2004-07-28 Eric Christopher <echristo@redhat.com>
[official-gcc.git] / gcc / ChangeLog
blob4bd3a7d1acc2f7449fb3096add13a41bdec616e5
1 2004-07-28  Eric Christopher  <echristo@redhat.com>
3         * c-common.c (c_common_unsafe_for_reeval): Delete.
4         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
5         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
6         * calls.c (fix_unsafe_tree): Delete.
7         (expand_call): Delete code which used above.
8         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
9         * expr.c (expand_expr_real_1): Ditto.
10         * fold-const.c (non_lvalue): Ditto.
11         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
12         (lhd_unsafe_for_reeval): Ditto.
13         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
14         * langhooks.h (unsafe_for_reeval): Ditto.
15         (unsave_expr_now): Adjust comment.
16         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
17         (estimate_num_insns_1): Ditto.
18         * tree-pretty-print.c (dump_generic_node): Ditto.
19         * tree.c (expr_align): Ditto.
20         (unsave_expr): Delete.
21         (unsafe_for_reeval): Ditto.
22         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
23         * tree.def (UNSAVE_EXPR): Delete.
24         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
26 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
28         * tree.h (enum tls_model): Move ...
29         * coretypes.h: ... here.
31 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
33         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
35 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
37         * cse.c (validate_canon_reg): New function, split out from...
38         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
40 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
42         * tree-ssa-alias.c (maybe_create_global_var): Don't just
43         return if .GLOBAL_VAR has been created.
45 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
47         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
48         every variable that may have aliases, not just tags.
50 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
52         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
53         move_from_CR_eq_bit.
54         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
57         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
58         e500_flip_eq_bit.
60         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
61         output_e500_flip_eq_bit.
63         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
64         output_e500_flip_eq_bit.
65         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
66         output_e500_flip_eq_bit.
67         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
68         (print_operand): case D.  Get to EQ bit.
70 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
72         * gcov.c (function_summary): Add missing \n.
74 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
76         Introduce sh4a support.
77         * config.gcc: Handle sh4a multilibs and cpu selection.
78         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
79         * config/sh/t-mlib-sh4a: New.
80         * config/sh/t-mlib-sh4al: New.
81         * config/sh/t-mlib-sh4a-nofpu: New.
82         * config/sh/t-mlib-sh4a-single: New.
83         * config/sh/t-mlib-sh4a-single-only: New.
84         2004-02-20  DJ Delorie  <dj@redhat.com>
85         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
86         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
87         2003-08-22  Eric Christopher  <echristo@redhat.com>
88         * config/sh/sh4a.md: Update for chip errata.
89         2003-08-07  Eric Christopher  <echristo@redhat.com>
90         * config/sh/sh4a.md: New file. sh4a processor description.
91         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
92         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
93         of -m4a-nofpu.
94         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
95         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
96         * doc/invoke.texi (SH Options): Document -m4al.
97         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
98         * config/sh/sh.c (expand_block_move): Remove commented-out code
99         checked in by mistake.
100         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
101         single elements from SFmode vectors.
102         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
103         register.
104         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
105         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
106         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
107         sh_fsca_int2sf): Remove variable declarations.
108         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
109         sh_fsca_int2sf): New functions.
110         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
111         sh_fsca_int2sf_rtx): New static variables.
112         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
113         sh_fsca_int2sf): Declare.
114         * config/sh/sh.md: Adjust.
115         * doc/invoke.texi (SH Options): Document new options.
116         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
117         compatibility from SH4 code.
118         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
119         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
120         early.
121         (memory_movsrc_operand): Renamed to...
122         (unaligned_load_operand): ... this.  Simplified.
123         * config/sh/sh.h (PREDICATE_CODES): Adjust.
124         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
125         input operand to SImode, and adjust the others.  Introduce
126         post-increment by peephole.
127         * config/sh/sh.c (expand_block_move): Give the target address the
128         same mode as the temp reg.
129         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
130         copying.
131         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
132         Introduce support for SH4a.
133         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
134         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
135         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
136         sh_fsca_int2sf): New.
137         (sh_init_builtins): Initialize them.
138         (print_operand): Support `d'.
139         (expand_block_move): Use movua if src is misaligned.
140         (memory_movsrc_operand): New.
141         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
142         and one of the SH4 macros.
143         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
144         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
145         SELECT_SH4A_SINGLE): New.
146         (TARGET_NONE): Add SH4A_BIT.
147         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
148         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
149         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
150         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
151         (enum processor_type): Added PROCESSOR_SH4A.
152         (PREDICATE_CODES): Add memory_movsrc_operand.
153         * config/sh/sh.md: Removed unused variables.
154         (attr cpu): Add sh4a.
155         (attr type): Add movua, fsrra and fsca.
156         (prefetch): New, for SH4.
157         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
158         (toggle_sz): Set type to fp.
159         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
160         (movua, extv, extzv): New.
161         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
162         and 4a-single-only.
164 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
166         * tree-optimize.c (init_tree_optimization_passes): Schedule
167         pass_may_alias right after the program is renamed into SSA.
168         * tree-pass.h (PROP_alias): Define.
169         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
170         * tree-sra.c (pass_sra): Likewise.
171         * tree-ssa-ccp.c (pass_ccp): Likewise.
172         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
173         * tree-ssa-dce.c (pass_dce): Likewise.
174         * tree-ssa-dom.c (pass_dominator): Likewise.
175         * tree-ssa-dse.c (pass_dse): Likewise.
176         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
177         * tree-ssa-loop-ch.c (pass_ch): Likewise.
178         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
179         * tree-ssa-pre.c (pass_pre): Likewise.
180         * tree-tailcall.c (pass_tail_recursion): Likewise.
181         * tree-ssa.c (pass_redundant_phi): Likewise.
182         * tree-ssa-alias.c (aliases_computed_p): Remove.
183         Update all users.
184         (init_alias_info): Do not mark all type tags for renaming
185         unconditionally.
186         Clear may_aliases from every symbol.
187         (setup_pointers_and_addressables): If a pointer has not been
188         dereferenced and it had a type tag, clear it and mark the old
189         tag for renaming.
191 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
193         PR tree-optimization/16705
194         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
195         .GLOBAL_VAR.
197 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
199         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
200         check.
202         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
203         don't make another one.
205         PR optimization/15077
206         * function.h (struct function): Add field saved_static_chain_decl.
207         Fix comment for static_chain_decl.
208         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
209         * tree-inline.h (save_body): Add new arg.
210         * tree-optimize.c (tree_rest_of_compilation): Handle saving
211         static_chain_decl.
213 2004-07-27  Richard Henderson  <rth@redhat.com>
215         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
216         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
217         is_gimple_addressable.
218         * tree-gimple.c (is_gimple_addressable): Rename from
219         is_gimple_addr_expr_arg; accept INDIRECT_REF.
220         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
221         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
222         rename to is_gimple_addressable.
224 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
226         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
228 2004-07-27  Richard Henderson  <rth@redhat.com>
230         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
231         before rounding.
233 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
235         * libgcc2.c: Change all conditionals testing
236         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
237         * libgcc2.h: Likewise.
238         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
239         TYPE_PRECISION of float80_type to 80.
240         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
241         of fpreg_type and float80_type to 80.
242         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
243         * config/m68k/netbsd-elf.h:
244         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
245         to evaluate to 80 whenever they would formerly have evaluated to 96.
246         * config/i386/sco5.h: Remove unnecessary redefinition of
247         LONG_DOUBLE_TYPE_SIZE.
248         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
249         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
250         XFmode, with a bitsize of 80.  Update commentary.
251         * config/ia64/ia64-modes.def: Likewise.
252         * config/m68k/m68k-modes.def: Likewise.
254 2004-07-27  Steven Bosscher  <stevenb@suse.de>
256         * cfgexpand.c (tree_expand_cfg): Fix comment.
258         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
259         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
260         Remove.
261         (prepare_function_start): Don't set rtx_equal_function_value_matters.
262         * integrate.c (copy_rtx_and_substitute): Don't test for it.
263         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
264         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
265         here again.  Update leading comment.
266         * rtl.c (rtx_equal_function_value_matters): Remove.
267         (rtx_equal_p): Don't test for it.
268         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
269         Likewise.
271         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
272         * rtl.c (note_insn_name): Likewise.
273         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
274         * final.c (final_scan_insn): Likewise.
276         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
277         * passes.c (rest_of_handle_eh): Do it here.
279         * stmt.c (struct nesting): Remove struct nesting block member.
280         (struct stmt_status): Remove x_block_start_count field.
281         (current_block_start_count): Remove.
283 2004-07-27  Brian Booth  <bbooth@redhat.com>
285         * tree-optimize.c (register_one_dump_file): Update condition that uses
286         static_pass_number.
287         (dup_pass_1): Replace with...
288         (next_pass_1): This.
289         (NEXT_PASS): Call next_pass_1.
290         (DUP_PASS): Remove.
291         (init_tree_optimization_passes): Remove uses of DUP_PASS.
292         (execute_one_pass): Update condition that uses
293         static_pass_number.
294         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
295         integer.
297 2004-07-27  Nick Clifton  <nickc@redhat.com>
299         * config/m32r/m32r.c: Include integrate.h in order to get the
300         prototype for get_hard_reg_initial_val().
302         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
303         and tidy up indentation.
304         (final_presence_set): Use absence_set instead, so that if there is
305         nothing in the "o" pipe the "s" pipe can be scheduled.
307 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
309         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
310         don't have PT_VARS nor PT_MALLOC set.
311         Clear name tag from pointers that have not been dereferenced.
312         (set_pt_anything, set_pt_malloc): Forward declare.
313         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
314         not type compatibility when determining if a pointer can be
315         copy propagated.
317 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
319         * expr.h (canonicalize_condition, get_condition): Add an int argument.
320         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
321         it to check whether the condition is still valid at the jump insn.
322         * ifcvt.c (noce_get_condition): Likewise.
323         (noce_get_alt_condition): Update call to canonicalize_condition.
324         * loop-iv.c (simplify_using_initial_values): Update call to
325         get_condition.  Remove FIXME.
326         (check_simple_exit): Update call to get_condition.
327         * loop-unswitch.c (may_unswitch_on): Likewise.
328         * loop.c (check_dbra_loop): Likewise.
329         (canonicalize_condition, get_condition): Add an argument to say whether
330         the condition must still be valid at INSN.
331         (get_condition_for_loop): Update call to get_condition.  Require that
332         the condition be valid at INSN.
333         * predict.c (estimate_probability): Update call to get_condition.
334         Remove unused earliest parameter.
335         (expected_value_to_br_prob): Update call to canonicalize_condition.
337 2004-07-26  Eric Christopher  <echristo@redhat.com>
339         * tree-dfa.c (add_referenced_var): Register initializers of global
340         variables.
342 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
344         * config/i386/i386.c (function_arg): Always treat 8-
345         and 16-byte wide vectors the same, even if MMX/SSE
346         are disabled.
347         (contains_128bit_aligned_vector_p): Add comment.
349 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
351         * ra.h (enum node_type): Rename to:
352         (enum ra_node_type).
353         * ra-colorize.c: Likewise.
355 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
357         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
358         after simplifying the jump.
360 2004-06-26  Richard Henderson  <rth@redhat.com>
362         * calls.c (combine_pending_stack_adjustment_and_call): Make
363         preferred_unit_stack_boundary argument unsigned.  Make
364         unadjusted_alignment unsigned.
365         (expand_call): Make preferred_stack_boundary and
366         preferred_unit_stack_boundary variables unsigned.
367         * function.c (assign_stack_local_1): Make alignment unsigned.
368         * function.h (struct function): Make stack_alignment_needed,
369         preferred_stack_boundary unsigned.
370         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
371         (ix86_compute_frame_layout): Make stack_alignment_needed,
372         preferred_alignment variables unsigned.
373         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
375 2004-07-26  Tom Tromey  <tromey@redhat.com>
377         * tree.h: Fix typo in comment.
379 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
381         PR bootstrap/12804
382         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
383         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
384         (ggc_free): Remove incorrect freeing.
385         (sweep_pages): Advance PP for large pages.  Fix indentation.
387 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
389         PR rtl-optimization/16643
390         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
391         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
392         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
393         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
394         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
395         * function.c (thread_prologue_and_epilogue_insns): Likewise.
396         * rtl.h (tracer): Add a flags parameter.
397         * tracer.c (tracer): Pass it to cfg_layout_initialise.
398         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
399         (rest_of_handle_reorder_blocks): Update calls to tracer and
400         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
401         (rest_of_handle_tracer): Pass 0 to tracer.
402         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
404 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
406         PR target/16239
407         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
408         f->f.
410 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
412         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
413         (BINFO_BASE_ACCESS): Adjust.
414         (BINFO_BASE_ACCESS_APPEND): New.
415         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
416         * dbxout.c (dbxout_type): Adjust binfo access accessing.
417         * dwarf2out.c (gen_member_die): Likewise.
418         * tree-dump.c (deque_and_dump): Likewise.
420 2004-07-26  Falk Hueffner  <falk@debian.org>
422         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
423         costs.
425 2004-07-25  Roger Sayle  <roger@eyesopen.com>
427         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
428         value off of the stack if TARGET_USE_FFREEP.
430 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
432         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
433         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
434         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
435         check on invocation of XRESIZEVEC ().
437 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
439         * c-common.c (disable_builtin_function): Rename variable n to
440         new_disabled_builtin.
441         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
442         Rename local variable old to old_decl.
443         * gensupport.c (shift_output_template): Rename parameter old to src.
444         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
445         old_rtx and newx to new_rtx.
447 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
449         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
450         of c-pragma.h.
451         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
452         enum cpp_ttype.
453         * c-lex.c: Likewise.
455 2004-07-25  Roger Sayle  <roger@eyesopen.com>
457         * fold-const.c (constant_boolean_node): Make extern.
458         (make_range): Wrap long lines.
459         (fold_cond_expr_with_comparison): Remove unnecessary call to
460         pedantic_non_lvalue.  Add missing calls to fold_convert.
461         (fold_truthop): Add missing calls to fold_convert.
462         (fold): Likewise.
463         * tree.h (constant_boolean_node): Add prototype here.
464         * builtins.c (expand_builtin_strncmp): Add missing calls to
465         fold_convert.
466         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
467         Call fold_convert and constant_boolean_node to correct types.
468         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
469         missing call to fold_convert to correct types.
471 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
472             Brian Ryner  <bryner@brianryner.com>
474         PR c++/9283
475         PR c++/15000
476         * c-common.c (c_common_attribute_table): Allow
477         handle_visibility_attribute to be called for types.
478         (handle_visibility_attribute) When given a type, set the visibility
479         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
480         so that we can check later whether the attribute was present. Added
481         warning if attribute applied to non class type.
482         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
483         decls and checking that they are consistent.
484         * common.opt: Added -fvisibility.
485         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
486         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
487         * flags.h, tree.h: Added assorted support defines for overall patch
488         * opts.c: Added parsing support for -fvisibility.
489         * tree.c (build_decl): Set visibility for all decls to be whatever
490         is in force at that time.
491         * varasm.c (default_binds_local_p_1): Reworked logic determining
492         when to make a symbol locally bound.
493         * doc/invoke.texi: Added documentation for -fvisibility and
494         -fvisibility-inlines-hidden.
496 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
498         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
499         * c-common.c: Add missing casts from void * to other types.
500         * c-decl.c: Likewise.
501         * c-format.c: Likewise.
502         * c-lex.c: Likewise.
503         * c-pragma.c: Likewise.
504         * c-typeck.c: Likewise.
505         * defaults.h: Likewise.
506         * genconstants.c: Likewise.
507         * gengtype-lex.l: Likewise.
508         * genmodes.c: Likewise.
509         * read-rtl.c: Likewise.
510         * rtl.c: Likewise.
512 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
514         * bitmap.c: Use type-safe memory allocation macros from libiberty.
515         * c-common.c: Likewise.
516         * c-decl.c: Likewise.
517         * c-lang.c: Likewise.
518         * c-lex.c: Likewise.
519         * c-opts.c: Likewise.
520         * c-parse.in: Likewise.
521         * c-typeck.c: Likewise.
522         * genconditions.c: Likewise.
523         * gengtype-lex.l: Likewise.
524         * gengtype-yacc.y: Likewise.
525         * gengtype.c: Likewise.
526         * genmodes.c: Likewise.
527         * gensupport.c: Likewise.
528         * read-rtl.c: Likewise.
529         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
530         htab_find_slot().
532 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
534         * c-decl.c (groktypename, groktypename_in_param_context): Rename
535         variable typename to type_name.
536         * c-lex.c (interpret_float): Likewise.
538 2004-07-25  Roger Sayle  <roger@eyesopen.com>
540         * convert.c (convert_to_real, convert_to_integer,
541         convert_to_complex): Replace calls to build with calls to buildN.
542         * coverage.c (tree_coverage_counter_ref): Likewise.
543         * dojump.c (do_jump): Likewise.
544         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
545         * emit-rtl.c (component_ref_for_mem_expr,
546         set_mem_attributes_minus_bitpos): Likewise.
547         * explow.c (update_nonlocal_goto_save_area): Likewise.
548         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
549         expand_mult_add): Likewise.
550         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
551         store_constructor, get_inner_reference, expand_expr_real_1,
552         try_casesi, try_tablejump): Likewise.
553         * function.c (expand_function_start): Likewise.
554         * stmt.c (emit_case_bit_tests, expand_end_case_type,
555         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
556         * stor-layout.c (place_union_field, layout_type): Likewise.
557         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
558         * varasm.c (copy_constant): Likewise.
560 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
562         * c-common.c: Rename all identifiers named `new'.
563         * c-decl.c: Likewise.
564         * gensupport.c: Likewise.
565         * simplify-rtx.c: Likewise.
566         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
567         with XNEW().
568         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
569         with XNEWVEC().
571 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
573         PR c/15360
574         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
575         declarations until after calling pushdecl.
576         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
577         "extern" and not on whether the declaration is initialized.
579 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
581         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
582         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
583         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
584         "cpplib.h", "c-pragma.h", "c-common.h".
585         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
586         (solaris_register_pragmas): New functions.
587         * config/sol2-protos.h: New file.
588         * config/sol2.c: New file.
589         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
590         (REGISTER_TARGET_PRAGMAS): New macros.
591         (solaris_pending_aligns, solaris_pending_inits)
592         (solaris_pending_finis): New variables.
593         * config/t-sol2 (sol2-c.o): Update dependencies.
594         (sol2.o): New rule.
595         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
596         SUBTARGET_INSERT_ATTRIBUTES.
597         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
598         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
599         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
600         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
601         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
602         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
603         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
604         * config/sparc/sparc.c (sparc_attribute_table): New.
605         (TARGET_INSERT_ATTRIBUTES): Define in terms of
606         SUBTARGET_INSERT_ATTRIBUTES.
607         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
608         is defined.
609         * doc/extend.texi (Solaris Pragmas): New section.
611 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
613         * c-common.c: Rename all identifiers named `class' to `cl'.
614         * c-common.h: Likewise.
615         * c-parse.in: Likewise.
616         * c-typeck.c: Likewise.
617         * genmodes.c: Likewise.
618         * real.c: Likewise.
619         * real.h: Likewise.
620         * recog.c: Likewise.
621         * recog.h: Likewise.
622         * regrename.c: Likewise.
623         * tree.h: Likewise.
624         * c-common.c (builtin_function_2): Change type of 5th parameter from
625         int to enum built_in_function. Change type of 8th parameter from int
626         to bool.
627         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
628         with GGC_CNEW().
629         * c-typeck.c (convert_arguments): Change type of formal_prec from
630         int to unsigned int.
631         * genmodes.c (blank_mode): Make a few negative constants unsigned.
632         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
633         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
634         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
635         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
636         iterator to for_all_modes () instead of an enum because enums can't
637         be incremented in C++.
640 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
642         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
643         hard registers.
645 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
647         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
648         Handle ARRAY_RANGE_REF like ARRAY_REF.
650 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
652         * c-typeck.c (digest_init): Don't allow arrays of signed or
653         unsigned variants of wchar_t to be initialized by wide string
654         constants.  Do allow arrays of enumerated types compatible with
655         wchar_t to be initialized by wide string constants.  Refine tests
656         distinguishing wide and narrow strings and arrays.  Give specific
657         error for arrays of other integer types initialized by string
658         constants.
659         (output_init_element, process_init_element): Check for
660         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
661         initializing with string constants.
663 2004-07-25  Richard Henderson  <rth@redhat.com>
665         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
666         on the RESULT_DECL.
667         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
668         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
669         DECL_IGNORED_P to new decl.
671 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
673         * config/ia64/ia64.c (general_xfmode_operand)
674         (destination_xfmode_operand): Delete.
675         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
676         * config/ia64/ia64.md (*movxf_internal): Use general_operand
677         and destination_operand.
679 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
681         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
682         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
684 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
685             Zack Weinberg  <zack@codesourcery.com
687         PR 16684
688         * c-decl.c (diagnose_mismatched_decls): Don't issue a
689         redundant-declaration warning the first time a builtin is
690         declared explicitly.
692 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
694         * tree.h (staticp): Change return type to bool.
696 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
698         * c-common.c (c_staticp): Last episode of the staticp saga.
700 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
702         * c-common.h (c_staticp): Change return type from int to bool.
703         * tree.c (staticp): Likewise.
704         * langhooks.h (staticp): Likewise.
706 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
708         * langhooks-def.h (lhd_staticp): Change return type from int to
709         bool in prototype to match definition.
711 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
713         * system.h (bool, true, false): Don't redefine as preprocessor macros
714         in C++.
716 2004-07-24  Roger Sayle  <roger@eyesopen.com>
718         * expmed.c (init_expmed): A signed modulus by a power of two is
719         considered cheap if its less than or equal to four instructions.
721 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
723         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
724         GGC_CNEWVAR): New macros.
726 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
728         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
729         lists.
730         * c-decl.c: Likewise.
731         * c-format.c: Likewise.
732         * c-lex.c: Likewise.
733         * c-opts.c: Likewise.
734         * c-pragma.c: Likewise.
735         * c-typeck.c: Likewise.
736         * gencheck.c: Likewise.
737         * genconditions.c: Likewise.
738         * genconfig.c: Likewise.
739         * genflags.c: Likewise.
740         * gengtype.c: Likewise.
741         * gensupport.c: Likewise.
742         * ggc-none.c: Likewise.
743         * langhooks.c: Likewise.
744         * statistics.h: Likewise.
745         * stub-objc.c: Likewise.
746         * java/decl.c: Likewise.
748 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
750         * config/m68k/m68k.c (output_scc_di): Fix coding style.
751         (symbolic_operand): Fix prototype.
752         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
753         * config/m68k/m68k.md: Add constants for registers a0 and sp and
754         use them, change from the "{...}" syntax to the simpler {...}
755         syntax.
756         (*cfv4_extendqisi2): Fix destination predicate.
757         * config/m68k/m68k-protos.h: Remove various declarations also
758         generated via PREDICATE_CODES.
760 2004-07-23  Mike Stump  <mrs@apple.com>
762         * c-typeck.c (convert_for_assignment): Tightened up pointer
763         converstions that differ in signedness.
765 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
767         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
769 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
771         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
772         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
774         * gimplify.c (gimplify_compound_lval): Check for no handled
775         operations, rather than checking for explicit list of nodes.
776         (is_gimple_addr_expr_arg_or_indirect): New function.
777         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
778         redundant setting of TREE_INVARIANT.
779         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
780         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
782 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
784         PR tree-optimization/16688
785         PR tree-optimization/16689
786         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
787         unnecessary initialization of 'tag'.
788         (get_tmt_for): Check that the new type tag has the same alias
789         set as the pointed-to type.
790         (group_aliases): Only regular variables need to be removed
791         from the alias set of a name tag.
792         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
793         propagation if the two types are not compatible.
794         (merge_alias_info): Rename from replace_ssa_names_ann.
795         Add more checking.
796         (replace_exp_1): If both arguments are SSA_NAMEs, check that
797         the propagation can be done.
798         Only call merge_alias_info on pointers.
799         (propagate_value): Likewise.
800         * tree-ssa-copyrename.c: Include langhooks.h.
801         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
802         to do the merging.
803         Do not coalesce variables with incompatible types.
804         (rename_ssa_copies): Call replace_ssa_name_symbol.
805         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
806         the same type as the underlying _DECL.
807         * tree-ssanames.c (replace_ssa_name_symbol): New function.
808         * tree.h (replace_ssa_name_symbol): Declare.
810 2004-07-23  Richard Henderson  <rth@redhat.com>
812         PR c++/16277
813         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
814         unshare it properly.
815         (gimplify_modify_expr_rhs): Push assignment from a conditional into
816         the conditional for all non-register types.
818 2004-07-23  Richard Henderson  <rth@redhat.com>
820         * expr.c (expand_expr_real_1): Don't handle non-local variables.
821         * expr.h (fix_lexical_addr): Remove.
822         * function.c (NEED_SEPARATE_AP): Remove.
823         (fix_lexical_addr): Remove.
824         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
825         not null decl_function_context.
826         (create_alias_vars): Likewise.
827         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
828         (simple_goto_p): Likewise.
829         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
830         * tree-ssa-ccp.c (get_default_value): Likewise.
831         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
832         * tree.c (needs_to_live_in_memory): Likewise.
833         * tree-flow-inline.h (may_be_aliased): Move...
834         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
835         when TREE_STATIC variables may be addressable.
837 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
839         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
841 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
843         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
844         bitmap contents if GENERATOR_FILE is defined.
845         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
846         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
848 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
850         * c-decl.c (start_function): Form composite type of function types
851         rather than copying type from previous prototype declaration.
853 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
855         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
856         the const qualifier for the second argument in the C++ functions.
858         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
859         specific pointer types.
861         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
862         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
863         for vector bool and/or vector pixel, add C++ and C missing support.
864         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
865         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
866         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
867         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
868         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
869         missing C++ and C support for vector bool and/or vector pixel.
870         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
871         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
872         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
873         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
874         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
875         C++ and C types used for vector bool and/or vector pixel.
876         (vec_st, vec_stl): Add C++ support for vector pixel.
877         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
878         (vec_all_ne): Add C++ support for vector pixel.
880         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
881         (vec_vmulesb): Add missing C++ function.
882         (vec_perm): Fix type of third argument in C++ function.
883         (vec_vsum4shs): Fix C++ function name.
884         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
885         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
886         argument passed to the error handler in C macro.
887         (vec_nmsub): Remove extra parens around argument names in C macro.
888         (vec_packpx): Add missing parens in C macro.
890 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
892         * machmode.def: Remove vector modes.
893         * config/alpha/alpha-modes.def: Add supported vector modes.
894         * config/arm/arm-modes.def: Likewise.
895         * config/frv/frv-modes.def: Likewise.
896         * config/i386/i386-modes.def: Likewise.
897         * config/rs6000/rs6000-modes.def: Likewise.
898         * config/sh/sh-modes.def: Likewise.
900 2004-07-23  Matthias Klose  <doko@debian.org>
902         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
903         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
904         * config.h: Regenerate.
905         * configure: Likewise.
907 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
909         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
910         generated SYMBOL_REFs for labels.
911         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
912         Change prototype.
913         (machopic_stub_name): Remove.
914         (machopic_indirection_name): New function.
915         (machopic_mcount_stub_name): Likewise.
916         (machopic_classify_name): Remove.
917         (machopic_function_base_sym): New function.
918         (machpoic_classify_symbol): Likewise.
919         (machopic_classify_ident): Remove.
920         (machopic_define_ident): Likewise.
921         (machopic_define_name): Likewise.
922         (machopic_name_defined_p): Likewise.
923         (machopic_ident_defined_p): Likewise.
924         (darwin_strip_name_encoding): Likewise.
925         (machopic_define_symbol): New function.
926         * config/darwin.c (hashtab.h): Include.
927         (machopic_defined_list): Remove.
928         (machopic_classify_ident): Likewise.
929         (machopic_classify_name): Likewise.
930         (machopic_ident_defined_p): Likewise.
931         (machopic_define_ident): Likewise.
932         (machopic_define_name): Likewise.
933         (machopic_symbol_defined_p): New function.
934         (machopic_classify_symbol): Likewise.
935         (machopic_data_defined_p): Use machopic_classify_symbol.
936         (machopic_define_symbol): New function.
937         (machopic_function_base_sym): New function.
938         (machopic_non_lazy_pointers): Remove.
939         (machopic_non_lazy_ptr_name): Likewise.
940         (machopic_stubs): Likewise.
941         (machopic_stub_name): Likewise.
942         (NON_LAZY_POINTER_SUFFIX): New macro.
943         (STUB_SUFFIX): Likewise.
944         (machopic_indirection): New structure.
945         (machopic_indirections): New variable.
946         (machopic_indirection_hash): New function.
947         (machopic_indirection_eq): Likewise.
948         (machopic_indirection_name): Likewise.
949         (machopic_mcount_stub_name): New function.
950         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
951         hash table.
952         (machopic_indirect_data_reference): Rework to use new functions.
953         (machopic_indirect_call_target): Likewise.
954         (machopic_legitimize_pic_address): Likewise.
955         (machopic_output_indirection): New function.
956         (machopic_finish): Use it.
957         (machopic_operand_p): Rework to use new functions.
958         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
959         (darwin_strip_name_encoding): Remove.
960         (update_non_lazy_ptrs): Remove.
961         (update_stubs): Likewise.
962         (darwin_non_lazy_pcrel): Use new functions.
963         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
964         (ASM_OUTPUT_LABELREF): Likewise.
965         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
966         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
967         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
968         (TARGET_STRIP_NAME_ENCODING): Do not use
969         darwin_strip_name_encoding.
970         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
971         darwin_strip_name_encoding.
972         * config/i386/darwin.h (FUNCTION_PROFILER): Use
973         machopic_mcount_stub_name.
974         * config/i386/i386.c (x86_output_mi_thunk): Use
975         machopic_indirection_name, not machopic_stub_name.
976         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
977         machopic_function_base_sym.
978         (print_operand): Use machopic_classify_symbol.
979         (rs6000_emit_prologue): Use machopic_function_base_sym.
980         (output_profile_hook): Do not use machopic_stub_name.
981         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
983 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
985         PR c/7284
986         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
987         as multiplication.
989 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
991         * doc/implement-c.texi: New file.
992         * doc/extend.texi (C Implementation): Move to there.
993         * doc/gcc.texi: Include implement-c.texi.
994         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
996 2004-07-22  Jason Merrill  <jason@redhat.com>
998         * integrate.c (copy_decl_for_inlining): Remove invisible reference
999         handling.
1000         * tree-inline.c (setup_one_parameter): Likewise.
1002 2004-07-22  Brian Booth  <bbooth@redhat.com>
1004         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
1005         (substitute_and_fold): Propigate into VUSE operands when possible.
1006         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
1007         (cp_lattice_meet): Handle merging of latticevalues when
1008         UNKNOWN_VAL is present.
1009         (visit_stmt): Visit assignments with V_MUST_DEFs.
1010         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
1011         (ccp_fold): Deal with RHS' that are constant and virtual.
1012         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
1013         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
1014         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
1015         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
1016         computing immediate uses.
1017         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
1018         transition.
1019         (replace_vuse_in): New function.
1020         (likely_value): Add check of vuse operands.
1021         (get_default_value): Set the default value of virtually defined
1022         variables to UKNOWN_VAL instead of VARYING.
1024 2004-07-22  Richard Henderson  <rth@redhat.com>
1026         * expr.c (emit_push_insn): Don't use set_mem_attributes.
1028 2004-07-22  Richard Henderson  <rth@redhat.com>
1030         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
1031         variables due to conditional compilation.
1033 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
1035         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
1036         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
1037         Release SSA names that have been re-renamed.
1038         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
1039         variable.
1040         * tree-ssa-alias.c (init_alias_info): If aliases have been
1041         computed before, clear existing alias information.
1042         (create_name_tags): Do no fixup PT_ANYTHING pointers.
1043         If the new name tag for a pointer is different than the one it
1044         had before, mark the old tag for renaming.
1045         (replace_may_alias): New function.
1046         (group_aliases): Call it.
1047         (setup_pointers_and_addressables): Always call get_tmt_for.
1048         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
1049         once.
1050         (set_pt_anything): New local function.
1051         (set_pt_malloc): New local function.
1052         (merge_pointed_to_info): Don't merge pointed-to variables from
1053         the original pointer if the destination is pointing to an
1054         unknown location.
1055         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
1056         (add_pointed_to_var): Do not add a variable to the points-to
1057         set if the pointer is already pointing to anywhere.
1058         (collect_points_to_info_r): If the defining statement is a PHI
1059         node, only merge pointed-to information if the argument has
1060         already been visited.
1061         (get_tmt_for): Only create a new tag if the pointer didn't
1062         have one already.
1063         (dump_alias_info): Emit more information.
1064         (dump_points_to_info_for): Likewise.
1065         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
1066         try to get the annotation of an SSA_NAME.
1067         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
1068         alias sets when checking is enabled.
1069         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
1070         (eliminate): Mark basic blocks that will need
1071         EH information cleaned up.
1072         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
1073         predecessor.
1074         Initialize need_eh_cleanup.
1075         (fini_pre): Call tree_purge_all_dead_eh_edges and
1076         cleanup_tree_cfg if needed.
1077         Free need_eh_cleanup.
1078         * tree-ssa.c (verify_ssa_name): New function.
1079         (verify_def): Call it.
1080         Re-arrange to avoid printing too many error messages.
1081         (verify_use): Likewise.
1082         (verify_phi_args): Likewise.
1083         (verify_flow_insensitive_alias_info): New function.
1084         (verify_flow_sensitive_alias_info): New function.
1085         (verify_alias_info): New function.
1086         (verify_ssa): Call verify_alias_info.
1087         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
1088         program.
1089         Re-arrange to avoid printing too many error messages.
1090         * tree-ssanames.c (make_ssa_name): Clear
1091         SSA_NAME_IN_FREE_LIST.
1092         (release_ssa_name): Never release a default definition.
1093         (release_defs): New function.
1094         * tree.h: Declare it.
1095         * tree-ssa-dce.c (remove_dead_stmt): Call it.
1097 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
1099         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
1100         If true, do a depth-first search.  Do a breadht-first search,
1101         otherwise.
1102         (walk_use_def_chains): Add new argument IS_DFS.
1103         Update all users.
1104         * tree-flow.h (walk_use_def_chains): Update prototype.
1106 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
1108         * config/cris/cris.md: Tweak formatting.
1109         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
1110         (mover2side, moverside, movemside, movei, op3, andu): Replace
1111         live define_peephole:s with define_peephole2 near-equivalents.
1112         Delete the rest.
1113         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
1114         word-size modes.
1115         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
1116         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
1117         "*mov_sidesi_mem" respectively.
1119 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
1121         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
1122         (gimplify_build1): Move from tree-complex.c do_unop.
1123         (gimplify_build2): Move from tree-complex.c do_binop.
1124         (gimplify_build3): New.
1125         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
1126         Adjust throughout to call the functions above.
1127         * tree-flow.h: Declare the functions above.
1128         * tree-nested.c (gimplify_val): Rename to...
1129         (tsi_gimplify_val): ... this.
1131         * Makefile.in (tree_complex.o): Update dependencies.
1132         (stor-layout.o): Depend on regs.h.
1133         * c-common.c (handle_vector_size_attribute): Update for
1134         vector types without corresponding vector modes.
1135         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
1136         a corresponding vector mode is not available.
1137         * print-tree.c (print_node): Print nunits for vector types
1138         * regclass.c (have_regs_of_mode): New.
1139         (init_reg_sets_1): Initialize it and use it instead
1140         of allocatable_regs_of_mode.
1141         * regs.h (have_regs_of_mode): Declare it.
1142         * stor-layout.c (layout_type): Pick a mode for vector types.
1143         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
1144         build_replicated_const, do_unop, do_binop, do_plus_minus,
1145         do_negate, expand_vector_piecewise, expand_vector_parallel,
1146         expand_vector_addition, expand_vector_operations_1,
1147         expand_vector_operations, tree_lower_operations,
1148         pass_lower_vector_ssa, pass_pre_expand): New.
1149         (expand_complex_operations, pass_lower_complex): Remove.
1150         * tree-optimize.c (init_tree_optimization_passes): Adjust
1151         pass ordering for changes in tree-complex.c.
1152         * tree-pass.h: Declare new passes.
1153         * tree.c (finish_vector_type): Remove.
1154         (make_vector_type): New.
1155         (build_vector_type_for_mode, build_vector_type): Rewritten.
1156         * tree.def (VECTOR_TYPE): Document where the number of
1157         subparts is stored.
1158         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
1159         (make_vector): Remove declaration.
1161 2004-07-21  Richard Henderson  <rth@redhat.com>
1163         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
1164         TREE_THIS_VOLATILE, may_aliases, or optimization level.
1165         (remove_useless_vars): Dump debugging info.
1166         (expand_used_vars): Move ...
1167         * cfgexpand.c (expand_used_vars): ... here.  Make static.
1168         * tree-flow-inline.h (set_is_used): New.
1169         (set_default_def): Use get_var_ann.
1170         * tree-flow.h: Update decls.
1171         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
1172         (create_ssa_var_map): Use it.
1173         * tree-ssa.c (set_is_used): Remove.
1175 2004-07-22  Ben Elliston  <bje@au.ibm.com>
1177         * gdbinit.in: Set a breakpoint on internal_error.
1179 2004-07-21  Richard Henderson  <rth@redhat.com>
1181         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
1182         to create a new basic block.
1184 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1186         PR c/15052
1187         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
1188         return type on function definitions.  Move other warnings for
1189         qualified return type to -Wreturn-type.  Do not condition any such
1190         warnings on -pedantic.  Update comments.
1191         (start_function): Only copy function type from previous prototype
1192         declaration if return types are compatible.
1193         * c-typeck.c (function_types_compatible_p): Don't condition
1194         warning for incompatibility of volatile qualifiers on the return
1195         type on -pedantic.  Update comment.
1196         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
1198 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1200         * c-typeck.c (set_init_index): Require designator to be of integer
1201         type.
1203 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1205         PR c/11250
1206         * c-parse.in (init): Change to exprtype.
1207         (primary): Set original_code for STRING to STRING_CST.
1208         Call maybe_warn_string_init for compound literals.
1209         (initdcl, notype_initdcl): Call maybe_warn_string_init.
1210         (initval): Update.
1211         * c-tree.h (maybe_warn_string_init): New.
1212         (pop_init_level, process_init_element): Use struct c_expr.
1213         (struct c_expr): Update comment.
1214         * c-typeck.c (maybe_warn_string_init): New function.
1215         (digest_init): Call it.  Additional parameter strict_string.  All
1216         callers changed.
1217         (output_init_element): Likewise.
1218         (struct constructor_stack): Use struct c_expr for
1219         replacement_value.
1220         (really_start_incremental_init, push_init_level): Update.
1221         (pop_init_level): Update.  Return struct c_expr.
1222         (process_init_level): Update.  Take struct c_expr argument.
1224 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
1226         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
1227         commit.
1229 2004-07-21  Eric Christopher  <echristo@redhat.com>
1231         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
1232         removal.
1233         * c-decl.c (pop_scope): Ditto.
1234         * calls.c (expand_call): Remove call to current_nesting_level,
1235         update comment accordingly. Remove calls to expand_start_target_temps
1236         and expand_end_target_temps.
1237         * cfgexpand.c (construct_init_block): Remove call to
1238         expand_start_bindings_and_block.
1239         (construct_exit_block): Remove call to expand_end_bindings.
1240         * expr.c (safe_from_p): Remove BIND_EXPR handling.
1241         (expand_expr_real_1): Ditto. Fix formatting.
1242         (expand_vars): Delete.
1243         * stmt.c (POPSTACK): Remove block_stack.
1244         (stmt_status): Remove x_block_stack.
1245         (block_stack): Delete.
1246         (expand_start_bindings_and_block): Ditto.
1247         (expand_start_target_temps): Ditto.
1248         (expand_end_target_temps): Ditto.
1249         (current_nesting_level): Ditto.
1250         (warn_about_unused_variables): Ditto.
1251         (expand_end_bindings): Ditto.
1252         * tree.h: Remove declarations for above.
1254 2004-07-21  Steven Bosscher  <stevenb@suse.de>
1256         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
1257         * rtl.c (note_insn_name): Likewise.
1258         * print-rtl.c (print_rtx): Don't print it.
1259         * cfgrtl.h (can_delete_note_p): Don't handle it.
1260         (rtl_delete_block): Likewise.
1261         * passes.c (rest_of_handle_guess_branch_prob): Remove.
1262         (rest_of_compilation): Don't call it.
1263         * predict.c (process_note_predictions, process_note_prediction,
1264         note_prediction_to_br_prob): Remove.
1265         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
1266         * stmt.c (return_prediction): Remove.
1267         (expand_value_return): Don't call it.  Don't add prediction
1268         notes for return statements.
1270 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
1272         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
1273         once.
1275 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
1277         * c-common.c (vector_types_convertible_p): Use vector types'
1278         TYPE_SIZE and TREE_TYPE instead of their mode.
1279         * convert.c (convert_to_integer): Likewise.
1280         (convert_to_vector): Likewise.
1281         * fold-const.c (fold_convert): Likewise.
1282         * varasm.c (output_constant): Likewise.
1283         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
1284         Allow a VECTOR_TYPE initializer to be made of several vectors.
1285         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
1286         of cleared and need_to_clear, and use fold_convert.
1287         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
1288         integer vectors.
1290 2004-07-20  Richard Henderson  <rth@redhat.com>
1292         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
1293         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
1295 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
1297         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
1298         enormous cost if not TARGET_HARD_MUL.
1300 2004-07-20  Andrew Pinski  <apinski@apple.com>
1302         PR target/16557
1303         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
1304         (ASM_SPEC): here.
1306 2004-07-21  Paul brook  <paul@codesourcery.com>
1308         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
1310 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1312         * fold-const.c (operand_equal_p): Temporarily support NULL args.
1313         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
1314         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
1316 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
1318         * rtl.h (plus_constant): Delete.
1319         (plus_constant_wide): Rename to plus_constant.
1320         (plus_constant_for_output_wide): Delete vestigial prototype.
1321         (GEN_INT): Remove unnecessary cast.
1322         * tree.h (build_int_2, size_int_type): Delete.
1323         (build_int_2_wide): Rename to build_int_2.
1324         (size_int_wide): Rename to size_int_kind.
1325         (size_int_type_wide): Rename to size_int_type.
1326         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
1327         Remove unnecessary cast.
1328         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
1329         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
1330         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
1331         (size_int_type_wide): Rename size_int_type.
1332         (int_const_binop): Use size_int_type.
1333         * c-lex.c (interpret_integer): Use build_int_2.
1334         * final.c (split_double): Remove unnecessary casts.
1335         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
1337 2004-07-20  Richard Henderson  <rth@redhat.com>
1339         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
1340         (gimplify_compound_lval): Use is_gimple_tmp_reg.
1341         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
1342         (is_gimple_tmp_reg): New.
1343         * tree-gimple.h (is_gimple_tmp_reg): Declare.
1345 2004-07-20  Richard Henderson  <rth@redhat.com>
1347         * tree-pretty-print.c (dump_generic_node): Dump
1348         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
1350 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
1352         * tree-mudflap.c (mf_set_options_fndecl): New tree.
1353         (mudflap_init): Set it.
1354         (mudflap_register_call): Remove __mf_init call.
1355         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
1356         to pass "-ignore-reads" option to libmudflap if needed.
1358 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
1360         PR c++/14607
1361         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
1362         (MAKE_DECL_ONE_ONLY): Undefine.
1363         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
1364         readonly_data, one_only_data_section, forget_section): New prototypes.
1365         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
1366         functions.
1367         (pa_select_section): Add one-only (COMDAT) support.
1368         * pa.h (struct machine_function): Define.
1369         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
1370         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
1371         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
1372         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
1373         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
1374         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
1375         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
1376         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
1377         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
1378         for EXTRA_SECTION_FUNCTIONS.
1379         * doc/install.texi: Update binutils requirements.
1381 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
1383         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
1384         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
1385         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
1386         size_t.
1387         (struct VEC): Use unsigned for num and alloc.
1388         * vec.c (struct vec_prefix): Likewise.
1389         (vec_o_reserve): Adjust.
1391         * dbxout.c (dbxout_type): Fix printf format.
1393         * tree.h (binfo_member): Remove.
1394         * tree.c (binfo_member): Remove.
1396 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
1398         * tree.h: Include vec.h
1399         (DEF_VEC_P(tree)): New type.
1400         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
1401         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
1402         (BINFO_LANG_SLOT): Remove.
1403         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
1404         (struct tree_binfo): Turn base_binfos into a trailing
1405         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
1406         (binfo_lang_slots): Remove.
1407         * tree.c (binfo_lang_slots): Remove.
1408         (make_tree_binfo_stat): Take a base binfo count, not a
1409         lang slot count.  Adjust.
1410         * Makefile.in (TREE_H): Add vec.h
1411         * alias.c (record_component_aliases): Adjust BINFO access.
1412         * dbxout.c (dbxout_type): Likewise.
1413         * dwarf2out.c (gen_member_die): Likewise.
1414         * sdbout.c (sdbout_one_type): Likewise.
1415         * tree-dump.c (deque_and_dump): Likewise.
1416         * config/i386/i386.c (classify_argument,
1417         contains_128bit_aligned_vector_p): Likewise.
1418         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
1419         * doc/c-tree.texi (Classes): Update BINFO documentation.
1421 2004-07-20  Steven Bosscher  <stevenb@suse.de>
1423         * c-common.h (check_case_value): Remove prototype.
1424         (c_add_case_label): Adjust prototype.
1425         * c-common.c (check_case_value): Make static.
1426         (check_case_bounds): New function.
1427         (c_add_case_label): Use it.  Take new argument orig_type.
1428         * c-typeck.c (struct c_switch): New orig_type field.
1429         (c_start_case): Set it.
1430         (do_case): Pass it to c_add_case_label.
1431         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
1432         cases from here.  Add the labels in reverse order.
1433         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
1434         (add_case_node): Return nothing, don't check for duplicate cases.
1435         Insert new case nodes in a list, not in an AVL tree.
1436         (expand_end_case_type): Don't turn a case tree into a case list.
1437         (case_tree2list): Remove.
1438         * tree.h (add_case_node): Adjust prototype.
1440 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
1442         * genattr.c (struct range, struct function_unit,
1443         write_units, extend_range, init_range): Remove them.
1444         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
1445         Output "#define INSN_SCHEDULING" here.
1446         * genattrtab.c (struct range, struct function_unit_op,
1447         struct function_unit, struct dimension, enum operator,
1448         operate_exp, expand_units, simplify_knowing,
1449         encode_units_mask, simplify_by_exploding,
1450         find_and_mark_used_attributes, unmark_used_attributes,
1451         add_values_to_cover, increment_current_value,
1452         test_for_current_value, simplify_with_current_value,
1453         simplify_with_current_value_aux, gen_unit,
1454         write_unit_name, write_function_unit_info,
1455         write_complex_function, write_toplevel_expr,
1456         find_single_value, extend_range): Remove.
1457         (write_attr_get): Do not handle common_av->value
1458         being an FFS.
1459         (struct attr_desc): Remove func_units_p and blockage_p.
1460         (write_attr_valueq): Do not handle them.
1461         (find_attr): Do not clear them.
1462         (make_internal_attr): Do not initialize them.
1463         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
1464         * sched-vis.c (init_target_units, insn_print_units,
1465         init_block_visualization, print_block_visualization,
1466         visualize_scheduled_insns, visualize_no_unit,
1467         visualize_stall_cycles, visualize_alloc,
1468         visualize_free, target_units, get_visual_tbl_length,
1469         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
1470         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
1471         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
1472         * haifa-sched.c (blockage_range, clear_units,
1473         schedule_unit, actual_hazard, potential_hazard,
1474         insn_unit, unit_last_insn, unit_tick,
1475         actual_hazard_this_instance, potential_hazard,
1476         schedule_unit, max_insn_queue_index_value): Remove.
1477         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
1478         max_insn_queue_index.
1479         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
1480         * doc/md.texi (Processor pipeline description): Remove
1481         references to old pipeline descriptions.
1482         (Automaton pipeline description): Merge with the above.
1483         (Old pipeline description, Comparison of the two descriptions):
1484         Remove.
1486         * bt-load.c (migrate_btr_def): Remove references to
1487         use_pipeline_interface.
1488         * haifa-sched.c (insn_cost, schedule_insn,
1489         schedule_block, advance_one_cycle, sched_init,
1490         queue_to_ready, sched_finish): Likewise.
1491         * modulo-sched.c (sms_schedule, advance_one_cycle,
1492         ps_has_conflicts): Likewise.
1493         * sched-rgn.c (init_ready): Likewise.
1494         (debug_dependencies): Likewise, and remove an "if (1)".
1495         * target.h (use_dfa_pipeline_interface): Remove.
1496         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1497         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1498         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1499         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1500         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1501         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1502         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1503         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1504         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1505         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1506         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1507         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1508         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1509         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1510         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1511         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1512         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1513         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1514         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1516 2004-07-19  Roger Sayle  <roger@eyesopen.com>
1518         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
1520 2004-07-19  Jeff Law  <law@redhat.com>
1522         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
1523         (get_eq_expr_value): Use it.  Simplify slightly.
1525 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
1527         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
1528         (umulsidi3_32bit_r4000): Likewise.
1530 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
1532         * vec.h: Propagate location information properly.
1533         (VEC_T_iterate): Add result pointer parameter.
1534         (VEC_T_space): New.
1535         (VEC_T_reserve): Use it.
1537 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
1539         * Makefile.in (c-format.o): Depend on c-format.h.
1540         * c-format.h: New file.
1541         (struct format_char_info): Add CHAIN member.
1542         * c-format.c: Move some types and constants to c-format.h.
1543         (format_type_error): Set to -1.
1544         (struct function_format_info): Use an int for format_type.
1545         (decode_format_type): Return an int.  Return format_type_error
1546         on error.
1547         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
1548         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
1549         (scan_char_table, time_char_table, monetary_char_table): Initialize
1550         CHAIN to NULL.
1551         (n_format_types): New variable.
1552         (check_format_info_main): Handle CHAIN in format_char_info.
1553         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
1554         TARGET_N_FORMAT_TYPES.
1555         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
1556         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
1557         * config/sol2-c.c: New file.
1558         * config/t-sol2: New file.
1559         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
1560         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
1561         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
1563         * doc/extend.texi (Target Format Checks): New section.
1564         (Function Attributes): Mention it.
1565         * doc/invoke.texi: Mention target format checks.
1566         * doc/sourcebuild.texi: Mention target format checks.
1567         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
1568         TARGET_FORMAT_TYPES.
1570 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1572         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
1573         added.
1574         * config/s390/s390.c (regclass_map initializer): Register 35 added to
1575         ADDR_REGS.
1576         (load_multiple_operation, store_multiple_operation): Removed
1577         pointless sanity check.
1578         (s390_decompose_address): Added check for return_address_pointer_rtx.
1579         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
1580         (s390_return_address_offset): New function.
1581         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
1582         (FRAME_REGNO_P): Added check for register 35.
1583         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
1584         REG_ALLOC_ORDER): Appended entry for register 35.
1585         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
1586         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
1587         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
1588         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
1589         is eliminable using stack pointer or hard frame pointer.
1590         (REGISTER_NAMES): Added name for register 35.
1591         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
1592         pointless sanity check.
1594 2004-07-19  Roger Sayle  <roger@eyesopen.com>
1596         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
1597         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
1598         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
1599         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
1600         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
1601         (fold_relational_const): Tidy up handling of floating point
1602         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
1603         transformation; fold_relational_const assumes constant operands.
1605 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
1607         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
1608         directory.
1610 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
1612         * c-tree.h (struct c_expr): Define.
1613         (C_SET_EXP_ORIGINAL_CODE): Remove.
1614         (parser_build_binary_op, build_compound_expr): Update prototypes.
1615         * c-parse.in (%union): Add exprtype.
1616         (FUNC_NAME): Mark as ttype.
1617         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
1618         exprtype.
1619         (expr): Update.  Define directly in terms of expr_no_commas
1620         instead of using nonnull_exprlist.
1621         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
1622         offsetof_member_designator, typespec_nonreserved_nonattr, init,
1623         initval, designator, component_declarator,
1624         component_notype_declarator, enumerator, array_declarator,
1625         condition, exexpr, switch_statement, stmt_nocomp, stmt,
1626         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
1627         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
1628         where appropriate.
1629         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
1630         * c-common.c (c_common_truthvalue_conversion): Don't check
1631         C_EXP_ORIGINAL_CODE.
1632         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
1633         Don't use C_EXP_ORIGINAL_CODE.
1634         (default_conversion, default_function_array_conversion): Don't use
1635         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
1636         (internal_build_compound_expr): Merge into build_compound_expr.
1637         (build_compound_expr): Take two operands instead of a TREE_LIST.
1638         * objc/objc-act.c (get_super_receiver): Update calls to
1639         build_compound_expr.
1641 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
1643         * config/sh/sh.c (sh_use_dfa_interface): Remove.
1644         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
1645         hook_int_void_1.
1646         * config/sh/sh.md: Extract pipeline descriptions
1647         into separate files.
1648         * config/sh/sh1.md: New file, extracted from sh.md.
1649         * config/sh/sh4.md: New file, extracted from sh.md.
1650         * config/sh/shmedia.md: New file, extracted from sh.md
1651         and rewritten using new-style pipeline description.
1653 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
1655         * config/pa/pa.md: Delete the two remaining define_peephole
1656         patterns.
1658 2004-07-18  Steven Bosscher  <stevenb@suse.de>
1659             Joseph S. Myers  <jsm@polyomino.org.uk>
1661         * c-common.c (c_common_truthvalue_conversion): Don't warn if
1662         TREE_NO_WARNING is set.
1664 2004-07-18  Roger Sayle  <roger@eyesopen.com>
1666         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
1667         simplify_builtin_strncmp): Delete.
1668         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
1669         Change argument to accept an arglist instead of an "exp".  Assume
1670         that the return type is always integer_type_node.  Copy missing
1671         transformations from their now obsolete simplify_builtin_*
1672         equivalents.
1673         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
1674         fold_builtin_strcmp and fold_builtin_strncmp.
1675         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
1676         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
1677         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
1679 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
1681         * Makefile.in (tree-alias-common.o): Update dependencies.
1683 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
1685         * cfgloop.c (flow_loop_nested_p): Fix comment.
1687 2004-07-17  Jason Merrill  <jason@redhat.com>
1689         PR c++/16115
1690         * stor-layout.c (relayout_decl): New fn.
1691         * tree.h: Declare it.
1692         (DECL_BY_REFERENCE): New macro.
1694 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
1696         * libgcc2.c (__enable_execute_stack): New symbol.
1697         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
1698         and declare __enable_execute_stack.
1699         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
1700         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
1701         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
1702         ENABLE_EXECUTE_STACK.
1703         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
1704         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
1705         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
1706         ENABLE_EXECUTE_STACK.
1707         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1708         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
1709         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
1710         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
1711         ENABLE_EXECUTE_STACK.
1712         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1713         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1714         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1715         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1716         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
1717         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
1718         (sparc64_initialize_trampoline): Likewise.
1719         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
1721 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
1723         * langhooks.h (builtin_function): New langhook.
1724         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
1725         (LANG_HOOKS_INITIALIZER): Update.
1726         * tree.h (builtin_function): Remove.
1727         * doc/tm.texi: Update.
1728         * c-tree.h (builtin_function): Declare.
1729         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
1730         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
1731         config/ia64/ia64.c, config/iq2000/iq2000.c,
1732         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
1733         config/stormy16/stormy16.c: All callers of builtin_function
1734         changed.
1736 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
1738         PR target/16556
1739         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
1740         Remove white space after the backslash.
1742 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
1744         PR rtl-optimization/16294
1745         * resource.c (return_insn_p): New predicate.
1746         (mark_target_live_regs): Use it.  Special-case return insns.
1747         (init_resource_info): Use it.  Don't scan the epilogue past
1748         a return.
1750 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1752         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
1753         destroy dominance information.
1754         * passes.c (rest_of_handle_loop2):  Free dominance information.
1755         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
1756         jump threading.
1757         (thread_jumps): Update dominance information and remove unreachable
1758         blocks.
1759         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
1760         information and remove the unreachable block.
1762 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
1764         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
1766 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
1768         * doc/sourcebuild.texi: Remove libf2c entry.
1770 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
1772         * config/i386/i386.md (movv16qi_internal): Fix typo.
1774 2004-07-17  Steven Bosscher  <stevenb@suse.de>
1776         * final.c (final_scan_insn): Fix broken commit from previous
1777         patch.
1779 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
1781         * c-typeck.c (parser_build_binary_op): Condition warnings for
1782         X<=Y<=Z on -Wparentheses instead of -Wextra.
1783         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
1784         supported for C only.
1786 2004-07-17  Steven Bosscher  <stevenb@suse.de>
1788         * cfgcleanup.c (try_simplify_condjump): Don't remove line
1789         notes to avoid unreachable code warnings.
1790         * toplev.c (backend_init): Don't emit line notes for
1791         unreachable code warnings.
1793         * combine.c (distribute_notes): Don't distribute a
1794         REG_VTABLE_REF note.
1795         * final.c (final_scan_insn): Don't handle it.
1796         * rtl.c (reg_note_name): Remove it.
1797         * rtl.h (enum reg_node): Dito.
1799         * emit-rtl.c (force_line_numbers, restore_line_number_status):
1800         Remove.
1801         * rtl.h (force_line_numbers, restore_line_number_status):
1802         Remove prototypes.
1804         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
1805         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
1806         (using_eh_for_cleanups): Also moved here.
1808         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
1809         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
1810         to expand_start_case and add_case_node.
1811         * stmt.c (struct nesting): Cleanup unused fields condition_code,
1812         last_unconditional_cleanup, nominal_type, printname, and
1813         line_number_status.
1814         (struct fixup_goto): Remove.
1815         (struct stmt_status): Remove x_goto_fixup_chain field.
1816         (goto_fixup_chain): Remove.
1817         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
1818         pushcase, pushcase_range): Remove.
1819         (expand_start_bindings_and_block): Don't set unused fields in
1820         the nesting stack.
1821         (expand_start_case, add_case_node): Cleanup unused formal arguments.
1822         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
1823         instead of emit_jump_if_reachable.
1824         (emit_case_nodes): Likewise.
1825         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
1826         static.
1827         (update_eh_label): Work around left-over exception handing regions.
1828         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
1829         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
1830         (pass_cleanup_cfg_post_optimizing): New pass.
1831         (init_tree_optimization_passes): Run the new pass after all
1832         optimizations.
1833         * tree.h (pushcase, pushcase_range): Remove prototypes.
1834         (expand_start_case, add_case_node): Update prototypes.
1836 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
1838         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
1840 2004-07-16  Richard Henderson  <rth@redhat.com>
1842         * builtins.c (std_expand_builtin_va_arg): Remove.
1843         (expand_builtin_va_arg): Remove.
1844         * expr.h: Don't declare them.
1845         * gimplify.c (mark_decls_volatile_r): Remove.
1846         (copy_if_shared_r): Don't call it.
1847         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
1848         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
1849         * gimple-low.c (lower_stmt): Likewise.
1850         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
1851         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
1852         * tree-ssa-operands.c (get_expr_operands): Likewise.
1853         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
1854         EXPAND_BUILTIN_VA_ARG.
1855         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
1856         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
1857         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
1858         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
1860 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
1862         * tree-ssa-pre.c (insert_aux): Break out if we hit
1863         a critical edge.
1865 2004-07-16  Richard Henderson  <rth@redhat.com>
1867         * basic-block.h (remove_fake_exit_edges): Declare.
1868         * cfganal.c (remove_fake_predecessors): Rename from
1869         remove_fake_successors; iterate over predecessors.
1870         (remove_fake_exit_edges): New.
1871         * cfgcleanup.c (try_optimize_cfg): Use it.
1872         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
1873         * predict.c (estimate_probability): Likewise.
1874         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
1875         * tree-cfg.c (make_edges): Likewise.
1876         * tree-ssa-pre.c (fini_pre): Likewise.
1877         * profile.c (instrument_edges): Don't remove_fake_edges.
1878         (branch_prob): Do it earlier here.
1880 2004-07-16  Richard Henderson  <rth@redhat.com>
1882         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
1883         switchification wrt CONSTRUCTOR.  Document the reason.
1885 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
1887         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
1888         that prevented descriptive __mf_check source location strings.
1890 2004-07-16  Richard Henderson  <rth@redhat.com>
1892         * tree-def (WITH_SIZE_EXPR): New.
1893         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
1894         * expr.c (expand_expr_real_1): Likewise.
1895         * gimplify.c (maybe_with_size_expr): New.
1896         (gimplify_arg, gimplify_modify_expr): Use it.
1897         (gimplify_modify_expr_to_memcpy): Take size parameter.
1898         (gimplify_modify_expr_to_memset): Likewise.
1899         (gimplify_expr): Handle WITH_SIZE_EXPR.
1900         * tree-alias-common.c (find_func_aliases): Likewise.
1901         * tree-eh.c (tree_could_trap_p): Likewise.
1902         (tree_could_throw_p): Likewise.
1903         * tree-gimple.c (is_gimple_lvalue): Likewise.
1904         (get_call_expr_in): Likewise.
1905         * tree-inline.c (estimate_num_insns_1): Likewise.
1906         (expand_calls_inline): Likewise.
1907         * tree-nested.c (convert_call_expr): Likewise.
1908         * tree-pretty-print.c (dump_generic_node): Likewise.
1909         * tree-sra.c (sra_walk_expr): Likewise.
1910         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
1911         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
1912         * tree-ssa-operands.c (get_expr_operands): Likewise.
1913         * tree-tailcall.c (find_tail_calls): Likewise.
1915         * calls.c (expand_call): Reset old_stack_allocated after
1916         calling emit_stack_restore.
1918 2004-07-16  Richard Henderson  <rth@redhat.com>
1920         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
1921         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
1922         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
1923         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
1924         copy_res_decl_for_inlining.
1926         * tree-inline.c (declare_return_variable): New modify_dest argument.
1927         Use it as the return value, when possible or manditory.  Handle
1928         TREE_ADDRESSABLE types.
1929         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
1930         replacement of CALL_EXPR.
1932 2004-07-16  Richard Henderson  <rth@redhat.com>
1934         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
1935         * gimple-low.c (expand_var_p): Don't check it.
1936         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
1937         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
1938         * tree-ssa-operands.c (add_stmt_operand): Likewise.
1939         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
1940         (find_referenced_vars): Don't call them.
1941         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
1943 2004-07-16  Richard Henderson  <rth@redhat.com>
1945         * function.c (pass_by_reference): True for all variable sized types.
1947 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
1949         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
1950         * tree-pretty-print.c: Include tree-chrec.h.
1951         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
1952         and POLYNOMIAL_CHREC nodes.
1954 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
1956         * builtins.c (expand_builtin_stpcpy): Do not create temporary
1957         reg with VOIDmode.
1959 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
1961         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
1963 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
1965         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
1966         to BASE_REGNUM.
1967         * config/s390/s390.c: Likewise.
1968         * config/s390/s390.h: Likewise.
1970 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1972         * config/mips/mips.md (addsi3, adddi3): Remove special handling
1973         of $sp adds.  Remove REGNO checks from mips16 patterns.
1975 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1977         * config/mips/mips.md: Delete outdated comment.
1979 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1981         * config/mips/mips.c (get_float_compare_codes): Delete.
1982         (mips_emit_compare): New function, mostly extracted from
1983         get_float_compare_codes and gen_conditional_branch.
1984         (gen_conditional_branch, gen_conditional_move): Use it.
1986 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
1988         * genautomata.c (add_vect): Speedup by using integers as
1989         bit-vectors for walking through the comb_vect and finding
1990         a match.
1992 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1994         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
1995         operand is an uns_arith_operand; use subtraction otherwise.
1996         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
1997         not just arith_operands.
1999 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2001         * config/mips/mips-protos.h (gen_int_relational): Delete.
2002         (mips_emit_scc): Declare.
2003         * config/mips/mips.c (internal_test): Delete.
2004         (sle_operand, sleu_operand): New functions.
2005         (map_test_to_internal_test, gen_int_relational): Delete.
2006         (mips_emit_binary, mips_relational_operand_ok_p)
2007         (mips_emit_int_relational, mips_zero_if_equal)
2008         (mips_emit_scc): New functions.
2009         (gen_conditional_branch): Rework to use mips_emit_int_relational.
2010         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
2011         sleu_operand.
2012         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
2013         (sltu, sleu): Use mips_emit_scc.
2014         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
2015         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
2016         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
2018 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2020         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
2022 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2024         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
2025         (*sne_[sd]i): Likewise sne_[sd]i_zero.
2026         (*sgt_[sd]i): ...and sgt_[sd]i.
2027         (*slt_[sd]i): ...and slt_[sd]i.
2028         (*sgtu_[sd]i): ...and sgtu_[sd]i.
2029         (*sltu_[sd]i): ...and sltu_[sd]i.
2030         (*sleu_[sd]i): ...and sleu_[sd]i_const.
2031         Name previously unnamed mips16 patterns.  Formatting fixes.
2033 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2035         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
2036         (branch_type): Delete.
2037         (gen_conditional_branch, gen_conditional_move)
2038         (mips_gen_conditional_trap): Update after name change.  Get the
2039         comparison mode from cmp_operands[0].
2040         * config/mips/mips.h (cmp_type, branch_type): Delete.
2041         (cmp_operands): Renamed from branch_cmp.
2042         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
2043         name change.  Don't set branch_type.
2044         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
2045         mode class of cmp_operands[0] rather than branch_type.  Update after
2046         name change.
2048 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2050         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
2051         of 0...255 to 0 when inside a SET.
2053 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2055         * config/mips/mips.md: Remove mips16 define_peepholes.
2057 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
2059         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
2060         (fini_pre): Remove fake edges.
2062 2004-07-15  Richard Henderson  <rth@redhat.com>
2064         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
2065         (get_indirect_ref_operands, get_call_expr_operands): ... these.
2067 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
2069         * vec.h (VEC_address): New function.
2071 2004-07-14  Jason Merrill  <jason@redhat.com>
2073         PR middle-end/15885
2074         * gimplify.c (gimplify_arg): New fn, split out from...
2075         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
2077 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
2079         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
2080         generate code which is generated by pushqi1 now
2081         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
2083 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
2085         * combine.c (simplify_set): match the mode of the constant 0 with
2086         the tested operand to match the compare behaviour and the
2087         simplify_relational_operation() expectation.
2089 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
2091         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
2092         ("bordered"): Same.
2094 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
2096         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
2097         unconditionally.
2098         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
2100 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
2102         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
2103         calls in mips16 code.
2105 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
2107         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
2108         the destination of the li as well as for the neg.
2110 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
2112         g++/15861
2113         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
2114         * cgraph.h: Update declaration.
2115         * c-decl.c (build_cdtor): Update call with default priority.
2116         * coverage.c (create_coverage): Ditto.
2117         * tree-mudflap.c (mf_init_fndecl): New tree.
2118         (mudflap_init): Set it.
2119         (mudflap_register_call): Arrange to call __mf_init before the first
2120         __mf_register call.
2121         (mudflap_finish_file): Mark the mudflap static initializer as extra
2122         high priority, to beat all C++ static constructors.
2124 2004-07-15  Jeff Law  <law@redhat.com>
2126         * loop.c (check_insn_for_givs): Restore check for code labels that was
2127         accidentally deleted by a recent checkin.
2129 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
2131         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
2132         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
2134 2004-07-14  Richard Henderson  <rth@redhat.com>
2136         * print-tree.c (print_node): Fix casts last change.
2138 2004-07-15  Paul Brook  <paul@codesourcery.com>
2140         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
2141         to TARGET_UNWIND_INFO.
2142         * except.c (output_function_exception_table): Ditto.
2143         * except.h: Ditto.
2144         * opts.c (decode_options): Ditto.
2145         * passes.c (rest_of_handle_final): Ditto.
2146         * final.c (final_start_function): Ditto.
2147         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
2148         target hook.
2149         * targhooks.h (default_unwind_emit): Declare.
2150         * targhooks.c (default_unwind_emit): New function.
2151         * target-def.h: Define and use TARGET_UNWIND_EMIT.
2152         * target.h (struct gcc_target): Add unwind_emit.
2153         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
2154         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
2155         Remove IA64_UNWIND_EMIT.
2156         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
2158 2004-07-14  Richard Henderson  <rth@redhat.com>
2160         * print-tree.c (print_node): Handle SSA_NAME.
2162 2004-07-14  James E Wilson  <wilson@specifixinc.com>
2164         PR target/16325
2165         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
2166         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
2168 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
2170         * expr.c (expand_assignment): Reenable bitfield += optimizations.
2171         Use alias set 0 for memory, do proper mode calculations and adjust
2172         address for memories.
2174 2004-07-14  Per Bothner  <per@bothner.com>
2176         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
2177         structure with extra column field.
2178         * tree.c (expand_location):  Also fill in column field.
2179         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
2180         gets confused by the two conditionally-compiled definitions.
2182 2004-07-14  Eric Christopher  <echristo@redhat.com>
2184         * calls.c (expand_call): Fix typo in comment.
2186 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
2188         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
2189         comparision of TFmode.
2191 2004-07-14  Richard Henderson  <rth@redhat.com>
2193         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
2194         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
2195         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
2196         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
2197         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
2198         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2199         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
2200         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
2201         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
2203 2004-07-14  Mike Stump  <mrs@apple.com>
2205         * config/darwin.h (WINT_TYPE): Define to be int to match
2206         system header files.
2208 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
2210         * config/xtensa/xtensa.c (function_arg_advance): Check for args
2211         that must be passed in the stack.
2212         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
2213         arguments if the size is not a constant.
2215 2004-07-14  Per Bothner  <per@bothner.com>
2217         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
2218         instead of EXPR_LOCUS in a boolean context, which is always true
2219         if --enable-mapped-location.
2220         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
2222 2004-07-14  Richard Henderson  <rth@redhat.com>
2224         * dominance.c (struct dom_info): Add fake_exit_edge.
2225         (init_dom_info): Allocate it.
2226         (free_dom_info): Free it.
2227         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
2228         in two passes.
2229         (calc_idoms): Honor fake_exit_edge.
2231 2004-07-13  Jason Merrill  <jason@redhat.com>
2233         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
2234         (rhs_test_for): New fn.
2235         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
2236         * tree-gimple.h: Declare them.
2237         * gimplify.c (gimplify_modify_expr): Use the new fns.
2239 2004-07-14  Richard Henderson  <rth@redhat.com>
2241         * config/arm/arm-protos.h (arm_va_arg): Remove.
2242         * config/arm/arm.c (arm_va_arg): Remove.
2243         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
2244         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
2246 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2248         * pa.c (fix_range): New function to mark a range(s) of registers as
2249         fixed registers.
2250         (override_options): Call fix_range if the -mfixed-range option string
2251         is not empty.
2252         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
2253         * doc/invoke.texi (-mfixed-range): Document new option.
2255 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
2257         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
2258         for TARGET_64BIT.
2259         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
2261 2004-07-14  Roger Sayle  <roger@eyesopen.com>
2263         * expmed.c (expand_sdiv_pow2): New function to expand signed division
2264         by a positive power of two, split out from expand_divmod.  Provide
2265         an alternate implementation when shifts are expensive.  Lower the
2266         threshold for using a branchless implementation to BRANCH_COST >= 2.
2267         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
2269 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2271         * tree-dfa.c (make_rename_temp): *Really* work just
2272         like create_tmp_var if called while outside SSA form.
2274 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
2276         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
2277         for division by zero.
2278         ("umodsi3"): Likewise.
2280 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
2282         * config/mips/mips.c (mips_output_move): When generating mips16 code,
2283         force loads of negative constants to be split.
2284         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
2285         Generalize SImode li/neg splitter to cope with other modes.
2287 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2289         * expmed.c: Remove more references to QUEUED in the comments.
2290         * expr.c: Likewise.
2292 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
2294         Revert:
2295         2004-07-13  Richard Henderson  <rth@redhat.com>
2296         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
2297         correctly.
2299 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2301         * tree-dfa.c (make_rename_temp): Work just like
2302         create_tmp_var if called while outside SSA form.
2304 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2306         * expr.c (enqueue_insn, finish_expr_for_function,
2307         protect_from_queue, queued_subexp_p, mark_queue,
2308         emit_insns_enqueued_after_mark, emit_queue,
2309         expand_increment): Remove.
2310         (store_constructor): Expand increment as an assignment.
2311         (expand_expr_real_1 <case PREINCREMENT_EXPR,
2312         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
2313         case POSTDECREMENT_EXPR>): Abort.
2314         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
2315         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
2316         protect_from_queue, emit_queue, queued_subexp_p): Remove.
2317         * function.h (pending_chain, x_pending_chain): Remove.
2318         * rtl.def (QUEUED): Remove.
2320         * emit-rtl.c (copy_insn_1, copy_most_rtx,
2321         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
2322         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
2323         encode_units_mask): Likewise.
2324         * local-alloc.c (equiv_init_varies_p): Likewise.
2325         * rtl.c (copy_rtx): Likewise.
2326         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
2327         * simplify-rtx.c (simplify_gen_subreg): Likewise.
2328         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
2330         * builtins.c (expand_builtin, expand_builtin_apply,
2331         expand_builtin_mathfn, expand_builtin_mathfn_2,
2332         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
2333         Remove calls to emit_queue and protect_from_queue.
2334         * calls.c (expand_call, precompute_arguments,
2335         precompute_register_parameters, rtx_for_function_call,
2336         store_one_arg): Likewise.
2337         * dojump.c (do_compare_and_jump, do_jump): Likewise.
2338         * explow.c (memory_address): Likewise.
2339         * expmed.c (clear_by_pieces_1, clear_storage,
2340         clear_storage_via_libcall, emit_group_load,
2341         emit_group_store, emit_store_flag,
2342         expand_expr_real_1, store_by_pieces,
2343         store_constructor, store_expr, try_casesi,
2344         try_tablejump): Likewise.
2345         * function.c (expand_pending_sizes): Likewise.
2346         * optabs.c (emit_cmp_and_jump_insns,
2347         emit_conditional_add, emit_conditional_move,
2348         expand_fix, expand_float, prepare_cmp_insn): Likewise.
2349         * stmt.c (emit_case_bit_tests,
2350         expand_asm_expr, expand_computed_goto,
2351         expand_decl_init, expand_end_case_type,
2352         expand_end_stmt_expr, expand_expr_stmt_value,
2353         expand_return, expand_start_case,
2354         optimize_tail_recursion): Likewise.
2355         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2356         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
2358 2004-07-14  Ben Elliston  <bje@au.ibm.com>
2360         * vec.h: Comment fix.
2362 2004-07-13  Richard Henderson  <rth@redhat.com>
2364         * target.h (struct gcc_target): Add calls.pass_by_reference.
2365         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
2366         * function.c (pass_by_reference): Use the hook.
2367         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
2368         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
2369         (hook_pass_by_reference_must_pass_in_stack): New.
2370         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
2371         (alpha_pass_by_reference): New.
2372         (TARGET_PASS_BY_REFERENCE): New.
2373         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2374         * config/arc/arc.c (arc_pass_by_reference): New.
2375         (TARGET_PASS_BY_REFERENCE): New.
2376         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2377         (FUNCTION_ARG_CALLEE_COPIES): True.
2378         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
2379         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
2380         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
2381         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2382         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2383         * config/cris/cris.c (cris_pass_by_reference): New.
2384         (TARGET_PASS_BY_REFERENCE): New.
2385         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
2386         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
2387         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2388         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
2389         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2390         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
2391         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
2392         (frv_function_arg_pass_by_reference): Remove.
2393         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2394         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
2395         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
2396         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
2397         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2398         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
2399         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
2400         (ia64_pass_by_reference): Rename from
2401         ia64_function_arg_pass_by_reference.
2402         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2403         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2404         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
2405         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
2406         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
2407         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2408         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
2409         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
2410         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
2411         (m32r_pass_by_reference): Adjust prototype.  Make static.
2412         Handle mode sizes correctly.
2413         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2414         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
2415         (m68hc11_function_arg_pass_by_reference): Remove.
2416         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2417         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
2418         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
2419         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2420         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
2421         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
2422         (mips_va_arg): Use pass_by_reference.
2423         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
2424         Handle mode sizes correctly.
2425         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2426         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
2427         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
2428         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
2429         (mmix_pass_by_reference): Rename from
2430         mmix_function_arg_pass_by_reference.
2431         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2432         (FUNCTION_ARG_CALLEE_COPIES): True.
2433         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
2434         (mn10300_pass_by_reference): New.
2435         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2436         (FUNCTION_ARG_CALLEE_COPIES): True.
2437         * config/pa/pa.c (pa_pass_by_reference): New.
2438         (TARGET_PASS_BY_REFERENCE): New.
2439         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2440         (FUNCTION_ARG_CALLEE_COPIES): True.
2441         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
2442         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
2443         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
2444         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2445         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
2446         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
2447         (s390_pass_by_reference): Rename from
2448         s390_function_arg_pass_by_reference.
2449         (s390_function_arg_advance): Don't query pass-by-ref.
2450         (s390_function_arg): Likewise.
2451         (s390_gimplify_va_arg): Use pass_by_reference.
2452         (s390_call_saved_register_used): Likewise.
2453         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2454         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
2455         (shcompact_byref, sh_pass_by_reference): New.
2456         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2457         (SHCOMPACT_BYREF): Remove.
2458         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
2459         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
2460         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
2461         (sparc_gimplify_va_arg): Use pass_by_reference.
2462         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2463         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2464         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
2465         (v850_pass_by_reference): New.
2466         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2467         (FUNCTION_ARG_CALLEE_COPIES): True.
2468         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
2469         FUNCTION_ARG_PASS_BY_REFERENCE docs.
2471 2004-07-14  Richard Henderson  <rth@redhat.com>
2472             Richard Sandiford  <rsandifo@redhat.com>
2474         * config/mips/mips-protos.h (mips_va_arg): Delete.
2475         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
2476         * config/mips/mips.c: Include tree-gimple.h.
2477         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
2478         (mips_arg_info): Remove special handling of must_pass_in_stck args.
2479         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
2480         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
2482 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
2484         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
2485         arguments for COND_EXPR in big-endian adjustment code.
2487 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2489         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
2490         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
2491         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
2492         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
2494 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
2496         PR tree-optimization/16443
2497         * tree-ssa-alias.c: Add more description for
2498         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
2499         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
2500         clobbering of call-clobbered and addressable variables.  If
2501         there are any before aliases have been computed, add them.
2503 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
2505         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
2506         verification.
2508 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
2510         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
2511         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
2512         to the same type.
2514 2004-07-13  Per Bothner  <per@bothner.com>
2516         * collect2.c (main):  Handle --no-demangle and --demangle flags.
2518 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
2520         * Makefile.in (OBJS-common): Add tree-data-ref.o.
2521         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
2522         (tree-data-ref.o): New rule.
2523         * lambda.h: New file.
2524         * tree-data-ref.c: New file.
2525         * tree-data-ref.h: New file.
2526         * tree.c (int_cst_value, tree_fold_gcd): New functions.
2527         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
2529 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2531         PR target/13926
2532         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
2533         * config/sparc/sparc.c (output_ubranch): New function.
2534         * config/sparc/sparc.md (jump pattern): Use it.
2536 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2538         PR target/16494
2539         * config/sparc/sparc.c (output_cbranch): Properly guard
2540         the code handling far branches with TARGET_V9.
2541         * config/sparc/sparc.md (length attribute): Document the
2542         side-effect of having a length greater or equal to 3.
2544 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2545             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
2547         PR target/15186
2548         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
2549         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
2551 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2552             Martin Sebor  <sebor@roguewave.com>
2554         PR target/12602
2555         * doc/invoke.texi (SPARC options): Document -threads
2556         and -pthreads on Solaris.
2558 2004-07-13  Richard Henderson  <rth@redhat.com>
2560         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
2561         by reference.
2562         (ind_gimplify_va_arg_expr): Remove.
2563         * tree.h (ind_gimplify_va_arg_expr): Remove.
2564         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
2565         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
2566         argsp to be null.
2568         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
2569         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
2570         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
2571         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
2572         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
2574 2004-07-13  Richard Henderson  <rth@redhat.com>
2576         * function.c (pass_by_reference): New.
2577         (assign_parm_find_data_types): Use it.
2578         * calls.c (initialize_argument_information): Likewise.
2579         (emit_library_call_value_1): Likewise.
2580         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2581         * function.h (pass_by_reference): Declare.
2583 2004-07-13  Richard Henderson  <rth@redhat.com>
2585         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
2586         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
2587         * expr.h (MUST_PASS_IN_STACK): Remove.
2588         * system.h (MUST_PASS_IN_STACK): Poison.
2589         * tree.h (must_pass_in_stack_var_size): Declare.
2590         (must_pass_in_stack_var_size_or_pad): Declare.
2591         * calls.c (must_pass_in_stack_var_size): New.
2592         (must_pass_in_stack_var_size_or_pad): Rename from
2593         default_must_pass_in_stack.
2594         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
2595         (TARGET_MUST_PASS_IN_STACK): New.
2596         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
2597         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
2598         (TARGET_MUST_PASS_IN_STACK): New.
2599         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
2600         * config/frv/frv.c (frv_must_pass_in_stack): New.
2601         (TARGET_MUST_PASS_IN_STACK): New.
2602         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
2603         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
2604         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
2605         (ix86_must_pass_in_stack): Make static.
2606         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
2607         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
2608         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
2609         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
2610         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
2611         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
2612         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
2613         (mcore_must_pass_on_stack): Remove.
2614         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
2615         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
2616         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
2617         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
2618         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
2619         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
2620         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
2621         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
2622         (TARGET_MUST_PASS_IN_STACK): New.
2623         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
2624         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
2625         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
2626         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
2627         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
2628         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
2629         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
2630         MUST_PASS_IN_STACK.
2632         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
2633         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
2634         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
2635         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
2636         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
2637         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
2638         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
2639         config/xtensa/xtensa.c: Use target hook.
2641 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
2643         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
2644         * configure: Rebuilt.
2646 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
2648         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
2649         * config/mips/mips.h (mips_reg_names): Don't declare.
2650         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
2651         (TARGET_NAME_REGS): Delete.
2652         (TARGET_SWITCHES): Remove -mrnames.
2653         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
2654         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
2655         in REGISTER_NAMES.
2656         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
2657         (override_options): Remove handling of TARGET_NAME_REGS.
2659 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
2661         * config/mips/mips.h (TARGET_*): Boolify.
2663 2004-07-12  Nick Clifton  <nickc@redhat.com>
2665         * config.gcc: Add sh-*-symbianelf target.
2666         * config/sh/sh.c: Add new target macros:
2667         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
2668         TARGET_CXX_IMPORT_EXPORT_CLASS.
2669         (sh_file_start): Create a definition of the .directive section.
2670         (sh_attribute): Add dllimport and dllexport attributes.
2671         * config/sh/symbian-pre.h: New file.
2672         * config/sh/symbian-post.h: New file.
2673         * config/sh/symbian.c: New file. Contains Symbian specific
2674         functions.
2675         * config/sh/sh-protos.h: Add prototypes for new functions
2676         provided by symbian.c.
2677         * config/sh/t-symbian: New file.
2678         * doc/extend.texi: Document support for dllimport and dllexport
2679         attributes by the sh-symbianelf target.
2681 2004-07-12  James E Wilson  <wilson@specifixinc.com>
2683         * Makefile.in (AR): Use @AR@ not ar.
2684         (NM): New.
2685         (AR_FOR_TARGET): Use $(AR) not ar for native.
2686         (NM_FOR_TARGET): Use $(NM) not nm for native.
2687         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
2688         * configure: Regenerate.
2690 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
2692         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
2693         special case.
2694         (ashldi3_sp64): Likewise.
2696 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2698         PR target/16477
2699         * pa.c (function_arg): Update comment.
2700         * pa.h (BLOCK_REG_PADDING): Define.
2702 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2704         PR tree-optimization/16461
2705         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
2706         arguments of phi nodes.
2708 2004-07-12  Devang Patel  <dpatel@apple.com>
2710         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
2712 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
2714         * function.c (expand_function_start): Ensure r_save is in Pmode.
2715         * calls.c (prepare_call_address): Ensure static_chain_value is
2716         in Pmode.
2717         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
2718         r_save_area are in Pmode.
2719         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
2720         fnaddr, and static_chain are in Pmode.
2722 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
2724         PR target/16445
2725         * config/ia64/ia64.c (bundling): Don't count ignored insns.
2727 2004-07-12  Richard Henderson  <rth@redhat.com>
2729         * target.h (struct gcc_target): Move gimplify_va_arg_expr
2730         next to build_builtin_va_list.
2731         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
2732         * builtins.c (gimplify_va_arg_expr): Likewise.
2733         * gimplify.c (copy_if_shared_r): Likewise.
2735 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
2737         * passes.c (rest_of_decl_compilation): Don't defer call of
2738         assemble_variable if its DECL_RTL is already set.
2740 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
2742         * cfgloop.h (struct loop): Add nb_iterations field.
2743         (current_loops): Declare.
2744         * tree-chrec.c (chrec_not_analyzed_yet,
2745         chrec_dont_know, chrec_known, count_ev_in_wider_type,
2746         chrec_contains_symbols_defined_in_loop): Remove the temporary
2747         hooks.
2748         * tree-flow-inline.h (loop_containing_stmt): New function.
2749         * tree-scalar-evolution.c: Add implementation.
2750         * tree-scalar-evolution.h: Add declarations.
2752 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
2754         PR rtl-optimization/15921
2755         * Makefile.in (global.o): Add recog.h.
2757         * global.c (recog.h): Add the include-clause.
2758         (bb_info): New member earlyclobber.
2759         (allocate_bb_info, free_bb_info): Initialize/finish the new
2760         member.
2761         (earlyclobber_regclass, earlyclobber_regclass_length): The new
2762         global variables.
2763         (check_earlyclobber, regclass_intersect,
2764         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
2765         New functions.
2766         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
2767         (make_accurate_live_analysis): Modify pavin.
2769 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
2771         * tree-cfg.c (find_taken_edge): Statically compute the truth
2772         value of a predicate comparing an SSA_NAME to itself.
2774 2004-07-12  Roger Sayle  <roger@eyesopen.com>
2776         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
2777         rs6000 doesn't have shift-and-add or shift-and-sub instructions
2778         by returning the cost of a multiplication plus an addition.
2780 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
2782         PR tree-optimization/14107
2783         * gimplify.c (gimplify_return_expr): Accept a
2784         RETURN_EXPR with an error argument.
2785         * tree-optimize.c (init_tree_optimization_passes):
2786         Run pass_warn_function_return at -O0.
2788 2004-07-12  Roger Sayle  <roger@eyesopen.com>
2790         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
2791         index entry.
2793 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
2795         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
2796         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2797         * config/mips/3000.md: Add copyright notice.  Remove automota and
2798         function units; use generic ones instead.  Only define reservations
2799         for things that are different from generic.md.  Extend each clause
2800         to include r3900.
2801         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
2802         * config/mips/mips.md: Include them. Remove define_function_units.
2803         (alu, imuldiv): New automata and units.
2805 2004-07-12  Ben Elliston  <bje@au.ibm.com>
2807         * doc/invoke.texi (Optimize Options): Document -frename-registers
2808         not being enabled by default at -O3.
2810 2004-07-11  Roger Sayle  <roger@eyesopen.com>
2812         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
2813         floating point additions, to keep real immediate constant positive.
2814         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
2815         into X + C, and leave positive real constants as X - C.
2817 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2819         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
2821 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2823         PR tree-optimization/15654
2824         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
2826 2004-07-11  Roger Sayle  <roger@eyesopen.com>
2828         * builtins.c (fold_builtin_fputs): Don't bother converting the
2829         return type to integer_type_node, as we've already checked that
2830         the result will be ignored.
2832         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
2833         that signed addition, subtraction, multiplication, division,
2834         remainder, negation and absolute value may potentially trap.
2836         * fold-const.c (fold_ignored_result): New function to strip
2837         non-side-effecting tree nodes from an expression whose result
2838         is ignored.
2839         (fold_convert): Call fold_ignored_result when casting a value
2840         to VOID_TYPE.
2841         (omit_one_operand):  Call fold_ignored_result on the "omitted"
2842         operand when building a COMPOUND_EXPR.
2843         (pedantic_omit_one_operand): Likewise.
2844         * tree.h (fold_ignored_result): Prototype here.
2845         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
2846         when we're going to ignore the result.
2848 2004-07-11  Richard Henderson  <rth@redhat.com>
2850         PR tree-opt/16383
2851         * tree-ssa-ccp.c (fold_stmt_r): Split out...
2852         * tree.c (fields_compatible_p, find_compatible_field): ... new.
2853         * tree.h (fields_compatible_p, find_compatible_field): Declare.
2854         * tree-sra.c (sra_hash_tree): Hash fields by offset.
2855         (sra_elt_eq): Use fields_compatible_p.
2856         (generate_one_element_ref): Use find_compatible_field.
2858 2004-07-11  Richard Henderson  <rth@redhat.com>
2860         PR tree-opt/16422
2861         * tree-sra.c (generate_one_element_init): New.
2862         (generate_element_init): Use it.
2863         (scalarize_init): Push/pop gimplify context around it.
2864         (find_new_referenced_vars_1, find_new_referenced_vars): New.
2865         * gimplify.c (gimplify_expr): Allow SSA_NAME.
2867 2004-07-11  Roger Sayle  <roger@eyesopen.com>
2869         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
2870         combine.c's combine_insn_cost.
2871         * rtl.h (insn_rtx_cost): Prototype here.
2872         * combine.c (combine_insn_cost): Delete function.
2873         (combine_validate_cost): Update callers of combine_insn_cost to
2874         call insn_rtx_cost instead.
2875         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
2876         requesting the rtx_cost of call and/or jump instructions.
2878         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
2879         rtx_cost directly.  Don't request/use the cost of call or jump
2880         instructions.  Return -1 if the cost of any instruction can't be
2881         determined (or the BB contains a function call).
2882         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
2883         -1 (i.e. can't determine the cost of any instruction or the basic
2884         block contains a subroutine call).
2885         (find_if_case_2): Likewise.
2887 2004-07-11  Roger Sayle  <roger@eyesopen.com>
2889         * rs6000.c (struct processor_costs): Change semantics of fields to
2890         include the COST_N_INSNS scaling, and update all initializers.
2891         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
2892         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
2893         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
2894         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
2896 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2898         * LANGUAGES: Remove obsolete information.
2900 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
2902         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
2903         SIGBUS signal frames, the PSW address points *to* the faulting
2904         instruction, not after it.
2906 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
2908         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
2909         added to TLS symbol addresses.
2911 2004-07-11  Richard Henderson  <rth@redhat.com>
2913         * expmed.c (init_expmed): Use stack-local structures for
2914         temporary rtl.  Don't recognize shifts.
2916 2004-07-11  Richard Henderson  <rth@redhat.com>
2918         * expr.c (store_expr): Don't fiddle subreg promotion for types
2919         with precision smaller than the mode.
2921 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2923         * tree.h (all_types_permanent): Remove.
2925 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2927         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
2928         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
2929         * langhooks.c (lhd_clear_binding_stack): Remove.
2930         * langhooks-def.h (lhd_clear_binding_stack,
2931         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
2932         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
2933         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
2934         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
2935         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
2936         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
2937         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
2938         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
2939         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
2940         * tree.h (poplevel): Don't declare.
2941         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
2942         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
2943         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
2944         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
2945         Remove.
2947 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2949         PR tree-optimization/16437
2950         * c-common.c (shorten_compare): Don't mark result of conversion to
2951         narrower signed type as overflowing.
2952         * fold-const.c (decode_field_reference): Determine whether
2953         signedness comes from outer type using precision rather than size.
2955 2004-07-11  Phil Edwards  <phil@codesourcery.com>
2957         * configure.ac:  Alphabetize --enable-checking list, add
2958         missing valgrind entry.
2959         * configure:  Regenerate.
2961 2004-07-11  Phil Edwards  <phil@codesourcery.com>
2963         * doc/install.texi (Testing):  Fix syntax in "make check" example.
2965 2004-07-10  James E Wilson  <wilson@specifixinc.com>
2967         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
2969 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2971         PR rtl-optimization/16001
2972         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
2973         niter_expr.
2975 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
2977         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
2979 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
2980             James Morrison  <phython@gcc.gnu.org>
2982         * doc/contrib.texi (Contributors): Add gfortran contributors and
2983         fix a couple of typos.
2985 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2987         PR rtl-optimization/15387
2988         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
2989         to incoming args space correctly.
2991 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2993         * pa.c (output_indirect_call): Only use %r2 as the link register in
2994         indirect calls with the long PA 2.0 pc-relative branch.
2996 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
2998         * config/i386/i386.c (override_options): Pick a 64-bit CPU
2999         for the default tuning if TARGET_64BIT.
3001 2004-07-10  Richard Henderson  <rth@redhat.com>
3003         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
3004         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
3006 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
3008         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
3009         * expmed.c (store_bit_field, extract_bit_field): Remove last
3010         argument.
3011         * builtins.c (expand_builtin_signbit): Adjust callers.
3012         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
3013         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
3014         * ifcvt.c (noce_emit_move_insn): Likewise.
3015         * stmt.c (expand_return): Likewise.
3016         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
3017         store_field, expand_expr_real_1): Likewise.
3019 2004-07-10  Richard Henderson  <rth@redhat.com>
3021         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
3023 2004-07-09  Mike Stump  <mrs@apple.com>
3025         * config/darwin.c (no_dead_strip): Add.
3026         (HAVE_DEAD_STRIP): Add.
3027         (darwin_emit_unwind_label): Ensure that we don't dead code strip
3028         the .eh label.
3030 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3032         * tree-ssa-loop-im.c: New file.
3033         * Makefile.in (tree-ssa-loop-im.o): Add.
3034         * cfgloop.c (superloop_at_depth): New function.
3035         * cfgloop.h (superloop_at_depth): Declare.
3036         * common.opt (ftree-lim): New flag.
3037         * expr.c (array_ref_up_bound): New function.
3038         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
3039         * timevar.def (TV_LIM): New timevar.
3040         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
3041         computing immediate uses of a phi node.
3042         * tree-flow.h (struct tree_ann_common_d): Add aux field.
3043         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
3044         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
3045         * tree-pass.h (pass_lim): Declare.
3046         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
3047         functions.
3048         (pass_lim): New pass structure.
3049         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
3050         * tree.c (in_array_bounds_p): New function.
3051         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
3052         (in_array_bounds_p, array_ref_up_bound): Declare.
3053         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
3054         * doc/passes.texi (tree-ssa-loop-im.c): Document.
3056 2004-07-09  Richard Henderson  <rth@redhat.com>
3058         * builtins.c (expand_builtin_stpcpy): Don't modify len.
3060         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
3061         with prejudice.
3063 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
3065         * flags.h: Delete redundant prototypes that are being generated
3066         in options.h from common.opt.
3067         * common.opt: Add in the expository comments formerly in flags.h.
3069 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3071         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
3072         available for use only when TARGET_MMX/_SSE is set, and check for
3073         variable argument function if any register count is non-zero.
3074         (function_arg): Correctly suppress repeated warnings for passing SSE
3075         vectors are arguments without SSE enabled.
3076         (ix86_function_arg_boundary): Without SSE enabled, the use of what
3077         would be SSE register modes does no longer influence the alignment.
3079 2004-07-09  Richard Henderson  <rth@redhat.com>
3081         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
3082         Always align upward to arg boundary.  Use size_in_bytes/round_up.
3083         Maintain type-correctness of constants.
3084         * stor-layout.c (round_up, round_down): Special-case powers of 2.
3086 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
3088         * config/sparc/sparc.c (*_costs): Scale instruction costs
3089         by COSTS_N_INSNS.
3090         (sparc_rtx_costs): Adjust as appropriate.
3092 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3094         * config/i386/mm3dnow.h: New.
3095         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
3097 2004-07-09  Richard Henderson  <rth@redhat.com>
3099         * simplify-rtx.c (simplify_const_relational_operation): Only
3100         look at bounds of scalar integers.
3102 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3104         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
3106 2004-07-09  Andrew Pinski  <apinski@apple.com>
3108         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
3109         always referenced.
3110         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
3111         UOBJC_METACLASS_decl.
3113 2004-07-09  James E Wilson  <wilson@specifixinc.com>
3115         PR target/16364
3116         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
3117         do return a parallel if hfa_mode == XFmode and mode == TImode.
3119 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3121         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
3122         permissible for unary plus.
3124 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3126         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
3127         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
3128         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
3129         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
3130         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
3131         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
3132         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
3133         (BUILTIN_xxxIMAX): New.
3134         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
3135         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
3136         BUILT_IN_PARITYIMAX.
3138 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
3140         * config/sparc/sparc.h (processor_costs): Define.
3141         (sparc_costs): Declare.
3142         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
3143         hypersparc_costs, sparclet_costs, ultrasparc_costs,
3144         ultrasparc3_costs): New.
3145         (sparc_override_options): Set sparc_costs as appropriate.
3146         (sparc_rtx_costs): Use sparc_costs instead of messy
3147         conditionals.
3149 2004-07-09  Steven Bosscher  <stevenb@suse.de>
3151         * doc/md.texi (Processor pipeline description): Mention that
3152         the old pipeline description is deprecated.
3154         * config/rs6000/7450.md (automaton ppc7450): Split up, move
3155         mciu_7450 function unit to...
3156         (automaton ppc7450mciu): ...new automaton.
3158         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
3159         (schedule_block): Don't consider inserting bubbles.
3160         (sched_init): Don't initialize DFA bubbles.
3161         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
3162         TARGET_SCHED_DFA_BUBBLE): Remove.
3163         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
3164         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
3165         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
3167         * stmt.c (conditional_context): Remove prototype.
3168         * tree.h (conditional_context): Remove.
3169         * tree-cfg.c (pre_insert_on_edge): Remove.
3171         * c-common.h (c_expand_asm_operands): Remove prototype.
3172         * c-typeck.c (c_expand_asm_operands): Remove.
3174 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3176         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
3177         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
3178         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
3179         and V8QI are class SSE. All sufficiently small remaining vector modes
3180         must be passed in one or two integer registers.
3181         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
3182         returned in memory.
3183         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
3184         __builtin_ia32_pmuludq128 have non-uniform argument and return types
3185         and must thus be handled explicitly.
3186         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
3187         MMX and XMM regs.
3188         (movv8qi_internal, movv4hi_internal, movv2si_internal,
3189         movv2sf_internal): Permit moving between MMX and XMM registers (since
3190         MMX areguments and return values are passed in XMM registers).
3191         (sse2_umulsidi3): Correct type and mode.
3193 2004-07-09  Richard Henderson  <rth@redhat.com>
3195         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
3197 2004-07-09  Eric Christopher  <echristo@redhat.com>
3199         * config/rs6000/40x.md: Split into two automatons.
3201 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
3202             Andrew Pinski  <apinski@apple.com>
3204         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
3205         on when we have more than one input file.
3206         (c_common_parse_file): Restore loop over all input files.
3207         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
3209         * c-decl.c (set_type_context): New function.
3210         (pop_scope): Use it to set context of types.  When we
3211         encounter a TYPE_DECL, set the context of the attached type too.
3212         (pop_file_scope): Don't call cpp_undef_all here.
3213         (diagnose_mismatched_decls): Do not complain about a second
3214         definition of an 'extern inline' function if it's not in the
3215         same translation unit.  Do not complain about inline
3216         declaration after use if the use was in a different
3217         translation unit.
3218         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
3219         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
3220         the external scope.
3221         (pushdecl_top_level): Likewise.
3222         (grokdeclarator): Clarify what is going on with setting
3223         DECL_EXTERNAL on function types, a little.
3224         (c_write_global_declarations): Don't do anything if
3225         -fsyntax-only or errors have been encountered.
3227 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
3229         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
3231 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3233         PR target/16459
3234         * pa.c (output_indirect_call): Use %r2 as the link register when
3235         calling $$dyncall with a pc-relative branch.
3237 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
3239         * doc/install.texi (Binaries): Mention OpenPKG.
3241 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
3243         Fix PR tree-optimization/15555
3244         * tree-dfa.c (dump_variable): If the variable is a pointer
3245         SSA_NAME, also dump its points-to information.
3246         * tree-flow.h (struct ptr_info_def): Add field
3247         is_dereferenced.
3248         (dump_points_to_info_for): Declare.
3249         (debug_points_to_info_for): Declare.
3250         * tree-optimize.c (init_tree_optimization_passes): Add a
3251         second alias analysis pass after DOM2.
3252         Move pass_del_pta to a later spot.
3253         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
3254         create a name tags when we find a dereferenced pointer.  Just
3255         mark the pointer dereferenced.
3256         (collect_points_to_info_for): Move code to clear points-to
3257         information to create_name_tags.
3258         (create_name_tags): New function.
3259         (compute_flow_sensitive_aliasing): Call it.
3260         (setup_pointers_and_addressables): Mark type tags for renaming
3261         here instead of ...
3262         (create_memory_tag): ... here.
3263         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
3264         (dump_points_to_info_for): Declare extern.
3265         (debug_points_to_info_for): New function.
3267 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
3269         * config/arc/arc.md: Switch to DFA-based scheduler description.
3270         * config/arc/arc.c: Switch to DFA-based scheduler description.
3272 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
3274         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
3275         pointer.
3277 2004-07-09  Richard Henderson  <rth@redhat.com>
3279         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
3280         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3281         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
3282         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
3284         * config/v850/v850-protos.h (v850_va_arg): Remove.
3285         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3286         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
3287         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
3288         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
3289         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
3291 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
3293         PR target/12133
3294         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
3295         and DImode to use +/-4k offset.
3297 2004-07-09  Richard Henderson  <rth@redhat.com>
3299         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
3300         Remove.
3301         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3302         (xstormy16_gimplify_va_arg_expr): Rewrite from
3303         xstormy16_expand_builtin_va_arg.
3304         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
3306         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
3307         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
3309         * config/sh/sh-protos.h (sh_va_arg): Remove.
3310         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3311         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
3312         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
3314         * config/pa/pa-protos.h (hppa_va_arg): Remove.
3315         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3316         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
3317         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
3319         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
3320         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3321         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
3322         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
3324 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
3326         * config/sparc/sparc.md (return): Rewrite length formula.
3327         * config/sparc/sparc.c (output_return): Pass 1 as 5th
3328         argument to final_scan_insn when in a delay slot.
3329         (output_sibcall): Likewise.
3331 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
3333         * arm.c (arm_cpp_interwork): New variable.
3334         (arm_override_options): Set it if TARGET_INTERWORK was on the command
3335         line.
3336         * arm.h (arm_cpp_interwork): Declare it.
3337         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
3338         __THUMB_INTERWORK__ in the preprocessor.
3340 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
3342         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
3344 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
3346         PR target/16416
3347         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
3348         Override default settings to account for -m32 and -m64.
3350 2004-07-08  Randolph Chung  <tausq@debian.org>
3352         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
3354 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
3356         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
3357         before comparing it as such.
3359 2004-07-08  Richard Henderson  <rth@redhat.com>
3361         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
3362         temporary.  Use bit arithmetic to align.
3364 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
3366         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
3367         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
3368         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
3369         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
3370         add_labels_and_missing_jumps, find_jump_block,
3371         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
3372         Likewise.
3373         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
3374         link_btr_uses, move_btr_def): Likewise.
3375         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
3376         expand_builtin_expect_jump): Likewise.
3377         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
3378         * calls.c (expand_call, emit_library_call_value_1): Likewise.
3379         * cfganal.c (forwarder_block_p): Likewise.
3380         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
3381         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
3382         find_bb_boundaries): Likewise.
3383         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
3384         merge_blocks_move_predecessor_nojumps,
3385         merge_blocks_move_successor_nojumps, insns_match_p,
3386         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3387         try_optimize_cfg): Likewise.
3388         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
3389         * cfglayout.c (skip_insns_after_block, label_for_bb,
3390         record_effective_endpoints, insn_locators_initialize,
3391         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
3392         * cfgmainloop.c (create_loop_notes): Likewise.
3393         * cfgrtl.c (delete_insn, delete_insn_chain,
3394         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
3395         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
3396         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
3397         redirect_branch_edge, force_nonfallthru_and_redirect,
3398         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
3399         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
3400         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
3401         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
3402         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
3403         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
3404         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
3405         * combine.c (combine_instructions, can_combine_p, try_combine,
3406         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
3407         distribute_notes, distribute_links, insn_cuid): Likewise.
3408         * cse.c (fold_rtx, cse_insn, cse_around_loop,
3409         invalidate_skipped_block, cse_set_around_loop,
3410         cse_end_of_basic_block, cse_main, cse_basic_block,
3411         cse_condition_code_reg): Likewise.
3412         * cselib.c (cselib_process_insn): Likewise.
3413         * ddg.c (create_ddg): Likewise.
3414         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
3415         Likewise.
3416         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
3417         gen_label_die, dwarf2out_var_location): Likewise.
3418         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
3419         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
3420         last_call_insn, active_insn_p, next_label, prev_label,
3421         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
3422         add_insn_before, remove_insn, add_function_usage_to,
3423         reorder_insns, find_line_note, remove_unnecessary_notes,
3424         emit_insn_after_1, classify_insn): Likewise.
3425         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
3426         connect_post_landing_pads, sjlj_mark_call_sites,
3427         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
3428         can_throw_internal, can_throw_external, set_nothrow_function_flags,
3429         convert_to_eh_region_ranges): Likewise.
3430         * explow.c (optimize_save_area_alloca): Likewise.
3431         * expr.c (expand_expr_real): Likewise.
3432         * final.c (insn_current_reference_address, compute_alignments,
3433         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
3434         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
3435         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
3436         propagate_block_delete_insn, propagate_one_insn,
3437         init_propagate_block_info, propagate_block, libcall_dead_p,
3438         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
3439         Likewise.
3440         * function.c (instantiate_virtual_regs, reorder_blocks_1,
3441         expand_function_start, expand_function_end, contains,
3442         thread_prologue_and_epilogue_insns,
3443         reposition_prologue_and_epilogue_notes): Likewise.
3444         * gcse.c (constprop_register, bypass_conditional_jumps,
3445         insert_insn_end_bb, gcse_after_reload): Likewise.
3446         * genemit.c (gen_expand, gen_split): Likewise.
3447         * genpeep.c (gen_peephole, main): Likewise.
3448         * global.c (build_insn_chain): Likewise.
3449         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
3450         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
3451         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
3452         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
3453         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
3454         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
3455         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
3456         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
3457         dead_or_predicable): Likewise.
3458         * integrate.c (try_constants): Likewise.
3459         * jump.c (rebuild_jump_labels, cleanup_barriers,
3460         purge_line_number_notes, init_label_info, mark_all_labels,
3461         squeeze_notes, get_label_before, get_label_after,
3462         reversed_comparison_code_parts, simplejump_p, pc_set,
3463         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
3464         delete_barrier, delete_prior_computation, delete_computation,
3465         delete_related_insns, delete_for_peephole, redirect_jump):
3466         Likewise.
3467         * lcm.c (optimize_mode_switching): Likewise.
3468         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
3469         Likewise.
3470         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
3471         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
3472         * loop-iv.c (simplify_using_assignment): Likewise.
3473         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
3474         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
3475         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
3476         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
3477         check_insn_for_givs, check_final_value, update_giv_derive,
3478         basic_induction_var, product_cheap_p, check_dbra_loop,
3479         loop_insn_first_p, last_use_this_basic_block,
3480         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
3481         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
3482         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
3483         sms_schedule_by_order): Likewise.
3484         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
3485         * postreload.c (reload_cse_simplify_operands, reload_combine,
3486         reload_cse_move2add): Likewise.
3487         * predict.c (can_predict_insn_p, estimate_probability,
3488         expected_value_to_br_prob, process_note_predictions): Likewise.
3489         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
3490         * profile.c (branch_prob): Likewise.
3491         * ra-build.c (live_out_1, livethrough_conflicts_bb,
3492         detect_webs_set_in_cond_jump): Likewise.
3493         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
3494         ra_print_rtl_with_bb): Likewise.
3495         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
3496         * recog.c (next_insn_tests_no_inequality, find_single_use,
3497         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
3498         * reg-stack.c (next_flags_user, record_label_references,
3499         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
3500         compensate_edge, convert_regs_1): Likewise.
3501         * regclass.c (scan_one_insn): Likewise.
3502         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3503         regmove_optimize, fixup_match_1, single_set_for_csa,
3504         combine_stack_adjustments_for_block): Likewise.
3505         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
3506         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
3507         find_equiv_reg): Likewise.
3508         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
3509         reload_as_needed, emit_input_reload_insns, do_output_reload,
3510         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
3511         Likewise.
3512         * reorg.c (find_end_label, emit_delay_sequence,
3513         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
3514         get_jump_flags, rare_destination, mostly_true_jump,
3515         try_merge_delay_insns, redundant_insn, own_thread_p,
3516         fill_simple_delay_slots, fill_slots_from_thread,
3517         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
3518         dbr_schedule): Likewise.
3519         * resource.c (find_basic_block, next_insn_no_annul,
3520         find_dead_or_set_registers, mark_target_live_regs): Likewise.
3521         * rtl.h (RTX_PREV): Likewise.
3522         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
3523         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
3524         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
3525         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
3526         tablejump_p, computed_jump_p, insns_safe_to_move_p,
3527         find_first_parameter_load, can_hoist_insn_p): Likewise.
3528         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
3529         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
3530         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
3531         schedule_ebbs): Likewise.
3532         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
3533         is_conditionally_protected, can_schedule_ready_p,
3534         add_branch_dependences, debug_dependencies): Likewise.
3535         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
3536         Likewise.
3537         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
3538         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
3539         set_dominates_use, ujump_to_loop_cont): Likewise.
3540         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
3541         * varasm.c (output_constant_pool_1): Likewise.
3543 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3545         * tree-scalar-evolution.c: New file.
3546         * tree-scalar-evolution.h: New file.
3547         * tree-ssa-loop-niter.c: New file.
3548         * Makefile.in (SCEV_H): New.
3549         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
3550         * cfgloop.h (struct loop): Add bounds field.
3551         * tree-flow.h (struct tree_niter_desc): New type.
3552         (number_of_iterations_cond, number_of_iterations_exit,
3553         loop_niter_by_eval, find_loop_niter_by_eval,
3554         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
3555         free_numbers_of_iterations_estimates): Declare.
3556         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
3557         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
3558         * doc/invoke.texi (max-iterations-to-track): Document.
3560 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
3562         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
3563         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
3564         (MODE_AFTER): Add cast appropriately.
3565         * config/sh/sh.md (movdi splitter): Likewise.
3566         (casesi_worker_2): Add const qualifier appropriately.
3567         (eh_return): Remove unused variable.
3568         (insv): Initialize v;
3570 2004-07-08  Richard Henderson  <rth@redhat.com>
3572         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
3573         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3574         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
3575         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
3576         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
3578         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
3579         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3580         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
3581         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
3583         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
3584         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3585         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
3586         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
3588         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
3589         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3590         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
3591         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
3593         * config/i860/i860-protos.h (i860_va_arg): Remove.
3594         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3595         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
3596         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
3598 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3600         * system.h: Prototype getpagesize if missing.
3601         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
3602         * configure: Regenerate.
3603         * config.in: Regenerate.
3605 2004-07-08  Richard Henderson  <rth@redhat.com>
3607         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
3608         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3609         (fr30_gimplify_va_arg_expr): New.
3610         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
3611         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
3613 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
3615         PR target/16414
3616         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
3617         of asm_noperands result.
3619 2004-07-08  Richard Henderson  <rth@redhat.com>
3621         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
3622         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3623         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
3624         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
3626 2004-07-08  Richard Henderson  <rth@redhat.com>
3628         * builtins.c (ind_gimplify_va_arg_expr): New.
3629         * tree.h (ind_gimplify_va_arg_expr): Declare.
3630         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
3632 2004-07-08  Jan Beulich  <jbeulich@novell.com>
3634         * expmed.c (extract_bit_field): Correct condition to use vec_extract
3635         patterns also on vector elements other than the first one.
3636         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
3637         break statements.
3639 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
3641         * config/rs6000/darwin-ldouble.c: Correct reference
3642         to the Linnainmaa paper.
3644 2004-07-08  Richard Henderson  <rth@redhat.com>
3646         * config/arc/arc-protos.h (arc_va_arg): Remove.
3647         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3648         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
3649         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
3651         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
3652         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3653         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
3654         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
3656 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3658         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
3660 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
3662         * c-decl.c (static_ctors, static_dtors): Make static.
3663         (pop_file_scope): Call c_common_write_pch and
3664         cgraph_finalize_compilation_unit here.
3665         (build_cdtor): Moved here from c-objc-common.c; simplify.
3666         (c_write_global_declarations_1): Clarify comment.
3667         (c_write_global_declarations): Close the external scope before
3668         doing anything else.  Call build_cdtor, cgraph_optimize, and
3669         mudflap_finish_file here.
3670         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
3671         Clarify comment.
3672         * c-objc-common.c: No need to include cgraph.h.
3673         (build_cdtor): Moved to c-decl.c.
3674         (c_objc_common_finish_file): Delete.
3675         * c-tree.h: Update to match.
3676         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
3677         (generate_static_references): Set TREE_USED before calling finish_decl.
3678         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
3679         on the static_instances_decl.
3681 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
3683         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
3684         decls when there is only one input translation unit.
3685         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
3686         change of 2004-07-05; do not treat declarations with
3687         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
3688         * opts.c (cur_in_fname): Delete.
3689         * opts.h: Likewise.
3690         * tree.c: Revert changes of 2004-07-05; no special treatment
3691         for TRANSLATION_UNIT_DECLs.
3692         * Makefile.in (tree.o): Update dependencies.
3694 2004-07-08  Roger Sayle  <roger@eyesopen.com>
3696         * builtins.c (fold_builtin_strcpy): Merge functionality from
3697         simplify_builtin_strcpy.  Add additional len argument.  No longer
3698         static.  Remove function prototype.
3699         (fold_builtin_strncpy): Likewise integrate functionality from
3700         simplify_builtin_strncpy.  Add additional slen argument.  No
3701         longer static.  Remove function prototype.
3702         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
3703         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
3704         types of "ignore" and "unlocked" parameters to bool.
3705         (fold_builtin_1):  Add additional ignore argument.  Call renamed
3706         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
3707         builtins.  Update arguments to fold_builtin_strncpy and
3708         fold_builtin_strcpy.  Add function prototype.
3709         (fold_builtin): Add additional Boolean ignore argument to pass
3710         to fold_builtin_1.
3711         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
3712         and fold_builtin_strncpy instead of simplify_builtin_fputs,
3713         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
3715         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
3716         simplify_builtin_strncpy): Delete function prototypes.
3717         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
3718         fold_builtin_strncpy): Add function prototypes here.
3719         (fold_builtin): Update function prototype with new "bool ignore".
3721         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
3722         (ccp_fold_builtin):  Update call to fold_builtin.  Call
3723         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
3724         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
3725         simplify_builtin_strncpy respectively.
3726         * fold-const.c (fold): Update call to fold_builtin.
3728 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
3730         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
3731         to strcpy.
3733         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
3734         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
3735         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
3736         * calls.c: Remove ifdefs of macros above.
3737         * functions.c: Likewise.
3738         * expr.c: Likewise.
3740 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3742         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
3743         (arch attribute): Delete.
3744         (current_function_calls_alloca attribute): Rename into calls_alloca.
3745         (calls_eh_return): New attribute.
3746         (leaf_function): Likewise.
3747         (length attribute): Fix formula for sibcalls.
3748         (return insn): Correctly compute the 'length' attribute.
3749         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
3751 2004-07-08  Richard Henderson  <rth@redhat.com>
3753         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
3754         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
3755         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
3756         * tree-eh.c (lower_eh_constructs_1): Likewise.
3757         * tree-sra.c (sra_walk_modify_expr): Likewise.
3758         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
3759         (eliminate_unnecessary_stmts): Likewise.
3760         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3761         * tree-tailcall.c (optimize_tail_call): Likewise.
3762         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
3764 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
3765             Jakub Jelinek  <jakub@redhat.com>
3767         * config/i386/i386.c (override_options): Enable
3768         SSE prefetches with -mtune, as long as we are
3769         compiling for i686 or higher.  All i686 processors
3770         accept SSE prefetches as NOPS, some i586's don't.
3772 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3774         PR target/10567
3775         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
3777 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
3779         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
3780         the handling of clobbering ASM_EXPRs.
3782 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3784         PR target/16430
3785         * config/sparc/sparc.c (function_value): In 64-bit mode,
3786         return the aggregates larger than 16 bytes like unions.
3788 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3790         PR target/16199
3791         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
3792         'temp' is zero, generate new pseudos as needed and emit the
3793         sequence of insns in single-assignment form.  Resync comments
3794         with code.
3795         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
3796         function before reload.
3798 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
3800         * vec.c (vec_assert_fail): Remove duplicate 'function'.
3802         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
3804         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
3805         Allocation is signed.
3806         (VEC_reserve): Return flag, allocation is signed.
3808 2004-07-08  Richard Henderson  <rth@redhat.com>
3810         * tree-ssa-ccp.c (fold_stmt): Get type directly from
3811         OBJ_TYPE_REF_OBJECT.
3813 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
3814             Neil Booth  <neil@daikokuya.co.uk>
3816         PR c/2511
3817         PR c/3325
3818         * c-decl.c (finish_struct): Ensure bit-fields are given the
3819         correct type.
3820         * c-common.c (c_common_signed_or_unsigned_type): For C, require
3821         the precision to match as well as the mode.
3822         * expr.c (reduce_to_bit_field_precision): New function.
3823         (expand_expr_real_1): Reduce expressions of bit-field type to
3824         proper precision.
3825         * langhooks.h (reduce_bit_field_operations): New hook.
3826         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
3827         Define.
3828         * c-lang.c, objc/objc-lang.c
3829         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
3830         * objc/objc-act.c (check_ivars): Convert types to bit-field types
3831         before checking.
3832         * tree.c (build_nonstandard_integer_type): New function.
3833         * tree.h (build_nonstandard_integer_type): New prototype.
3834         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
3835         conversions between integer and boolean types as useless.
3837 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
3839         * c-common.c (c_common_nodes_and_builtins): Do not
3840         create __builtin_ptrdiff_t and __builtin_size_t.
3842 2004-07-08  Andrew Pinski  <apinski@apple.com>
3844         * Makefile.in (libbackend.o): Add -combine to the gcc
3845         command line.
3847 2004-07-08  Nick Clifton  <nickc@redhat.com>
3849         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
3850         Set to -Os.
3852 2004-07-08  Richard Henderson  <rth@redhat.com>
3854         * except.c (expand_eh_region_start, expand_eh_region_end,
3855         expand_eh_handler, expand_eh_region_end_cleanup,
3856         expand_start_all_catch, expand_start_catch, expand_end_catch,
3857         expand_end_all_catch, expand_eh_region_end_allowed,
3858         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
3859         expand_eh_region_end_fixup): Remove.
3860         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
3861         cleanups, outer_cleanups, label_chain, exception_region.
3862         (struct goto_fixup): Remove stack_level, cleanup_list_list.
3863         (struct label_chain): Remove.
3864         (struct stmt_status): Remove x_stack_block_stack.
3865         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
3866         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
3867         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
3868         end_cleanup_deferral, last_cleanup_this_contour,
3869         containing_blocks_have_cleanups_or_stack_level,
3870         any_pending_cleanups): Remove.
3871         (expand_null_return_1): Take no arguments.
3872         (expand_label, expand_naked_return, expand_return,
3873         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
3874         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
3875         expand_end_case_type): Don't use any of them.
3876         * calls.c (expand_call): Likewise.
3877         * dojump.c (do_jump): Likewise.
3878         * function.c (expand_function_end): Likewise.
3879         * expr.c (store_expr, expand_expr_real_1): Likewise.
3880         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
3881         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
3882         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
3883         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
3884         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
3885         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
3886         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
3887         for WITH_CLEANUP_EXPR.
3888         (gimple_push_cleanup): Likewise.
3889         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
3890         * print-tree.c (print_node): Likewise.
3891         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
3892         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
3893         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
3894         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
3895         (GOTO_SUBROUTINE_EXPR): Remove.
3896         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
3897         (DECL_TOO_LATE): Remove.
3898         * except.h, tree.h: Update decls.
3900 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
3902         * explow.c (optimize_save_area_alloca): Do not accept parameters.
3903         * passes.c (rest_of_handle_final): Handle symout.
3904         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
3905         Push timevar here.
3906         (rest_of_handle_sched): Break out SMS.  Remove ifs for
3907         flag_schedule_insns and flag_modulo_sched.
3908         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
3909         collect at the end.
3910         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
3911         (rest_of_handle_partition_blocks, rest_of_handle_sms,
3912         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
3913         rest_of_handle_mode_switching, rest_of_handle_jump,
3914         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
3915         rest_of_handle_jump2, rest_of_handle_postreload,
3916         rest_of_handle_flow2, rest_of_clean_state,
3917         rest_of_handle_shorten_branches,
3918         rest_of_handle_prologue_epilogue,
3919         rest_of_handle_branch_target_load_optimize): New.
3920         (rest_of_compilation): Call the above.  Remove ggc_collect
3921         calls moved to rest_of_handle_*.
3922         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
3924         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
3925         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
3926         * except.h (set_nothrow_function_flags): Update comment.
3927         * function.c (current_function_nothrow): Remove.
3928         * output.h (current_function_nothrow): Remove.
3929         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
3930         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
3932 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3934         PR bootstrap/16326
3935         * reorg.c: Revert 2004-06-30 change.
3936         (find_end_label): If HAVE_epilogue and !HAVE_return,
3937         return 0 instead of creating a label at the end of the insn chain.
3938         (optimize_skip): Account for the failure mode of find_end_label.
3939         (fill_simple_delay_slots): Likewise.
3940         (fill_slots_from_thread): Likewise.
3941         (relax_delay_slots): Likewise.
3943 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
3945         * tree-flow.h (addressable_vars): Declare.
3946         * tree-ssa-alias.c (addressable_vars): Define.
3947         (setup_pointers_and_addressables): Add addressable variables
3948         to addressable_vars.
3949         * tree-ssa-operands.c (get_stmt_operands): Move
3950         handling of ASM_EXPRs ...
3951         (get_asm_expr_operands): ... here.
3952         When the ASM_EXPR clobbers memory, also clobber addressable
3953         variables.
3954         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
3955         (delete_tree_ssa): Reset addressable_vars.
3957 2004-07-07  Jan Beulich  <jbeulich@novell.com>
3958             Richard Henderson  <rth@redhat.com>
3960         * varasm.c (assemble_variable): Use assemble_zeros for
3961         zero-initialized variables.
3962         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
3963         for SECCAT_BSS and SECCAT_TBSS.
3965 2004-07-07  Jan Beulich  <jbeulich@novell.com>
3967         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
3969         * expmed.c (emit_store_flag): Also special-case double-word
3970         (in-)equality comparison against -1.
3972         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
3973         passing arguments the containers for which are registers.
3975         * calls.c (emit_library_call_value_1): Use mode of function parameter
3976         rather than that of argument since constants have none.
3978 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
3980         Introduce H8SX support.
3981         * expr.c (expand_strcpy): Renamed and moved to...
3982         * builtins.c (expand_movstr): ... here.  Tweak.
3983         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
3984         computed or has side effects.
3985         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
3986         unused, or if mempcpy fails.  Adjust the return value in the
3987         latter case.  Use movstr if everything else fails.
3988         * doc/md.texi (movstr): Document.
3989         (movmemM, clrmemM): Fix explanation of memory block operands.
3990         * config/h8300/h8300.md (stpcpy): Renamed to...
3991         (movstr): ... this.  Adjust.
3992         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
3993         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
3994         movmem* and clrstr* to clrmem*.
3995         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
3996         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
3997         GENERAL_REGS, always.
3998         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
3999         getting the stack pointer as addr.
4000         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
4001         from general_operand_dst.
4002         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
4003         variant of...
4004         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
4005         instead of requiring it to match only before reload.
4006         (stpcpy_internal_normal): New, normal-mode variant of...
4007         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
4008         `D' instead of requiring it to match only before reload.
4009         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
4010         mode argument.
4011         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
4012         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
4013         h8300_get_index.
4014         * config/h8300/h8300.md (attr type): Add call.
4015         (attr can_delay): If type is call, set it no.
4016         (call, call_value): Set type to call.
4017         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
4018         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
4019         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
4020         * tree.c (get_narrower): Don't narrow integral types into
4021         non-integral types.
4022         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
4023         frame_size *before* the first use.
4024         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
4025         on input.
4026         (peephole2): Don't widen instructions that push SP.  Move
4027         decrement of SP to the end of all stm-generating peepholes.
4028         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
4029         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
4030         and OR to set it to all ones.
4031         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
4032         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
4033         (call, call_value): Set can_delay to "no".
4034         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
4035         * config/h8300/h8300.md (extzv): Make subreg check more robust.
4036         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4037         * config/h8300/h8300.md (*brabit): Remove.
4038         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
4039         zero_extract.  Use bit_memory_operand as the predicate for
4040         operand 1 and 'WU' as the constraint.  Check the difference
4041         between the base length and the final one when deciding which
4042         type of branch to use.
4043         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4044         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
4045         Use convert_move to extend the result for TARGET_H8300SX.  Check
4046         for QImode memory references.  Optimize the case where the
4047         destination is a paradoxical subreg.
4048         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4049         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
4050         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
4051         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4052         * config/h8300/h8300.md: Include mova.md
4053         (length_table): Add mova and mova_zero.
4054         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
4055         after all constant addresses for '%R', '%X', '%T' and '%S'.
4056         (h8300_mova_length): New function.
4057         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
4058         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
4059         dependencies for s-config, etc.
4060         * config/h8300/gemova.sh: New file.
4061         * config/h8300/mova.md: Generated.
4062         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
4063         * config/h8300/h8300.c (h8300_bitfield_length): New.
4064         (nibble_operand): Adjust.
4065         (h8300_binary_length): Handle conditional binary op.
4066         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
4067         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
4068         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
4069         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
4070         constraints.  WU is introduced as a variant of U that requires a
4071         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
4072         * config/h8300/h8300.md (attr type): Added bitbranch.
4073         (attr length_table): Added bitfield and bitbranch.
4074         (attr length): Compute bitbranch length.
4075         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
4076         least-significant bit of a byte.
4077         (brabit, brabc, brabs): New.
4078         (insv, extzv): Emit bfst and bfld on H8300SX.
4079         (bfld, bfst, seq, sne): New.
4080         (bstzhireg, cmpstz, bstz, bistz): New.
4081         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
4082         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
4083         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
4084         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
4085         (h8sx_unary_memory_operator): New function.
4086         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
4087         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
4088         * config/h8300/h8300.md: Add peepholes to combine reloads and
4089         arithmetic insns.
4090         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
4091         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
4092         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
4093         (and?i, ior?i, xor?i): Likewise.
4094         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
4095         * config/h8300/h8300.c: Move enums and prototypes to head of file.
4096         Various whitespace fixes.
4097         (h8300_constant_length): New function, split out from...
4098         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
4099         (h8300_classify_operand): Use IN_RANGE.
4100         (h8300_classify_operand): Use h8300_constant_length.
4101         (h8300_short_move_mem_p): Tighten size check.
4102         (h8sx_mergeable_memrefs_p): Tighten equality check.
4103         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
4104         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
4105         for -msx.
4106         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
4107         * config/h8300/crtn.asm: Likewise.
4108         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
4109         if __H8300SX__ is defined.
4110         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
4111         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
4112         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
4113         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
4114         addresses as mode-dependent.
4115         * config/h8300/h8300.c (print_operand_address): Update call to
4116         h8300_get_index.
4117         (h8300_get_index): Take a mode argument.  Rework to fix an
4118         earlier misunderstanding.
4119         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
4120         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
4121         into a register if TARGET_H8300SX.
4122         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
4123         TARGET_H8300SX.  Also disable related define_splits.
4124         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
4125         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
4126         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
4127         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
4128         * config/h8300/h8300.h (OK_FOR_Z): New macro.
4129         (EXTRA_CONSTRAINT_STR): Check it.
4130         * config/h8300/h8300.c (h8300_classify_operand): Accept null
4131         class arguments.
4132         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
4133         * config/h8300/h8300.md (length_table): Add mov_imm4.
4134         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
4135         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
4136         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
4137         be a label.
4138         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
4139         * config/h8300/h8300.c (h8300_reorg): New function.
4140         (TARGET_MACHINE_DEPENDENT_REORG): Define.
4141         * config/h8300/h8300.md (length): Subtract the length of the
4142         delay slot from (pc) when checking the range of forward branches.
4143         (delay_slot, can_delay): New attributes.
4144         (define_delay): Add bra/s handling.
4145         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
4146         (jump): Add delayed-branch handling.
4147         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
4148         * expr.c (expand_strcpy): New function.
4149         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
4150         (expand_builtin_stpcpy): Likewise.
4151         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
4152         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
4153         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
4154         handling to improve register allocation for -fno-omit-frame-pointer.
4155         (h8sx_split_movmd): Delete, moving er6 handling into...
4156         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
4157         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
4158         (movmd): Add calls to copy_rtx.
4159         (movmd_internal): In the second alternative, allow the initial and
4160         final destination registers to be different .  Update the splitter
4161         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
4162         instead of h8sx_split_movmd.
4163         (stpcpy, movsd): New expanders.
4164         (movsd_internal): New define_insn.
4165         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
4166         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
4167         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
4168         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
4169         and DESTINATION_REGS.
4170         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
4171         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
4172         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
4173         (h8300_move_ratio): Declare.
4174         (MOVE_RATIO): Use it.
4175         * config/h8300/h8300.c (h8300_move_ratio): New variable.
4176         (h8300_init_once): Initialize it.
4177         (h8300_reg_class_from_letter): New function.
4178         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
4179         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
4180         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
4181         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
4182         (movstrsi, movmd): New expanders.
4183         (movmd_internal): New insn.
4184         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
4185         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
4186         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
4187         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
4188         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
4189         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
4190         * config/h8300/h8300.c (nibble_operand): Fix warning.
4191         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
4192         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
4193         (movsf_h8300h): Disable for TARGET_H8300SX.
4194         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
4195         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
4196         h8300_stm_parallel and h8300_return_parallel.
4197         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
4198         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
4199         h8300_stm_parallel, h8300_return_parallel): New functions.
4200         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
4201         if TARGET_H8300SX.  Use h8300_push_pop.
4202         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
4203         and final pop when generating h8sx code.  Always emit some form
4204         of return insn.
4205         * config/h8300/h8300.md: Don't enforce register alignment in
4206         stm peepholes if TARGET_H8300SX.
4207         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
4208         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
4209         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
4210         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
4211         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
4212         (MULTILIB_DIRNAMES): Add a directory for it.
4213         (MULTILIB_MATCHES): Delete.
4214         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
4215         * final.c (walk_alter_subreg): Handle addresses with subregs
4216         inside a ZERO_EXTEND or AND.
4217         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
4218         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
4219         if TARGET_H8300SX.
4220         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
4221         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
4222         @(dd,Rn.w) and @(dd,ERn.L).
4223         (h8300_displacement_size): Take the whole address as argument.
4224         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
4225         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
4226         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
4227         (h8sx_mergeable_memrefs_p): Declare.
4228         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
4229         (HAVE_PRE_INCREMENT): Likewise.
4230         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
4231         addresses for TARGET_H8300SX,
4232         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
4233         and POST_DEC.
4234         (movb_length_table, movl_length_table): New tables.
4235         (movw_length_table): Define to movb_length_table.
4236         (h8300_displacement_size): New, split out from...
4237         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
4238         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
4239         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
4240         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
4241         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
4242         (compute_plussi_length, compute_plussi_cc): Update accordingly.
4243         (h8sx_unary_shift_operator): Get the mode from the operator.
4244         (binary_shift_operator): Likewise.
4245         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
4246         a memory reference, check whether the reference is offsettable.
4247         (length_table): Add movb, movw and movl.
4248         (movqi): Add new h8sx pattern.  Don't force one operand to be a
4249         register when generating h8sx code.
4250         (movhi, movsi, movsf): Likewise.
4251         (movstrictqi): Use the length_table attribute.
4252         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
4253         (addqi3): Split into a define_expand and define_insn.  Don't accept
4254         memory operands in the expander.  Use h8300_operands_match_p to
4255         check for matching operands in the define_insn.
4256         (subqi3, negqi2, one_cmplqi2): Likewise.
4257         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
4258         in any patterns that are unused in h8sx code.  In the h8sx patterns,
4259         use h8300_operands_match_p to check whether operands match.
4260         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
4261         one_cmpl[hs]i3): Likewise.
4262         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
4263         in the expander.
4264         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
4265         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
4266         (h8300_insn_length_from_table): Add a second parameter.
4267         (output_h8sx_shift): Declare.
4268         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
4269         (EXTRA_CONSTRAINT): Replace with...
4270         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
4271         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
4272         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
4273         and h8sx_binary_shift_operator.
4274         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
4275         for TARGET_H8300SX.
4276         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
4277         (bit_memory_operand, fix_bit_operand): Likewise.
4278         (h8300_length_table_for_insn): Remove.
4279         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
4280         instructions.
4281         (h8300_short_immediate_length, h8300_binary_length): New functions.
4282         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
4283         (output_plussi): Use sub to add negative constants.
4284         (compute_plussi_length): Adjust accordingly.
4285         (h8sx_single_shift_type): New enum.
4286         (h8sx_single_shift, h8sx_unary_shift_operator,
4287         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
4288         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
4289         single h8sx instruction.  Return false in this case.
4290         * config/h8300/h8300.md (length_table): Add short_immediate.
4291         (length): Pass the operand array to h8300_insn_length_from_table.
4292         (adjust_length): Assume "no" for insns with a length_table attribute.
4293         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
4294         (*addhi3_h8300hs): Don't use for h8sx.
4295         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
4296         and sub.w #xx:3.
4297         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
4298         1's predicate to nonimmediate_operand.  Only skip default expansion
4299         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
4300         for single h8sx shift instructions.
4301         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
4302         * config/h8300/h8300.c (nibble_operand): Split out of...
4303         (reg_or_nibble_operand): ... this.
4304         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
4305         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
4306         umulhisi3): Introduce expand, and introduce separate insns for
4307         sign- or zero-extended REG and already-extended CONST_INT.
4308         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
4309         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
4310         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
4311         (subhi3): Likewise.  Don't accept immediates for operand 1.
4312         Remove the early clobber from second alternative of the h8300s pattern.
4313         (subsi3): Generalize for h8sx.  Force operand 2 into a register
4314         on plain h8300 targets.
4315         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
4316         (subsi3_h8300h): Generalize for h8sx.
4317         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
4318         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
4319         * config/h8300/h8300.c (reg_or_nibble_operand): New.
4320         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
4321         (TARGET_H8300SXMUL): New.
4322         (CONST_OK_FOR_P): New.
4323         (CONST_OK_FOR_LETTER_P): Adjust.
4324         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
4325         umulhisi3): Accept 4-bit immediate on H8SX.
4326         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
4327         (udivsi3, divhi3, udivsi3, divsi3): New.
4328         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
4329         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
4330         * config/h8300/h8300.h (OK_FOR_Q): New macro.
4331         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
4332         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
4333         Add ADDRESSOF to the bit_operand entry.
4334         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
4335         (h8300_src_operand): Likewise.
4336         (bit_operand): Check nonimmediate_operand rather than general_operand.
4337         Accept any nonimmediate_operand in h8sx code.
4338         (h8300_and_costs): Initialize operands[1].
4339         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
4340         (h8300_operand_class): New enum.
4341         (h8300_length_table): New typedef.
4342         (addb_length_table, addw_length_table, addl_length_table,
4343         logicl_length_table): New tables.
4344         (logicb_length_table, logicw_length_table): New macros.
4345         (h8300_classify_operand, h8300_length_from_table,
4346         h8300_length_table_for_insn, h8300_unary_length,
4347         h8300_insn_length_from_table): New functions.
4348         (output_plussi): Only use adds and subs for register destinations.
4349         Disable redundant clause.
4350         (compute_plussi_cc): Likewise.
4351         (compute_plussi_length): Likewise.  Use h8300_length_from_table
4352         to work out the length of an insn.
4353         (output_logical_op): Only use narrower immediate instructions
4354         if the destination is a register.
4355         (compute_logical_op_cc): Likewise.
4356         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
4357         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
4358         * config/h8300/h8300.md (length_table): New attribute.
4359         (length): When an instruction has a length_table attribute, use
4360         h8300_insn_length_from_table to calculate its default length.
4361         (cmpqi): Use h8300_dst_operand for the first operand and
4362         h8300_src_operand for the second.
4363         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
4364         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
4365         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
4366         iorsi3, xorhi3, xorsi3): Likewise.
4367         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
4368         so that it allows any combination of operands for TARGET_H8300SX.
4369         (iorqi3, xorqi3): Likewise.
4370         (cmpqi): Use the length_table attribute.
4371         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
4372         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
4373         (cmpqi): Add 'Q' constraint.
4374         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
4375         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
4376         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
4377         * config/h8300/h8300.h (MASK_H8300SX): New macro.
4378         (TARGET_H8300S): True for both -ms and -msx.
4379         (TARGET_H8300SX): New macro.
4380         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
4381         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
4382         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
4383         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
4384         [Temporary change.]
4385         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
4386         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
4387         16-bit pointers and 32-bit ints.
4388         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
4389         CONST_DOUBLE with mode no wider than SImode.
4390         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
4391         output operand.
4392         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
4393         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
4394         or SUBREG thereof.
4395         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
4396         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
4397         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
4399 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
4401         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
4403 2004-07-07  Per Bothner  <per@bothner.com>
4405         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
4407 2004-07-07  Mike Stump  <mrs@apple.com>
4409         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
4410         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
4411         (machopic_finish): Likewise.
4413 2004-07-07  Richard Henderson  <rth@redhat.com>
4415         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
4416         through any value-preserving cast.
4418 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
4420         * function.c (assign_parm_find_data_types): Call
4421         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
4423 2004-07-07  Steven Bosscher  <stevenb@suse.de>
4425         * tree-cfg.c (group_case_labels): Remove case labels that have
4426         the same target as the default case.
4428 2004-07-07  Steven Bosscher  <stevenb@suse.de>
4430         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
4431         regardless of DECL_LANG_SPECIFIC being present or not.
4432         * tree.h (DECL_NUM_STMTS): Purge.
4434 2004-07-07  Andrew Pinski  <apinski@apple.com>
4436         * configure: Regenerate with the right autoconf.
4438 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
4440         * ifcvt.c (total_bb_rtx_cost): New function.
4441         (find_if_case_1): Compare rtx_cost of basic block to cost of
4442         BRANCH_COST insns.
4443         (find_if_case_2): Same.
4445 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4447         PR target/10567
4448         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
4449         (output_return): Likewise.
4450         (output_sibcall): Abort if !flag_delayed_branch.
4451         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
4452         (emit_and_preserve): New function.
4453         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
4454         indirect jump to the thunked-to function if !flag_delayed_branch.
4455         * config/sparc/sparc.md (delayed_branch): New attribute.
4456         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
4457         attribute to compute the length of the insn.
4458         (goto_handler_and_restore): Likewise.
4460 2004-07-07  Andrew Pinski  <apinski@apple.com>
4462         PR tree-optimization/15777
4463         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
4465         * expr.c (expand_expr_real_1): Fix formating.
4466         BUFFER_REF and IN_EXPR are dead.
4467         * fold-const.c (non_lvalue): BUFFER_REF is dead.
4468         * tree-inline.c (estimate_num_insns_1): Likewise.
4469         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
4470         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
4471         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
4473 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
4475         * collect2.c (dump_file): Don't call cplus_demangle if
4476         HAVE_LD_DEMANGLE is defined.
4477         (main): Pass "--demangle" to ld if no_demangle is not 0 and
4478         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
4479         if HAVE_LD_DEMANGLE is defined.
4481         * configure.ac (--with-demangler-in-ld): Added
4482         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
4483         --with-demangler-in-ld is used.
4484         * config.in: Regenerated.
4485         * configure: Likewise.
4487 2004-07-07  Roger Sayle  <roger@eyesopen.com>
4489         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
4490         for simple floating point operations "fp", double precision
4491         multiplication "dmul", and single and double precision division
4492         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
4493         (ppc630_cost): New table split from ppc620_cost, to distinguish
4494         differences in floating point latencies.
4495         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
4496         (rs6000_rtx_costs): Add support for single and double precision
4497         floating point addition, subtraction, multiplication, division,
4498         fused-multiply-add, fused-multiply-sub, negation, absolute value
4499         and negative absolute value.  Tweak MEM case to use prefered idiom.
4501 2004-07-07  Richard Henderson  <rth@redhat.com>
4503         * tree-flow-inline.h (may_propagate_copy): Move...
4504         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
4505         attempt to copy between types requiring conversion.
4506         * tree-flow.h (may_propagate_copy): Update decl.
4507         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
4509 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
4511         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
4512         from -mtune= option.
4514 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
4516         * builtins.c: Rename movstr*, except for movstrict*, to
4517         movmem* and clrstr* to clrmem*.
4518         * expr.c: Likewise.
4519         * expr.h: Likewise.
4520         * genopinit.c: Likewise.
4521         * integrate.c: Likewise.
4522         * local-alloc.c: Likewise.
4523         * optabs.c: Likewise.
4524         * optabs.h: Likewise.
4525         * config/alpha/alpha.h: Likewise.
4526         * config/alpha/alpha.md: Likewise.
4527         * config/arm/arm-protos.h: Likewise.
4528         * config/arm/arm.c: Likewise.
4529         * config/arm/arm.md: Likewise.
4530         * config/avr/avr.md: Likewise.
4531         * config/c4x/c4x.c: Likewise.
4532         * config/c4x/c4x.md: Likewise.
4533         * config/frv/frv.md: Likewise.
4534         * config/i386/i386-protos.h: Likewise.
4535         * config/i386/i386.c: Likewise.
4536         * config/i386/i386.h: Likewise.
4537         * config/i386/i386.md: Likewise.
4538         * config/i860/i860.c: Likewise.
4539         * config/i860/i860.md: Likewise.
4540         * config/ip2k/ip2k.md: Likewise.
4541         * config/ip2k/libgcc.S: Likewise.
4542         * config/ip2k/t-ip2k: Likewise.
4543         * config/m32r/m32r.c: Likewise.
4544         * config/m32r/m32r.md: Likewise.
4545         * config/mcore/mcore.md: Likewise.
4546         * config/mips/mips.c: Likewise.
4547         * config/mips/mips.md: Likewise.
4548         * config/ns32k/ns32k.c: Likewise.
4549         * config/ns32k/ns32k.h: Likewise.
4550         * config/ns32k/ns32k.md: Likewise.
4551         * config/pa/pa.c: Likewise.
4552         * config/pa/pa.md: Likewise.
4553         * config/pdp11/pdp11.h: Likewise.
4554         * config/pdp11/pdp11.md: Likewise.
4555         * config/rs6000/rs6000.c: Likewise.
4556         * config/rs6000/rs6000.md: Likewise.
4557         * config/s390/s390-protos.h: Likewise.
4558         * config/s390/s390.c: Likewise.
4559         * config/s390/s390.md: Likewise.
4560         * config/sh/lib1funcs.asm: Likewise.
4561         * config/sh/sh.c: Likewise.
4562         * config/sh/sh.md: Likewise.
4563         * config/sh/t-sh: Likewise.
4564         * config/sparc/sparc.h: Likewise.
4565         * config/vax/vax.md: Likewise.
4566         * config/xtensa/xtensa.c: Likewise.
4567         * config/xtensa/xtensa.md: Likewise.
4568         * doc/invoke.texi: Likewise.
4569         * doc/md.texi: Likewise.
4570         * doc/rtl.texi: Likewise.
4572 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
4574         PR target/16407
4575         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
4576         * config/mips/mips.c (mips_declare_common_object): New function,
4577         mostly split out from...
4578         (mips_output_aligned_decl_common): ...here.
4579         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
4580         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
4581         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
4582         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
4584 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4586         PR c/16392
4587         * function.c (assign_parms): Fix typo from previous change.
4589 2004-07-07  Jason Merrill  <jason@redhat.com>
4591         PR c++/15815
4592         * doc/extend.texi (C++ Interface): Correct information and
4593         discourage use.
4595 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
4597         PR target/16130
4598         PR target/16142
4599         PR target/16143
4600         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
4601         insn.
4603 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
4605         PR target/1679.
4606         * config/m32r/m32r.c (m32r_function_symbol): New function:
4607         Generate a symbol name RTX with the correct m32r specific flags
4608         set.
4609         (block_move_call): Use new function to generate correct symbol.
4610         * config/m32r/m32r-protos.h: Add prototype for new funcion.
4611         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
4612         function.
4614 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
4616         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
4617         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
4618         TYPE_BINFO_BASETYPE): Remove.
4619         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
4620         to ...
4621         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
4622         here.
4623         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
4624         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
4625         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
4626         (struct tree_binfo): Rename base_types to base_binfos.
4627         * alias.c (record_component_aliases): Adjust BINFO macros.
4628         * dbxout.c (dbxout_type): Likewise.
4629         * dwarf2out.c (gen_member_die): Likewise.
4630         * sdbout.c (sdbout_one_type): Likewise.
4631         * tree-dump.c (deque_and_dump): Likewise.
4632         * config/i386/i386.c (classify_argument,
4633         contains_128bit_aligned_vector_p): Likewise.
4635 2004-07-07  Nick Clifton  <nickc@redhat.com>
4637         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
4638         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
4640 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
4642         * vec.h: Fix the example use.
4644 2004-07-06  Richard Henderson  <rth@redhat.com>
4646         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
4647         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
4648         * tree-inline.c (copy_body_r, setup_one_parameter,
4649         initialize_inlined_parameters, expand_call_inline,
4650         declare_inline_vars): Don't check it.
4651         (expand_calls_inline): Remove old version, rename new version
4652         from gimple_expand_calls_inline.
4653         * tree-optimize.c (execute_gimple): Remove.
4654         (pass_gimple): Don't run anything.
4656 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
4658         * doc/sourcebuild.texi: Use semicolons instead of commas in
4659         section title.
4661 2004-07-06  Richard Henderson  <rth@redhat.com>
4663         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
4664         (sra_walk_modify_expr, scan_init): Likewise.
4665         (generate_element_zero): Check visited before scanning children.
4666         (generate_element_init): Set visited on error.
4667         (scalarize_init): Handle generate_element_init failure similar
4668         to use_block_copy.
4670 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
4672         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
4673         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
4675 2004-07-06  Richard Henderson  <rth@redhat.com>
4677         * config/i386/i386.c (legitimize_pic_address): Make static.
4678         (legitimize_address): Handle CONST with TLS operand.
4679         (ix86_expand_move): Don't call legitimize_pic_address directly.
4680         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
4682 2004-07-06  Roger Sayle  <roger@eyesopen.com>
4684         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
4685         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
4686         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
4687         is currently executed unconditionally, i.e. not in "else_bb".
4689 2004-07-06  Steven Bosscher  <stevenb@suse.de>
4691         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
4692         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4693         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
4694         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4695         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
4696         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4697         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
4698         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4699         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
4700         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4701         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
4702         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4703         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
4704         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4705         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
4706         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4708 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
4710         * dojump.c (do_jump): REFERENCE_EXPR is dead.
4711         * expr.c (expand_expr_real_1): Ditto.
4712         * tree-inline.c (estimate_num_insns_1): Ditto.
4713         * tree-pretty-print.c (dump_generic_node): Ditto.
4714         (op_symbol): Ditto.
4715         * tree.def: Ditto.
4717 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
4719         * tree-ssa-pre.c (reference_node_pool): New pool.
4720         (find_or_generate_expression): Class 'r' is okay too.
4721         (create_value_expr_from): Ditto.
4722         (add_to_sets): LHS should not include vuses.
4723         (eliminate): Ditto.
4724         (compute_avail): Reverse ordering of tests.
4725         Valuize INDIRECT_REF as well.
4727 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
4729         PR rtl-optimization/16380
4730         * loop.c (check_dbra_loop): Sink comparison instructions if they
4731         do something other than set cc0.
4733 2004-07-06  James E Wilson  <wilson@specifixinc.com>
4735         * doc/interface.texi (longjmp and automatic variables): Delete
4736         paragraph recommending taking the address of a variable.
4738 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
4740         * vec.h (VEC_embedded_alloc): Remove.
4741         (VEC_embedded_size, VEC_embedded_init): New.
4742         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
4743         MEM_STAT_INFO.
4744         (VEC_truncate): New.
4745         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
4746         (vec_embedded_alloc): Remove.
4747         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
4748         (vec_embedded_alloc): Remove.
4750 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
4752         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
4753         (gt-langhooks.h): Remove.
4755 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
4757         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
4759 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
4761         * config/sparc/sparc.c (get_pc_symbol): Rename into
4762         add_pc_to_pic_symbol.
4763         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
4764         (load_pic_register): Account for previous changes.
4765         Use reg_names.  Don't create the label twice.
4766         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
4767         UNSPEC_LOAD_PCREL_SYM.
4768         (get_pc): Rename into load_pcrel_sym.  Add predicate to
4769         operands.  Remove condition.
4771 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
4773         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
4774         RECORD, UNION & QUAL_UNION is actually a binfo.
4776         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
4777         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
4778         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
4779         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
4780         * dwarf2out.c (add_data_member_location_attribute): Likewise.
4781         (gen_inheritance_die): Likewise.
4782         * tree-dump.c (deque_and_dump): Likewise.
4783         * doc/c-tree.texi (Binfos): Add under reconstruction note.
4785 2004-07-06  Steven Bosscher  <stevenb@suse.de>
4787         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
4788         Define.
4789         * config/mcore/mcore.md: Model memory latency with a simple DFA
4790         pipeline description instead of a define_function_unit.
4792 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4794         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
4795         * langhooks.h (var_mod_type_p): Likewise.
4796         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
4797         * expr.c (count_type_elements): Properly handle return from
4798         array_type_nelts and properly test for overflow.
4799         * gimplify.c (gimplify_init_constructor): Properly handle return
4800         from array_type_nelts.
4801         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
4802         * integrate.c (copy_decl_for_inlining): Correct comments.
4803         * tree-inline.c (remap_decl): Update comments, remove dead code,
4804         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
4805         (remap_type): Only remap if variably modified by vars in function
4806         being inlined.
4807         (copy_body_r): Use compatible_type langhooks to see when can fold.
4808         (setup_one_parameter): Don't remap type.
4809         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
4810         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
4811         compute TREE_INVARIANT for decl case.
4812         (find_var_from_fn): New function.
4813         (variably_modified_type_p): Add arg and call new function.
4814         * tree.h (variably_modified_type_p): Add extra arg.
4816 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
4818         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
4819         (goto_handler_and_restore_v9): Delete disabled insn.
4820         (goto_handler_and_restore_v9_sp64): Likewise.
4822 2004-07-05  Roger Sayle  <roger@eyesopen.com>
4824         * calls.c (load_register_parameters): Call expand_shift instead
4825         of expand_binop with ashl_optab (or other shift optab) directly.
4826         * expr.c (emit_group_load, emit_group_store): Likewise.
4827         * function.c (assign_parm_setup_block): Likewise.
4828         * stmt.c (shift_return_value): Likewise.
4830 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
4832         * expr.c (expand_assignment): Disable the bitfield += optimizations.
4834 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4836         * doc/sourcebuild.texi: Revert previous patch.
4838 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4840         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
4841         TARGET_MEM_FUNCTIONS.
4842         * system.h: Poison TARGET_MEM_FUNCTIONS.
4843         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
4844         bcmp_libfunc, bzero_libfunc): Remove.
4845         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
4846         bzero_libfunc.
4847         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
4848         * doc/standards.texi: Don't mention calling BSD string functions.
4849         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
4850         * config/vax/t-memfuncs: New.
4851         * config/memcmp.c, config/memcpy.c, config/memmove.c,
4852         config/memset.c: New.
4853         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
4854         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
4855         vax/t-memfuncs.
4856         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
4857         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
4858         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
4859         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
4860         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
4861         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
4862         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
4863         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
4864         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
4865         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
4867 2004-07-05  Richard Henderson  <rth@redhat.com>
4869         * function.c (assign_parm_setup_reg): Properly rename variables in
4870         FUNCTION_ARG_CALLEE_COPIES section.
4872 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
4874         * tree-mudflap.c: Include cgraph.h.
4875         (mf_init_extern_trees): Rename to mudflap_init.  Export.
4876         Rewrite to create synthetic declarations instead of looking
4877         up declarations from mf-runtime.h.
4878         (mf_make_builtin, mf_make_cache_struct_type): New functions.
4879         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
4880         Correct commentary.
4881         (execute_mudflap_function_decls, mudflap_register_call):
4882         Don't call mf_init_extern_trees.
4883         (mudflap_finish_file): Use cgraph_build_static_cdtor.
4885         * tree-mudflap.h: Update prototypes.
4886         * c-mudflap.c: Delete file.
4887         * c-common.c: Include tree-mudflap.h.
4888         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
4889         * Makefile.in: Remove all references to c-mudflap.o.
4890         Update dependencies.
4892 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4894         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
4895         displacements with the spatial-locality cache-control completer.
4897 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
4899         * langhooks.c: Don't include gt-langhooks.h.
4900         (var_labelno): Delete.
4901         (lhd_set_decl_assembler_name): Do not append a distinguishing
4902         number to file-scope internal-linkage declarations for the first
4903         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
4904         the declaration itself (if at block scope), or its containing
4905         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
4906         number.
4908         * opts.c (cur_in_fname): New global.
4909         * opts.h: Declare it.
4910         * tree.c: Include opts.h.
4911         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
4912         DECL_UID equal to cur_in_fname.
4913         (copy_node_stat): Do not change DECL_UID when copying a
4914         TRANSLATION_UNIT_DECL.
4915         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
4916         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
4918         * c-decl.c (c_static_assembler_name): Delete.
4919         * c-tree.h (c_static_assembler_name): Delete prototype.
4920         * c-lang.c, objc/objc-lang.c: Don't override
4921         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
4923         * Makefile.in (tree.o): Update dependencies.
4924         (GTFILES): Remove langhooks.c.
4926 2004-07-05  Roger Sayle  <roger@eyesopen.com>
4928         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
4929         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
4930         Normalize "X % C" as "X % -C" for signed modulus and negative C.
4931         Optimize "X % -Y" as "X % Y" for signed modulus.
4932         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
4933         into "((unsigned) X % Y) == 0".
4935 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4937         * sourcebuild.texi (Config Fragments): Use @comma{} in
4938         cross-reference to section title.
4940 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4942         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
4943         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
4944         (gimplify_target_expr, gimplify_expr): Likewise.
4945         (copy_if_shared_r): No longer need special case for BIND_EXPR.
4946         (unshare_body, unvisit_body): Only look at nested if BODY_P is
4947         whole function.
4948         (gimplify_compound_lval): See if we can strip any useless conversion.
4949         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
4950         from RHS, not LHS.
4951         (gimplify_modify_expr_to_memset): Likewise.
4952         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
4953         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
4954         (declare_inline_vars): Likewise.
4955         (walk_type_fields): New function.
4956         (walk_tree): Use it.
4957         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
4959         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
4960         (sra_walk_modify_expr): Allow init function to fail.
4961         (scan_init): Now returns bool.
4962         (generate_element_init): If can't understand INIT, return false.
4963         (scalarize_init): Return false if generate_element_init does.
4965         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
4966         print bounds.
4968         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
4969         bounds if bounds aren't constant.
4971         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
4973         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
4974         to type hooks; remove bogus PARAMS.
4976 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
4978         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
4979         * dwarf2out.c (add_data_member_location_attribute): Check for
4980         TREE_BINFO.
4981         * tree.c (tree_node_kinds): Add "binfos".
4982         (binfo_lang_slots): New.
4983         (make_node_stat): Add TREE_BINFO.
4984         (make_tree_binfo_stat): New.
4985         (tree_node_structure): Add TREE_BINFO.
4986         * tree.def (TREE_BINFO): New.
4987         * tree.h (REC_OR_UNION_CHECK): Rename to ...
4988         (RECORD_OR_UNION_CHECK): ... here.
4989         (NOT_RECORD_OR_UNION_CHECK): New.
4990         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
4991         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
4992         RECORD_OR_UNION_CHECK.
4993         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
4994         (TYPE_LANG_SLOT_1): New.
4995         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
4996         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
4997         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
4998         (BINFO_ELTS): Remove.
4999         (BINFO_LANG_SLOT): New.
5000         (struct tree_binfo): New.
5001         (binfo_lang_slots): Declare.
5002         (enum tree_node_structure_enum): Add TS_BINFO.
5003         (union tree_node): Add binfo.
5004         (make_tree_binfo_stat): Declare.
5005         (make_tree_binfo): New.
5006         (enum tree_node_kind): Add binfo_kind.
5008         * objc/objc-act.c (start_class, objc_declare_protocols,
5009         start_protocols): Use TYPE_LANG_SLOT_1.
5010         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
5011         to ...
5012         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
5013         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
5014         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
5015         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
5017 2004-07-05  Steven Bosscher  <stevenb@suse.de>
5019         * rtl.h (struct rtx_def): Remove the integrated flag.
5020         Use the return_val flag for MEM_SCALAR_P.
5021         Reshuffle and update flags in CLEAR_RTX_FLAGS.
5023 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
5025         PR target/16357
5026         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
5027         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
5028         move_by_pieces.
5030 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
5032         * var-tracking.c: Fix some comments.
5033         (frame_stack_adjust): New.
5034         (vt_stack_adjustments): Init stack_adjust of entry block to
5035         minus stack adjustment of function prologue.
5036         (adjust_stack_reference): Do not adjust if adjustment == 0.
5037         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
5038         (emit_notes_in_bb): Likewise.
5039         (vt_add_function_parameters): Do not adjust locations of
5040         function arguments.
5041         (vt_initialize): Compute the stack adjustment of function
5042         prologue and offset the initial "location" of frame_base_decl
5043         from the stack pointer after prologue.
5045 2004-07-04  Richard Henderson  <rth@redhat.com>
5047         * function.c (struct assign_parm_data_all): New.
5048         (struct assign_parm_data_one): New.
5049         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
5050         assign_parm_find_data_types, assign_parms_setup_varargs,
5051         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
5052         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
5053         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
5054         assign_parm_setup_block, assign_parm_setup_reg,
5055         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
5056         (assign_parms): ... here.
5058 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
5060         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
5061         now are bitmap_set_t's.
5062         (bitmap_insert_into_set): No point in inserting the value if
5063         it's invariant.
5064         (bitmap_set_contains): New function.
5065         (bitmap_set_replace_value): Add comment on why we do it
5066         this way.
5067         (set_contains): Removed.
5068         (bitmap_set_subtract_from_value_set): New name of
5069         set_subtract now that it's arguments are two different
5070         types of sets.
5071         Update callers.
5072         (bitmap_find_leader): Change algorithm used.
5073         (find_or_generate_expression): Update use of functions for new
5074         bitmap sets.
5075         (create_expression_by_pieces): Ditto.
5076         (insert_aux): Ditto.
5077         (insert): Ditto.
5078         (add_to_sets): Ditto.
5079         (init_pre): Ditto.
5080         (execute_pre): Ditto.
5081         (compute_avail): Ditto.
5082         Also ignore virtual phis.
5084 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
5086         * combine.c (simplify_comparison): Fix comment typo.
5088 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5090         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
5091         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
5092         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
5093         (output_restore): Change parameter from 'insn' to 'pat'.
5094         (output_return): Adjust call to output_restore.
5095         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
5096         Adjust call to output_restore.
5098 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
5100         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
5101         and assert system is bsd.
5103 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
5105         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
5106         (TARGET_SWITCHES): Remove -mdebugc.
5107         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
5108         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
5109         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
5110         (sle_[sd]i_reg): Delete.
5112 2004-07-04  Steven Bosscher  <stevenb@suse.de>
5114         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
5115         Define.
5116         * config/iq2000/iq2000.md: Translate old pipeline description to an
5117         equivalent new one.
5119 2004-07-04  Roger Sayle  <roger@eyesopen.com>
5121         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
5122         Ensure the replacement rhs is valid gimple before performing
5123         the substitution.  Return false if these sanity checks fail.
5124         (fold_stmt): Only set changed to true, if set_rhs returns true.
5125         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
5126         succeeds.
5128 2004-07-04  Richard Henderson  <rth@redhat.com>
5130         PR c/16348
5131         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
5133 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
5135         * configure.ac (ranlib_flags): New variable.
5136         * Makefile.in (RANLIB_FLAGS): New variable.
5137         (libbackend.a): Use it.
5138         * configure: Regenerated.
5140 2004-07-04  Roger Sayle  <roger@eyesopen.com>
5142         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
5143         a "sign mask" instead of using ashr_optab directly.
5145 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
5147         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
5148         * doc/cppopts.texi: Clarify processing of command-line defines.
5150 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
5152         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
5154 2004-07-04  Richard Henderson  <rth@redhat.com>
5156         * rtl.def (ADDRESSOF): Remove.
5157         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
5158         (find_base_term, memrefs_conflict_p): Likewise.
5159         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
5160         (fold_rtx, cse_insn, set_live_p): Likewise.
5161         * dwarf2out.c (mem_loc_descriptor): Likewise.
5162         (add_location_or_const_value_attribute): Likewise.
5163         * emit-rtl.c (copy_insn_1): Likewise.
5164         * explow.c (memory_address): Likewise.
5165         * expmed.c (store_split_bit_field): Likewise.
5166         * expr.c (expand_expr_real_1): Likewise.
5167         * function.c (instantiate_decl
5168         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
5169         * genrecog.c (preds, validate_pattern): Likewise.
5170         * integrate.c (copy_rtx_and_substitute): Likewise.
5171         * recog.c (general_operand, register_operand): Likewise.
5172         (memory_address_p): Likwise.
5173         * reload1.c (eliminate_regs, elimination_effects): Likewise.
5174         * rtl.c (copy_rtx): Likewise.
5175         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
5176         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
5177         * rtlhooks.c (gen_lowpart_general): Likewise.
5178         * stmt.c (expand_asm_operands): Likewise.
5179         * web.c (entry_register, replace_ref, web_main): Likewise.
5180         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
5181         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
5182         * config/arm/arm.c (thumb_rtx_costs): Likewise.
5183         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
5184         * config/frv/frv.c (move_destination_operand, move_source_operand,
5185         condexec_dest_operand, condexec_source_operand,
5186         condexec_memory_operand): Likewise.
5187         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
5188         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
5189         (destination_xfmode_operand): Likewise.
5190         * config/mips/mips.h (PREDICATE_CODES): Likewise.
5191         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
5192         * config/s390/s390.c (general_s_operand): Likewise.
5193         * config/s390/s390.md (mov*): Likewise.
5194         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
5196         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
5197         * expr.c (expand_expr_real_1): Likewise.
5198         * stmt.c (expand_decl): Likewise.
5199         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5201         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
5202         postponed_insns, put_var_into_stack, put_reg_into_stack,
5203         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
5204         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
5205         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
5206         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
5207         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
5208         purge_bitfield_addressof_replacements, purge_addressof_replacements,
5209         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
5210         struct insns_for_mem_walk_info, insns_for_mem_walk,
5211         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
5212         setjmp_protect_args): Remove.
5213         (push_function_context_to): Don't handle var_refs_queue.
5214         (pop_function_context_from, free_after_compilation): Likewise.
5215         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
5216         (assign_parms, allocate_struct_function): Likewise.
5217         (use_register_for_decl): New.
5218         (expand_function_end): Don't setjmp_protect.
5219         * function.h (struct emit_status): Update commentary.
5220         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
5221         (max_parm_reg, parm_reg_stack_loc): Remove.
5222         * passes.c (DFI_addressof): Remove.
5223         (dump_file_info): Remove addressof.
5224         (rest_of_handle_addressof): Remove.
5225         (rest_of_compilation): Don't call it.
5226         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
5227         * stmt.c (expand_decl): Use use_register_for_decl.
5228         * tree.h: Update decls.
5229         * web.c (mark_addressof): Remove.
5230         * doc/invoke.texi (-dF): Remove.
5232 2004-07-03  Richard Henderson  <rth@redhat.com>
5234         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
5235         instead of gen_mem_addressof.
5236         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
5237         TImode output register.
5239 2004-07-03  Richard Henderson  <rth@redhat.com>
5241         PR tree-optimization/16341
5242         * tree-sra.c (sra_walk_function): Increment to next stmt before
5243         processing the current stmt.
5244         (sra_insert_after): Always use BSI_SAME_STMT.
5246 2004-07-03  Richard Henderson  <rth@redhat.com>
5248         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
5249         fp plus with minus.
5251 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
5253         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
5254         with tree_int_cst_equal.
5256 2004-07-03  Andreas Schwab  <schwab@suse.de>
5258         * config/ia64/ia64.md: Define new attribute "empty".
5259         (prologue_use, nop_x, insn_group_barrier): Set it.
5261         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
5262         skip over "empty" insns.
5264 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5266         * tree-inline.c (initialize_inlined_parameters): Pass proper function
5267         context to gimplify_body.
5268         (walk_tree): Don't walk into types twice.
5269         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
5271         * tree-sra.c (generate_element_init): Remove any useless conversions.
5273         * gimplify.c (gimplify_conversion): Remove stripping useless
5274         conversions from here.
5275         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
5276         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
5277         Unshare before substituting PLACEHOLDER_EXPR.
5278         (gimplify_modify_expr_to_memset): Likewise.
5279         Pass address of TO to memset, not TO itself.
5280         (gimplify_init_constructor): Make copy of OBJECT so we have it each
5281         time we make an expression (to match a PLACEHOLDER_EXPR).
5283         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
5284         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
5285         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
5286         * tree-ssa-dom.c (local_fold): Likewise.
5288         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
5289         * langhooks.h (strct lang_hooks): New field type_max_size.
5290         * function.c (assign_temp): Call it.
5292 2004-07-03  Steven Bosscher  <stevenb@suse.de>
5294         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
5295         * config/sh/sh.md: Convert the SH1 pipeline description to
5296         a DFA model.
5298 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
5300         * c-decl.c (struct c_binding): Remove contour field; add
5301         depth, invisible, nested fields.
5302         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
5303         (B_IN_EXTERNAL_SCOPE): New convenience macros.
5304         (bind): Add invisible and nested arguments. Initialize
5305         new fields of struct c_binding; adjust loop scanning for
5306         insertion point.
5307         (free_binding_and_advance): Clear structure with memset.
5308         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
5309         in file scope, even if it's in external scope too.
5310         (pushdecl): Adjust to match.  Create invisible file-scope
5311         declarations for block-scope forward declarations of static functions.
5312         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
5313         (undeclared_variable, lookup_label, declare_label, define_label)
5314         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
5315         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
5316         (store_parm_decls_oldstyle): Adjust to match.
5317         (diagnose_mismatched_decls): Correct handling of linkage clashes.
5318         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
5320         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
5321         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
5323 2004-07-02  Richard Henderson  <rth@redhat.com>
5325         * c-decl.c (grokdeclarator): Don't frob current_function_decl
5326         around variable_size.
5327         (set_decl_nonlocal): Remove.
5328         (store_parm_decls): Add stmts for pending sizes.
5329         * calls.c (calls_function, calls_function_1): Remove.
5330         (precompute_arguments): Don't call it.
5331         * cfgexpand.c (set_save_expr_context): Remove.
5332         (tree_expand_cfg): Don't call it.
5333         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
5334         (dwarf2out_finish): Likewise.
5335         * expr.c (emit_block_move): Adjust addresses to BLKmode.
5336         (store_constructor): Don't pre-evaluate SAVE_EXPR.
5337         (safe_from_p): Don't queue SAVE_EXPRs.
5338         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
5339         or build plain VAR_DECLs.
5340         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
5341         (fold): Likewise.
5342         (fold_checksum_tree): Don't special-case SAVE_EXPR.
5343         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
5344         (put_var_into_stack): Don't handle SAVE_EXPR.
5345         (gen_mem_addressof): Likewise.
5346         * function.h (struct function): Remove x_save_expr_regs.
5347         (save_expr_regs): Remove.
5348         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
5349         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
5350         * stor-layout.c (variable_size): Don't set it.
5351         (force_type_save_exprs, force_type_save_exprs_1): Remove.
5352         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
5353         all callers.  Don't set SAVE_EXPR_CONTEXT.
5354         * tree-inline.h (remap_save_expr): Update decl.
5355         * tree.c (save_expr): Update build size.
5356         (first_rtl_op): Don't handle SAVE_EXPR.
5357         (unsave_expr_1, contains_placeholder_p): Likewise.
5358         (decl_function_context): Likewise.
5359         * tree.def (SAVE_EXPR): Remove args 1 and 2.
5360         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
5361         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
5363 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
5365         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
5366         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
5367         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
5368         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
5369         some first-person references and patronizing comments.  Based on
5370         printed manual.
5371         * doc/invoke.texi: Don't reference fortran@gnu.org.
5372         * doc/trouble.texi (Warning when a non-void function value is
5373         ignored): Rewrite.  From Russ Allbery and Chris Devers.
5375 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
5377         * tree-ssa-pre.c (bitmap_set_t): New.
5378         (bb_value_sets): avail_out is now a bitmap_set_t.
5379         (bitmap_find_leader): New function.
5380         (bitmap_value_insert_into_set): Ditto.
5381         (bitmap_set_copy): Ditto.
5382         (bitmap_value_replace_in_set): Ditto.
5383         (bitmap_set_contains_value): Ditto.
5384         (bitmap_set_new): Ditto.
5385         (bitmap_set_pool): New pool.
5386         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
5387         (insert_aux): Ditto.
5388         (add_to_sets): Ditto.
5389         (compute_avail): Ditto
5390         (eliminate): Ditto.
5391         (init_pre): Ditto.
5392         (fini_pre): Ditto.
5393         (execute_pre): Ditto.
5395 2004-07-02  Roger Sayle  <roger@eyesopen.com>
5397         * config/rs6000/rs6000.c (struct processor_costs): New structure
5398         used to hold instruction latencies/sizes for processor types.
5399         (rs6000_cost): New global variable pointing to current CPU's costs.
5400         (rs6000_override_options): Initialize rs6000_cost to point to the
5401         appropriate cost table based upon rs6000_cpu and optimize_size.
5402         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
5403         timings inline.
5405 2004-07-02  Richard Henderson  <rth@redhat.com>
5407         * expmed.c (make_tree): Don't use SET_DECL_RTL.
5409 2004-07-02  Steven Bosscher  <stevenb@suse.de>
5411         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
5413 2004-07-01  Richard Henderson  <rth@redhat.com>
5415         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
5416         (alpha_gp_save_rtx): Use assign_stack_local instead of
5417         gen_mem_addressof.
5419 2004-07-01  Richard Henderson  <rth@redhat.com>
5421         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
5422         (alpha_rtx_cost_data): Update to match.
5423         (alpha_rtx_cost_size): New.
5424         (alpha_rtx_costs): Honor optimize_size.
5426 2004-07-01  Richard Henderson  <rth@redhat.com>
5428         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
5429         * cfgexpand.c (tree_expand_cfg): Do it here.
5430         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
5431         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
5432         * config/mips/mips.c (mips_output_mi_thunk): And here.
5433         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
5434         * config/sh/sh.c (sh_output_mi_thunk): And here.
5435         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
5437 2004-07-01  Richard Henderson  <rth@redhat.com>
5439         * tree.def (RTL_EXPR): Remove.
5440         * c-typeck.c (lvalue_p): Don't handle it.
5441         * expr.c (safe_from_p): Likewise.
5442         (expand_expr_real_1): Likewise.
5443         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
5444         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
5445         * gengtype.c (adjust_field_tree_exp): Likewise.
5446         * stmt.c (warn_if_unused_value): Likewise.
5447         * tree-gimple.c (recalculate_side_effects): Likewise.
5448         * tree-pretty-print.c (dump_generic_node): Likewise.
5449         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
5450         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
5451         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
5453         * stmt.c (struct stmt_status): Remove x_last_expr_type,
5454         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
5455         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
5456         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
5457         all the bits that tracked last_expr.
5458         (expand_end_bindings): Don't track last_expr.
5459         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
5460         (clear_last_expr): Remove.
5461         (expand_asm): Don't call it.
5462         (expand_asm_operands, expand_end_cond): Likewise.
5463         (expand_naked_return, expand_null_return_1): Likewise.
5464         * c-typeck.c (c_begin_compound_stmt): Likewise.
5465         * cfgexpand.c (expand_block): Use expand_expr_stmt.
5466         * expr.c (expand_expr_real_1): Likewise.
5467         * tree.h: Update prototypes.
5469         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
5470         (struct emit_status): Remove sequence_rtl_expr.
5471         (struct function): Remove x_rtl_expr_chain.
5472         (seq_rtl_expr, rtl_expr_chain): Remove.
5473         * function.c (struct temp_slot): Remove rtl_expr.
5474         (assign_stack_temp_for_type): Don't set it.
5475         (free_temp_slots, pop_temp_slots): Don't check it.
5476         (free_after_compilation): Don't clear x_rtl_expr_chain.
5477         (fixup_var_refs): Don't search it.
5478         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
5479         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
5480         or seq_rtl_expr.
5481         (push_topmost_sequence): Likewise.
5482         (end_sequence, init_emit): Likewise.
5483         (start_sequence_for_rtl_expr): Remove.
5484         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
5485         * rtl.h (preserve_rtl_expr_result): Remove.
5487 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
5489         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
5490         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
5491         typos.
5493 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
5495         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
5496         (STANDARD_STARTFILE_PREFIX_2): Define.
5497         (standard_startfile_prefix_1): Initialize to
5498         STANDARD_STARTFILE_PREFIX_1.
5499         (standard_startfile_prefix_2): Initialize to
5500         STANDARD_STARTFILE_PREFIX_2.
5501         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
5502         (STANDARD_STARTFILE_PREFIX_1): Define.
5503         (STANDARD_STARTFILE_PREFIX_2): Define.
5504         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
5505         (STANDARD_STARTFILE_PREFIX_2): Document.
5507 2004-07-01  Richard Henderson  <rth@redhat.com>
5509         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
5510         in order to disable scalarization.  Instead set a flag and wait
5511         for a candidate decl.
5513 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
5515         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
5516         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
5517         Use terminology "testsuite" and "enumerated".
5519 2004-07-01  Richard Henderson  <rth@redhat.com>
5521         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
5522         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
5523         (initial_return_save): Likewise.
5524         (flush_queued_reg_saves): Remap register numbers.
5525         (dwarf2out_return_reg): Likewise.
5527 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5529         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
5531         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
5532         access functions for lower bound and element size and only output
5533         if lower bound nonzero or element size not same as that of type.
5534         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
5536 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5538         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
5540 2004-07-01  Per Bothner  <per@bothner.com>
5542         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
5544 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
5546         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
5547         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
5548         first operand.  Don't optimize if the bitfield is volatile.
5550 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5552         * c-pretty-print.c (pp_c_postfix_expression): Handle
5553         floating-point comparison operators.
5554         (pp_c_expression): Pass floating-point comparison
5555         operators to pp_c_postfix_expression.
5557 2004-07-01  Roger Sayle  <roger@eyesopen.com>
5559         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
5560         rtx_cost instead of "had_mult" to determine whether the transformed
5561         expression is cheaper than the original.
5563 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
5565         * alias.c (get_alias_set, canon_rtx, get_addr,
5566         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
5567         Use MEM_P.
5568         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
5569         expand_builtin): Likewise.
5570         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
5571         Likewise.
5572         * combine.c (can_combine_p, combinable_i3pat, try_combine,
5573         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
5574         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
5575         record_dead_and_set_regs_1, get_last_value_validate,
5576         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
5577         * cse.c (check_dependence, canon_hash, equiv_constant,
5578         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
5579         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
5580         count_reg_usage): Likewise.
5581         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
5582         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
5583         cselib_record_sets): Likewise.
5584         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
5585         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
5586         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
5587         * df.c (df_uses_record): Likewise.
5588         * dojump (do_jump): Likewise.
5589         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
5590         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
5591         decl_start_label): Likewise.
5592         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
5593         operand_subword, change_address_1, make_safe_from): Likewise.
5594         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
5595         stabilize, force_not_mem): Likewise.
5596         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
5597         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
5598         * expr.c (convert_move, convert_modes, emit_block_move,
5599         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
5600         emit_move_insn_1, expand_assignment, store_expr,
5601         store_constructor_field, store_constructor, store_field,
5602         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
5603         Likewise.
5604         * final.c (cleanup_subreg_operands, alter_subreg,
5605         get_mem_expr_from_op): Likewise.
5606         * flow.c (notice_stack_pointer_modification_1,
5607         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
5608         Likewise.
5609         * function.c (mark_temp_addr_taken, preserve_temp_slots,
5610         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
5611         optimize_bit_field, flush_addressof, purge_addressof_1,
5612         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
5613         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
5614         keep_stack_depressed): Likewise.
5615         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
5616         noce_process_if_block, find_memory): Likewise.
5617         * integrate.c (subst_constants, allocate_initial_values): Likewise.
5618         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
5619         update_equiv_regs): Likewise.
5620         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
5621         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
5622         * optabs.c (expand_abs, emit_unop_insn): Likewise.
5623         * passes.c (rest_of_handle_final): Likewise.
5624         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
5625         move2add_note_store): Likewise.
5626         * ra-build.c (detect_remat_webs): Likewise.
5627         * ra-debug.c (dump_static_insn_cost): Likewise.
5628         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
5629         * recog.c (validate_change, apply_change_group, cancel_changes,
5630         validate_replace_rtx_1, general_operand, register_operand,
5631         nonmemory_operand, push_operand, pop_operand, memory_operand,
5632         indirect_operand, asm_operand_ok, offsettable_memref_p,
5633         offsettable_nonstrict_memref_p, constrain_operands,
5634         store_data_bypass_p): Likewise.
5635         * reg-stack.c (subst_stack_regs_pat): Likewise.
5636         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
5637         copy_cost, reg_scan_mark_refs): Likewise.
5638         * regmove.c (optimize_reg_copy_3, stack_memref_p,
5639         combine_stack_adjustments_for_block): Likewise.
5640         * regrename.c (copyprop_hardreg_forward_1): Likewise.
5641         * reload.c (can_reload_into, push_reload, decompose, immune_p,
5642         find_reloads, find_reloads_address, find_reloads_address_1,
5643         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
5644         find_equiv_reg): Likewise.
5645         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
5646         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
5647         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
5648         delete_address_reloads): Likewise.
5649         * resource.c (mark_referenced_resources): Likewise.
5650         * rtlanal.c (get_jump_table_offset, count_occurrences,
5651         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
5652         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
5653         num_sign_bit_copies1): Likewise.
5654         * rtlhooks.c (gen_lowpart_general): Likewise.
5655         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
5656         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
5657         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
5658         sdbout_global_decl): Likewise.
5659         * simplify-rtx.c (simplify_subreg): Likewise.
5660         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
5661         expand_anon_union_decl, expand_end_case_type): Likewise.
5662         * unroll.c (calculate_giv_inc): Likewise.
5663         * var-tracking.c (stack_adjust_offset_pre_post,
5664         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
5665         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
5666         vt_add_function_parameters): Likewise.
5667         * varasm.c (make_var_volatile, notice_global_symbol,
5668         assemble_external, decode_addr_const, mark_weak,
5669         default_encode_section_info): Likewise.
5671 2004-07-01  Steven Bosscher  <stevenb@suse.de>
5673         * stmt.c (check_seenlabel): Remove.
5674         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
5676 2004-07-01  Richard Henderson  <rth@redhat.com>
5678         * function.h (struct function): Remove x_function_call_count.
5679         (function_call_count): Remove.
5680         * calls.c (expand_call): Don't set it.
5681         * integrate.c (copy_rtx_and_substitute): Likewise.
5683         * function.h (struct function): Remove x_cleanup_label.
5684         (cleanup_label): Remove.
5685         * stmt.c (expand_value_return): Don't use it.
5686         * function.c (free_after_compilation): Don't set it.
5687         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
5688         * cfgexpand.c (tree_expand_cfg): Update call.
5689         * tree.h (expand_function_start): Update decl.
5691 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
5693         PR c/1027
5694         * c-lang.c (c_initialize_diagnostics): Move from here ...
5695         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
5696         (c_tree_printer): Use pretty-printer to format %T.
5697         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
5698         before '*' if not C++.
5699         (pp_c_direct_abstract_declarator): Don't try to print array upper
5700         bound for flexible array members.
5701         * c-tree.h: Include "diagnostic.h".
5702         (c_initialize_diagnostics): Declare.
5703         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
5704         * c-format.c (format_type_warning): New function.  Improve
5705         diagnostics for incorrect format argument types.
5706         (check_format_types): Use it.  Add two parameters.  Use the
5707         TYPE_MAIN_VARIANT of wanted_type.
5708         (check_format_info_main): Pass new parameters to
5709         check_format_types.
5710         (struct format_wanted_type): Update comment.
5712 2004-07-01  Nick Clifton  <nickc@redhat.com>
5714         * target.h (struct gcc_target): Add new field to struct cxx:
5715         import_export_class.
5716         * target-def.h (TARGET_CXX): Initialise the new field.
5717         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
5718         the new field.
5719         * doc/tm.texi: Document the new target hook.
5721 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5723         * builtins.c (fold_builtin_classify): Fix typo.
5725 2004-07-01  Richard Henderson  <rth@redhat.com>
5727         * function.c (identify_blocks, identify_blocks_1): Remove.
5728         * function.h (identify_blocks): Remove.
5729         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
5731 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5733         * builtins.c (fold_builtin_classify): New.
5734         (fold_builtin_unordered_cmp): Fix commentary.
5735         (fold_builtin): Use it.
5736         * builtins.def: Define builtins for isnan,
5737         isnanf, isnanl, finite, finitef, finitel,
5738         isinf, isinff, isinfl.
5740 2004-07-01  Richard Henderson  <rth@redhat.com>
5742         * function.h (struct function): Remove dont_emit_block_notes.
5743         * gimple-low.c (lower_function_body): Don't set it.
5744         * cfgexpand.c (expand_block): Don't check it.
5745         * cfglayout.c (insn_locators_initialize): Likewise.
5746         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
5747         * passes.c (rest_of_compilation): Likewise.
5748         * stmt.c (expand_start_bindings_and_block): Likewise.
5749         (expand_end_bindings): Likewise.
5751 2004-07-01  Richard Henderson  <rth@redhat.com>
5753         * cgraph.h (cgraph_build_static_cdtor): Declare.
5754         * cgraphunit.c (cgraph_build_static_cdtor): New.
5755         * c-objc-common.c (build_cdtor): Use it.
5756         * coverage.c (create_coverage): Likewise.
5757         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
5758         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
5760 See ChangeLog.11 for earlier changes.