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* config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
2
3         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
4         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5         are omitted.  Exclude stack_tie insn too.
6
7 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
8
9         PR rtl-optimization/23098
10         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
11         0.0f is easy.
12         * config/rs6000/rs6000.md (movdf splitter): Use
13         const_double_operand predicate for TARGET_POWERPC64.
14         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
15         SYMBOL_REF method to ABI_V4.
16
17         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
18         replace_equiv_address.
19         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
20         rs6000_sr_alias_set and MEM_NOTRAP.
21         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
22
23 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
24
25         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
26         handle CALL_EXPR again.
27
28 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
29
30         * arm/predicates.md (alignable_memory_operand): Delete.
31
32 2005-09-10  Richard Henderson  <rth@redhat.com>
33
34         PR debug/23806
35         * dbxout.c (dbxout_expand_expr): New.
36         (dbxout_symbol): Use it.
37
38 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
39
40         * arm.c (arm_gen_rotated_half_load): Delete.
41         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
42         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
43         (thumb_set_return_address): Likewise.
44         (thumb_load_double_from_address): Use adjust_address.
45         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
46         (extendhsisi2_mem, movhi_bytes): Use change_address.
47         (movhi): Use widen_memory_access.
48         (reload_out_df): Use replace_equiv_address.
49         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
50
51 2005-09-09  Richard Henderson  <rth@redhat.com>
52
53         PR debug/20998
54         * dbxout.c: Include expr.h.
55         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
56         (dbxout_symbol): Handle DECL_VALUE_EXPR.
57         * Makefile.in (dbxout.o): Add EXPR_H.
58
59 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
60
61         PR tree-optimization/23509
62         * tree-cfg.c (replace_uses_by): Use replace_exp.
63         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
64         pointers have name_mem_tag or type_mem_tag set.
65
66 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
67
68         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use 
69         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
70         of wrongly accessing operands.
71
72 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
73
74         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
75         * tree-chrec.c: Include tree-scalar-evolution.h.
76         (chrec_convert): Instantiate the base and step before calling
77         scev_probably_wraps_p that would fail on parametric evolutions.
78         Collect all the fails into a single section failed_to_convert,
79         print a diagnostic, and return chrec_dont_know instead of calling
80         fold_convert.
81         * tree-scalar-evolution.c (loop_closed_phi_def): New.
82         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
83         phi nodes.
84         (scev_const_prop): Don't replace the definition of a loop closed ssa
85         phi node by itself, or by another loop closed ssa phi node.
86         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
87         that base and step are defined.
88
89 2005-09-09  Richard Guenther  <rguenther@suse.de>
90
91         PR c++/23624
92         * fold-const.c (fold_ternary): Check truth_value_p before
93         calling invert_truthvalue.
94
95 2005-09-09  Nick Clifton  <nickc@redhat.com>
96
97         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
98         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
99         dimension of these arrays.
100         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
101         these arrays.
102         * longlong.h: Only provide a prototype for the __clz_tab[] array
103         if this header has not been included from libgcc2.h.
104         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
105         defining own types.
106         Provide prototypes for exported functions.
107         Use the __clz_tab[] and __popcount_tab[] arrays provided by
108         libgcc2.c.
109
110 2005-09-08  Josh Conner  <jconner@apple.com>
111
112         PR c++/21135
113         PR c++/23180
114         * expr.c (expand_expr_addr_expr_1): Don't invoke
115         expand_simple_binop for EXPAND_INITIALIZER.
116
117 2005-09-08  Richard Henderson  <rth@redhat.com>
118
119         PR debug/23190
120         * toplev.c (wrapup_global_declaration_1): Split out ...
121         (wrapup_global_declaration_2): ... from ...
122         (wrapup_global_declarations): ... here.  Return bool.
123         (check_global_declaration_1): Split out ...
124         (check_global_declarations): from here.
125         (emit_debug_global_declarations): New.
126         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
127         check_global_declaration_1, emit_debug_global_declarations): Declare.
128         * c-decl.c (c_write_global_declarations_1): Don't create a vector
129         of decls.  Call wrapup_global_declaration_1,
130         wrapup_global_declaration_2, check_global_declaration_1 directly.
131         (c_write_global_declarations_2): New.
132         (ext_block): New.
133         (c_write_global_declarations): Call c_write_global_declarations_2.
134         * langhooks.c (write_global_declarations): Call
135         emit_debug_global_declarations.
136
137         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
138         remove decls that have DECL_RTL_SET_P.
139         * passes.c (rest_of_decl_compilation): Invoke
140         cgraph_varpool_finalize_decl for all but functions.
141
142 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
143
144         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
145         the result of a conversion if the new min and max cannot be compared.
146
147 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
148
149         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
150         (override_options): Setting s390_sr_alias_set removed.
151         (save_fpr, save_gprs): Set alias set to vararg or frame.
152         (restore_fpr, restore_gprs, s390_emit_prologue): Replace 
153         s390_sr_alias_set with get_frame_alias_set ().
154         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
155         get_varargs_alias_set ().
156
157 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
158
159         PR objc/20574
160         PR objc/19324
161         * c-parser.c (c_parser_objc_method_definition): If the next
162         token is not "{", error out and don't start the function.
163
164 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
165
166         * tree-vrp.c (extract_range_from_expr): Move the check for non
167         nullness after the check for gimple invariant.
168
169 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
170
171         * tree.c (host_integerp, tree_low_cst): Correct function comment.
172
173 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
174
175         PR target/23747
176         * config/m32r.md (movmemsi_internal): Canonicalize order of
177         operands in PLUS component of template.
178
179 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
180
181         * reload1.c (fixup_eh_region_note): Remove assertion.
182         (fixup_abnormal_edges): Reverted removal of call to 
183         find_many_sub_basic_blocks made on 2005-08-31.
184
185 2005-09-07  Richard Henderson  <rth@redhat.com>
186
187         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
188         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
189         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
190         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
191         rearrange for better packing.
192         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
193         (lookup_cfa_1): Remove inline marker.
194         (cfa_equal_p): Split out of ...
195         (def_cfa_1): ... here.  Use INVALID_REGNUM.
196         (build_cfa_loc): Handle !cfa->indirect.
197         (frame_pointer_cfa_offset): New.
198         (dbx_reg_number): Assert register elimination performed; do
199         leaf register remapping.
200         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
201         (eliminate_reg_to_offset): New.
202         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
203         for verifiably local stack frame addresses; re-base to CFA.
204         (mem_loc_descriptor): Remove can_use_fbreg argument.
205         (concat_loc_descriptor, loc_descriptor): Likewise.
206         (containing_function_has_frame_base): Remove.
207         (rtl_for_decl_location): Don't do register elimination or
208         leaf register remapping here.
209         (secname_for_decl): Split out from ..
210         (add_location_or_const_value_attribute): ... here.
211         (convert_cfa_to_loc_list): New.
212         (compute_frame_pointer_to_cfa_displacement): New.
213         (gen_subprogram_die): Use them.
214         * tree.h (frame_base_decl): Remove.
215         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
216         (prologue_stack_adjust): Remove.
217         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
218         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
219         (set_frame_base_location): Remove.
220         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
221         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
222         (vt_add_function_parameters): Don't eliminate_regs.
223         (vt_initialize): Don't create frame_base_decl.
224
225 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
226
227         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
228         version of GNU binutils for 4.x and later.
229
230 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
231
232         * ggc-page.c (ggc_push_context): Remove.
233         (ggc_pop_context): Likewise.
234         * ggc.h (ggc_push_context): Remove.
235         (ggc_pop_context): Likewise.
236
237 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
238
239         PR target/8973
240         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
241         returning from an interrupt handler.
242
243 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
244
245         PR target/8972
246         * config/arc/arc.c (output_shift): Add check for loop count when
247         optimizing.
248
249 2005-09-06  Steven Bosscher  <stevenb@suse.de>
250
251         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
252         form manually.
253         (abs_replacement): Likewise.
254         (pass_phiopt): Remove TODO_update_ssa.
255
256 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
257
258         PR c/23075
259         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
260         if "return with no value, in function returning non-void" warning
261         has been issued.
262         * tree-cfg.c (execute_warn_function_return): Don't look at
263         RETURN_EXPRs with TREE_NO_WARNING set.
264
265         PR target/22362
266         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
267         for internal functions doesn't use registers used by global registers
268         variables.  Use fewer register parameters if there are global register
269         variables.
270
271 2005-09-06  Olivier Hainque  <hainque@adacore.com>
272             Eric Botcazou  <ebotcazou@adacore.com>
273
274         PR middle-end/14997
275         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
276         when we would be extracting outside its bit span (bitpos+bitsize
277         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
278         Ada unchecked conversions.
279
280 2005-09-06  Steven Bosscher  <stevenb@suse.de>
281
282         * tree-ssa-pre.c (try_look_through_load): New function.
283         (compute_avail): Use it to try to look through loads for some
284         more useful expressions.
285
286 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
287
288         * simplify-rtx.c (simplify_binary_operation_1): Correct the 
289         condition for detecting cases like (a&a) and (a^a).
290
291 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
292
293         * common.opt: Add option ftree-vect-loop-version.
294         * params.def: Add --param vect-max-version-checks.
295         * doc/invoke.texi: Document ftree-vect-loop-version and
296         --param vect-max-version-checks.
297         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
298         may_misalign_stmts and defines for accessors.
299         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
300         LOOP_VINFO_MAY_MISALIGN_STMTS.
301         (destroy_loop_vec_info): VEC_free for
302         LOOP_VINFO_MAY_MISALIGN_STMTS.
303         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
304         Update documentation.
305         (vect_update_misalignment_for_peel): New.
306         (vect_enhance_data_refs_alignment): Update to choose loop
307         peeling or loop versioning if appropriate for the (potentially)
308         unaligned data references in the loop.
309         (vect_analyze_data_refs_alignment): Remove call to
310         vect_enhance_data_refs_alignment so the checks can be done
311         earlier.
312         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
313         and move up call to vect_analyze_data_refs_alignment.
314         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
315         (vect_transform_loop): Add call to loop_version.
316
317 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
318
319         PR rtl-optimization/23098
320         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
321         * simplify-rtx.c (constant_pool_reference_p): New function.
322         * rtl.h (constant_pool_reference_p): New prototype.
323         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
324         constant_pool_reference_p in condition and
325         avoid_constant_pool_reference in preparation statements.
326
327 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
328
329         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for 
330         STRICT_LOW_PART SETs.
331
332 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
333
334         PR middle-end/21460
335         * except.c (sjlj_emit_function_enter): Find the function begin
336         note even when it's not in first basic block.
337
338 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
339
340         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
341         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
342         * aclocal.m4: Regenerate.
343
344 2005-09-05  DJ Delorie  <dj@redhat.com>
345
346         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
347         of macro.
348
349 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
350
351         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
352         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
353         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
354         Follow spelling conventions.
355         * doc/invoke.texi: Follow spelling conventions.
356
357 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
358
359         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
360         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
361         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
362
363 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
364
365         PR target/23683
366         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
367         (output_stack_adjust): Use gen_tmp_stack_mem.
368         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
369         (sh_set_return_address, sh_allocate_initial_value): Likewise.
370         (sh_get_pr_initial_val): Likewise.
371         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
372         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
373         * sh.md (divsi_inv_m0): Use gen_const_mem.
374         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
375         (movdf_i4+1): Use gen_tmp_stack_mem.
376         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
377         (fpu_switch+2): Likewise.
378         (movv4sf_i, movv16sf_i): Use adjust_address.
379         (symGOT_load): Set MEM_NOTRAP_P bit.
380
381 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
382
383         PR target/23721
384         * pa.c (emit_move_sequence): Fix typo in last change.
385
386 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
387
388         PR rtl-optimization/23454
389         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
390         is true.
391
392 2005-09-03  Richard Henderson  <rth@redhat.com>
393             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
394
395         PR middle-end/23671
396         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
397         gen_rtx_MEM.
398
399 2005-09-02  Nicolas Pitre <nico@cam.org>
400
401         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
402         to bit_count to 32 bits.
403
404 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
405
406         PR c++/23167
407         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
408         generating synthetic loads from volatile lvalues.
409
410 005-09-02  Nick Clifton  <nickc@redhat.com>
411
412         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
413         __ctzhi2, __clzhi2): New functions.
414
415 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
416
417         PR middle-end/23547
418         * tree-nested.c (struct var_map_elt): Mark with GTY.
419         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
420         var_map_elt.
421         (lookup_field_for_decl): Allocate new element in GC memory.
422         (lookup_tramp_for_decl): Likewise.
423         (convert_nl_goto_reference): Likewise
424         (create_nesting_tree): Allocate info in GC memory. Likewise for
425         info->var_map.
426         (free_nesting_tree): Free with ggc_free instead of free.
427         (root): New static variable.
428         (lower_nested_functions): Remove root as local variable.  And zero out
429         root at the end of the function.
430
431 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
432
433         PR rtl-optimization/20365
434         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
435         to short.  New member ix.
436         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
437         (simplify_plus_minus): Initialize ix members before calling qsort.
438
439 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
440
441         PR tree-optimization/23626
442         * tree-cfg.c (replace_uses_by): Clean up eh info.
443
444 2005-09-01  DJ Delorie  <dj@redhat.com>
445
446         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
447         fprintf.
448
449 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
450
451         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
452         (rs6000_split_multireg_move): Use replace_equiv_address instead of
453         gen_rtx_MEM.
454
455 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
456
457         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
458         do not issue warning for a variable definition following
459         a declaration.
460
461 2005-09-01  Richard Henderson  <rth@redhat.com>
462
463         PR 23668
464         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
465         conversion to CONST_VECTOR.
466
467 2005-09-01  Richard Henderson  <rth@redhat.com>
468
469         PR 23676
470         * reload1.c (reload_as_needed): Check !CALL_P before calling
471         fixup_eh_region_note.
472         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
473
474 2005-09-01  DJ Delorie  <dj@redhat.com>
475
476         * varasm.c (output_constant): Let the target resolve
477         conversions of addresses to non-default pointer sizes.
478
479 2005-09-01  Nicolas Pitre <nico@cam.org>
480
481         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
482         to alow matching ARM pre-indexed addressing mode.
483         (arm_override_options): Remove now irrelevant comment.
484
485 2005-09-01  Phil Edwards  <phil@codesourcery.com>
486
487         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
488         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
489         * config/i386/vxworks.h:  Likewise.
490         * config/i386/t-vxworksae:  New file, for VxWorks AE.
491         * config/i386/vxworksae.h:  Likewise.
492
493 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
494
495         PR tree-optimization/23410
496         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
497         sequence is not wrapping during the first step.
498
499 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
500
501         PR debug/7241
502         * dwarf2out.c (base_type_die): Compare char_type_node with
503         TYPE_MAIN_VARIANT (type), not type.
504
505 2005-09-01  Richard Guenther  <rguenther@suse.de>
506
507         PR tree-optimization/15366
508         * common.opt: Add -finline-functions-called-once.
509         Put -fearly-inlining in alphabetically ordered place.
510         * doc/invoke.texi: Document new option.
511         * ipa-inline.c (cgraph_decide_inlining): Honour
512         flag_inline_functions_called_once.
513
514 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
515
516         PR rtl-optimization/23478
517         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
518         (alloc_qty): Initialize it.
519         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
520         (combine_regs): Combine also n_throwing_calls_crossed fields.
521         (find_free_reg): Don't attempt to caller-save pseudos crossing
522         calls that might throw.
523         * global.c (struct allocno): Add throwing_calls_crossed field.
524         (global_alloc): Revert 2005-08-22 change.  Initialize
525         throwing_calls_crossed.
526         (find_reg): Don't attempt to caller-save pseudos crossing calls that
527         might throw.
528
529 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
530
531         PR target/23649
532         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
533         (mask64_operand): Reinstate code prior to 2005-06-11 change.
534         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
535         (and64_2_operand): Tweak to use predicate.
536         (and_operand): Adjust for mask_operand changes.
537         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
538         (print_operand): Likewise.
539         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
540         (mask64_1or2_operand): Delete.
541         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
542         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
543         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
544         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
545         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
546         (rotldi3_internal4): Likewise.
547         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
548         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
549         (ashldi3_internal7): Likewise.
550         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
551         (ashldi3_internal, ashldi3_internal9 split): Likewise.
552         (anddi3 split): Don't match mask64_operand.
553         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
554         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
555         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
556         't' splitter predicate.
557         (movdi_internal64 + 2): Revert 2005-06-11 change.
558
559 2005-08-31  DJ Delorie  <dj@redhat.com>
560
561         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
562         (m32c_asm_integer): Add support for 32 bit pointers.
563
564 2005-08-31  Richard Henderson  <rth@redhat.com>
565
566         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
567         component-like references for setting MEM_NOTRAP_P.
568
569         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
570         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
571
572 2005-08-31  Richard Henderson  <rth@redhat.com>
573
574         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
575         into a pseudo before applying gen_lowpart.
576
577 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
578
579         * doc/install.texi (Specific): Update cctools version required
580         for full functionality.
581         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
582         linkers as -macosx_version_min.
583
584 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
585
586         PR target/21255
587         * sh.c (print_operand, %R and %S): Add handling of floating point
588         registers, memory, constants and invalid operands.
589
590 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
591
592         * ipa-pure-const.c: Change dump name.
593
594 2005-08-31 Uros Bizjak <uros@kss-loka.si>
595
596         PR target/23570
597         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
598         to "reg_or_0_operand".
599         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
600
601 2005-08-31  Dale Johannesen  <dalej@apple.com>
602
603         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
604         loops that count down.
605
606 2005-08-31  Richard Henderson  <rth@redhat.com>
607
608         PR rtl-opt/23601
609         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
610         (fixup_eh_region_note): New.
611         (reload_as_needed): Call it.
612         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
613         don't call find_many_sub_basic_blocks; call verify_flow_info.
614         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
615         (keep_stack_depressed): Likewise.
616         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
617
618 2005-08-31  Richard Henderson  <rth@redhat.com>
619
620         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
621         fp return matching.
622
623 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
624
625         * expr.c (expand_expr_real_1): Compare size of address 
626         mode to target's address mode size in deciding expansion of 
627         the constant address.
628
629 2005-08-31  Richard Guenther  <rguenther@suse.de>
630
631         PR middle-end/23477
632         * expr.c (all_zeros_p): New function.
633         (expand_expr_real_1): Handle the case of an all-zero
634         non-addressable constructor separately.
635
636 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
637
638         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
639         arguments, adjust all callers.
640         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
641
642 2005-08-30  Richard Henderson  <rth@redhat.com>
643
644         PR target/23630
645         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
646         whenever the mode sizes match.
647
648 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
649
650         * calls.c (load_register_parameters): Fix comment typo.
651         * expr.c (emit_push_insn): Comment formatting.
652
653 2005-08-30  Ian Lance Taylor  <ian@airs.com>
654
655         * config/i386/x-cygwin (host-cygwin): Change dependency from
656         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
657
658 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
659
660         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
661         parts of 'vals'.
662
663 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
664
665         PR middle-end/23408
666         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
667         call to ggc_collect.
668
669 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
670
671         PR bootstrap/21268
672         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
673         beginning.  Remove $(INCLUDES) from all the rules, if following
674         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
675
676 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
677
678         PR middle-end/23484
679         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
680         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
681         not constant, but maxlen is, don't set len to maxlen, rather
682         set maxlen to len if len is a constant.
683
684 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
685
686         PR tree-optimization/23475
687         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
688         and counts.
689
690 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
691
692         Fix PR middle-end/22455
693
694         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
695         Checksum only the parts of the tree that exist for the tree code.
696
697 2005-08-28  Dale Johannesen  <dalej@apple.com>
698
699         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
700
701 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
702
703         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
704
705 2005-08-28  Richard Henderson  <rth@redhat.com>
706
707         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
708         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
709         of char_type_node.
710
711 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
712
713         PR ada/23593
714         * builtins.c (get_memory_rtx): Don't strip nops
715         in between COMPONENT_REFs.
716
717 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
718
719         PR middle-end/23463
720         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
721         types.
722         (gimplify_modify_expr): Check for zero sized types and gimplify the
723         rhs and lhs as statements.
724
725 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
726
727         PR libgcj/23508
728         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
729         state for return address column of signal frames.
730
731 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
732
733         PR target/23539
734         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
735         bytes >= 2 not bytes == 2.
736         (expand_block_move): Same.
737
738 2005-08-27  Richard Guenther  <rguenther@suse.de>
739
740         PR target/23575
741         * config/i386/sse.md (sse2_movsd): Add missing closing
742         braces.
743
744 2005-08-27  Paul Brook  <paul@codesourcery.com>
745
746         * genrecog.c (enum decision_type): Add DT_num_insns.
747         (struct decision_test): Add u.num_insns.
748         (add_to_sequence): Add DT_num_insns test.
749         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
750         (write_cond, debug_decision_2): Ditto.
751         (change_state): Assume peep2_next_insn never fails.
752         Remove "afterward" argument.
753         (write afterward, write_tree): Update to match.
754         * recog.c (peep2_current_count): New variable.
755         (peep2_next_insn): Check it.
756         (peephole2_optimize): Set peep2_current_count.
757         * recog.h (peep2_current_count): Declare.
758
759 2005-08-26  Josh Conner  <jconner@apple.com>
760
761         PR middle-end/23584
762         * ipa-pure-const.c (check_tree): Check for volatile-ness
763         when considering a dereference.
764
765 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
766
767         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
768
769 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
770
771         PR rtl-optimization/23561
772         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
773         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
774         at most LEN bytes long memory fits into the field.
775         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
776         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
777         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
778
779 2005-08-26  Richard Henderson  <rth@redhat.com>
780
781         PR rtl-opt/23560
782         * loop.c (biased_biv_may_wrap_p): New.
783         (maybe_eliminate_biv_1): Use it to suppress non-equality
784         comparison transformations.  Delete disabled code.
785
786 2005-08-26  Ian Lance Taylor  <ian@airs.com>
787
788         * combine.c (make_extraction): Avoid reference outside object.
789
790 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
791
792         * stor-layout.c (finalize_type_size): Restore behaviour for
793         non-aggregate types to the status quo ante of the patch for
794         pr 23467.  Document why it matters.
795
796 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
797
798         PR c/23506
799         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
800         array by one element, initialize the BT_LAST element with NULL.
801
802 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
803
804         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
805         optimizing for size.
806         (plus_eqsi): Same.
807         (compare_plus_eqsi): Same.
808         (plus_eqsi_compare): Same.
809         (neg_eq0<mode>): Same.
810         (neg_eq<mode>): Same.
811
812         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
813         PROCESSOR_POWER4.
814
815 2005-08-26  Nick Clifton  <nickc@redhat.com>
816
817         * config/v850/v850.c (ep_memory_operand): Return FALSE if
818         TARGET_EP is not defined.
819         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
820         TARGET_EP is enabled.
821         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
822         * config/v850/v850.md (save_all_interrupt): Only use the EP
823         register if TARGET_EP is defined.
824         (restore_all_interrupt): Likewise.
825         * config/v850/lib1funcs.asm: Update functions so that the EP
826         register is only used if __EP__ is defined.
827
828 2005-08-26  David Ung  <davidu@mips.com>
829
830         * config/mips/mips.c (mips_expand_prologue): Handle case when
831         generating for MIPS16 and the outgoing argument area is more than
832         SMALL_OPERAND. Use the frame pointer as temporary to generate the
833         add instruction.
834
835 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
836
837         * config/crx/crx.md: Make doloop_end pattern usage controllable
838         via mloop-nesting=<max-nesting> command line switch. Make sure
839         the combiner cannot use doloop_end_<mode> in an illegal way.
840         * config/crx/crx.c: Use regs up to r6 for argument passing.
841         Refine crx_address_cost (non cst4 displacements are expensive).
842         * config/crx/crx.opt: Add switch for mloop-nesting=.
843
844 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
845
846         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
847         (UNSPEC_MVST): New constant.
848
849 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
850
851         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
852         Reject operands containing eliminable registers.
853         * testsuite/gcc.dg/20050825-1.c: New testcase.
854
855 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
856             Jan Hubicka  <jh@suse.cz>
857
858         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
859
860 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
861
862         PR tree-optimization/23546
863         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
864         and REAL_CST nodes.
865
866 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
867
868         * params.def (PARAM_MIN_SPEC_PROB): New.
869         * sched-rgn.c (MIN_PROBABILITY): Delete.
870         (compute_trg_info): Convert to PARAM_VALUE.
871         * doc/invoke.texi (param): Document min-spec-prob.
872
873 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
874
875         * config/darwin.h: define __PIC__
876         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
877         TARGET_OS_CPP_BUILTINS macro.
878
879 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
880
881         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
882         yesterday.
883
884 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
885
886         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
887         to duplicate_block.
888         * cfghooks.c (duplicate_block): Added position where to place
889         new block as argument.
890         * cfghooks.h (duplicate_block): Declaration changed.
891         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
892         duplicate_block.
893         * cfglayout.h (copy_bbs): Declaration changed.
894         * cfgloop.h (loop_version): Declaration changed.
895         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
896         position to copy_bbs.
897         (loop_version): Pass position to duplicate_loop_to_header_edge.
898         Add place_after argument and position new blocks according to
899         it.
900         * modulo-sched.c (sms_schedule): Pass place_after argument
901         to loop_version.
902         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
903         * tree-cfg.c (split_edge_bb_loc): New function.
904         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
905         to determine position of new blocks.
906         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
907         to loop_version.
908         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
909         argument to duplicate_block.
910         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
911         Pass position to copy_bbs.
912
913 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
914
915         * fold-const.c (ptr_difference_const): Use
916         cst_and_fits_in_hwi instead of host_integerp.
917
918 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
919
920         * config/darwin.c (gen_pic_offset): New.
921         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
922         Use it.
923
924 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
925
926         PR tree-optimization/23486
927         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
928
929 2005-08-23  Phil Edwards  <phil@codesourcery.com>
930
931         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
932         remove use_collect2.
933         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
934
935         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
936         configuration files to override the default value.
937
938         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
939         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
940         * config/vx-common.h:  New file, split out from...
941         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
942         * config/vxworksae.h:  New file, for VxWorks AE.
943         * config/vxworks.opt:  New file.
944         * config/vxlib.c:  Update for VxWorks 6.
945
946         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
947         other MULTILIB_* variables appropriately.
948         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
949         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
950         * config/rs6000/vxworks.h:  Update for VxWorks 6.
951         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
952
953 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
954
955         PR target/20799
956         * config/darwin.c (machopic_select_section): Remove the hack to
957         mark "::operator new" and "::operator delete" for coalescing
958         even though they are not weak.
959
960 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
961
962         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
963         * configure: Regenerate.
964
965 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
966
967         PR middle-end/23517
968         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
969         between vectors.
970         * convert.c (convert_to_integer, convert_to_vector): Likewise.
971         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
972         Likewise.
973
974 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
975
976         * config/rs6000/predicates.md (equality_operator): New.
977         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
978         comparison with a large constant.
979
980 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
981
982         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
983
984 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
985
986         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
987         registers is even, and we have a hardware double precision fp,
988         align the buffer.
989         (sh_gimplify_va_arg_expr): For floating point arguments, consider
990         size of current argument when checking if argument was passed in
991         registers.
992
993         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
994
995         PR middle-end/23467
996         * stor-layout.c (finalize_type_size): Dont override
997         existing alignment with a smaller alignment from the mode.
998
999 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
1000
1001         * lambda-code.c (lambda_vector_lexico_pos): Moved...
1002         * lambda.h (lambda_vector_lexico_pos): ... here.
1003         * tree-data-ref.c (build_classic_dist_vector): Return false when
1004         the distance vector is lexicographically negative.
1005
1006 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
1007
1008         PR tree-optimization/23511
1009         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't 
1010         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
1011
1012 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
1013
1014         PR tree-optimization/22043
1015         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
1016         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
1017         If ALLOW_FLEXARR, handle types ending with flexible array member.
1018         Pass false as second argument to recursive count_type_elements calls.
1019         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
1020         argument to count_type_elements call.
1021         * tree-sra.c (decide_block_copy): Likewise.
1022         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
1023         for a constant-sized object, set cleared as well.  Pass true as
1024         second argument to count_type_elements call.
1025
1026 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
1027
1028         PR target/21571
1029         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
1030         from legitimate_small_data_p, and make global.  Update use.
1031         Remove forward declaration.
1032         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
1033         Declare.
1034         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
1035
1036 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
1037
1038         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
1039         of scratch intermediates.
1040         (eq<mode>_compare): Same.
1041         (neg_eq0<mode>): New.
1042         (neg_eq<mode>): Convert to define_insn_and_split.
1043
1044 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
1045
1046         PR target/23070
1047         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
1048         stdarg functions, set/clear the fp marker even when no variable
1049         args are passed.
1050         * config/rs6000/sysv4.opt (mprototype): Describe.
1051
1052 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
1053
1054         PR rtl-optimization/23478
1055         * regs.h (reg_info): Add throw_calls_crossed.
1056         (REG_N_THROWING_CALLS_CROSSED): Define.
1057         * flow.c (allocate_reg_life_data): Initialize
1058         REG_N_THROWING_CALLS_CROSSED.
1059         (propagate_one_insn, attempt_auto_inc): Update
1060         REG_N_THROWING_CALLS_CROSSED.
1061         * global.c (global_alloc): Don't allocate pseudos across
1062         calls that may throw.
1063
1064 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
1065
1066         PR c/18715
1067         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
1068         value is inbetween the range if we did not find an exact match.
1069
1070 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
1071
1072         * doc/invoke.texi (Option Summary): Add ms1 options.
1073         * doc/extend.texi: Document interrupt handler attribute for ms1.
1074         * doc/md.texi: Document ms1 constraints.
1075         * config.gcc: Add ms1-*-elf.
1076         * config/ms1/ms1.h: New.
1077         * config/ms1/ms1.c: New.
1078         * config/ms1/ms1.md: New.
1079         * config/ms1/ms1-protos.h: New.
1080         * config/ms1/ABI.txt: New.
1081         * config/ms1/crti.asm: New.
1082         * config/ms1/crtn.asm: New.
1083         * config/ms1/lib2extra-funcs.c: New.
1084         * config/ms1/t-ms1: New.
1085         * config/ms1/ms1.opt: New.
1086
1087 2005-08-22 Ira Rosen <irar@il.ibm.com>
1088
1089         * config/rs6000/altivec.md (xorv4sf3): New.
1090         (negv4sf2, neg<mode>2): Likewise.
1091
1092 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
1093
1094         PR target/23485
1095         * config/ia64/ia64.md (divsi3): Check divide by zero.
1096         (udivsi3): Likewise.
1097         (divdi3): Likewise.
1098         (udivdi3): Likewise.
1099
1100 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
1101
1102         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
1103         up to elem_bitsize bits, not max_bitsize.
1104
1105 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
1106
1107         PR tree-optimization/23433
1108         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
1109         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
1110
1111 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
1112
1113         PR tree-optimization/23434
1114         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
1115         the iteration bound is not an INTEGER_CST.
1116
1117 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
1118
1119         * tree-vect-transform.c (get_initial_def_for_reduction): Set
1120         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
1121         NULL if need_epilog_adjust is false.
1122         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
1123         Case 3 always peels first itration, not just for PLUS case, and no need
1124         to use scalar_initial_def here. Create an epilog adjustment only if
1125         scalar_initial_def is not NULL.
1126
1127         (vectorizable_reduction): Remove assert. 
1128
1129 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
1130
1131         PR target/23485
1132         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
1133         (__moddi3): Likewise.
1134         (__udivdi3): Likewise.
1135         (__umoddi3): Likewise.
1136         (__divsi3): Likewise.
1137         (__modsi3): Likewise.
1138         (__udivsi3): Likewise.
1139         (__umodsi3): Likewise.
1140
1141 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
1142
1143         * tree-pass.h (TDF_GRAPH): Define.
1144         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
1145         * passes.c (finish_optimization_passes): Only call
1146         finish_graph_dump_file if TDF_GRAPH is set.
1147         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
1148         NULL.  Set TDF_GRAPH bit.
1149         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
1150
1151 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
1152
1153         * arm.h (arm_stack_offsets): Add locals_base field.
1154         * arm.c (arm_get_frame_offsets): Compute it.
1155         (thumb_compute_initial_elimination offset): Make the Thumb frame
1156         pointer point to the base of the local variables.
1157         (thumb_expand_prologue): Update accordingly.
1158         (thumb_expand_epilogue): Likewise.
1159
1160         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
1161         mode of clobbered scratch to DImode.  Handle a case that's known to
1162         need this.
1163
1164 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
1165
1166         * config/rs6000/rs6000.md (gt0<mode>): Delete.
1167         (gt0<mode>_compare): Delete.
1168         (neg_gt0<mode>): Delete.
1169
1170 2005-08-19  Eric Christopher  <echristo@apple.com>
1171
1172         * optabs.h: Change CTI_ to COI_.
1173         * optabs.c: Ditto.
1174
1175 2005-08-19  James E Wilson  <wilson@specifix.com>
1176
1177         * builtins.c (expand_builtin_return_addr): Set
1178         current_function_accesses_prior_frames when count != 0.  Use
1179         frame_pointer_rtx when count == 0.
1180         * function.h (struct function): Add accesses_prior_frames field.
1181         (current_function_accesses_prior_frames): Define.
1182         * reload1.c (init_elim_table): Check
1183         current_function_accesses_prior_frames.
1184         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
1185
1186 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1187
1188         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
1189         indicator.  Return true if the flowgraph changed during
1190         cleanup.
1191
1192 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1193
1194         PR 23476
1195         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
1196         conditional expression before testing its value.
1197
1198 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1199
1200         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
1201
1202 2005-08-19  Devang Patel  <dpatel@apple.com>
1203
1204         PR tree-optimization/23048
1205         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
1206         third parameter. Check whether latch is dominated by exit
1207         block or not.
1208         (if_convertible_loop_p): Supply exit block itself to
1209         if_convertible_bb_p.
1210
1211 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
1212
1213         PR target/23473
1214         * arm.md (arm_load_pic_register): Change argument to the mask of
1215         saved registers.  Call thumb_find_work_register if we need a
1216         scratch register on Thumb.
1217         (arm_expand_prologue): Pass empty register set to
1218         arm_load_pic_register.
1219         (thumb_expand_prologue): Pass live_regs_mask directly to
1220         arm_load_pic_register.
1221         * arm-protos.h (arm_load_pic_register): Update prototype.
1222
1223 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
1224
1225         * sh.c (find_sole_member): New function.
1226         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
1227         if the record's alignment is larger than the size of its only member.
1228
1229 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
1230
1231         PR target/23436
1232         * arm.c (thumb_legitimize_reload_address): New function.
1233         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
1234         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
1235
1236 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
1237
1238         * config/crx/crx.c: Implement crx_decompose_address. Reject
1239         symbolic displacements since CRX register relative adressing
1240         mode can't handle unsigned 32-bit values as displacements.
1241         * config/crx/crx.h: Simplify definitions, remove redundant
1242         parenthesis and obsolete macros.
1243         * config/crx/crx.opt: Add new switch for debugging addresses.
1244         * config/crx/crx-protos.h: Add new declarations for above.
1245
1246 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
1247
1248         PR middle-end/20624
1249         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
1250         looking past it.
1251
1252 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1253
1254         * collect2.c (dup2): Delete.
1255         * configure.ac: Don't check for dup2.
1256
1257         * config.in, configure: Regenerate.
1258
1259 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
1260
1261         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
1262         record with the type of its only member.
1263
1264 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
1265
1266         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
1267         define_insn_and_split.
1268         (plus_ltu<mode>_compare): Same.
1269         (gtu<mode>_compare): Same.
1270         (plus_gtu<mode>_compare): Same.
1271
1272 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
1273
1274         PR tree-optimization/22228
1275         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
1276         todo_flags_start.
1277         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
1278         are recorded in vect_vnames_to_rename for renaming.
1279         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
1280         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
1281         in vect_vnames_to_rename.
1282         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
1283         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
1284
1285 2005-08-18  Jan Hubicka  <jh@suse.cz>
1286
1287         PR c++/22034
1288         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
1289         info only for local statics, not for member variables.
1290
1291 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1292
1293         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
1294
1295 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1296
1297         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
1298
1299 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
1300
1301         PR middle-end/16045
1302         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
1303
1304 2005-08-17  James E Wilson  <wilson@specifix.com>
1305
1306         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1307         array size check.
1308
1309 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
1310
1311         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
1312         (leu<mode>_compare): Same.
1313         (plus_leu<mode>): Same.
1314         (neg_leu<mode>): Same.
1315         (and_neg_leu<mode): Same.
1316         (ltu<mode>_compare): Same.
1317         (plus_ltu<mode>): Same.
1318         (geu<mode>): Same.
1319         (geu<mode>_compare): Same.
1320         (plus_geu<mode>): Same.
1321         (neg_geu<mode>): Same.
1322         (and_neg_geu<mode>): Same.
1323         (plus_gt<mode>): Same.
1324         (gtu<mode>_compare): Same.
1325         (plus_gtu<mode>): Same.
1326
1327 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
1328
1329         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
1330         Move call_table_data to end.  Delete spurious .text.
1331         (callt_save_all_interrupt): Fix comment typo.
1332
1333 2005-08-17  James E Wilson  <wilson@specifix.com>
1334             Kevin Winchester  <winchester@amirix.com>
1335
1336         PR target/21684
1337         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
1338
1339 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
1340
1341         PR target/23268
1342         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
1343         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
1344
1345 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
1346
1347         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
1348         record with the type of its only member if the modes don't match.
1349
1350         * varasm.c (decode_reg_name): Skip empty additional register names.
1351
1352 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
1353
1354         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
1355         lsm_tmp_name_length): New.
1356         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
1357         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
1358
1359 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1360             Andreas Krebbel  <krebbel1@de.ibm.com>
1361
1362         * config.gcc: Added z9-109 switch.
1363         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
1364         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
1365         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
1366         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
1367         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
1368         for "z9_109" cpu attribute.
1369         * config/s390/s390.c (z9_109_cost): New processor cost structure.
1370         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
1371         (s390_handle_arch_option): Added z9-109 switch.
1372         (override_options): Set respective cost function for z9-109.
1373         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
1374         (legitimate_reload_constant_p): Accept extended immediates.
1375         (print_operand): Three new output modifiers added: k, m and o.
1376         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
1377         (s390_output_mi_thunk): Use extended immediate when possible.
1378         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
1379         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
1380         (CONSTRAINT_LEN): Added length of O constraint.
1381         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
1382         * config/s390/s390.md ("cpu"): New value z9_109 added.
1383         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
1384         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
1385         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
1386         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
1387         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
1388         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
1389         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
1390         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
1391         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
1392         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1393         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
1394         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
1395         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
1396         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
1397         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
1398         immediates.
1399         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
1400         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
1401         insns for TARGET_EXTIMM.
1402
1403 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1404
1405         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
1406
1407 2005-08-17  Nick Clifton  <nickc@redhat.com>
1408
1409         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
1410         Call default_encode_section_info.
1411
1412 2005-08-17  Steven Bosscher  <stevenb@suse.de>
1413
1414         PR tree-optimization/21574
1415         * tree-ssa-ccp.c (likely_value): If the right hand side is a
1416         constant, return CONSTANT.
1417         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
1418         (ccp_fold, visit_assignment): Likewise.
1419         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
1420
1421 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
1422
1423         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
1424         fold_buildN instead of buildN then fold_initializer or fold.
1425         (build_unary_op): Likewise.
1426         (build_binary_op): Likewise.
1427         * fold-const.c (fold_initializer): Remove.
1428         (fold_build1_initializer): New function.
1429         (fold_build2_initializer): New function.
1430         (fold_build3_initializer): New function.
1431         * tree.h (fold_initializer): Remove.
1432         (fold_build1_initializer): New function.
1433         (fold_build2_initializer): New function.
1434         (fold_build3_initializer): New function.
1435
1436 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
1437
1438         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
1439         (try_move_mult_to_index): Call fold_build2 instead of build2.
1440         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
1441         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
1442         fold_binary_to_constant.
1443         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
1444         fold (build.
1445         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
1446         check if A == gcd (A, B).  Remove TYPE argument.
1447         (analyze_offset) Use fold_build2 instead of fold (build.
1448         (create_data_ref): Likewise.
1449         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
1450         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
1451         then fold.
1452
1453 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
1454
1455         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
1456         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
1457
1458 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
1459
1460         PR tree-opt/23402
1461         * gimplify.c (zero_sized_type): New function.
1462         (gimplify_modify_expr_rhs): If we have a zero sized type,
1463         replace the statement with an empty statement.
1464
1465 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
1466
1467         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
1468         fxsave.
1469
1470 2005-08-16  Ian Lance Taylor  <ian@airs.com>
1471
1472         * doc/tm.texi (Label Output): Correct typo.
1473
1474 2005-08-16  Steven Bosscher  <stevenb@suse.de>
1475
1476         PR target/23376
1477         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
1478         force_operand will work later on using have_insn_for.
1479
1480 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1481
1482         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
1483
1484 2005-08-16  Ian Lance Taylor  <ian@airs.com>
1485
1486         PR c++/23337
1487         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
1488         vector type, don't try to construct it element by element.  Add an
1489         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
1490
1491 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1492
1493         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
1494
1495 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
1496
1497         * doc/invoke.texi (Precompiled Headers): Document some more options
1498         which are known to be safe.
1499
1500 2005-08-16  James E Wilson  <wilson@specifix.com>
1501
1502         PR tree-optimization/21105
1503         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1504         TREE_OVERFLOW check.
1505
1506 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
1507
1508         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
1509         (neg_ltu<mode>): Same.
1510         (gtu<mode>): Same.
1511         (neg_gtu<mode>): Same.
1512
1513 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1514
1515         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
1516         (fold_builtin_isdigit): Use fold_buildN.
1517         (build_function_call_expr): Likewise.
1518         * c-typeck.c (c_finish_loop): Likewise.
1519
1520 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
1521             Richard Shann <rshann@superh.com>
1522
1523         PR middle-end/20396:
1524         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
1525
1526 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
1527
1528         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
1529
1530 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
1531
1532         PR target/23355
1533         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
1534         arm_compure_save_reg0_reg12_mask to determine when the PIC register
1535         must be saved.
1536
1537 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1538
1539         PR middle-end/23369
1540         * fold-const.c (build_range_check): Disable optimization for function
1541         pointer expressions on targets that require function pointer
1542         canonicalization.
1543
1544 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
1545
1546         * simplify-rtx.c (simplify_const_relational_operation): When
1547         extracting arguments of a COMPARE, recompute the mode as well.
1548
1549 2005-08-15  Ian Lance Taylor  <ian@airs.com>
1550
1551         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
1552
1553 2005-08-15  DJ Delorie  <dj@redhat.com>
1554
1555         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
1556         the stack.
1557         (movsi_splittable): Allow, but split, moves to the stack.
1558         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
1559         stack.
1560
1561 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1562
1563         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
1564         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
1565         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
1566
1567         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
1568         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
1569         Delete HOST_PTR_PRINTF.
1570
1571         * configure, config.in: Regenerate.
1572
1573 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
1574
1575         * config/rs6000/rs6000.md (QHSI): New mode macro.
1576         (wd): Extend mode attr for QImode and HImode
1577         (dbits): New mode attr.
1578         (zero_extend<mode>di2): Convert to mode macro.
1579
1580 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
1581
1582         PR target/21841
1583         * doc/invoke.texi (-mgnu-ld): Update description.
1584         (-mhp-ld): Ditto.
1585
1586 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
1587
1588         PR 23391
1589         * Makefile.in (tree-chrec.o): Depends on real.h.
1590         * tree-chrec.c: Include real.h.
1591         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
1592         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
1593         * tree-scalar-evolution.c (add_to_evolution_1,
1594         interpret_rhs_modify_expr): Ditto.
1595
1596 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
1597
1598         PR 23386
1599         * tree-data-ref.c (estimate_niter_from_size_of_data): When
1600         step is negative compute the estimation from init downwards to zero.
1601
1602 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
1603
1604         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
1605
1606 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
1607
1608         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
1609         constraint.
1610         (legitimate_reload_constant_p): Fix handling of lliXX operands.
1611         Accept double-word constants that can be split.
1612         * config/s390/s390.md ("movti"): Use 'P' constraint.
1613         ("*movdi_31", "*movdf_31"): Likewise.
1614
1615 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
1616
1617         Fix PR tree-optimization/22615
1618
1619         * tree-ssa-structalias.c (solution_set_add): Handle
1620         first_vi_for_offset returning NULL.
1621         (do_da_constraint): Ditto.
1622         (do_sd_constraint): Ditto.
1623         (do_ds_constraint): Ditto
1624         (find_func_aliases): Ditto.
1625         (build_constraint_graph): RHS is allowed be ANYTHING.
1626         (first_vi_for_offset): Return NULL if we couldn't find anything at
1627         the offset.
1628
1629 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
1630
1631         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
1632         over memory as first operand.
1633
1634 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
1635
1636         PR target/23360
1637         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
1638         available for setting it.
1639
1640 2005-08-14  Ira Rosen  <irar@il.ibm.com>
1641
1642         PR tree-optimization/23320
1643         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
1644         data-refs' types instead of base object nullness. Add check for
1645         pointer type data-refs before first location comparison. Remove
1646         assert.
1647
1648 2005-08-14  Andreas Schwab  <schwab@suse.de>
1649
1650         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
1651
1652 2005-08-13  James E Wilson  <wilson@specifix.com>
1653
1654         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
1655         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
1656         -fstack-protector-all, --param ssp-buffer-size): Document.
1657         (-Wvariadic-macros): Alphabetize.
1658         (-fsched-stalled-insns-dep): Add missing 'f'.
1659
1660         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
1661         macros.
1662
1663 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
1664
1665         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
1666         or indirect address operand.
1667         (EXTRA_ADDRESS_CONSTRAINT): New.
1668         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
1669
1670 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
1671
1672         PR tree-optimization/22236
1673         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
1674         successors and predecessors.
1675         * tree-chrec.c (chrec_convert): Before converting, check that
1676         sequences don't wrap.
1677         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
1678         (analyze_array): Extern.
1679         (find_data_references_in_loop): Remove call to
1680         compute_estimated_nb_iterations.
1681         * tree-data-ref.h (analyze_array): Declared.
1682         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
1683         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
1684         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
1685         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
1686         condition.
1687         * tree-ssa-loop-ivcanon.c: Fix documentation.
1688         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
1689         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
1690         (infer_loop_bounds_from_undefined): New.
1691         (estimate_numbers_of_iterations_loop): Use
1692         infer_loop_bounds_from_undefined.
1693         (used_in_pointer_arithmetic_p): New.
1694         (scev_probably_wraps_p): Pass an extra parameter.  Call
1695         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
1696         (convert_step): Fix documentation.
1697         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
1698         Use initial_condition_in_loop_num and evolution_part_in_loop_num
1699         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
1700         scev_probably_wraps_p.
1701
1702 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
1703
1704         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
1705         (s390_register_info): Ignore clobbered_regs information for fixed
1706         registers, and only fixed registers.
1707         (s390_init_frame_layout): Remove redundant call.
1708
1709 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
1710
1711         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
1712         description of -Wold-style-casts.
1713
1714 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1715             Jakub Jelinek  <jakub@redhat.com>
1716
1717         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
1718         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
1719         * config/s390/s390.c (print_operand): New output modifier 'G' added.
1720         (get_thread_pointer): Renamed to s390_get_thread_pointer.
1721         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
1722         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
1723         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
1724         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
1725         ("stack_protect_set", "stack_protect_test"): New expanders.
1726         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
1727         "stack_protect_testdi"): New insn definitions.
1728
1729 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1730
1731         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
1732
1733 2005-08-12  Paul Brook  <paul@codesourcery.com>
1734
1735         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
1736
1737 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1738
1739         * config/s390/predicates.md (setmem_operand): New predicate.
1740         (shift_count_operand): Accept ANDs with special constants as
1741         operand.
1742         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
1743         with special constants.
1744         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
1745         shift_count_operand with setmem_operand.
1746
1747 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1748
1749         * config/s390/s390.c (s390_extract_part, s390_single_part):
1750         Type cast added.
1751         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
1752         (s390_output_mi_thunk): Don't use lg on 31 bit.
1753         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
1754         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
1755
1756 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1757
1758         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
1759         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
1760         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
1761         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
1762         with one of the new macros.
1763
1764 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1765
1766         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
1767         Don't set save_return_addr_p.
1768         (s390_register_info): Make clobbered_regs not depending on
1769         save_return_addr_p.
1770
1771 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1772
1773         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
1774         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
1775
1776 2005-08-11  James E. Wilson  <wilson@specifix.com>
1777
1778         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
1779
1780 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
1781
1782         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
1783         locations gathered by var-tracking in single entry loc_list
1784         over loc_descriptor_from_tree.
1785
1786         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
1787         pass it down to loc_descriptor.
1788         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
1789         (containing_function_has_frame_base): Move earlier in the file.
1790         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
1791         instead of always assuming fbreg can't be used.
1792
1793 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
1794
1795         * config/rs6000/altivec.md: Change constraint "m" to "Z".
1796         * config/rs6000/predicates.md (indexed_or_indirect_operand):
1797         Accept address wrapped in AND for Altivec.
1798         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
1799         Strip AND wrapping offset address for Altivec.
1800
1801 2005-08-11  Richard Henderson  <rth@redhat.com>
1802
1803         PR middle-end/23312
1804         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
1805         before using TYPE_IS_SIZETYPE.
1806
1807 2005-08-11  Richard Henderson  <rth@redhat.com>
1808
1809         PR target/22225
1810         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
1811         insn types not present on ev4.
1812         (alphaev5_insn_pipe): Similarly.
1813
1814 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
1815
1816         PR target/23250
1817         * arm.c (arm_override_options): If the user has selected callee-super-
1818         interworking, then enable normal interworking.
1819
1820 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1821
1822         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
1823         redefinition.
1824
1825 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
1826
1827         * doc/rtl.texi: Fix two typos.
1828
1829 2005-08-11  Richard Guenther  <rguenther@suse.de>
1830
1831         PR target/23289
1832         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
1833         cases where we call to/from functions returning void.
1834
1835 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
1836
1837         PR c++/23225
1838         * tree.c (build_pointer_type_for_mode): Robustify.
1839
1840 2005-08-10  James E Wilson  <wilson@specifix.com>
1841
1842         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
1843         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
1844
1845         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
1846         "cum->".
1847
1848 2005-08-10  Eric Christopher  <echristo@apple.com>
1849
1850         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
1851         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
1852         V2DFmode.
1853
1854 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
1855
1856         PR target/21887
1857         * config/darwin.c (machopic_indirect_data_reference): Use a new register
1858         for the high part when generating dynamic-no-pic code.
1859
1860 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
1861
1862         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
1863         (x86_64-*-linux*): Likewise.
1864
1865         * config/i386/crtfastmath.c: New file.
1866         * config/i386/t-crtfm: Likewise.
1867
1868         * config/i386/linux.h (ENDFILE_SPEC): New.
1869         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
1870
1871         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1872         crtfastmath.o.
1873
1874 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
1875
1876         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
1877         (vec_shl, vec_shr): Document new operations.
1878         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
1879
1880 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
1881
1882         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
1883         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
1884         change predicate to indexed_or_indirect_address.
1885
1886 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
1887
1888         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
1889         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
1890         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
1891         and __aeabi_uwrite8.
1892         * config/arm/unaligned-funcs.c: New file.
1893         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
1894
1895 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
1896
1897         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
1898         Add dump.
1899         * cfglayout.c (pass_insn_locators_initialize): Add dump.
1900         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
1901         Add dump.
1902         * except.c (pass_convert_to_eh_region_ranges): Add dump.
1903         * final.c (pass_shorten_branches): Add dump.
1904         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
1905         (pass_life): Rename dump.
1906         (rest_of_handle_flow2): Remove initial verify_flow_info.
1907         * function.c (pass_instantiate_virtual_regs): Add dump.
1908         * integrate.c (pass_initial_value_sets): Add dump.
1909         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
1910         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
1911         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
1912         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
1913         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
1914         gate_rtl_unrool_and_peel_loops): New.
1915         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
1916         rtl_doloop): Do not look at flags.
1917         * mode-switching.c (pass_mode_switching): Add dump.
1918         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
1919         pass_split_before_regstack): Add dump.
1920         * regmove.c (pass_stack_adjustments): Add dump.
1921         * tree-optimize.c (pass_fixup_cfg): Add dump.
1922
1923 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1924
1925         PR 23309
1926         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
1927         deciding which instruction sequence to use.
1928
1929 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
1930
1931         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
1932         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
1933
1934 2005-08-09  Richard Guenther  <rguenther@suse.de>
1935
1936         * c-common.c (builtin_function_2): Remove.
1937         (def_builtin_1): New function.
1938         (c_common_nodes_and_builtins): Use def_builtin_1 to
1939         build builtin functions.
1940
1941 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
1942
1943         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
1944         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
1945         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
1946         Visual DSP.
1947
1948 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
1949
1950         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
1951         fold_binary instead of fold_build2 since we don't care about the
1952         resulting tree.
1953         (loop_niter_by_eval): Likewise.
1954         (compare_trees): Likewise.
1955         (proved_non_wrapping_p): Likewise.
1956
1957 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
1958
1959         PR c/23161
1960         PR c/23165
1961         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
1962         if the if is really empty.
1963
1964 2005-08-09  Steven Bosscher  <stevenb@suse.de>
1965
1966         PR tree-optimization/23234
1967         * tree-ssa-math-opts.c (place_reciprocal): New enum.
1968         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
1969         argument of the new enum.
1970         (execute_cse_reciprocals): Add reciprocals for function arguments
1971         on the unique successor edge of the entry block.  Update other calls
1972         to execute_cse_reciprocals_1.
1973
1974 2005-08-08  Richard Henderson  <rth@redhat.com>
1975
1976         PR 22439
1977         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
1978
1979 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
1980
1981         * expr.c (write_complex_part): Return after handling MEM.
1982
1983 2005-08-08  Josh Conner  <jconner@apple.com>
1984
1985         PR rtl-optimization/23241
1986         * combine.c (simplify_comparison): Fix error in determining
1987         whether to lift a subreg from comparison.
1988
1989 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
1990
1991         PR target/18506
1992         * config/rs6000/altivec.md (vec_init<mode>): New.
1993         (vec_set<mode>): New.
1994         (vec_extract<mode>): New.
1995         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
1996         (rs6000_expand_vector_set): New.
1997         (rs6000_expand_vector_extract): New.
1998         (rs6000_legitimate_offset_address_p): Offset addresses are valid
1999         for Altivec modes before reload.
2000         (altivec_expand_vec_init_builtin): New.
2001         (get_element_number): New.
2002         (altivec_expand_vec_set_builtin): New.
2003         (altivec_expand_vec_ext_builtin): New.
2004         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
2005         builtins.
2006         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
2007         builtins.
2008         * config/rs6000/rs6000.h (rs6000_builtins): Add
2009         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
2010         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
2011         * config/rs6000/rs6000-protos.h: Declare new functions.
2012
2013 2005-08-08  Jan Hubicka  <jh@suse.cz>
2014
2015         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
2016         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
2017         * i386.md (movdi*): Use pic_32bit_operand.
2018         * predicates.md (pic_32bit_operand): New.
2019
2020 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
2021
2022         PR c++/21166
2023         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
2024
2025 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
2026
2027         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
2028         (test_for_singularity): Use fold_build2.
2029
2030 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2031
2032         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
2033
2034 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
2035
2036         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2037         (COMMON_ASM_OP) Define.
2038         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
2039         (ix86_encode_section_info): Likewise.
2040         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
2041         SUBTARGET_ENCODE_SECTION_INFO.
2042
2043 2005-08-06  Richard Henderson  <rth@redhat.com>
2044
2045         PR 21894
2046         * tree-nested.c (convert_local_reference): Save and restore val_only
2047         around component_ref and friends.  Clear walk_subtrees by default.
2048
2049 2005-08-06  Peter O'Gorman  <peter@pogma.com>
2050
2051         PR 21366
2052         * gcc.c (process_command): Check the argument to -b has a dash.
2053         * doc/invoke.texi: Update -b and -V docs.
2054
2055 2005-08-06  James E Wilson  <wilson@specifix.com>
2056
2057         * config/mips/cross64.h, config/mips/t-cross64: Delete.
2058
2059 2005-08-06  Michael Matz  <matz@suse.de>
2060
2061         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
2062         member only if only one insn is associated with the value.
2063
2064 2005-08-06  Nick Clifton  <nickc@redhat.com>
2065
2066         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
2067         New define.
2068         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
2069         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
2070         Check symbol flags instead of symbol name mangling.
2071         (xstormy16_asm_output_aligned_common): Likewise.  Also
2072         simplify code since the bss100_section cass is the only case
2073         where the below100 code will be triggered.
2074         (xstormy16_encode_section_info): Encode below100 attribute
2075         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
2076         the name.
2077         (xstormy16_strip_name_encoding): Delete - this function is no
2078         longer needed.
2079         (TARGET_STRIP_NAME_ENCODING): Undefine.
2080         * config/stormy16/stormy16-protos.h: Delete prototype for
2081         xstormy16_strip_name_encoding.
2082
2083 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
2084
2085         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
2086         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
2087         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
2088         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
2089         config/alpha/predicates.md, config/arc/arc.h,
2090         config/arm/arm.h, config/arm/ieee754-df.S,
2091         config/arm/ieee754-sf.S, config/bfin/bfin.c,
2092         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
2093         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
2094         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
2095         config/m68hc11/m68hc11.h, config/mips/mips.c,
2096         config/mips/mips.h, config/mips/openbsd.h,
2097         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
2098         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
2099         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2100         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2101         config/sparc/linux.h, config/sparc/linux64.h,
2102         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
2103         doc/extend.texi, doc/gcov.texi, doc/install.texi,
2104         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
2105         typos.  Follow spelling conventions.
2106
2107 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
2108
2109         PR c/23113
2110         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
2111         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
2112         specially.  Check for side effects only for COND_EXPR.
2113         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
2114         return with TREE_NO_WARNING.
2115
2116 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
2117
2118         PR rtl-optimization/23233
2119         * loop.c (combine_movables): Require the modes to be the same.
2120         (move_movables): Remove handling of cases where the replacement
2121         had a different mode to the original.
2122
2123 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
2124
2125         PR tree-optimization/23128
2126         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
2127         subtraction wrap, and set TREE_OVERFLOW if they do.
2128
2129 2005-08-05  Richard Henderson  <rth@redhat.com>
2130
2131         PR 21728
2132         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
2133         FORCED_LABEL labels.
2134
2135 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
2136
2137         PR middle-end/23135
2138         * reload.c (find_reloads_subreg_address): Pass down TYPE
2139         unchanged.  Change all callers except find_reloads_toplev.
2140
2141 2005-08-05  Michael Matz  <matz@suse.de>
2142
2143         * genattrtab.c (current_alternative_string): Remove.
2144         (SIMPLIFY_ALTERNATIVE): Ditto.
2145         (attr_alt_bit_p): Ditto.
2146         (alternative_name): Make const char *.
2147         (evaluate_eq_attr): Remove use of above things.
2148         (simplify_test_exp): Ditto.
2149         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
2150         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
2151
2152 2005-08-04  James E Wilson  <wilson@specifix.com>
2153
2154         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
2155         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
2156         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
2157         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
2158         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
2159
2160 2005-08-04  Richard Henderson  <rth@redhat.com>
2161
2162         PR 21529
2163         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
2164         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
2165         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
2166         if we'd have to instantiate too many members.
2167
2168 2005-08-04  Richard Henderson  <rth@redhat.com>
2169
2170         PR 21291
2171         * tree-outof-ssa.c (coalesce_asm_operands): New.
2172         (coalesce_ssa_name): Use it.  Split out ...
2173         (coalesce_phi_operands, coalesce_result_decls): ... these.
2174
2175 2005-08-04  Paul Brook  <paul@codesourcery.com>
2176
2177         * read-rtl.c (read_quoted_string): Break if EOF.
2178
2179 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
2180
2181         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
2182         (fold_build2): Likewise.
2183         (fold_build3): Likewise.
2184         (fold_build1_stat): New function prototype.
2185         (fold_build2_stat): Likewise.
2186         (fold_build3_stat): Likewise.
2187         * fold-const.c (fold_build1): Rename to ..
2188         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2189         through to build1_stat.
2190         (fold_build2): Rename to ..
2191         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2192         through to build2_stat.
2193         (fold_build3): Rename to ..
2194         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2195         through to build3_stat.
2196
2197 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
2198             Ian Lance Taylor  <ian@airs.com>
2199
2200         * function.c (assign_stack_local_1): Do not correct stack slot
2201         address if allocation size is smaller than mode size.
2202
2203 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
2204
2205         PR 22037
2206         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
2207         (tree_merge_blocks): Propagate anything allowed by
2208         may_propagate_copy.
2209         Clarify documentation.
2210         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
2211         SSA form, schedule an update if necessary.
2212
2213 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
2214
2215         * doc/install.texi (Binaries): Remove broken link to
2216         Sinix/Reliant Unix binaries.
2217
2218 2005-08-03  Richard Henderson  <rth@redhat.com>
2219
2220         PR 23221
2221         * function.c (stack_protect_epilogue): Export.
2222         * tree.h (stack_protect_epilogue): Declare.
2223         * calls.c (expand_call): Call it.
2224
2225 2005-08-03  Eric Christopher  <echristo@apple.com>
2226
2227         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
2228         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
2229         spec.
2230
2231 2005-08-04  Jan Hubicka  <jh@suse.cz>
2232
2233         * profile.c (branch_prob): Split edges with goto locus on them
2234         to get proper line counts.
2235         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
2236
2237 2005-08-03  Paul Brook  <paul@codesourcery.com>
2238
2239         * function.c (assign_parms): Round current_function_args_size
2240         to PARM_BOUNDARY, not STACK_BOUNDARY.
2241
2242 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
2243
2244         * config/i386/i386.c (x86_elf_aligned_common)
2245         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
2246
2247 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
2248
2249         PR tree-optimization/23157
2250         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
2251         before emitting them.
2252
2253 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2254
2255         PR tree-optimization/19899
2256         * Makefile.in (tree-scalar-evolution.o): Add real.h.
2257         * tree-scalar-evolution.c: Include real.h.
2258         (add_to_evolution): Build constant -1 of correct type.
2259
2260 2005-08-03  Jan Hubicka  <jh@suse.cz>
2261
2262         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
2263         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
2264         profile updating for complette unrolling.
2265         * loop-unroll.c (peel_loop_completely): Use it.
2266         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2267         (tree_unroll_loops_completely): Disable code growing unrolling of cold
2268         loops.
2269
2270 2005-08-03  Paul Brook  <paul@codesourcery.com>
2271
2272         * combine.c (can_change_dest_mode): New function.
2273         (try_combine, simplify_set): Use it.
2274
2275 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
2276
2277         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
2278         TFmode to BLKmode.
2279
2280 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
2281
2282         * doc/install.texi (Specific): Adjust link to openavr.org.
2283         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
2284         (Binaries): Adjust HP-UX Porting Center link.
2285         (Binaries): Adjust Free Software Foundation ordering link.
2286
2287 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
2288
2289         * convert.c (convert_to_integer): Use fold_build1 instead of
2290         build1 when converting an integer to an integer.
2291
2292 2005-08-02  Richard Henderson  <rth@redhat.com>
2293
2294         * combine.c (combine_instructions): Don't use reg_equal/equiv
2295         results if the mode doesn't match.
2296
2297 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
2298
2299         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
2300         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
2301
2302 2005-08-02  Richard Henderson  <rth@redhat.com>
2303
2304         PR 23196
2305         * explow.c (memory_address): Remove special-case for
2306         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
2307
2308 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
2309
2310         PR 23164
2311         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
2312         number of calls to cleanup_tree_cfg_1.
2313
2314 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
2315
2316         * doc/invoke.texi: document file extensions .F90 and .F95
2317
2318 2005-08-02  Richard Guenther  <rguenther@suse.de>
2319
2320         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
2321         positive if its first argument is positive.
2322
2323 2005-08-02  Richard Guenther  <rguenther@suse.de>
2324
2325         PR tree-optimization/23177
2326         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
2327         on TMR_TAG.
2328
2329 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
2330
2331         PR tree-optimization/23129
2332         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
2333         varying for divisions with anti-ranges.
2334
2335 2005-08-02  Jan Hubicka  <jh@suse.cz>
2336
2337         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
2338         * tree-ssa-threadupdate.c (thread_block): Add it here.
2339
2340 2005-08-01  James E Wilson  <wilson@specifix.com>
2341
2342         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
2343         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
2344         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
2345         New.
2346         * config/mips/predicates.md (const_call_insn_operand): Add check for
2347         SYMBOL_REF_LONG_CALL_P.
2348         * doc/extend.texi (long_call): Document the new attribute.
2349
2350 2005-08-01  Ian Lance Taylor  <ian@airs.com>
2351             Richard Henderson  <rth@redhat.com>
2352
2353         * Makefile.in (RTL_BASE_H): Add real.h.
2354         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
2355         instead of memcpy.
2356         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
2357         directly.
2358         * rtl.c (rtl_check_failed_code_mode): New.
2359         * rtl.h (struct rtx_def): Add u.rv.
2360         (XCMWINT, XCNMPRV): New.
2361         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
2362         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
2363
2364 2005-08-01  Richard Henderson  <rth@redhat.com>
2365
2366         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
2367         with auto-inc codes.
2368
2369         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
2370
2371 2005-08-01  Jan Hubicka  <jh@suse.cz>
2372
2373         * i386-protos.h (asm_preferred_eh_data_format): Declare.
2374         * i386.c: Include dwarf2.h
2375         (asm_preferred_eh_data_format): New.
2376         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
2377
2378 2005-08-01  Ian Lance Taylor  <ian@airs.com>
2379
2380         * config/host-linux.c (linux_gt_pch_get_address): Add new name
2381         randomize_va_space for virtual address randomization control.
2382
2383 2005-08-01  Steven Bosscher  <stevenb@suse.de>
2384
2385         * common.opt (flag_ipa_cp): Put in right place to maintain
2386         alphabetic sort.
2387
2388 2005-08-01  Jan Hubicka  <jh@suse.cz>
2389
2390         * profile.c (compute_value_histograms): Fix thinko.
2391         * value-prof.c: Include toplev.h
2392         (check_counter): New function.
2393         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
2394         tree_mod_subtract_transform): Add sanity check.
2395
2396 2005-08-01  Richard Guenther  <rguenther@suse.de>
2397
2398         PR tree-optimization/23133
2399         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
2400         current functions parameter decls to find defs to cse
2401         reciprocals of.
2402
2403 2005-08-01  Richard Guenther  <rguenther@suse.de>
2404
2405         PR tree-optimization/23109
2406         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
2407         If trapping math is in effect, use post-dominator information
2408         to check if we'd in any case reach a trapping point before
2409         doing the reciprocal insertion.
2410         (execute_cse_reciprocals): Compute post-dominators, if necessary.
2411         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
2412         expressions are invariant only if trapping math is not in effect.
2413
2414 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
2415
2416         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
2417         cgraph_function_versioning): New declarations.
2418         * cgraphunit.c: Add include to ipa-prop.h.
2419         (update_call_expr, cgraph_copy_node_for_versioning,
2420         cgraph_function_versioning): New functions.
2421         * integrate.c (copy_decl_for_inlining): Remove.
2422         * ipa-prop.h (ipa_replace_map): New struct.
2423         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
2424         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
2425         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
2426         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
2427         ipcp_iterate_stage, ipcp_method_scale_print,
2428         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
2429         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
2430         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
2431         ipcp_update_bb_counts, ipcp_update_profiling,
2432         ipcp_update_edges_counts): New functions.
2433         (ipcp_method_cval_init): Remove restriction regarding local methods.
2434         (ipcp_init_stage): Add ipcp_method_compute_scale.
2435         (ipcp_insert_stage): Add versioning.
2436         (ipcp_structures_print): Add ipcp_method_scale_print.
2437         (ipcp_driver): Dump profiling info.
2438         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
2439         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
2440         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
2441         (struct inline_data): Add versioning_p, ipa_info, new fields.
2442         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
2443         declare_return_variable): Replace calls to copy_decl_for_inlining with
2444         copy_decl_for_dup.
2445         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
2446         versioning support.
2447         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
2448         Add argument VERSIONING.
2449         (copy_arguments_for_versioning, copy_static_chain,
2450         function_versionable_p, tree_versionable_function_p,
2451         tree_function_versioning, replace_ref_tree): New functions.
2452         * tree-inline.h: Include varray.h.
2453         (tree_versionable_function_p,  tree_function_versioning,
2454         tree copy_decl_for_dup): New declarations.
2455
2456 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
2457
2458         * ipa-cp.c: New file. Contains IPCP specific functionality.
2459         * ipa-prop.h: New file. Contains structures/definitions that can be
2460         used by several interprocedural data flow optimizations (and also IPCP).
2461         * ipa-prop.c: New file.
2462         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
2463         * common.opt: Add ipa-cp flag.
2464         * timevar.def: Add IPCP optimization.
2465         * tree-optimize.c (init_tree_optimization_passes): Schedule
2466         pass_ipa_cp.
2467         * tree-pass.h (pass_ipa_cp): Declare.
2468
2469 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
2470
2471         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
2472         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
2473         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
2474         config/i386/i386.c, config/mips/mips.h,
2475         config/rs6000/rs6000.h, config/sh/sh.c,
2476         config/stormy16/stormy16.c: Fix comment typos.
2477
2478 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
2479
2480         PR c/22311
2481         * c-typeck.c (build_binary_op): Use common_type wrapper on
2482         shortened types.
2483         (common_type): Update comment.
2484
2485 2005-07-31  Steven Bosscher  <stevenb@suse.de>
2486
2487         PR target/23095
2488         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
2489         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
2490         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
2491
2492 2005-07-31  Jan Hubicka  <jh@suse.cz>
2493
2494         * pretty-print.h (pp_widest_integer): New macro.
2495         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
2496         counts.
2497
2498 2005-07-31  Jan Hubicka  <jh@suse.cz>
2499
2500         * output.h (enum section_category): Export from varasm.c
2501         (categorize_decl_for_section): Likewise.
2502         * varasm.c (enum section_category): Kill.
2503         (categorize_decl_for_section): Make global.
2504         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
2505         Declare.
2506         * i386.c (ix86_section_threshold): New static variable.
2507         (ix86_in_large_data_p, ix86_encode_section_info,
2508         x86_64_elf_unique_section,
2509         x86_64_elf_select_section): New functions.
2510         (TARGET_ENCODE_SECTION_INFO): Define
2511         (override_options): Enable medium model for PIC.
2512         (ix86_expand_prologue): Expand gen_set_got_rex64.
2513         (legitimate_constant_p): Handle new UNSPECs.
2514         (legitimate_pic_address_disp_p): Likewise.
2515         (legitimize_pic_address): Lower MEDIUM model addressing.
2516         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
2517         (enum cmodel): Add MEDIUM_PIC.
2518         (SYMBOL_REF_FAR_ADDR_P): New macro.
2519         (SYMBOL_FLAG_FAR_ADDR): New flag.
2520         * i386.md (movdi): Support medium model.
2521         (set_got_rex64): New pattern.
2522         * i386.opt (mlarge-data-threshold): New flag.
2523         * predicates.md (zext_operand/sext_operand): Deal with medium model.
2524         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
2525         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
2526         TARGET_ASM_UNIQUE_SECTION): New.
2527
2528         * invoke.texi (-mlarge_data_threshold): Document
2529
2530 2005-07-31  Jan Hubicka  <jh@suse.cz>
2531
2532         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
2533         (coalesce_vars): Likewise.
2534         * tree-ssa-live.c (coalesce_cost): New.
2535         (build_tree_conflict_graph): Use coalesce_cost.
2536         * tree-ssa-live.h (coalesce_cost): Declare.
2537
2538 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
2539
2540         * arm.md (all peepholes for post-increment operations): Delete.
2541         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
2542         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
2543         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
2544         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
2545         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
2546
2547 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
2548
2549         * fold-const.c (tree_expr_nonnegative_p): Always return true for
2550         non-integral types.
2551
2552 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
2553
2554         PR target/22582
2555         * doc/invoke.texi: Document -rdynamic.
2556
2557 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
2558
2559         PR c/23143
2560         * c-parser.c (c_parser_parms_list_declarator): Call
2561         mark_forward_parm_decls.
2562         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
2563         decls with visibility structure.
2564
2565 2005-07-30  Paul Brook  <paul@codesourcery.com>
2566
2567         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
2568
2569 2005-07-30  Paul Brook  <paul@codesourcery.com>
2570
2571         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
2572         prototype.
2573         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
2574         value for mode.
2575         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
2576
2577 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
2578
2579         PR c/529
2580         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
2581         nested function declarators.
2582         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
2583         (grokparms): Call warn_if_shadowing for parameters used within the
2584         parameter list.
2585         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
2586         not used within the parameter list.
2587         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
2588
2589 2005-07-30  Jan Hubicka  <jh@suse.cz>
2590
2591         * expr.c (expand_expr_real_1): Do not load mem targets into register.
2592         * i386.c (ix86_fixup_binary_operands): Likewise.
2593         (ix86_expand_unary_operator): Likewise.
2594         (ix86_expand_fp_absneg_operator): Likewise.
2595         * optabs.c (expand_vec_cond_expr): Validate dest.
2596
2597 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
2598
2599         PR c/21720
2600         * real.c (real_from_string): Also set last bit if there is a
2601         nonzero hex digit beyond GCC's internal precision after ".".
2602
2603 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
2604
2605         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
2606         define_constants.  Change duplicate values to unassigned numbers.
2607         Change UNSPEC_SUBS to UNSPEC_VSUBS.
2608         (*altivec_vspltsf): New.
2609         (altivec_vperm_v4sf): Delete.
2610         (altivec_vperm_<mode>): Use mode macro V.
2611         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
2612         (altivec_predicate_v4sf): Delete.
2613         (altivec_predicate_<mode>): Use mode macro V.
2614         (*altivec_lvesfx): New.
2615         (*altivec_stvesfx): New.
2616         (vec_realign_load_v4sf): Delete.
2617         (vec_realign_load_<mode>): Use mode macro V.
2618         * config/rs6000/rs6000.c (generate_set_vrsave): Use
2619         UNSPECV_SET_VRSAVE.
2620
2621 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
2622
2623         PR bootstrap/23131
2624         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
2625         string.
2626         * configure: Regenerated.
2627
2628 2005-07-29  Paul Brook  <paul@codesourcery.com>
2629
2630         * doc/install.texi: Add link to GFortran binaries wiki page.
2631
2632 2005-07-29  David Ung  <davidu@mips.com>
2633
2634         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
2635         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
2636         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
2637         * config/mips/mips.md (cpu): Add 5kf name.
2638         (includes): Includes 5k.md.
2639         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
2640         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
2641         -march flag.
2642
2643 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
2644
2645         PR 22550
2646         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
2647         (cleanup_tree_cfg): ... here.
2648         Call cleanup_tree_cfg_1 until there are no more cleanups to
2649         do.
2650
2651 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
2652
2653         * tree-vrp.c (compare_range_with_value): Return true or false
2654         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
2655         EQ_EXPR respectively.
2656
2657 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
2658
2659         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
2660         Fix comment typos.
2661
2662 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
2663
2664         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
2665         (tree_ssa_dominator_optimize): Increment it.
2666         (dump_dominator_optimization_stats): Print it.
2667
2668 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
2669             Steven Bosscher  <stevenb@suse.de>
2670
2671         PR rtl-optimization/23117
2672         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
2673         when head == tail.  Tidy comment.
2674
2675 2005-07-28  Richard Henderson  <rth@redhat.com>
2676
2677         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
2678         * cselib.c (rtx_equal_for_cselib_p): Likewise.
2679         * jump.c (rtx_renumbered_equal_p): Likewise.
2680         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
2681         CONST_INT and CONST_DOUBLE.
2682         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
2683         * reload.c (operands_match_p): Special case CONST_INT and
2684         CONST_DOUBLE; check mode earlier.
2685
2686 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
2687
2688         PR c/22240
2689         * c-typeck.c (convert_for_assignment): Do not check
2690         DECL_IN_SYSTEM_HEADER on NULL fundecl.
2691
2692 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
2693
2694         PR c/22192
2695         * c-typeck.c (composite_type): Prefer constant size arrays to
2696         VLAs.
2697
2698 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
2699
2700         PR c/21720
2701         * real.c (real_from_string): Set last bit if there is a nonzero
2702         hex digit beyond GCC's internal precision.
2703
2704 2005-07-28  Richard Henderson  <rth@redhat.com>
2705
2706         PR rtl-opt/22619
2707         * cfgcleanup.c (try_forward_edges): Watch out for end of
2708         insn chain.
2709
2710 2005-07-28  James E Wilson  <wilson@specifixinc.com>
2711
2712         PR c/23106
2713         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
2714
2715 2005-07-28  Jan Hubicka  <jh@suse.cz>
2716
2717         * Makefile.in (rtl-profile.o): Kill all traces of it.
2718         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
2719         * coverage.h (rtl_coverage_counter_ref): Kill.
2720         * opts.c (flag_speculative_prefetching_set): Kill.
2721         (flag_loop_optimize_set): New.
2722         (common_handle_option): Disable loop optimizer when profiling;
2723         do not handle speculative prefetching.
2724         * passes.c (init_optimization_passes): Replace pass_profiling combo
2725         by branch_prob pass.
2726         * profile.c (compute_value_histograms): Update for simplified value
2727         profiles.
2728         (rtl_register_profile_hooks): Kill.
2729         (pass_profiling): Kill.
2730         (rest_of_handle_branch_prob): Do not profile.
2731         * toplev.c (process_options): Remove speculative prefetching.
2732         * toplev.h (flag_tree_based_profiling): Kill.
2733         * tree-profile.c (prepare_instrumented_value,
2734         tree_gen_interval_profiler, tree_gen_pow2_profiler,
2735         tree_gen_one_value_profiler, do_tree_profiling): Update for
2736         simplified datastructures.
2737         * value-prof.c: Add comment that speculative prefetching was dropped;
2738         update rest of file for simplified datastructures.
2739         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
2740         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
2741         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
2742         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
2743         rtl_mod_subtract, gen_speculative_prefetch,
2744         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
2745         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
2746         (gate_handle_value_profile_transformations,
2747         rest_of_handle_value_profile_transformations,
2748         pass_value_profile_transformations): Kill.
2749         * value-prof.h (histogram_value_t): Remove IL based unions.
2750         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
2751         rtl_profile_hooks): Remove hooks.
2752
2753         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
2754
2755         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
2756         (cgraph_clone_node): Likewise.
2757         * cgraph.h (cgraph_clone_edge): Update prototype.
2758         (cgraph_clone_node): Likewise.
2759         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
2760         cgraph_clone_node.
2761         (lookup_recursive_calls): Consider profile.
2762         (cgraph_decide_recursive_inlining): Fix updating; use new
2763         probability argument; use profile.
2764         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
2765         * tree-inline.c (copy_bb): Update clal of clone_edge.
2766         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
2767
2768         * invoke.texi (min-inline-recursive-probability): Document.
2769
2770 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
2771
2772         * doc/install.texi (Configuration): Update Valgrind homepage.
2773
2774 2005-07-28  Richard Henderson  <rth@redhat.com>
2775
2776         PR middle-end/21362
2777         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
2778         labels we want to delete.
2779         (cfg_layout_merge_blocks): Likewise.
2780
2781 2005-07-28  Richard Henderson  <rth@redhat.com>
2782
2783         PR target/17692
2784         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
2785         when expanding to nothing.
2786
2787 2005-07-28  Josh Conner  <jconner@apple.com>
2788
2789         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
2790         (cgraph_decide_inlining_of_small_functions): Likewise.
2791
2792 2005-07-28  Josh Conner  <jconner@apple.com>
2793
2794         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
2795         direction of badness if negative.
2796         (cgraph_default_inline_p): Add reason to parameters, and assign it
2797         a value.
2798         (cgraph_decide_inlining_of_small_functions): New parameter in call
2799         to cgraph_default_inline_p.
2800         (cgraph_decide_inlining_incrementally): Likewise.
2801         * cgraphunit.c (decide_is_function_needed): Likewise.
2802         * cgraph.h (cgraph_default_inline_p): Likewise.
2803
2804 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2805
2806         * builtins.c: Fix comment typo(s).
2807         * genautomata.c: Likewise.
2808         * gimplify.c: Likewise.
2809         * tree-dfa.c: Likewise.
2810         * tree-flow-inline.h: Likewise.
2811         * tree-into-ssa.c: Likewise.
2812         * tree-ssa-alias.c: Likewise.
2813         * tree-ssa-ccp.c: Likewise.
2814         * tree-ssa-copy.c: Likewise.
2815         * tree-ssa-dce.c: Likewise.
2816         * tree-ssa-dom.c: Likewise.
2817         * tree-ssa-operands.c: Likewise.
2818         * tree-tailcall.c: Likewise.
2819         * tree-vectorizer.c: Likewise.
2820         * tree-vrp.c: Likewise.
2821         * tree.c: Likewise.
2822
2823 2005-07-28  Jeff Law  <law@redhat.com>
2824
2825         * tree-vrp.c (test_for_singularity): Extracted from  ...
2826         (simplify_cond_using_ranges): Attempt to simplify a relational
2827         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
2828
2829 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
2830
2831         PR tree-optimization/22506
2832         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
2833         phis whose argument is constant.
2834
2835 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
2836
2837         PR rtl-optimization/18992
2838         Back out this patch:
2839           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2840           PR optimization/12142
2841           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
2842           uses of the register in the SET_SRC.  Remove unnecessary argument.
2843
2844         Replace it with this:
2845         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
2846         if flag_non_call_exceptions is set and the insn may trap, pass
2847         pc_rtx as dest for recursion.
2848         In SET_SRC part of SET case, if dest is already set, pass it down
2849         unchanged.
2850
2851 2005-07-28  Jan Hubicka  <jh@suse.cz>
2852
2853         * cfg.c (update_bb_profile_for_threading): Use RDIV.
2854         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
2855         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
2856         roundoff errors.
2857         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
2858         profile when available.
2859
2860 2005-07-28  Jan Beulich <jbeulich@novell.com>
2861
2862         * config/ia64/ia64.c (ia64_load_pair_ok): New.
2863         (ia64_print_operand): Describe and handle 'X'.
2864         (ia64_register_move_cost): Also handle FP_REGS.
2865         (ia64_preferred_reload_class): Likewise.
2866         (ia64_secondary_reload_class): Likewise.
2867         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
2868         it. Also check for ITANIUM_CLASS_FLDP.
2869         * config/ia64/ia64.h (FP_REGNO_P): New.
2870         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
2871         (reg_class): Add FP_REGS.
2872         (REG_CLASS_NAMES): Adjust for it.
2873         (REG_CLASS_CONTENTS): Likewise.
2874         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
2875         (REG_CLASS_FROM_LETTER): Handle 'x'.
2876         (CLASS_MAX_NREGS): Handle FP_REGS.
2877         (MEMORY_MOVE_COST): Likewise.
2878         * config/ia64/ia64.md (itanium_class): Add fldp.
2879         (type): Handle fldp.
2880         (movti_internal): More allowable operand combinations. Use ldfp8 when
2881         splitting unnecessary. Remove predicable attribute. Adjust
2882         itanium_class attribute.
2883         (smuldi3_highpart): Remove outdated comment.
2884         (mulditi3, umulditi3, rotlti3): New expanders.
2885         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
2886         (absti2): Disabled new insn for future reference.
2887         Respective new splitters.
2888         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
2889         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
2890         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
2891
2892 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
2893
2894         PR rtl-optimization/23047
2895         * simplify-rtx.c (simplify_const_relational_operation): Respect
2896         flag_wrapv for comparisons with ABS.
2897
2898 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
2899
2900         PR tree-optimization/22493
2901         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
2902         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
2903
2904 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
2905
2906         * config/frv/frv.opt (moptimize-membar): New.
2907
2908         * doc/invoke.texi: Document -moptimize-membar and its inverse.
2909
2910         * config/frv/frv.h: Remove machine_function definition.
2911
2912         * config/frv/frv.c (struct frv_io): New.
2913         (struct machine_function): Moved from frv.h.  Add has_membar_p.
2914         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
2915         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
2916         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
2917         (frv_optimize_membar_global, frv_optimize_membar): New functions.
2918         (frv_reorg): Call frv_optimize_membar when appropriate.
2919         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
2920         (frv_expand_builtin): Adjust calls accordingly.
2921         (frv_io_address_cookie): New function.
2922         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
2923         load or store rather than a special insn.  Add ccnstant address and
2924         io-type operands to the membar.
2925         (frv_ifcvt_modify_tests): Unsign regno.
2926         (frv_ifcvt_modify_tests): Same.
2927
2928         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
2929         UNSPEC_OPTIONAL_MEMBAR constant.
2930         (builtin_read_<mode>): Delete.
2931         (builtin_write_<mode>): Delete.
2932         ("optional_membar_<mode>"): Add operand.
2933
2934         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
2935         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
2936         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
2937         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
2938         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
2939         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
2940         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
2941         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
2942         * testsuite/gcc.target/frv/all-read-write-1.c: New.
2943
2944 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2945
2946         * df.c (df_uses_record): Handle SCRATCH.
2947
2948 2005-07-28  Steven Bosscher  <stevenb@suse.de>
2949
2950         PR debug/20161
2951         * passes.c (rest_of_decl_compilation): If decl is a type and
2952         we have encountered errors, don't emit debug information.
2953
2954 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
2955
2956         * params.def: Fixed comment.
2957
2958 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
2959
2960         PR target/19885
2961         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
2962         (TARGET_ASM_UNALIGNED_HI_OP): Add.
2963         (TARGET_ASM_UNALIGNED_SI_OP): Add.
2964
2965 2005-07-27  Steven Bosscher  <stevenb@suse.de>
2966
2967         PR c++/22003
2968         * varasm.c (assemble_start_function): Don't do anything that may
2969         require a CFG if the current function is a thunk.
2970
2971 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
2972
2973         * doc/install.texi (Prerequisites): Mention that perl is needed
2974         to do export control in libstdc++ targetting Darwin.
2975
2976 2005-07-27  Steven Bosscher  <stevenb@suse.de>
2977
2978         PR rtl-optimization/17808
2979         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
2980         (sched_insns_conditions_mutex_p): Split out from...
2981         (add_dependence): ...here.  But don't call it from here.
2982         (add_dependence_list): Check sched_insns_conditions_mutex_p
2983         before calling add_dependence.
2984         (add_dependence_list_and_free): Likewise.
2985         (fixup_sched_groups): Likewise.
2986         (sched_analyze_1): Likewise.
2987         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
2988         (sched_analyze): Likewise.
2989         (sched_analyze_insn): Likewise.
2990         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
2991         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
2992         dependencies on all COND_EXEC insns to jumps ending basic blocks
2993         when doing intrablock scheduling.
2994         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
2995
2996 2005-07-27  Jeff Law  <law@redhat.com>
2997
2998         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
2999         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
3000         equivalency sets, correctly handle the case were vr0 has an
3001         equivalency set, but vr1 does not.
3002
3003 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
3004
3005         PR tree-optimization/23073
3006         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
3007         vect_print_dump_info before fprintf.
3008
3009 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3010
3011         PR tree-optimize/22348
3012         * tree-ssa-loop-niter.c (number_of_iterations_cond):
3013         Fold the partial computation.
3014
3015 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3016
3017         PR tree-optimization/22325
3018         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
3019         Declare.
3020         * tree-scalar-evolution.c (scev_const_prop): Add generic final
3021         value replacement.
3022         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
3023         (force_var_cost): ... this function.
3024         (compute_phi_arg_on_exit): Export.
3025
3026 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3027
3028         PR tree-optimization/20773
3029         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
3030         edge.
3031
3032 2005-07-27  Richard Guenther  <rguenther@suse.de>
3033
3034         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
3035         Avoid pushing again if current struct contains only
3036         fields we decomposed.
3037
3038 2005-07-27  Jan Hubicka  <jh@suse.cz>
3039
3040         PR tree-optimization/22574
3041         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
3042         not available.
3043
3044         * tree-tailcall.c (decrease_profile): New function.
3045         (eliminate_tail_call): Use it.
3046
3047         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
3048         visibility flags correctly in whole program mode.
3049
3050 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
3051
3052         PR rtl-optimization/22472
3053         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
3054
3055 2005-07-26  Steven Bosscher  <stevenb@suse.de>
3056
3057         PR tree-optimization/22504
3058         * tree-complex.c (expand_complex_addition): Use 'code' instead
3059         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
3060
3061 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
3062
3063         * config.gcc (cpu_type): Add frv case.
3064         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
3065         (supported_defaults): Add fr550 case.
3066
3067 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
3068
3069         PR 22591
3070         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
3071         whether a pointer of type T * may point to objects of type T *.
3072
3073 2005-07-26  DJ Delorie  <dj@redhat.com>
3074
3075         * configure: Regenerate.
3076
3077 2005-07-26  Dale Johannesen  <dalej@apple.com>
3078
3079         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
3080
3081 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
3082
3083         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
3084         Clarify use of "build" in name.
3085
3086 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
3087
3088         * doc/extend.texi (Raw read/write Functions): New section.
3089         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
3090         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
3091         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
3092         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
3093         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
3094         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
3095         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
3096         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
3097         * config/frv/frv.c: Add bdesc_loads global.
3098         Add bdesc_stores global.
3099         (frv_init_builtins): Add support for __builtin_{read/write}*.
3100         (frv_volatile_memref): New.
3101         (frv_expand_load_builtin): New.
3102         (frv_expand_store_builtin): New.
3103         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
3104         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
3105         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
3106         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
3107         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
3108         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
3109         (builtin_read_<mode>): New.
3110         (builtin_write_<mode>): New.
3111         (builtin_write64): New.
3112         (optional_membar_<mode>): New.
3113
3114 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
3115
3116         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
3117         (rather than units) against HOST_BITS_PER_WIDE_INT.
3118
3119 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
3120
3121         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
3122         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
3123         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
3124         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
3125         FSF address.
3126
3127         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
3128         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
3129         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
3130         comment typos.
3131         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
3132
3133 2005-07-26  Richard Guenther  <rguenther@suse.de>
3134
3135         PR tree-optimization/22486
3136         * fold-const.c (fold_unary): Fold away useless component
3137         references of the form (T *)&T.x, if the address
3138         doesn't change.
3139
3140 2005-07-25  James E Wilson  <wilson@specifixinc.com>
3141
3142         * dwarf2out.c (add_call_src_coords_attributes): New.
3143         (gen_inlined_subroutine_die): Call it.
3144         (maybe_emit_file, init_file_table): Add comments.
3145         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
3146         maybe_emit_file.
3147         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
3148         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
3149         * tree.h (BLOCK_SOURCE_LOCATION): New.
3150         (struct tree_block): New field locus.
3151
3152 2005-07-26  Andreas Schwab  <schwab@suse.de>
3153
3154         PR rtl-optimization/23043
3155         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
3156         when allocating a struct unoccr.
3157
3158 2005-07-25  Richard Henderson  <rth@redhat.com>
3159
3160         PR 22626
3161         * tree-complex.c (gate_no_optimization): True if errors.
3162         * Makefile.in (tree-complex.o): Update dependencies.
3163
3164 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
3165
3166         * config/frv/predicates.md (integer_register_operand): Use
3167         GPR_AP_OR_PSEUDO_P.
3168
3169 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
3170
3171         PR tree-opt/22484
3172         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
3173         after fold.
3174         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
3175
3176 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
3177
3178         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
3179         types when flag_unsafe_math_optimizations is true.
3180
3181 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
3182
3183         * gcc.c (option_map): Add --sysroot.
3184         (process_command): Handle --sysroot.
3185         (display_help): Document it.
3186         * doc/cppopts.tex (-isysroot): Document.
3187         * doc/invoke.texi (--sysroot): Document.
3188         * doc/install.texi (--with-build-sysroot): Document.
3189
3190         * Makefile.in (inhibit_libc): New variable.
3191         (INHIBIT_LIBC_CFLAGS): Likewise.
3192         (LIBGCC2_CFLAGS): Include
3193         $(INHIBIT_LIBC_CFLAGS).
3194         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
3195         ($(T)crtbegin.o): Do not use @inhibit_libc@.
3196         ($(T)crtend.o): Likewise.
3197         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
3198         ($(T)crtendS.o): Likewise.
3199         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
3200         ($(T)crtendT.o): Likewise.
3201         (stmp-fixinc): Do not complain about missing headers if
3202         inhibit_libc.
3203         * configure.ac (inhibit_libc): Set it to true/false.
3204         (--with-build-sysroot): New option.  Use it to set
3205         SYSTEM_HEADER_DIR.
3206         * configure: Regenerated.
3207
3208 2005-07-25  Manfred Hollstein  <mh@suse.com>
3209
3210         * calls.c (store_one_arg): Fix unsigned comparison warning.
3211
3212 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
3213
3214         PR other/22337
3215         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
3216         (ggc_print_statistics): Initialize variable before use.
3217
3218 2005-07-25  Richard Guenther  <rguenther@suse.de>
3219
3220         * tree-dfa.c (mark_new_vars_to_rename): Protect against
3221         calling with a PHI_NODE argument.
3222
3223         * tree-flow-inline.h (overlap_subvar): Protect against
3224         possible overflow.
3225
3226 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
3227
3228         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
3229         * configure: Regenerate.
3230
3231 2005-07-25  Ira Rosen  <irar@il.ibm.com>
3232
3233         * expr.c (highest_pow2_factor): Make extern.
3234         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
3235         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
3236         record_array_differ_p, array_ptr_differ_p): Likewise.
3237         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
3238         additional cases. Call the above functions.
3239         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
3240         base_object_differ_p when there are two base objects. Otherwise, compare
3241         base address and offset. Call may_alias_p.
3242         (dump_data_reference): Use a correct field name.
3243         (analyze_array): Make static. Initialize new data-ref fields.
3244         (analyze_indirect_ref): New function.
3245         (init_data_ref): Initialize new data-ref fields.
3246         (strip_conversion): Moved from tree-vect-analyze.c.
3247         (analyze_offset_expr, get_ptr_offset, address_analysis,
3248         object_analysis): Likewise.
3249         (analyze_offset): New function.
3250         (create_data_ref): Likewise.
3251         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
3252         dimensions for ARRAY_REFs only.
3253         (build_classic_dist_vector): Make static.
3254         (access_functions_are_affine_or_constant_p): Call macro to get the
3255         address of access functions.
3256         (compute_all_dependences): Add new parameter
3257         compute_self_and_read_read_dependences. Compute self and read-read
3258         dependences if it is true.
3259         (find_data_references_in_loop): Call create_data_ref. Initialize new
3260         data-ref fields.
3261         (compute_data_dependences_for_loop): Add new parameter
3262         compute_self_and_read_read_dependences. Remove parameter nb_loops,
3263         compute nb_loops. Call compute_all_dependences,
3264         build_classic_dist_vector and build_classic_dir_vector with correct
3265         parameters.
3266         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
3267         with correct parameters. Compare dimensions for ARRAY_REFs only.
3268         (free_data_refs): Call macro to free access functions.
3269         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
3270         fields from stmt_vinfo.
3271         (struct base_object_info): New structure.
3272         (struct data_reference): Move fields to base_object_info. Add fields
3273         first_location and object_info for above structures. Move fields from
3274         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
3275         aligned_to.  Add macros to access the new fields.
3276         Update functions declarations.
3277         * tree-flow.h (is_aliased_with): Declare.
3278         * tree-loop-linear.c (linear_transform_loops): Call
3279         compute_data_dependences_for_loop with correct parameters.
3280         * tree-ssa-alias.c (is_aliased_with): New function.
3281         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
3282         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
3283         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
3284         vect_base_addr_differ_p, compute_subscript_distance and
3285         build_classic_dist_vector. Add printings. Check absolute value of
3286         distance.
3287         (vect_analyze_data_ref_dependences): Go through ddrs instead of
3288         data-refs.
3289         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
3290         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
3291         to bytes. Add printing.
3292         (vect_compute_data_refs_alignment): Go through loads and stores in one
3293         loop.
3294         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
3295         vect_analyze_data_ref_access): Likewise.
3296         (vect_analyze_pointer_ref_access): Remove.
3297         (vect_address_analysis, vect_object_analysis): Likewise.
3298         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
3299         and analyze data-refs in the loop.
3300         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
3301         fields of data-ref instead of stmt. Add init to the offset from the
3302         base.
3303         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
3304         (vect_update_init_of_dr): Likewise.
3305         (vect_update_inits_of_drs): Go through loads and stores in one loop.
3306         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
3307         removed fields.
3308         (new_loop_vec_info): Initialize new fields.
3309         (destroy_loop_vec_info): Free new fields.
3310         (vect_strip_conversion): Remove.
3311         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
3312         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
3313         datarefs. Add new field ddrs.
3314         Add macros for the new fields access.
3315         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
3316         base_aligned_p, misalignment, memtag, ptr_info and subvars.
3317         Remove their macros.
3318         * tree.h (highest_pow2_factor): Declare.
3319
3320 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
3321
3322         * calls.c (store_one_arg): Check for sibling call MEM arguments
3323         from already clobbered incoming argument area.
3324
3325 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3326
3327         * c-common.c (check_missing_format_attribute): New.
3328         * c-common.h (check_missing_format_attribute): Likewise.
3329         * c-typeck.c (convert_for_assignment): Use it.
3330
3331 2005-07-24  Andreas Schwab  <schwab@suse.de>
3332
3333         * config/m68k/m68k.md ("extendqidi2"): When source is an address
3334         register use a word move.  Correct operand of ext.w in 68000 code.
3335
3336 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
3337
3338         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
3339         variables as declarations, rather than definitions.
3340
3341 2005-07-24  Ira Rosen  <irar@il.ibm.com>
3342
3343         PR tree-optimization/22526
3344         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
3345         of the zero node.
3346
3347 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3348
3349         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
3350         that C99 reserve for future use. Use it to define clog10,
3351         clog10f and clog10l.
3352
3353 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3354
3355         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
3356         * configure.ac: Check for -Wmissing-format-attribute.
3357
3358         * configure: Regenerate.
3359
3360 2005-07-23  Richard Henderson  <rth@redhat.com>
3361
3362         PR tree-optimization/22623
3363         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
3364
3365 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
3366
3367         PR target/22577
3368         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
3369
3370 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3371
3372         * Makefile.in (C_TREE_H): Update dependencies.
3373         * c-tree.h: Include toplev.h.
3374         * diagnostic.h (diagnostic_set_info): Add format attribute.
3375         * rtl-error.c (diagnostic_for_asm): Likewise.
3376
3377 2005-07-23  Chao-ying Fu  <fu@mips.com>
3378
3379         * config/mips/mips-dsp.md: New file.
3380         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
3381         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
3382         functions.
3383         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
3384         MIPS_BUILTIN_BPOSGE32.
3385         (mips_expand_builtin_direct): Add one parameter to indicate that
3386         builtin functions need to return a value.
3387         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
3388         functions.
3389         (mips_regno_to_class): Add classes for 12 new DSP registers.
3390         (mips_subword): Change to check four HI registers.
3391         (mips_output_move): Output move to and from 6 new DSP accumulators.
3392         (override_options): Make sure -mdsp and -mips16 are not used together.
3393         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
3394         for machine modes.
3395         (mips_conditional_register_usage): Disable 6 new DSP accumulators
3396         when !TARGET_DSP.
3397         (print_operand): Add 'q' for printing DSP accumulators.
3398         (mips_cannot_change_mode_class): Check ACC_REGS.
3399         (mips_secondary_reload_class): Check ACC_REGS.
3400         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
3401         (mips_register_move_cost): Check ACC_REGS.
3402         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
3403         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
3404         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
3405         (dsp_bdesc): New array.
3406         (bdesc_arrays): Add DSP builtin function table.
3407         (mips_prepare_builtin_arg): Check predicate again after
3408         copy_to_mode_reg.
3409         (mips_expand_builtin): Add one more parameter to
3410         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
3411         MIPS_BUILTIN_BPOSGE32.
3412         (mips_init_builtins): Initialize new function types.
3413         (mips_expand_builtin_direct): Check if builtin functions need to
3414         return a value and pass operands properly.
3415         (mips_expand_builtin_bposge): New function.
3416         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
3417         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
3418         (FIRST_PSEUDO_REGISTER): Increase to 188.
3419         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3420         Update for 12 new DSP registers.
3421         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
3422         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
3423         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
3424         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
3425         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
3426         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
3427         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
3428         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
3429         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
3430         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
3431         (REGISTER_NAMES): Add names for 12 new DSP registers.
3432         * config/mips/mips.md: Include mips-dsp.md.
3433         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
3434         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
3435         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
3436         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
3437         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
3438         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
3439         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
3440         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
3441         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
3442         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
3443         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
3444         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
3445         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
3446         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
3447         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
3448         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
3449         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
3450         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
3451         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
3452         (UNSPEC_RDDSP): New constants.
3453         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
3454         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
3455         A<-d alternative.
3456         * config/mips/mips.opt (-mdsp): New option.
3457         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
3458         (reg_imm10_operand): New predicates.
3459         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
3460         * doc/invoke.texi (-mdsp): Document new option.
3461
3462 2005-07-22  DJ Delorie  <dj@redhat.com>
3463
3464         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
3465         to warning calls.
3466         * tree-inline.c (inlinable_function_p): Likewise.
3467
3468 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
3469
3470         PR debug/21828
3471         * toplev.c (check_global_declarations): Do not mark undefined
3472         variables as DECL_IGNORED_P.
3473         * varasm.c (first_global_object_name): GTY it.
3474         (weak_global_object_name): Likewise.
3475         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
3476         a string to go into {weak,first}_global_object_name.
3477
3478 2005-07-22  DJ Delorie  <dj@redhat.com>
3479
3480         * c-format.c (check_function_format): Change warning control
3481         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
3482
3483 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
3484
3485         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
3486         &PTR->FLD a dereference of PTR.
3487         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
3488         a potential dereference of PTR.
3489
3490 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
3491
3492         PR rtl-optimization/20370
3493         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
3494         call allocate_reg_info if necessary.
3495
3496         PR rtl-optimization/21848
3497         * calls.c (emit_library_call_value_1): For const functions, add
3498         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
3499
3500         PR rtl-optimization/22445
3501         * cselib.c (target.h): Include.
3502         (rtx_equal_for_cselib_p): Allow commutative matches.
3503         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
3504         Remove MODE parameter.  Changed all callers.
3505
3506         PR rtl-optimization/22258
3507         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
3508         New functions.
3509         (try_combine): Use likely_spilled_retval_p.
3510
3511 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
3512
3513         * config.gcc: Add crx-elf support.
3514
3515         * doc/contrib.texi: Mention crx.
3516         * doc/extend.texi: Document crx extensions.
3517         * doc/install.texi: Document crx install.
3518         * doc/invoke.texi: Document crx options.
3519         * doc/md.texi: Document crx constraints.
3520
3521         * config/crx/crx-protos.h: New file.
3522         * config/crx/crx.c: New file.
3523         * config/crx/crx.h: New file.
3524         * config/crx/crx.md: New file.
3525         * config/crx/crx.opt: New file.
3526         * config/crx/t-crx: New file.
3527
3528 2005-07-22  Manfred Hollstein  <mh@suse.com>
3529
3530         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
3531         warnings.
3532         (int_add_graph_edge): Likewise.
3533         (collapse_nodes): Likewise.
3534         (process_unification_queue): Likewise.
3535
3536 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3537             Laurent GUERBY  <laurent@guerby.net>
3538
3539         PR tree-optimization/22336
3540         * function.c (record_block_change): Check for
3541         cfun->ib_boundaries_block.
3542
3543 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
3544
3545         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
3546         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
3547
3548 2005-07-21  DJ Delorie  <dj@redhat.com>
3549
3550         * toplev.c (warn_deprecated_use): Add warning control to warning
3551         call.
3552         * c-typeck.c (parser_build_binary_op): Likewise.
3553         (c_finish_if_stmt): Likewise.
3554         * c-common.c (check_function_sentinel): Likewise.
3555         (check_nonnull_arg): Likewise.
3556
3557 2005-07-21  Richard Henderson  <rth@redhat.com>
3558
3559         PR tree-opt/22504
3560         * tree-complex.c (complex_ssa_name_components): New.
3561         (cvc_lookup): Allow entry not found.
3562         (create_components): Remove.
3563         (create_one_component_var, get_component_var): New.
3564         (get_component_ssa_name, set_component_ssa_name): New.
3565         (extract_component): Use get_component_ssa_name.
3566         (update_complex_components): Use set_component_ssa_name.
3567         (update_complex_components_on_edge): Likewise.
3568         (update_phi_components): Create new PHI nodes directly, instead
3569         of adding insns to edges.
3570         (tree_lower_complex): Allocate and free complex_variable_components
3571         and complex_ssa_name_components here.
3572
3573 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
3574
3575         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
3576         revert to returning false.
3577
3578 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
3579
3580         PR target/21149
3581         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
3582
3583 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
3584
3585         PR target/22576
3586         * config/i386/i386.md (cmpxf): Change operand constraints
3587         to "nonmemory_operand".
3588
3589 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
3590
3591         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
3592
3593 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
3594
3595         PR middle-end/21180
3596         * fold-const.c (fold_build1): Add checksum for the operands.
3597         (fold_build2): Likewise.
3598         (fold_build3): Likewise.
3599
3600 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
3601
3602         PR middle-end/19055
3603         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
3604
3605 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
3606
3607         * common.opt (-fforward-propagate): Committed by mistake,
3608         removed.
3609
3610 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3611
3612         * reg-stack.c: Fix comment typo(s).
3613         * tree-ssa-operands.c: Likewise.
3614         * tree-vectorizer: Likewise.
3615
3616 2005-07-21  Nick Clifton  <nickc@redhat.com>
3617
3618         * config/sh/symbian.c: Replace C++ style line comments with C
3619         style line comments.
3620         (symbian_add_attribute): Do not use a ? operator on the LHS of
3621         an assignment.
3622         (sh_symbian_handle_dll_attribute): Change the type of the
3623         method vector to "VEC(tree,gc)*" and use vector accessor
3624         macros to walk over the elements.
3625         (symbian_export_vtable_and_rtti_p): Likewise.
3626         (symbian_class_needs_attribute_p): Likewise.
3627
3628 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
3629
3630         PR target/22085
3631         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
3632         initialize targetm.resolve_overloaded_builtin here.
3633         (altivec_expand_overloaded_builtin): Make it non-static.
3634         * config/rs6000/rs6000-protos.h
3635         (altivec_expand_overloaded_builtin): New prototype.
3636         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
3637         targetm.resolve_overloaded_builtin here.
3638         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
3639
3640 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
3641             Zdenek Dvorak  <dvorakz@suse.cz>
3642
3643         PR tree-optimization/19210
3644         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
3645         New.
3646         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
3647         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
3648         rely on unproven assumptions.
3649         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
3650         * tree-flow.h (number_of_iterations_exit): Add final parameter.
3651         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
3652         to number_of_iterations_exit.
3653         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
3654         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
3655         * tree-ssa-loop-niter.c (find_loop_niter,
3656         estimate_numbers_of_iterations_loop): Likewise.
3657         (number_of_iterations_exit): Honor the new options.
3658         * doc/invoke.texi (Wunsafe-loop-optimizations,
3659         funsafe-loop-optimizations): Document them.
3660
3661 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
3662
3663         PR rtl-optimization/22167
3664         * gcse.c (hoist_code): Fix hoist_exprs[] check.
3665
3666 2005-07-20  Adam Nemet  <anemet@lnxw.com>
3667
3668         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
3669         __do_global_dtors_aux longcall.
3670
3671 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
3672
3673         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
3674         (old_special_pred_table): Don't reference
3675         SPECIAL_MODE_PREDICATES.
3676         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
3677         * config/arc/arc.h: Don't mention PREDICATE_CODES.
3678         * config/sh/predicates.h: Don't mention
3679         SPECIAL_MODE_PREDICATES.
3680         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
3681         Remove.
3682
3683 2005-07-20  DJ Delorie  <dj@redhat.com>
3684
3685         * config.gcc: Add m32c-elf support.
3686
3687         * doc/contrib.texi: Mention m32c.
3688         * doc/extend.texi: Document m32c extensions.
3689         * doc/install.texi: Mention m32c.
3690         * doc/invoke.texi: Document m32c options.
3691         * doc/md.texi: Document m32c constraints.
3692
3693         * config/m32c/addsub.md: New file.
3694         * config/m32c/bitops.md: New file.
3695         * config/m32c/cond.md: New file.
3696         * config/m32c/jump.md: New file.
3697         * config/m32c/m32c-lib1.S: New file.
3698         * config/m32c/m32c-lib2.c: New file.
3699         * config/m32c/m32c-modes.def: New file.
3700         * config/m32c/m32c-pragma.c: New file.
3701         * config/m32c/m32c-protos.h: New file.
3702         * config/m32c/m32c.abi: New file.
3703         * config/m32c/m32c.c: New file.
3704         * config/m32c/m32c.h: New file.
3705         * config/m32c/m32c.md: New file.
3706         * config/m32c/m32c.opt: New file.
3707         * config/m32c/minmax.md: New file.
3708         * config/m32c/mov.md: New file.
3709         * config/m32c/muldiv.md: New file.
3710         * config/m32c/predicates.md: New file.
3711         * config/m32c/prologue.md: New file.
3712         * config/m32c/shift.md: New file.
3713         * config/m32c/t-m32c: New file.
3714
3715 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3716
3717         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3718         (stack_protect_set, stack_protect_test): New expanders.
3719         (stack_protect_set_si, stack_protect_set_si_media,
3720         stack_protect_set_di_media, stack_protect_test_si,
3721         stack_protect_test_si_media, stack_protect_test_di_media):
3722         New insns.
3723
3724 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
3725
3726         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
3727
3728 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
3729
3730         * tree.h (tree_expr_nonzero_p): Export.
3731         * fold-const.c (tree_expr_nonzero_p): Likewise.
3732         Return true for CALL_EXPRs that are alloca calls.
3733         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
3734         against zero.
3735         * tree-flow.h (expr_computes_nonzero): Remove.
3736         * tree-vrp.c (expr_computes_nonzero): Remove.
3737         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
3738         (extract_range_from_unary_expr): Likewise.
3739         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
3740         tree_expr_nonzero_p.
3741
3742 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3743
3744         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
3745         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
3746         extra arg "picreg" and use it instead of pic_offset_table_rtx.
3747         All callers changed.
3748         (frame_related_constant_load): New arg "related" which controls
3749         setting of RTX_FRAME_RELATED_P.  All callers changed.
3750         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
3751         (bfin_expand_prologue): Add stack limit checking.
3752         * config/bfin/bfin.md (trapifcc): New pattern.
3753
3754         * config/bfin/bfin.c: Include "langhooks.h".
3755         (def_builtin): Go through lang_hooks to call builtin_function.
3756
3757         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
3758         * config/bfin/predicates.md (symbol_ref_operand): New.
3759         (call_insn_operand): Delete.  All callers changed to use
3760         register_no_elim_operand.
3761         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
3762         call_cookie field.
3763         (function_arg): Use it to generate the call's operand 2.
3764         (bfin_longcall_p): New function.
3765         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
3766         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
3767         determine if the address needs to be in a REG.
3768         (bfin_handle_longcall_attribute): New function.
3769         (bfin_attribute_table): Add "longcall" and "shortcall".
3770         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
3771         (CUMULATIVE_ARGS): New member call_cookie.
3772         (PREDICATE_CODES): Add symbol_ref_operand.
3773         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
3774         extra USE to the pattern.
3775         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
3776         New patterns, split off call_insn, sibcall_insn, call_value_insn and
3777         sibcall_value_insn; now the new patterns handle direct calls and the
3778         old ones indirect calls.
3779         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
3780
3781 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
3782
3783         * doc/trouble.texi: Update section on handling of empty loops.
3784
3785 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
3786
3787         * config.gcc: Remove support for sparc-*-openbsd*,
3788         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
3789         ns32k-*-netbsd*.
3790         * config.host: Remove support for i860-*-sysv4* as a host.
3791         * config/i860/*, config/ip2k/*, config/ns32k/*,
3792         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
3793         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
3794         mention obsolete ports.
3795
3796 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3797
3798         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
3799         soft frame pointer.
3800         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
3801         of frame_pointer_rtx.
3802         (sh_expand_epilogue): Likewise.
3803         (sh_set_return_address): Likewise.
3804         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
3805         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
3806         offsets from FRAME_POINTER_REGNUM.
3807         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
3808         (sh_register_names): Add initializer for sfp.
3809         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
3810         (VALID_REGISTER_P): Likewise.
3811         (FIRST_PSEUDO_REGISTER): Update.
3812         (DWARF_FRAME_REGISTERS): Define.
3813         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
3814         (HARD_FRAME_POINTER_REGNUM): Define.
3815         (FRAME_POINTER_REGNUM): Redefine.
3816         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
3817         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
3818         from FRAME_POINTER_REGNUM.
3819         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
3820         FRAME_POINTER_REGNUM.
3821         (REG_CLASS_CONTENTS): Add sfp.
3822         (REG_ALLOC_ORDER): Likewise.
3823         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
3824         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
3825         of frame_pointer_rtx.
3826         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3827
3828 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
3829
3830         * fold-const.c (tree_expr_nonnegative_p): Only return true for
3831         ABS_EXPR when flag_wrapv is false because of INT_MIN.
3832         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
3833         of an ABS_EXPR.
3834         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
3835         ABS_EXPR<x>.
3836
3837 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
3838
3839         Make CONSTRUCTOR use VEC to store initializers.
3840         * c-common.c (complete_array_type): Update to cope with VEC in
3841         CONSTRUCTOR_ELTS.
3842         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
3843         (pp_c_constructor_elts): New function.
3844         * c-pretty-print.h (pp_c_constructor_elts): Declare.
3845         * c-typeck.c (build_function_call, build_c_cast, digest_init,
3846         struct constructor_stack, struct initializer_stack,
3847         constructor_elements, push_init_level, pop_init_level,
3848         add_pending_init, find_init_member, output_init_element): Update to
3849         cope with VEC in CONSTRUCTOR_ELTS.
3850         * coverage.c (build_fn_info_value, build_ctr_info_value,
3851         build_gcov_info): Likewise.
3852         * expr.c (categorize_ctor_elements_1, store_constructor,
3853         expand_expr_real_1): Likewise.
3854         * fold-const.c (fold_ternary): Likewise.
3855         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
3856         gimplify_init_constructor, gimplify_expr): Likewise.
3857         * tree-dump.c (dequeue_and_dump): Likewise.
3858         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
3859         node.
3860         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
3861         CONSTRUCTOR_ELTS.
3862         * tree-sra.c (generate_element_init_1): Likewise.
3863         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
3864         * tree-ssa-operands.c (get_expr_operands): Likewise.
3865         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
3866         * tree-vect-transform.c (vect_get_vec_def_for_operand):
3867         (get_initial_def_for_reduction): Likewise.
3868         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
3869         value handle in annotations.
3870         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
3871         tree_node_structure): Add support for constr_kind.
3872         (build_vector_from_ctor, build_constructor_single,
3873         build_constructor_from_list): New functions.
3874         (build_constructor): Update to take a VEC instead of a TREE_LIST.
3875         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
3876         Update to cope with VEC in CONSTRUCTOR_ELTS.
3877         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
3878         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
3879         CONSTRUCTOR_APPEND_ELT): New macros.
3880         (struct constructor_elt, struct tree_constructor): New data types.
3881         (union tree_node): Add tree_constructor field.
3882         * treestruct.def: Define TS_CONSTRUCTOR.
3883         * varasm.c (const_hash_1, compare_constant, copy_constant,
3884         compute_reloc_for_constant, output_addressed_constants,
3885         initializer_constant_valid_p, output_constant,
3886         array_size_for_constructor, output_constructor): Update to cope with
3887         VEC in CONSTRUCTOR_ELTS.
3888         * vec.h (VEC_empty, VEC_copy): New macros.
3889
3890 2005-07-19  Devang Patel  <dpatel@apple.com>
3891
3892         * dbxout.c (dbxout_type): Check Objective-C++ lang.
3893
3894 2005-07-19  Richard Henderson  <rth@redhat.com>
3895
3896         PR tree-opt/22278
3897         * gimplify.c (gimplify_expr): Use main variant type for the temp
3898         destination for a discarded volatile read.
3899         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
3900         casts between non-void types that change volatility.
3901
3902 2005-07-15  DJ Delorie  <dj@redhat.com>
3903
3904         * toplev.h: Add comment about the first parameter for warning().
3905         * errors.h: Likewise.
3906
3907         * c.opt (Wpragmas): New.
3908         * doc/invoke.texi: Document it.
3909
3910         * function.c (do_warn_unused_parameter): Add warning control to
3911         warning call.
3912         * c-decl.c (warn_if_shadowing): Likewise.
3913         * c-lex.c (cb_def_pragma): Likewise.
3914         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
3915         (pop_alignment): Likewise.
3916         (handle_pragma_pack): Likewise.
3917         (apply_pragma_weak): Likewise.
3918         (handle_pragma_weak): Likewise.
3919         (handle_pragma_redefine_extname): Likewise.
3920         (add_to_renaming_pragma_list): Likewise.
3921         (handle_pragma_extern_prefix): Likewise.
3922         (maybe_apply_renaming_pragma): Likewise.
3923         (handle_pragma_visibility): Likewise.
3924
3925         * config/c4x/c4x-c.c (BAD): Likewise.
3926         (c4x_parse_pragma): Likewise.
3927         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
3928         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
3929         (rs6000_pragma_longcall): Likewise.
3930         * config/v850/v850-c.c (pop_data_area): Likewise.
3931         (ghs_pragma_section): Likewise.
3932         (ghs_pragma_section): Likewise.
3933         (ghs_pragma_interrupt): Likewise.
3934         (ghs_pragma_starttda): Likewise.
3935         (ghs_pragma_startsda): Likewise.
3936         (ghs_pragma_startzda): Likewise.
3937         (ghs_pragma_endtda): Likewise.
3938         (ghs_pragma_endsda): Likewise.
3939         (ghs_pragma_endzda): Likewise.
3940
3941 2005-07-19  Danny Berlin <dberlin@dberlin.org>
3942             Kenneth Zadeck <zadeck@naturalbridge.com>
3943
3944         * Makefile.in: Removed tree-promote-statics.c
3945         * tree-promote-statics.c: Removed.
3946         * common.opt: Removed flag-promote-statics.
3947         * opts.c: Ditto.
3948         * passes.c: Removed tree-promote-statics pass.
3949         * tree-pass.h: Ditto.
3950         * timevar.def: Removed TV_PROMOTE_STATICS.
3951
3952
3953 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
3954
3955         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
3956         and *-*-freebsd9.
3957         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
3958
3959 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3960
3961         PR c/22476
3962         * c-common.c (check_function_arguments): Call
3963         'check_function_format' if either -Wformat or
3964         -Wmissing-format-attribute are specified.
3965         * c-format.c (check_function_format): Check -Wformat before
3966         calling 'check_format_info'.
3967         * c-opts.c (c_common_post_options): Don't warn for
3968         -Wmissing-format-attribute without -Wformat.
3969         * c-typeck.c (convert_for_assignment): Detect additional cases for
3970         -Wmissing-format-attribute.
3971         * doc/invoke.texi (-Wmissing-format-attribute): Document new
3972         behavior.
3973
3974 2005-07-19  Richard Guenther  <rguenther@suse.de>
3975
3976         * config/i386/i386.md (lrint<mode>2): Use temporary
3977         instead of clobbering non-existent memory.
3978
3979 2005-07-19  Nick Clifton  <nickc@redhat.com>
3980
3981         * config/avr/avr.c (legitimate_address_p): Fix debugging print
3982         statement to avoid displaying ASCII control characters.
3983
3984 2005-07-19  Ben Elliston  <bje@au.ibm.com>
3985
3986         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
3987         * cfganal.c (find_edge_index): Ditto.
3988         * combine.c (combine_instructions): Ditto.
3989         * ddg.c (create_scc): Ditto.
3990         (find_successors): Ditto.
3991         (find_predecessors): Ditto.
3992         (find_nodes_on_paths): Ditto.
3993         (longest_simple_path): Ditto.
3994         * flow.c (update_life_info): Ditto.
3995         (count_or_remove_death_notes): Ditto.
3996         (clear_log_links): Ditto.
3997         * modulo-sched.c (generate_reg_moves): Ditto.
3998         (find_max_asap): Ditto.
3999         (find_max_hv_min_mob): Ditto.
4000         (find_max_dv_min_mob): Ditto.
4001         * sbitmap.c (sbitmap_first_set_bit): Ditto.
4002         * sched-rgn.c (extract_edgelst): Ditto.
4003         * tree-into-ssa.c (prepare_names_to_update): Ditto.
4004         (dump_update_ssa): Ditto.
4005         (ssa_names_to_replace) Ditto.
4006         (switch_virtuals_to_full_rewrite): Ditto.
4007         (update_ssa): Ditto.
4008         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
4009
4010 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
4011
4012         Fix PR tree-optimization/22483
4013
4014         * tree-complex.c (create_components): Use
4015         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
4016         * tree-flow-inline.h (fill_referenced_var_vec): New function.
4017         * tree-flow.h (safe_referenced_var_iterator): New structure.
4018         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
4019         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
4020         safe_referenced_var iterator.
4021         (add_type_alias): Ditto.
4022
4023 2005-07-19  Steven Bosscher  <stevenb@suse.de>
4024
4025         * loop-init.c (rest_of_handle_loop2): Remove.
4026         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
4027         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
4028         (pass_rtl_loop_init, pass_rtl_loop_done,
4029         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
4030         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
4031         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
4032         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
4033         pass_tree_loop_done, and pass_tree_unswitch.
4034         (gate_loop): Rename to gate_tree_loop.
4035         * passes.c (init_optimization_passes): Update for renamed tree
4036         loop passes.  Add the new loop2 passes as subpasses of loop2.
4037         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
4038         Update for the renamed tree loop passes.
4039
4040 2005-07-18  Ian Lance Taylor  <ian@airs.com>
4041
4042         PR middle-end/22057
4043         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
4044         blocks when optimizing.
4045
4046 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
4047
4048         * common.opt (frename-registers): Initialize to 2.
4049         (fweb): Ditto.
4050         (fgcse-after-reload): Ditto.
4051         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
4052         (process_options): Only change flag_web, flag_rename_registers,
4053         and flag_rerun_cse_after_loop if not explicitly set by user.
4054
4055 2005-07-18  Jan Beulich  <jbeulich@novell.com>
4056
4057         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
4058         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
4059         in 64-bit mode the same as DImode in 32-bit mode.
4060         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
4061         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
4062         mode. Add new mode parameter.
4063         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
4064         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
4065         x86_64_shift_adj): New expanders.
4066         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
4067         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
4068         insns.
4069         Respective new splitters. Use renamed shift splitter helpers in 32-bit
4070         DImode shift splitters.
4071         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
4072         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
4073         mode parameter.
4074
4075 2005-07-18  Jan Beulich  <jbeulich@novell.com>
4076
4077         * i386.md (movdi_extzv_1): New.
4078         (zero_extendhidi2): Combine alternatives and never force use of
4079         REX64 prefix.
4080         (zero_extendqidi2): Likewise. Don't restrict input selection.
4081
4082 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4083
4084         Fix PR tree-optimization/22531
4085         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
4086          moment.
4087
4088 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4089
4090         * tree-promote-statics.c (pass_promote_statics): Change dump file
4091          name.
4092
4093 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4094
4095         * tree-optimize.c (init_tree_optimization_passes): Add
4096         pass_eliminate_useless_stores pass.
4097         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
4098         * tree-ssa-pre.c (is_copy_stmt): New function.
4099         (follow_copies_till_vuse): Ditto.
4100         (do_eustores): Ditto.
4101         (gate_eustores): Ditto.
4102
4103 2005-07-16  Richard Henderson  <rth@redhat.com>
4104
4105         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
4106
4107 2005-07-16 Danny Berlin <dberlin@dberlin.org>
4108            Kenneth Zadeck <zadeck@naturalbridge.com>
4109
4110         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
4111         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
4112         ipa-type-escape.h, tree-promote-statics.c
4113         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
4114         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
4115         tree-promote-statics.c: new files.
4116         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
4117         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
4118         int nonlocal_set_p, mark_constant_function): Deleted.
4119         (rest_of_handle_cfg): Removed call to mark_constant_function.
4120         (nonoverlapping_component_refs_p): Added calls to support
4121         type based aliasing.
4122         * tree-ssa-alias.c (may_alias_p,
4123         compute_flow_insensitive_aliasing): Ditto.
4124         * calls.c (flags_from_decl_or_type): Removed reference to
4125         cgraph_rtl_info.
4126         * c-typeck.c (convert_arguments): Make builtins tolerant of having
4127         too many arguments.  This is necessary for Spec 2000.
4128         * cgraph.h (const_function, pure_function): Removed.
4129         * common.opt: Added "fipa-pure-const", "fipa-reference",
4130         "fipa-type-escape", and "ftree-promote-static".
4131         * opts.c: Ditto.
4132         * passes.c: Added ipa and tree-promote-statics passes.
4133         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
4134         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
4135         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
4136         * tree-flow.h: Added exposed sra calls and addition of
4137         reference_vars_info field for FUNCTION_DECLS.
4138         * tree-pass.h: Added passes.
4139         * tree-sra.c: (sra_init_cache): New function.
4140         (sra_insert_before, sra_insert_after) Made public.
4141         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
4142         and made public.
4143         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
4144         aliasing. (may_alias_p): Added code to use type escape analysis to
4145         improve alias sets.
4146         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
4147         code to prune clobbers of static variables based on information
4148         produced in ipa-reference pass.  Changed call clobbering so that
4149         statics are not marked as clobbered if the call does not clobber
4150         them.
4151
4152 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
4153
4154         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
4155         too.
4156
4157 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4158
4159         * doc/install.texi (*-*-solaris2*): Document recommended version
4160         of GNU binutils and mention GNU linker problem on Solaris 10.
4161
4162 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
4163
4164         PR c/22421
4165         * c-decl.c (c_build_bitfield_integer_type): New function.
4166         (finish_struct): Call it.
4167         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
4168
4169 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4170
4171         * c-typeck.c (digest_init): Call 'convert_for_assignment'
4172         before returning.
4173
4174 2005-07-16  Jan Hubicka  <jh@suse.cz>
4175
4176         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
4177         (scale_bbs_frequencies_int): Watch roundoff errors.
4178         * predict.c (return_prediction): Initialize return_stmt.
4179
4180 2005-07-16  Jan Hubicka  <jh@suse.cz>
4181
4182         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
4183         after RTL profiling.
4184
4185 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
4186
4187         PR middle-end/22398
4188         * fold-const.c (build_range_check): Convert high/low to etype
4189         if we are only comparing against exp.
4190
4191 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
4192
4193         Fix PR tree-optimization/22376
4194         * tree-ssa-structalias.c (build_constraint_graph): We really meant
4195         special var here.
4196         (need_to_solve): New function.
4197         (compute_points_to_sets): Use it.
4198
4199 2005-07-15  Jan Hubicka  <jh@suse.cz>
4200
4201         * cfg.c (update_bb_profile_for_threading): More diagnostic.
4202         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
4203
4204 2005-07-15  Richard Guenther  <rguenther@suse.de>
4205
4206         * c-common.c (handle_flatten_attribute): New function.
4207         Add flatten function attribute.
4208         * doc/extend.texi: Document flatten function attribute.
4209         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
4210         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
4211         New functions.
4212         (cgraph_decide_inlining): Handle functions with flatten
4213         attribute.
4214
4215 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
4216
4217         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
4218         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
4219         UNSPEC_XCHG, UNSPEC_AND): New.
4220         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
4221         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
4222         * config/rs6000/sync.md (FETCHOP): New code macro.
4223         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
4224         New code attrs.
4225         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
4226         (sync_compare_and_swap<mode>): Same.
4227         (sync_lock_test_and_set<mode>): Same.
4228         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
4229         for QImode and HImode, and not PPC405.
4230         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
4231         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
4232         (sync_<fetchop>{si,di}_internal): New.
4233         (sync_nand{si,di}_internal): New.
4234         (sync_old_<fetchop>{si,di}_internal): New.
4235         (sync_old_nand{si,di}_internal): New
4236         (sync_new_<fetchop>{si,di}_internal): New.
4237         (sync_new_nand{si,di}_internal): New.
4238         (atomic_and{si,di}): New.
4239         (sync_new_nand{si,di}_internal): New.
4240         (atomic_and{si,di}): New.
4241         (sync_add<mode>_internal): Delete.
4242         (sync_addshort_internal): Use unspec instead of unspec_volatile.
4243         (sync_sub<mode>_internal): Delte.
4244         (sync_subshort_internal): New.
4245         (sync_andsi_internal): Use unspec instead of unspec_volatile.
4246         (sync_anddi_internal): Delete.
4247         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
4248         (sync_booldi_internal): Delete.
4249         (sync_boolc<mode>_internal): Delete.
4250         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
4251         (sync_boolc<mode>_internal2): Delete.
4252         (sync_boolcc<mode>_internal): Delete.
4253         (isync, lwsync): Use unspec instead of unspec_volatile.
4254         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
4255         Revert UNSPEC_VOLATILE.
4256         (rs6000_split_atomic_op): New.
4257         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
4258
4259 2005-07-14  Eric Christopher  <echristo@redhat.com>
4260
4261         * config/mips/mips.c (mips_canonicalize_comparison): Cast
4262         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
4263
4264 2005-07-14  Eric Christopher  <echristo@redhat.com>
4265
4266         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
4267
4268 2005-07-14  Steven Bosscher  <stevenb@suse.de>
4269
4270         PR tree-optimization/22230
4271         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
4272         the computation of the four cross productions for "range op range".
4273
4274 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
4275             Ulrich Weigand  <uweigand@de.ibm.com>
4276
4277         PR target/20126
4278         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
4279         in some insn.
4280
4281 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
4282
4283         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
4284
4285 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
4286
4287         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
4288
4289 2005-07-14  Richard Guenther  <rguenther@suse.de>
4290
4291         PR middle-end/22347
4292         * config/i386/i386-protos.h (ix86_function_value): Change
4293         prototype to match new target hook.
4294         * config/i386/i386.c (ix86_value_regno): Change prototype
4295         to take extra type argument.
4296         (TARGET_FUNCTION_VALUE): Define.
4297         (ix86_function_ok_for_sibcall): Pass extra argument to
4298         ix86_value_regno, check return slot rtx for exact match.
4299         (ix86_function_value): Take extra parameter.  Dispatch to
4300         ix86_value_regno with fndecl/fntype as provided.
4301         (ix86_value_regno): Handle extra type argument.
4302         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
4303
4304         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
4305         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
4306         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
4307         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
4308         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
4309
4310 2005-07-14  Richard Guenther  <rguenther@suse.de>
4311
4312         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
4313         * calls.c (expand_call): Pass fntype to hard_function_value.
4314         (emit_library_call_value_1): Likewise.
4315         * explow.c: Include target.h.
4316         (hard_function_value): Take extra argument, the fntype.
4317         Use new target hook for function_value.
4318         * expr.h (hard_function_value): Change prototype.
4319         * function.c (aggregate_value_p): Pass 0 as fntype to
4320         hard_function_value.
4321         (assign_parms): Use new target hook for function_value.
4322         Pass 0 as fntype to hard_function_value.
4323         (expand_function_end): Likewise.
4324         * reg-stack.c: Include target.h.
4325         (stack_result): Use new target hook for function_value.
4326         * target-def.h: New target hook function_value.
4327         * target.h: Likewise.
4328         * targhooks.c (default_function_value): New function.
4329         * targhooks.h (default_function_value): Declare.
4330
4331 2005-07-13  Ian Lance Taylor  <ian@airs.com>
4332
4333         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4334
4335 2005-07-14  Jan Hubicka  <jh@suse.cz>
4336
4337         * tree-dfa.c (dump_variable): Use default_def function.
4338         * tree-ssa-alias.c (dump_points_to_info): Likewise.
4339         * tree-ssa.c (verify_use): Likewise.
4340         * tree-ssanames.c (release_ssa_name): Likewise.
4341         * tree-tailcall.c (eliminate_tail_call): Likewise.
4342         (tree_optimize_tail_calls_1): Likewise.
4343         * tree-vrp.c (get_value_range): Likewise.
4344
4345 2005-07-14  Ben Elliston  <bje@au.ibm.com>
4346
4347         * gcc.c (main): Compare language[0] with '*' when iterating over
4348         the infiles.
4349
4350 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
4351
4352         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
4353         "s390_emit_compare".  Add handling of CCZ1mode.
4354         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
4355         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
4356         checking.
4357         (s390_branch_condition_mask): Add CCZ1mode handling.
4358         * config/s390/s390.md: ("seq", "*seq"): New pattern.
4359         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
4360         Use CCZ1mode instead of CCZmode.
4361         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
4362
4363 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
4364
4365         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
4366         pattern.
4367         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
4368
4369 2005-07-13  Eric Christopher  <echristo@redhat.com>
4370
4371         * config/mips/mips.c (mips_canonicalize_comparison): New.
4372         (mips_emit_int_relational): Use.
4373
4374 2005-07-13  Eric Christopher  <echristo@redhat.com>
4375
4376         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4377         static extra parts.
4378         * config/s390/s390.md: Include tpf.md. Move tpf specific
4379         patterns...
4380         * config/s390/tpf.md: To here.
4381         * config/s390/s390.opt: Move tpf specific options...
4382         * config/s390/tpf.opt: to here. Add mmain option.
4383         * config/s390/tpf-unwind.h: Remove unnecessary defines.
4384         * config/s390/tpf.h: Rewrite.
4385
4386 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
4387
4388         * doc/tm.texi: Remove @xref{Cross-profiling}.
4389
4390 2005-07-13  Jeff Law  <law@redhat.com>
4391
4392         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
4393         expressions, test their _DECL operands for pointer equality rather
4394         than using operand_equal_p.
4395
4396 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
4397
4398         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
4399         (TARGET_POSIX_IO): This.
4400         * config/darwin.h: Likewise.
4401         * config/freebsd.h: Likewise.
4402         * config/linux.h: Likewise.
4403         * config/lynx.h: Likewise.
4404         * config/netbsd.h: Likewise.
4405         * config/rs6000/linux64.h: Likewise.
4406         * config/rs6000/linux.h: Likewise.
4407         * config/s390/tpf.h: Likewise.
4408         * config/sh/embed-elf.h: Likewise.
4409         * config/sparc/linux64.h: Likewise.
4410         * config/sparc/linux.h: Likewise.
4411         * config/svr4.h: Likewise.
4412         * gcov-io.h: Likewise.
4413
4414         * doc/tm.texi: Updated.
4415
4416         * libgcov.c (create_file_directory): Defined only if
4417         TARGET_POSIX_IO is defined.
4418         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
4419         is defined.
4420
4421 2005-07-13  Jan Hubicka  <jh@suse.cz>
4422
4423         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
4424
4425 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
4426
4427         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
4428         structure as argument.
4429
4430 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
4431
4432         PR tree-optimization/21921
4433         * tree-iterator.c (tsi_link_before): Support the case when
4434         tsi_end_p (tsi) == true.
4435
4436 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
4437
4438         PR tree-optimization/22442
4439         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
4440         correctly.
4441
4442 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
4443
4444         PR rtl-optimization/20376
4445         * toplev.c (process_options): Enable -fweb and -frename-registers when
4446         unrolling.
4447         * doc/invoke.texi: Update the information about when -fweb and
4448         -frename-registers are enabled.
4449
4450 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
4451
4452         PR tree-opt/21840
4453         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
4454         if *rhs_p is not a SSA_NAME.
4455
4456 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
4457
4458         Fix PR tree-optimization/22422
4459         * tree-ssa-structalias.c (struct variable_info): Add flag for
4460         special vars.
4461         (get_varinfo): Now a static function.
4462         (new_varinfo): init has_union and is_special_var to false.
4463         (solution_set_add): Check has_union.
4464         (do_da_constraint): Move temporary variable so it gets reset
4465         properly.
4466         Also check for special variable.
4467         (do_ds_constraint): Ditto.
4468         (do_sd_constraint): Ditto.
4469         (do_structure_copy): Check for special variable.
4470         (find_func_aliases): Ditto.
4471         (init_base_vars): Set special vars properly.
4472
4473 2005-07-13  Jan Hubicka  <jh@suse.cz>
4474
4475         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
4476         do unit-at-a-time.
4477
4478         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
4479         (get_expr_operands): Fix thinko wrt flags and subvars.
4480
4481         PR tree-optimize/22379
4482         * tree-inline.c (expand_call_inline): Do not output sorry in early
4483         inlining.
4484
4485 2005-07-12  Dale Johannesen  <dalej@apple.com>
4486
4487         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
4488
4489 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
4490
4491         PR bootstrap/21704
4492         * host-linux.h: Include limits.h.
4493
4494 2005-07-12  Dale Johannesen  <dalej@apple.com>
4495
4496         * expr.c (compress_float_constant):  Add cost check.
4497         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
4498
4499 2005-07-12  Dale Johannesen  <dalej@apple.com>
4500
4501         * gcc.target/i386/compress-float-sse.c:  New.
4502         * gcc.target/i386/compress-float-sse-pic.c:  New.
4503         * gcc.target/i386/compress-float-387.c:  New.
4504         * gcc.target/i386/compress-float-387-pic.c:  New.
4505         * gcc.dg/compress-float-ppc.c:  New.
4506         * gcc.dg/compress-float-ppc-pic.c:  New.
4507
4508 2005-07-12  Eric Christopher  <echristo@redhat.com>
4509
4510         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4511         static extra parts.
4512         * config/s390/s390.md: Include tpf.md. Move tpf specific
4513         patterns...
4514         * config/s390/tpf.md: To here.
4515         * config/s390/s390.opt: Move tpf specific options...
4516         * config/s390/tpf.opt: to here. Add mmain option.
4517         * config/s390/tpf-unwind.h: Remove unnecessary defines.
4518         * config/s390/tpf.h: Rewrite.
4519
4520 2005-07-12  Eric Christopher  <echristo@redhat.com>
4521
4522         * gcc.c (struct infile): Update comment for language.
4523         (main): Rewrite input file resetting code.
4524
4525 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
4526
4527         PR tree-opt/22335
4528         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
4529         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
4530         (lookup_avail_expr): Use constant_boolean_node instead
4531         of boolean_false_node/boolean_true_node.
4532
4533 2005-07-12  Ben Elliston  <bje@au.ibm.com>
4534
4535         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
4536         and use it when printing num_edges.
4537
4538 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
4539
4540         * doc/extend.texi (Blackfin Built-in Functions): New section.
4541         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
4542         @opindex.
4543
4544 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
4545
4546         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
4547         s/cmpstrsi/cmpstrnsi
4548         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
4549         'cmpstrnsi'.
4550         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
4551         (init_optabs): Initialize cmpstrn_optab.
4552         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
4553         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
4554         * expr.c: (enum insn_code cmpstrn_optab): Declare.
4555         * config/i386/i386.md: s/cmpstr/cmpstrn
4556         * config/c4x/c4x.md: s/cmpstr/cmpstrn
4557         * doc/md.texi: Update documentation.
4558
4559 2005-07-11  Richard Henderson  <rth@redhat.com>
4560
4561         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
4562         build_va_arg_indirect_ref.
4563         (alpha_gimplify_va_arg): Likewise.
4564         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
4565         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
4566         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
4567         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
4568         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
4569         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
4570         Likewise.
4571         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
4572
4573 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
4574
4575         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
4576         * passes.c (init_optimization_passes): Add pass_empty_loop.
4577         * tree-pass.h (pass_empty_loop): Declare.
4578         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
4579         try_remove_empty_loop, remove_empty_loops): New functions.
4580         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
4581         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
4582
4583 2005-07-12  Peter Barada  <peter@the-baradas.com>
4584
4585         PR middle-end/16719
4586         PR middle-end/18421
4587         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
4588         in address registers.
4589         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
4590         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
4591         alternative of addsi3_5200.
4592
4593 2005-07-11  Ian Lance Taylor  <ian@airs.com>
4594
4595         * config/mips/mips.md (ffs<mode>2): Remove.
4596
4597 2005-07-11  Ian Lance Taylor  <ian@airs.com>
4598
4599         * doc/tree-ssa.texi (Cleanups): Improve description of
4600         TRY_FINALLY_EXPR.
4601         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
4602
4603 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
4604
4605         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
4606         * tree.h (DECL_ARGUMENT_FLD): New macro.
4607
4608 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
4609
4610         Fix PR tree-optimization/22404
4611
4612         * tree-ssa-structalias.c (create_variable_info_for): Use
4613         correct offset.
4614
4615 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4616
4617         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
4618         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
4619         for second comparison operand.
4620         * config/bfin/predicates.md (reg_or_const_int_operand): New.
4621
4622         * config/bfin/bfin.md (define_attr "type"): Add "sync".
4623         (define_insn_reservation "alu"): Likewise.
4624         (csync, ssync): Now of type sync.
4625         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
4626         -mcsync-anomaly -mspecld-anomaly.
4627         * config/bfin/bfin.opt (mcsync): Remove.
4628         (mcsync-anomaly, mspecld-anomaly): Add.
4629         * config/bfin/bfin.c: Include "insn-codes.h".
4630         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
4631         (TARGET_DEFAULT_TARGET_FLAGS): New.
4632         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
4633
4634 2005-07-11  Steven Bosscher  <stevenb@suse.de>
4635
4636         * basic-block.h: Give the BB flags enum a name, bb_flags.
4637         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
4638         * cfgcleanup.c (enum bb_flags): Remove here.
4639         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
4640         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
4641         (update_forwarder_flag): Likewise.
4642         (thread_jump): Likewise.
4643         (try_forward_edges): Likewise.
4644         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
4645         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
4646         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
4647
4648 2005-07-11  Richard Guenther  <rguenther@suse.de>
4649
4650         * config/i386/i386.opt: New target option -msseregparm.
4651         * config/i386/i386.c (override_options): Error out for
4652         -msseregparm but no SSE support.
4653         (ix86_function_sseregparm): Check for global sseregparm.
4654         * doc/invoke.texi: Document -msseregparm.
4655
4656 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4657
4658         * config.gcc (m32r-*-linux*): Use the default extra_parts.
4659         (m32rle-*-linux*): Ditto.
4660
4661 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
4662
4663         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
4664         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
4665         bytes.
4666
4667 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4668
4669         PR middle-end/22239
4670         PR target/20126
4671         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
4672         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
4673
4674 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
4675
4676         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
4677         (varmap): Heapify varmap.
4678         (constraints): Heapify constraints.
4679         (struct constraint_graph): Heapify succs and preds.
4680         (constraint_vec_find): Update for heapification.
4681         (constraint_set_union): Ditto.
4682         (insert_into_complex): Ditto.
4683         (constraint_edge_vec_find): Ditto.
4684         (erase_graph_self_edge): Ditto.
4685         (add_graph_edge): Ditto.
4686         (get_graph_weights): Ditto.
4687         (merge_graph_nodes): Ditto.
4688         (build_constraint_graph): Ditto.
4689         (topo_visit): Ditto.
4690         (solve_graph): Ditto.
4691         (create_variable_info_for): Ditto.
4692         (init_base_vars): Ditto.
4693         (delete_points_to_sets): Free graph, varmap, and complex constraints.
4694         (condese_varmap_nodes): Free complex vector.
4695         (clear_edges_for_node): Clear succs and preds vector.
4696
4697 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
4698
4699         * tree-ssa-structalias.c (update_alias_info): Change counting of
4700         references to not include vdefs.
4701
4702 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
4703
4704         * tree-ssa-alias.c (free_used_part_map): Add missing free.
4705         (up_insert): Ditto.
4706
4707 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4708
4709         * pa.c (pa_commutative_p): Make PLUS commutative when
4710         TARGET_NO_SPACE_REGS is true.
4711
4712 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
4713
4714         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
4715         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
4716         * tree-dfa.c (dump_subvars_for): New.
4717         (debug_subvars_for): New.
4718         (dump_variable): Show subvariables if VAR has them.
4719         * tree-flow-inline.h (get_subvar_at): New.
4720         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
4721         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
4722         Update all users.
4723         (struct subvar): Change fields offset and size to unsigned
4724         HOST_WIDE_INT.
4725         (dump_subvars_for): Declare.
4726         (debug_subvars_for): Declare.
4727         (get_subvar_at): Declare.
4728         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
4729         to unsigned HOST_WIDE_INT *.
4730         (overlap_subvar): Likewise.
4731         * tree-gimple.c (is_gimple_reg): Always return false for
4732         SFTs and memory tags.
4733         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
4734         Update all callers.
4735         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
4736         (compute_may_aliases): Call compute_points_to_sets.
4737         (collect_points_to_info_for): Remove.
4738         (compute_points_to_and_addr_escape): Remove.
4739         (delete_alias_info): Call delete_points_to_sets.
4740         (compute_flow_sensitive_aliasing): If the call to
4741         find_what_p_points_to returns false, call set_pt_anything.
4742         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
4743         (set_pt_anything): Clear pi->pt_vars.
4744         (set_pt_malloc): Remove.
4745         (merge_pointed_to_info): Remove.
4746         (add_pointed_to_expr): Remove.
4747         (add_pointed_to_var): Remove.
4748         (collect_points_to_info_r): Remove.
4749         (is_escape_site): Make extern.
4750         (create_sft): New.
4751         (create_overlap_variables_for): Call it.
4752         * tree-ssa-copy.c (merge_alias_info): Never merge
4753         flow-sensitive alias information.
4754         * tree-ssa-operands.c (get_expr_operands): Adjust variables
4755         offset and size to be unsigned HOST_WIDE_INT.
4756         (add_to_addressable_set): Rename from note_addressable.
4757         Set TREE_ADDRESSABLE as the variables are added to the set.
4758         Update all users.
4759         (add_stmt_operand): Do not try to micro-optimize unmodifiable
4760         operands into VUSEs when adding V_MAY_DEFs for members in an
4761         alias set.
4762         * tree-ssa-operands.h (add_to_addressable_set): Declare.
4763         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
4764         (struct variable_info): Add bitfield is_heap_var.
4765         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
4766         (new_var_info): Initialize is_heap_var.
4767         (get_constraint_for): Add HEAP variables to the symbol table.
4768         Mark them with is_heap_var.
4769         (update_alias_info): New.  Taken mostly from the old
4770         compute_points_to_and_addr_escape.
4771         (handle_ptr_arith): New.
4772         (find_func_aliases): Call update_alias_info.
4773         Call handle_ptr_info for tcc_binary expressions.
4774         Call mark_stmt_modified.
4775         (create_variable_info_for): If DECL has subvars, do not create
4776         variables for its subvars.  Always add all the fields.
4777         (set_uids_in_ptset): If the solution includes ANYOFFSET and
4778         SFTs, then add all the SFTs of the structure.
4779         If VI->DECL is an aggregate with subvariables, add the SFT at
4780         VI->OFFSET.
4781         (find_what_p_points_to): If VI is an artificial variable,
4782         translate to bitfields in SSA_NAME_PTR_INFO.
4783         If the solution is empty, set pi->pt_vars to NULL
4784         (init_base_vars): Create ANYOFFSET.
4785         (compute_points_to_sets): Rename from create_alias_vars.
4786         Make extern.
4787         (pass_build_pta): Remove.
4788         (delete_points_to_sets): Rename from delete_alias_vars.
4789         (pass_del_pta): Remove.
4790         * tree-ssa-structalias.h (struct alias_info): Move from
4791         tree-ssa-alias.h.
4792         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
4793         NUM_REFERENCES_SET): Likewise.
4794         (compute_points_to_sets, delete_points_to_sets): Declare.
4795
4796 2005-07-09  Richard Henderson  <rth@redhat.com>
4797
4798         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
4799         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
4800         alpha_split_lock_test_and_set_12): New functions.
4801         * config/alpha/alpha-protos.h: Update.
4802         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
4803         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
4804         * config/alpha/sync.md (I12MODE): New.
4805         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
4806         (sync_<fetchop_name><I48MODE>): Likewise.
4807         (sync_nand<I48MODE>): Likewise.
4808         (sync_old_<fetchop_name><I48MODE>): Likewise.
4809         (sync_new_<fetchop_name><I48MODE>): Likewise.
4810         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
4811         (sync_compare_and_swap<I48MODE>): Likewise.
4812         (sync_lock_test_and_set<I48MODE>): Likewise.
4813         (sync_compare_and_swap<I12MODE>): New.
4814         (sync_compare_and_swap<I12MODE>_1): New.
4815         (sync_lock_test_and_set<I12MODE>): New.
4816         (sync_lock_test_and_set<I12MODE>_1): New.
4817
4818 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
4819
4820         PR 21356
4821         PR 22332
4822         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
4823
4824 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
4825
4826         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
4827         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
4828
4829 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
4830
4831         PR target/21656
4832         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4833
4834 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
4835
4836         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
4837         memory_operand constraint.
4838         (store_conditional_<mode>): Same.
4839         (sync_compare_and_swap<mode>): Same.
4840         (sync_lock_test_and_set<mode>): Same.
4841
4842 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
4843
4844         Rewrite PIC support to more closely model actual instructions.
4845         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
4846         (cris_symbol): Remove prototypes for removed functions.
4847         (cris_pic_symbol_type_of, cris_valid_pic_const)
4848         (cris_expand_pic_call_address): Prototypes for new functions.
4849         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
4850         variable.
4851         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
4852         modifiers.
4853         <case ':'>: Add case for new punctuation character.
4854         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
4855         emitting (extra) PIC modifier.
4856         <case UNSPEC>: Do not assert for PLT.
4857         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
4858         (cris_expand_prologue, cris_expand_epilogue): Check
4859         for pic_offset_table_rtx usage instead of taking
4860         current_function_uses_pic_offset_table as the final word.
4861         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
4862         Remove flag_pic difference.
4863         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
4864         the moral equivalents of...
4865         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
4866         functions.
4867         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
4868         (cris_handle_option): Mark ARG as unused.
4869         (cris_expand_pic_call_address): New worker function for "call",
4870         "call_value".
4871         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
4872         output PIC constructs here.
4873         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
4874         as symbol-specific modifers, not whole or part of operands.
4875         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
4876         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
4877         constants and flag_pic.
4878         (CONSTANT_INDEX_P): Adjust for new functions.
4879         (enum cris_pic_symbol_type): New helper type.
4880         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
4881         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
4882         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
4883         define_constants.
4884         ("movsi"): Emit actual instructions for GOT and relative access.
4885         ("*movsi_got_load"): New pattern to set up the register holding
4886         the GOT pointer.
4887         ("*movsi_internal"): Operand 1 is not a plain general_operand.
4888         Adjust FIXME for 'S'.
4889         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
4890         Use "movs" for -fpic cases.
4891         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
4892         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
4893         ("call", "call_value"): Just call cris_expand_pic_call_address for
4894         PIC addresses.
4895         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
4896         Remove special pattern.
4897         ("*expanded_call_side", "*expanded_call_value_side"): New
4898         patterns.
4899         (gotplt-to-plt, gotplt-to-plt-side-call)
4900         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
4901         peephole2:s.
4902         * config/cris/cris/predicates.md
4903         ("cris_general_operand_or_gotless_symbol"): Remove unused
4904         predicate.
4905         ("cris_general_operand_or_symbol"): Adjust for new functions.
4906
4907 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
4908
4909         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
4910
4911 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
4912
4913         * Makefile.in (TREE_H): Add treestruct.def.
4914         (c-decl.o): Add pointer-set.h
4915         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
4916         visibility on regular DECL's.
4917         (merge_decls): Fix the copying of decl nodes of various types for
4918         the new structures.  Don't update RTL, section name, weak status,
4919         etc, on DECL's without RTL.
4920         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
4921         Don't check volatile on non-variable types.
4922         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
4923         to check whether we have seen arguments.
4924         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
4925         flag is checked before field (flag is common, field is not).
4926         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
4927         TS_DECL_COMMON could have an origin.
4928         (add_location_or_const_value_attribute): Don't check section name
4929         on non-var/function decls.
4930         (dwarf2out_var_location): Reverse order of tests.
4931         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
4932         with DECL_WRTL_CHECK.
4933         * expmed.c (make_tree): rtl is now in decl_with_rtl.
4934         * fold-const.c (fold_binary): Don't check weakness on
4935         non-var/function decls.
4936         (tree_expr_nonzero_p): Ditto.
4937         (fold_checksum_tree): Use tree_decl_extra as sizeof
4938         buffer.
4939         * ggc-page.c (extra_order_size_table): Add sizes for
4940         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
4941         tree_field_decl.
4942         * gimplify.c (gimplify_bind_expr): Only set
4943         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
4944         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
4945         without RTL.
4946         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
4947         * langhooks.h (init_ts). New langhook.
4948         * passes.c (rest_of_decl_compilation): Reverse order of tests.
4949         * print-tree.c (print_node): Update to only print fields that
4950         exist in the structures the passed decl has.
4951         * toplev.c (wrapup_global_declarations): Don't reset
4952         DECL_DEFER_OUTPUT on DECL's that don't contain it.
4953         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
4954         * tree-inline.c (remap_decl): Ditto.
4955         * tree-outof-ssa.c (create_temp): Reverse order of tests.
4956         * tree-pretty-print.c (print_declaration): Don't print
4957         DECL_REGISTER on things that don't contain it.
4958         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
4959         non-var/function decls.
4960         * tree.c (tree_contains_struct): New structure.
4961         (init_priority_for_decl): New hashtable.
4962         (tree_int_map): New structure.
4963         (tree_int_map_eq): New function.
4964         (tree_int_map_marked_p): Ditto.
4965         (tree_int_map_hash): Ditto.
4966         (tree_map): Move to tree.h.
4967         (tree_map_eq): Externalize.
4968         (tree_map_hash): Ditto.
4969         (tree_map_marked_p): Ditto.
4970         (init_ttree): Set up tree_contains_struct and call langhook.
4971         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
4972         (tree_code_size): Update for new structures.
4973         (tree_node_structure): Update for new structures.
4974         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
4975         without the field.
4976         (copy_node_stat):  Copy init priority.
4977         (build_decl_stat): Ditto for visibility.
4978         (ts_enum_names): New.
4979         (tree_contains_struct_check_failed): New function.
4980         (decl_init_priority_lookup): Ditto.
4981         (decl_init_priority_insert): Ditto.
4982         * treestruct.def: New file.
4983         * tree.h (CODE_CONTAINS_STRUCT): New macro.
4984         (CONTAINS_STRUCT_CHECK): Ditto.
4985         (tree_contains_struct_check_failed): New prototype.
4986         (DECL_CHECK): Removed.
4987         (DECL_MINIMAL_CHECK): New.
4988         (DECL_COMMON_CHECK): Ditto.
4989         (DECL_WRTL_CHECK): Ditto.
4990         (DECL_NON_COMMON_CHECK): Ditto.
4991         (DECL_WITH_VIS_CHECK): Ditto.
4992         (VAR_OR_FUNCTION_DECL_P): Ditto
4993         (struct tree_decl_minimal): New structure.
4994         (struct tree_decl_common): Ditto.
4995         (struct tree_decl_with_rtl): Ditto.
4996         (struct tree_decl_with_vis): Ditto.
4997         (struct tree_decl_non_common): Ditto.
4998         (struct tree_field_decl): Ditto.
4999         (struct tree_parm_decl): Ditto.
5000         (struct tree_var_decl): Ditto.
5001         (struct tree_function_decl): Ditto.
5002         (struct tree_const_decl): Ditto.
5003         (struct tree_result_decl): Ditto.
5004         (union tree_node): Add new structures.
5005         * var-tracking.c (track_expr_p): Reverse order of tests.
5006
5007         * doc/c-tree.texi: Add documentation on DECL node internal structure.
5008
5009 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
5010
5011         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
5012         * system.h: Poison FINALIZE_PIC.
5013         * doc/tm.texi (FINALIZE_PIC): Remove.
5014
5015 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5016
5017         PR tree-opt/22329
5018         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
5019         to the correct type if we have a MODIFY_EXPR.
5020
5021 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
5022
5023         PR tree-optimization/22360
5024         * tree.c (upper_bound_in_type): Fix calculations for casting
5025         to a non-wider signed type and casting a signed value to a
5026         wider unsigned type.
5027         (lower_bound_in_type): Fix calculations for casting to a
5028         non-wider signed type.
5029
5030         PR tree-optimization/20139
5031         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
5032         release_defs.
5033         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
5034         fold_cond_expr_cond.
5035         * tree-ssanames.c (release_defs): Assert in_ssa_p.
5036         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
5037
5038 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5039
5040         PR tree-opt/22356
5041         * tree-complex.c (expand_complex_libcall): Produce
5042         REALPART_EXPR/IMAGPART_EXPR with the correct type.
5043
5044 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
5045
5046         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
5047         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
5048         b" assert and inserted fastpath code for this case.
5049         (bitmap_ior): Removed "a != b" assert.
5050
5051 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5052
5053         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
5054         (ENDFILE_SPEC): Likewise.
5055         * config/m32r/m32r.h (ASM_SPEC): Likewise.
5056
5057         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
5058         a large stack frame at epilogue.
5059
5060 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
5061
5062         * final.c: Include sdbout.h when required.
5063
5064 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
5065
5066         * config.gcc (*-*-darwin*): Only one target-specific header file
5067         for generic darwin.
5068         (powerpc-*-darwin*): Add version-specific header files.
5069         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
5070         * config.in: Regenerate.
5071         * configure: Regenerate.
5072         * gcc.c: Include xregex.h.
5073         (version_compare_spec_function): New.
5074         (spec_function): Add version-compare.
5075         (replace_outfile_spec_function): Reformat comment.
5076         (compare_version_strings): New.
5077         * config/darwin-c.c (version_as_macro): New.
5078         (builtin_define): New.
5079         (darwin_cpp_builtins): New.
5080         * config/darwin-protos.h (darwin_cpp_builtins): New.
5081         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
5082         (LIB_SPEC): Make unconditional, update comment.
5083         (TARGET_C99_FUNCTIONS): Define.
5084         * config/darwin.opt: Sort.
5085         (mmacosx-version-min=): New.
5086         * config/darwin7.h: Delete.
5087         * config/darwin8.h: Delete.
5088         * config/i386/darwin.h (): Call darwin_cpp_builtins.
5089         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
5090         (TARGET_C99_FUNCTIONS): Define.
5091         * config/rs6000/darwin7.h: New.
5092         * config/rs6000/darwin8.h: New.
5093         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
5094         (-mmacosx-version-min): Document.
5095
5096 2005-07-07  Ian Lance Taylor  <ian@airs.com>
5097
5098         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
5099
5100 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
5101
5102         PR middle-end/22239
5103         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
5104
5105 2005-07-07  Khem Raj  <kraj@mvista.com>
5106
5107         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
5108         in bytes, not words.
5109
5110 2005-07-07  Paul Brook  <paul@codesourcery.com>
5111
5112         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
5113         DEFAULT_FUNCTION_ARG_PADDING to upward.
5114
5115 2005-07-07  Richard Henderson  <rth@redhat.com>
5116
5117         * function.c (locate_and_pad_parm): Record parameter alignment in
5118         stack_alignment_needed.
5119
5120 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
5121
5122         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
5123         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
5124         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
5125         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
5126         (define_attr "type"): Add isync, sync, load_l, store_c.
5127         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
5128         Create scratch volatile MEM.
5129         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
5130         sync.
5131         (load_locked_<mode>): New.
5132         (store_conditional_<mode>): New.
5133         (sync_compare_and_swap<mode>): Replace with splitter.
5134         (sync_lock_test_and_set<mode>): Replace with splitter.
5135         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
5136         and UNSPECV_ISYNC.
5137         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
5138         is ics.  Attribute isync.
5139         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
5140         lwsync.
5141         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
5142         and UNSPECV_SYNC_OP.
5143         (emit_unlikely_jump): New.
5144         (emit_load_locked): New.
5145         (emit_store_conditional): New.
5146         (rs6000_split_compare_and_swap): New.
5147         (rs6000_split_lock_test_and_set): New.
5148         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
5149         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
5150         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
5151         rs6000_split_lock_test_and_set): Declare.
5152         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
5153         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
5154         store_c, isync, sync.
5155
5156 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
5157
5158         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
5159         filenames to gtyp-gen.h.
5160         (s-typ-gen): Use it in place of for loops.
5161
5162 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
5163
5164         * hooks.c (hook_bool_rtx_int_false): New function.
5165         * hooks.h (hook_bool_rtx_int_false): Declare.
5166         * target-def.h (TARGET_COMMUTATIVE_P): Define.
5167         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
5168         * target.h (struct gcc_target): Add commutative_p member.
5169         * targhooks.c (hook_bool_rtx_commutative_p): New function.
5170         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
5171         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
5172         (pa_commutative_p): New function.
5173         * jump.c (target.h): Include.
5174         (rtx_renumbered_equal_p): Use targetm.commutative_p.
5175         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
5176
5177 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5178
5179         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
5180         (s390_expand_setmem): New.
5181         * config/s390/s390.c: Likewise.
5182         (print_shift_count_operand): Truncate to 12 bits instead of 6.
5183         Adapt comments.
5184         * config/s390/s390.md: ("setmem<mode>"): Accept character as
5185         general_operand.  Call new function "s390_expand_setmem".
5186         ("clrmem_long", "*clrmem_long"): Rewrite to ...
5187         ("setmem_long", "*setmem_long"): ... this.
5188
5189 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5190
5191         * config/s390/s390.c: (optimization_options): Enable
5192         TARGET_MVCLE at -Os.
5193         * doc/invoke.texi: Document changes in default behaviour.
5194         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
5195
5196 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5197
5198         * expr.c: (set_storage_via_setmem): Convert opchar to mode
5199         defined by back-end.
5200
5201 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
5202
5203         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
5204         all sets in the pattern.
5205         * config/rs6000/rs6000.md (stack_protect_testsi,
5206         stack_protect_testdi): Likewise.
5207
5208 2005-07-06  Jeff Law  <law@redhat.com>
5209
5210         * tree-vrp.c (simplify_using_ranges): Kill.
5211         (vrp_finalize): Remove call to simplify_using_ranges.
5212         (simplify_stmt_using_ranges): New function extracted from
5213         simplify_using_ranges.
5214         (simplify_div_or_mod_using_ranges): Likewise.
5215         (simplify_abs_using_ranges): Likewise.
5216         (simplify_cond_using_ranges): New function.
5217         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
5218         * tree-ssa-propagate.c (substitute_and_fold): Call
5219         simplify_stmt_using_ranges if we have range information.
5220
5221 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
5222
5223         * config/ia64/ia64.c (ia64_reorg): Check optimize before
5224         ia64_flag_schedule_isns2.
5225
5226         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
5227         reading/writing general registers.
5228         (ia64_function_arg): Revert 2005-06-18 change.
5229
5230 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
5231
5232         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
5233         (legitimize_tls_address): Use gcc_unreachable instead of abort.
5234
5235 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
5236
5237         * function.c (expand_function_end): Revert part of 2005-06-27
5238         patch.  Do sjlj_emit_function_exit_after after return_label.
5239
5240 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
5241
5242         * doc/install.texi (--disable-libssp): New.
5243
5244 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
5245
5246         * doc/invoke.texi: Update -fforce-mem documentation.
5247         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
5248         code for -fforce-mem.
5249         * expmed.c: (store_bit_field,store_fixed_bit_field,
5250         extract_bit_field): Ditto.
5251         * expr.c: (convert_move): Ditto.
5252         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
5253         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
5254         emit_conditional_add,expand_float,expand_fix): Ditto.
5255         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
5256         (common_handle_option): Issue warning when -fforce-mem specified.
5257
5258 2005-07-06  Paul Brook  <paul@codesourcery.com>
5259
5260         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
5261         argument is empty.
5262         * configure: Regenerate.
5263
5264 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
5265
5266         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
5267
5268 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
5269
5270         Fix PR tree-optimization/22319
5271         Fix PR tree-optimization/22140
5272         Fix PR tree-optimization/22310
5273
5274         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
5275         variable sized types.
5276         Use correct type for intermediate structure on *a = *b structure
5277         copies.
5278
5279 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
5280
5281         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
5282         Remove.
5283         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
5284         (machine_function): Move typedef to...
5285         * config/rs6000/rs6000.c (machine_function): ... here.  Add
5286         varargs_save_offset field.
5287         (rs6000_stack_t): Remove varargs_size field.
5288         (setup_incoming_varargs): Allocate varargs save area using
5289         assign_stack_local, try to make it as small as possible.
5290         Save offset from virtual_stack_vars_rtx to the save area
5291         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
5292         instead of magic 8 when fp word byte size is used.
5293         (rs6000_va_start): Use cfun->machine->varargs_save_offset
5294         instead of -RS6000_VARARGS_SIZE.
5295         (rs6000_stack_info, debug_stack_info,
5296         rs6000_initial_elimination_offset): Remove all traces of
5297         varargs_size.
5298         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
5299         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
5300         RS6000_VARARGS_AREA.
5301
5302 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
5303
5304         PR tree-optimization/21963
5305         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
5306         constant_multiple_of in the same way get_computation_cost_at does.
5307
5308 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
5309
5310         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
5311         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
5312         (gen_compare_reg): If sparc_compare_emitted is set, clear it
5313         and return its previous value.
5314         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
5315         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
5316         constants.
5317         (stack_protect_set, stack_protect_test): New expanders.
5318         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
5319         stack_protect_testdi): New insns.
5320         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5321         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
5322
5323 2005-07-06  Jeff Law  <law@redhat.com>
5324
5325         * tree-ssa-dce.c (cfg_altered): New global.
5326         (tree_dce_init): Initialize cfg_altered.
5327         (remove_dead_stmt): If we remove an edge in the CFG, then set
5328         CFG_ALTERED.
5329         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
5330         the dominators.
5331
5332 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
5333
5334         * Makefile.in (stamp-collect-ld): Use
5335         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
5336         ./collect-ld if it already exists.
5337         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
5338         Don't remove ./nm if it already exists.
5339
5340 2005-07-05  Devang Patel  <dpatel@apple.com>
5341
5342         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
5343         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
5344         * tree-vectorizer.c (vect_loop_location): New.
5345         (vect_print_dump_info): Use vect_loop_location.
5346         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
5347         (vectorize_loops): Set vect_loop_location.
5348         * tree-vect-analyze.c (vect_analyze_offset_expr,
5349         vect_determin_vectorization_factor, vect_analyze_operations,
5350         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
5351         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
5352         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
5353         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
5354         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
5355         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
5356         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
5357         vect_analyze_loop): Adjust vect_print_dump_info API.
5358         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5359         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
5360         vect_finish_stmt_generation, vectorizable_assignment,
5361         vectorizable_operation, vectorizable_store, vectorizable_load,
5362         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
5363         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
5364         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
5365         vect_transform_loop): Same.
5366         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
5367         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
5368         Same.
5369
5370 2005-07-05  Randolph Chung  <tausq@debian.org>
5371
5372         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
5373         * configure: Regenerate.
5374         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
5375         (pa_tls_referenced_p): Declare.
5376         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
5377         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
5378         (legitimize_tls_address): New.
5379         (hppa_legitimize_address): Handle TLS addresses.
5380         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
5381         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5382         (emit_move_sequence): Handle TLS addresses.
5383         (pa_encode_section_info): Call default handler to handle common
5384         sections.
5385         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
5386         (CONSTANT_ADDRESS_P): Reject TLS operands.
5387         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
5388         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
5389         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
5390         (UNSPEC_TLSLE): Define new constants.
5391         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
5392         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
5393         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
5394         (tie_symbolic_operand, tle_symbolic_operand): New
5395
5396 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
5397
5398         * aclocal.m4: Update macros for autoconf 2.59 style.
5399         * configure.ac: Likewise.
5400
5401 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5402
5403         * pa.c (function_value): Handle small aggregates on 32-bit targets.
5404         (function_arg): Pass small aggregates in general registers on 32-bit
5405         targets.
5406         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
5407
5408 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
5409
5410         * Makefile.in (final.o): Fix dependencies.
5411
5412 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
5413
5414         PR c/22013
5415         PR c/22098
5416         * langhooks.h (struct lang_hooks): Add expr_to_decl.
5417         * langhooks.c (lhd_expr_to_decl): New.
5418         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
5419         New.
5420         (LANG_HOOKS_INITIALIZER): Update.
5421         * tree.c (recompute_tree_invarant_for_addr_expr): Call
5422         expr_to_decl langhook.
5423         * c-tree.h (c_expr_to_decl): Declare.
5424         * c-typeck.c (c_expr_to_decl): New.
5425         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
5426         specially.
5427         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
5428
5429 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
5430
5431         PR c/22308
5432         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
5433         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
5434
5435 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
5436
5437         * Makefile.in: Adjust dependencies.
5438         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
5439         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
5440         * alias.c (rest_of_handle_cfg, pass_cfg): New.
5441         * bb-reorder.c (duplicate_computed_gotos): Make it static.
5442         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
5443         rest_of_compilation.
5444
5445         * bb-reorder.c (gate_duplicate_computed_gotos,
5446         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
5447         rest_of_handle_reorder_blocks, pass_reorder_blocks,
5448         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
5449         pass_partition_blocks): New.
5450         * bt-load.c (gate_handle_branch_target_load_optimize,
5451         rest_of_handle_branch_target_load_optimize,
5452         pass_branch_target_load_optimize): New.
5453         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
5454         pass_jump2): New.
5455         * cfglayout.c (pass_insn_locators_initialize): New.
5456         * cfgrtl.c (pass_free_cfg): New.
5457         * combine.c (gate_handle_combine, rest_of_handle_combine,
5458         pass_combine): New.
5459         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
5460         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
5461         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
5462         * except.c (pass_set_nothrow_function_flags,
5463         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
5464         pass_rtl_eh): New.
5465         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
5466         rest_of_handle_shorten_branches, pass_shorten_branches,
5467         rest_of_clean_state, pass_clean_state): New.
5468         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
5469         rest_of_handle_remove_death_notes, pass_remove_death_notes,
5470         rest_of_handle_life, pass_life, rest_of_handle_flow2,
5471         pass_flow2): New.
5472         * function.c (pass_instantiate_virtual_regs, pass_init_function,
5473         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
5474         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
5475         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
5476         pass_gcse): New.
5477         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
5478         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
5479         pass_rtl_ifcvt, gate_handle_if_after_combine,
5480         rest_of_handle_if_after_combine, pass_if_after_combine,
5481         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
5482         pass_if_after_reload): New.
5483         * integrate.c (pass_initial_value_sets): New.
5484         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
5485         pass_purge_lineno_notes): New.
5486         * mode-switching.c (rest_of_handle_mode_switching,
5487         pass_mode_switching): New.
5488         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
5489         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
5490         pass_loop2): New.
5491         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
5492         pass_loop_optimize): New.
5493         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
5494         pass_sms): New.
5495         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
5496         pass_gcse2): New.
5497         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
5498         pass_postreload_cse): New.
5499         * profile.c (gate_handle_profiling, pass_profiling,
5500         rest_of_handle_branch_prob, pass_branch_prob): New.
5501         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
5502         pass_split_before_regstack, gate_handle_split_before_regstack,
5503         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
5504         rest_of_handle_split_all_insns, pass_split_all_insns): New.
5505         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
5506         pass_stack_regs): New.
5507         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
5508         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
5509         pass_stack_adjustments): New.
5510         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
5511         pass_regrename): New.
5512         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
5513         pass_delay_slots, gate_handle_machine_reorg,
5514         rest_of_handle_machine_reorg, pass_machine_reorg): New.
5515         * rtl.h (extern void purge_line_number_notes): New.
5516         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
5517         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
5518         pass_sched2): New.
5519         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
5520         pass_tracer): New.
5521         * value-prof.c (gate_handle_value_profile_transformations,
5522         rest_of_handle_value_profile_transformations,
5523         pass_value_profile_transformations): New.
5524         * var-tracking.c (gate_handle_var_tracking,
5525         pass_variable_tracking): New.
5526         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
5527
5528         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
5529         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
5530         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
5531         rest_of_handle_old_regalloc, rest_of_handle_regrename,
5532         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
5533         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
5534         rest_of_handle_gcse2, rest_of_handle_regmove,
5535         rest_of_handle_tracer, rest_of_handle_if_conversion,
5536         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
5537         rest_of_handle_web, rest_of_handle_branch_prob,
5538         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
5539         rest_of_handle_jump_bypass, rest_of_handle_combine,
5540         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5541         rest_of_handle_gcse, rest_of_handle_loop_optimize,
5542         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
5543         rest_of_handle_mode_switching, rest_of_handle_jump,
5544         rest_of_handle_eh, rest_of_handle_stack_adjustments,
5545         rest_of_handle_flow2, rest_of_handle_jump2,
5546         rest_of_handle_peephole2, rest_of_handle_postreload,
5547         rest_of_handle_shorten_branches, rest_of_clean_state,
5548         rest_of_compilation): Remove.
5549
5550         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
5551         * passes.c (dump_flags, in_gimple_form, all_passes,
5552         all_ipa_passes, all_lowering_passes, register_one_dump_file,
5553         register_dump_files, next_pass_1, last_verified, execute_todo,
5554         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
5555         from tree-optimize.c.
5556         (init_optimization_passes): Moved from tree-optimize.c,
5557         adding the RTL optimizations.
5558         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
5559         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
5560         all_ipa_passes, all_lowering_passes, register_one_dump_file,
5561         register_dump_files, next_pass_1, last_verified, execute_todo,
5562         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
5563         init_tree_optimization_passes, ipa_passes): Delete.
5564         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
5565         the RTL dumps.
5566         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
5567         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
5568         from tree.h.
5569         (ipa_passes): Remove.
5570         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
5571         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
5572         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
5573         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
5574         (dump_info_p, dump_flag): Moved to tree-dump.h.
5575
5576         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
5577         cgraph.c, opts.c.
5578         * passes.c (finish_optimization_passes): Use dump_begin
5579         and dump_end, TDI_end.
5580         (gate_rest_of_compilation): New.
5581         (pass_rest_of_compilation): Use it.
5582         (gate_postreload, pass_postreload): New.
5583         * toplev.c (general_init): Rename init_tree_optimization_passes.
5584         * toplev.h (init_tree_optimization_passes): Rename to
5585         init_optimizations_passes.
5586         * tree-dump.c (dump_flag): Make static.
5587         (dump_files): Remove RTL dumps.
5588         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
5589         pass_cleanup_cfg, pass_free_cfg_annotations,
5590         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
5591         pass_init_datastructures, pass_fixup_cfg): Make non-static.
5592         * tree-pretty-print.c: Include tree-pass.h.
5593         * cgraph.c: Include tree-dump.h.
5594
5595 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
5596
5597         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
5598         Only fall back to saying it points to readonly memory if
5599         we can't do better.
5600
5601 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
5602
5603         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
5604         * config/m32r/m32r.c (m32r_compute_frame_size,
5605         m32r_expand_prologue): Take current_function_profile into
5606         account whenever we reference
5607         current_function_uses_pic_offset_table.
5608         (m32r_finalize_pic): Remove.
5609         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
5610
5611 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
5612
5613         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
5614         instead of $<.  Don't remove ./as if it already exists.
5615
5616 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5617
5618         PR target/21723
5619         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
5620         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
5621         for complex modes when generating code for PA 1.0.
5622         (VALID_FP_MODE_P): New macro.
5623         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
5624         sets for all general and floating point modes.  Align wide floating
5625         point modes to even register boundaries to comply with architectural
5626         requirements.
5627         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
5628         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
5629         (VALID_FP_MODE_P): New macro.
5630         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
5631         sets for all general and floating point modes.  Align wide floating
5632         point modes to even register boundaries to comply with architectural
5633         requirements.
5634
5635 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
5636
5637         * tree-dump.c (dump_files): Initialize dump number for .cgraph
5638         to 0.
5639
5640 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
5641
5642         * tree-ssa-structalias.c: Don't include expr.h.
5643
5644 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
5645
5646         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
5647         comments.
5648
5649 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
5650
5651         Fix PR tree-optimization/22279
5652
5653         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
5654         correct operator.
5655
5656 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
5657
5658         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
5659
5660 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
5661
5662         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
5663         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
5664         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
5665         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
5666         config/stormy16/stormy16.c, config/v850/v850.c,
5667         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
5668         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
5669         Avoid "." or "\n" at end of diagnostics and capital letters at
5670         start of diagnostics.
5671         * combine.c, cse.c: Don't translate dump file output.
5672         * toplev.c (print_version): Only translate output if going to
5673         stderr.
5674
5675 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
5676
5677         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
5678         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
5679         typos.
5680
5681 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5682
5683         * pa.c (fix_range): Fix typo in comment.
5684
5685 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
5686
5687         * tree-vrp.c (extract_range_from_assert): Replace
5688         fold (build (...)) with fold_build2.
5689
5690 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5691
5692         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
5693         gcc_gfc_char_table, init_dynamic_gfc_info): New.
5694         (format_types_orig, handle_format_attribute): Add support for
5695         format "gcc_gfc".
5696
5697 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5698
5699         * varasm.c (assemble_variable): Fix format specifier thinko.
5700
5701 2005-07-03  Ira Rosen  <irar@il.ibm.com>
5702
5703         PR tree-optimization/22029 (and 22135)
5704         * tree-pretty-print.c (dump_generic_node): Check that the node is not
5705         a phi node before calling dump_vops.
5706
5707 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5708
5709         * tree-dump.h (dump_string_field): Declare.
5710         * tree-dump.c: Use it instead of dump_string.
5711         (dump_string_field): Make non-static.
5712
5713 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5714
5715         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
5716         up the minimal CFG stuff always when optimize > 0.  Call
5717         split_all_insns_noflow in PIC case if needed.
5718
5719 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5720             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
5721
5722         PR c++/18279
5723         * c-decl.c (c_write_global_declarations): Dump contents of
5724         external scope to.
5725         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
5726         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
5727         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
5728         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
5729         is enabled.
5730
5731 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
5732
5733         * c-common.h (GCC_DIAG_STYLE): Define.
5734         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
5735         version for format checking to 4.1.
5736         * c-format.c: Include toplev.h after c-common.h.
5737         (enum format_type): Add gcc_tdiag_format_type.
5738         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
5739         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
5740         (format_types_orig): Add gcc_tdiag.
5741         (init_dynamic_diag_info): Support gcc_tdiag formats.
5742         (handle_format_attribute): Likewise.
5743         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
5744         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
5745         version for format checking to 4.1.
5746         (warning0, warning, error, pedwarn, sorry): Use
5747         ATTRIBUTE_GCC_DIAG.
5748         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
5749         (finish_aliases_1): Do not use %qE.
5750         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
5751         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
5752         Correct format bugs.
5753         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
5754         parameter to unsigned HOST_WIDE_INT.
5755         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
5756
5757 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
5758
5759         PR middle-end/21742
5760         * expr.c (write_complex_part): Use adjust_address for MEM.
5761         (read_complex_part): Same.
5762
5763 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
5764
5765         Fix PR tree-optimization/22280
5766
5767         * tree-sra.c (generate_element_init): Remove useless loop.
5768
5769 2005-07-02  Richard Henderson  <rth@redhat.com>
5770
5771         * config/alpha/alpha.c (alpha_legitimize_address): Check for
5772         TLS_MODEL_NONE.
5773         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
5774
5775 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
5776
5777         PR middle-end/14490
5778         * fold-const.c (fold_binary): Handle the return value of
5779         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
5780         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
5781
5782 2005-07-02  Jeff Law  <law@redhat.com>
5783
5784         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
5785         a eliminate type conversion which feeds an equality comparison
5786         if the original type or either operand in the comparison is a
5787         function pointer.
5788
5789 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
5790
5791         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
5792         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
5793         texts.
5794         * config/avr/avr.c: Do not use '`' as left quote.
5795         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
5796         Remove "." from end of diagnostics.  Make diagnostics start with
5797         lowercase letter.
5798
5799 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
5800             Joseph S. Myers  <joseph@codesourcery.com>
5801
5802         * toplev.c (default_tree_printer): Handle setting location with
5803         '+' flag.
5804         * c-objc.common.c (c_tree_printer): Likewise.
5805         * c-format.c (gcc_diag_flag_specs): Add '+'.
5806         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
5807         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
5808         formats.
5809         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
5810         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
5811         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
5812         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
5813         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
5814         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
5815         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
5816         format arguments where %J is used without %D.
5817
5818 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
5819
5820         * gcc.c (LINK_SSP_SPEC): Define.
5821         (link_ssp_spec): New variable.
5822         (LINK_COMMAND_SPEC): Add %(link_ssp).
5823         (static_specs): Add link_ssp_spec.
5824         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
5825         * configure: Rebuilt.
5826         * config.in: Rebuilt.
5827
5828         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5829         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5830         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5831         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5832         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
5833         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
5834         -0x7008(2) instead of reading __stack_chk_guard variable.
5835         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
5836         number.
5837         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
5838         (stack_protect_set, stack_protect_test): Use *_tls* patterns
5839         if TARGET_THREAD_SSP_OFFSET is defined.
5840         (stack_tls_protect_set_si, stack_tls_protect_set_di,
5841         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
5842
5843         Revert:
5844         2005-06-27  Richard Henderson  <rth@redhat.com>
5845         * libgcc-std.ver (GCC_4.1.0): New.
5846         * libgcc.h (__stack_chk_guard): Declare.
5847         (__stack_chk_fail, __stack_chk_fail_local): Declare.
5848         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
5849         * mklibgcc.in (lib2funcs): Add them.
5850
5851 2005-07-01  Richard Henderson  <rth@redhat.com>
5852
5853         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
5854         void * before struct sigcontext *.
5855         (x86_fallback_frame_state): Likewise.
5856
5857 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
5858
5859         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
5860
5861 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
5862
5863         PR tree-opt/22269
5864         * tree-ssa-reassoc.c (should_transpose): Fix which operand
5865         we check for SSA_NAME for.
5866
5867 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
5868
5869         Fix PR tree-optimization/22071
5870
5871         * tree-ssa-structalias.c (offset_overlaps_with_access): New
5872         function.
5873         (get_constraint_for_component_ref): Use it.
5874
5875 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
5876
5877         PR other/22264
5878         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
5879         print out the last new line.
5880
5881 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
5882
5883         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
5884         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
5885         * config/cris/cris.c (cris_conditional_register_usage): Adjust
5886         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
5887         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
5888         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
5889         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
5890         (enum reg_class): New member CC0_REGS.
5891         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
5892         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
5893         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
5894         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
5895         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
5896         Adjust for register now described.
5897
5898 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
5899
5900         PR target/22262
5901         * config/i386/i386.md (stack_protect_test_si,
5902         stack_protect_test_di): Add earlyclobber for scratch 3.
5903         * config/rs6000/rs6000.md (stack_protect_testsi,
5904         stack_protect_testdi): Add earlyclobber for scratch 3,
5905         remove earlyclobber from scratch 4.
5906
5907 Older entries for 2005 can be found in ChangeLog-2005.