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