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