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PR middle-end/23290
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
2
3         PR middle-end/23290
4         * stor-layout.c (compute_record_mode): For records with a single
5         field, actually check the field's mode size against the type size.
6
7         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
8         registers for TARGET_SHMEDIA.
9         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
10         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
11         of GENERAL_REGS and FP_REGS.
12
13 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
14
15         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.       
16
17 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
18
19         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
20         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
21         are omitted.  Exclude stack_tie insn too.
22
23 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
24
25         PR rtl-optimization/23098
26         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
27         0.0f is easy.
28         * config/rs6000/rs6000.md (movdf splitter): Use
29         const_double_operand predicate for TARGET_POWERPC64.
30         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
31         SYMBOL_REF method to ABI_V4.
32
33         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
34         replace_equiv_address.
35         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
36         rs6000_sr_alias_set and MEM_NOTRAP.
37         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
38
39 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
40
41         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
42         handle CALL_EXPR again.
43
44 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
45
46         * arm/predicates.md (alignable_memory_operand): Delete.
47
48 2005-09-10  Richard Henderson  <rth@redhat.com>
49
50         PR debug/23806
51         * dbxout.c (dbxout_expand_expr): New.
52         (dbxout_symbol): Use it.
53
54 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
55
56         * arm.c (arm_gen_rotated_half_load): Delete.
57         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
58         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
59         (thumb_set_return_address): Likewise.
60         (thumb_load_double_from_address): Use adjust_address.
61         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
62         (extendhsisi2_mem, movhi_bytes): Use change_address.
63         (movhi): Use widen_memory_access.
64         (reload_out_df): Use replace_equiv_address.
65         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
66
67 2005-09-09  Richard Henderson  <rth@redhat.com>
68
69         PR debug/20998
70         * dbxout.c: Include expr.h.
71         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
72         (dbxout_symbol): Handle DECL_VALUE_EXPR.
73         * Makefile.in (dbxout.o): Add EXPR_H.
74
75 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
76
77         PR tree-optimization/23509
78         * tree-cfg.c (replace_uses_by): Use replace_exp.
79         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
80         pointers have name_mem_tag or type_mem_tag set.
81
82 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
83
84         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use 
85         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
86         of wrongly accessing operands.
87
88 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
89
90         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
91         * tree-chrec.c: Include tree-scalar-evolution.h.
92         (chrec_convert): Instantiate the base and step before calling
93         scev_probably_wraps_p that would fail on parametric evolutions.
94         Collect all the fails into a single section failed_to_convert,
95         print a diagnostic, and return chrec_dont_know instead of calling
96         fold_convert.
97         * tree-scalar-evolution.c (loop_closed_phi_def): New.
98         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
99         phi nodes.
100         (scev_const_prop): Don't replace the definition of a loop closed ssa
101         phi node by itself, or by another loop closed ssa phi node.
102         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
103         that base and step are defined.
104
105 2005-09-09  Richard Guenther  <rguenther@suse.de>
106
107         PR c++/23624
108         * fold-const.c (fold_ternary): Check truth_value_p before
109         calling invert_truthvalue.
110
111 2005-09-09  Nick Clifton  <nickc@redhat.com>
112
113         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
114         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
115         dimension of these arrays.
116         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
117         these arrays.
118         * longlong.h: Only provide a prototype for the __clz_tab[] array
119         if this header has not been included from libgcc2.h.
120         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
121         defining own types.
122         Provide prototypes for exported functions.
123         Use the __clz_tab[] and __popcount_tab[] arrays provided by
124         libgcc2.c.
125
126 2005-09-08  Josh Conner  <jconner@apple.com>
127
128         PR c++/21135
129         PR c++/23180
130         * expr.c (expand_expr_addr_expr_1): Don't invoke
131         expand_simple_binop for EXPAND_INITIALIZER.
132
133 2005-09-08  Richard Henderson  <rth@redhat.com>
134
135         PR debug/23190
136         * toplev.c (wrapup_global_declaration_1): Split out ...
137         (wrapup_global_declaration_2): ... from ...
138         (wrapup_global_declarations): ... here.  Return bool.
139         (check_global_declaration_1): Split out ...
140         (check_global_declarations): from here.
141         (emit_debug_global_declarations): New.
142         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
143         check_global_declaration_1, emit_debug_global_declarations): Declare.
144         * c-decl.c (c_write_global_declarations_1): Don't create a vector
145         of decls.  Call wrapup_global_declaration_1,
146         wrapup_global_declaration_2, check_global_declaration_1 directly.
147         (c_write_global_declarations_2): New.
148         (ext_block): New.
149         (c_write_global_declarations): Call c_write_global_declarations_2.
150         * langhooks.c (write_global_declarations): Call
151         emit_debug_global_declarations.
152
153         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
154         remove decls that have DECL_RTL_SET_P.
155         * passes.c (rest_of_decl_compilation): Invoke
156         cgraph_varpool_finalize_decl for all but functions.
157
158 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
159
160         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
161         the result of a conversion if the new min and max cannot be compared.
162
163 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
164
165         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
166         (override_options): Setting s390_sr_alias_set removed.
167         (save_fpr, save_gprs): Set alias set to vararg or frame.
168         (restore_fpr, restore_gprs, s390_emit_prologue): Replace 
169         s390_sr_alias_set with get_frame_alias_set ().
170         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
171         get_varargs_alias_set ().
172
173 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
174
175         PR objc/20574
176         PR objc/19324
177         * c-parser.c (c_parser_objc_method_definition): If the next
178         token is not "{", error out and don't start the function.
179
180 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
181
182         * tree-vrp.c (extract_range_from_expr): Move the check for non
183         nullness after the check for gimple invariant.
184
185 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
186
187         * tree.c (host_integerp, tree_low_cst): Correct function comment.
188
189 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
190
191         PR target/23747
192         * config/m32r.md (movmemsi_internal): Canonicalize order of
193         operands in PLUS component of template.
194
195 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
196
197         * reload1.c (fixup_eh_region_note): Remove assertion.
198         (fixup_abnormal_edges): Reverted removal of call to 
199         find_many_sub_basic_blocks made on 2005-08-31.
200
201 2005-09-07  Richard Henderson  <rth@redhat.com>
202
203         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
204         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
205         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
206         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
207         rearrange for better packing.
208         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
209         (lookup_cfa_1): Remove inline marker.
210         (cfa_equal_p): Split out of ...
211         (def_cfa_1): ... here.  Use INVALID_REGNUM.
212         (build_cfa_loc): Handle !cfa->indirect.
213         (frame_pointer_cfa_offset): New.
214         (dbx_reg_number): Assert register elimination performed; do
215         leaf register remapping.
216         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
217         (eliminate_reg_to_offset): New.
218         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
219         for verifiably local stack frame addresses; re-base to CFA.
220         (mem_loc_descriptor): Remove can_use_fbreg argument.
221         (concat_loc_descriptor, loc_descriptor): Likewise.
222         (containing_function_has_frame_base): Remove.
223         (rtl_for_decl_location): Don't do register elimination or
224         leaf register remapping here.
225         (secname_for_decl): Split out from ..
226         (add_location_or_const_value_attribute): ... here.
227         (convert_cfa_to_loc_list): New.
228         (compute_frame_pointer_to_cfa_displacement): New.
229         (gen_subprogram_die): Use them.
230         * tree.h (frame_base_decl): Remove.
231         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
232         (prologue_stack_adjust): Remove.
233         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
234         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
235         (set_frame_base_location): Remove.
236         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
237         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
238         (vt_add_function_parameters): Don't eliminate_regs.
239         (vt_initialize): Don't create frame_base_decl.
240
241 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
242
243         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
244         version of GNU binutils for 4.x and later.
245
246 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
247
248         * ggc-page.c (ggc_push_context): Remove.
249         (ggc_pop_context): Likewise.
250         * ggc.h (ggc_push_context): Remove.
251         (ggc_pop_context): Likewise.
252
253 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
254
255         PR target/8973
256         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
257         returning from an interrupt handler.
258
259 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
260
261         PR target/8972
262         * config/arc/arc.c (output_shift): Add check for loop count when
263         optimizing.
264
265 2005-09-06  Steven Bosscher  <stevenb@suse.de>
266
267         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
268         form manually.
269         (abs_replacement): Likewise.
270         (pass_phiopt): Remove TODO_update_ssa.
271
272 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
273
274         PR c/23075
275         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
276         if "return with no value, in function returning non-void" warning
277         has been issued.
278         * tree-cfg.c (execute_warn_function_return): Don't look at
279         RETURN_EXPRs with TREE_NO_WARNING set.
280
281         PR target/22362
282         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
283         for internal functions doesn't use registers used by global registers
284         variables.  Use fewer register parameters if there are global register
285         variables.
286
287 2005-09-06  Olivier Hainque  <hainque@adacore.com>
288             Eric Botcazou  <ebotcazou@adacore.com>
289
290         PR middle-end/14997
291         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
292         when we would be extracting outside its bit span (bitpos+bitsize
293         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
294         Ada unchecked conversions.
295
296 2005-09-06  Steven Bosscher  <stevenb@suse.de>
297
298         * tree-ssa-pre.c (try_look_through_load): New function.
299         (compute_avail): Use it to try to look through loads for some
300         more useful expressions.
301
302 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
303
304         * simplify-rtx.c (simplify_binary_operation_1): Correct the 
305         condition for detecting cases like (a&a) and (a^a).
306
307 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
308
309         * common.opt: Add option ftree-vect-loop-version.
310         * params.def: Add --param vect-max-version-checks.
311         * doc/invoke.texi: Document ftree-vect-loop-version and
312         --param vect-max-version-checks.
313         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
314         may_misalign_stmts and defines for accessors.
315         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
316         LOOP_VINFO_MAY_MISALIGN_STMTS.
317         (destroy_loop_vec_info): VEC_free for
318         LOOP_VINFO_MAY_MISALIGN_STMTS.
319         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
320         Update documentation.
321         (vect_update_misalignment_for_peel): New.
322         (vect_enhance_data_refs_alignment): Update to choose loop
323         peeling or loop versioning if appropriate for the (potentially)
324         unaligned data references in the loop.
325         (vect_analyze_data_refs_alignment): Remove call to
326         vect_enhance_data_refs_alignment so the checks can be done
327         earlier.
328         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
329         and move up call to vect_analyze_data_refs_alignment.
330         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
331         (vect_transform_loop): Add call to loop_version.
332
333 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
334
335         PR rtl-optimization/23098
336         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
337         * simplify-rtx.c (constant_pool_reference_p): New function.
338         * rtl.h (constant_pool_reference_p): New prototype.
339         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
340         constant_pool_reference_p in condition and
341         avoid_constant_pool_reference in preparation statements.
342
343 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
344
345         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for 
346         STRICT_LOW_PART SETs.
347
348 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
349
350         PR middle-end/21460
351         * except.c (sjlj_emit_function_enter): Find the function begin
352         note even when it's not in first basic block.
353
354 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
355
356         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
357         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
358         * aclocal.m4: Regenerate.
359
360 2005-09-05  DJ Delorie  <dj@redhat.com>
361
362         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
363         of macro.
364
365 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
366
367         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
368         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
369         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
370         Follow spelling conventions.
371         * doc/invoke.texi: Follow spelling conventions.
372
373 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
374
375         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
376         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
377         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
378
379 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
380
381         PR target/23683
382         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
383         (output_stack_adjust): Use gen_tmp_stack_mem.
384         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
385         (sh_set_return_address, sh_allocate_initial_value): Likewise.
386         (sh_get_pr_initial_val): Likewise.
387         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
388         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
389         * sh.md (divsi_inv_m0): Use gen_const_mem.
390         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
391         (movdf_i4+1): Use gen_tmp_stack_mem.
392         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
393         (fpu_switch+2): Likewise.
394         (movv4sf_i, movv16sf_i): Use adjust_address.
395         (symGOT_load): Set MEM_NOTRAP_P bit.
396
397 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
398
399         PR target/23721
400         * pa.c (emit_move_sequence): Fix typo in last change.
401
402 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
403
404         PR rtl-optimization/23454
405         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
406         is true.
407
408 2005-09-03  Richard Henderson  <rth@redhat.com>
409             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
410
411         PR middle-end/23671
412         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
413         gen_rtx_MEM.
414
415 2005-09-02  Nicolas Pitre <nico@cam.org>
416
417         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
418         to bit_count to 32 bits.
419
420 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
421
422         PR c++/23167
423         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
424         generating synthetic loads from volatile lvalues.
425
426 005-09-02  Nick Clifton  <nickc@redhat.com>
427
428         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
429         __ctzhi2, __clzhi2): New functions.
430
431 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
432
433         PR middle-end/23547
434         * tree-nested.c (struct var_map_elt): Mark with GTY.
435         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
436         var_map_elt.
437         (lookup_field_for_decl): Allocate new element in GC memory.
438         (lookup_tramp_for_decl): Likewise.
439         (convert_nl_goto_reference): Likewise
440         (create_nesting_tree): Allocate info in GC memory. Likewise for
441         info->var_map.
442         (free_nesting_tree): Free with ggc_free instead of free.
443         (root): New static variable.
444         (lower_nested_functions): Remove root as local variable.  And zero out
445         root at the end of the function.
446
447 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
448
449         PR rtl-optimization/20365
450         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
451         to short.  New member ix.
452         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
453         (simplify_plus_minus): Initialize ix members before calling qsort.
454
455 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
456
457         PR tree-optimization/23626
458         * tree-cfg.c (replace_uses_by): Clean up eh info.
459
460 2005-09-01  DJ Delorie  <dj@redhat.com>
461
462         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
463         fprintf.
464
465 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
466
467         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
468         (rs6000_split_multireg_move): Use replace_equiv_address instead of
469         gen_rtx_MEM.
470
471 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
472
473         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
474         do not issue warning for a variable definition following
475         a declaration.
476
477 2005-09-01  Richard Henderson  <rth@redhat.com>
478
479         PR 23668
480         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
481         conversion to CONST_VECTOR.
482
483 2005-09-01  Richard Henderson  <rth@redhat.com>
484
485         PR 23676
486         * reload1.c (reload_as_needed): Check !CALL_P before calling
487         fixup_eh_region_note.
488         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
489
490 2005-09-01  DJ Delorie  <dj@redhat.com>
491
492         * varasm.c (output_constant): Let the target resolve
493         conversions of addresses to non-default pointer sizes.
494
495 2005-09-01  Nicolas Pitre <nico@cam.org>
496
497         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
498         to alow matching ARM pre-indexed addressing mode.
499         (arm_override_options): Remove now irrelevant comment.
500
501 2005-09-01  Phil Edwards  <phil@codesourcery.com>
502
503         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
504         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
505         * config/i386/vxworks.h:  Likewise.
506         * config/i386/t-vxworksae:  New file, for VxWorks AE.
507         * config/i386/vxworksae.h:  Likewise.
508
509 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
510
511         PR tree-optimization/23410
512         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
513         sequence is not wrapping during the first step.
514
515 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
516
517         PR debug/7241
518         * dwarf2out.c (base_type_die): Compare char_type_node with
519         TYPE_MAIN_VARIANT (type), not type.
520
521 2005-09-01  Richard Guenther  <rguenther@suse.de>
522
523         PR tree-optimization/15366
524         * common.opt: Add -finline-functions-called-once.
525         Put -fearly-inlining in alphabetically ordered place.
526         * doc/invoke.texi: Document new option.
527         * ipa-inline.c (cgraph_decide_inlining): Honour
528         flag_inline_functions_called_once.
529
530 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
531
532         PR rtl-optimization/23478
533         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
534         (alloc_qty): Initialize it.
535         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
536         (combine_regs): Combine also n_throwing_calls_crossed fields.
537         (find_free_reg): Don't attempt to caller-save pseudos crossing
538         calls that might throw.
539         * global.c (struct allocno): Add throwing_calls_crossed field.
540         (global_alloc): Revert 2005-08-22 change.  Initialize
541         throwing_calls_crossed.
542         (find_reg): Don't attempt to caller-save pseudos crossing calls that
543         might throw.
544
545 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
546
547         PR target/23649
548         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
549         (mask64_operand): Reinstate code prior to 2005-06-11 change.
550         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
551         (and64_2_operand): Tweak to use predicate.
552         (and_operand): Adjust for mask_operand changes.
553         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
554         (print_operand): Likewise.
555         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
556         (mask64_1or2_operand): Delete.
557         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
558         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
559         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
560         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
561         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
562         (rotldi3_internal4): Likewise.
563         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
564         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
565         (ashldi3_internal7): Likewise.
566         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
567         (ashldi3_internal, ashldi3_internal9 split): Likewise.
568         (anddi3 split): Don't match mask64_operand.
569         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
570         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
571         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
572         't' splitter predicate.
573         (movdi_internal64 + 2): Revert 2005-06-11 change.
574
575 2005-08-31  DJ Delorie  <dj@redhat.com>
576
577         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
578         (m32c_asm_integer): Add support for 32 bit pointers.
579
580 2005-08-31  Richard Henderson  <rth@redhat.com>
581
582         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
583         component-like references for setting MEM_NOTRAP_P.
584
585         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
586         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
587
588 2005-08-31  Richard Henderson  <rth@redhat.com>
589
590         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
591         into a pseudo before applying gen_lowpart.
592
593 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
594
595         * doc/install.texi (Specific): Update cctools version required
596         for full functionality.
597         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
598         linkers as -macosx_version_min.
599
600 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
601
602         PR target/21255
603         * sh.c (print_operand, %R and %S): Add handling of floating point
604         registers, memory, constants and invalid operands.
605
606 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
607
608         * ipa-pure-const.c: Change dump name.
609
610 2005-08-31 Uros Bizjak <uros@kss-loka.si>
611
612         PR target/23570
613         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
614         to "reg_or_0_operand".
615         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
616
617 2005-08-31  Dale Johannesen  <dalej@apple.com>
618
619         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
620         loops that count down.
621
622 2005-08-31  Richard Henderson  <rth@redhat.com>
623
624         PR rtl-opt/23601
625         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
626         (fixup_eh_region_note): New.
627         (reload_as_needed): Call it.
628         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
629         don't call find_many_sub_basic_blocks; call verify_flow_info.
630         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
631         (keep_stack_depressed): Likewise.
632         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
633
634 2005-08-31  Richard Henderson  <rth@redhat.com>
635
636         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
637         fp return matching.
638
639 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
640
641         * expr.c (expand_expr_real_1): Compare size of address 
642         mode to target's address mode size in deciding expansion of 
643         the constant address.
644
645 2005-08-31  Richard Guenther  <rguenther@suse.de>
646
647         PR middle-end/23477
648         * expr.c (all_zeros_p): New function.
649         (expand_expr_real_1): Handle the case of an all-zero
650         non-addressable constructor separately.
651
652 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
653
654         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
655         arguments, adjust all callers.
656         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
657
658 2005-08-30  Richard Henderson  <rth@redhat.com>
659
660         PR target/23630
661         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
662         whenever the mode sizes match.
663
664 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
665
666         * calls.c (load_register_parameters): Fix comment typo.
667         * expr.c (emit_push_insn): Comment formatting.
668
669 2005-08-30  Ian Lance Taylor  <ian@airs.com>
670
671         * config/i386/x-cygwin (host-cygwin): Change dependency from
672         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
673
674 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
675
676         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
677         parts of 'vals'.
678
679 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
680
681         PR middle-end/23408
682         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
683         call to ggc_collect.
684
685 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
686
687         PR bootstrap/21268
688         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
689         beginning.  Remove $(INCLUDES) from all the rules, if following
690         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
691
692 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
693
694         PR middle-end/23484
695         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
696         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
697         not constant, but maxlen is, don't set len to maxlen, rather
698         set maxlen to len if len is a constant.
699
700 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
701
702         PR tree-optimization/23475
703         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
704         and counts.
705
706 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
707
708         Fix PR middle-end/22455
709
710         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
711         Checksum only the parts of the tree that exist for the tree code.
712
713 2005-08-28  Dale Johannesen  <dalej@apple.com>
714
715         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
716
717 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
718
719         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
720
721 2005-08-28  Richard Henderson  <rth@redhat.com>
722
723         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
724         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
725         of char_type_node.
726
727 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
728
729         PR ada/23593
730         * builtins.c (get_memory_rtx): Don't strip nops
731         in between COMPONENT_REFs.
732
733 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
734
735         PR middle-end/23463
736         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
737         types.
738         (gimplify_modify_expr): Check for zero sized types and gimplify the
739         rhs and lhs as statements.
740
741 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
742
743         PR libgcj/23508
744         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
745         state for return address column of signal frames.
746
747 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
748
749         PR target/23539
750         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
751         bytes >= 2 not bytes == 2.
752         (expand_block_move): Same.
753
754 2005-08-27  Richard Guenther  <rguenther@suse.de>
755
756         PR target/23575
757         * config/i386/sse.md (sse2_movsd): Add missing closing
758         braces.
759
760 2005-08-27  Paul Brook  <paul@codesourcery.com>
761
762         * genrecog.c (enum decision_type): Add DT_num_insns.
763         (struct decision_test): Add u.num_insns.
764         (add_to_sequence): Add DT_num_insns test.
765         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
766         (write_cond, debug_decision_2): Ditto.
767         (change_state): Assume peep2_next_insn never fails.
768         Remove "afterward" argument.
769         (write afterward, write_tree): Update to match.
770         * recog.c (peep2_current_count): New variable.
771         (peep2_next_insn): Check it.
772         (peephole2_optimize): Set peep2_current_count.
773         * recog.h (peep2_current_count): Declare.
774
775 2005-08-26  Josh Conner  <jconner@apple.com>
776
777         PR middle-end/23584
778         * ipa-pure-const.c (check_tree): Check for volatile-ness
779         when considering a dereference.
780
781 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
782
783         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
784
785 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
786
787         PR rtl-optimization/23561
788         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
789         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
790         at most LEN bytes long memory fits into the field.
791         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
792         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
793         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
794
795 2005-08-26  Richard Henderson  <rth@redhat.com>
796
797         PR rtl-opt/23560
798         * loop.c (biased_biv_may_wrap_p): New.
799         (maybe_eliminate_biv_1): Use it to suppress non-equality
800         comparison transformations.  Delete disabled code.
801
802 2005-08-26  Ian Lance Taylor  <ian@airs.com>
803
804         * combine.c (make_extraction): Avoid reference outside object.
805
806 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
807
808         * stor-layout.c (finalize_type_size): Restore behaviour for
809         non-aggregate types to the status quo ante of the patch for
810         pr 23467.  Document why it matters.
811
812 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
813
814         PR c/23506
815         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
816         array by one element, initialize the BT_LAST element with NULL.
817
818 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
819
820         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
821         optimizing for size.
822         (plus_eqsi): Same.
823         (compare_plus_eqsi): Same.
824         (plus_eqsi_compare): Same.
825         (neg_eq0<mode>): Same.
826         (neg_eq<mode>): Same.
827
828         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
829         PROCESSOR_POWER4.
830
831 2005-08-26  Nick Clifton  <nickc@redhat.com>
832
833         * config/v850/v850.c (ep_memory_operand): Return FALSE if
834         TARGET_EP is not defined.
835         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
836         TARGET_EP is enabled.
837         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
838         * config/v850/v850.md (save_all_interrupt): Only use the EP
839         register if TARGET_EP is defined.
840         (restore_all_interrupt): Likewise.
841         * config/v850/lib1funcs.asm: Update functions so that the EP
842         register is only used if __EP__ is defined.
843
844 2005-08-26  David Ung  <davidu@mips.com>
845
846         * config/mips/mips.c (mips_expand_prologue): Handle case when
847         generating for MIPS16 and the outgoing argument area is more than
848         SMALL_OPERAND. Use the frame pointer as temporary to generate the
849         add instruction.
850
851 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
852
853         * config/crx/crx.md: Make doloop_end pattern usage controllable
854         via mloop-nesting=<max-nesting> command line switch. Make sure
855         the combiner cannot use doloop_end_<mode> in an illegal way.
856         * config/crx/crx.c: Use regs up to r6 for argument passing.
857         Refine crx_address_cost (non cst4 displacements are expensive).
858         * config/crx/crx.opt: Add switch for mloop-nesting=.
859
860 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
861
862         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
863         (UNSPEC_MVST): New constant.
864
865 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
866
867         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
868         Reject operands containing eliminable registers.
869         * testsuite/gcc.dg/20050825-1.c: New testcase.
870
871 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
872             Jan Hubicka  <jh@suse.cz>
873
874         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
875
876 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
877
878         PR tree-optimization/23546
879         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
880         and REAL_CST nodes.
881
882 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
883
884         * params.def (PARAM_MIN_SPEC_PROB): New.
885         * sched-rgn.c (MIN_PROBABILITY): Delete.
886         (compute_trg_info): Convert to PARAM_VALUE.
887         * doc/invoke.texi (param): Document min-spec-prob.
888
889 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
890
891         * config/darwin.h: define __PIC__
892         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
893         TARGET_OS_CPP_BUILTINS macro.
894
895 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
896
897         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
898         yesterday.
899
900 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
901
902         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
903         to duplicate_block.
904         * cfghooks.c (duplicate_block): Added position where to place
905         new block as argument.
906         * cfghooks.h (duplicate_block): Declaration changed.
907         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
908         duplicate_block.
909         * cfglayout.h (copy_bbs): Declaration changed.
910         * cfgloop.h (loop_version): Declaration changed.
911         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
912         position to copy_bbs.
913         (loop_version): Pass position to duplicate_loop_to_header_edge.
914         Add place_after argument and position new blocks according to
915         it.
916         * modulo-sched.c (sms_schedule): Pass place_after argument
917         to loop_version.
918         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
919         * tree-cfg.c (split_edge_bb_loc): New function.
920         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
921         to determine position of new blocks.
922         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
923         to loop_version.
924         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
925         argument to duplicate_block.
926         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
927         Pass position to copy_bbs.
928
929 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
930
931         * fold-const.c (ptr_difference_const): Use
932         cst_and_fits_in_hwi instead of host_integerp.
933
934 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
935
936         * config/darwin.c (gen_pic_offset): New.
937         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
938         Use it.
939
940 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
941
942         PR tree-optimization/23486
943         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
944
945 2005-08-23  Phil Edwards  <phil@codesourcery.com>
946
947         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
948         remove use_collect2.
949         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
950
951         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
952         configuration files to override the default value.
953
954         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
955         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
956         * config/vx-common.h:  New file, split out from...
957         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
958         * config/vxworksae.h:  New file, for VxWorks AE.
959         * config/vxworks.opt:  New file.
960         * config/vxlib.c:  Update for VxWorks 6.
961
962         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
963         other MULTILIB_* variables appropriately.
964         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
965         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
966         * config/rs6000/vxworks.h:  Update for VxWorks 6.
967         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
968
969 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
970
971         PR target/20799
972         * config/darwin.c (machopic_select_section): Remove the hack to
973         mark "::operator new" and "::operator delete" for coalescing
974         even though they are not weak.
975
976 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
977
978         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
979         * configure: Regenerate.
980
981 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
982
983         PR middle-end/23517
984         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
985         between vectors.
986         * convert.c (convert_to_integer, convert_to_vector): Likewise.
987         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
988         Likewise.
989
990 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
991
992         * config/rs6000/predicates.md (equality_operator): New.
993         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
994         comparison with a large constant.
995
996 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
997
998         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
999
1000 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
1001
1002         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
1003         registers is even, and we have a hardware double precision fp,
1004         align the buffer.
1005         (sh_gimplify_va_arg_expr): For floating point arguments, consider
1006         size of current argument when checking if argument was passed in
1007         registers.
1008
1009         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
1010
1011         PR middle-end/23467
1012         * stor-layout.c (finalize_type_size): Dont override
1013         existing alignment with a smaller alignment from the mode.
1014
1015 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
1016
1017         * lambda-code.c (lambda_vector_lexico_pos): Moved...
1018         * lambda.h (lambda_vector_lexico_pos): ... here.
1019         * tree-data-ref.c (build_classic_dist_vector): Return false when
1020         the distance vector is lexicographically negative.
1021
1022 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
1023
1024         PR tree-optimization/23511
1025         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't 
1026         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
1027
1028 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
1029
1030         PR tree-optimization/22043
1031         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
1032         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
1033         If ALLOW_FLEXARR, handle types ending with flexible array member.
1034         Pass false as second argument to recursive count_type_elements calls.
1035         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
1036         argument to count_type_elements call.
1037         * tree-sra.c (decide_block_copy): Likewise.
1038         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
1039         for a constant-sized object, set cleared as well.  Pass true as
1040         second argument to count_type_elements call.
1041
1042 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
1043
1044         PR target/21571
1045         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
1046         from legitimate_small_data_p, and make global.  Update use.
1047         Remove forward declaration.
1048         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
1049         Declare.
1050         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
1051
1052 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
1053
1054         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
1055         of scratch intermediates.
1056         (eq<mode>_compare): Same.
1057         (neg_eq0<mode>): New.
1058         (neg_eq<mode>): Convert to define_insn_and_split.
1059
1060 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
1061
1062         PR target/23070
1063         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
1064         stdarg functions, set/clear the fp marker even when no variable
1065         args are passed.
1066         * config/rs6000/sysv4.opt (mprototype): Describe.
1067
1068 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
1069
1070         PR rtl-optimization/23478
1071         * regs.h (reg_info): Add throw_calls_crossed.
1072         (REG_N_THROWING_CALLS_CROSSED): Define.
1073         * flow.c (allocate_reg_life_data): Initialize
1074         REG_N_THROWING_CALLS_CROSSED.
1075         (propagate_one_insn, attempt_auto_inc): Update
1076         REG_N_THROWING_CALLS_CROSSED.
1077         * global.c (global_alloc): Don't allocate pseudos across
1078         calls that may throw.
1079
1080 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
1081
1082         PR c/18715
1083         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
1084         value is inbetween the range if we did not find an exact match.
1085
1086 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
1087
1088         * doc/invoke.texi (Option Summary): Add ms1 options.
1089         * doc/extend.texi: Document interrupt handler attribute for ms1.
1090         * doc/md.texi: Document ms1 constraints.
1091         * config.gcc: Add ms1-*-elf.
1092         * config/ms1/ms1.h: New.
1093         * config/ms1/ms1.c: New.
1094         * config/ms1/ms1.md: New.
1095         * config/ms1/ms1-protos.h: New.
1096         * config/ms1/ABI.txt: New.
1097         * config/ms1/crti.asm: New.
1098         * config/ms1/crtn.asm: New.
1099         * config/ms1/lib2extra-funcs.c: New.
1100         * config/ms1/t-ms1: New.
1101         * config/ms1/ms1.opt: New.
1102
1103 2005-08-22 Ira Rosen <irar@il.ibm.com>
1104
1105         * config/rs6000/altivec.md (xorv4sf3): New.
1106         (negv4sf2, neg<mode>2): Likewise.
1107
1108 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
1109
1110         PR target/23485
1111         * config/ia64/ia64.md (divsi3): Check divide by zero.
1112         (udivsi3): Likewise.
1113         (divdi3): Likewise.
1114         (udivdi3): Likewise.
1115
1116 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
1117
1118         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
1119         up to elem_bitsize bits, not max_bitsize.
1120
1121 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
1122
1123         PR tree-optimization/23433
1124         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
1125         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
1126
1127 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
1128
1129         PR tree-optimization/23434
1130         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
1131         the iteration bound is not an INTEGER_CST.
1132
1133 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
1134
1135         * tree-vect-transform.c (get_initial_def_for_reduction): Set
1136         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
1137         NULL if need_epilog_adjust is false.
1138         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
1139         Case 3 always peels first itration, not just for PLUS case, and no need
1140         to use scalar_initial_def here. Create an epilog adjustment only if
1141         scalar_initial_def is not NULL.
1142
1143         (vectorizable_reduction): Remove assert. 
1144
1145 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
1146
1147         PR target/23485
1148         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
1149         (__moddi3): Likewise.
1150         (__udivdi3): Likewise.
1151         (__umoddi3): Likewise.
1152         (__divsi3): Likewise.
1153         (__modsi3): Likewise.
1154         (__udivsi3): Likewise.
1155         (__umodsi3): Likewise.
1156
1157 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
1158
1159         * tree-pass.h (TDF_GRAPH): Define.
1160         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
1161         * passes.c (finish_optimization_passes): Only call
1162         finish_graph_dump_file if TDF_GRAPH is set.
1163         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
1164         NULL.  Set TDF_GRAPH bit.
1165         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
1166
1167 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
1168
1169         * arm.h (arm_stack_offsets): Add locals_base field.
1170         * arm.c (arm_get_frame_offsets): Compute it.
1171         (thumb_compute_initial_elimination offset): Make the Thumb frame
1172         pointer point to the base of the local variables.
1173         (thumb_expand_prologue): Update accordingly.
1174         (thumb_expand_epilogue): Likewise.
1175
1176         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
1177         mode of clobbered scratch to DImode.  Handle a case that's known to
1178         need this.
1179
1180 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
1181
1182         * config/rs6000/rs6000.md (gt0<mode>): Delete.
1183         (gt0<mode>_compare): Delete.
1184         (neg_gt0<mode>): Delete.
1185
1186 2005-08-19  Eric Christopher  <echristo@apple.com>
1187
1188         * optabs.h: Change CTI_ to COI_.
1189         * optabs.c: Ditto.
1190
1191 2005-08-19  James E Wilson  <wilson@specifix.com>
1192
1193         * builtins.c (expand_builtin_return_addr): Set
1194         current_function_accesses_prior_frames when count != 0.  Use
1195         frame_pointer_rtx when count == 0.
1196         * function.h (struct function): Add accesses_prior_frames field.
1197         (current_function_accesses_prior_frames): Define.
1198         * reload1.c (init_elim_table): Check
1199         current_function_accesses_prior_frames.
1200         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
1201
1202 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1203
1204         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
1205         indicator.  Return true if the flowgraph changed during
1206         cleanup.
1207
1208 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1209
1210         PR 23476
1211         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
1212         conditional expression before testing its value.
1213
1214 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1215
1216         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
1217
1218 2005-08-19  Devang Patel  <dpatel@apple.com>
1219
1220         PR tree-optimization/23048
1221         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
1222         third parameter. Check whether latch is dominated by exit
1223         block or not.
1224         (if_convertible_loop_p): Supply exit block itself to
1225         if_convertible_bb_p.
1226
1227 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
1228
1229         PR target/23473
1230         * arm.md (arm_load_pic_register): Change argument to the mask of
1231         saved registers.  Call thumb_find_work_register if we need a
1232         scratch register on Thumb.
1233         (arm_expand_prologue): Pass empty register set to
1234         arm_load_pic_register.
1235         (thumb_expand_prologue): Pass live_regs_mask directly to
1236         arm_load_pic_register.
1237         * arm-protos.h (arm_load_pic_register): Update prototype.
1238
1239 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
1240
1241         * sh.c (find_sole_member): New function.
1242         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
1243         if the record's alignment is larger than the size of its only member.
1244
1245 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
1246
1247         PR target/23436
1248         * arm.c (thumb_legitimize_reload_address): New function.
1249         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
1250         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
1251
1252 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
1253
1254         * config/crx/crx.c: Implement crx_decompose_address. Reject
1255         symbolic displacements since CRX register relative adressing
1256         mode can't handle unsigned 32-bit values as displacements.
1257         * config/crx/crx.h: Simplify definitions, remove redundant
1258         parenthesis and obsolete macros.
1259         * config/crx/crx.opt: Add new switch for debugging addresses.
1260         * config/crx/crx-protos.h: Add new declarations for above.
1261
1262 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
1263
1264         PR middle-end/20624
1265         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
1266         looking past it.
1267
1268 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1269
1270         * collect2.c (dup2): Delete.
1271         * configure.ac: Don't check for dup2.
1272
1273         * config.in, configure: Regenerate.
1274
1275 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
1276
1277         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
1278         record with the type of its only member.
1279
1280 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
1281
1282         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
1283         define_insn_and_split.
1284         (plus_ltu<mode>_compare): Same.
1285         (gtu<mode>_compare): Same.
1286         (plus_gtu<mode>_compare): Same.
1287
1288 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
1289
1290         PR tree-optimization/22228
1291         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
1292         todo_flags_start.
1293         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
1294         are recorded in vect_vnames_to_rename for renaming.
1295         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
1296         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
1297         in vect_vnames_to_rename.
1298         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
1299         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
1300
1301 2005-08-18  Jan Hubicka  <jh@suse.cz>
1302
1303         PR c++/22034
1304         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
1305         info only for local statics, not for member variables.
1306
1307 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1308
1309         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
1310
1311 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1312
1313         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
1314
1315 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
1316
1317         PR middle-end/16045
1318         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
1319
1320 2005-08-17  James E Wilson  <wilson@specifix.com>
1321
1322         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1323         array size check.
1324
1325 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
1326
1327         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
1328         (leu<mode>_compare): Same.
1329         (plus_leu<mode>): Same.
1330         (neg_leu<mode>): Same.
1331         (and_neg_leu<mode): Same.
1332         (ltu<mode>_compare): Same.
1333         (plus_ltu<mode>): Same.
1334         (geu<mode>): Same.
1335         (geu<mode>_compare): Same.
1336         (plus_geu<mode>): Same.
1337         (neg_geu<mode>): Same.
1338         (and_neg_geu<mode>): Same.
1339         (plus_gt<mode>): Same.
1340         (gtu<mode>_compare): Same.
1341         (plus_gtu<mode>): Same.
1342
1343 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
1344
1345         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
1346         Move call_table_data to end.  Delete spurious .text.
1347         (callt_save_all_interrupt): Fix comment typo.
1348
1349 2005-08-17  James E Wilson  <wilson@specifix.com>
1350             Kevin Winchester  <winchester@amirix.com>
1351
1352         PR target/21684
1353         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
1354
1355 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
1356
1357         PR target/23268
1358         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
1359         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
1360
1361 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
1362
1363         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
1364         record with the type of its only member if the modes don't match.
1365
1366         * varasm.c (decode_reg_name): Skip empty additional register names.
1367
1368 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
1369
1370         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
1371         lsm_tmp_name_length): New.
1372         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
1373         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
1374
1375 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1376             Andreas Krebbel  <krebbel1@de.ibm.com>
1377
1378         * config.gcc: Added z9-109 switch.
1379         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
1380         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
1381         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
1382         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
1383         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
1384         for "z9_109" cpu attribute.
1385         * config/s390/s390.c (z9_109_cost): New processor cost structure.
1386         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
1387         (s390_handle_arch_option): Added z9-109 switch.
1388         (override_options): Set respective cost function for z9-109.
1389         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
1390         (legitimate_reload_constant_p): Accept extended immediates.
1391         (print_operand): Three new output modifiers added: k, m and o.
1392         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
1393         (s390_output_mi_thunk): Use extended immediate when possible.
1394         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
1395         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
1396         (CONSTRAINT_LEN): Added length of O constraint.
1397         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
1398         * config/s390/s390.md ("cpu"): New value z9_109 added.
1399         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
1400         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
1401         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
1402         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
1403         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
1404         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
1405         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
1406         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
1407         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
1408         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1409         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
1410         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
1411         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
1412         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
1413         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
1414         immediates.
1415         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
1416         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
1417         insns for TARGET_EXTIMM.
1418
1419 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1420
1421         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
1422
1423 2005-08-17  Nick Clifton  <nickc@redhat.com>
1424
1425         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
1426         Call default_encode_section_info.
1427
1428 2005-08-17  Steven Bosscher  <stevenb@suse.de>
1429
1430         PR tree-optimization/21574
1431         * tree-ssa-ccp.c (likely_value): If the right hand side is a
1432         constant, return CONSTANT.
1433         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
1434         (ccp_fold, visit_assignment): Likewise.
1435         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
1436
1437 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
1438
1439         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
1440         fold_buildN instead of buildN then fold_initializer or fold.
1441         (build_unary_op): Likewise.
1442         (build_binary_op): Likewise.
1443         * fold-const.c (fold_initializer): Remove.
1444         (fold_build1_initializer): New function.
1445         (fold_build2_initializer): New function.
1446         (fold_build3_initializer): New function.
1447         * tree.h (fold_initializer): Remove.
1448         (fold_build1_initializer): New function.
1449         (fold_build2_initializer): New function.
1450         (fold_build3_initializer): New function.
1451
1452 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
1453
1454         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
1455         (try_move_mult_to_index): Call fold_build2 instead of build2.
1456         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
1457         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
1458         fold_binary_to_constant.
1459         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
1460         fold (build.
1461         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
1462         check if A == gcd (A, B).  Remove TYPE argument.
1463         (analyze_offset) Use fold_build2 instead of fold (build.
1464         (create_data_ref): Likewise.
1465         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
1466         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
1467         then fold.
1468
1469 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
1470
1471         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
1472         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
1473
1474 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
1475
1476         PR tree-opt/23402
1477         * gimplify.c (zero_sized_type): New function.
1478         (gimplify_modify_expr_rhs): If we have a zero sized type,
1479         replace the statement with an empty statement.
1480
1481 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
1482
1483         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
1484         fxsave.
1485
1486 2005-08-16  Ian Lance Taylor  <ian@airs.com>
1487
1488         * doc/tm.texi (Label Output): Correct typo.
1489
1490 2005-08-16  Steven Bosscher  <stevenb@suse.de>
1491
1492         PR target/23376
1493         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
1494         force_operand will work later on using have_insn_for.
1495
1496 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1497
1498         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
1499
1500 2005-08-16  Ian Lance Taylor  <ian@airs.com>
1501
1502         PR c++/23337
1503         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
1504         vector type, don't try to construct it element by element.  Add an
1505         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
1506
1507 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1508
1509         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
1510
1511 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
1512
1513         * doc/invoke.texi (Precompiled Headers): Document some more options
1514         which are known to be safe.
1515
1516 2005-08-16  James E Wilson  <wilson@specifix.com>
1517
1518         PR tree-optimization/21105
1519         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1520         TREE_OVERFLOW check.
1521
1522 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
1523
1524         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
1525         (neg_ltu<mode>): Same.
1526         (gtu<mode>): Same.
1527         (neg_gtu<mode>): Same.
1528
1529 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1530
1531         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
1532         (fold_builtin_isdigit): Use fold_buildN.
1533         (build_function_call_expr): Likewise.
1534         * c-typeck.c (c_finish_loop): Likewise.
1535
1536 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
1537             Richard Shann <rshann@superh.com>
1538
1539         PR middle-end/20396:
1540         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
1541
1542 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
1543
1544         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
1545
1546 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
1547
1548         PR target/23355
1549         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
1550         arm_compure_save_reg0_reg12_mask to determine when the PIC register
1551         must be saved.
1552
1553 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1554
1555         PR middle-end/23369
1556         * fold-const.c (build_range_check): Disable optimization for function
1557         pointer expressions on targets that require function pointer
1558         canonicalization.
1559
1560 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
1561
1562         * simplify-rtx.c (simplify_const_relational_operation): When
1563         extracting arguments of a COMPARE, recompute the mode as well.
1564
1565 2005-08-15  Ian Lance Taylor  <ian@airs.com>
1566
1567         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
1568
1569 2005-08-15  DJ Delorie  <dj@redhat.com>
1570
1571         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
1572         the stack.
1573         (movsi_splittable): Allow, but split, moves to the stack.
1574         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
1575         stack.
1576
1577 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1578
1579         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
1580         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
1581         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
1582
1583         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
1584         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
1585         Delete HOST_PTR_PRINTF.
1586
1587         * configure, config.in: Regenerate.
1588
1589 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
1590
1591         * config/rs6000/rs6000.md (QHSI): New mode macro.
1592         (wd): Extend mode attr for QImode and HImode
1593         (dbits): New mode attr.
1594         (zero_extend<mode>di2): Convert to mode macro.
1595
1596 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
1597
1598         PR target/21841
1599         * doc/invoke.texi (-mgnu-ld): Update description.
1600         (-mhp-ld): Ditto.
1601
1602 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
1603
1604         PR 23391
1605         * Makefile.in (tree-chrec.o): Depends on real.h.
1606         * tree-chrec.c: Include real.h.
1607         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
1608         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
1609         * tree-scalar-evolution.c (add_to_evolution_1,
1610         interpret_rhs_modify_expr): Ditto.
1611
1612 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
1613
1614         PR 23386
1615         * tree-data-ref.c (estimate_niter_from_size_of_data): When
1616         step is negative compute the estimation from init downwards to zero.
1617
1618 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
1619
1620         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
1621
1622 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
1623
1624         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
1625         constraint.
1626         (legitimate_reload_constant_p): Fix handling of lliXX operands.
1627         Accept double-word constants that can be split.
1628         * config/s390/s390.md ("movti"): Use 'P' constraint.
1629         ("*movdi_31", "*movdf_31"): Likewise.
1630
1631 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
1632
1633         Fix PR tree-optimization/22615
1634
1635         * tree-ssa-structalias.c (solution_set_add): Handle
1636         first_vi_for_offset returning NULL.
1637         (do_da_constraint): Ditto.
1638         (do_sd_constraint): Ditto.
1639         (do_ds_constraint): Ditto
1640         (find_func_aliases): Ditto.
1641         (build_constraint_graph): RHS is allowed be ANYTHING.
1642         (first_vi_for_offset): Return NULL if we couldn't find anything at
1643         the offset.
1644
1645 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
1646
1647         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
1648         over memory as first operand.
1649
1650 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
1651
1652         PR target/23360
1653         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
1654         available for setting it.
1655
1656 2005-08-14  Ira Rosen  <irar@il.ibm.com>
1657
1658         PR tree-optimization/23320
1659         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
1660         data-refs' types instead of base object nullness. Add check for
1661         pointer type data-refs before first location comparison. Remove
1662         assert.
1663
1664 2005-08-14  Andreas Schwab  <schwab@suse.de>
1665
1666         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
1667
1668 2005-08-13  James E Wilson  <wilson@specifix.com>
1669
1670         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
1671         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
1672         -fstack-protector-all, --param ssp-buffer-size): Document.
1673         (-Wvariadic-macros): Alphabetize.
1674         (-fsched-stalled-insns-dep): Add missing 'f'.
1675
1676         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
1677         macros.
1678
1679 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
1680
1681         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
1682         or indirect address operand.
1683         (EXTRA_ADDRESS_CONSTRAINT): New.
1684         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
1685
1686 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
1687
1688         PR tree-optimization/22236
1689         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
1690         successors and predecessors.
1691         * tree-chrec.c (chrec_convert): Before converting, check that
1692         sequences don't wrap.
1693         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
1694         (analyze_array): Extern.
1695         (find_data_references_in_loop): Remove call to
1696         compute_estimated_nb_iterations.
1697         * tree-data-ref.h (analyze_array): Declared.
1698         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
1699         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
1700         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
1701         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
1702         condition.
1703         * tree-ssa-loop-ivcanon.c: Fix documentation.
1704         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
1705         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
1706         (infer_loop_bounds_from_undefined): New.
1707         (estimate_numbers_of_iterations_loop): Use
1708         infer_loop_bounds_from_undefined.
1709         (used_in_pointer_arithmetic_p): New.
1710         (scev_probably_wraps_p): Pass an extra parameter.  Call
1711         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
1712         (convert_step): Fix documentation.
1713         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
1714         Use initial_condition_in_loop_num and evolution_part_in_loop_num
1715         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
1716         scev_probably_wraps_p.
1717
1718 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
1719
1720         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
1721         (s390_register_info): Ignore clobbered_regs information for fixed
1722         registers, and only fixed registers.
1723         (s390_init_frame_layout): Remove redundant call.
1724
1725 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
1726
1727         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
1728         description of -Wold-style-casts.
1729
1730 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1731             Jakub Jelinek  <jakub@redhat.com>
1732
1733         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
1734         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
1735         * config/s390/s390.c (print_operand): New output modifier 'G' added.
1736         (get_thread_pointer): Renamed to s390_get_thread_pointer.
1737         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
1738         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
1739         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
1740         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
1741         ("stack_protect_set", "stack_protect_test"): New expanders.
1742         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
1743         "stack_protect_testdi"): New insn definitions.
1744
1745 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1746
1747         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
1748
1749 2005-08-12  Paul Brook  <paul@codesourcery.com>
1750
1751         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
1752
1753 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1754
1755         * config/s390/predicates.md (setmem_operand): New predicate.
1756         (shift_count_operand): Accept ANDs with special constants as
1757         operand.
1758         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
1759         with special constants.
1760         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
1761         shift_count_operand with setmem_operand.
1762
1763 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1764
1765         * config/s390/s390.c (s390_extract_part, s390_single_part):
1766         Type cast added.
1767         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
1768         (s390_output_mi_thunk): Don't use lg on 31 bit.
1769         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
1770         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
1771
1772 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1773
1774         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
1775         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
1776         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
1777         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
1778         with one of the new macros.
1779
1780 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1781
1782         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
1783         Don't set save_return_addr_p.
1784         (s390_register_info): Make clobbered_regs not depending on
1785         save_return_addr_p.
1786
1787 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1788
1789         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
1790         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
1791
1792 2005-08-11  James E. Wilson  <wilson@specifix.com>
1793
1794         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
1795
1796 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
1797
1798         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
1799         locations gathered by var-tracking in single entry loc_list
1800         over loc_descriptor_from_tree.
1801
1802         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
1803         pass it down to loc_descriptor.
1804         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
1805         (containing_function_has_frame_base): Move earlier in the file.
1806         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
1807         instead of always assuming fbreg can't be used.
1808
1809 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
1810
1811         * config/rs6000/altivec.md: Change constraint "m" to "Z".
1812         * config/rs6000/predicates.md (indexed_or_indirect_operand):
1813         Accept address wrapped in AND for Altivec.
1814         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
1815         Strip AND wrapping offset address for Altivec.
1816
1817 2005-08-11  Richard Henderson  <rth@redhat.com>
1818
1819         PR middle-end/23312
1820         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
1821         before using TYPE_IS_SIZETYPE.
1822
1823 2005-08-11  Richard Henderson  <rth@redhat.com>
1824
1825         PR target/22225
1826         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
1827         insn types not present on ev4.
1828         (alphaev5_insn_pipe): Similarly.
1829
1830 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
1831
1832         PR target/23250
1833         * arm.c (arm_override_options): If the user has selected callee-super-
1834         interworking, then enable normal interworking.
1835
1836 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1837
1838         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
1839         redefinition.
1840
1841 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
1842
1843         * doc/rtl.texi: Fix two typos.
1844
1845 2005-08-11  Richard Guenther  <rguenther@suse.de>
1846
1847         PR target/23289
1848         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
1849         cases where we call to/from functions returning void.
1850
1851 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
1852
1853         PR c++/23225
1854         * tree.c (build_pointer_type_for_mode): Robustify.
1855
1856 2005-08-10  James E Wilson  <wilson@specifix.com>
1857
1858         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
1859         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
1860
1861         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
1862         "cum->".
1863
1864 2005-08-10  Eric Christopher  <echristo@apple.com>
1865
1866         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
1867         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
1868         V2DFmode.
1869
1870 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
1871
1872         PR target/21887
1873         * config/darwin.c (machopic_indirect_data_reference): Use a new register
1874         for the high part when generating dynamic-no-pic code.
1875
1876 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
1877
1878         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
1879         (x86_64-*-linux*): Likewise.
1880
1881         * config/i386/crtfastmath.c: New file.
1882         * config/i386/t-crtfm: Likewise.
1883
1884         * config/i386/linux.h (ENDFILE_SPEC): New.
1885         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
1886
1887         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1888         crtfastmath.o.
1889
1890 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
1891
1892         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
1893         (vec_shl, vec_shr): Document new operations.
1894         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
1895
1896 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
1897
1898         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
1899         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
1900         change predicate to indexed_or_indirect_address.
1901
1902 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
1903
1904         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
1905         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
1906         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
1907         and __aeabi_uwrite8.
1908         * config/arm/unaligned-funcs.c: New file.
1909         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
1910
1911 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
1912
1913         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
1914         Add dump.
1915         * cfglayout.c (pass_insn_locators_initialize): Add dump.
1916         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
1917         Add dump.
1918         * except.c (pass_convert_to_eh_region_ranges): Add dump.
1919         * final.c (pass_shorten_branches): Add dump.
1920         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
1921         (pass_life): Rename dump.
1922         (rest_of_handle_flow2): Remove initial verify_flow_info.
1923         * function.c (pass_instantiate_virtual_regs): Add dump.
1924         * integrate.c (pass_initial_value_sets): Add dump.
1925         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
1926         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
1927         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
1928         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
1929         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
1930         gate_rtl_unrool_and_peel_loops): New.
1931         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
1932         rtl_doloop): Do not look at flags.
1933         * mode-switching.c (pass_mode_switching): Add dump.
1934         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
1935         pass_split_before_regstack): Add dump.
1936         * regmove.c (pass_stack_adjustments): Add dump.
1937         * tree-optimize.c (pass_fixup_cfg): Add dump.
1938
1939 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1940
1941         PR 23309
1942         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
1943         deciding which instruction sequence to use.
1944
1945 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
1946
1947         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
1948         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
1949
1950 2005-08-09  Richard Guenther  <rguenther@suse.de>
1951
1952         * c-common.c (builtin_function_2): Remove.
1953         (def_builtin_1): New function.
1954         (c_common_nodes_and_builtins): Use def_builtin_1 to
1955         build builtin functions.
1956
1957 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
1958
1959         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
1960         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
1961         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
1962         Visual DSP.
1963
1964 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
1965
1966         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
1967         fold_binary instead of fold_build2 since we don't care about the
1968         resulting tree.
1969         (loop_niter_by_eval): Likewise.
1970         (compare_trees): Likewise.
1971         (proved_non_wrapping_p): Likewise.
1972
1973 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
1974
1975         PR c/23161
1976         PR c/23165
1977         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
1978         if the if is really empty.
1979
1980 2005-08-09  Steven Bosscher  <stevenb@suse.de>
1981
1982         PR tree-optimization/23234
1983         * tree-ssa-math-opts.c (place_reciprocal): New enum.
1984         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
1985         argument of the new enum.
1986         (execute_cse_reciprocals): Add reciprocals for function arguments
1987         on the unique successor edge of the entry block.  Update other calls
1988         to execute_cse_reciprocals_1.
1989
1990 2005-08-08  Richard Henderson  <rth@redhat.com>
1991
1992         PR 22439
1993         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
1994
1995 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
1996
1997         * expr.c (write_complex_part): Return after handling MEM.
1998
1999 2005-08-08  Josh Conner  <jconner@apple.com>
2000
2001         PR rtl-optimization/23241
2002         * combine.c (simplify_comparison): Fix error in determining
2003         whether to lift a subreg from comparison.
2004
2005 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
2006
2007         PR target/18506
2008         * config/rs6000/altivec.md (vec_init<mode>): New.
2009         (vec_set<mode>): New.
2010         (vec_extract<mode>): New.
2011         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
2012         (rs6000_expand_vector_set): New.
2013         (rs6000_expand_vector_extract): New.
2014         (rs6000_legitimate_offset_address_p): Offset addresses are valid
2015         for Altivec modes before reload.
2016         (altivec_expand_vec_init_builtin): New.
2017         (get_element_number): New.
2018         (altivec_expand_vec_set_builtin): New.
2019         (altivec_expand_vec_ext_builtin): New.
2020         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
2021         builtins.
2022         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
2023         builtins.
2024         * config/rs6000/rs6000.h (rs6000_builtins): Add
2025         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
2026         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
2027         * config/rs6000/rs6000-protos.h: Declare new functions.
2028
2029 2005-08-08  Jan Hubicka  <jh@suse.cz>
2030
2031         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
2032         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
2033         * i386.md (movdi*): Use pic_32bit_operand.
2034         * predicates.md (pic_32bit_operand): New.
2035
2036 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
2037
2038         PR c++/21166
2039         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
2040
2041 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
2042
2043         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
2044         (test_for_singularity): Use fold_build2.
2045
2046 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2047
2048         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
2049
2050 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
2051
2052         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2053         (COMMON_ASM_OP) Define.
2054         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
2055         (ix86_encode_section_info): Likewise.
2056         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
2057         SUBTARGET_ENCODE_SECTION_INFO.
2058
2059 2005-08-06  Richard Henderson  <rth@redhat.com>
2060
2061         PR 21894
2062         * tree-nested.c (convert_local_reference): Save and restore val_only
2063         around component_ref and friends.  Clear walk_subtrees by default.
2064
2065 2005-08-06  Peter O'Gorman  <peter@pogma.com>
2066
2067         PR 21366
2068         * gcc.c (process_command): Check the argument to -b has a dash.
2069         * doc/invoke.texi: Update -b and -V docs.
2070
2071 2005-08-06  James E Wilson  <wilson@specifix.com>
2072
2073         * config/mips/cross64.h, config/mips/t-cross64: Delete.
2074
2075 2005-08-06  Michael Matz  <matz@suse.de>
2076
2077         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
2078         member only if only one insn is associated with the value.
2079
2080 2005-08-06  Nick Clifton  <nickc@redhat.com>
2081
2082         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
2083         New define.
2084         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
2085         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
2086         Check symbol flags instead of symbol name mangling.
2087         (xstormy16_asm_output_aligned_common): Likewise.  Also
2088         simplify code since the bss100_section cass is the only case
2089         where the below100 code will be triggered.
2090         (xstormy16_encode_section_info): Encode below100 attribute
2091         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
2092         the name.
2093         (xstormy16_strip_name_encoding): Delete - this function is no
2094         longer needed.
2095         (TARGET_STRIP_NAME_ENCODING): Undefine.
2096         * config/stormy16/stormy16-protos.h: Delete prototype for
2097         xstormy16_strip_name_encoding.
2098
2099 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
2100
2101         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
2102         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
2103         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
2104         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
2105         config/alpha/predicates.md, config/arc/arc.h,
2106         config/arm/arm.h, config/arm/ieee754-df.S,
2107         config/arm/ieee754-sf.S, config/bfin/bfin.c,
2108         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
2109         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
2110         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
2111         config/m68hc11/m68hc11.h, config/mips/mips.c,
2112         config/mips/mips.h, config/mips/openbsd.h,
2113         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
2114         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
2115         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2116         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2117         config/sparc/linux.h, config/sparc/linux64.h,
2118         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
2119         doc/extend.texi, doc/gcov.texi, doc/install.texi,
2120         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
2121         typos.  Follow spelling conventions.
2122
2123 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
2124
2125         PR c/23113
2126         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
2127         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
2128         specially.  Check for side effects only for COND_EXPR.
2129         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
2130         return with TREE_NO_WARNING.
2131
2132 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
2133
2134         PR rtl-optimization/23233
2135         * loop.c (combine_movables): Require the modes to be the same.
2136         (move_movables): Remove handling of cases where the replacement
2137         had a different mode to the original.
2138
2139 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
2140
2141         PR tree-optimization/23128
2142         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
2143         subtraction wrap, and set TREE_OVERFLOW if they do.
2144
2145 2005-08-05  Richard Henderson  <rth@redhat.com>
2146
2147         PR 21728
2148         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
2149         FORCED_LABEL labels.
2150
2151 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
2152
2153         PR middle-end/23135
2154         * reload.c (find_reloads_subreg_address): Pass down TYPE
2155         unchanged.  Change all callers except find_reloads_toplev.
2156
2157 2005-08-05  Michael Matz  <matz@suse.de>
2158
2159         * genattrtab.c (current_alternative_string): Remove.
2160         (SIMPLIFY_ALTERNATIVE): Ditto.
2161         (attr_alt_bit_p): Ditto.
2162         (alternative_name): Make const char *.
2163         (evaluate_eq_attr): Remove use of above things.
2164         (simplify_test_exp): Ditto.
2165         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
2166         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
2167
2168 2005-08-04  James E Wilson  <wilson@specifix.com>
2169
2170         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
2171         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
2172         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
2173         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
2174         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
2175
2176 2005-08-04  Richard Henderson  <rth@redhat.com>
2177
2178         PR 21529
2179         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
2180         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
2181         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
2182         if we'd have to instantiate too many members.
2183
2184 2005-08-04  Richard Henderson  <rth@redhat.com>
2185
2186         PR 21291
2187         * tree-outof-ssa.c (coalesce_asm_operands): New.
2188         (coalesce_ssa_name): Use it.  Split out ...
2189         (coalesce_phi_operands, coalesce_result_decls): ... these.
2190
2191 2005-08-04  Paul Brook  <paul@codesourcery.com>
2192
2193         * read-rtl.c (read_quoted_string): Break if EOF.
2194
2195 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
2196
2197         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
2198         (fold_build2): Likewise.
2199         (fold_build3): Likewise.
2200         (fold_build1_stat): New function prototype.
2201         (fold_build2_stat): Likewise.
2202         (fold_build3_stat): Likewise.
2203         * fold-const.c (fold_build1): Rename to ..
2204         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2205         through to build1_stat.
2206         (fold_build2): Rename to ..
2207         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2208         through to build2_stat.
2209         (fold_build3): Rename to ..
2210         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2211         through to build3_stat.
2212
2213 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
2214             Ian Lance Taylor  <ian@airs.com>
2215
2216         * function.c (assign_stack_local_1): Do not correct stack slot
2217         address if allocation size is smaller than mode size.
2218
2219 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
2220
2221         PR 22037
2222         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
2223         (tree_merge_blocks): Propagate anything allowed by
2224         may_propagate_copy.
2225         Clarify documentation.
2226         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
2227         SSA form, schedule an update if necessary.
2228
2229 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
2230
2231         * doc/install.texi (Binaries): Remove broken link to
2232         Sinix/Reliant Unix binaries.
2233
2234 2005-08-03  Richard Henderson  <rth@redhat.com>
2235
2236         PR 23221
2237         * function.c (stack_protect_epilogue): Export.
2238         * tree.h (stack_protect_epilogue): Declare.
2239         * calls.c (expand_call): Call it.
2240
2241 2005-08-03  Eric Christopher  <echristo@apple.com>
2242
2243         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
2244         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
2245         spec.
2246
2247 2005-08-04  Jan Hubicka  <jh@suse.cz>
2248
2249         * profile.c (branch_prob): Split edges with goto locus on them
2250         to get proper line counts.
2251         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
2252
2253 2005-08-03  Paul Brook  <paul@codesourcery.com>
2254
2255         * function.c (assign_parms): Round current_function_args_size
2256         to PARM_BOUNDARY, not STACK_BOUNDARY.
2257
2258 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
2259
2260         * config/i386/i386.c (x86_elf_aligned_common)
2261         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
2262
2263 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
2264
2265         PR tree-optimization/23157
2266         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
2267         before emitting them.
2268
2269 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2270
2271         PR tree-optimization/19899
2272         * Makefile.in (tree-scalar-evolution.o): Add real.h.
2273         * tree-scalar-evolution.c: Include real.h.
2274         (add_to_evolution): Build constant -1 of correct type.
2275
2276 2005-08-03  Jan Hubicka  <jh@suse.cz>
2277
2278         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
2279         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
2280         profile updating for complette unrolling.
2281         * loop-unroll.c (peel_loop_completely): Use it.
2282         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2283         (tree_unroll_loops_completely): Disable code growing unrolling of cold
2284         loops.
2285
2286 2005-08-03  Paul Brook  <paul@codesourcery.com>
2287
2288         * combine.c (can_change_dest_mode): New function.
2289         (try_combine, simplify_set): Use it.
2290
2291 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
2292
2293         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
2294         TFmode to BLKmode.
2295
2296 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
2297
2298         * doc/install.texi (Specific): Adjust link to openavr.org.
2299         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
2300         (Binaries): Adjust HP-UX Porting Center link.
2301         (Binaries): Adjust Free Software Foundation ordering link.
2302
2303 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
2304
2305         * convert.c (convert_to_integer): Use fold_build1 instead of
2306         build1 when converting an integer to an integer.
2307
2308 2005-08-02  Richard Henderson  <rth@redhat.com>
2309
2310         * combine.c (combine_instructions): Don't use reg_equal/equiv
2311         results if the mode doesn't match.
2312
2313 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
2314
2315         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
2316         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
2317
2318 2005-08-02  Richard Henderson  <rth@redhat.com>
2319
2320         PR 23196
2321         * explow.c (memory_address): Remove special-case for
2322         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
2323
2324 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
2325
2326         PR 23164
2327         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
2328         number of calls to cleanup_tree_cfg_1.
2329
2330 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
2331
2332         * doc/invoke.texi: document file extensions .F90 and .F95
2333
2334 2005-08-02  Richard Guenther  <rguenther@suse.de>
2335
2336         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
2337         positive if its first argument is positive.
2338
2339 2005-08-02  Richard Guenther  <rguenther@suse.de>
2340
2341         PR tree-optimization/23177
2342         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
2343         on TMR_TAG.
2344
2345 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
2346
2347         PR tree-optimization/23129
2348         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
2349         varying for divisions with anti-ranges.
2350
2351 2005-08-02  Jan Hubicka  <jh@suse.cz>
2352
2353         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
2354         * tree-ssa-threadupdate.c (thread_block): Add it here.
2355
2356 2005-08-01  James E Wilson  <wilson@specifix.com>
2357
2358         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
2359         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
2360         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
2361         New.
2362         * config/mips/predicates.md (const_call_insn_operand): Add check for
2363         SYMBOL_REF_LONG_CALL_P.
2364         * doc/extend.texi (long_call): Document the new attribute.
2365
2366 2005-08-01  Ian Lance Taylor  <ian@airs.com>
2367             Richard Henderson  <rth@redhat.com>
2368
2369         * Makefile.in (RTL_BASE_H): Add real.h.
2370         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
2371         instead of memcpy.
2372         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
2373         directly.
2374         * rtl.c (rtl_check_failed_code_mode): New.
2375         * rtl.h (struct rtx_def): Add u.rv.
2376         (XCMWINT, XCNMPRV): New.
2377         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
2378         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
2379
2380 2005-08-01  Richard Henderson  <rth@redhat.com>
2381
2382         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
2383         with auto-inc codes.
2384
2385         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
2386
2387 2005-08-01  Jan Hubicka  <jh@suse.cz>
2388
2389         * i386-protos.h (asm_preferred_eh_data_format): Declare.
2390         * i386.c: Include dwarf2.h
2391         (asm_preferred_eh_data_format): New.
2392         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
2393
2394 2005-08-01  Ian Lance Taylor  <ian@airs.com>
2395
2396         * config/host-linux.c (linux_gt_pch_get_address): Add new name
2397         randomize_va_space for virtual address randomization control.
2398
2399 2005-08-01  Steven Bosscher  <stevenb@suse.de>
2400
2401         * common.opt (flag_ipa_cp): Put in right place to maintain
2402         alphabetic sort.
2403
2404 2005-08-01  Jan Hubicka  <jh@suse.cz>
2405
2406         * profile.c (compute_value_histograms): Fix thinko.
2407         * value-prof.c: Include toplev.h
2408         (check_counter): New function.
2409         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
2410         tree_mod_subtract_transform): Add sanity check.
2411
2412 2005-08-01  Richard Guenther  <rguenther@suse.de>
2413
2414         PR tree-optimization/23133
2415         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
2416         current functions parameter decls to find defs to cse
2417         reciprocals of.
2418
2419 2005-08-01  Richard Guenther  <rguenther@suse.de>
2420
2421         PR tree-optimization/23109
2422         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
2423         If trapping math is in effect, use post-dominator information
2424         to check if we'd in any case reach a trapping point before
2425         doing the reciprocal insertion.
2426         (execute_cse_reciprocals): Compute post-dominators, if necessary.
2427         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
2428         expressions are invariant only if trapping math is not in effect.
2429
2430 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
2431
2432         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
2433         cgraph_function_versioning): New declarations.
2434         * cgraphunit.c: Add include to ipa-prop.h.
2435         (update_call_expr, cgraph_copy_node_for_versioning,
2436         cgraph_function_versioning): New functions.
2437         * integrate.c (copy_decl_for_inlining): Remove.
2438         * ipa-prop.h (ipa_replace_map): New struct.
2439         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
2440         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
2441         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
2442         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
2443         ipcp_iterate_stage, ipcp_method_scale_print,
2444         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
2445         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
2446         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
2447         ipcp_update_bb_counts, ipcp_update_profiling,
2448         ipcp_update_edges_counts): New functions.
2449         (ipcp_method_cval_init): Remove restriction regarding local methods.
2450         (ipcp_init_stage): Add ipcp_method_compute_scale.
2451         (ipcp_insert_stage): Add versioning.
2452         (ipcp_structures_print): Add ipcp_method_scale_print.
2453         (ipcp_driver): Dump profiling info.
2454         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
2455         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
2456         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
2457         (struct inline_data): Add versioning_p, ipa_info, new fields.
2458         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
2459         declare_return_variable): Replace calls to copy_decl_for_inlining with
2460         copy_decl_for_dup.
2461         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
2462         versioning support.
2463         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
2464         Add argument VERSIONING.
2465         (copy_arguments_for_versioning, copy_static_chain,
2466         function_versionable_p, tree_versionable_function_p,
2467         tree_function_versioning, replace_ref_tree): New functions.
2468         * tree-inline.h: Include varray.h.
2469         (tree_versionable_function_p,  tree_function_versioning,
2470         tree copy_decl_for_dup): New declarations.
2471
2472 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
2473
2474         * ipa-cp.c: New file. Contains IPCP specific functionality.
2475         * ipa-prop.h: New file. Contains structures/definitions that can be
2476         used by several interprocedural data flow optimizations (and also IPCP).
2477         * ipa-prop.c: New file.
2478         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
2479         * common.opt: Add ipa-cp flag.
2480         * timevar.def: Add IPCP optimization.
2481         * tree-optimize.c (init_tree_optimization_passes): Schedule
2482         pass_ipa_cp.
2483         * tree-pass.h (pass_ipa_cp): Declare.
2484
2485 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
2486
2487         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
2488         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
2489         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
2490         config/i386/i386.c, config/mips/mips.h,
2491         config/rs6000/rs6000.h, config/sh/sh.c,
2492         config/stormy16/stormy16.c: Fix comment typos.
2493
2494 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
2495
2496         PR c/22311
2497         * c-typeck.c (build_binary_op): Use common_type wrapper on
2498         shortened types.
2499         (common_type): Update comment.
2500
2501 2005-07-31  Steven Bosscher  <stevenb@suse.de>
2502
2503         PR target/23095
2504         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
2505         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
2506         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
2507
2508 2005-07-31  Jan Hubicka  <jh@suse.cz>
2509
2510         * pretty-print.h (pp_widest_integer): New macro.
2511         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
2512         counts.
2513
2514 2005-07-31  Jan Hubicka  <jh@suse.cz>
2515
2516         * output.h (enum section_category): Export from varasm.c
2517         (categorize_decl_for_section): Likewise.
2518         * varasm.c (enum section_category): Kill.
2519         (categorize_decl_for_section): Make global.
2520         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
2521         Declare.
2522         * i386.c (ix86_section_threshold): New static variable.
2523         (ix86_in_large_data_p, ix86_encode_section_info,
2524         x86_64_elf_unique_section,
2525         x86_64_elf_select_section): New functions.
2526         (TARGET_ENCODE_SECTION_INFO): Define
2527         (override_options): Enable medium model for PIC.
2528         (ix86_expand_prologue): Expand gen_set_got_rex64.
2529         (legitimate_constant_p): Handle new UNSPECs.
2530         (legitimate_pic_address_disp_p): Likewise.
2531         (legitimize_pic_address): Lower MEDIUM model addressing.
2532         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
2533         (enum cmodel): Add MEDIUM_PIC.
2534         (SYMBOL_REF_FAR_ADDR_P): New macro.
2535         (SYMBOL_FLAG_FAR_ADDR): New flag.
2536         * i386.md (movdi): Support medium model.
2537         (set_got_rex64): New pattern.
2538         * i386.opt (mlarge-data-threshold): New flag.
2539         * predicates.md (zext_operand/sext_operand): Deal with medium model.
2540         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
2541         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
2542         TARGET_ASM_UNIQUE_SECTION): New.
2543
2544         * invoke.texi (-mlarge_data_threshold): Document
2545
2546 2005-07-31  Jan Hubicka  <jh@suse.cz>
2547
2548         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
2549         (coalesce_vars): Likewise.
2550         * tree-ssa-live.c (coalesce_cost): New.
2551         (build_tree_conflict_graph): Use coalesce_cost.
2552         * tree-ssa-live.h (coalesce_cost): Declare.
2553
2554 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
2555
2556         * arm.md (all peepholes for post-increment operations): Delete.
2557         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
2558         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
2559         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
2560         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
2561         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
2562
2563 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
2564
2565         * fold-const.c (tree_expr_nonnegative_p): Always return true for
2566         non-integral types.
2567
2568 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
2569
2570         PR target/22582
2571         * doc/invoke.texi: Document -rdynamic.
2572
2573 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
2574
2575         PR c/23143
2576         * c-parser.c (c_parser_parms_list_declarator): Call
2577         mark_forward_parm_decls.
2578         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
2579         decls with visibility structure.
2580
2581 2005-07-30  Paul Brook  <paul@codesourcery.com>
2582
2583         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
2584
2585 2005-07-30  Paul Brook  <paul@codesourcery.com>
2586
2587         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
2588         prototype.
2589         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
2590         value for mode.
2591         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
2592
2593 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
2594
2595         PR c/529
2596         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
2597         nested function declarators.
2598         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
2599         (grokparms): Call warn_if_shadowing for parameters used within the
2600         parameter list.
2601         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
2602         not used within the parameter list.
2603         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
2604
2605 2005-07-30  Jan Hubicka  <jh@suse.cz>
2606
2607         * expr.c (expand_expr_real_1): Do not load mem targets into register.
2608         * i386.c (ix86_fixup_binary_operands): Likewise.
2609         (ix86_expand_unary_operator): Likewise.
2610         (ix86_expand_fp_absneg_operator): Likewise.
2611         * optabs.c (expand_vec_cond_expr): Validate dest.
2612
2613 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
2614
2615         PR c/21720
2616         * real.c (real_from_string): Also set last bit if there is a
2617         nonzero hex digit beyond GCC's internal precision after ".".
2618
2619 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
2620
2621         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
2622         define_constants.  Change duplicate values to unassigned numbers.
2623         Change UNSPEC_SUBS to UNSPEC_VSUBS.
2624         (*altivec_vspltsf): New.
2625         (altivec_vperm_v4sf): Delete.
2626         (altivec_vperm_<mode>): Use mode macro V.
2627         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
2628         (altivec_predicate_v4sf): Delete.
2629         (altivec_predicate_<mode>): Use mode macro V.
2630         (*altivec_lvesfx): New.
2631         (*altivec_stvesfx): New.
2632         (vec_realign_load_v4sf): Delete.
2633         (vec_realign_load_<mode>): Use mode macro V.
2634         * config/rs6000/rs6000.c (generate_set_vrsave): Use
2635         UNSPECV_SET_VRSAVE.
2636
2637 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
2638
2639         PR bootstrap/23131
2640         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
2641         string.
2642         * configure: Regenerated.
2643
2644 2005-07-29  Paul Brook  <paul@codesourcery.com>
2645
2646         * doc/install.texi: Add link to GFortran binaries wiki page.
2647
2648 2005-07-29  David Ung  <davidu@mips.com>
2649
2650         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
2651         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
2652         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
2653         * config/mips/mips.md (cpu): Add 5kf name.
2654         (includes): Includes 5k.md.
2655         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
2656         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
2657         -march flag.
2658
2659 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
2660
2661         PR 22550
2662         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
2663         (cleanup_tree_cfg): ... here.
2664         Call cleanup_tree_cfg_1 until there are no more cleanups to
2665         do.
2666
2667 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
2668
2669         * tree-vrp.c (compare_range_with_value): Return true or false
2670         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
2671         EQ_EXPR respectively.
2672
2673 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
2674
2675         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
2676         Fix comment typos.
2677
2678 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
2679
2680         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
2681         (tree_ssa_dominator_optimize): Increment it.
2682         (dump_dominator_optimization_stats): Print it.
2683
2684 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
2685             Steven Bosscher  <stevenb@suse.de>
2686
2687         PR rtl-optimization/23117
2688         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
2689         when head == tail.  Tidy comment.
2690
2691 2005-07-28  Richard Henderson  <rth@redhat.com>
2692
2693         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
2694         * cselib.c (rtx_equal_for_cselib_p): Likewise.
2695         * jump.c (rtx_renumbered_equal_p): Likewise.
2696         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
2697         CONST_INT and CONST_DOUBLE.
2698         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
2699         * reload.c (operands_match_p): Special case CONST_INT and
2700         CONST_DOUBLE; check mode earlier.
2701
2702 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
2703
2704         PR c/22240
2705         * c-typeck.c (convert_for_assignment): Do not check
2706         DECL_IN_SYSTEM_HEADER on NULL fundecl.
2707
2708 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
2709
2710         PR c/22192
2711         * c-typeck.c (composite_type): Prefer constant size arrays to
2712         VLAs.
2713
2714 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
2715
2716         PR c/21720
2717         * real.c (real_from_string): Set last bit if there is a nonzero
2718         hex digit beyond GCC's internal precision.
2719
2720 2005-07-28  Richard Henderson  <rth@redhat.com>
2721
2722         PR rtl-opt/22619
2723         * cfgcleanup.c (try_forward_edges): Watch out for end of
2724         insn chain.
2725
2726 2005-07-28  James E Wilson  <wilson@specifixinc.com>
2727
2728         PR c/23106
2729         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
2730
2731 2005-07-28  Jan Hubicka  <jh@suse.cz>
2732
2733         * Makefile.in (rtl-profile.o): Kill all traces of it.
2734         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
2735         * coverage.h (rtl_coverage_counter_ref): Kill.
2736         * opts.c (flag_speculative_prefetching_set): Kill.
2737         (flag_loop_optimize_set): New.
2738         (common_handle_option): Disable loop optimizer when profiling;
2739         do not handle speculative prefetching.
2740         * passes.c (init_optimization_passes): Replace pass_profiling combo
2741         by branch_prob pass.
2742         * profile.c (compute_value_histograms): Update for simplified value
2743         profiles.
2744         (rtl_register_profile_hooks): Kill.
2745         (pass_profiling): Kill.
2746         (rest_of_handle_branch_prob): Do not profile.
2747         * toplev.c (process_options): Remove speculative prefetching.
2748         * toplev.h (flag_tree_based_profiling): Kill.
2749         * tree-profile.c (prepare_instrumented_value,
2750         tree_gen_interval_profiler, tree_gen_pow2_profiler,
2751         tree_gen_one_value_profiler, do_tree_profiling): Update for
2752         simplified datastructures.
2753         * value-prof.c: Add comment that speculative prefetching was dropped;
2754         update rest of file for simplified datastructures.
2755         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
2756         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
2757         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
2758         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
2759         rtl_mod_subtract, gen_speculative_prefetch,
2760         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
2761         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
2762         (gate_handle_value_profile_transformations,
2763         rest_of_handle_value_profile_transformations,
2764         pass_value_profile_transformations): Kill.
2765         * value-prof.h (histogram_value_t): Remove IL based unions.
2766         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
2767         rtl_profile_hooks): Remove hooks.
2768
2769         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
2770
2771         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
2772         (cgraph_clone_node): Likewise.
2773         * cgraph.h (cgraph_clone_edge): Update prototype.
2774         (cgraph_clone_node): Likewise.
2775         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
2776         cgraph_clone_node.
2777         (lookup_recursive_calls): Consider profile.
2778         (cgraph_decide_recursive_inlining): Fix updating; use new
2779         probability argument; use profile.
2780         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
2781         * tree-inline.c (copy_bb): Update clal of clone_edge.
2782         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
2783
2784         * invoke.texi (min-inline-recursive-probability): Document.
2785
2786 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
2787
2788         * doc/install.texi (Configuration): Update Valgrind homepage.
2789
2790 2005-07-28  Richard Henderson  <rth@redhat.com>
2791
2792         PR middle-end/21362
2793         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
2794         labels we want to delete.
2795         (cfg_layout_merge_blocks): Likewise.
2796
2797 2005-07-28  Richard Henderson  <rth@redhat.com>
2798
2799         PR target/17692
2800         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
2801         when expanding to nothing.
2802
2803 2005-07-28  Josh Conner  <jconner@apple.com>
2804
2805         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
2806         (cgraph_decide_inlining_of_small_functions): Likewise.
2807
2808 2005-07-28  Josh Conner  <jconner@apple.com>
2809
2810         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
2811         direction of badness if negative.
2812         (cgraph_default_inline_p): Add reason to parameters, and assign it
2813         a value.
2814         (cgraph_decide_inlining_of_small_functions): New parameter in call
2815         to cgraph_default_inline_p.
2816         (cgraph_decide_inlining_incrementally): Likewise.
2817         * cgraphunit.c (decide_is_function_needed): Likewise.
2818         * cgraph.h (cgraph_default_inline_p): Likewise.
2819
2820 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2821
2822         * builtins.c: Fix comment typo(s).
2823         * genautomata.c: Likewise.
2824         * gimplify.c: Likewise.
2825         * tree-dfa.c: Likewise.
2826         * tree-flow-inline.h: Likewise.
2827         * tree-into-ssa.c: Likewise.
2828         * tree-ssa-alias.c: Likewise.
2829         * tree-ssa-ccp.c: Likewise.
2830         * tree-ssa-copy.c: Likewise.
2831         * tree-ssa-dce.c: Likewise.
2832         * tree-ssa-dom.c: Likewise.
2833         * tree-ssa-operands.c: Likewise.
2834         * tree-tailcall.c: Likewise.
2835         * tree-vectorizer.c: Likewise.
2836         * tree-vrp.c: Likewise.
2837         * tree.c: Likewise.
2838
2839 2005-07-28  Jeff Law  <law@redhat.com>
2840
2841         * tree-vrp.c (test_for_singularity): Extracted from  ...
2842         (simplify_cond_using_ranges): Attempt to simplify a relational
2843         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
2844
2845 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
2846
2847         PR tree-optimization/22506
2848         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
2849         phis whose argument is constant.
2850
2851 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
2852
2853         PR rtl-optimization/18992
2854         Back out this patch:
2855           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2856           PR optimization/12142
2857           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
2858           uses of the register in the SET_SRC.  Remove unnecessary argument.
2859
2860         Replace it with this:
2861         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
2862         if flag_non_call_exceptions is set and the insn may trap, pass
2863         pc_rtx as dest for recursion.
2864         In SET_SRC part of SET case, if dest is already set, pass it down
2865         unchanged.
2866
2867 2005-07-28  Jan Hubicka  <jh@suse.cz>
2868
2869         * cfg.c (update_bb_profile_for_threading): Use RDIV.
2870         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
2871         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
2872         roundoff errors.
2873         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
2874         profile when available.
2875
2876 2005-07-28  Jan Beulich <jbeulich@novell.com>
2877
2878         * config/ia64/ia64.c (ia64_load_pair_ok): New.
2879         (ia64_print_operand): Describe and handle 'X'.
2880         (ia64_register_move_cost): Also handle FP_REGS.
2881         (ia64_preferred_reload_class): Likewise.
2882         (ia64_secondary_reload_class): Likewise.
2883         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
2884         it. Also check for ITANIUM_CLASS_FLDP.
2885         * config/ia64/ia64.h (FP_REGNO_P): New.
2886         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
2887         (reg_class): Add FP_REGS.
2888         (REG_CLASS_NAMES): Adjust for it.
2889         (REG_CLASS_CONTENTS): Likewise.
2890         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
2891         (REG_CLASS_FROM_LETTER): Handle 'x'.
2892         (CLASS_MAX_NREGS): Handle FP_REGS.
2893         (MEMORY_MOVE_COST): Likewise.
2894         * config/ia64/ia64.md (itanium_class): Add fldp.
2895         (type): Handle fldp.
2896         (movti_internal): More allowable operand combinations. Use ldfp8 when
2897         splitting unnecessary. Remove predicable attribute. Adjust
2898         itanium_class attribute.
2899         (smuldi3_highpart): Remove outdated comment.
2900         (mulditi3, umulditi3, rotlti3): New expanders.
2901         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
2902         (absti2): Disabled new insn for future reference.
2903         Respective new splitters.
2904         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
2905         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
2906         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
2907
2908 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
2909
2910         PR rtl-optimization/23047
2911         * simplify-rtx.c (simplify_const_relational_operation): Respect
2912         flag_wrapv for comparisons with ABS.
2913
2914 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
2915
2916         PR tree-optimization/22493
2917         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
2918         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
2919
2920 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
2921
2922         * config/frv/frv.opt (moptimize-membar): New.
2923
2924         * doc/invoke.texi: Document -moptimize-membar and its inverse.
2925
2926         * config/frv/frv.h: Remove machine_function definition.
2927
2928         * config/frv/frv.c (struct frv_io): New.
2929         (struct machine_function): Moved from frv.h.  Add has_membar_p.
2930         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
2931         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
2932         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
2933         (frv_optimize_membar_global, frv_optimize_membar): New functions.
2934         (frv_reorg): Call frv_optimize_membar when appropriate.
2935         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
2936         (frv_expand_builtin): Adjust calls accordingly.
2937         (frv_io_address_cookie): New function.
2938         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
2939         load or store rather than a special insn.  Add ccnstant address and
2940         io-type operands to the membar.
2941         (frv_ifcvt_modify_tests): Unsign regno.
2942         (frv_ifcvt_modify_tests): Same.
2943
2944         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
2945         UNSPEC_OPTIONAL_MEMBAR constant.
2946         (builtin_read_<mode>): Delete.
2947         (builtin_write_<mode>): Delete.
2948         ("optional_membar_<mode>"): Add operand.
2949
2950         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
2951         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
2952         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
2953         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
2954         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
2955         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
2956         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
2957         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
2958         * testsuite/gcc.target/frv/all-read-write-1.c: New.
2959
2960 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2961
2962         * df.c (df_uses_record): Handle SCRATCH.
2963
2964 2005-07-28  Steven Bosscher  <stevenb@suse.de>
2965
2966         PR debug/20161
2967         * passes.c (rest_of_decl_compilation): If decl is a type and
2968         we have encountered errors, don't emit debug information.
2969
2970 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
2971
2972         * params.def: Fixed comment.
2973
2974 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
2975
2976         PR target/19885
2977         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
2978         (TARGET_ASM_UNALIGNED_HI_OP): Add.
2979         (TARGET_ASM_UNALIGNED_SI_OP): Add.
2980
2981 2005-07-27  Steven Bosscher  <stevenb@suse.de>
2982
2983         PR c++/22003
2984         * varasm.c (assemble_start_function): Don't do anything that may
2985         require a CFG if the current function is a thunk.
2986
2987 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
2988
2989         * doc/install.texi (Prerequisites): Mention that perl is needed
2990         to do export control in libstdc++ targetting Darwin.
2991
2992 2005-07-27  Steven Bosscher  <stevenb@suse.de>
2993
2994         PR rtl-optimization/17808
2995         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
2996         (sched_insns_conditions_mutex_p): Split out from...
2997         (add_dependence): ...here.  But don't call it from here.
2998         (add_dependence_list): Check sched_insns_conditions_mutex_p
2999         before calling add_dependence.
3000         (add_dependence_list_and_free): Likewise.
3001         (fixup_sched_groups): Likewise.
3002         (sched_analyze_1): Likewise.
3003         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
3004         (sched_analyze): Likewise.
3005         (sched_analyze_insn): Likewise.
3006         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
3007         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
3008         dependencies on all COND_EXEC insns to jumps ending basic blocks
3009         when doing intrablock scheduling.
3010         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
3011
3012 2005-07-27  Jeff Law  <law@redhat.com>
3013
3014         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
3015         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
3016         equivalency sets, correctly handle the case were vr0 has an
3017         equivalency set, but vr1 does not.
3018
3019 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
3020
3021         PR tree-optimization/23073
3022         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
3023         vect_print_dump_info before fprintf.
3024
3025 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3026
3027         PR tree-optimize/22348
3028         * tree-ssa-loop-niter.c (number_of_iterations_cond):
3029         Fold the partial computation.
3030
3031 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3032
3033         PR tree-optimization/22325
3034         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
3035         Declare.
3036         * tree-scalar-evolution.c (scev_const_prop): Add generic final
3037         value replacement.
3038         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
3039         (force_var_cost): ... this function.
3040         (compute_phi_arg_on_exit): Export.
3041
3042 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3043
3044         PR tree-optimization/20773
3045         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
3046         edge.
3047
3048 2005-07-27  Richard Guenther  <rguenther@suse.de>
3049
3050         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
3051         Avoid pushing again if current struct contains only
3052         fields we decomposed.
3053
3054 2005-07-27  Jan Hubicka  <jh@suse.cz>
3055
3056         PR tree-optimization/22574
3057         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
3058         not available.
3059
3060         * tree-tailcall.c (decrease_profile): New function.
3061         (eliminate_tail_call): Use it.
3062
3063         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
3064         visibility flags correctly in whole program mode.
3065
3066 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
3067
3068         PR rtl-optimization/22472
3069         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
3070
3071 2005-07-26  Steven Bosscher  <stevenb@suse.de>
3072
3073         PR tree-optimization/22504
3074         * tree-complex.c (expand_complex_addition): Use 'code' instead
3075         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
3076
3077 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
3078
3079         * config.gcc (cpu_type): Add frv case.
3080         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
3081         (supported_defaults): Add fr550 case.
3082
3083 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
3084
3085         PR 22591
3086         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
3087         whether a pointer of type T * may point to objects of type T *.
3088
3089 2005-07-26  DJ Delorie  <dj@redhat.com>
3090
3091         * configure: Regenerate.
3092
3093 2005-07-26  Dale Johannesen  <dalej@apple.com>
3094
3095         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
3096
3097 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
3098
3099         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
3100         Clarify use of "build" in name.
3101
3102 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
3103
3104         * doc/extend.texi (Raw read/write Functions): New section.
3105         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
3106         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
3107         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
3108         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
3109         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
3110         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
3111         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
3112         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
3113         * config/frv/frv.c: Add bdesc_loads global.
3114         Add bdesc_stores global.
3115         (frv_init_builtins): Add support for __builtin_{read/write}*.
3116         (frv_volatile_memref): New.
3117         (frv_expand_load_builtin): New.
3118         (frv_expand_store_builtin): New.
3119         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
3120         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
3121         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
3122         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
3123         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
3124         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
3125         (builtin_read_<mode>): New.
3126         (builtin_write_<mode>): New.
3127         (builtin_write64): New.
3128         (optional_membar_<mode>): New.
3129
3130 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
3131
3132         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
3133         (rather than units) against HOST_BITS_PER_WIDE_INT.
3134
3135 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
3136
3137         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
3138         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
3139         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
3140         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
3141         FSF address.
3142
3143         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
3144         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
3145         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
3146         comment typos.
3147         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
3148
3149 2005-07-26  Richard Guenther  <rguenther@suse.de>
3150
3151         PR tree-optimization/22486
3152         * fold-const.c (fold_unary): Fold away useless component
3153         references of the form (T *)&T.x, if the address
3154         doesn't change.
3155
3156 2005-07-25  James E Wilson  <wilson@specifixinc.com>
3157
3158         * dwarf2out.c (add_call_src_coords_attributes): New.
3159         (gen_inlined_subroutine_die): Call it.
3160         (maybe_emit_file, init_file_table): Add comments.
3161         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
3162         maybe_emit_file.
3163         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
3164         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
3165         * tree.h (BLOCK_SOURCE_LOCATION): New.
3166         (struct tree_block): New field locus.
3167
3168 2005-07-26  Andreas Schwab  <schwab@suse.de>
3169
3170         PR rtl-optimization/23043
3171         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
3172         when allocating a struct unoccr.
3173
3174 2005-07-25  Richard Henderson  <rth@redhat.com>
3175
3176         PR 22626
3177         * tree-complex.c (gate_no_optimization): True if errors.
3178         * Makefile.in (tree-complex.o): Update dependencies.
3179
3180 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
3181
3182         * config/frv/predicates.md (integer_register_operand): Use
3183         GPR_AP_OR_PSEUDO_P.
3184
3185 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
3186
3187         PR tree-opt/22484
3188         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
3189         after fold.
3190         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
3191
3192 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
3193
3194         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
3195         types when flag_unsafe_math_optimizations is true.
3196
3197 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
3198
3199         * gcc.c (option_map): Add --sysroot.
3200         (process_command): Handle --sysroot.
3201         (display_help): Document it.
3202         * doc/cppopts.tex (-isysroot): Document.
3203         * doc/invoke.texi (--sysroot): Document.
3204         * doc/install.texi (--with-build-sysroot): Document.
3205
3206         * Makefile.in (inhibit_libc): New variable.
3207         (INHIBIT_LIBC_CFLAGS): Likewise.
3208         (LIBGCC2_CFLAGS): Include
3209         $(INHIBIT_LIBC_CFLAGS).
3210         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
3211         ($(T)crtbegin.o): Do not use @inhibit_libc@.
3212         ($(T)crtend.o): Likewise.
3213         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
3214         ($(T)crtendS.o): Likewise.
3215         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
3216         ($(T)crtendT.o): Likewise.
3217         (stmp-fixinc): Do not complain about missing headers if
3218         inhibit_libc.
3219         * configure.ac (inhibit_libc): Set it to true/false.
3220         (--with-build-sysroot): New option.  Use it to set
3221         SYSTEM_HEADER_DIR.
3222         * configure: Regenerated.
3223
3224 2005-07-25  Manfred Hollstein  <mh@suse.com>
3225
3226         * calls.c (store_one_arg): Fix unsigned comparison warning.
3227
3228 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
3229
3230         PR other/22337
3231         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
3232         (ggc_print_statistics): Initialize variable before use.
3233
3234 2005-07-25  Richard Guenther  <rguenther@suse.de>
3235
3236         * tree-dfa.c (mark_new_vars_to_rename): Protect against
3237         calling with a PHI_NODE argument.
3238
3239         * tree-flow-inline.h (overlap_subvar): Protect against
3240         possible overflow.
3241
3242 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
3243
3244         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
3245         * configure: Regenerate.
3246
3247 2005-07-25  Ira Rosen  <irar@il.ibm.com>
3248
3249         * expr.c (highest_pow2_factor): Make extern.
3250         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
3251         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
3252         record_array_differ_p, array_ptr_differ_p): Likewise.
3253         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
3254         additional cases. Call the above functions.
3255         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
3256         base_object_differ_p when there are two base objects. Otherwise, compare
3257         base address and offset. Call may_alias_p.
3258         (dump_data_reference): Use a correct field name.
3259         (analyze_array): Make static. Initialize new data-ref fields.
3260         (analyze_indirect_ref): New function.
3261         (init_data_ref): Initialize new data-ref fields.
3262         (strip_conversion): Moved from tree-vect-analyze.c.
3263         (analyze_offset_expr, get_ptr_offset, address_analysis,
3264         object_analysis): Likewise.
3265         (analyze_offset): New function.
3266         (create_data_ref): Likewise.
3267         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
3268         dimensions for ARRAY_REFs only.
3269         (build_classic_dist_vector): Make static.
3270         (access_functions_are_affine_or_constant_p): Call macro to get the
3271         address of access functions.
3272         (compute_all_dependences): Add new parameter
3273         compute_self_and_read_read_dependences. Compute self and read-read
3274         dependences if it is true.
3275         (find_data_references_in_loop): Call create_data_ref. Initialize new
3276         data-ref fields.
3277         (compute_data_dependences_for_loop): Add new parameter
3278         compute_self_and_read_read_dependences. Remove parameter nb_loops,
3279         compute nb_loops. Call compute_all_dependences,
3280         build_classic_dist_vector and build_classic_dir_vector with correct
3281         parameters.
3282         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
3283         with correct parameters. Compare dimensions for ARRAY_REFs only.
3284         (free_data_refs): Call macro to free access functions.
3285         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
3286         fields from stmt_vinfo.
3287         (struct base_object_info): New structure.
3288         (struct data_reference): Move fields to base_object_info. Add fields
3289         first_location and object_info for above structures. Move fields from
3290         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
3291         aligned_to.  Add macros to access the new fields.
3292         Update functions declarations.
3293         * tree-flow.h (is_aliased_with): Declare.
3294         * tree-loop-linear.c (linear_transform_loops): Call
3295         compute_data_dependences_for_loop with correct parameters.
3296         * tree-ssa-alias.c (is_aliased_with): New function.
3297         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
3298         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
3299         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
3300         vect_base_addr_differ_p, compute_subscript_distance and
3301         build_classic_dist_vector. Add printings. Check absolute value of
3302         distance.
3303         (vect_analyze_data_ref_dependences): Go through ddrs instead of
3304         data-refs.
3305         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
3306         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
3307         to bytes. Add printing.
3308         (vect_compute_data_refs_alignment): Go through loads and stores in one
3309         loop.
3310         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
3311         vect_analyze_data_ref_access): Likewise.
3312         (vect_analyze_pointer_ref_access): Remove.
3313         (vect_address_analysis, vect_object_analysis): Likewise.
3314         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
3315         and analyze data-refs in the loop.
3316         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
3317         fields of data-ref instead of stmt. Add init to the offset from the
3318         base.
3319         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
3320         (vect_update_init_of_dr): Likewise.
3321         (vect_update_inits_of_drs): Go through loads and stores in one loop.
3322         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
3323         removed fields.
3324         (new_loop_vec_info): Initialize new fields.
3325         (destroy_loop_vec_info): Free new fields.
3326         (vect_strip_conversion): Remove.
3327         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
3328         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
3329         datarefs. Add new field ddrs.
3330         Add macros for the new fields access.
3331         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
3332         base_aligned_p, misalignment, memtag, ptr_info and subvars.
3333         Remove their macros.
3334         * tree.h (highest_pow2_factor): Declare.
3335
3336 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
3337
3338         * calls.c (store_one_arg): Check for sibling call MEM arguments
3339         from already clobbered incoming argument area.
3340
3341 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3342
3343         * c-common.c (check_missing_format_attribute): New.
3344         * c-common.h (check_missing_format_attribute): Likewise.
3345         * c-typeck.c (convert_for_assignment): Use it.
3346
3347 2005-07-24  Andreas Schwab  <schwab@suse.de>
3348
3349         * config/m68k/m68k.md ("extendqidi2"): When source is an address
3350         register use a word move.  Correct operand of ext.w in 68000 code.
3351
3352 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
3353
3354         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
3355         variables as declarations, rather than definitions.
3356
3357 2005-07-24  Ira Rosen  <irar@il.ibm.com>
3358
3359         PR tree-optimization/22526
3360         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
3361         of the zero node.
3362
3363 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3364
3365         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
3366         that C99 reserve for future use. Use it to define clog10,
3367         clog10f and clog10l.
3368
3369 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3370
3371         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
3372         * configure.ac: Check for -Wmissing-format-attribute.
3373
3374         * configure: Regenerate.
3375
3376 2005-07-23  Richard Henderson  <rth@redhat.com>
3377
3378         PR tree-optimization/22623
3379         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
3380
3381 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
3382
3383         PR target/22577
3384         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
3385
3386 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3387
3388         * Makefile.in (C_TREE_H): Update dependencies.
3389         * c-tree.h: Include toplev.h.
3390         * diagnostic.h (diagnostic_set_info): Add format attribute.
3391         * rtl-error.c (diagnostic_for_asm): Likewise.
3392
3393 2005-07-23  Chao-ying Fu  <fu@mips.com>
3394
3395         * config/mips/mips-dsp.md: New file.
3396         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
3397         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
3398         functions.
3399         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
3400         MIPS_BUILTIN_BPOSGE32.
3401         (mips_expand_builtin_direct): Add one parameter to indicate that
3402         builtin functions need to return a value.
3403         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
3404         functions.
3405         (mips_regno_to_class): Add classes for 12 new DSP registers.
3406         (mips_subword): Change to check four HI registers.
3407         (mips_output_move): Output move to and from 6 new DSP accumulators.
3408         (override_options): Make sure -mdsp and -mips16 are not used together.
3409         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
3410         for machine modes.
3411         (mips_conditional_register_usage): Disable 6 new DSP accumulators
3412         when !TARGET_DSP.
3413         (print_operand): Add 'q' for printing DSP accumulators.
3414         (mips_cannot_change_mode_class): Check ACC_REGS.
3415         (mips_secondary_reload_class): Check ACC_REGS.
3416         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
3417         (mips_register_move_cost): Check ACC_REGS.
3418         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
3419         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
3420         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
3421         (dsp_bdesc): New array.
3422         (bdesc_arrays): Add DSP builtin function table.
3423         (mips_prepare_builtin_arg): Check predicate again after
3424         copy_to_mode_reg.
3425         (mips_expand_builtin): Add one more parameter to
3426         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
3427         MIPS_BUILTIN_BPOSGE32.
3428         (mips_init_builtins): Initialize new function types.
3429         (mips_expand_builtin_direct): Check if builtin functions need to
3430         return a value and pass operands properly.
3431         (mips_expand_builtin_bposge): New function.
3432         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
3433         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
3434         (FIRST_PSEUDO_REGISTER): Increase to 188.
3435         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3436         Update for 12 new DSP registers.
3437         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
3438         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
3439         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
3440         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
3441         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
3442         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
3443         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
3444         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
3445         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
3446         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
3447         (REGISTER_NAMES): Add names for 12 new DSP registers.
3448         * config/mips/mips.md: Include mips-dsp.md.
3449         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
3450         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
3451         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
3452         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
3453         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
3454         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
3455         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
3456         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
3457         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
3458         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
3459         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
3460         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
3461         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
3462         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
3463         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
3464         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
3465         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
3466         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
3467         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
3468         (UNSPEC_RDDSP): New constants.
3469         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
3470         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
3471         A<-d alternative.
3472         * config/mips/mips.opt (-mdsp): New option.
3473         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
3474         (reg_imm10_operand): New predicates.
3475         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
3476         * doc/invoke.texi (-mdsp): Document new option.
3477
3478 2005-07-22  DJ Delorie  <dj@redhat.com>
3479
3480         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
3481         to warning calls.
3482         * tree-inline.c (inlinable_function_p): Likewise.
3483
3484 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
3485
3486         PR debug/21828
3487         * toplev.c (check_global_declarations): Do not mark undefined
3488         variables as DECL_IGNORED_P.
3489         * varasm.c (first_global_object_name): GTY it.
3490         (weak_global_object_name): Likewise.
3491         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
3492         a string to go into {weak,first}_global_object_name.
3493
3494 2005-07-22  DJ Delorie  <dj@redhat.com>
3495
3496         * c-format.c (check_function_format): Change warning control
3497         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
3498
3499 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
3500
3501         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
3502         &PTR->FLD a dereference of PTR.
3503         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
3504         a potential dereference of PTR.
3505
3506 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
3507
3508         PR rtl-optimization/20370
3509         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
3510         call allocate_reg_info if necessary.
3511
3512         PR rtl-optimization/21848
3513         * calls.c (emit_library_call_value_1): For const functions, add
3514         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
3515
3516         PR rtl-optimization/22445
3517         * cselib.c (target.h): Include.
3518         (rtx_equal_for_cselib_p): Allow commutative matches.
3519         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
3520         Remove MODE parameter.  Changed all callers.
3521
3522         PR rtl-optimization/22258
3523         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
3524         New functions.
3525         (try_combine): Use likely_spilled_retval_p.
3526
3527 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
3528
3529         * config.gcc: Add crx-elf support.
3530
3531         * doc/contrib.texi: Mention crx.
3532         * doc/extend.texi: Document crx extensions.
3533         * doc/install.texi: Document crx install.
3534         * doc/invoke.texi: Document crx options.
3535         * doc/md.texi: Document crx constraints.
3536
3537         * config/crx/crx-protos.h: New file.
3538         * config/crx/crx.c: New file.
3539         * config/crx/crx.h: New file.
3540         * config/crx/crx.md: New file.
3541         * config/crx/crx.opt: New file.
3542         * config/crx/t-crx: New file.
3543
3544 2005-07-22  Manfred Hollstein  <mh@suse.com>
3545
3546         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
3547         warnings.
3548         (int_add_graph_edge): Likewise.
3549         (collapse_nodes): Likewise.
3550         (process_unification_queue): Likewise.
3551
3552 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3553             Laurent GUERBY  <laurent@guerby.net>
3554
3555         PR tree-optimization/22336
3556         * function.c (record_block_change): Check for
3557         cfun->ib_boundaries_block.
3558
3559 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
3560
3561         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
3562         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
3563
3564 2005-07-21  DJ Delorie  <dj@redhat.com>
3565
3566         * toplev.c (warn_deprecated_use): Add warning control to warning
3567         call.
3568         * c-typeck.c (parser_build_binary_op): Likewise.
3569         (c_finish_if_stmt): Likewise.
3570         * c-common.c (check_function_sentinel): Likewise.
3571         (check_nonnull_arg): Likewise.
3572
3573 2005-07-21  Richard Henderson  <rth@redhat.com>
3574
3575         PR tree-opt/22504
3576         * tree-complex.c (complex_ssa_name_components): New.
3577         (cvc_lookup): Allow entry not found.
3578         (create_components): Remove.
3579         (create_one_component_var, get_component_var): New.
3580         (get_component_ssa_name, set_component_ssa_name): New.
3581         (extract_component): Use get_component_ssa_name.
3582         (update_complex_components): Use set_component_ssa_name.
3583         (update_complex_components_on_edge): Likewise.
3584         (update_phi_components): Create new PHI nodes directly, instead
3585         of adding insns to edges.
3586         (tree_lower_complex): Allocate and free complex_variable_components
3587         and complex_ssa_name_components here.
3588
3589 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
3590
3591         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
3592         revert to returning false.
3593
3594 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
3595
3596         PR target/21149
3597         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
3598
3599 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
3600
3601         PR target/22576
3602         * config/i386/i386.md (cmpxf): Change operand constraints
3603         to "nonmemory_operand".
3604
3605 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
3606
3607         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
3608
3609 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
3610
3611         PR middle-end/21180
3612         * fold-const.c (fold_build1): Add checksum for the operands.
3613         (fold_build2): Likewise.
3614         (fold_build3): Likewise.
3615
3616 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
3617
3618         PR middle-end/19055
3619         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
3620
3621 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
3622
3623         * common.opt (-fforward-propagate): Committed by mistake,
3624         removed.
3625
3626 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3627
3628         * reg-stack.c: Fix comment typo(s).
3629         * tree-ssa-operands.c: Likewise.
3630         * tree-vectorizer: Likewise.
3631
3632 2005-07-21  Nick Clifton  <nickc@redhat.com>
3633
3634         * config/sh/symbian.c: Replace C++ style line comments with C
3635         style line comments.
3636         (symbian_add_attribute): Do not use a ? operator on the LHS of
3637         an assignment.
3638         (sh_symbian_handle_dll_attribute): Change the type of the
3639         method vector to "VEC(tree,gc)*" and use vector accessor
3640         macros to walk over the elements.
3641         (symbian_export_vtable_and_rtti_p): Likewise.
3642         (symbian_class_needs_attribute_p): Likewise.
3643
3644 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
3645
3646         PR target/22085
3647         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
3648         initialize targetm.resolve_overloaded_builtin here.
3649         (altivec_expand_overloaded_builtin): Make it non-static.
3650         * config/rs6000/rs6000-protos.h
3651         (altivec_expand_overloaded_builtin): New prototype.
3652         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
3653         targetm.resolve_overloaded_builtin here.
3654         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
3655
3656 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
3657             Zdenek Dvorak  <dvorakz@suse.cz>
3658
3659         PR tree-optimization/19210
3660         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
3661         New.
3662         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
3663         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
3664         rely on unproven assumptions.
3665         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
3666         * tree-flow.h (number_of_iterations_exit): Add final parameter.
3667         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
3668         to number_of_iterations_exit.
3669         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
3670         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
3671         * tree-ssa-loop-niter.c (find_loop_niter,
3672         estimate_numbers_of_iterations_loop): Likewise.
3673         (number_of_iterations_exit): Honor the new options.
3674         * doc/invoke.texi (Wunsafe-loop-optimizations,
3675         funsafe-loop-optimizations): Document them.
3676
3677 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
3678
3679         PR rtl-optimization/22167
3680         * gcse.c (hoist_code): Fix hoist_exprs[] check.
3681
3682 2005-07-20  Adam Nemet  <anemet@lnxw.com>
3683
3684         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
3685         __do_global_dtors_aux longcall.
3686
3687 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
3688
3689         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
3690         (old_special_pred_table): Don't reference
3691         SPECIAL_MODE_PREDICATES.
3692         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
3693         * config/arc/arc.h: Don't mention PREDICATE_CODES.
3694         * config/sh/predicates.h: Don't mention
3695         SPECIAL_MODE_PREDICATES.
3696         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
3697         Remove.
3698
3699 2005-07-20  DJ Delorie  <dj@redhat.com>
3700
3701         * config.gcc: Add m32c-elf support.
3702
3703         * doc/contrib.texi: Mention m32c.
3704         * doc/extend.texi: Document m32c extensions.
3705         * doc/install.texi: Mention m32c.
3706         * doc/invoke.texi: Document m32c options.
3707         * doc/md.texi: Document m32c constraints.
3708
3709         * config/m32c/addsub.md: New file.
3710         * config/m32c/bitops.md: New file.
3711         * config/m32c/cond.md: New file.
3712         * config/m32c/jump.md: New file.
3713         * config/m32c/m32c-lib1.S: New file.
3714         * config/m32c/m32c-lib2.c: New file.
3715         * config/m32c/m32c-modes.def: New file.
3716         * config/m32c/m32c-pragma.c: New file.
3717         * config/m32c/m32c-protos.h: New file.
3718         * config/m32c/m32c.abi: New file.
3719         * config/m32c/m32c.c: New file.
3720         * config/m32c/m32c.h: New file.
3721         * config/m32c/m32c.md: New file.
3722         * config/m32c/m32c.opt: New file.
3723         * config/m32c/minmax.md: New file.
3724         * config/m32c/mov.md: New file.
3725         * config/m32c/muldiv.md: New file.
3726         * config/m32c/predicates.md: New file.
3727         * config/m32c/prologue.md: New file.
3728         * config/m32c/shift.md: New file.
3729         * config/m32c/t-m32c: New file.
3730
3731 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3732
3733         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3734         (stack_protect_set, stack_protect_test): New expanders.
3735         (stack_protect_set_si, stack_protect_set_si_media,
3736         stack_protect_set_di_media, stack_protect_test_si,
3737         stack_protect_test_si_media, stack_protect_test_di_media):
3738         New insns.
3739
3740 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
3741
3742         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
3743
3744 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
3745
3746         * tree.h (tree_expr_nonzero_p): Export.
3747         * fold-const.c (tree_expr_nonzero_p): Likewise.
3748         Return true for CALL_EXPRs that are alloca calls.
3749         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
3750         against zero.
3751         * tree-flow.h (expr_computes_nonzero): Remove.
3752         * tree-vrp.c (expr_computes_nonzero): Remove.
3753         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
3754         (extract_range_from_unary_expr): Likewise.
3755         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
3756         tree_expr_nonzero_p.
3757
3758 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3759
3760         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
3761         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
3762         extra arg "picreg" and use it instead of pic_offset_table_rtx.
3763         All callers changed.
3764         (frame_related_constant_load): New arg "related" which controls
3765         setting of RTX_FRAME_RELATED_P.  All callers changed.
3766         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
3767         (bfin_expand_prologue): Add stack limit checking.
3768         * config/bfin/bfin.md (trapifcc): New pattern.
3769
3770         * config/bfin/bfin.c: Include "langhooks.h".
3771         (def_builtin): Go through lang_hooks to call builtin_function.
3772
3773         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
3774         * config/bfin/predicates.md (symbol_ref_operand): New.
3775         (call_insn_operand): Delete.  All callers changed to use
3776         register_no_elim_operand.
3777         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
3778         call_cookie field.
3779         (function_arg): Use it to generate the call's operand 2.
3780         (bfin_longcall_p): New function.
3781         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
3782         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
3783         determine if the address needs to be in a REG.
3784         (bfin_handle_longcall_attribute): New function.
3785         (bfin_attribute_table): Add "longcall" and "shortcall".
3786         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
3787         (CUMULATIVE_ARGS): New member call_cookie.
3788         (PREDICATE_CODES): Add symbol_ref_operand.
3789         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
3790         extra USE to the pattern.
3791         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
3792         New patterns, split off call_insn, sibcall_insn, call_value_insn and
3793         sibcall_value_insn; now the new patterns handle direct calls and the
3794         old ones indirect calls.
3795         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
3796
3797 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
3798
3799         * doc/trouble.texi: Update section on handling of empty loops.
3800
3801 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
3802
3803         * config.gcc: Remove support for sparc-*-openbsd*,
3804         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
3805         ns32k-*-netbsd*.
3806         * config.host: Remove support for i860-*-sysv4* as a host.
3807         * config/i860/*, config/ip2k/*, config/ns32k/*,
3808         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
3809         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
3810         mention obsolete ports.
3811
3812 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3813
3814         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
3815         soft frame pointer.
3816         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
3817         of frame_pointer_rtx.
3818         (sh_expand_epilogue): Likewise.
3819         (sh_set_return_address): Likewise.
3820         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
3821         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
3822         offsets from FRAME_POINTER_REGNUM.
3823         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
3824         (sh_register_names): Add initializer for sfp.
3825         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
3826         (VALID_REGISTER_P): Likewise.
3827         (FIRST_PSEUDO_REGISTER): Update.
3828         (DWARF_FRAME_REGISTERS): Define.
3829         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
3830         (HARD_FRAME_POINTER_REGNUM): Define.
3831         (FRAME_POINTER_REGNUM): Redefine.
3832         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
3833         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
3834         from FRAME_POINTER_REGNUM.
3835         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
3836         FRAME_POINTER_REGNUM.
3837         (REG_CLASS_CONTENTS): Add sfp.
3838         (REG_ALLOC_ORDER): Likewise.
3839         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
3840         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
3841         of frame_pointer_rtx.
3842         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3843
3844 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
3845
3846         * fold-const.c (tree_expr_nonnegative_p): Only return true for
3847         ABS_EXPR when flag_wrapv is false because of INT_MIN.
3848         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
3849         of an ABS_EXPR.
3850         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
3851         ABS_EXPR<x>.
3852
3853 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
3854
3855         Make CONSTRUCTOR use VEC to store initializers.
3856         * c-common.c (complete_array_type): Update to cope with VEC in
3857         CONSTRUCTOR_ELTS.
3858         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
3859         (pp_c_constructor_elts): New function.
3860         * c-pretty-print.h (pp_c_constructor_elts): Declare.
3861         * c-typeck.c (build_function_call, build_c_cast, digest_init,
3862         struct constructor_stack, struct initializer_stack,
3863         constructor_elements, push_init_level, pop_init_level,
3864         add_pending_init, find_init_member, output_init_element): Update to
3865         cope with VEC in CONSTRUCTOR_ELTS.
3866         * coverage.c (build_fn_info_value, build_ctr_info_value,
3867         build_gcov_info): Likewise.
3868         * expr.c (categorize_ctor_elements_1, store_constructor,
3869         expand_expr_real_1): Likewise.
3870         * fold-const.c (fold_ternary): Likewise.
3871         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
3872         gimplify_init_constructor, gimplify_expr): Likewise.
3873         * tree-dump.c (dequeue_and_dump): Likewise.
3874         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
3875         node.
3876         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
3877         CONSTRUCTOR_ELTS.
3878         * tree-sra.c (generate_element_init_1): Likewise.
3879         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
3880         * tree-ssa-operands.c (get_expr_operands): Likewise.
3881         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
3882         * tree-vect-transform.c (vect_get_vec_def_for_operand):
3883         (get_initial_def_for_reduction): Likewise.
3884         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
3885         value handle in annotations.
3886         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
3887         tree_node_structure): Add support for constr_kind.
3888         (build_vector_from_ctor, build_constructor_single,
3889         build_constructor_from_list): New functions.
3890         (build_constructor): Update to take a VEC instead of a TREE_LIST.
3891         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
3892         Update to cope with VEC in CONSTRUCTOR_ELTS.
3893         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
3894         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
3895         CONSTRUCTOR_APPEND_ELT): New macros.
3896         (struct constructor_elt, struct tree_constructor): New data types.
3897         (union tree_node): Add tree_constructor field.
3898         * treestruct.def: Define TS_CONSTRUCTOR.
3899         * varasm.c (const_hash_1, compare_constant, copy_constant,
3900         compute_reloc_for_constant, output_addressed_constants,
3901         initializer_constant_valid_p, output_constant,
3902         array_size_for_constructor, output_constructor): Update to cope with
3903         VEC in CONSTRUCTOR_ELTS.
3904         * vec.h (VEC_empty, VEC_copy): New macros.
3905
3906 2005-07-19  Devang Patel  <dpatel@apple.com>
3907
3908         * dbxout.c (dbxout_type): Check Objective-C++ lang.
3909
3910 2005-07-19  Richard Henderson  <rth@redhat.com>
3911
3912         PR tree-opt/22278
3913         * gimplify.c (gimplify_expr): Use main variant type for the temp
3914         destination for a discarded volatile read.
3915         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
3916         casts between non-void types that change volatility.
3917
3918 2005-07-15  DJ Delorie  <dj@redhat.com>
3919
3920         * toplev.h: Add comment about the first parameter for warning().
3921         * errors.h: Likewise.
3922
3923         * c.opt (Wpragmas): New.
3924         * doc/invoke.texi: Document it.
3925
3926         * function.c (do_warn_unused_parameter): Add warning control to
3927         warning call.
3928         * c-decl.c (warn_if_shadowing): Likewise.
3929         * c-lex.c (cb_def_pragma): Likewise.
3930         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
3931         (pop_alignment): Likewise.
3932         (handle_pragma_pack): Likewise.
3933         (apply_pragma_weak): Likewise.
3934         (handle_pragma_weak): Likewise.
3935         (handle_pragma_redefine_extname): Likewise.
3936         (add_to_renaming_pragma_list): Likewise.
3937         (handle_pragma_extern_prefix): Likewise.
3938         (maybe_apply_renaming_pragma): Likewise.
3939         (handle_pragma_visibility): Likewise.
3940
3941         * config/c4x/c4x-c.c (BAD): Likewise.
3942         (c4x_parse_pragma): Likewise.
3943         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
3944         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
3945         (rs6000_pragma_longcall): Likewise.
3946         * config/v850/v850-c.c (pop_data_area): Likewise.
3947         (ghs_pragma_section): Likewise.
3948         (ghs_pragma_section): Likewise.
3949         (ghs_pragma_interrupt): Likewise.
3950         (ghs_pragma_starttda): Likewise.
3951         (ghs_pragma_startsda): Likewise.
3952         (ghs_pragma_startzda): Likewise.
3953         (ghs_pragma_endtda): Likewise.
3954         (ghs_pragma_endsda): Likewise.
3955         (ghs_pragma_endzda): Likewise.
3956
3957 2005-07-19  Danny Berlin <dberlin@dberlin.org>
3958             Kenneth Zadeck <zadeck@naturalbridge.com>
3959
3960         * Makefile.in: Removed tree-promote-statics.c
3961         * tree-promote-statics.c: Removed.
3962         * common.opt: Removed flag-promote-statics.
3963         * opts.c: Ditto.
3964         * passes.c: Removed tree-promote-statics pass.
3965         * tree-pass.h: Ditto.
3966         * timevar.def: Removed TV_PROMOTE_STATICS.
3967
3968
3969 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
3970
3971         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
3972         and *-*-freebsd9.
3973         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
3974
3975 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3976
3977         PR c/22476
3978         * c-common.c (check_function_arguments): Call
3979         'check_function_format' if either -Wformat or
3980         -Wmissing-format-attribute are specified.
3981         * c-format.c (check_function_format): Check -Wformat before
3982         calling 'check_format_info'.
3983         * c-opts.c (c_common_post_options): Don't warn for
3984         -Wmissing-format-attribute without -Wformat.
3985         * c-typeck.c (convert_for_assignment): Detect additional cases for
3986         -Wmissing-format-attribute.
3987         * doc/invoke.texi (-Wmissing-format-attribute): Document new
3988         behavior.
3989
3990 2005-07-19  Richard Guenther  <rguenther@suse.de>
3991
3992         * config/i386/i386.md (lrint<mode>2): Use temporary
3993         instead of clobbering non-existent memory.
3994
3995 2005-07-19  Nick Clifton  <nickc@redhat.com>
3996
3997         * config/avr/avr.c (legitimate_address_p): Fix debugging print
3998         statement to avoid displaying ASCII control characters.
3999
4000 2005-07-19  Ben Elliston  <bje@au.ibm.com>
4001
4002         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
4003         * cfganal.c (find_edge_index): Ditto.
4004         * combine.c (combine_instructions): Ditto.
4005         * ddg.c (create_scc): Ditto.
4006         (find_successors): Ditto.
4007         (find_predecessors): Ditto.
4008         (find_nodes_on_paths): Ditto.
4009         (longest_simple_path): Ditto.
4010         * flow.c (update_life_info): Ditto.
4011         (count_or_remove_death_notes): Ditto.
4012         (clear_log_links): Ditto.
4013         * modulo-sched.c (generate_reg_moves): Ditto.
4014         (find_max_asap): Ditto.
4015         (find_max_hv_min_mob): Ditto.
4016         (find_max_dv_min_mob): Ditto.
4017         * sbitmap.c (sbitmap_first_set_bit): Ditto.
4018         * sched-rgn.c (extract_edgelst): Ditto.
4019         * tree-into-ssa.c (prepare_names_to_update): Ditto.
4020         (dump_update_ssa): Ditto.
4021         (ssa_names_to_replace) Ditto.
4022         (switch_virtuals_to_full_rewrite): Ditto.
4023         (update_ssa): Ditto.
4024         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
4025
4026 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
4027
4028         Fix PR tree-optimization/22483
4029
4030         * tree-complex.c (create_components): Use
4031         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
4032         * tree-flow-inline.h (fill_referenced_var_vec): New function.
4033         * tree-flow.h (safe_referenced_var_iterator): New structure.
4034         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
4035         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
4036         safe_referenced_var iterator.
4037         (add_type_alias): Ditto.
4038
4039 2005-07-19  Steven Bosscher  <stevenb@suse.de>
4040
4041         * loop-init.c (rest_of_handle_loop2): Remove.
4042         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
4043         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
4044         (pass_rtl_loop_init, pass_rtl_loop_done,
4045         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
4046         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
4047         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
4048         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
4049         pass_tree_loop_done, and pass_tree_unswitch.
4050         (gate_loop): Rename to gate_tree_loop.
4051         * passes.c (init_optimization_passes): Update for renamed tree
4052         loop passes.  Add the new loop2 passes as subpasses of loop2.
4053         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
4054         Update for the renamed tree loop passes.
4055
4056 2005-07-18  Ian Lance Taylor  <ian@airs.com>
4057
4058         PR middle-end/22057
4059         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
4060         blocks when optimizing.
4061
4062 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
4063
4064         * common.opt (frename-registers): Initialize to 2.
4065         (fweb): Ditto.
4066         (fgcse-after-reload): Ditto.
4067         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
4068         (process_options): Only change flag_web, flag_rename_registers,
4069         and flag_rerun_cse_after_loop if not explicitly set by user.
4070
4071 2005-07-18  Jan Beulich  <jbeulich@novell.com>
4072
4073         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
4074         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
4075         in 64-bit mode the same as DImode in 32-bit mode.
4076         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
4077         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
4078         mode. Add new mode parameter.
4079         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
4080         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
4081         x86_64_shift_adj): New expanders.
4082         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
4083         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
4084         insns.
4085         Respective new splitters. Use renamed shift splitter helpers in 32-bit
4086         DImode shift splitters.
4087         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
4088         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
4089         mode parameter.
4090
4091 2005-07-18  Jan Beulich  <jbeulich@novell.com>
4092
4093         * i386.md (movdi_extzv_1): New.
4094         (zero_extendhidi2): Combine alternatives and never force use of
4095         REX64 prefix.
4096         (zero_extendqidi2): Likewise. Don't restrict input selection.
4097
4098 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4099
4100         Fix PR tree-optimization/22531
4101         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
4102          moment.
4103
4104 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4105
4106         * tree-promote-statics.c (pass_promote_statics): Change dump file
4107          name.
4108
4109 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4110
4111         * tree-optimize.c (init_tree_optimization_passes): Add
4112         pass_eliminate_useless_stores pass.
4113         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
4114         * tree-ssa-pre.c (is_copy_stmt): New function.
4115         (follow_copies_till_vuse): Ditto.
4116         (do_eustores): Ditto.
4117         (gate_eustores): Ditto.
4118
4119 2005-07-16  Richard Henderson  <rth@redhat.com>
4120
4121         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
4122
4123 2005-07-16 Danny Berlin <dberlin@dberlin.org>
4124            Kenneth Zadeck <zadeck@naturalbridge.com>
4125
4126         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
4127         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
4128         ipa-type-escape.h, tree-promote-statics.c
4129         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
4130         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
4131         tree-promote-statics.c: new files.
4132         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
4133         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
4134         int nonlocal_set_p, mark_constant_function): Deleted.
4135         (rest_of_handle_cfg): Removed call to mark_constant_function.
4136         (nonoverlapping_component_refs_p): Added calls to support
4137         type based aliasing.
4138         * tree-ssa-alias.c (may_alias_p,
4139         compute_flow_insensitive_aliasing): Ditto.
4140         * calls.c (flags_from_decl_or_type): Removed reference to
4141         cgraph_rtl_info.
4142         * c-typeck.c (convert_arguments): Make builtins tolerant of having
4143         too many arguments.  This is necessary for Spec 2000.
4144         * cgraph.h (const_function, pure_function): Removed.
4145         * common.opt: Added "fipa-pure-const", "fipa-reference",
4146         "fipa-type-escape", and "ftree-promote-static".
4147         * opts.c: Ditto.
4148         * passes.c: Added ipa and tree-promote-statics passes.
4149         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
4150         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
4151         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
4152         * tree-flow.h: Added exposed sra calls and addition of
4153         reference_vars_info field for FUNCTION_DECLS.
4154         * tree-pass.h: Added passes.
4155         * tree-sra.c: (sra_init_cache): New function.
4156         (sra_insert_before, sra_insert_after) Made public.
4157         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
4158         and made public.
4159         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
4160         aliasing. (may_alias_p): Added code to use type escape analysis to
4161         improve alias sets.
4162         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
4163         code to prune clobbers of static variables based on information
4164         produced in ipa-reference pass.  Changed call clobbering so that
4165         statics are not marked as clobbered if the call does not clobber
4166         them.
4167
4168 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
4169
4170         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
4171         too.
4172
4173 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4174
4175         * doc/install.texi (*-*-solaris2*): Document recommended version
4176         of GNU binutils and mention GNU linker problem on Solaris 10.
4177
4178 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
4179
4180         PR c/22421
4181         * c-decl.c (c_build_bitfield_integer_type): New function.
4182         (finish_struct): Call it.
4183         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
4184
4185 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4186
4187         * c-typeck.c (digest_init): Call 'convert_for_assignment'
4188         before returning.
4189
4190 2005-07-16  Jan Hubicka  <jh@suse.cz>
4191
4192         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
4193         (scale_bbs_frequencies_int): Watch roundoff errors.
4194         * predict.c (return_prediction): Initialize return_stmt.
4195
4196 2005-07-16  Jan Hubicka  <jh@suse.cz>
4197
4198         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
4199         after RTL profiling.
4200
4201 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
4202
4203         PR middle-end/22398
4204         * fold-const.c (build_range_check): Convert high/low to etype
4205         if we are only comparing against exp.
4206
4207 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
4208
4209         Fix PR tree-optimization/22376
4210         * tree-ssa-structalias.c (build_constraint_graph): We really meant
4211         special var here.
4212         (need_to_solve): New function.
4213         (compute_points_to_sets): Use it.
4214
4215 2005-07-15  Jan Hubicka  <jh@suse.cz>
4216
4217         * cfg.c (update_bb_profile_for_threading): More diagnostic.
4218         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
4219
4220 2005-07-15  Richard Guenther  <rguenther@suse.de>
4221
4222         * c-common.c (handle_flatten_attribute): New function.
4223         Add flatten function attribute.
4224         * doc/extend.texi: Document flatten function attribute.
4225         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
4226         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
4227         New functions.
4228         (cgraph_decide_inlining): Handle functions with flatten
4229         attribute.
4230
4231 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
4232
4233         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
4234         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
4235         UNSPEC_XCHG, UNSPEC_AND): New.
4236         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
4237         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
4238         * config/rs6000/sync.md (FETCHOP): New code macro.
4239         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
4240         New code attrs.
4241         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
4242         (sync_compare_and_swap<mode>): Same.
4243         (sync_lock_test_and_set<mode>): Same.
4244         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
4245         for QImode and HImode, and not PPC405.
4246         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
4247         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
4248         (sync_<fetchop>{si,di}_internal): New.
4249         (sync_nand{si,di}_internal): New.
4250         (sync_old_<fetchop>{si,di}_internal): New.
4251         (sync_old_nand{si,di}_internal): New
4252         (sync_new_<fetchop>{si,di}_internal): New.
4253         (sync_new_nand{si,di}_internal): New.
4254         (atomic_and{si,di}): New.
4255         (sync_new_nand{si,di}_internal): New.
4256         (atomic_and{si,di}): New.
4257         (sync_add<mode>_internal): Delete.
4258         (sync_addshort_internal): Use unspec instead of unspec_volatile.
4259         (sync_sub<mode>_internal): Delte.
4260         (sync_subshort_internal): New.
4261         (sync_andsi_internal): Use unspec instead of unspec_volatile.
4262         (sync_anddi_internal): Delete.
4263         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
4264         (sync_booldi_internal): Delete.
4265         (sync_boolc<mode>_internal): Delete.
4266         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
4267         (sync_boolc<mode>_internal2): Delete.
4268         (sync_boolcc<mode>_internal): Delete.
4269         (isync, lwsync): Use unspec instead of unspec_volatile.
4270         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
4271         Revert UNSPEC_VOLATILE.
4272         (rs6000_split_atomic_op): New.
4273         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
4274
4275 2005-07-14  Eric Christopher  <echristo@redhat.com>
4276
4277         * config/mips/mips.c (mips_canonicalize_comparison): Cast
4278         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
4279
4280 2005-07-14  Eric Christopher  <echristo@redhat.com>
4281
4282         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
4283
4284 2005-07-14  Steven Bosscher  <stevenb@suse.de>
4285
4286         PR tree-optimization/22230
4287         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
4288         the computation of the four cross productions for "range op range".
4289
4290 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
4291             Ulrich Weigand  <uweigand@de.ibm.com>
4292
4293         PR target/20126
4294         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
4295         in some insn.
4296
4297 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
4298
4299         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
4300
4301 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
4302
4303         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
4304
4305 2005-07-14  Richard Guenther  <rguenther@suse.de>
4306
4307         PR middle-end/22347
4308         * config/i386/i386-protos.h (ix86_function_value): Change
4309         prototype to match new target hook.
4310         * config/i386/i386.c (ix86_value_regno): Change prototype
4311         to take extra type argument.
4312         (TARGET_FUNCTION_VALUE): Define.
4313         (ix86_function_ok_for_sibcall): Pass extra argument to
4314         ix86_value_regno, check return slot rtx for exact match.
4315         (ix86_function_value): Take extra parameter.  Dispatch to
4316         ix86_value_regno with fndecl/fntype as provided.
4317         (ix86_value_regno): Handle extra type argument.
4318         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
4319
4320         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
4321         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
4322         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
4323         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
4324         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
4325
4326 2005-07-14  Richard Guenther  <rguenther@suse.de>
4327
4328         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
4329         * calls.c (expand_call): Pass fntype to hard_function_value.
4330         (emit_library_call_value_1): Likewise.
4331         * explow.c: Include target.h.
4332         (hard_function_value): Take extra argument, the fntype.
4333         Use new target hook for function_value.
4334         * expr.h (hard_function_value): Change prototype.
4335         * function.c (aggregate_value_p): Pass 0 as fntype to
4336         hard_function_value.
4337         (assign_parms): Use new target hook for function_value.
4338         Pass 0 as fntype to hard_function_value.
4339         (expand_function_end): Likewise.
4340         * reg-stack.c: Include target.h.
4341         (stack_result): Use new target hook for function_value.
4342         * target-def.h: New target hook function_value.
4343         * target.h: Likewise.
4344         * targhooks.c (default_function_value): New function.
4345         * targhooks.h (default_function_value): Declare.
4346
4347 2005-07-13  Ian Lance Taylor  <ian@airs.com>
4348
4349         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4350
4351 2005-07-14  Jan Hubicka  <jh@suse.cz>
4352
4353         * tree-dfa.c (dump_variable): Use default_def function.
4354         * tree-ssa-alias.c (dump_points_to_info): Likewise.
4355         * tree-ssa.c (verify_use): Likewise.
4356         * tree-ssanames.c (release_ssa_name): Likewise.
4357         * tree-tailcall.c (eliminate_tail_call): Likewise.
4358         (tree_optimize_tail_calls_1): Likewise.
4359         * tree-vrp.c (get_value_range): Likewise.
4360
4361 2005-07-14  Ben Elliston  <bje@au.ibm.com>
4362
4363         * gcc.c (main): Compare language[0] with '*' when iterating over
4364         the infiles.
4365
4366 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
4367
4368         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
4369         "s390_emit_compare".  Add handling of CCZ1mode.
4370         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
4371         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
4372         checking.
4373         (s390_branch_condition_mask): Add CCZ1mode handling.
4374         * config/s390/s390.md: ("seq", "*seq"): New pattern.
4375         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
4376         Use CCZ1mode instead of CCZmode.
4377         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
4378
4379 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
4380
4381         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
4382         pattern.
4383         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
4384
4385 2005-07-13  Eric Christopher  <echristo@redhat.com>
4386
4387         * config/mips/mips.c (mips_canonicalize_comparison): New.
4388         (mips_emit_int_relational): Use.
4389
4390 2005-07-13  Eric Christopher  <echristo@redhat.com>
4391
4392         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4393         static extra parts.
4394         * config/s390/s390.md: Include tpf.md. Move tpf specific
4395         patterns...
4396         * config/s390/tpf.md: To here.
4397         * config/s390/s390.opt: Move tpf specific options...
4398         * config/s390/tpf.opt: to here. Add mmain option.
4399         * config/s390/tpf-unwind.h: Remove unnecessary defines.
4400         * config/s390/tpf.h: Rewrite.
4401
4402 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
4403
4404         * doc/tm.texi: Remove @xref{Cross-profiling}.
4405
4406 2005-07-13  Jeff Law  <law@redhat.com>
4407
4408         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
4409         expressions, test their _DECL operands for pointer equality rather
4410         than using operand_equal_p.
4411
4412 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
4413
4414         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
4415         (TARGET_POSIX_IO): This.
4416         * config/darwin.h: Likewise.
4417         * config/freebsd.h: Likewise.
4418         * config/linux.h: Likewise.
4419         * config/lynx.h: Likewise.
4420         * config/netbsd.h: Likewise.
4421         * config/rs6000/linux64.h: Likewise.
4422         * config/rs6000/linux.h: Likewise.
4423         * config/s390/tpf.h: Likewise.
4424         * config/sh/embed-elf.h: Likewise.
4425         * config/sparc/linux64.h: Likewise.
4426         * config/sparc/linux.h: Likewise.
4427         * config/svr4.h: Likewise.
4428         * gcov-io.h: Likewise.
4429
4430         * doc/tm.texi: Updated.
4431
4432         * libgcov.c (create_file_directory): Defined only if
4433         TARGET_POSIX_IO is defined.
4434         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
4435         is defined.
4436
4437 2005-07-13  Jan Hubicka  <jh@suse.cz>
4438
4439         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
4440
4441 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
4442
4443         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
4444         structure as argument.
4445
4446 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
4447
4448         PR tree-optimization/21921
4449         * tree-iterator.c (tsi_link_before): Support the case when
4450         tsi_end_p (tsi) == true.
4451
4452 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
4453
4454         PR tree-optimization/22442
4455         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
4456         correctly.
4457
4458 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
4459
4460         PR rtl-optimization/20376
4461         * toplev.c (process_options): Enable -fweb and -frename-registers when
4462         unrolling.
4463         * doc/invoke.texi: Update the information about when -fweb and
4464         -frename-registers are enabled.
4465
4466 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
4467
4468         PR tree-opt/21840
4469         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
4470         if *rhs_p is not a SSA_NAME.
4471
4472 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
4473
4474         Fix PR tree-optimization/22422
4475         * tree-ssa-structalias.c (struct variable_info): Add flag for
4476         special vars.
4477         (get_varinfo): Now a static function.
4478         (new_varinfo): init has_union and is_special_var to false.
4479         (solution_set_add): Check has_union.
4480         (do_da_constraint): Move temporary variable so it gets reset
4481         properly.
4482         Also check for special variable.
4483         (do_ds_constraint): Ditto.
4484         (do_sd_constraint): Ditto.
4485         (do_structure_copy): Check for special variable.
4486         (find_func_aliases): Ditto.
4487         (init_base_vars): Set special vars properly.
4488
4489 2005-07-13  Jan Hubicka  <jh@suse.cz>
4490
4491         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
4492         do unit-at-a-time.
4493
4494         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
4495         (get_expr_operands): Fix thinko wrt flags and subvars.
4496
4497         PR tree-optimize/22379
4498         * tree-inline.c (expand_call_inline): Do not output sorry in early
4499         inlining.
4500
4501 2005-07-12  Dale Johannesen  <dalej@apple.com>
4502
4503         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
4504
4505 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
4506
4507         PR bootstrap/21704
4508         * host-linux.h: Include limits.h.
4509
4510 2005-07-12  Dale Johannesen  <dalej@apple.com>
4511
4512         * expr.c (compress_float_constant):  Add cost check.
4513         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
4514
4515 2005-07-12  Dale Johannesen  <dalej@apple.com>
4516
4517         * gcc.target/i386/compress-float-sse.c:  New.
4518         * gcc.target/i386/compress-float-sse-pic.c:  New.
4519         * gcc.target/i386/compress-float-387.c:  New.
4520         * gcc.target/i386/compress-float-387-pic.c:  New.
4521         * gcc.dg/compress-float-ppc.c:  New.
4522         * gcc.dg/compress-float-ppc-pic.c:  New.
4523
4524 2005-07-12  Eric Christopher  <echristo@redhat.com>
4525
4526         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4527         static extra parts.
4528         * config/s390/s390.md: Include tpf.md. Move tpf specific
4529         patterns...
4530         * config/s390/tpf.md: To here.
4531         * config/s390/s390.opt: Move tpf specific options...
4532         * config/s390/tpf.opt: to here. Add mmain option.
4533         * config/s390/tpf-unwind.h: Remove unnecessary defines.
4534         * config/s390/tpf.h: Rewrite.
4535
4536 2005-07-12  Eric Christopher  <echristo@redhat.com>
4537
4538         * gcc.c (struct infile): Update comment for language.
4539         (main): Rewrite input file resetting code.
4540
4541 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
4542
4543         PR tree-opt/22335
4544         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
4545         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
4546         (lookup_avail_expr): Use constant_boolean_node instead
4547         of boolean_false_node/boolean_true_node.
4548
4549 2005-07-12  Ben Elliston  <bje@au.ibm.com>
4550
4551         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
4552         and use it when printing num_edges.
4553
4554 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
4555
4556         * doc/extend.texi (Blackfin Built-in Functions): New section.
4557         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
4558         @opindex.
4559
4560 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
4561
4562         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
4563         s/cmpstrsi/cmpstrnsi
4564         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
4565         'cmpstrnsi'.
4566         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
4567         (init_optabs): Initialize cmpstrn_optab.
4568         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
4569         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
4570         * expr.c: (enum insn_code cmpstrn_optab): Declare.
4571         * config/i386/i386.md: s/cmpstr/cmpstrn
4572         * config/c4x/c4x.md: s/cmpstr/cmpstrn
4573         * doc/md.texi: Update documentation.
4574
4575 2005-07-11  Richard Henderson  <rth@redhat.com>
4576
4577         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
4578         build_va_arg_indirect_ref.
4579         (alpha_gimplify_va_arg): Likewise.
4580         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
4581         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
4582         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
4583         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
4584         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
4585         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
4586         Likewise.
4587         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
4588
4589 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
4590
4591         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
4592         * passes.c (init_optimization_passes): Add pass_empty_loop.
4593         * tree-pass.h (pass_empty_loop): Declare.
4594         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
4595         try_remove_empty_loop, remove_empty_loops): New functions.
4596         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
4597         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
4598
4599 2005-07-12  Peter Barada  <peter@the-baradas.com>
4600
4601         PR middle-end/16719
4602         PR middle-end/18421
4603         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
4604         in address registers.
4605         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
4606         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
4607         alternative of addsi3_5200.
4608
4609 2005-07-11  Ian Lance Taylor  <ian@airs.com>
4610
4611         * config/mips/mips.md (ffs<mode>2): Remove.
4612
4613 2005-07-11  Ian Lance Taylor  <ian@airs.com>
4614
4615         * doc/tree-ssa.texi (Cleanups): Improve description of
4616         TRY_FINALLY_EXPR.
4617         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
4618
4619 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
4620
4621         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
4622         * tree.h (DECL_ARGUMENT_FLD): New macro.
4623
4624 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
4625
4626         Fix PR tree-optimization/22404
4627
4628         * tree-ssa-structalias.c (create_variable_info_for): Use
4629         correct offset.
4630
4631 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4632
4633         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
4634         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
4635         for second comparison operand.
4636         * config/bfin/predicates.md (reg_or_const_int_operand): New.
4637
4638         * config/bfin/bfin.md (define_attr "type"): Add "sync".
4639         (define_insn_reservation "alu"): Likewise.
4640         (csync, ssync): Now of type sync.
4641         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
4642         -mcsync-anomaly -mspecld-anomaly.
4643         * config/bfin/bfin.opt (mcsync): Remove.
4644         (mcsync-anomaly, mspecld-anomaly): Add.
4645         * config/bfin/bfin.c: Include "insn-codes.h".
4646         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
4647         (TARGET_DEFAULT_TARGET_FLAGS): New.
4648         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
4649
4650 2005-07-11  Steven Bosscher  <stevenb@suse.de>
4651
4652         * basic-block.h: Give the BB flags enum a name, bb_flags.
4653         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
4654         * cfgcleanup.c (enum bb_flags): Remove here.
4655         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
4656         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
4657         (update_forwarder_flag): Likewise.
4658         (thread_jump): Likewise.
4659         (try_forward_edges): Likewise.
4660         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
4661         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
4662         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
4663
4664 2005-07-11  Richard Guenther  <rguenther@suse.de>
4665
4666         * config/i386/i386.opt: New target option -msseregparm.
4667         * config/i386/i386.c (override_options): Error out for
4668         -msseregparm but no SSE support.
4669         (ix86_function_sseregparm): Check for global sseregparm.
4670         * doc/invoke.texi: Document -msseregparm.
4671
4672 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4673
4674         * config.gcc (m32r-*-linux*): Use the default extra_parts.
4675         (m32rle-*-linux*): Ditto.
4676
4677 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
4678
4679         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
4680         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
4681         bytes.
4682
4683 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4684
4685         PR middle-end/22239
4686         PR target/20126
4687         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
4688         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
4689
4690 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
4691
4692         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
4693         (varmap): Heapify varmap.
4694         (constraints): Heapify constraints.
4695         (struct constraint_graph): Heapify succs and preds.
4696         (constraint_vec_find): Update for heapification.
4697         (constraint_set_union): Ditto.
4698         (insert_into_complex): Ditto.
4699         (constraint_edge_vec_find): Ditto.
4700         (erase_graph_self_edge): Ditto.
4701         (add_graph_edge): Ditto.
4702         (get_graph_weights): Ditto.
4703         (merge_graph_nodes): Ditto.
4704         (build_constraint_graph): Ditto.
4705         (topo_visit): Ditto.
4706         (solve_graph): Ditto.
4707         (create_variable_info_for): Ditto.
4708         (init_base_vars): Ditto.
4709         (delete_points_to_sets): Free graph, varmap, and complex constraints.
4710         (condese_varmap_nodes): Free complex vector.
4711         (clear_edges_for_node): Clear succs and preds vector.
4712
4713 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
4714
4715         * tree-ssa-structalias.c (update_alias_info): Change counting of
4716         references to not include vdefs.
4717
4718 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
4719
4720         * tree-ssa-alias.c (free_used_part_map): Add missing free.
4721         (up_insert): Ditto.
4722
4723 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4724
4725         * pa.c (pa_commutative_p): Make PLUS commutative when
4726         TARGET_NO_SPACE_REGS is true.
4727
4728 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
4729
4730         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
4731         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
4732         * tree-dfa.c (dump_subvars_for): New.
4733         (debug_subvars_for): New.
4734         (dump_variable): Show subvariables if VAR has them.
4735         * tree-flow-inline.h (get_subvar_at): New.
4736         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
4737         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
4738         Update all users.
4739         (struct subvar): Change fields offset and size to unsigned
4740         HOST_WIDE_INT.
4741         (dump_subvars_for): Declare.
4742         (debug_subvars_for): Declare.
4743         (get_subvar_at): Declare.
4744         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
4745         to unsigned HOST_WIDE_INT *.
4746         (overlap_subvar): Likewise.
4747         * tree-gimple.c (is_gimple_reg): Always return false for
4748         SFTs and memory tags.
4749         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
4750         Update all callers.
4751         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
4752         (compute_may_aliases): Call compute_points_to_sets.
4753         (collect_points_to_info_for): Remove.
4754         (compute_points_to_and_addr_escape): Remove.
4755         (delete_alias_info): Call delete_points_to_sets.
4756         (compute_flow_sensitive_aliasing): If the call to
4757         find_what_p_points_to returns false, call set_pt_anything.
4758         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
4759         (set_pt_anything): Clear pi->pt_vars.
4760         (set_pt_malloc): Remove.
4761         (merge_pointed_to_info): Remove.
4762         (add_pointed_to_expr): Remove.
4763         (add_pointed_to_var): Remove.
4764         (collect_points_to_info_r): Remove.
4765         (is_escape_site): Make extern.
4766         (create_sft): New.
4767         (create_overlap_variables_for): Call it.
4768         * tree-ssa-copy.c (merge_alias_info): Never merge
4769         flow-sensitive alias information.
4770         * tree-ssa-operands.c (get_expr_operands): Adjust variables
4771         offset and size to be unsigned HOST_WIDE_INT.
4772         (add_to_addressable_set): Rename from note_addressable.
4773         Set TREE_ADDRESSABLE as the variables are added to the set.
4774         Update all users.
4775         (add_stmt_operand): Do not try to micro-optimize unmodifiable
4776         operands into VUSEs when adding V_MAY_DEFs for members in an
4777         alias set.
4778         * tree-ssa-operands.h (add_to_addressable_set): Declare.
4779         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
4780         (struct variable_info): Add bitfield is_heap_var.
4781         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
4782         (new_var_info): Initialize is_heap_var.
4783         (get_constraint_for): Add HEAP variables to the symbol table.
4784         Mark them with is_heap_var.
4785         (update_alias_info): New.  Taken mostly from the old
4786         compute_points_to_and_addr_escape.
4787         (handle_ptr_arith): New.
4788         (find_func_aliases): Call update_alias_info.
4789         Call handle_ptr_info for tcc_binary expressions.
4790         Call mark_stmt_modified.
4791         (create_variable_info_for): If DECL has subvars, do not create
4792         variables for its subvars.  Always add all the fields.
4793         (set_uids_in_ptset): If the solution includes ANYOFFSET and
4794         SFTs, then add all the SFTs of the structure.
4795         If VI->DECL is an aggregate with subvariables, add the SFT at
4796         VI->OFFSET.
4797         (find_what_p_points_to): If VI is an artificial variable,
4798         translate to bitfields in SSA_NAME_PTR_INFO.
4799         If the solution is empty, set pi->pt_vars to NULL
4800         (init_base_vars): Create ANYOFFSET.
4801         (compute_points_to_sets): Rename from create_alias_vars.
4802         Make extern.
4803         (pass_build_pta): Remove.
4804         (delete_points_to_sets): Rename from delete_alias_vars.
4805         (pass_del_pta): Remove.
4806         * tree-ssa-structalias.h (struct alias_info): Move from
4807         tree-ssa-alias.h.
4808         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
4809         NUM_REFERENCES_SET): Likewise.
4810         (compute_points_to_sets, delete_points_to_sets): Declare.
4811
4812 2005-07-09  Richard Henderson  <rth@redhat.com>
4813
4814         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
4815         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
4816         alpha_split_lock_test_and_set_12): New functions.
4817         * config/alpha/alpha-protos.h: Update.
4818         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
4819         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
4820         * config/alpha/sync.md (I12MODE): New.
4821         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
4822         (sync_<fetchop_name><I48MODE>): Likewise.
4823         (sync_nand<I48MODE>): Likewise.
4824         (sync_old_<fetchop_name><I48MODE>): Likewise.
4825         (sync_new_<fetchop_name><I48MODE>): Likewise.
4826         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
4827         (sync_compare_and_swap<I48MODE>): Likewise.
4828         (sync_lock_test_and_set<I48MODE>): Likewise.
4829         (sync_compare_and_swap<I12MODE>): New.
4830         (sync_compare_and_swap<I12MODE>_1): New.
4831         (sync_lock_test_and_set<I12MODE>): New.
4832         (sync_lock_test_and_set<I12MODE>_1): New.
4833
4834 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
4835
4836         PR 21356
4837         PR 22332
4838         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
4839
4840 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
4841
4842         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
4843         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
4844
4845 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
4846
4847         PR target/21656
4848         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4849
4850 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
4851
4852         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
4853         memory_operand constraint.
4854         (store_conditional_<mode>): Same.
4855         (sync_compare_and_swap<mode>): Same.
4856         (sync_lock_test_and_set<mode>): Same.
4857
4858 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
4859
4860         Rewrite PIC support to more closely model actual instructions.
4861         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
4862         (cris_symbol): Remove prototypes for removed functions.
4863         (cris_pic_symbol_type_of, cris_valid_pic_const)
4864         (cris_expand_pic_call_address): Prototypes for new functions.
4865         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
4866         variable.
4867         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
4868         modifiers.
4869         <case ':'>: Add case for new punctuation character.
4870         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
4871         emitting (extra) PIC modifier.
4872         <case UNSPEC>: Do not assert for PLT.
4873         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
4874         (cris_expand_prologue, cris_expand_epilogue): Check
4875         for pic_offset_table_rtx usage instead of taking
4876         current_function_uses_pic_offset_table as the final word.
4877         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
4878         Remove flag_pic difference.
4879         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
4880         the moral equivalents of...
4881         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
4882         functions.
4883         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
4884         (cris_handle_option): Mark ARG as unused.
4885         (cris_expand_pic_call_address): New worker function for "call",
4886         "call_value".
4887         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
4888         output PIC constructs here.
4889         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
4890         as symbol-specific modifers, not whole or part of operands.
4891         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
4892         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
4893         constants and flag_pic.
4894         (CONSTANT_INDEX_P): Adjust for new functions.
4895         (enum cris_pic_symbol_type): New helper type.
4896         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
4897         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
4898         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
4899         define_constants.
4900         ("movsi"): Emit actual instructions for GOT and relative access.
4901         ("*movsi_got_load"): New pattern to set up the register holding
4902         the GOT pointer.
4903         ("*movsi_internal"): Operand 1 is not a plain general_operand.
4904         Adjust FIXME for 'S'.
4905         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
4906         Use "movs" for -fpic cases.
4907         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
4908         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
4909         ("call", "call_value"): Just call cris_expand_pic_call_address for
4910         PIC addresses.
4911         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
4912         Remove special pattern.
4913         ("*expanded_call_side", "*expanded_call_value_side"): New
4914         patterns.
4915         (gotplt-to-plt, gotplt-to-plt-side-call)
4916         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
4917         peephole2:s.
4918         * config/cris/cris/predicates.md
4919         ("cris_general_operand_or_gotless_symbol"): Remove unused
4920         predicate.
4921         ("cris_general_operand_or_symbol"): Adjust for new functions.
4922
4923 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
4924
4925         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
4926
4927 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
4928
4929         * Makefile.in (TREE_H): Add treestruct.def.
4930         (c-decl.o): Add pointer-set.h
4931         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
4932         visibility on regular DECL's.
4933         (merge_decls): Fix the copying of decl nodes of various types for
4934         the new structures.  Don't update RTL, section name, weak status,
4935         etc, on DECL's without RTL.
4936         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
4937         Don't check volatile on non-variable types.
4938         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
4939         to check whether we have seen arguments.
4940         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
4941         flag is checked before field (flag is common, field is not).
4942         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
4943         TS_DECL_COMMON could have an origin.
4944         (add_location_or_const_value_attribute): Don't check section name
4945         on non-var/function decls.
4946         (dwarf2out_var_location): Reverse order of tests.
4947         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
4948         with DECL_WRTL_CHECK.
4949         * expmed.c (make_tree): rtl is now in decl_with_rtl.
4950         * fold-const.c (fold_binary): Don't check weakness on
4951         non-var/function decls.
4952         (tree_expr_nonzero_p): Ditto.
4953         (fold_checksum_tree): Use tree_decl_extra as sizeof
4954         buffer.
4955         * ggc-page.c (extra_order_size_table): Add sizes for
4956         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
4957         tree_field_decl.
4958         * gimplify.c (gimplify_bind_expr): Only set
4959         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
4960         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
4961         without RTL.
4962         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
4963         * langhooks.h (init_ts). New langhook.
4964         * passes.c (rest_of_decl_compilation): Reverse order of tests.
4965         * print-tree.c (print_node): Update to only print fields that
4966         exist in the structures the passed decl has.
4967         * toplev.c (wrapup_global_declarations): Don't reset
4968         DECL_DEFER_OUTPUT on DECL's that don't contain it.
4969         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
4970         * tree-inline.c (remap_decl): Ditto.
4971         * tree-outof-ssa.c (create_temp): Reverse order of tests.
4972         * tree-pretty-print.c (print_declaration): Don't print
4973         DECL_REGISTER on things that don't contain it.
4974         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
4975         non-var/function decls.
4976         * tree.c (tree_contains_struct): New structure.
4977         (init_priority_for_decl): New hashtable.
4978         (tree_int_map): New structure.
4979         (tree_int_map_eq): New function.
4980         (tree_int_map_marked_p): Ditto.
4981         (tree_int_map_hash): Ditto.
4982         (tree_map): Move to tree.h.
4983         (tree_map_eq): Externalize.
4984         (tree_map_hash): Ditto.
4985         (tree_map_marked_p): Ditto.
4986         (init_ttree): Set up tree_contains_struct and call langhook.
4987         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
4988         (tree_code_size): Update for new structures.
4989         (tree_node_structure): Update for new structures.
4990         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
4991         without the field.
4992         (copy_node_stat):  Copy init priority.
4993         (build_decl_stat): Ditto for visibility.
4994         (ts_enum_names): New.
4995         (tree_contains_struct_check_failed): New function.
4996         (decl_init_priority_lookup): Ditto.
4997         (decl_init_priority_insert): Ditto.
4998         * treestruct.def: New file.
4999         * tree.h (CODE_CONTAINS_STRUCT): New macro.
5000         (CONTAINS_STRUCT_CHECK): Ditto.
5001         (tree_contains_struct_check_failed): New prototype.
5002         (DECL_CHECK): Removed.
5003         (DECL_MINIMAL_CHECK): New.
5004         (DECL_COMMON_CHECK): Ditto.
5005         (DECL_WRTL_CHECK): Ditto.
5006         (DECL_NON_COMMON_CHECK): Ditto.
5007         (DECL_WITH_VIS_CHECK): Ditto.
5008         (VAR_OR_FUNCTION_DECL_P): Ditto
5009         (struct tree_decl_minimal): New structure.
5010         (struct tree_decl_common): Ditto.
5011         (struct tree_decl_with_rtl): Ditto.
5012         (struct tree_decl_with_vis): Ditto.
5013         (struct tree_decl_non_common): Ditto.
5014         (struct tree_field_decl): Ditto.
5015         (struct tree_parm_decl): Ditto.
5016         (struct tree_var_decl): Ditto.
5017         (struct tree_function_decl): Ditto.
5018         (struct tree_const_decl): Ditto.
5019         (struct tree_result_decl): Ditto.
5020         (union tree_node): Add new structures.
5021         * var-tracking.c (track_expr_p): Reverse order of tests.
5022
5023         * doc/c-tree.texi: Add documentation on DECL node internal structure.
5024
5025 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
5026
5027         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
5028         * system.h: Poison FINALIZE_PIC.
5029         * doc/tm.texi (FINALIZE_PIC): Remove.
5030
5031 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5032
5033         PR tree-opt/22329
5034         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
5035         to the correct type if we have a MODIFY_EXPR.
5036
5037 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
5038
5039         PR tree-optimization/22360
5040         * tree.c (upper_bound_in_type): Fix calculations for casting
5041         to a non-wider signed type and casting a signed value to a
5042         wider unsigned type.
5043         (lower_bound_in_type): Fix calculations for casting to a
5044         non-wider signed type.
5045
5046         PR tree-optimization/20139
5047         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
5048         release_defs.
5049         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
5050         fold_cond_expr_cond.
5051         * tree-ssanames.c (release_defs): Assert in_ssa_p.
5052         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
5053
5054 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5055
5056         PR tree-opt/22356
5057         * tree-complex.c (expand_complex_libcall): Produce
5058         REALPART_EXPR/IMAGPART_EXPR with the correct type.
5059
5060 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
5061
5062         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
5063         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
5064         b" assert and inserted fastpath code for this case.
5065         (bitmap_ior): Removed "a != b" assert.
5066
5067 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5068
5069         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
5070         (ENDFILE_SPEC): Likewise.
5071         * config/m32r/m32r.h (ASM_SPEC): Likewise.
5072
5073         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
5074         a large stack frame at epilogue.
5075
5076 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
5077
5078         * final.c: Include sdbout.h when required.
5079
5080 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
5081
5082         * config.gcc (*-*-darwin*): Only one target-specific header file
5083         for generic darwin.
5084         (powerpc-*-darwin*): Add version-specific header files.
5085         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
5086         * config.in: Regenerate.
5087         * configure: Regenerate.
5088         * gcc.c: Include xregex.h.
5089         (version_compare_spec_function): New.
5090         (spec_function): Add version-compare.
5091         (replace_outfile_spec_function): Reformat comment.
5092         (compare_version_strings): New.
5093         * config/darwin-c.c (version_as_macro): New.
5094         (builtin_define): New.
5095         (darwin_cpp_builtins): New.
5096         * config/darwin-protos.h (darwin_cpp_builtins): New.
5097         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
5098         (LIB_SPEC): Make unconditional, update comment.
5099         (TARGET_C99_FUNCTIONS): Define.
5100         * config/darwin.opt: Sort.
5101         (mmacosx-version-min=): New.
5102         * config/darwin7.h: Delete.
5103         * config/darwin8.h: Delete.
5104         * config/i386/darwin.h (): Call darwin_cpp_builtins.
5105         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
5106         (TARGET_C99_FUNCTIONS): Define.
5107         * config/rs6000/darwin7.h: New.
5108         * config/rs6000/darwin8.h: New.
5109         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
5110         (-mmacosx-version-min): Document.
5111
5112 2005-07-07  Ian Lance Taylor  <ian@airs.com>
5113
5114         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
5115
5116 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
5117
5118         PR middle-end/22239
5119         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
5120
5121 2005-07-07  Khem Raj  <kraj@mvista.com>
5122
5123         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
5124         in bytes, not words.
5125
5126 2005-07-07  Paul Brook  <paul@codesourcery.com>
5127
5128         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
5129         DEFAULT_FUNCTION_ARG_PADDING to upward.
5130
5131 2005-07-07  Richard Henderson  <rth@redhat.com>
5132
5133         * function.c (locate_and_pad_parm): Record parameter alignment in
5134         stack_alignment_needed.
5135
5136 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
5137
5138         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
5139         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
5140         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
5141         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
5142         (define_attr "type"): Add isync, sync, load_l, store_c.
5143         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
5144         Create scratch volatile MEM.
5145         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
5146         sync.
5147         (load_locked_<mode>): New.
5148         (store_conditional_<mode>): New.
5149         (sync_compare_and_swap<mode>): Replace with splitter.
5150         (sync_lock_test_and_set<mode>): Replace with splitter.
5151         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
5152         and UNSPECV_ISYNC.
5153         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
5154         is ics.  Attribute isync.
5155         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
5156         lwsync.
5157         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
5158         and UNSPECV_SYNC_OP.
5159         (emit_unlikely_jump): New.
5160         (emit_load_locked): New.
5161         (emit_store_conditional): New.
5162         (rs6000_split_compare_and_swap): New.
5163         (rs6000_split_lock_test_and_set): New.
5164         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
5165         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
5166         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
5167         rs6000_split_lock_test_and_set): Declare.
5168         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
5169         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
5170         store_c, isync, sync.
5171
5172 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
5173
5174         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
5175         filenames to gtyp-gen.h.
5176         (s-typ-gen): Use it in place of for loops.
5177
5178 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
5179
5180         * hooks.c (hook_bool_rtx_int_false): New function.
5181         * hooks.h (hook_bool_rtx_int_false): Declare.
5182         * target-def.h (TARGET_COMMUTATIVE_P): Define.
5183         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
5184         * target.h (struct gcc_target): Add commutative_p member.
5185         * targhooks.c (hook_bool_rtx_commutative_p): New function.
5186         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
5187         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
5188         (pa_commutative_p): New function.
5189         * jump.c (target.h): Include.
5190         (rtx_renumbered_equal_p): Use targetm.commutative_p.
5191         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
5192
5193 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5194
5195         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
5196         (s390_expand_setmem): New.
5197         * config/s390/s390.c: Likewise.
5198         (print_shift_count_operand): Truncate to 12 bits instead of 6.
5199         Adapt comments.
5200         * config/s390/s390.md: ("setmem<mode>"): Accept character as
5201         general_operand.  Call new function "s390_expand_setmem".
5202         ("clrmem_long", "*clrmem_long"): Rewrite to ...
5203         ("setmem_long", "*setmem_long"): ... this.
5204
5205 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5206
5207         * config/s390/s390.c: (optimization_options): Enable
5208         TARGET_MVCLE at -Os.
5209         * doc/invoke.texi: Document changes in default behaviour.
5210         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
5211
5212 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5213
5214         * expr.c: (set_storage_via_setmem): Convert opchar to mode
5215         defined by back-end.
5216
5217 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
5218
5219         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
5220         all sets in the pattern.
5221         * config/rs6000/rs6000.md (stack_protect_testsi,
5222         stack_protect_testdi): Likewise.
5223
5224 2005-07-06  Jeff Law  <law@redhat.com>
5225
5226         * tree-vrp.c (simplify_using_ranges): Kill.
5227         (vrp_finalize): Remove call to simplify_using_ranges.
5228         (simplify_stmt_using_ranges): New function extracted from
5229         simplify_using_ranges.
5230         (simplify_div_or_mod_using_ranges): Likewise.
5231         (simplify_abs_using_ranges): Likewise.
5232         (simplify_cond_using_ranges): New function.
5233         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
5234         * tree-ssa-propagate.c (substitute_and_fold): Call
5235         simplify_stmt_using_ranges if we have range information.
5236
5237 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
5238
5239         * config/ia64/ia64.c (ia64_reorg): Check optimize before
5240         ia64_flag_schedule_isns2.
5241
5242         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
5243         reading/writing general registers.
5244         (ia64_function_arg): Revert 2005-06-18 change.
5245
5246 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
5247
5248         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
5249         (legitimize_tls_address): Use gcc_unreachable instead of abort.
5250
5251 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
5252
5253         * function.c (expand_function_end): Revert part of 2005-06-27
5254         patch.  Do sjlj_emit_function_exit_after after return_label.
5255
5256 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
5257
5258         * doc/install.texi (--disable-libssp): New.
5259
5260 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
5261
5262         * doc/invoke.texi: Update -fforce-mem documentation.
5263         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
5264         code for -fforce-mem.
5265         * expmed.c: (store_bit_field,store_fixed_bit_field,
5266         extract_bit_field): Ditto.
5267         * expr.c: (convert_move): Ditto.
5268         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
5269         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
5270         emit_conditional_add,expand_float,expand_fix): Ditto.
5271         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
5272         (common_handle_option): Issue warning when -fforce-mem specified.
5273
5274 2005-07-06  Paul Brook  <paul@codesourcery.com>
5275
5276         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
5277         argument is empty.
5278         * configure: Regenerate.
5279
5280 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
5281
5282         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
5283
5284 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
5285
5286         Fix PR tree-optimization/22319
5287         Fix PR tree-optimization/22140
5288         Fix PR tree-optimization/22310
5289
5290         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
5291         variable sized types.
5292         Use correct type for intermediate structure on *a = *b structure
5293         copies.
5294
5295 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
5296
5297         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
5298         Remove.
5299         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
5300         (machine_function): Move typedef to...
5301         * config/rs6000/rs6000.c (machine_function): ... here.  Add
5302         varargs_save_offset field.
5303         (rs6000_stack_t): Remove varargs_size field.
5304         (setup_incoming_varargs): Allocate varargs save area using
5305         assign_stack_local, try to make it as small as possible.
5306         Save offset from virtual_stack_vars_rtx to the save area
5307         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
5308         instead of magic 8 when fp word byte size is used.
5309         (rs6000_va_start): Use cfun->machine->varargs_save_offset
5310         instead of -RS6000_VARARGS_SIZE.
5311         (rs6000_stack_info, debug_stack_info,
5312         rs6000_initial_elimination_offset): Remove all traces of
5313         varargs_size.
5314         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
5315         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
5316         RS6000_VARARGS_AREA.
5317
5318 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
5319
5320         PR tree-optimization/21963
5321         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
5322         constant_multiple_of in the same way get_computation_cost_at does.
5323
5324 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
5325
5326         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
5327         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
5328         (gen_compare_reg): If sparc_compare_emitted is set, clear it
5329         and return its previous value.
5330         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
5331         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
5332         constants.
5333         (stack_protect_set, stack_protect_test): New expanders.
5334         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
5335         stack_protect_testdi): New insns.
5336         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5337         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
5338
5339 2005-07-06  Jeff Law  <law@redhat.com>
5340
5341         * tree-ssa-dce.c (cfg_altered): New global.
5342         (tree_dce_init): Initialize cfg_altered.
5343         (remove_dead_stmt): If we remove an edge in the CFG, then set
5344         CFG_ALTERED.
5345         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
5346         the dominators.
5347
5348 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
5349
5350         * Makefile.in (stamp-collect-ld): Use
5351         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
5352         ./collect-ld if it already exists.
5353         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
5354         Don't remove ./nm if it already exists.
5355
5356 2005-07-05  Devang Patel  <dpatel@apple.com>
5357
5358         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
5359         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
5360         * tree-vectorizer.c (vect_loop_location): New.
5361         (vect_print_dump_info): Use vect_loop_location.
5362         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
5363         (vectorize_loops): Set vect_loop_location.
5364         * tree-vect-analyze.c (vect_analyze_offset_expr,
5365         vect_determin_vectorization_factor, vect_analyze_operations,
5366         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
5367         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
5368         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
5369         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
5370         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
5371         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
5372         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
5373         vect_analyze_loop): Adjust vect_print_dump_info API.
5374         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5375         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
5376         vect_finish_stmt_generation, vectorizable_assignment,
5377         vectorizable_operation, vectorizable_store, vectorizable_load,
5378         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
5379         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
5380         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
5381         vect_transform_loop): Same.
5382         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
5383         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
5384         Same.
5385
5386 2005-07-05  Randolph Chung  <tausq@debian.org>
5387
5388         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
5389         * configure: Regenerate.
5390         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
5391         (pa_tls_referenced_p): Declare.
5392         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
5393         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
5394         (legitimize_tls_address): New.
5395         (hppa_legitimize_address): Handle TLS addresses.
5396         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
5397         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5398         (emit_move_sequence): Handle TLS addresses.
5399         (pa_encode_section_info): Call default handler to handle common
5400         sections.
5401         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
5402         (CONSTANT_ADDRESS_P): Reject TLS operands.
5403         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
5404         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
5405         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
5406         (UNSPEC_TLSLE): Define new constants.
5407         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
5408         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
5409         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
5410         (tie_symbolic_operand, tle_symbolic_operand): New
5411
5412 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
5413
5414         * aclocal.m4: Update macros for autoconf 2.59 style.
5415         * configure.ac: Likewise.
5416
5417 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5418
5419         * pa.c (function_value): Handle small aggregates on 32-bit targets.
5420         (function_arg): Pass small aggregates in general registers on 32-bit
5421         targets.
5422         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
5423
5424 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
5425
5426         * Makefile.in (final.o): Fix dependencies.
5427
5428 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
5429
5430         PR c/22013
5431         PR c/22098
5432         * langhooks.h (struct lang_hooks): Add expr_to_decl.
5433         * langhooks.c (lhd_expr_to_decl): New.
5434         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
5435         New.
5436         (LANG_HOOKS_INITIALIZER): Update.
5437         * tree.c (recompute_tree_invarant_for_addr_expr): Call
5438         expr_to_decl langhook.
5439         * c-tree.h (c_expr_to_decl): Declare.
5440         * c-typeck.c (c_expr_to_decl): New.
5441         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
5442         specially.
5443         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
5444
5445 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
5446
5447         PR c/22308
5448         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
5449         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
5450
5451 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
5452
5453         * Makefile.in: Adjust dependencies.
5454         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
5455         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
5456         * alias.c (rest_of_handle_cfg, pass_cfg): New.
5457         * bb-reorder.c (duplicate_computed_gotos): Make it static.
5458         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
5459         rest_of_compilation.
5460
5461         * bb-reorder.c (gate_duplicate_computed_gotos,
5462         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
5463         rest_of_handle_reorder_blocks, pass_reorder_blocks,
5464         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
5465         pass_partition_blocks): New.
5466         * bt-load.c (gate_handle_branch_target_load_optimize,
5467         rest_of_handle_branch_target_load_optimize,
5468         pass_branch_target_load_optimize): New.
5469         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
5470         pass_jump2): New.
5471         * cfglayout.c (pass_insn_locators_initialize): New.
5472         * cfgrtl.c (pass_free_cfg): New.
5473         * combine.c (gate_handle_combine, rest_of_handle_combine,
5474         pass_combine): New.
5475         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
5476         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
5477         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
5478         * except.c (pass_set_nothrow_function_flags,
5479         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
5480         pass_rtl_eh): New.
5481         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
5482         rest_of_handle_shorten_branches, pass_shorten_branches,
5483         rest_of_clean_state, pass_clean_state): New.
5484         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
5485         rest_of_handle_remove_death_notes, pass_remove_death_notes,
5486         rest_of_handle_life, pass_life, rest_of_handle_flow2,
5487         pass_flow2): New.
5488         * function.c (pass_instantiate_virtual_regs, pass_init_function,
5489         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
5490         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
5491         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
5492         pass_gcse): New.
5493         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
5494         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
5495         pass_rtl_ifcvt, gate_handle_if_after_combine,
5496         rest_of_handle_if_after_combine, pass_if_after_combine,
5497         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
5498         pass_if_after_reload): New.
5499         * integrate.c (pass_initial_value_sets): New.
5500         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
5501         pass_purge_lineno_notes): New.
5502         * mode-switching.c (rest_of_handle_mode_switching,
5503         pass_mode_switching): New.
5504         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
5505         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
5506         pass_loop2): New.
5507         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
5508         pass_loop_optimize): New.
5509         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
5510         pass_sms): New.
5511         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
5512         pass_gcse2): New.
5513         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
5514         pass_postreload_cse): New.
5515         * profile.c (gate_handle_profiling, pass_profiling,
5516         rest_of_handle_branch_prob, pass_branch_prob): New.
5517         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
5518         pass_split_before_regstack, gate_handle_split_before_regstack,
5519         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
5520         rest_of_handle_split_all_insns, pass_split_all_insns): New.
5521         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
5522         pass_stack_regs): New.
5523         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
5524         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
5525         pass_stack_adjustments): New.
5526         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
5527         pass_regrename): New.
5528         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
5529         pass_delay_slots, gate_handle_machine_reorg,
5530         rest_of_handle_machine_reorg, pass_machine_reorg): New.
5531         * rtl.h (extern void purge_line_number_notes): New.
5532         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
5533         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
5534         pass_sched2): New.
5535         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
5536         pass_tracer): New.
5537         * value-prof.c (gate_handle_value_profile_transformations,
5538         rest_of_handle_value_profile_transformations,
5539         pass_value_profile_transformations): New.
5540         * var-tracking.c (gate_handle_var_tracking,
5541         pass_variable_tracking): New.
5542         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
5543
5544         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
5545         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
5546         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
5547         rest_of_handle_old_regalloc, rest_of_handle_regrename,
5548         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
5549         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
5550         rest_of_handle_gcse2, rest_of_handle_regmove,
5551         rest_of_handle_tracer, rest_of_handle_if_conversion,
5552         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
5553         rest_of_handle_web, rest_of_handle_branch_prob,
5554         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
5555         rest_of_handle_jump_bypass, rest_of_handle_combine,
5556         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5557         rest_of_handle_gcse, rest_of_handle_loop_optimize,
5558         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
5559         rest_of_handle_mode_switching, rest_of_handle_jump,
5560         rest_of_handle_eh, rest_of_handle_stack_adjustments,
5561         rest_of_handle_flow2, rest_of_handle_jump2,
5562         rest_of_handle_peephole2, rest_of_handle_postreload,
5563         rest_of_handle_shorten_branches, rest_of_clean_state,
5564         rest_of_compilation): Remove.
5565
5566         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
5567         * passes.c (dump_flags, in_gimple_form, all_passes,
5568         all_ipa_passes, all_lowering_passes, register_one_dump_file,
5569         register_dump_files, next_pass_1, last_verified, execute_todo,
5570         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
5571         from tree-optimize.c.
5572         (init_optimization_passes): Moved from tree-optimize.c,
5573         adding the RTL optimizations.
5574         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
5575         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
5576         all_ipa_passes, all_lowering_passes, register_one_dump_file,
5577         register_dump_files, next_pass_1, last_verified, execute_todo,
5578         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
5579         init_tree_optimization_passes, ipa_passes): Delete.
5580         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
5581         the RTL dumps.
5582         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
5583         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
5584         from tree.h.
5585         (ipa_passes): Remove.
5586         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
5587         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
5588         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
5589         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
5590         (dump_info_p, dump_flag): Moved to tree-dump.h.
5591
5592         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
5593         cgraph.c, opts.c.
5594         * passes.c (finish_optimization_passes): Use dump_begin
5595         and dump_end, TDI_end.
5596         (gate_rest_of_compilation): New.
5597         (pass_rest_of_compilation): Use it.
5598         (gate_postreload, pass_postreload): New.
5599         * toplev.c (general_init): Rename init_tree_optimization_passes.
5600         * toplev.h (init_tree_optimization_passes): Rename to
5601         init_optimizations_passes.
5602         * tree-dump.c (dump_flag): Make static.
5603         (dump_files): Remove RTL dumps.
5604         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
5605         pass_cleanup_cfg, pass_free_cfg_annotations,
5606         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
5607         pass_init_datastructures, pass_fixup_cfg): Make non-static.
5608         * tree-pretty-print.c: Include tree-pass.h.
5609         * cgraph.c: Include tree-dump.h.
5610
5611 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
5612
5613         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
5614         Only fall back to saying it points to readonly memory if
5615         we can't do better.
5616
5617 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
5618
5619         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
5620         * config/m32r/m32r.c (m32r_compute_frame_size,
5621         m32r_expand_prologue): Take current_function_profile into
5622         account whenever we reference
5623         current_function_uses_pic_offset_table.
5624         (m32r_finalize_pic): Remove.
5625         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
5626
5627 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
5628
5629         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
5630         instead of $<.  Don't remove ./as if it already exists.
5631
5632 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5633
5634         PR target/21723
5635         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
5636         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
5637         for complex modes when generating code for PA 1.0.
5638         (VALID_FP_MODE_P): New macro.
5639         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
5640         sets for all general and floating point modes.  Align wide floating
5641         point modes to even register boundaries to comply with architectural
5642         requirements.
5643         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
5644         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
5645         (VALID_FP_MODE_P): New macro.
5646         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
5647         sets for all general and floating point modes.  Align wide floating
5648         point modes to even register boundaries to comply with architectural
5649         requirements.
5650
5651 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
5652
5653         * tree-dump.c (dump_files): Initialize dump number for .cgraph
5654         to 0.
5655
5656 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
5657
5658         * tree-ssa-structalias.c: Don't include expr.h.
5659
5660 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
5661
5662         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
5663         comments.
5664
5665 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
5666
5667         Fix PR tree-optimization/22279
5668
5669         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
5670         correct operator.
5671
5672 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
5673
5674         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
5675
5676 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
5677
5678         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
5679         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
5680         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
5681         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
5682         config/stormy16/stormy16.c, config/v850/v850.c,
5683         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
5684         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
5685         Avoid "." or "\n" at end of diagnostics and capital letters at
5686         start of diagnostics.
5687         * combine.c, cse.c: Don't translate dump file output.
5688         * toplev.c (print_version): Only translate output if going to
5689         stderr.
5690
5691 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
5692
5693         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
5694         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
5695         typos.
5696
5697 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5698
5699         * pa.c (fix_range): Fix typo in comment.
5700
5701 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
5702
5703         * tree-vrp.c (extract_range_from_assert): Replace
5704         fold (build (...)) with fold_build2.
5705
5706 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5707
5708         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
5709         gcc_gfc_char_table, init_dynamic_gfc_info): New.
5710         (format_types_orig, handle_format_attribute): Add support for
5711         format "gcc_gfc".
5712
5713 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5714
5715         * varasm.c (assemble_variable): Fix format specifier thinko.
5716
5717 2005-07-03  Ira Rosen  <irar@il.ibm.com>
5718
5719         PR tree-optimization/22029 (and 22135)
5720         * tree-pretty-print.c (dump_generic_node): Check that the node is not
5721         a phi node before calling dump_vops.
5722
5723 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5724
5725         * tree-dump.h (dump_string_field): Declare.
5726         * tree-dump.c: Use it instead of dump_string.
5727         (dump_string_field): Make non-static.
5728
5729 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5730
5731         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
5732         up the minimal CFG stuff always when optimize > 0.  Call
5733         split_all_insns_noflow in PIC case if needed.
5734
5735 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5736             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
5737
5738         PR c++/18279
5739         * c-decl.c (c_write_global_declarations): Dump contents of
5740         external scope to.
5741         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
5742         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
5743         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
5744         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
5745         is enabled.
5746
5747 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
5748
5749         * c-common.h (GCC_DIAG_STYLE): Define.
5750         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
5751         version for format checking to 4.1.
5752         * c-format.c: Include toplev.h after c-common.h.
5753         (enum format_type): Add gcc_tdiag_format_type.
5754         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
5755         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
5756         (format_types_orig): Add gcc_tdiag.
5757         (init_dynamic_diag_info): Support gcc_tdiag formats.
5758         (handle_format_attribute): Likewise.
5759         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
5760         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
5761         version for format checking to 4.1.
5762         (warning0, warning, error, pedwarn, sorry): Use
5763         ATTRIBUTE_GCC_DIAG.
5764         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
5765         (finish_aliases_1): Do not use %qE.
5766         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
5767         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
5768         Correct format bugs.
5769         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
5770         parameter to unsigned HOST_WIDE_INT.
5771         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
5772
5773 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
5774
5775         PR middle-end/21742
5776         * expr.c (write_complex_part): Use adjust_address for MEM.
5777         (read_complex_part): Same.
5778
5779 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
5780
5781         Fix PR tree-optimization/22280
5782
5783         * tree-sra.c (generate_element_init): Remove useless loop.
5784
5785 2005-07-02  Richard Henderson  <rth@redhat.com>
5786
5787         * config/alpha/alpha.c (alpha_legitimize_address): Check for
5788         TLS_MODEL_NONE.
5789         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
5790
5791 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
5792
5793         PR middle-end/14490
5794         * fold-const.c (fold_binary): Handle the return value of
5795         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
5796         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
5797
5798 2005-07-02  Jeff Law  <law@redhat.com>
5799
5800         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
5801         a eliminate type conversion which feeds an equality comparison
5802         if the original type or either operand in the comparison is a
5803         function pointer.
5804
5805 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
5806
5807         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
5808         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
5809         texts.
5810         * config/avr/avr.c: Do not use '`' as left quote.
5811         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
5812         Remove "." from end of diagnostics.  Make diagnostics start with
5813         lowercase letter.
5814
5815 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
5816             Joseph S. Myers  <joseph@codesourcery.com>
5817
5818         * toplev.c (default_tree_printer): Handle setting location with
5819         '+' flag.
5820         * c-objc.common.c (c_tree_printer): Likewise.
5821         * c-format.c (gcc_diag_flag_specs): Add '+'.
5822         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
5823         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
5824         formats.
5825         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
5826         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
5827         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
5828         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
5829         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
5830         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
5831         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
5832         format arguments where %J is used without %D.
5833
5834 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
5835
5836         * gcc.c (LINK_SSP_SPEC): Define.
5837         (link_ssp_spec): New variable.
5838         (LINK_COMMAND_SPEC): Add %(link_ssp).
5839         (static_specs): Add link_ssp_spec.
5840         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
5841         * configure: Rebuilt.
5842         * config.in: Rebuilt.
5843
5844         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5845         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5846         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5847         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5848         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
5849         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
5850         -0x7008(2) instead of reading __stack_chk_guard variable.
5851         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
5852         number.
5853         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
5854         (stack_protect_set, stack_protect_test): Use *_tls* patterns
5855         if TARGET_THREAD_SSP_OFFSET is defined.
5856         (stack_tls_protect_set_si, stack_tls_protect_set_di,
5857         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
5858
5859         Revert:
5860         2005-06-27  Richard Henderson  <rth@redhat.com>
5861         * libgcc-std.ver (GCC_4.1.0): New.
5862         * libgcc.h (__stack_chk_guard): Declare.
5863         (__stack_chk_fail, __stack_chk_fail_local): Declare.
5864         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
5865         * mklibgcc.in (lib2funcs): Add them.
5866
5867 2005-07-01  Richard Henderson  <rth@redhat.com>
5868
5869         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
5870         void * before struct sigcontext *.
5871         (x86_fallback_frame_state): Likewise.
5872
5873 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
5874
5875         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
5876
5877 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
5878
5879         PR tree-opt/22269
5880         * tree-ssa-reassoc.c (should_transpose): Fix which operand
5881         we check for SSA_NAME for.
5882
5883 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
5884
5885         Fix PR tree-optimization/22071
5886
5887         * tree-ssa-structalias.c (offset_overlaps_with_access): New
5888         function.
5889         (get_constraint_for_component_ref): Use it.
5890
5891 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
5892
5893         PR other/22264
5894         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
5895         print out the last new line.
5896
5897 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
5898
5899         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
5900         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
5901         * config/cris/cris.c (cris_conditional_register_usage): Adjust
5902         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
5903         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
5904         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
5905         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
5906         (enum reg_class): New member CC0_REGS.
5907         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
5908         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
5909         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
5910         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
5911         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
5912         Adjust for register now described.
5913
5914 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
5915
5916         PR target/22262
5917         * config/i386/i386.md (stack_protect_test_si,
5918         stack_protect_test_di): Add earlyclobber for scratch 3.
5919         * config/rs6000/rs6000.md (stack_protect_testsi,
5920         stack_protect_testdi): Add earlyclobber for scratch 3,
5921         remove earlyclobber from scratch 4.
5922
5923 Older entries for 2005 can be found in ChangeLog-2005.