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