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2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2
3         * config/i386/i386.md (plogic): New.
4         (plogicprefix): Likewise.
5
6         * config/i386/mmx.md (mmx_<code><mode>3): New.
7         (mmx_and<mode>3): Removed.
8         (mmx_ior<mode>3): Likewise.
9         (mmx_xor<mode>3): Likewise.
10
11         * config/i386/sse.md (<code><mode>3): New.
12         (*<code><mode>3): Likewise.
13         (*<code><mode>3): Likewise.
14         (<code><mode>3): Likewise.
15         (*sse_<code><mode>3): Likewise.
16         (*sse2_<code><mode>3): Likewise.
17         (<code>tf3): Likewise.
18         (*<code>tf3): Likewise.
19         (and<mode>3): Likewise.
20         (*and<mode>3): Likewise.
21         (ior<mode>3): Removed.
22         (*ior<mode>3): Likewise.
23         (xor<mode>3): Likewise.
24         (*xor<mode>3): Likewise.
25         (*and<mode>3): Likewise.
26         (*ior<mode>3): Likewise.
27         (*xor<mode>3): Likewise.
28         (and<mode>3): Likewise.
29         (*sse_and<mode>3): Likewise.
30         (*sse2_and<mode>3): Likewise.
31         (andtf3): Likewise.
32         (*andtf3): Likewise.
33         (ior<mode>3): Likewise.
34         (*sse_ior<mode>3): Likewise.
35         (*sse2_ior<mode>3): Likewise.
36         (iortf3): Likewise.
37         (*iortf3): Likewise.
38         (xor<mode>3): Likewise.
39         (*sse_xor<mode>3): Likewise.
40         (*sse2_xor<mode>3): Likewise.
41         (xortf3): Likewise.
42         (*xortf3): Likewise.
43
44 2008-04-02  Richard Guenther  <rguenther@suse.de>
45
46         PR tree-optimization/14495
47         PR tree-optimization/34793
48         * tree-vrp.c (struct switch_update): New structure.
49         (to_remove_edges, to_update_switch_stmts): New VECs.
50         (simplify_switch_using_ranges): New function.  Remove not taken
51         case labels and edges.
52         (simplify_stmt_using_ranges): Call it.
53         (identify_jump_threads): Mark edges we have queued for removal
54         so we don't thread them.
55         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
56         case label vector.
57         * tree-cfg.c (group_case_labels): Deal with missing default label.
58         (tree_verify_flow_info): Allow missing default label.
59         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
60         (emit_case_nodes): Likewise.
61         (expand_case): Do not rely on the default label to be present.
62         * expr.c (try_casesi): Deal with NULL default_label.
63         (do_tablejump): Likewise.
64
65 2008-04-02  Richard Guenther  <rguenther@suse.de>
66
67         PR tree-optimization/14495
68         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
69         SWITCH_EXPR here ...
70         (vrp_visit_switch_stmt): ... but here (new function).
71         (find_case_label_index): New helper function.
72         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
73
74 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
75
76         * fwprop.c: Fix ISO-C99ism.
77
78 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
79
80         PR bootstrap/35752
81         * Makefile.in (objdir): Set it here.
82         * configure.ac: Not here.  Find dynamic linker characteristics.
83         * exec-tool.in: Use them.
84         * aclocal.m4: Regenerate.
85         * configure: Regenerate.
86
87 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
88
89         * expr.c (expand_var): Delete it.
90         * expr.h (expand_var): Delete prototype.
91         * function.c (expand_function_start): Use expand_decl instead.
92         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
93         langhook.
94
95 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
96
97         PR rtl-optimization/35542
98         * fwprop.c (forward_propagate_and_simplify): Replace
99         loc_reg_mentioned_in_p with reg_mentioned_p.
100
101 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
102
103         PR rtl-optimization/35281
104         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
105         (propagate_rtx_1): Handle PR_HANDLE_MEM.
106         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
107         (varying_mem_p): Move above propagate_rtx.
108         (all_uses_available_at): Do not check MEMs.
109
110 2008-04-02  Rafael Espindola  <espindola@google.com>
111
112         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
113         (register_edge_assert_for_2): Split the cond argument.
114         (register_edge_assert_for_1): Adjust for the change in
115         register_edge_assert_for_2.
116         (register_edge_assert_for): Split the cond argument.
117         (find_switch_asserts): Adjust for the change in
118         register_edge_assert_for.
119
120 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
121
122         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
123         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
124         offsets for 64-bit mingw.
125         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
126         abi for x86_64-pc-mingw.
127
128 2008-04-02  Richard Guenther  <rguenther@suse.de>
129
130         * tree-vrp.c (extract_range_from_assert): Make sure to not
131         produce range min/max with TREE_OVERFOW set.
132         If merging a anti-range and a range keep the anti-range if
133         the range covers all values of the type.
134         (register_edge_assert_for_2): Only allow sign-changing
135         conversions in detecting canonical range checks.  Also
136         register an assert for the unsigned name if useful.
137
138         PR tree-optimization/35787
139         * tree-vrp.c (vrp_val_max): New function.
140         (vrp_val_min): Likewise.
141         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
142         (vrp_val_is_min): Likewise.
143         (supports_overflow_infinity): Use vrp_val_{min,max}.
144         (negative_overflow_infinity): Likewise.
145         (positive_overflow_infinity): Likewise.
146         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
147         (is_positive_overflow_infinity): Likewise.
148         (is_overflow_infinity): Likewise.
149         (avoid_overflow_infinity): Use vrp_val_{min,max} and
150         vrp_val_is_{min,max}.
151         (set_and_canonicalize_value_range): Canonicalize anti-ranges
152         to ranges if possible.  Avoid empty ranges.
153
154 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
155
156         PR middle-end/35705
157         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
158         the expression is a function address.
159
160 2008-04-01  George Helffrich  <george@gcc.gnu.org>
161
162         PR fortran/PR35154, fortran/PR23057
163         * fortran/trans-common.c (create_common):  Add decl to function
164         chain to preserve identifier scope in debug output.
165
166         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
167         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
168         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
169         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
170         in common.
171         (dbxout_syms): Check for COMMON-based symbol and wrap in
172         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
173         in bracket for efficiency.
174
175         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
176         using DW_TAG_common_block + member offset.
177         (add_pubname_string): New function.
178         (dw_expand_expr): New function to find block name and offset for
179         COMMON var.
180         (common_check): New function to check whether symbol in Fortran COMMON.
181         (gen_variable_die): If COMMON, use DW_TAG_common_block.
182
183         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
184         use of common is unchanged.
185
186         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
187         with all combinations of debug options available on target.
188         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
189         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
190         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
191         .stabs functionality.
192         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
193         DWARF functionality.
194
195 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
196
197         PR c/35436
198         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
199
200 2008-04-02  Ben Elliston  <bje@au.ibm.com>
201
202         * config/v850/v850.md (casesi): Remove if (0) code.
203         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
204         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
205
206 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
207
208         * config/i386/i386.md (rex64suffix): New mode attribute.
209         (floathi<mode>2): Disable expander for SSE math.
210         (*floathi<mode>2_1): New insn insn_and_split pattern.
211         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
212         corresponding post-reload splitters.
213         (*floathi<mode>2_i387): New macroized insn pattern.
214         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
215         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
216         insn_and_split pattern.
217         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
218         New macroized instruction patterns and corresponding post-reload
219         splitters.
220         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
221         and corresponding post-reload splitters.
222         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
223         New macroized instruction patterns.
224         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
225         macroized instruction patterns and corresponding post-reload splitters.
226         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
227         corresponding post-reload splitters.
228         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
229         New macroized instruction patterns.
230         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
231         corresponding post-reload splitters.
232         (*floatsi<mode>2_i387): New macroized instruction patterns.
233
234 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
235
236         * config/i386/i386.md (smaxmin): New.
237         (umaxmin): Likewise.
238         (maxminiprefix): Likewise.
239         (maxminfprefix): Likewise.
240         (<code><mode>3): Likewise.
241         (smin<mode>3): Removed.
242         (smax<mode>3): Likewise.
243
244         * config/i386/mmx.md (mmx_<code>v2sf3): New.
245         (mmx_<code>v4hi3): Likewise.
246         (mmx_<code>v8qi3): Likewise.
247         (mmx_smaxv2sf3): Removed.
248         (mmx_sminv2sf3): Likewise.
249         (mmx_umaxv8qi3): Likewise.
250         (mmx_smaxv4hi3): Likewise.
251         (mmx_uminv8qi3): Likewise.
252         (mmx_sminv4hi3): Likewise.
253
254         * config/i386/sse.md (<addsub><mode>3): New.
255         (*<addsub><mode>3): Likewise.
256         (<sse>_vm<addsub><mode>3): Likewise.
257         (<maxmin><mode>3): Likewise.
258         (*<maxmin><mode>3_finite): Likewise.
259         (*<maxmin><mode>3): Likewise.
260         (<sse>_vm<maxmin><mode>3): Likewise.
261         (sse3_h<addsub>v4sf3): Likewise.
262         (sse3_h<addsub>v2df3): Likewise.
263         (<maxmin>v16qi3): Likewise.
264         (*<maxmin>v16qi3): Likewise.
265         (<maxmin>v8hi3): Likewise.
266         (*<maxmin>v8hi3): Likewise.
267         (*sse4_1_<maxmin><mode>3): Likewise.
268         (*sse4_1_<maxmin><mode>3): Likewise.
269         (add<mode>3): Removed.
270         (*add<mode>3): Likewise.
271         (<sse>_vmadd<mode>3): Likewise.
272         (sub<mode>3): Likewise.
273         (*sub<mode>3): Likewise.
274         (<sse>_vmsub<mode>3): Likewise.
275         (smin<mode>3): Likewise.
276         (*smin<mode>3_finite): Likewise.
277         (*smin<mode>3): Likewise.
278         (<sse>_vmsmin<mode>3): Likewise.
279         (smax<mode>3): Likewise.
280         (*smax<mode>3_finite): Likewise.
281         (*smax<mode>3): Likewise.
282         (<sse>_vmsmax<mode>3): Likewise.
283         (sse3_haddv4sf3): Likewise.
284         (sse3_haddv2df3): Likewise.
285         (sse3_hsubv4sf3): Likewise.
286         (sse3_hsubv2df3): Likewise.
287         (umaxv16qi3): Likewise.
288         (*umaxv16qi3): Likewise.
289         (smaxv8hi3): Likewise.
290         (*smaxv8hi3): Likewise.
291         (*sse4_1_smax<mode>3): Likewise.
292         (*sse4_1_umax<mode>3): Likewise.
293         (uminv16qi3): Likewise.
294         (*uminv16qi3): Likewise.
295         (sminv8hi3): Likewise.
296         (*sminv8hi3): Likewise.
297         (*sse4_1_smin<mode>3): Likewise.
298         (*sse4_1_umin<mode>3): Likewise.
299
300 2008-04-01  Rafael Espindola  <espindola@google.com>
301
302         * tree-cfg.c (verify_expr): remove in_phi.
303         (verify_stmt): Don't call walk_tree with verify_expr. Use
304         is_gimple_min_invariant instead of is_gimple_val.
305
306 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
307
308         * doc/include/gpl_v3.texi: Update for manpage generation.
309         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
310         gpl.texi.
311         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
312         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
313         gpl_v3.texi instead of gpl.texi.
314         (gpl.pod): New.
315
316 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
317
318         PR pch/13675
319         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
320
321 2008-04-01  Rafael Espindola  <espindola@google.com>
322
323         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
324         (extract_code_and_val_from_cond): Use
325         extract_code_and_val_from_cond_with_ops.
326
327 2008-04-01  Jan Hubicka  <jh@suse.cz>
328
329         * function.c (free_after_compilation): Free epilogue_delay_list.
330         (prepare_function_start): Assert that previous compilation was freed.
331
332 2008-04-01  Jan Hubicka  <jh@suse.cz>
333             Jim Wilson  <wilson@tuliptree.org>
334             Andreas Tobler <andreast@gcc.gnu.org>
335
336         PR middle-end/35781
337         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
338         rtl.emit instead cfun->emit.
339         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
340         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
341
342 2008-04-01  Ben Elliston  <bje@au.ibm.com>
343
344         * doc/c-tree.texi (Function Basics): Fix grammatical error.
345
346 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
347
348         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
349         New options
350         (fprofile-use): Add var flag_profile_use
351         * coverage.c (coverage_begin_output): Do not open a gcno file for
352         output only if -ftest-coverage is set.
353         Do not add getpwd() to gcda file path.
354         (build_gcov_info): Check the new flag
355         flag_profile_datafile_relative_path.
356         (coverage_init): Use profile_data_prefix.
357         Read profile counter only if flag_profile_use is set.
358         * opts.c (common_handle_option): New option fprofile-use=,
359         fprofile-dir=, fprofile-generate=.
360         * toplev.c (profile_data_prefix): New variable definition.
361         * toplev.h (profile_data_prefix): New declaration.
362         * doc/invoke.tex (Option Summary, Optimization Options):
363         Add new options.
364
365 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
366
367         * varasm.c (output_constant_pool_1): In LABEL_REF check,
368         use tmp consistently.
369
370         PR target/35695
371         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
372         * config/ia64/ia64.c (rtx_needs_barrier): Handle
373         UNSPEC_FR_RECIP_APPROX_RES.
374         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
375
376 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
377
378         PR c/35750
379         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
380
381 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
382
383         PR middle-end/30186
384         * fold-const.c (fold_indirect_ref_1): Support accessing non first
385         element of the vector via a pointer.
386
387 2008-03-31  Ian Lance Taylor  <iant@google.com>
388
389         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
390
391 2008-03-31  Jan Hubicka  <jh@suse.cz>
392
393         * builtins.c (expand_builtin_setjmp_receiver): Update call of
394         get_arg_pointer_save_area.
395         * expr.c (init_expr): Just clear out rtl.expr.
396         * function.c (free_after_compilation): Clear out whole RTL structure.
397         (get_func_frame_size): Merge into ...
398         (get_frame_size): ... this one.
399         (assign_stack_local_1): Merge into ...
400         (assign_stack_local): ... this one.
401         (expand_function_end): Update call of get_arg_pointer_save_area.
402         (get_art_pointer_save_area): Remove cfun argument.
403         * function.h (emit_status): regno_pointer_align does not need length
404         attribute. Move x_regno_reg_rtx to ...
405         (regno_reg_rtx): ... new global array.
406         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
407         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
408         apply_args_value, forced_labels, stack_pointer_delta):
409         Update accestors.
410         (struct varasm_status): Move here from varasm.c
411         (struct rtl_data): New. Move here some fields from struct function.
412         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
413         frame_offset, stack_check_probe_note, arg_pointer_save_area,
414         used_temp_slots avail_temp_slots, temp_slot_level,
415         nonlocal_goto_handler_labels): Update accesstors.
416         (rtl): New global variable.
417         (struct function): Move some fileds to rtl_data.
418         (get_arg_pointer_save_area): Update prototype.
419         * emit-rtl.c (rtl): Declare.
420         (regno_reg_rtx): Declare.
421         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
422         Update.
423         (gen_reg_rtx): Update.
424         (init_virtual_regs): Do not tate emit_status argument.
425         (init_emit): Do not allocate emit.
426         * varasm.c (varasm_statuc): Move to function.h.
427         (n_deferred_constatns): Update accestor.
428         (init_varasm_status): Do not allocate varasm_status.
429         (force_const_mem, get_pool_size, output_constant_pool): Update.
430         * stmt.c (force_label_rtx): Do not use x_ prefixes.
431         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
432
433 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
434
435         PR rtl-optimization/35729
436         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
437         references.
438
439 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
440
441         PR target/32000
442         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
443         load/store if memory is unaligned.
444         (*movti_rex64): Likewise.
445
446         * config/i386/predicates.md (misaligned_operand): New.
447
448 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
449
450         PR tree-opt/35431
451         * tree-ssa-phiopt.c (conditional_replacement): Return early for
452         complex types.
453
454 2008-03-31  Jan Beulich  <jbeulich@novell.com>
455
456         * config/ia64/constraints.md: Add 'j' constraint.
457         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
458         (movdi_internal): Likewise.
459
460 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
461
462         PR c/35748
463         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
464
465 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
466
467         PR target/35757
468         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
469         proper error message for the third argument on blendpd and
470         blendps.
471
472         * config/i386/sse.md (blendbits): New.
473         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
474
475 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
476
477         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
478
479 2008-03-30  Richard Guenther  <rguenther@suse.de>
480
481         PR middle-end/31023
482         * fold-const.c (fold_sign_changed_comparison): Do leave
483         conversions to base-types alone.
484
485 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
486
487         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
488         the link register if one altivec register is be saved.
489
490 2008-03-30  Ben Elliston  <bje@au.ibm.com>
491
492         * final.c (final_scan_insn): Remove if (0) code.
493
494 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
495
496         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
497
498 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
499
500         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
501         of V4SFmode to ix86_binary_operator_ok.
502
503 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
504
505         * config/i386/i386.c (override_options): Initialize
506         ix86_veclib_handler to ix86_veclibabi_svml when
507         -mveclibabi=svml is used.
508         (ix86_veclibabi_svml): New function for SVML ABI style
509         vectorization support.
510         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
511
512 2008-03-28  Rafael Espindola  <espindola@google.com>
513
514         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
515         (tree_binary_nonnegative_warnv_p): Make it public.
516         (tree_single_nonnegative_warnv_p): Make it public.
517         (tree_invalid_nonnegative_warnv_p): Make it public.
518         (tree_unary_nonzero_warnv_p): Make it public.
519         (tree_binary_nonzero_warnv_p): Make it public
520         (tree_single_nonzero_warnv_p): Make it public.
521         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
522         (extract_range_from_binary_expr): Split the expr argument.
523         (extract_range_from_unary_expr): Split the expr argument.
524         (extract_range_from_comparison): Split the expr argument.
525         (extract_range_from_expr): Use the new aux functions.
526         (vrp_evaluate_conditional_warnv): Use
527         vrp_evaluate_conditional_warnv_with_ops.
528         * tree.h (tree_unary_nonzero_warnv_p): Declare.
529         (tree_binary_nonzero_warnv_p): Declare.
530         (tree_single_nonzero_warnv_p): Declare.
531         (tree_expr_nonzero_warnv_p): Declare.
532         (tree_unary_nonnegative_warnv_p): Declare.
533         (tree_binary_nonnegative_warnv_p): Declare.
534         (tree_single_nonnegative_warnv_p): Declare.
535         (tree_invalid_nonnegative_warnv_p): Declare.
536
537 2008-03-28  Richard Guenther  <rguenther@suse.de>
538
539         PR tree-optimization/30317
540         PR tree-optimization/30911
541         PR tree-optimization/34793
542         * tree-vrp.c (set_and_canonicalize_value_range): New function.
543         (struct assert_locus_d): New member EXPR.
544         (register_new_assert_for): Add EXPR parameter to support
545         ASSERT_EXPR <name, expr OP limit>.
546         (register_edge_assert_for_1): Adjust callers.
547         (find_assert_locations): Likewise.
548         (process_assert_insertions_for): Build condition from expression.
549         (extract_range_from_assert): Handle ASSERT_EXPRs
550         of the form ASSERT_EXPR <name, expr OP limit>.
551         (register_edge_assert_for_2): New helper registering
552         asserts for comparisons.  Recognize range tests of the form
553         (unsigned)i - CST1 OP CST2.
554         (register_edge_assert_for_1): Use it.
555         (register_edge_assert_for): Likewise.
556         (needs_overflow_infinity): Integer sub-types
557         do not need overflow infinities.
558         (vrp_val_is_max): The extreme values of integer sub-types
559         are those of the base type.
560         (vrp_val_is_min): Likewise.
561         * tree.def (ASSERT_EXPR): Document extra allowed conditional
562         expressions.
563
564 2008-03-28  Nick Clifton  <nickc@redhat.com>
565
566         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
567         Return GENERAL_REGS for stack adjustment reloads.
568
569 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
570
571         PR target/31334
572         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
573         const_vector when all the vectors are constant.
574
575 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
576
577         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
578         comparisons.
579         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
580         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
581         (scc_sf): New.
582         (s<code>_sf): Use new scc_sf attribute for opcode names.
583
584 2008-03-27  Tom Tromey  <tromey@redhat.com>
585
586         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
587         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
588         config/spu/t-spu-elf, config/i386/t-interix,
589         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
590         config/i386/x-darwin, config/i386/x-mingw32,
591         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
592         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
593         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
594         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
595         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
596         config/rs6000/x-darwin, config/rs6000/t-rs6000,
597         config/score/t-score-elf, config/arm/t-strongarm-pe,
598         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
599         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
600         Revert automatic dependency patch.
601
602 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
603
604         PR target/35657
605         * config/i386/i386.c (ix86_function_arg_boundary): Align
606         decimal floating point to its natural boundary.
607
608 2008-03-27  Richard Guenther  <rguenther@suse.de>
609
610         PR middle-end/35716
611         * fold-const.c (fold_comparison): Restrict distinct decl
612         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
613         solely rely on operand_equal_p.
614
615 2008-03-27  Richard Guenther  <rguenther@suse.de>
616
617         PR c/32511
618         * c-common.c (handle_weak_attribute): Reject combination of
619         weak and inline.
620
621 2008-03-27  Richard Guenther  <rguenther@suse.de>
622
623         PR tree-optimization/32810
624         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
625         conversions from DECL_INITIAL.
626         (fold_const_aggregate_ref): Likewise from constructor elements.
627
628 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
629
630         * tree-affine.h (aff_combination_expand): Declare.
631         (get_inner_reference_aff): Likewise.
632         * tree-affine.c (aff_combination_expand): Split out from
633         tree_to_aff_combination_expand.
634         (get_inner_reference_aff): New function.
635         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
636         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
637         (struct lim_aux_data): sm_done field removed.
638         (mem_ref_loc_p, mem_ref_locs_p): New types.
639         (struct mem_ref): Added id, stored, accesses_in_loop,
640         indep_loop, dep_loop, indep_ref, dep_ref fields.
641         Removed is_stored, locs and next fields.
642         (memory_accesses): New variable.
643         (movement_possibility): Do not allow moving statements
644         that store to memory.
645         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
646         New functions.
647         (determine_max_movement): For statements with memory references,
648         find the outermost loop in that the reference is independent.
649         (move_computations_stmt): Mark the virtual operands for renaming.
650         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
651         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
652         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
653         add_vop_ref_mapping, create_vop_ref_mapping_loop,
654         create_vop_ref_mapping, analyze_memory_references,
655         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
656         get_all_locs_in_loop, ref_always_accessed_p,
657         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
658         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
659         store_motion_loop, store_motion): New functions.
660         (struct vop_to_refs_elt): New type.
661         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
662         memref_hash, memref_eq, hoist_memory_references): Rewritten.
663         (schedule_sm): Replaced by...
664         (execute_sm): ... this.
665         (determine_lsm_ref, hoist_memory_references,
666         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
667         find_more_ref_vops, free_mem_ref, free_mem_refs,
668         determine_lsm_loop, determine_lsm): Removed.
669         (tree_ssa_lim_finalize): Free data structures used by store motion.
670         (tree_ssa_lim): Call analyze_memory_references.  Use
671         store_motion instead of determine_lsm.
672
673 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
674
675         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
676         rename tmake_file to m68hc11/t-m68hc11.
677         (mcore): Set inhibit_libc to true.
678         * config.host (alpha*-dec-*vms*): Set extra_programs.
679         (interix3*): Don't use host_xmake_file.
680         * configure.ac: Let config.gcc override inhibit_libc.
681         * configure: Regenerate.
682
683         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
684         * config/t-openbsd-thread: Remove commented out lines.
685         
686         * config/x-interix: Remove.
687
688         * config/m68hc11/t-m68hc11-gas: Rename to...
689         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
690
691         * config/mcore/t-mcore: Remove T_CFLAGS.
692         * config/mcore/t-mcore-pe: Likewise.
693
694 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
695
696         * configure.ac: Replace custom __GNU_SOURCE test with
697         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
698         * aclocal.m4: Regenerate.
699         * configure: Regenerate.
700         * config.in: Regenerate.
701
702 2008-03-27  Richard Guenther  <rguenther@suse.de>
703
704         * fold-const.c (target.h): Include.
705         (fold_comparison): Fold comparison of addresses of decls
706         that bind locally or of constants.  Consolidate address folding code.
707         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
708         results from fold_binary_to_constant.
709         (compare_values_warnv): Likewise.
710
711 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
712
713         PR middle-end/35429
714         * fold-const.c (fold_truthop): Check for integeral types when folding
715         a == 0 && b == 0 and a != 0 || b != 0 .
716
717 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
718
719         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
720
721 2008-03-26  Andreas Schwab  <schwab@suse.de>
722
723         * doc/invoke.texi: Fix use of @item vs. @itemx.
724
725 2008-03-26  Tom Tromey  <tromey@redhat.com>
726
727         * Makefile.in (build/gensupport.o, build/print-rtl.o,
728         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
729         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
730         build/gencodes.o, build/genconditions.o, build/genconfig.o,
731         build/genconstants.o, build/genemit.o, build/genextract.o,
732         build/genflags.o, build/genmddeps.o, build/genopinit.o,
733         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
734         options.h.
735
736 2008-03-26  Richard Guenther  <rguenther@suse.de>
737
738         Revert
739         2008-03-26  Richard Guenther  <rguenther@suse.de>
740
741         * fold-const.c (target.h): Include.
742         (fold_comparison): Fold comparison of addresses of two decls
743         that bind locally.  Consolidate address folding code.
744
745 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
746
747         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
748         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
749         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
750         dconstsqrt2, dconstthird, dconste and/or dconst10.
751         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
752         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
753         dconstsqrt2, dconste): Delete.
754         (init_emit_once): Likewise.  Simplify initializing dconstm1.
755         Constify variable.
756         * real.c (get_real_const): New.
757         * real.h (dconst3, dconst10, dconstm2, dconstthird,
758         dconstsqrt2, dconste): Delete.
759         (real_value_const, get_real_const): New.
760
761 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
762
763         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
764
765         * config/i386/i386.c (ix86_function_arg_boundary): Check
766         BIGGEST_ALIGNMENT instead of 128.
767         (setup_incoming_varargs_64): Likewise.
768
769 2008-03-26  Tom Tromey  <tromey@redhat.com>
770
771         * Makefile.in (DEPFILES): Add missing '/'.
772
773 2008-03-26  Richard Guenther  <rguenther@suse.de>
774
775         * fold-const.c (target.h): Include.
776         (fold_comparison): Fold comparison of addresses of two decls
777         that bind locally.  Consolidate address folding code.
778
779 2008-03-26  Nick Clifton  <nickc@redhat.com>
780
781         PR target/31232
782         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
783         not allow INT+INT as a legitimate addressing mode.
784
785 2008-03-26  Richard Guenther  <rguenther@suse.de>
786
787         * tree-flow.h (widen_bitfield): Remove declaration.
788         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
789         (widen_bitfield): Remove function.
790         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
791         code.
792
793 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
794
795         PR target/31558
796         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
797         error_mark_node's.
798
799 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
800
801         PR rtl-optimization/35232
802         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
803         (forget_old_reloads_1, forget_marked_reloads): Don't clear
804         reg_reloaded_call_part_clobbered here.
805         (reload_regs_reach_end_p): New function.
806         (reload_reg_rtx_for_input): New variable.
807         (reload_reg_rtx_for_output): Likewise.
808         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
809         when reassigning a pseudo register.  Load reloadreg from 
810         reload_reg_rtx_for_input, moving the mode and register
811         calculation to...
812         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
813         instead of the original when deciding whether an input reload
814         would be a no-op or whether an output reload can be deleted.
815         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
816         when setting up new_spill_reg_store.  Load it from
817         reload_reg_rtx_for_output, moving the mode and register
818         calculation to...
819         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
820         instead of the original when deciding whether an output reload
821         would be a no-op.  Do the same when modifying insn notes.
822         Use rtx_equal_p instead of == to compare the registers.
823         (inherit_piecemeal_p): Take a mode and two register numbers
824         as argument.
825         (emit_reload_insns): Clear new_spill_reg_store for every hard
826         register in the reload register.  Remove spill registers
827         from reg_reloaded_valid before considering whether to record
828         inheritance information for them.  Use reload_reg_rtx_for_output
829         instead of reg_rtx when recording output reloads.  Use
830         reload_reg_rtx_for_input instead of reg_rtx when recording
831         input reloads.  Set or clear reg_reloaded_call_part_clobbered
832         at the same time as setting reg_reloaded_valid.
833         (delete_output_reload): Add a new_reload_reg parameter and use it
834         instead of rld[j].reg_rtx.
835         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
836         calls accordingly.
837
838 2008-03-25  Tom Tromey  <tromey@redhat.com>
839
840         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
841         (build/genattr.o): Likewise.
842         (build/genattrtab.o): Likewise.
843         (build/gencodes.o): Likewise.
844         (build/genconfig.o): Likewise.
845         (build/genconstants.o): Likewise.
846         (build/genemit.o): Likewise.
847         (build/genextract.o): Likewise.
848         (build/genflags.o): Likewise.
849
850 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
851         
852         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
853         instead of size_int for integer types.
854         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
855         to match type of MINUS_EXPR.
856         
857 2008-03-25  Tom Tromey  <tromey@redhat.com>
858
859         * configure: Rebuilt.
860         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
861         Makefile.
862
863 2008-03-25  Tom Tromey  <tromey@redhat.com>
864
865         * config/x-solaris (host-solaris.o): Update.
866         * config/x-linux (host-linux.o): Update.
867         * config/x-hpux (host-hpux.o): Update.
868         * config/x-darwin (host-darwin.o): Update.
869         * config/v850/t-v850e (v850-c.o): Update.
870         * config/v850/t-v850 (v850-c.o): Update.
871         * config/t-vxworks (vxworks.o): Update.
872         * config/t-sol2 (sol2-c.o, sol2.o): Update.
873         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
874         * config/spu/t-spu-elf (spu-c.o): Update.
875         (spu.o): Remove.
876         * config/sh/t-symbian (sh-c.o): Update.
877         (symbian.o): Update.
878         * config/sh/t-sh (sh-c.o): Update.
879         * config/score/t-score-elf (score7.o, score3.o): Update.
880         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
881         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
882         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
883         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
884         (rs6000.o): Remove.
885         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
886         * config/m32c/t-m32c (m32c-pragma.o): Update.
887         * config/ia64/t-ia64 (ia64-c.o): Update.
888         * config/i386/x-mingw32 (host-mingw32.o): Update.
889         * config/i386/x-i386 (driver-i386.o): Update.
890         * config/i386/x-darwin (host-i386-darwin.o): Update.
891         * config/i386/x-cygwin (host-cygwin.o): Update.
892         * config/i386/t-nwld (nwld.o): Update.
893         * config/i386/t-netware (netware.o): Update.
894         * config/i386/t-interix (winnt.o): Update.
895         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
896         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
897         msformat-c.o): Update.
898         * config/bfin/t-bfin-linux (generated_files): Add
899         linux-sysroot-suffix.h.
900         * config/arm/t-wince-pe (pe.o): Update.
901         * config/arm/t-strongarm-pe (pe.o): Update.
902         * config/arm/t-pe (pe.o): Update.
903         * config/arm/t-arm (arm-c.o): Update.
904         * doc/install.texi (Prerequisites): Require make 3.80.
905         * Makefile.in: Remove .o targets.
906         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
907         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
908         (simple_generated_h, simple_generated_c): Move earlier.
909         (generated_files): New variable.
910         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
911         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
912         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
913         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
914         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
915         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
916         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
917         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
918         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
919         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
920         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
921         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
922         (.c.o): Remove.
923         (COMPILE.base, COMPILE): New variables.
924         (%.o): New pattern rule.
925         (ALL_HOST_OBJS): New variable.
926         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
927         (dummy-checksum.o, cc1-checksum.o): Remove.
928         (DRIVER_SHLIB): New variable.
929         (DRIVER_DEFINES): Use it.
930         (gencondmd.c): Move out of build/.
931         (s-conditions): Update.
932         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
933         (ALL_BUILD_OBJS): Likewise.
934         (build/%.o): Use BUILDCOMPILE.
935         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
936         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
937         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
938         build/gencheck.o, build/gencodes.o, build/genconditions.o,
939         build/genconfig.o, build/genconstants.o, build/genemit.o,
940         build/genextract.o, build/genflags.o, build/genmddeps.o,
941         build/genopinit.o, build/genoutput.o, build/genpeep.o,
942         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
943         build/gen-protos.o, build/scan.o, build/fix-header.o,
944         build/scan-decls.o): Simplify.
945         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
946         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
947         prefix.o, toplev.o): Reduce to variable setting.
948         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
949         ($(out_object_file), gcc-options.o): New targets.
950         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
951         * configure: Rebuilt.
952         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
953         * doc/sourcebuild.texi (Front End Directory): Document new variable.
954
955 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
956
957         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
958         complain when we hit an error, return ERROR_MARK_NODE.
959
960 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
961
962         * config/sh/constraints.md (Pso, Psz): New constraints.
963         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
964         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
965
966 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
967
968         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
969         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
970
971 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
972
973         * config/sh/sh.md (prefetch): Add condition for SH2A target.
974         (prefetch_sh2a): New.   
975
976 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
977             Naveen.H.S  <naveen.hs@kpitcummins.com>
978
979         * config/sh/constraints.md (I28): New constraint.
980         * config/sh/sh.c (broken_move): Add support for movi20s.
981         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
982
983 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
984             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
985             Naveen.H.S  <naveen.hs@kpitcummins.com>
986
987         * config/sh/sh.c (SH_ATTRIBUTES): Define.
988         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
989         (print_operand): Handle resbank in %@ operand code.
990         (sh_encode_section_info): New.
991         (push_regs): Add conditions for resbank.
992         (sh_expand_epilogue): Likewise.
993         (sh_insert_attributes): Likewise.
994         (sh_attribute_table): Likewise.
995         (sh_handle_resbank_handler_attribute): New.
996         (sh2a_handle_function_vector_handler_attribute): New.
997         (sh2a_is_function_vector_call): New.
998         (sh2a_get_function_vector_number): New.
999         (sh2a_function_vector_p): New.
1000         (sh_cfun_resbank_handler_p): New.
1001         * config/sh/sh.md (calli): Emit jsr/n if possible.
1002         (calli_tbr_rel): New.
1003         (calli_pcrel): Emit jsr/n if possible.
1004         (return_i): Emit rts/n if possible.
1005         (call_valuei_tbr_rel): New.
1006         (call_valuei_pcrel): Add condition for SH2A target.
1007         (call_value): Likewise.
1008         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1009         (sh2a_get_function_vector_number): Likewise.
1010         (sh2a_is_function_vector_call): Likewise.
1011         * doc/extend.texi: Document TBR relative addressing of SH2A.
1012         (resbank): Add description for SH2A.
1013
1014 2008-03-24  Richard Guenther  <rguenther@suse.de>
1015
1016         PR c/22371
1017         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1018         pointer assignments change conversions according to middle-end rules.
1019         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1020         * configure.ac: Include type checking in yes.
1021         * configure: Regenerate.
1022
1023 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1024
1025         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1026         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1027         
1028 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1029
1030         * gthr-vxworks.h (UNUSED): Define.
1031
1032 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1033
1034         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1035
1036 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1037
1038         * doc/extend.texi (Function Attributes): Add missing comma in the
1039         example of the "alloc_size" attribute.
1040         
1041 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1042
1043         Revert:
1044         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1045
1046         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1047         32bit host.
1048
1049         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1050
1051         PR target/35496
1052         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1053         of the underlying type of a MS bitfield layout to the natural
1054         alignment of the type.
1055
1056         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1057
1058         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1059         to their natural alignment to avoid store forwarding stalls.
1060
1061 2008-03-22  Richard Guenther  <rguenther@suse.de>
1062
1063         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1064         For PHI nodes verify the address is invariant.
1065         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1066         (get_symbol_constant_value): Use is_gimple_min_invariant.
1067         (maybe_fold_stmt_indirect): Likewise.
1068
1069 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1070
1071         PR rtl-optimization/33927
1072         * Makefile.in (dse.o): Depend on $(TM_P_H).
1073         * expr.h (extract_low_bits): Declare.
1074         * expmed.c (extract_low_bits): New function.
1075         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1076         * dse.c: Include tm_p.h.
1077         (find_shift_sequence): Remove the read_reg argument and return the
1078         read value.  Emit the instructions instead of returning them.
1079         Iterate on new_mode rather than calculating it each time.
1080         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1081         source to NEW_MODE and extract_low_bits to convert the shifted
1082         value to READ_MODE.
1083         (replace_read): Allow the load and store to have different mode
1084         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1085         or extraction instructions before trying the replacement.  Update
1086         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1087
1088 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1089
1090         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1091         to their natural alignment to avoid store forwarding stalls.
1092
1093 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1094
1095         PR target/27946
1096         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1097         encouraging but not allowing gprs for input;
1098         change the input constraint to !f#r.
1099         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1100         gprs for output;
1101         change the output constraint to !f#r.
1102
1103 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1104
1105         PR target/13958
1106         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1107         corresponding post-reload splitters.
1108         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1109         when x87 FP math is selected.
1110         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1111         New function prototype.
1112         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1113         unreachable function to ease macroization of insn patterns.
1114
1115 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1116
1117         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1118         reference dumps if ddr is NULL or dependence is unknown.
1119
1120 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1121
1122         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1123         unsigned extension into account.
1124         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1125         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1126         Do computations on a scratch register.
1127
1128 2008-03-21  Richard Guenther  <rguenther@suse.de>
1129
1130         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1131         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1132         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1133         * tree-ssa-dom.c (record_equality): Likewise.
1134         * tree-inline.c (copy_body_r): Likewise.
1135         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1136         TREE_INVARIANT.
1137
1138 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1139
1140         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1141         as 'delete_unused' argument.
1142
1143 2008-03-20  Richard Guenther  <rguenther@suse.de>
1144
1145         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1146         special casing of constant qualifiers.
1147         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1148         care about them in general.
1149         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1150         regardless of their type.
1151         (fold_stmt_r): Forcefully fold *& if we end up with that.
1152
1153 2008-03-20  Paul Brook  <paul@codesourcery.com>
1154
1155         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1156         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1157         linker flags.
1158         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1159         definition.
1160         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1161         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1162
1163 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1164
1165         * common.opt (Wmudflap): New option.
1166         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1167         (mx_register_decls): Likewise.
1168         (mudflap_finish_file): Likewise.
1169         * doc/invoke.texi: Document -Wno-mudflap.
1170
1171 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1172
1173         * c-format.c (replace_format_name_to_system_name): New.
1174         (cmp_attribs): New.
1175         (convert_format_name_to_system_name): New.
1176         (decode_format_attr): Add use of convert_format_name_to_system_name.
1177         (format_types_orig): Add gnu_ prefix to names.
1178         (check_format_info_main): Special treating of \0 escaped names for
1179         supporting multi-character format specifiers as I32, I64.
1180         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1181         (gnu_target_overrides_format_attributes): New.
1182         * c-format.h: Add structure target_ovr_attr to hold
1183         system specific formatter names.
1184         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1185         msformat-c.o file to c_target_objs and cxx_target_objs.
1186         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1187         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1188         (TARGET_N_FORMAT_TYPES): New.
1189         * config/i386/msformat-c.c: New.
1190         * config/i386/t-cygming: Add build rule for msformat-c.o.
1191         * doc/extend.texi: Add new format names gnu_* and ms_* and
1192         further details.
1193         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1194
1195 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1196
1197         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1198         optimizations turned on under -O3.
1199         (ftree-vectorize): Add that the flag is turned on with -O3.
1200
1201 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1202
1203         * regmove.c (try_auto_increment): Fix spelling error in comment.
1204         * final.c (final_scan_insn): Likewise.
1205
1206 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1207
1208         PR target/14552
1209         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1210         allocator preferences for "y" and "r" class registers.
1211         ("*mov<mode>_internal"): Ditto.
1212         ("*movv2sf_internal_rex64"): Ditto.
1213         ("*movv2sf_internal"): Ditto.
1214
1215 2008-03-19  Michael Matz  <matz@suse.de>
1216
1217         PR middle-end/35616
1218         * calls.c (expand_call): Check overlap of arguments with call
1219         address for sibcalls.
1220
1221 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1222
1223         PR target/35496
1224         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1225         of the underlying type of a MS bitfield layout to the natural
1226         alignment of the type.
1227
1228 2008-03-19  Jan Hubicka  <jh@suse.cz>
1229
1230         PR other/35094
1231         * toplev.c (decode_d_option): Handle all CPP flags.
1232         * tree-vrp.c: Update tree_pass descriptors.
1233         * regrename.c: Update tree_pass descriptors.
1234         * fwprop.c: Update tree_pass descriptors.
1235         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1236         * tree-into-ssa.c: Update tree_pass descriptors.
1237         * tree-dump.c: Update tree_pass descriptors.
1238         * tree-complex.c: Update tree_pass descriptors.
1239         * tree-dump.h: Update tree_pass descriptors.
1240         * see.c: Update tree_pass descriptors.
1241         * cgraphbuild.c: Update tree_pass descriptors.
1242         * tracer.c: Update tree_pass descriptors.
1243         * tree-loop-distribution.c: Update tree_pass descriptors.
1244         * cgraph.c: Update tree_pass descriptors.
1245         * postreload-gcse.c: Update tree_pass descriptors.
1246         * postreload.c: Update tree_pass descriptors.
1247         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1248         * tree-tailcall.c: Update tree_pass descriptors.
1249         * tree-pass.h (tree_opt_pass): Rename to ...
1250         (opt_pass) ... this one; add "type" field and remove letter field.
1251         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1252         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1253         all_lowering_passes): Update declaration.
1254         * ipa-cp.c: Update tree_pass descriptors.
1255         * final.c: Update tree_pass descriptors.
1256         * omp-low.c: Update tree_pass descriptors.
1257         * tree-ssa-dse.c: Update tree_pass descriptors.
1258         * ipa-reference.c: Update tree_pass descriptors.
1259         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1260         * auto-inc-dec.c: Update tree_pass descriptors.
1261         * reorg.c: Update tree_pass descriptors.
1262         * cgraphunit.c: Update tree_pass descriptors.
1263         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1264         * tree-ssa-ccp.c: Update tree_pass descriptors.
1265         * df-core.c: Update tree_pass descriptors.
1266         * mode-switching.c: Update tree_pass descriptors.
1267         * tree-nomudflap.c: Update tree_pass descriptors.
1268         * modulo-sched.c: Update tree_pass descriptors.
1269         * ipa-pure-const.c: Update tree_pass descriptors.
1270         * cse.c: Update tree_pass descriptors.
1271         * web.c: Update tree_pass descriptors.
1272         * tree-stdarg.c: Update tree_pass descriptors.
1273         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1274         * tree-ssa-dom.c: Update tree_pass descriptors.
1275         * tree-nrv.c: Update tree_pass descriptors.
1276         * tree-ssa-alias.c: Update tree_pass descriptors.
1277         * loop-init.c: Update tree_pass descriptors.
1278         * gimple-low.c: Update tree_pass descriptors.
1279         * ipa-inline.c: Update tree_pass descriptors.
1280         * tree-ssa-sink.c: Update tree_pass descriptors.
1281         * global.c: Update tree_pass descriptors.
1282         * ifcvt.c: Update tree_pass descriptors.
1283         * jump.c: Update tree_pass descriptors.
1284         * predict.c: Update tree_pass descriptors.
1285         * tree-ssa-loop.c: Update tree_pass descriptors.
1286         * recog.c: Update tree_pass descriptors.
1287         * dse.c: Update tree_pass descriptors.
1288         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1289         * tree-eh.c: Update tree_pass descriptors.
1290         * regmove.c: Update tree_pass descriptors.
1291         * local-alloc.c
1292         * function.c: Update tree_pass descriptors.
1293         * tree-vectorizer.c: Update tree_pass descriptors.
1294         * gcse.c: Update tree_pass descriptors.
1295         * ipa-type-escape.c: Update tree_pass descriptors.
1296         * tree-if-conv.c: Update tree_pass descriptors.
1297         * init-regs.c: Update tree_pass descriptors.
1298         * ipa.c: Update tree_pass descriptors.
1299         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1300         * rtl-factoring.c: Update tree_pass descriptors.
1301         * lower-subreg.c: Update tree_pass descriptors.
1302         * bt-load.c: Update tree_pass descriptors.
1303         * tree-dfa.c: Update tree_pass descriptors.
1304         * except.c: Update tree_pass descriptors.
1305         * emit-rtl.c: Update tree_pass descriptors.
1306         * cfgexpand.c: Update tree_pass descriptors.
1307         * tree-cfgcleanup.c: Update tree_pass descriptors.
1308         * cfgcleanup.c: Update tree_pass descriptors.
1309         * tree-ssa-pre.c: Update tree_pass descriptors.
1310         * tree-sra.c: Update tree_pass descriptors.
1311         * tree-mudflap.c: Update tree_pass descriptors.
1312         * tree-ssa-copy.c: Update tree_pass descriptors.
1313         * cfglayout.c: Update tree_pass descriptors.
1314         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1315         * tree-ssa-dce.c: Update tree_pass descriptors.
1316         * tree-ssa.c: Update tree_pass descriptors.
1317         * regclass.c: Update tree_pass descriptors.
1318         * integrate.c: Update tree_pass descriptors.
1319         * tree-optimize.c: Update tree_pass descriptors.
1320         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1321         * tree-object-size.c: Update tree_pass descriptors.
1322         * combine.c: Update tree_pass descriptors.
1323         * tree-outof-ssa.c: Update tree_pass descriptors.
1324         * bb-reorder.c: Update tree_pass descriptors.
1325         * stack-ptr-mod.c: Update tree_pass descriptors.
1326         * var-tracking.c: Update tree_pass descriptors.
1327         * tree-profile.c: Update tree_pass descriptors.
1328         * tree-vect-generic.c: Update tree_pass descriptors.
1329         * reg-stack.c: Update tree_pass descriptors.
1330         * sched-rgn.c: Update tree_pass descriptors.
1331         * tree-ssa-structalias.c: Update tree_pass descriptors.
1332         * tree-cfg.c: Update tree_pass descriptors.
1333         * passes.c (current_pass): Update declaration.
1334         (finish_optimization_passes): Update.
1335         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1336         (register_one_dump_file, register_dump_files_1, next_pass_1):
1337         Update arguments.
1338         (init_optimization_passes): Update handling of new types.
1339         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1340         * ipa-struct-reorg.c: Update tree_pass descriptors.
1341         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1342         * combine-stack-adj.c: Update tree_pass descriptors.
1343         * cfgrtl.c: Update tree_pass descriptors.
1344         * dce.c: Update tree_pass descriptors.
1345         * tree-ssanames.c: Update tree_pass descriptors.
1346
1347 2008-03-19  Richard Guenther  <rguenther@suse.de>
1348
1349         PR middle-end/35609
1350         * tree-ssa.c (walk_data): New structure.
1351         (warn_uninitialized_var): If not always_executed warn with "maybe"
1352         instead of "is".
1353         (execute_early_warn_uninitialized): Compute post-dominators.
1354         Initialize always_executed before processing each basic block.
1355
1356 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1357
1358         PR target/35504
1359         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1360         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1361
1362 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1363
1364         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1365
1366 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1367
1368         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1369         is true.
1370         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1371         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1372         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1373         target after ignore has been set, and move there also the commputation
1374         of subtarget and original_target.
1375         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1376         (LANG_HOOKS_INITIALIZER): Remove it.
1377         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1378
1379 2008-03-18  Richard Guenther  <rguenther@suse.de>
1380
1381         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1382         found an expression with constants, note that in the VN for the lhs.
1383         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1384         fold them to constants if possible.  Run cleanup_cfg if done so.
1385         (execute_pre): Return todo.
1386         (do_pre): Likewise.
1387         (execute_fre): Likewise.
1388         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1389         of constants.
1390         (get_prop_source_stmt): Look through pointer conversions.
1391
1392 2008-03-18  Jan Hubicka  <jh@suse.cz>
1393
1394         * tree-pretty-print.c: Include predict.h.
1395         (dump_generic_node): Dump predictor.
1396         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1397         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1398         * gimple-low.c (lower_stmt): Likewise.
1399         * expr.c (expand_expr_real): Likewise.
1400         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1401         them.
1402         (build_predict_expr, build_predict_expr): New.
1403         * predict.h (predictor_name, build_predict_expr): Update.
1404         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1405         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1406         * predict.def (PRED_CONTINUE): Update hitrate.
1407         * tree.def (PREDICT_EXPR): Define.
1408         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1409         do not handle BIND_EXPR.
1410         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1411         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1412         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1413         operands.
1414
1415 2008-03-18  Michael Matz  <matz@suse.de>
1416
1417         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1418
1419 2008-03-18  Richard Guenther  <rguenther@suse.de>
1420
1421         * tree-gimple.h (is_gimple_invariant_address): Declare.
1422         (is_gimple_constant): Likewise.
1423         * tree-gimple.c (is_gimple_constant): New function.
1424         (is_gimple_invariant_address): Likewise.
1425         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1426         and is_gimple_invariant_address.
1427         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1428         previous change.
1429         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1430         an addressable base.
1431
1432 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1433
1434         PR middle-end/35611
1435         * gimplify.c (gimplify_expr): Gimplify second operand of
1436         OMP_ATOMIC_LOAD.
1437
1438 2008-03-17  Richard Guenther  <rguenther@suse.de>
1439
1440         PR tree-optimization/19637
1441         * fold-const.c (fold_unary): Remove restrictions of removing
1442         intermediate pointer-conversions (P2)(P1)P0.
1443         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1444         conversion to void pointer.
1445         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1446
1447 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1448
1449         PR debug/31510
1450         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1451         emulated thread local variables.
1452
1453 2008-03-16  Richard Guenther  <rguenther@suse.de>
1454
1455         PR middle-end/35607
1456         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1457         expand TREE_INVARIANT operations that are not gimple invariant.
1458
1459 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1460
1461         * doc/extend.texi (Alignment): Say that the ABI controls
1462         the __alignof__ for non-strict-alignment targets rather
1463         than being a recommendation.
1464
1465 2008-03-15  Paul Brook  <paul@codesourcery.com>
1466
1467         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1468         annotations.
1469         (arm_output_fn_unwind): Mark functions that can not be unwound.
1470
1471 2008-03-15  Paul Brook  <paul@codesourcery.com>
1472
1473         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1474         extension instructions.
1475
1476 2008-03-15  Richard Guenther  <rguenther@suse.de>
1477
1478         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1479         and fold constant aggregate refs.
1480         (fold_const_aggregate_ref): Handle string constants
1481         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1482         (evaluate_stmt): Simplify now that ccp_fold folds constant
1483         aggregate refs.
1484
1485 2008-03-15  Paul Brook  <paul@codesourcery.com>
1486
1487         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1488         (extzv): Use gen_extzv_t2.
1489         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1490
1491 2008-03-15  Richard Guenther  <rguenther@suse.de>
1492
1493         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1494         (fold_const_aggregate_ref): Likewise.
1495         (get_value): Return NULL if we don't have any values.
1496         (ccp_finalize): Set const_val to NULL after freeing it.
1497         * tree-flow.h (get_symbol_constant_value): Declare.
1498         (fold_const_aggregate_ref): Likewise.
1499         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1500
1501 2008-03-15  Richard Guenther  <rguenther@suse.de>
1502
1503         PR middle-end/35593
1504         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1505         to not produce negative array indices if not allowed.  Add
1506         parameter to indicate that.
1507         (maybe_fold_offset_to_component_ref): Allow negative array
1508         indices only for the first member of a structure.
1509         (maybe_fold_offset_to_reference): Allow negative array indices.
1510         (maybe_fold_stmt_addition): Likewise.
1511
1512 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1513             Anatoly Sokolov <aesok@post.ru>
1514
1515         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1516         (avr_arch): Add ARCH_AVR6.
1517         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1518         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1519         instead of fixed value 2.
1520         (print_operand_address): Use gs() asm specifier instead of pm().
1521         (avr_assemble_integer): (Ditto.).
1522         (avr_output_addr_vec_elt): (Ditto.).
1523         (print_operand): Handle "!" code.
1524         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1525         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1526         (AVR_HAVE_EIJMP_EICALL): Define.
1527         (AVR_3_BYTE_PC): Redefine.
1528         (AVR_2_BYTE_PC): (Ditto.).
1529         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1530         (LINK_SPEC): Add atmega2560 and atmega2561.
1531         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1532         (crtm2561.o).
1533         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1534         for 3 byte PC devices.
1535         (call_value_insn): (Ditto.).
1536         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1537         (indirect_jump): Use only for for 2 byte PC devices.
1538         (*tablejump): (Ditto.).
1539         (*indirect_jump_avr6): Add insn.
1540         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1541         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1542         instead of ijmp for 3 byte PC devices.
1543         (__tablejump2__): (Ditto.).
1544         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1545         (MULITLIB_DIRNAMES): (Ditto.). 
1546         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1547
1548 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1549
1550         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1551         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1552         ("mmx_psadbw"): Use V1DI mode for operand 0.
1553         * config/i386/i386-modes.def (V1SI): New vector mode.
1554         * config/i386/i386.c (struct builtin_description)
1555         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1556         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1557         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1558         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1559         v1di_ftype_v8qi_v8qi type.
1560         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1561
1562         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1563         __builtin_ia32_pmuludq]: Fix the mode of return value.
1564
1565 2008-03-15  Richard Guenther  <rguenther@suse.de>
1566
1567         PR middle-end/35595
1568         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1569         being a PHI_NODE.
1570
1571 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1572         
1573         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1574         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1575         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1576         unless TARGET_SERIALIZE_VOLATILE is enabled.
1577         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1578         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1579         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1580
1581 2008-03-14  Richard Guenther  <rguenther@suse.de>
1582
1583         PR tree-optimization/34172
1584         * tree-flow.h (refs_may_alias_p): Declare.
1585         (get_single_def_stmt): Likewise.
1586         (get_single_def_stmt_from_phi): Likewise.
1587         (get_single_def_stmt_with_phi): Likewise.
1588         * tree-dfa.c (refs_may_alias_p): New function.
1589         (get_single_def_stmt): Likewise.
1590         (get_single_def_stmt_from_phi): Likewise.
1591         (get_single_def_stmt_with_phi): Likewise.
1592         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1593         (vn_reference_lookup_1): New helper function.
1594         (vn_reference_lookup): Walk the virtual use-def chain to
1595         continue searching for a match if the def does not alias the
1596         reference we are looking for.
1597
1598 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1599
1600         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1601         archive and Perzl.  Update The Written Word listing.
1602
1603 2008-03-14  Richard Guenther  <rguenther@suse.de>
1604
1605         PR tree-optimization/34043
1606         PR tree-optimization/33989
1607         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1608         when doing FRE.
1609         (bitmap_find_leader): Use extra argument to verify dominance
1610         relationship inside a basic-block.
1611         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1612         (find_leader_in_sets): Adjust.
1613         (create_component_ref_by_pieces): Take extra argument for
1614         dominance check, handle lookup failures.
1615         (find_or_generate_expression): Likewise.
1616         (create_expression_by_pieces): Likewise.
1617         (insert_into_preds_of_block): Adjust.
1618         (create_value_expr_from): If asked for, verify all operands
1619         are in the blocks AVAIL_OUT set.
1620         (make_values_for_stmt): Check for SSA_NAMEs that are life
1621         over an abnormal edge.
1622         (compute_avail): Remove such check.
1623         (do_SCCVN_insertion): New function.
1624         (eliminate): If we do not find a leader suitable for replacement
1625         insert a replacement expression from SCCVN if available.
1626         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1627         (struct vn_ssa_aux): Add needs_insertion flag.
1628         * tree-ssa-sccvn.c (may_insert): New global flag.
1629         (copy_reference_ops_from_ref): Value-number union member access
1630         based on its size, not type and member if insertion is allowed.
1631         (visit_reference_op_load): For a weak match from union type
1632         punning lookup a view-converted value and insert a SSA_NAME
1633         for that value if that is not found.
1634         (visit_use): Make dumps shorter.  Do not disallow value numbering
1635         SSA_NAMEs that are life over an abnormal edge to constants.
1636         (free_scc_vn): Release inserted SSA_NAMEs.
1637         (run_scc_vn): New flag to specify whether insertion is allowed.
1638         Process SSA_NAMEs in forward order.
1639         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1640         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1641         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1642         pointer type to/from integral types that do not change the
1643         precision to regular conversions.
1644
1645 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1646
1647         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1648         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1649         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1650         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1651         input arguments and the mode of return value.  Built-in functions
1652         that operate on whole 64-bit MMX register now use V1DI mode.
1653
1654 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1655             Olga Golovanevsky  <olga@il.ibm.com>
1656
1657         PR tree-optimization/35041
1658         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1659         to locate the right position in a statement.
1660
1661 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1662
1663         PR target/34000
1664         PR target/35553
1665         * config/i386/xmmintrin.h:  Change all static inline functions to
1666         extern inline and add __gnu_inline__ attribute.
1667         * config/i386/bmintrin.h: Ditto.
1668         * config/i386/smmintrin.h: Ditto.
1669         * config/i386/tmmintrin.h: Ditto.
1670         * config/i386/mmintrin-common.h: Ditto.
1671         * config/i386/ammintrin.h: Ditto.
1672         * config/i386/emmintrin.h: Ditto.
1673         * config/i386/pmmintrin.h: Ditto.
1674         * config/i386/mmintrin.h: Ditto.
1675         * config/i386/mm3dnow.h: Ditto.
1676
1677 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1678
1679         PR middle-end/35185
1680         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1681         (lower_omp_2): New function.
1682         (lower_omp_1, lower_omp): Rewritten.
1683
1684 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1685
1686         PR 35054
1687         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1688         with the phrase "Microsoft Windows compilers".
1689         (Push/Pop Macro Pragmas): New subsection. Document
1690         #pragma push_macro and pragma pop_macro.
1691
1692 2008-03-12  Paul Brook  <paul@codesourcery.com>
1693
1694         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1695
1696 2008-03-12  Paul Brook  <paul@codesourcery.com>
1697
1698         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1699         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1700         (thumb2_addsi_shortim): Rename ...
1701         (thumb2_addsi_short): ... to this.  Allow register operands.
1702         (thumb2_subsi_short): New pattern.
1703         (thumb2_one_cmplsi2_short,
1704         thumb2_negsi2_short): New patterns and peepholes.
1705
1706 2008-03-12  Paul Brook  <paul@codesourcery.com>
1707
1708         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1709
1710 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1711
1712         * config/i386/i386.md (int_cond): New code iterator.
1713         (fp_cond): Ditto.
1714         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1715         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1716         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1717         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1718         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1719         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1720         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1721         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1722
1723 2008-03-12  Paul Brook  <paul@codesourcery.com>
1724
1725         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1726         instead of {arm,thumb}_compute_save_reg_mask.
1727         (output_return_instruction): Ditto.
1728         (thumb_unexpanded_epilogue): Ditto.
1729         (thumb1_expand_prologue): Ditto.
1730         (thumb1_output_function_prologue): Ditto.
1731         (arm_set_return_address): Ditto.
1732         (thumb_set_return_address): Ditto.
1733         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1734         regs to achieve stack alignment.
1735         (thumb1_compute_save_reg_mask): Fix compiler warning.
1736         (arm_output_epilogue): Use offsets->saved_regs_mask.
1737         Adjust stack pointer by poping call clobered registers.
1738         (arm_expand_prologue): Use offsets->saved_regs_mask.
1739         Adjust stack pointer by pushing extra registers.
1740         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1741
1742 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1743
1744         PR tree-opt/35422
1745         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1746         conversion to the operands of a multiplication.
1747
1748 2008-03-12  Richard Guenther  <rguenther@suse.de>
1749
1750         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1751         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1752         * timevar.def (TV_TREE_PHIPROP): Add.
1753         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1754         pass description.  Use TV_TREE_PHIPROP.
1755         * tree-ssa-forwprop.c: Remove phiprop code.
1756
1757 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1758
1759         PR middle-end/35549
1760         * omp-low.c (maybe_lookup_decl): Constify first argument.
1761         (use_pointer_for_field): Change last argument from bool to
1762         omp_context *.  Disallow shared copy-in/out in nested
1763         parallel if decl is shared in outer parallel too.
1764         (build_outer_var_ref, scan_sharing_clauses,
1765         lower_rec_input_clauses, lower_copyprivate_clauses,
1766         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1767
1768 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1769             Ira Rosen  <irar@il.ibm.com>
1770
1771         * tree-vectorizer.c (free_stmt_vec_info): New function.
1772         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1773         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1774         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1775         * tree-vect-transform.c (vectorizable_conversion): Free
1776         vec_oprnds0 if it was allocated.
1777         (vect_permute_store_chain): Remove unused VECs.
1778         (vectorizable_store): Free VECs that are allocated in the..
1779         function.
1780         (vect_transform_strided_load, vectorizable_load): Likewise.
1781         (vect_remove_stores): Simplify the code.
1782         (vect_transform_loop): Move code to vect_remove_stores().
1783         Call vect_remove_stores() and free_stmt_vec_info().
1784
1785 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1786
1787         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1788         TARGET_HPUX.  Revise comment.
1789         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1790         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1791         Use sr4 variant of `be' instruction when not generating PIC code.
1792         (attr_length_call): Adjust for above change.
1793
1794 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1795
1796         * ipa-reference.c (static_execute): Remove module_statics_const and
1797         associated setting code.
1798
1799 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1800
1801         PR target/35540
1802         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1803         predicate for operand 1.
1804         (paritysi2_cmp): Use register_operand predicate for operand 2.
1805         Use earlyclobber modifier for operand 1.  Remove support for
1806         memory operands.
1807         (paritydi2_cmp): Use register_operand predicate for operand 3.
1808         Use earlyclobber modifier for operand 1.  Remove support for
1809         memory operands.
1810
1811 2008-03-11  Paul Brook  <paul@codesourcery.com>
1812             Vladimir Prus  <vladimir@codesourcery.com>
1813
1814         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1815         (arm_compute_save_reg0_reg12_mask): Always
1816         check if register 11 must be saved.  Always safe hard frame pointer
1817         when frame_pointer_needeed.
1818         (arm_compute_save_reg_mask): Save IP and PC
1819         only with apcs frames.
1820         (arm_output_epilogue): Adjust Thumb2 codepath to
1821         be also invoked and work for ARM non-apcs frames.
1822         (arm_expand_prologue): Don't bother saving IP
1823         for non-apcs frame, since it's not clobbered by
1824         prologue code.  Implement non-apcs frame
1825         layout.
1826
1827 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1828
1829         PR rtl-optimization/35281
1830         * expr.c (convert_move): Use a new pseudo for the intermediate
1831         from_mode->word_mode result.
1832
1833 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1834
1835         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1836         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1837         * toplev.c (compile_file): Don't call it.
1838
1839 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1840
1841         PR middle-end/35526
1842         * expr.c (store_expr): Call emit_block_move if the mode
1843         of "temp" RTX is BLKmode.
1844
1845 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1846             Richard Guenther  <rguenther@suse.de>
1847
1848         PR tree-optimization/31358
1849         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1850         the step with a NULL_TREE.
1851         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1852         to sizetype if type is a pointer type.
1853         (add_candidate_1): Don't convert the base and step to
1854         the generic type if the orginal type is a pointer type.
1855         (add_iv_value_candidates): Use sizetype for the step
1856         if type is a pointer type.
1857         (cand_value_at): Likewise.
1858         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1859         for pointer types.
1860         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1861         Don't convert the tem affine to the type.
1862         (add_elt_to_tree): Use sizetype for the step if a pointer.
1863         Use POINTER_PLUS_EXPR for pointers.
1864         (aff_combination_to_tree): Use sizetype for the step if a
1865         pointer.
1866
1867 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1868
1869         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1870         Remove commutativity hint.
1871
1872 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1873
1874         PR c/35438
1875         PR c/35439
1876         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1877         errorneous type.  Check that v is a VAR_DECL.
1878
1879         PR middle-end/35099
1880         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1881
1882 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1883
1884         PR tree-optimization/35494
1885         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1886         may be overriden at link and run time.
1887
1888 2008-03-10  Richard Guenther  <rguenther@suse.de>
1889
1890         PR tree-optimization/34677
1891         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1892         (poolify_tree): Likewise.
1893         (modify_expr_template): Likewise.
1894         (poolify_modify_stmt): Likewise.
1895         (insert_fake_stores): Handle all component-ref style stores
1896         in addition to INDIRECT_REF.  Also handle complex types.
1897         Do not poolify the inserted load.
1898         (realify_fake_stores): Do not rebuild the tree but only
1899         make it a SSA_NAME copy.
1900         (init_pre): Remove initialzation of modify_expr_template.
1901         Do not allocate modify_expr_node_pool.
1902         (fini_pre): Do not free modify_expr_node_pool.
1903
1904 2008-03-10  Paul Brook  <paul@codesourcery.com>
1905
1906         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1907         to avoid conflicts.
1908
1909 2008-03-10  Paul Brook  <paul@codesourcery.com>
1910             Mark Shinwell  <shinwell@codesourcery.com>
1911
1912         * config/arm/cortex-r4.md: New.
1913         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1914         insn attributes.
1915         * config/arm/arm.md: Include cortex-r4.md.
1916         (insn): Add smmls, sdiv and udiv values.
1917         (generic_sched): Don't use generic scheduling for Cortex-R4.
1918         (arm_issue_rate): New function.
1919         (TARGET_SCHED_ISSUE_RATE): Define.
1920
1921 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1922
1923         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1924
1925 2008-03-10  Richard Guenther  <rguenther@suse.de>
1926
1927         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1928         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1929
1930 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1931
1932         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1933         Set default to true.
1934
1935 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1936
1937         * c.opt (Wsynth): Deprecate.
1938         * doc/invoke.texi (Option Summary, Warning Options): Document
1939         -Wno-format-contains-nul.
1940
1941 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
1942
1943         PR target/35496
1944         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1945         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1946
1947 2008-03-09  Ira Rosen  <irar@il.ibm.com>
1948
1949         * config/rs6000/rs6000.c (builtin_description): Rename vector
1950         left shift operations.
1951         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1952         (altivec_vsl<VI_char>): Rename to ...
1953         (ashl<mode>3): ... new name.
1954         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1955         gen_ashlv4si3.
1956         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1957
1958 2008-03-08  Richard Guenther  <rguenther@suse.de>
1959
1960         * coverage.h (tree_coverage_counter_addr): Declare.
1961         * coverage.c (tree_coverage_counter_addr): New function.
1962         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1963         before using again.
1964         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1965         (tree_gen_one_value_profiler): Likewise.
1966         (tree_gen_ic_profiler): Likewise.
1967         (tree_gen_average_profiler): Likewise.
1968         (tree_gen_ior_profiler): Likewise.
1969
1970 2008-03-08  Richard Guenther  <rguenther@suse.de>
1971
1972         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1973         (vn_binary_op_insert): Likewise.
1974         (vn_unary_op_lookup): Likewise.
1975         (vn_unary_op_insert): Likewise.
1976         (vn_nary_op_lookup): Declare.
1977         (vn_nary_op_insert): Likewise.
1978         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1979         and binary hashes, use a single obstack for unary_op_pool
1980         and binary_op_pool.
1981         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1982         a single struct vn_nary_op_s.  Store tree code length and
1983         a variable number of operands.
1984         (struct vn_reference_op_struct): Remove unused op2.
1985         (vn_reference_op_eq): Do not compare op2.
1986         (vn_reference_op_compute_hash): Do not compute hash of op2.
1987         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1988         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1989         with vn_nary_op_compute_hash.
1990         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1991         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1992         vn_nary_op_lookup.
1993         (vn_unary_op_insert, vn_binary_op_insert): Replace with
1994         vn_nary_op_insert.
1995         (visit_unary_op): Call nary functions.
1996         (visit_binary_op): Likewise.
1997         (process_scc): Adjust for struct vn_tables_s changes.
1998         (allocate_vn_table): Likewise.
1999         (free_vn_table): Likewise.
2000         * tree-vn.c (vn_add): Call nary functions.
2001         (vn_lookup): Likewise.
2002
2003 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2004
2005         PR target/35498
2006         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2007         wdst back after sync_compare_and_swapqhi_internal.
2008
2009 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2010
2011         PR target/22152
2012         * config/i386/i386-modes.def (V1DI): New vector mode.
2013         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2014         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2015         (MMXMODE248): Ditto.
2016         (MMXMODE): Add V1DI mode.
2017         (mmxvecsize): Change DI mode to V1DI mode.
2018         ("mov<mode>): Use MMXMODEI8 mode iterator.
2019         ("*mov<mode>_internal_rex64"): Ditto.
2020         ("*mov<mode>_internal"): Ditto.
2021         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2022         ("mmx_sub<mode>3"): Ditto.
2023         ("mmx_adddi3"): Remove insn pattern.
2024         ("mmx_subdi3"): Ditto.
2025         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2026         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2027         ("mmx_ashl<mode>3"): Ditto.
2028         ("mmx_lshrdi3"): Remove insn pattern.
2029         ("mmx_ashldi3"): Ditto.
2030         * config/i386/i386.c (classify_argument): Handle V1DImode.
2031         (function_arg_advance_32): Ditto.
2032         (function_arg_32): Ditto.
2033         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2034         mmx_addv1di3 insn pattern.
2035         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2036         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2037         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2038         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2039         Remove definitions of built-in functions.
2040         (V1DI_type_node): New node.
2041         (v1di_ftype_v1di_int): Ditto.
2042         (v1di_ftype_v1di_v1di): Ditto.
2043         (v2si_ftype_v2si_si): Ditto.
2044         (v4hi_ftype_v4hi_di): Remove node.
2045         (v2si_ftype_v2si_di): Ditto.
2046         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2047         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2048         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2049         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2050         Add new builtins using def_builtin_const.
2051         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2052         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2053         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2054         * config/i386/mmintrin.h (__v1di): New typedef.
2055         (_mm_add_si64): Cast arguments to __v1di type.
2056         (_mm_sub_si64): Ditto.
2057         (_mm_sll_pi16): Cast __count to __v4hi type.
2058         (_mm_sll_pi32): Cast __count to __v2si type.
2059         (_mm_sll_si64): Cast arguments to __v1di type.
2060         (_mm_srl_pi16): Cast __count to __v4hi type.
2061         (_mm_srl_pi32): Cast __count to __v2si type.
2062         (_mm_srl_si64): Cast arguments to __v1di type.
2063         (_mm_sra_pi16): Cast __count to __v4hi type.
2064         (_mm_sra_pi32): Cast __count to __v2si type.
2065         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2066         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2067         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2068         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2069         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2070         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2071         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2072         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2073         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2074         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2075         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2076         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2077
2078 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2079
2080         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2081
2082 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2083
2084         PR target/35373
2085         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2086         reg+const addressing for Altivec modes.  Don't generate reg+reg
2087         addressing for TFmode or TDmode quantities.
2088
2089 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2090
2091         * c-common.c (vector_types_convertible_p): Call langhook
2092         instead of comptypes.
2093
2094 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2095
2096         PR tree-opt/35402
2097         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2098         integral and scalar float variables which have a
2099         NULL DECL_INITIAL.
2100
2101 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2102
2103         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2104         dwarf_register_span hook when emitting unwind information for
2105         register-to-memory saves.
2106         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2107         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2108
2109 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2110
2111         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2112         for the same VAR_DECL.
2113
2114 2008-03-06  Tom Tromey  <tromey@redhat.com>
2115
2116         * treelang: Delete.
2117         * doc/standards.texi (Standards): Don't mention treelang.
2118         * doc/invoke.texi (Overall Options): Don't mention treelang.
2119         * doc/install.texi (Prerequisites): Don't mention bison or
2120         treelang.
2121         (Configuration): Don't mention treelang.
2122         (Building): Likewise.
2123         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2124
2125 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2126
2127         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2128         word-extractions out of a multi-word object.
2129
2130 2008-03-06  Richard Guenther  <rguenther@suse.de>
2131
2132         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2133         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2134         result type and precision.
2135         * expr.c (get_inner_reference): Set unsignedp based on the result
2136         type of BIT_FIELD_REF.
2137         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2138         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2139         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2140         for BIT_FIELD_REF.
2141         (sra_build_assignment): Likewise.
2142         (sra_build_elt_assignment): Likewise.
2143         (sra_explode_bitfield_assignment): Likewise.
2144         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2145         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2146         set BIT_FIELD_REF_UNSIGNED.
2147         (vectorizable_load): Likewise.
2148
2149 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2150
2151         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2152         at bb start.
2153
2154 2008-03-06  Richard Guenther  <rguenther@suse.de>
2155
2156         * alias.c (struct alias_set_entry): Move has_zero_child field
2157         to pack with alias_set.
2158
2159 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2160
2161         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2162         32bit host.
2163
2164 2008-03-05  Ian Lance Taylor  <iant@google.com>
2165
2166         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2167
2168 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2169
2170         * fwprop.c (update_df): Support width and offset parameters of
2171         df_ref_create.
2172         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2173         global_conflicts): Change DF_REF_EXTRACT to either
2174         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2175         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2176         * df-scan.c (df_ref_record, df_defs_record,
2177         df_ref_create_structure, df_def_record_1, df_uses_record,
2178         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2179         df_bb_refs_collect, df_entry_block_defs_collect,
2180         df_exit_block_uses_collect): Support new width and offset fields.
2181         (ref_extract_pool): New storage pool.
2182         (df_free_ref): New function.
2183         (df_reg_chain_unlink, df_free_collection_rec,
2184         df_sort_and_compress_refs): Call df_free_ref.
2185         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2186         of df_ref_extract.
2187         (df_ref_create_structure): Allocate df_ref_extract if offset and
2188         width fields are used.
2189         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2190         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2191         and SIGN_EXTRACT.
2192         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2193         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2194         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2195         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2196         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2197         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2198         (df_ref_extract): New structure.
2199         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2200         (df_ref_create): Add width and offset parameters.
2201         
2202 2008-03-05  Richard Guenther  <rguenther@suse.de>
2203
2204         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2205         Use ranges_overlap_p.
2206         (offset_overlaps_with_access): Rename
2207         to ranges_overlap_p and move ...
2208         * tree-flow-inline.h (ranges_overlap_p): ... here.
2209
2210         * tree.h (get_inner_reference, handled_component_p): Update
2211         comments.
2212
2213         * tree.h (record_component_aliases, get_alias_set,
2214         alias_sets_conflict_p, alias_sets_must_conflict_p,
2215         objects_must_conflict_p): Move declarations ...
2216         * alias.h (record_component_aliases, get_alias_set,
2217         alias_sets_conflict_p, alias_sets_must_conflict_p,
2218         objects_must_conflict_p): ... here.
2219         Include coretypes.h.
2220         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2221
2222 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2223
2224         * cfg.c: Include tree-flow.h.
2225         (remove_edge_raw): Call redirect_edge_var_map_clear.
2226         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2227         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2228         (redirect_edge_var_map_result): New.
2229         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2230         PENDING_STMT use with redirect_edge_var_map_*.
2231         * tree-ssa.c (edge_var_maps): New definition.
2232         (redirect_edge_var_map_add): New.
2233         (redirect_edge_var_map_clear): New.
2234         (redirect_edge_var_map_dup): New.
2235         (redirect_edge_var_map_vector): New.
2236         (redirect_edge_var_map_destroy): New.
2237         (ssa_redirect_edge): Replace PENDING_STMT use with
2238         redirect_edge_var_map_*.
2239         (flush_pending_stmts): Same.
2240         (delete_tree_ssa): Destroy edge var map.
2241         * tree-flow.h (struct _edge_var_map): New.
2242         Define edge_var_map vector type.
2243         Declare redirect_edge_var_map_* prototypes.
2244         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2245         * tree-cfg.c (reinstall_phi_args): Replace
2246         PENDING_STMT use with redirect_edge_var_map_*.
2247
2248 2008-03-05  Richard Guenther  <rguenther@suse.de>
2249
2250         PR tree-optimization/35472
2251         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2252         whose single use_stmt has a overlapping set of loaded and
2253         stored symbols as that use_stmt might be a noop assignment then.
2254
2255 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2256
2257         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2258
2259 2008-03-05  Richard Guenther  <rguenther@suse.de>
2260
2261         PR c++/35336
2262         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2263         should be constants.
2264         * tree-cfg.c (verify_expr): Verify it.
2265         * fold-const.c (fold_truthop): Remove code generating
2266         BIT_FIELD_REFs of structure bases.
2267         (fold_binary): Likewise.
2268         (fold_ternary): Position and size of BIT_FIELD_REFs are
2269         always host integers.
2270         (make_bit_field_ref): Remove.
2271         (optimize_bit_field_compare): Remove.
2272         (all_ones_mask_p): Remove.
2273
2274 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2275
2276         PR gcc/33009
2277         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2278         (split_block_and_df_analyze): New. Split basic block and rebuild
2279         dataflow.
2280         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2281         SPLIT_BLOCK.
2282         (split_pattern_seq): Likewise.
2283         (erase_matching_seqs): Likewise.
2284         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2285
2286 2008-03-04  Geoff Keating  <geoffk@apple.com>
2287
2288         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2289         declaration and code.
2290         (tree_invalid_nonnegative_warnv_p): Likewise.
2291
2292 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2293
2294         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2295         examples.  Truncate option-names then causing overfull hbox.
2296
2297 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2298
2299         PR target/35222
2300         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2301         on hpux10.
2302         * configure: Rebuilt.
2303
2304 2008-03-04  Rafael Espindola  <espindola@google.com>
2305
2306         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2307         (tree_unary_nonnegative_warnv_p): New.
2308         (tree_binary_nonnegative_warnv_p): New.
2309         (tree_single_nonnegative_warnv_p): New.
2310         (tree_invalid_nonnegative_warnv_p): New.
2311         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2312
2313 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2314
2315         PR 28322
2316         * opts.c (handle_option): Postpone 'unknown option' errors only for
2317         warning options.
2318
2319 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2320
2321         PR target/35453
2322         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2323         (_SIDD_XXX): This.
2324
2325 2008-03-04  Rafael Espindola  <espindola@google.com>
2326
2327         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2328         (tree_binary_nonzero_warnv_p): New.
2329         (tree_single_nonzero_warnv_p): New.
2330         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2331
2332 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2333
2334         PR middle-end/35456
2335         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2336         transformations for modes that have signed zeros.
2337         * ifcvt.c (noce_try_abs): Ditto.
2338
2339 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2340
2341         * config/i386/i386.c (override_options): Force
2342         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2343
2344 2008-03-04  Jan Hubicka  <jh@suse.cz>
2345
2346         PR c++/35262
2347         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2348         in last commit.
2349
2350 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2351
2352         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2353         label to probe the stack.
2354
2355 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2356
2357         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2358         (__gthr_win32_mutex_destroy): Declare.
2359         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2360         __gthr_win32_mutex_destroy.
2361         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2362
2363 2008-03-03  Jan Hubicka  <jh@suse.cz>
2364
2365         PR c++/35262
2366         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2367         aggressive on inlining cold calls.
2368
2369 2008-03-03  Richard Guenther  <rguenther@suse.de>
2370
2371         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2372         struct copies into the expression table.
2373         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2374         (try_to_simplify): Likewise.
2375         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2376         integral and pointer arguments which do not change the
2377         precision to NOP_EXPRs.
2378         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2379         VIEW_CONVERT_EXPR case.
2380
2381 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2382
2383         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2384         defined in a loop at depth 0 is invariant.
2385         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2386         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2387         be called at loop depth 0.
2388
2389 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2390
2391         PR driver/35420
2392         * gcc.c (process_command): Update copyright notice dates.
2393         * gcov.c (print_version): Likewise.
2394         * gcov-dump.c (print_version): Likewise.
2395         * mips-tfile.c (main): Likewise.
2396         * mips-tdump.c (main): Likewise.
2397
2398 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2399
2400         PR 24924
2401         * c-common.c (flag_permissive): Delete.
2402         (constant_expression_warnings): Check flags first.
2403         (constant_expression_error): New.
2404         * c-common.h (flag_permissive): Delete.
2405         (constant_expression_error): Declare.
2406         * flags.h (flag_permissive): Declare. Update description.
2407         * diagnostic.c (pedwarn): Update.
2408         (permerror): New.
2409         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2410         (permissive_error_kind): New.
2411         * toplev.c (flag_permissive): Define. Update description.
2412         * toplev.h (permissive_error_kind): Declare.
2413         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2414         (pedwarn_c90): Use pedantic_warning_kind.
2415         * c-opts.c (c_common_post_options): flag_permissive does not affect
2416         flag_pedantic_errors.
2417
2418 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2419
2420         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2421         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2422         __absvsi2, __absvDI2): Use unsigned arithmetic.
2423
2424 2008-03-02  Andi Kleen  <ak@suse.de>
2425             Richard Guenther  <rguenther@suse.de>
2426
2427         * struct-equiv.c: Remove file.
2428         * cfg_cleanup.c (condjump_equiv_p): Remove.
2429         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2430         (struct-equiv.o): Remove rule.
2431         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2432         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2433         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2434
2435 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2436
2437         * ifcvt.c (noce_process_if_block): Try to handle only the then
2438         block if the else block exists but isn't suitable.
2439
2440 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2441
2442         PR gcc/35063
2443         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2444         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2445         regression from previous patch.
2446
2447 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2448
2449         PR gcc/35063
2450         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2451         implemented.
2452         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2453         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2454         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2455         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2456         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2457         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2458         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2459         (__gthread_mutex_destroy_function): Rename to
2460         __gthread_mutex_destroy.
2461         * gthr-dce.h (__gthread_mutex_destroy): Call
2462         pthread_mutex_destroy.
2463         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2464         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2465         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2466
2467 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2468
2469         * df-scan.c (df_ref_chain_change_bb): Simplify.
2470         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2471         set_block_for_insn if there's any change.
2472         * df.h ((df_insn_change_bb): Fix prototype.
2473         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2474         df_insn_change_bb, don't call set_block_for_insn.
2475         * emit-rtl.c (reorder_insns): Likewise.
2476         * haifa-sched.c (move_insn): Likewise.
2477
2478 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2479
2480         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2481
2482 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2483
2484         * tree-flow-inline.h (next_readonly_imm_use): Return
2485         NULL_USE_OPERAND_P after the end.
2486
2487 2008-03-01  Richard Guenther  <rguenther@suse.de>
2488
2489         PR tree-optimization/35411
2490         * tree-sra.c (sra_build_assignment): Split conversion to
2491         final type to a separate statement if we are not assigning
2492         to a register.
2493
2494 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2495
2496         * fold-const.c (fold_convertible_p): Correct the logic to follow
2497         that in fold_convert().
2498
2499 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2500
2501         PR c++/35315
2502         * tree-inline.c (build_duplicate_type): When we make a
2503         duplicate type, make it unique in the canonical types system.
2504
2505 2008-02-29  Tom Tromey  <tromey@redhat.com>
2506
2507         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2508         input_file_stack_history, input_file_stack_restored): Remove.
2509         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2510         * input.h (struct file_stack): Remove.
2511         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2512         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2513         Likewise.
2514         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2515         type.
2516         (diagnostic_last_module_changed): Add 'map' argument.
2517         (diagnostic_set_last_function): Likewise.
2518         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2519         line map, not input_file_stack.
2520         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2521
2522 2008-02-29  Paul Brook  <paul@codesourcery.com>
2523
2524         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2525
2526 2008-02-29  Paul Brook  <paul@codesourcery.com>
2527
2528         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2529
2530 2008-02-29  Richard Guenther  <rguenther@suse.de>
2531
2532         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2533         vn_lookup_or_add.
2534         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2535         value for comparing for a store match.
2536         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2537         (try_to_simplify): Do not do a full-blown reference lookup.
2538
2539 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2540
2541         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2542         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2543
2544         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2545
2546 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2547
2548         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2549         strides against cache sizes.
2550
2551 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2552
2553         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2554         constant to fpul.
2555
2556 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2557
2558         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2559         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2560         is smaller than the original promoted value.
2561         (simplify_subreg): If OP is a SUBREG, try to preserve its
2562         SUBREG_PROMOTED_VAR_P information.
2563
2564 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2565
2566         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2567         (VN_INFO_GET): Allocate new objects on the obstack.
2568         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2569         for rpo_numbers_temp, for consistency.
2570         (free_scc_vn): Free the obstack.
2571
2572 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2573
2574         * doc/invoke.texi: Document -ftree-loop-distribution.
2575         * tree-loop-distribution.c: New.
2576         * tree-pass.h (pass_loop_distribution): New.
2577         * graphds.h (struct graph): Add htab_t indices.
2578         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2579         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2580         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2581         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2582         * tree-data-ref.c (debug_data_dependence_relations): New.
2583         (dump_data_dependence_relation): Also print data references.
2584         (free_data_ref): Extern.
2585         (same_access_functions): Moved...
2586         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2587         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2588         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2589         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2590         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2591         (stmts_from_loop): Skip LABEL_EXPR.
2592         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2593         New.
2594         (build_rdg): Initialize rdg->indices htab.
2595         (free_rdg, stores_from_loop, ref_base_address,
2596         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2597         have_similar_memory_accesses_1, ref_base_address_1,
2598         remove_similar_memory_refs): New.
2599         * tree-data-ref.h: Depend on tree-chrec.h.
2600         (debug_data_dependence_relations, free_data_ref): Declared.
2601         (same_access_functions): ... here.
2602         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2603         New.
2604         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2605         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2606         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2607         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2608         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2609         rdg_vertex_for_stmt): Declared.
2610         (struct rdg_edge): Add level.
2611         (RDGE_LEVEL): New.
2612         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2613         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2614         Declared.
2615         (rdg_has_similar_memory_accesses): New.
2616         * tree-vect-analyze.c: Remove unused static decls.
2617         * lambda.h (dependence_level): New.
2618         * common.opt (ftree-loop-distribution): New.
2619         * tree-flow.h (mark_virtual_ops_in_bb, 
2620         slpeel_tree_duplicate_loop_to_edge_cfg,
2621         rename_variables_in_loop): Declared.
2622         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2623         (OBJS-common): Add tree-loop-distribution.o.
2624         (tree-loop-distribution.o): New rule.
2625         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2626         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2627         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2628
2629 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2630
2631         PR target/33963
2632         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2633         other than structures and unions.
2634
2635 2008-02-28  Richard Guenther  <rguenther@suse.de>
2636
2637         Revert:
2638         2008-02-26  Richard Guenther  <rguenther@suse.de>
2639
2640         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2641         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2642         (lookup_decl_from_uid): Declare.
2643         (remove_decl_from_map): Likewise.
2644         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2645         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2646         (decl_for_uid_map): New global hashtable mapping DECL_UID
2647         to the decl tree.
2648         (init_ttree): Allocate it.
2649         (insert_decl_to_uid_decl_map): New helper function.
2650         (make_node_stat): Insert new decls into the map.
2651         (copy_node_stat): Likewise.
2652         (lookup_decl_from_uid): New function.
2653         (remove_decl_from_map): Likewise.
2654         (print_decl_for_uid_map_statistics): New helper.
2655         (dump_tree_statistics): Call it.
2656
2657         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2658         (referenced_var_iterator): Adjust.
2659         (FOR_EACH_REFERENCED_VAR): Adjust.
2660         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2661         (num_referenced_vars): Adjust.
2662         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2663         (first_referenced_var): Remove.
2664         (end_referenced_vars_p): Likewise.
2665         (next_referenced_var): Likewise.
2666         (referenced_var_iterator_set): New helper function.
2667         * tree-dfa.c (referenced_var_lookup): Adjust.
2668         (referenced_var_check_and_insert): Likewise.
2669         (remove_referenced_var): Likewise.
2670         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2671         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2672         (verify_call_clobbering): Likewise.
2673         (verify_memory_partitions): Likewise.
2674         (init_tree_ssa): Allocate bitmap instead of hashtable for
2675         referenced_vars.
2676         (delete_tree_ssa): Adjust.
2677         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2678         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2679         (compute_tag_properties): Likewise.
2680         (set_initial_properties): Likewise.
2681         (find_partition_for): Likewise.
2682         (update_reference_counts): Likewise.
2683         (dump_may_aliases_for): Likewise.
2684         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2685         (add_call_clobber_ops): Likewise.
2686         (add_call_read_ops): Likewise.
2687         (get_asm_expr_operands): Likewise.
2688         * tree-into-ssa.c (dump_decl_set): Likewise.
2689         (update_ssa): Likewise.
2690         * tree-sra.c (scan_function): Likewise.
2691         (decide_instantiations): Likewise.
2692         (scalarize_parms): Likewise.
2693         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2694         (dsa_named_for): Likewise.
2695         * tree-ssa-structalias.c (update_alias_info): Likewise.
2696         (merge_smts_into): Likewise.
2697
2698 2008-02-27  David Daney  <ddaney@avtrex.com>
2699
2700         PR target/34409
2701         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2702         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2703         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2704         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2705         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2706
2707 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2708
2709         PR target/25477
2710         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2711         (BUILT_IN_NEXTTOWARD): Remove.
2712         (BUILT_IN_NEXTTOWARDF): Ditto.
2713         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2714         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2715
2716 2008-02-27  Tom Tromey  <tromey@redhat.com>
2717
2718         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2719         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2720
2721 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2722
2723         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2724         update the respective field on newdecl.
2725
2726 2008-02-27  Revital Eres  <eres@il.ibm.com>
2727
2728         PR rtl-optimization/34999
2729         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2730         crossing edges that ends with a call insn.
2731         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2732         call insn and clear the EDGE_CROSSING flag of the crossing edge
2733         when fixing fallthru edges.
2734
2735 2008-02-27  Richard Guenther  <rguenther@suse.de>
2736
2737         PR middle-end/35390
2738         * fold-const.c (fold_unary): Return the correct argument,
2739         converted to the result type.
2740
2741 2008-02-27  Richard Guenther  <rguenther@suse.de>
2742
2743         PR middle-end/34971
2744         * expr.c (expand_expr_real_1): Assert on rotates that operate
2745         on partial modes.
2746         * fold-const.c (fold_binary): Use the types precision, not the
2747         bitsize of the mode if folding rotate expressions.  Build rotates
2748         only for full modes.
2749
2750 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2751
2752         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2753         and CPP_PRAGMA_EOL.
2754         * c-pragma.c (pragma_ns_name): New typedef.
2755         (registered_pp_pragmas): New variable.
2756         (c_pp_lookup_pragma): New function.
2757         (c_register_pragma_1): If flag_preprocess_only, do nothing
2758         for non-expanded pragmas, for expanded ones push pragma's
2759         namespace and name into registered_pp_pragmas vector.
2760         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2761         flag_preprocess_only, don't register GCC pch_preprocess
2762         pragma if flag_preprocess_only.
2763         * c-opts.c (c_common_init): Call init_pragma even if
2764         flag_preprocess_only.
2765         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2766         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2767         cpp_register_pragma if flag_preprocess_only.
2768
2769 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2770
2771         PR c/28800
2772         * c-parser.c (c_parser_translation_unit): Warn for empty
2773         translation unit, not empty source file.
2774
2775 2008-02-26  Paul Brook  <paul@codesourcery.com>
2776
2777         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2778         operand for Thumb-2.
2779         * config/arm/arm.h (reg_class): Add CORE_REGS.
2780         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2781         (BASE_REG_CLASS): Use CORE_REGS.
2782         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2783         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2784         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2785         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2786         ARM_REGNO_OK_FOR_INDEX_P.
2787         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2788         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2789         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2790         (ldm/stm peepholes): Ditto.
2791         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2792         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2793         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2794         * config/arm/constraints.md: Enable "k" constraint on ARM.
2795
2796 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2797
2798         * config/rs6000/rs6000.c: Annotate cache line size field in all
2799         instances of struct processor_costs.
2800
2801 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2802
2803         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2804         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2805         jump_bypass): New counters.
2806         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2807         * dce.c (gate_ud_dce): Same.
2808         (gate_fast_dce): Same.
2809         * dse.c (gate_dse1): New function.
2810         (gate_dse2): New function.
2811         (gate_dse): Merge results of new gate functions.
2812         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2813         (gate_handle_jump_bypass): Add dbg_cnt.
2814         (gate_handle_gcse): Add dbg_cnt.
2815         * ifcvt.c (gate_handle_if_conversion): Same.
2816         (gate_handle_if_after_combine): Same.
2817         (gate_handle_if_after_reload): Same.
2818         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2819
2820 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2821
2822         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2823         line sizes.
2824         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2825
2826 2008-02-26  Jason Merrill  <jason@redhat.com>
2827
2828         PR c++/35315
2829         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
2830         alone if it's the naming decl for the type's main variant.
2831
2832 2008-02-26  Tom Tromey  <tromey@redhat.com>
2833
2834         * system.h (USE_MAPPED_LOCATION): Poison.
2835         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2836         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2837         (make_goto_expr_edges): Likewise.
2838         (remove_bb): Likewise.
2839         (execute_warn_function_return): Likewise.
2840         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2841         location_t.
2842         * c-common.c (fname_decl): Remove old location code.
2843         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2844         location code.
2845         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2846         variant.
2847         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2848         (gen_rtx_ASM_INPUT): Likewise.
2849         (gen_rtx_ASM_INPUT_loc): Likewise.
2850         (get_rtx_asm_OPERANDS): Remove.
2851         * cfglayout.c (insn_locators_alloc): Remove old location code.
2852         (set_curr_insn_source_location): Likewise.
2853         (curr_insn_locator): Likewise.
2854         * print-tree.c (print_node): Remove old location code.
2855         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2856         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2857         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2858         location_from_locus.
2859         (construct_exit_block): Remove old location code.
2860         * emit-rtl.c (force_next_line_note): Remove old location code.
2861         * profile.c (branch_prob): Remove old location code.
2862         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2863         LOC_LINE): Remove old-location variants.
2864         * langhooks.c (lhd_print_error_function): Remove old location
2865         code.
2866         * configure, config.in: Rebuilt.
2867         * configure.ac (--enable-mapped-location): Remove.
2868         * c-decl.c (c_init_decl_processing): Remove old location code.
2869         (finish_function): Likewise.
2870         * recog.c (decode_asm_operands): Remove old location code.
2871         * c-pch.c (c_common_read_pch): Remove old location code.
2872         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2873         variants.
2874         * gimple-low.c (lower_function_body): Remove old location code.
2875         * toplev.c (unknown_location): Remove.
2876         (push_srcloc): Remove old-location variant.
2877         (process_options): Remove old location code.
2878         (lang_dependent_init): Likewise.
2879         * input.h (UNKNOWN_LOCATION): Move definition.
2880         (location_t): Undeprecate.
2881         (source_locus): Remove.
2882         (location_from_locus): Remove.
2883         (struct location_s): Remove.
2884         Remove all old-location code.
2885         (input_line, input_filename): Remove.
2886         * final.c (final_scan_insn): Remove old location code.
2887         * diagnostic.c (diagnostic_build_prefix): Remove
2888         USE_MAPPED_LOCATION test.
2889         * tree.h (gimple_stmt) <locus>: Now a location_t.
2890         (tree_exp) <locus>: Likewise.
2891         (DECL_IS_BUILTIN): Remove old-location variant.
2892         (annotate_with_file_line, annotate_with_locus): Likewise.
2893         (expr_locus, set_expr_locus): Update.
2894         * tree.c (build1_stat): Remove old location code.
2895         (last_annotated_node): Remove.
2896         (annotate_with_file_line): Remove old-location variant.
2897         (annotate_with_locus): Likewise.
2898         (expr_location): Remove old location code.
2899         (set_expr_location): Likewise.
2900         (expr_has_location): Likewise.
2901         (expr_locus): Likewise.
2902         (set_expr_locus): Likewise.
2903         (expr_filename): Don't use location_from_locus.
2904         (expr_lineno): Likewise.
2905         * rtl-error.c (location_for_asm): Remove old location code.
2906         * c-lex.c (cb_line_change): Remove old location code.
2907         (fe_file_change): Likewise.
2908         (cb_def_pragma): Likewise.
2909         (c_lex_with_flags): Likewise.
2910         * gengtype.c (do_typedef): Don't special-case location types.
2911         (define_location_structures): Remove.
2912         (main): Don't call define_location_structures.
2913         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2914         code.
2915
2916 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2917
2918         PR 26264
2919         * builtins.def (BUILT_IN_STDARG_START): Remove.
2920         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2921         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2922         * tree-inline.c (inline_forbidden_p_1): Likewise.
2923         
2924 2008-02-26  Richard Guenther  <rguenther@suse.de>
2925
2926         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2927         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2928         (lookup_decl_from_uid): Declare.
2929         (remove_decl_from_map): Likewise.
2930         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2931         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2932         (decl_for_uid_map): New global hashtable mapping DECL_UID
2933         to the decl tree.
2934         (init_ttree): Allocate it.
2935         (insert_decl_to_uid_decl_map): New helper function.
2936         (make_node_stat): Insert new decls into the map.
2937         (copy_node_stat): Likewise.
2938         (lookup_decl_from_uid): New function.
2939         (remove_decl_from_map): Likewise.
2940         (print_decl_for_uid_map_statistics): New helper.
2941         (dump_tree_statistics): Call it.
2942
2943         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2944         (referenced_var_iterator): Adjust.
2945         (FOR_EACH_REFERENCED_VAR): Adjust.
2946         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2947         (num_referenced_vars): Adjust.
2948         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2949         (first_referenced_var): Remove.
2950         (end_referenced_vars_p): Likewise.
2951         (next_referenced_var): Likewise.
2952         (referenced_var_iterator_set): New helper function.
2953         * tree-dfa.c (referenced_var_lookup): Adjust.
2954         (referenced_var_check_and_insert): Likewise.
2955         (remove_referenced_var): Likewise.
2956         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2957         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2958         (verify_call_clobbering): Likewise.
2959         (verify_memory_partitions): Likewise.
2960         (init_tree_ssa): Allocate bitmap instead of hashtable for
2961         referenced_vars.
2962         (delete_tree_ssa): Adjust.
2963         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2964         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2965         (compute_tag_properties): Likewise.
2966         (set_initial_properties): Likewise.
2967         (find_partition_for): Likewise.
2968         (update_reference_counts): Likewise.
2969         (dump_may_aliases_for): Likewise.
2970         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2971         (add_call_clobber_ops): Likewise.
2972         (add_call_read_ops): Likewise.
2973         (get_asm_expr_operands): Likewise.
2974         * tree-into-ssa.c (dump_decl_set): Likewise.
2975         (update_ssa): Likewise.
2976         * tree-sra.c (scan_function): Likewise.
2977         (decide_instantiations): Likewise.
2978         (scalarize_parms): Likewise.
2979         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2980         (dsa_named_for): Likewise.
2981         * tree-ssa-structalias.c (update_alias_info): Likewise.
2982         (merge_smts_into): Likewise.
2983
2984 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2985
2986         PR 34351
2987         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2988         * c-opts.c (c_common_handle_option): Wall enables
2989         Wvolatile-register-var.
2990         * common.opt: Move Wvolatile-register-var to...
2991         * c.opt: ...here.
2992         
2993 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2994
2995         * common.opt (Wlarger-than=): New.
2996         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2997         -Wlarger-than=.
2998         * opts.c (common_handle_option): Handle -Wlarger-than=.
2999         * optc-gen.awk: Likewise.
3000         * opth-gen.awk: Likewise.
3001         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3002         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3003         
3004 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3005
3006         * c-common.c (match_case_to_enum_1): Add appropriate
3007         OPT_W* parameter to warning.
3008         (c_do_switch_warnings): Likewise.
3009         * c-typeck.c (warning_init): Add one more parameter following
3010         'warning' function.
3011         (push_init_level): Update call to warning_init.
3012         (pop_init_level): Likewise.
3013         (add_pending_init): Likewise.
3014         (output_init_element: Likewise.
3015
3016 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3017
3018         PR 28322
3019         * toplev.c (toplev_main): If there are warnings or error, print
3020         errors for ignored options.
3021         * opts.c (ignored_options): New static variable.
3022         (postpone_unknown_option_error): New.
3023         (print_ignored_options): New.
3024         (handle_option): Postpone errors for unknown -Wno-* options.
3025         * opts.h (print_ignored_options): Declare.
3026         
3027 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
3028
3029         * config/mips/mips.md (loadgp_blockage, blockage): Change type
3030         to "ghost".
3031
3032 2008-02-25  Richard Guenther  <rguenther@suse.de>
3033
3034         Revert:
3035         2008-02-25  Richard Guenther  <rguenther@suse.de>
3036
3037         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3038         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3039         (lookup_decl_from_uid): Declare.
3040         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3041         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3042         (decl_for_uid_map): New global hashtable mapping DECL_UID
3043         to the decl tree.
3044         (init_ttree): Allocate it.
3045         (insert_decl_to_uid_decl_map): New helper function.
3046         (make_node_stat): Insert new decls into the map.
3047         (copy_node_stat): Likewise.
3048         (lookup_decl_from_uid): New function.
3049         (print_decl_for_uid_map_statistics): New helper.
3050         (dump_tree_statistics): Call it.
3051
3052         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3053         (referenced_var_iterator): Adjust.
3054         (FOR_EACH_REFERENCED_VAR): Adjust.
3055         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3056         (num_referenced_vars): Adjust.
3057         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3058         (first_referenced_var): Remove.
3059         (end_referenced_vars_p): Likewise.
3060         (next_referenced_var): Likewise.
3061         (referenced_var_iterator_set): New helper function.
3062         * tree-dfa.c (referenced_var_lookup): Adjust.
3063         (referenced_var_check_and_insert): Likewise.
3064         (remove_referenced_var): Likewise.
3065         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3066         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3067         (verify_call_clobbering): Likewise.
3068         (verify_memory_partitions): Likewise.
3069         (init_tree_ssa): Allocate bitmap instead of hashtable for
3070         referenced_vars.
3071         (delete_tree_ssa): Adjust.
3072         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3073         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3074         (compute_tag_properties): Likewise.
3075         (set_initial_properties): Likewise.
3076         (find_partition_for): Likewise.
3077         (update_reference_counts): Likewise.
3078         (dump_may_aliases_for): Likewise.
3079         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3080         (add_call_clobber_ops): Likewise.
3081         (add_call_read_ops): Likewise.
3082         (get_asm_expr_operands): Likewise.
3083         * tree-into-ssa.c (dump_decl_set): Likewise.
3084         (update_ssa): Likewise.
3085         * tree-sra.c (scan_function): Likewise.
3086         (decide_instantiations): Likewise.
3087         (scalarize_parms): Likewise.
3088         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3089         (dsa_named_for): Likewise.
3090         * tree-ssa-structalias.c (update_alias_info): Likewise.
3091         (merge_smts_into): Likewise.
3092
3093 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3094
3095         PR fortran/29549
3096         * doc/invoke.texi (-fcx-limited-range): Document new option.
3097         * toplev.c (process_options): Handle -fcx-fortran-rules.
3098         * common.opt: Add documentation for -fcx-fortran-rules.
3099
3100 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3101
3102         PR c/35162
3103         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3104         actual behaviour and C99.
3105         
3106 2008-02-26  Ben Elliston  <bje@au.ibm.com>
3107
3108         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3109         (ASM_CPU_POWER6_SPEC): Likewise.
3110         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3111         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3112         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3113
3114 2008-02-25  Richard Guenther  <rguenther@suse.de>
3115
3116         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3117         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3118         (lookup_decl_from_uid): Declare.
3119         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3120         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3121         (decl_for_uid_map): New global hashtable mapping DECL_UID
3122         to the decl tree.
3123         (init_ttree): Allocate it.
3124         (insert_decl_to_uid_decl_map): New helper function.
3125         (make_node_stat): Insert new decls into the map.
3126         (copy_node_stat): Likewise.
3127         (lookup_decl_from_uid): New function.
3128         (print_decl_for_uid_map_statistics): New helper.
3129         (dump_tree_statistics): Call it.
3130
3131         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3132         (referenced_var_iterator): Adjust.
3133         (FOR_EACH_REFERENCED_VAR): Adjust.
3134         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3135         (num_referenced_vars): Adjust.
3136         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3137         (first_referenced_var): Remove.
3138         (end_referenced_vars_p): Likewise.
3139         (next_referenced_var): Likewise.
3140         (referenced_var_iterator_set): New helper function.
3141         * tree-dfa.c (referenced_var_lookup): Adjust.
3142         (referenced_var_check_and_insert): Likewise.
3143         (remove_referenced_var): Likewise.
3144         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3145         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3146         (verify_call_clobbering): Likewise.
3147         (verify_memory_partitions): Likewise.
3148         (init_tree_ssa): Allocate bitmap instead of hashtable for
3149         referenced_vars.
3150         (delete_tree_ssa): Adjust.
3151         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3152         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3153         (compute_tag_properties): Likewise.
3154         (set_initial_properties): Likewise.
3155         (find_partition_for): Likewise.
3156         (update_reference_counts): Likewise.
3157         (dump_may_aliases_for): Likewise.
3158         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3159         (add_call_clobber_ops): Likewise.
3160         (add_call_read_ops): Likewise.
3161         (get_asm_expr_operands): Likewise.
3162         * tree-into-ssa.c (dump_decl_set): Likewise.
3163         (update_ssa): Likewise.
3164         * tree-sra.c (scan_function): Likewise.
3165         (decide_instantiations): Likewise.
3166         (scalarize_parms): Likewise.
3167         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3168         (dsa_named_for): Likewise.
3169         * tree-ssa-structalias.c (update_alias_info): Likewise.
3170         (merge_smts_into): Likewise.
3171
3172 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3173
3174         PR target/35258
3175         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3176         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3177         * alias.h (nonoverlapping_memrefs_p): Likewise.
3178
3179 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3180
3181         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3182         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3183         __emultls_get_address, __emultls_register_common,
3184         __floatundi?f, and _Unwind_GetIPInfo.
3185         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3186         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3187         (gen_regparm_prefix): Likewise.
3188         (i386_nlm_encode_section_info): Sync with
3189         config/i386/winnt.c:i386_pe_encode_section_info().
3190         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3191         i386_nlm_mangle_decl_assembler_name): New.
3192         (netware_override_options): New.
3193         * config/i386/netware.h (netware_override_options): Declare.
3194         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3195         (i386_nlm_mangle_decl_assembler_name): Declare.
3196         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3197
3198 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3199
3200         PR other/32948
3201         * c-decl.c (grokdeclarator): Remove unused local variables
3202         `typedef_type' and `type_as_written'.
3203         * bb-reorder.c
3204         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3205         unused local variable `has_hot_blocks'.
3206         (fix_crossing_conditional_branches): Remove unused local variable
3207         `prev_bb'.
3208         
3209 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3210
3211         PR middle-end/19984
3212         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3213         using DEF_C99_BUILTIN.
3214         (BUILT_IN_NANF): Ditto.
3215         (BUILT_IN_NANL): Ditto.
3216
3217 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3218             Revital Eres  <eres@il.ibm.com>
3219
3220         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3221         regarding the order of two dependent insns in the same row.
3222
3223 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3224
3225         * stor-layout.c (layout_decl): Do not bump the alignment of a
3226         bit-field to more than byte alignment if it is packed.
3227
3228 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3229
3230         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3231         e300c2 and e300c3.
3232
3233 2008-02-24  Diego Novillo  <dnovillo@google.com>
3234
3235         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3236
3237         PR 33738
3238         * tree-vrp.c (vrp_evaluate_conditional): With
3239         -Wtype-limits, emit a warning when comparing against a
3240         constant outside the natural range of OP0's type.
3241         * c.opt (Wtype-limits): Move ...
3242         * common.opt (Wtype-limits): ... here.
3243
3244 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
3245
3246         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3247         * config/rs6000/e300c2c3.md: New file.
3248         * config/rs6000/rs6000.c (processor_costs): Add new costs for
3249         e300c2 and e300c3.
3250         (rs6000_override_options): Add e300c2 and e300c3 cases to
3251         processor_target_table. Do not allow usage of Altivec or Spe
3252         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3253         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3254         * config/rs6000/rs6000.h (processor_type): Add
3255         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3256         (ASM_CPU_SPEC): Add e300c2 and e300c3.
3257         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3258         and ppce300c3. Include e300c2c3.md.
3259
3260 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
3261
3262         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3263         instead of TARGET_STRICT_ALIGN.
3264
3265 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
3266
3267         * explow.c (memory_address): Assert that the generated address is
3268         valid.
3269
3270 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3271
3272         PR target/25477
3273         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3274         * config/darwin-ppc-ldouble-patch.def: New file.
3275         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3276         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3277         SUBTARGET_INIT_BUILTINS if defined.
3278         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3279         New functions.
3280
3281 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3282
3283         PR rtl-opt/33512
3284         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3285         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3286
3287 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3288
3289         PR pch/35027
3290         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3291         file" warning condtional on -Winvalid-PCH.
3292
3293 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3294
3295         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3296
3297 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
3298
3299         PR target/22076
3300         PR target/34256 
3301         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3302         prevent reload from using MMX registers.
3303         (*mov<mode>_internal): Ditto.
3304         (*movv2sf_internal_rex64): Ditto.
3305         (*movv2sf_internal): Ditto.
3306
3307 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3308
3309         PR documentation/31569
3310         * doc/install.texi2html: Use makeinfo --no-number-sections.
3311
3312 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3313
3314         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3315         ensure that we can address an entire entity > 8 bytes.  Don't
3316         generate reg+reg addressing for such data.
3317
3318 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3319
3320         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3321         strings when optimizing for size, unless the target cares about
3322         alignment.
3323
3324 2008-02-22  Tom Tromey  <tromey@redhat.com>
3325
3326         * regclass.c (current_pass): Remove declaration.
3327
3328 2008-02-22  Anatoly Sokolov <aesok@post.ru>
3329
3330         * config/avr/libgcc.S (__RAMPZ__): Define.
3331         (__do_copy_data): Add for devices with 128KB code memory.
3332
3333 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3334
3335         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3336         Use spe_abi.
3337         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3338
3339 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
3340
3341         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3342         GENNONACR_REGS.
3343
3344 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3345
3346         PR c/19999
3347         * c-typeck.c (build_binary_op): Warn about floating point
3348         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3349
3350 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3351
3352         PR target/34526
3353         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3354         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3355         add vrsave.
3356         (rs6000_override_options): Set altivec_abi as default, not override,
3357         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3358         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3359         is used; use new member spe_abi.
3360         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3361         spe_abi and altivec_abi.
3362
3363 2008-02-22  Tomas Bily  <tbily@suse.cz>
3364
3365         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3366
3367 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3368
3369         PR bootstrap/35273
3370         * config.build (build_file_translate): Set to `CMD //c' only if
3371         it works.
3372         * Makefile.in (build_file_translate): Improve comment.
3373
3374 2008-02-21  Jan Hubicka  <jh@suse.cz>
3375
3376         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3377         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3378         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3379
3380 2008-02-21  Michael Matz  <matz@suse.de>
3381
3382         PR target/35264
3383         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3384
3385 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3386
3387         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3388         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3389         as insn constraint.
3390         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3391         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3392         SSE_VEC_FLOAT_MODE_P as insn constraint.
3393         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3394         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3395         sse4a_movntdf using MODEF mode iterator.
3396         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3397         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3398         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3399         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3400         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3401         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3402         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3403
3404 2008-02-21  Richard Guenther  <rguenther@suse.de>
3405
3406         * tree.def (PAREN_EXPR): New tree code.
3407         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3408         and PAREN_EXPR.
3409         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3410         * expr.c (expand_expr_real_1): Likewise.
3411         * tree-inline.c (estimate_num_insns_1): Likewise.
3412         * tree-complex.c (expand_complex_move): Likewise.
3413         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3414         as plain x.
3415
3416 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3417
3418         PR target/35225
3419         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3420
3421 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3422
3423         PR target/35190
3424         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3425
3426         * config/sh/sh.c (find_barrier): Don't go past
3427         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3428
3429 2008-02-20  DJ Delorie  <dj@redhat.com>
3430
3431         * config/h8300/h8300.md (insv): Force source operand to be a register.
3432
3433         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3434         as a jump, not as a plain insn.
3435         
3436 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3437
3438         * doc/invoke.texi (Warning Options): Add new option
3439         -Wframe-larger-than=.
3440         (-Wframe-larger-than): Document.
3441
3442         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3443         Add declarations for new option variables.
3444
3445         * final.c (final_start_function): Check the frame size
3446         before emission and issue a Wframe-larger-than warning.
3447
3448         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3449         Add definitions for new option variables.
3450         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3451
3452         * common.opt (Wframe-larger-than=): New option.
3453
3454 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3455
3456         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3457         (<sse>_div<mode>3): Ditto.
3458         (<sse>_vmdiv<mode>3): Ditto.
3459         (<sse>_vmsqrt<mode>2): Ditto.
3460         (*smax<mode>3): Ditto.
3461         (sse5_frcz<mode>2): Ditto.
3462         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3463         as insn constraint.
3464
3465 2008-02-20  Richard Guenther  <rguenther@suse.de>
3466
3467         PR middle-end/35265
3468         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3469         be happy with INTEGRAL_TYPE_P.
3470
3471 2008-02-20  Richard Guenther  <rguenther@suse.de>
3472
3473         * fold-const.c (split_tree): Associate floatig-point expressions
3474         if flag_associative_math is set.
3475
3476 2008-02-20  Richard Guenther  <rguenther@suse.de>
3477
3478         * tree.h (fold_real_zero_addition_p): Declare.
3479         * fold-const.c (fold_real_zero_addition_p): Export.
3480         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3481         floating-point operations with zero and one.
3482
3483 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3484
3485         * doc/install.texi: Correct references to CFLAGS, replacing them
3486         with BOOT_CFLAGS.  Document flags used during bootstrap for
3487         target libraries.
3488                                 
3489 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3490
3491         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3492         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3493         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3494         insn constraint.
3495         (smin<mode>3): Ditto from similar patterns.
3496         (smax<mode>3): Ditto.
3497         (*ieee_smin<mode>3): Ditto.
3498         (*ieee_smax<mode>3): Ditto.
3499         * config/i386/sse.md (sse): New mode attribute.
3500         (mov<mode>): Macroize expander from movv4sf and movv2df using
3501         SSEMODEF2P mode iterator.
3502         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3503         SSE_VEC_FLOAT_MODE_P as insn constraint.
3504         (storent<mode>): Ditto.
3505         (storent<mode>): Macroize expander from storentsf and storentdf using
3506         MODEF mode iterator.
3507         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3508         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3509         (abs<mode>2): Ditto from similar patterns.
3510         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3511         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3512         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3513         (<sse>_vmsqrt<mode>2): Ditto.
3514         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3515         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3516         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3517         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3518         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3519         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3520         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3521         insn constraint.
3522         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3523         iterator and SSE_FLOAT_MODE_P as insn constraint.
3524         (<sse>_ucomi): Ditto from similar patterns.
3525         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3526         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3527         SSE_VEC_FLOAT_MODE_P as insn constraint.
3528         (vcond<mode>): Ditto from similar patterns.
3529         (and<mode>3, *and<mode>3): Ditto.
3530         (<sse>_nand<mode>3): Ditto.
3531         (ior<mode>3, *ior<mode>3): Ditto.
3532         (xor<mode>3, *xor<mode>3): Ditto.
3533         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3534         iterator and SSE_FLOAT_MODE_P as insn constraint.
3535         (*nand<mode>3): Ditto from similar patterns.
3536         (*ior<mode>3): Ditto.
3537         (*xor<mode>3): Ditto.
3538
3539 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3540
3541         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3542         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3543         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3544
3545 2008-02-19  Jan Hubicka  <jh@suse.cz>
3546
3547         * predict.c (tree_bb_level_predictions): Remove variable next
3548         mistakely introduced by previous commit.
3549
3550 2008-02-19  Jan Hubicka  <jh@suse.cz>
3551
3552         * predict.c (predict_paths_leading_to): Rewrite.
3553         (predict_paths_for_bb): New.
3554         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3555
3556 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3557
3558         PR bootstrap/35218
3559         * Makefile.in (build_file_translate): New.
3560         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3561         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3562         * configure.ac (build_file_translate): Substitute it.
3563         * configure: Regenerate.
3564
3565 2008-02-19  Jan Hubicka  <jh@suse.cz>
3566
3567         PR rtl-optimization/34408
3568         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3569         invalid sharing.
3570
3571 2008-02-19  Jan Hubicka  <jh@suse.cz>
3572
3573         PR middle-end/28779
3574         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3575         call_expr.
3576
3577 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3578
3579         PR Ada/35186
3580         * config/i386/i386-modes.def: Revert the last DI alignment
3581         change until Ada people can look into it.
3582
3583 2008-02-19  Nick Clifton  <nickc@redhat.com>
3584
3585         * opts.c (print_specific_help): Fix typo in --help text.
3586
3587 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
3588
3589         PR target/35239
3590         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3591         32-bit inline asm without asm alternatives for host GCC < 3.0.
3592
3593 2008-02-19  Richard Guenther  <rguenther@suse.de>
3594
3595         PR tree-optimization/34989
3596         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3597         Allow propagation to INDIRECT_REF if we can simplify only.
3598
3599 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3600
3601         * c-common.c (warn_for_collisions_1): Use appropriate option when
3602         warning.
3603
3604 2008-02-19  Nick Clifton  <nickc@redhat.com>
3605
3606         PR other/31349
3607         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3608         (handle_options): Fix indentation.
3609         (print_filtered_help): If no language-specific options were
3610         displayed tell the user how to list all the options supported by
3611         the language's front-end.
3612         (print_specific_help): Fix indentation and remove duplicate line.
3613         (common_handle_option): Handle the -v option.
3614         For --help enable the display of undocumented options if the -v
3615         switch has been included on the command line.
3616         For --help= check for overlaps in the arguments between the option
3617         classes and the language names and issue a warning when they
3618         cannot be disambiguated.
3619         * c.opt (v): Pass on to the common option handler.
3620
3621 2008-02-19  Revital Eres  <eres@il.ibm.com> 
3622
3623         * modulo-sched.c (sms_schedule): Change dump message when
3624         create_ddg function fails.
3625         (try_scheduling_node_in_cycle): Rename row to cycle.
3626         (print_partial_schedule): Rename CYCLE to ROW.
3627
3628 2008-02-19  Christian Bruel  <christian.bruel@st.com>
3629             Zdenek Dvorak  <ook@ucw.cz>
3630
3631         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3632
3633 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3634
3635         PR target/33555
3636         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3637         (*x86_movdicc_0_m1_se): Ditto.
3638
3639 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3640
3641         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3642         (CMPtype): Define as __gcc_CMPtype.
3643         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3644         (CMPtype): Define as __gcc_CMPtype.
3645
3646 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
3647
3648         Support valgrind 3.3 for --enable-checking=valgrind.
3649         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3650         here.
3651         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3652         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3653         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3654         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3655         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3656         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3657         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3658         respectively.
3659         * ggc-zone.c: Similar.
3660         * ggc-page.c: Similar.
3661
3662 2008-02-19  Paul Brook  <paul@codesourcery.com>
3663
3664         PR target/35071
3665         * config/arm/ieee754-df.S: Fix do_it typo.
3666         * config/arm/ieee754-sf.S: Fix do_it typo.
3667
3668 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3669
3670         PR target/35189
3671         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3672         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3673         (OPTION_MASK_ISA_SSE_SET): Likewise.
3674         (OPTION_MASK_ISA_SSE2_SET): Likewise.
3675         (OPTION_MASK_ISA_SSE3_SET): Likewise.
3676         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3677         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3678         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3679         (OPTION_MASK_ISA_SSE4_SET): Likewise.
3680         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3681         (OPTION_MASK_ISA_SSE5_SET): Likewise.
3682         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3683         (OPTION_MASK_ISA_MMX_UNSET): Updated.
3684         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3685         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3686         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3687         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3688         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3689         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3690         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3691         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3692         (OPTION_MASK_ISA_SSE4): Removed.
3693         (ix86_handle_option): Turn on bits in ix86_isa_flags and
3694         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3695         (override_options): Don't turn on implied SSE/MMX bits in
3696         ix86_isa_flags.
3697
3698 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3699
3700         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3701         32bit host.
3702
3703 2008-02-18  Joey Ye  <joey.ye@intel.com>
3704
3705         PR middle-end/34921
3706         * tree-nested.c (insert_field_into_struct): Set type alignment
3707         to field alignment if the former is less than the latter.
3708
3709 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
3710
3711         * BASE-VER: Set to 4.4.0.
3712
3713 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3714
3715         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3716         * doc/cfg.texi: Likewise.
3717         * doc/extend.texi: Likewise.
3718         * doc/gty.texi: Likewise.
3719         * doc/invoke.texi: Likewise.
3720         * doc/loop.texi: Likewise.
3721         * doc/md.texi: Likewise.
3722         * doc/passes.texi: Likewise.
3723         * doc/rtl.texi: Likewise.
3724         * doc/sourcebuild.texi: Likewise.
3725         * doc/tm.texi: Likewise.
3726         * doc/tree-ssa.texi: Likewise.
3727
3728 2008-02-17  Richard Guenther  <rguenther@suse.de>
3729
3730         PR middle-end/35227
3731         * tree-complex.c (init_parameter_lattice_values): Handle parameters
3732         without default definition.
3733
3734 2008-02-17  Richard Guenther  <rguenther@suse.de>
3735
3736         PR tree-optimization/35231
3737         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3738         if A | B != 1.
3739
3740 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
3741
3742         Revert:
3743         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
3744         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3745         libgcc_cmp_return mode.
3746
3747 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3748
3749         PR c/28368
3750         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3751
3752 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
3753
3754         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3755         multilibs.
3756
3757 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3758
3759         * doc/c-tree.texi: Use `@.' where appropriate.
3760         * doc/extend.texi: Likewise.
3761         * doc/install.texi: Likewise.
3762         * doc/invoke.texi: Likewise.
3763         * doc/loop.texi: Likewise.
3764         * doc/makefile.texi: Likewise.
3765         * doc/md.texi: Likewise.
3766         * doc/passes.texi: Likewise.
3767         * doc/standards.texi: Likewise.
3768         * doc/tm.texi: Likewise.
3769
3770 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3771
3772         PR middle-end/35196
3773         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3774         in entry_bb.
3775         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3776         rather than in entry_bb.
3777
3778 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3779
3780         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3781         libgcc_cmp_return mode.
3782
3783 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3784
3785         PR middle-end/35130
3786         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3787         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3788
3789 2008-02-15  Richard Guenther  <rguenther@suse.de>
3790             Zdenek Dvorak  <ook@ucw.cz>
3791
3792         PR tree-optimization/35164
3793         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3794         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3795         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3796         Only propagate addresses which do not have abnormal SSA_NAMEs
3797         in their operands.
3798
3799 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
3800
3801         PR target/35088
3802         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3803
3804 2008-02-15  Jan Hubicka  <jh@suse.cz>
3805
3806         PR middle-end/35149
3807         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3808
3809 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3810
3811         PR middle-end/34621
3812         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3813         when calculating alignment_pad.
3814
3815 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3816
3817         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3818         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3819         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3820         and STACK_BOUNDARY define.
3821
3822 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
3823
3824         PR preprocessor/35061
3825         * c-pragma.c (handle_pragma_pop_macro): Check that
3826         pushed_macro_table has been allocated.
3827
3828 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3829
3830         PR middle-end/35136
3831         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3832         (force_gimple_operand): Likewise.
3833         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3834         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3835         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3836         (find_interesting_uses_address): Check addressability and alignment
3837         of the base expression only after substituting bases of IVs into it.
3838
3839 2008-02-14  Michael Matz  <matz@suse.de>
3840
3841         PR target/34930
3842         * function.c (instantiate_virtual_regs_in_insn): Reload address
3843         before falling back to reloading the whole operand.
3844
3845 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3846
3847         * config/s390/s390.c (s390_mainpool_start): Emit the pool
3848         before the first section switch note.
3849
3850 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3851
3852         * doc/bugreport.texi: Update copyright years.
3853         * doc/c-tree.texi: Likewise.
3854         * doc/cfg.texi: Likewise.
3855         * doc/cpp.texi: Likewise.
3856         * doc/cppinternals.texi: Likewise.
3857         * doc/fragments.texi: Likewise.
3858         * doc/frontends.texi: Likewise.
3859         * doc/gcc.texi: Likewise.
3860         * doc/gty.texi: Likewise.
3861         * doc/hostconfig.texi: Likewise.
3862         * doc/implement-c.texi: Likewise.
3863         * doc/libgcc.texi: Likewise.
3864         * doc/loop.texi: Likewise.
3865         * doc/makefile.texi: Likewise.
3866         * doc/options.texi: Likewise.
3867         * doc/passes.texi: Likewise.
3868         * doc/rtl.texi: Likewise.
3869         * doc/sourcebuild.texi: Likewise.
3870         * doc/standards.texi: Likewise.
3871         * doc/tree-ssa.texi: Likewise.
3872         * doc/trouble.texi: Likewise.
3873
3874         * doc/extend.texi: Use @: or add comma where appropriate.
3875         * doc/invoke.texi: Likewise.
3876         * doc/tm.texi: Likewise.
3877
3878 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
3879
3880         PR target/34393
3881         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3882         to a reg.
3883
3884 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
3885
3886         * doc/md.texi (clz, ctz): Add reference.
3887         * doc/rtl.texi (clz, ctz): Likewise.
3888
3889 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3890
3891         PR other/35148
3892         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3893         srcdir.
3894
3895 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
3896
3897         * config/s390/s390.c (struct constant_pool): New field
3898         emit_pool_after added.
3899         (s390_mainpool_start): Set the emit_pool_after flag according
3900         to the section switch notes.
3901         (s390_mainpool_finish): Consider emit_pool_after when emitting
3902         the literal pool at the end of the function.
3903         (s390_chunkify_start): Force literal pool splits at section
3904         switch notes.
3905
3906 2008-02-13  Michael Matz  <matz@suse.de>
3907
3908         PR debug/35065
3909         * var-tracking.c (clobber_variable_part): Correctly traverse the
3910         list.
3911
3912 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3913
3914         PR 29673
3915         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3916         Add -fdump-ipa-inline.
3917         * tree-dump.c (dump_files): Remove tree-inlined dump.
3918         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3919         
3920 2008-02-12  Richard Guenther  <rguenther@suse.de>
3921
3922         PR tree-optimization/35171
3923         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3924         default defs.
3925
3926 2008-02-12  Richard Guenther  <rguenther@suse.de>
3927
3928         PR middle-end/35163
3929         * fold-const.c (fold_widened_comparison): Use get_unwidened in
3930         value-preserving mode.  Disallow final truncation.
3931
3932 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3933
3934         PR middle-end/35136
3935         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3936         code from here to...
3937         (force_gimple_operand): ...here.
3938
3939 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
3940
3941         PR c++/35144
3942         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3943         non-compatible pointers.
3944         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3945         different FIELD_DECLs, try harder by comparing field offsets, sizes
3946         and types.
3947
3948         PR inline-asm/35160
3949         * function.c (match_asm_constraints_1): Don't replace the same input
3950         multiple times.
3951
3952 2008-02-12  Anatoly Sokolov <aesok@post.ru>
3953
3954         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3955         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3956         (expand_epilogue): Restore RAMPZ register.
3957         * config/avr/avr.md (RAMPZ_ADDR): New constant.
3958
3959 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
3960
3961         * config/i386/cygwin.asm: (__alloca): Correct calling
3962         convention and alignment.
3963         (__chkstk): Force 8 byte stack alignment.
3964
3965 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
3966             Richard Guenther  <rguenther@suse.de>
3967
3968         PR tree-optimization/33992
3969         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3970         the zero we compare against.
3971
3972 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
3973
3974         PR libfortran/35063
3975         * gthr-win32.h (__gthread_mutex_destroy_function): New function
3976         to CloseHandle after unlocking to prevent accumulation of handle
3977         count.
3978
3979 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3980
3981         PR middle_end/34150
3982         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3983         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
3984         and update LABEL_NUSES during and after reload.
3985
3986 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
3987
3988         PR middle-end/34627
3989         * combine.c (simplify_if_then_else): Make sure the comparison is
3990         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3991
3992 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3993
3994         PR bootstrap/35051
3995         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3996         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3997         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3998         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3999         * tree.h (get_type_static_bounds): Likewise.
4000
4001 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4002
4003         * doc/invoke.texi (Option Summary, C++ Dialect Options)
4004         (Objective-C and Objective-C++ Dialect Options, Warning Options):
4005         Make -Wfoo language annotations match what the compiler outputs.
4006
4007 2008-02-08  Sa Liu  <saliu@de.ibm.com>
4008
4009         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
4010         intrinsics spu_convts, spu_convtu, spu_convtf.
4011         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
4012
4013 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
4014
4015         * doc/extend.texi (Function Attributes) <noinline>: Mention
4016         asm ("") as method to keep calls.
4017
4018 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4019
4020         PR other/32754
4021         * doc/options.texi (Options): Replace references to opts.sh with
4022         optc-gen.awk.
4023         * opts-common.c: Likewise.
4024         * optc-gen.awk: Likewise.
4025         
4026 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4027
4028         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
4029
4030 2008-02-07  Richard Henderson  <rth@redhat.com>
4031
4032         PR rtl-opt/33410
4033         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
4034         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
4035         funny mode.
4036
4037 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
4038
4039         PR tree-optimization/35085
4040         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
4041         for operand entry oe2 in addition to operand entry oe3 in order to
4042         expose more opportunities for vectorizer sum reduction.
4043
4044 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4045
4046         PR other/35107
4047         * Makefile.in (LIBS): Remove $(GMPLIBS).
4048         (cc1-dummy, cc1): Add $(GMPLIBS).
4049
4050 2008-02-06  Jan Hubicka  <jh@suse.cz>
4051
4052         PR target/23322
4053         * i386.md (moddf_integer): Do not produce partial memory stalls for
4054         targets where it hurts.
4055
4056 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
4057
4058         PR target/35083
4059         * optabs.c (expand_float): Do not check for decimal modes when
4060         expanding unsigned integer through signed conversion.
4061
4062 2008-02-06  Nick Clifton  <nickc@redhat.com>
4063
4064         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
4065         inside the clobber with a match_operand and duplicated operand
4066         number in the constraint.
4067         (ineqbranchsi): Delete redundant comment.
4068
4069 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
4070
4071         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
4072         builtin_define ("__USE_INIT_FINI__").
4073         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
4074         -msx multilibs.
4075         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
4076
4077 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4078
4079         PR documentation/30330
4080         * doc/invoke.texi (C++ Dialect Options)
4081         (Objective-C and Objective-C++ Dialect Options, Warning Options):
4082         For each warning option -Wfoo that allows -Wno-foo, ensure both
4083         -Wfoo and -Wno-foo are listed in the option index.  Fix index
4084         entry of -Wswitch-default, index -Wnormalized= including the
4085         `=', and -Wlarger-than-@var{len} including @var{len}.
4086
4087 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
4088
4089         * config/i386/i386.md (floatunssisf2): Use
4090         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
4091         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
4092         Macroize expander using MODEF mode iterator.
4093
4094 2008-02-05  Diego Novillo  <dnovillo@google.com>
4095
4096         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
4097
4098         PR 33738
4099         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
4100
4101 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4102
4103         PR other/35070
4104         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
4105
4106 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
4107
4108         PR target/35084
4109         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
4110         to indicate if a message should be generated.
4111         (init_cumulative_args): Updated.
4112         (function_value_32): Likewise.
4113
4114 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
4115
4116         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
4117
4118 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
4119
4120         PR target/35083
4121         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
4122         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
4123
4124 2008-02-04  Diego Novillo  <dnovillo@google.com>
4125
4126         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
4127
4128         PR 33738
4129         * tree-vrp.c (vrp_evaluate_conditional): With
4130         -Wtype-limits, emit a warning when comparing against a
4131         constant outside the natural range of OP0's type.
4132
4133 2008-02-04  Richard Guenther  <rguenther@suse.de>
4134
4135         PR middle-end/33631
4136         * expr.c (count_type_elements): Give for unions instead of
4137         guessing.
4138
4139 2008-02-04  Richard Guenther  <rguenther@suse.de>
4140
4141         PR middle-end/35043
4142         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
4143         to TYPE_DOMAINs base type instead of using bitsizetype here.
4144
4145 2008-02-03  Jason Merrill  <jason@redhat.com>
4146
4147         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
4148
4149 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4150
4151         PR other/29972
4152         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
4153         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
4154         (RS/6000 and PowerPC Options): Fix typos and markup.
4155         * doc/passes.texi (Tree-SSA passes): Likewise.
4156
4157 2008-02-02  Michael Matz  <matz@suse.de>
4158
4159         PR target/35045
4160         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
4161         from record_last_reg_set_info.
4162         (record_last_reg_set_info): Take an RTX argument, iterate over all
4163         constituent hardregs.
4164         (record_last_set_info, record_opr_changes): Change calls to
4165         new signature or to record_last_reg_set_info_regno.
4166
4167 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
4168
4169         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
4170
4171 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
4172
4173         PR rtl-optimization/34773
4174         * reg-notes.def (EQUAL): Mention significance of combination of
4175         REG_EQUAL and REG_RETVAL.
4176         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
4177         insn that has a REG_RETVAL.
4178
4179 2008-02-01  Roger Sayle  <roger@eyesopen.com>
4180
4181         PR bootstrap/33781
4182         * configure.ac (--enable-fixed-point): Disable unless explicitly
4183         requested on IRIX.
4184         * configure: Regenerate.
4185
4186 2008-02-01  Richard Guenther  <rguenther@suse.de>
4187
4188         PR other/35042
4189         * invoke.texi (-finline-limit): Remove no longer true parts
4190         of the documentation.  Note that there is no default value.
4191
4192 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
4193             Mark Mitchell  <mark@codesourcery.com>
4194             Ben Elliston  <bje@au.ibm.com>
4195
4196         PR c/29326
4197         * doc/extend.texi (Other Builtins): Document.
4198
4199 2008-01-31  Tom Browder <tom.browder@gmail.com>
4200
4201         * doc/c-tree.texi (Types): Fix grammar.
4202         (Expression trees): Ditto.
4203         * doc/passes.texi (Tree-SSA passes): Ditto.
4204         
4205         * doc/configterms.texi (Configure Terms): Fix typo.
4206         * doc/cpp.texi (Common Predefined Macros): Ditto.
4207         * doc/md.texi (Machine Constraints): Ditto.
4208         
4209         * doc/makefile.texi (Makefile): Add comma.
4210
4211 2008-01-31  Tom Browder  <tom.browder@gmail.com>
4212             Gerald Pfeifer  <gerald@pfeifer.com>
4213         
4214         * doc/sourcebuild.texi (Front End): Remove references to CVS
4215         and CVSROOT/modules.
4216         (Texinfo Manuals): Replace reference to CVS by one to SVN.
4217         (Back End): Remove reference to CVS.
4218
4219 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4220
4221         PR target/34900
4222         * config/mips/mips.c (gen_load_const_gp): New function, taking a
4223         comment from...
4224         (mips16_gp_pseudo_reg): ...here.
4225         * config/mips/mips.md (load_const_gp): Replace with...
4226         (load_const_gp_<mode>): ...this :P-based insn.
4227
4228 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4229
4230         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
4231         options. Minor fixes.
4232         (-std): Move reference to standards closer to where language
4233         standards are first mentioned.
4234         
4235 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4236
4237         PR rtl-optimization/34995
4238         * reload.c (alternative_allows_const_pool_ref): Take an rtx
4239         parameter and return a bool.  If the rtx parameter is nonnull,
4240         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
4241         (find_reloads): Update call accordingly.  Pass the new operand
4242         if it needed no address reloads, otherwise pass null.
4243
4244 2008-01-30  Richard Henderson  <rth@redhat.com>
4245
4246         PR c/34993
4247         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
4248         for unbounded arrays.
4249
4250 2008-01-30  Silvius Rus  <rus@google.com>
4251
4252         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
4253
4254 2008-01-30  Jan Hubicka  <jh@suse.cz>
4255
4256         PR target/34982
4257         * i386.c (init_cumulative_args): Use real function declaration when
4258         calling locally.
4259
4260 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
4261
4262         PR rtl-optimization/34998
4263         * global.c (build_insn_chain): Treat non-subreg_lowpart
4264         SUBREGs of pseudos as clobbering all the words covered by the
4265         SUBREG, not just all the bytes.
4266         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
4267         original df_ref rather than an extract parameter.
4268         (global_conflicts): Update call accordingly.
4269
4270 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
4271
4272         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
4273         the overflow check to make it easier to read.
4274         (__fixtfdi): Change the type of the ll member in union
4275         long_double to UDItype_x.
4276
4277 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
4278
4279         PR middle-end/34969
4280         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
4281         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
4282         * tree-inline.c (fold_marked_statements): Call
4283         cgraph_update_edges_for_call_stmt if folding a call statement.
4284         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
4285         debug_generic_stmt calls, reset it back afterwards.
4286
4287         PR c/35017
4288         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
4289         static decls.
4290         * c-typeck.c (build_external_ref): Don't pedwarn about
4291         static vars in current function's scope.
4292
4293 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
4294
4295         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
4296
4297 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
4298
4299         PR c/35002
4300         * ipa-struct-reorg.c: Fix spelling.
4301         * params.def: Ditto.
4302
4303 2008-01-29  Richard Guenther  <rguenther@suse.de>
4304
4305         PR middle-end/35006
4306         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
4307         field.
4308         * tree-inline.c (remap_type): Increment remapping_type_depth
4309         around remapping types.
4310         (copy_body_r): Only add referenced variables if they are referenced
4311         from code, not types.
4312
4313 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
4314
4315         PR c++/34055
4316         PR c++/34103
4317         PR c++/34219
4318         PR c++/34606
4319         PR c++/34753
4320         PR c++/34754
4321         PR c++/34755
4322         PR c++/34919
4323         PR c++/34961
4324         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
4325         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
4326
4327 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
4328
4329         PR target/34412
4330         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
4331         pointer for tiny stack.
4332
4333 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4334
4335         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
4336
4337 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4338
4339         * config/vx-common.h: Fix typo in comment.
4340
4341 2008-01-28  Ian Lance Taylor  <iant@google.com>
4342
4343         PR c++/34862
4344         PR c++/33407
4345         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
4346         coalesce pointers if they have different DECL_NO_TBAA_P values.
4347         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
4348         between variables with different DECL_NO_TBAA_P values.
4349
4350 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
4351
4352         PR 31535
4353         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
4354         are not legitimate small data references on SPE targets.
4355
4356 2008-01-28  David Daney  <ddaney@avtrex.com>
4357
4358         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
4359
4360 2008-01-28  David Daney  <ddaney@avtrex.com>
4361
4362         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
4363
4364 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
4365
4366         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
4367         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
4368         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
4369         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
4370         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
4371         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
4372         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
4373         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
4374
4375 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4376
4377         * basic-block.h (condjump_equiv_p): Fix comment.
4378
4379 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4380
4381         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4382         print_generic_stmt_indented): Fix comment.
4383
4384 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4385
4386         * configure.ac (__stack_chk_fail): Add detecion for availability
4387         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4388         * configure: Regenerate.
4389
4390 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
4391
4392         PR middle-end/34688
4393         * final.c (output_addr_const): Handle TRUNCATE.
4394
4395 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
4396
4397         PR target/34711
4398         * tree-ssa-loop-ivopts.c (comp_cost): New type.
4399         (zero_cost, infinite_cost): New constants.
4400         (struct cost_pair): Change type of cost to comp_cost.
4401         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4402         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4403         New functions.
4404         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4405         split_address_cost, ptr_difference_cost, difference_cost,
4406         get_computation_cost_at, get_computation_cost,
4407         determine_use_iv_cost_generic, determine_use_iv_cost_address,
4408         determine_use_iv_cost_condition, determine_use_iv_costs,
4409         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4410         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4411         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4412         Change type of cost to comp_cost.
4413         (determine_iv_cost): Increase cost of non-original ivs, instead
4414         of decreasing the cost of original ones.
4415         (get_address_cost): Indicate the complexity of the addressing mode 
4416         in comp_cost.
4417         (try_add_cand_for): Prefer using ivs not specific to some object.
4418         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4419
4420 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
4421             Janis Johnson  <janis187@us.ibm.com>
4422
4423         PR target/34814
4424         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4425         (TARGET_INSTANTIATE_DECLS): Likewise.
4426         * target.h (expand_to_rtl_hook): New target hook.
4427         (instantiate_decls): Likewise.
4428         * function.c (instantiate_decl): Make non-static.  Rename to...
4429         (instantiate_decl_rtl): ... this.
4430         (instantiate_expr): Use instantiate_decl_rtl.
4431         (instantiate_decls_1): Likewise.
4432         (instantiate_decls): Likewise.
4433         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4434         * function.h (instantiate_decl_rtl): Add prototype.
4435         * cfgexpand.c (target.h): New include.
4436         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4437         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4438         (TARGET_INSTANTIATE_DECLS): Likewise.
4439         (TARGET_INITIALIZER): New target hooks added.
4440         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4441         New prototype.
4442         * config/rs6000/rs6000.c (tree-flow.h): New include.
4443         (machine_function): Add sdmode_stack_slot field.
4444         (rs6000_alloc_sdmode_stack_slot): New function.
4445         (rs6000_instantiate_decls): Likewise.
4446         (rs6000_secondary_memory_needed_rtx): Likewise.
4447         (rs6000_check_sdmode): Likewise.
4448         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4449         (TARGET_INSTANTIATE_DECLS): Likewise.
4450         (rs6000_hard_regno_mode_ok): Allow SDmode.
4451         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
4452         (rs6000_emit_move): Handle SDmode.
4453         (function_arg_advance): Likewise.
4454         (function_arg): Likewise.
4455         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
4456         SDmode var args for 32-bit compiles.
4457         (rs6000_secondary_reload_class): Handle SDmode.
4458         (rs6000_output_function_epilogue): Likewise.
4459         (rs6000_function_value): Simplify if statement.
4460         (rs6000_libcall_value): Likewise.
4461         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4462         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4463         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4464         (movsd_hardfloat): New define_insn.
4465         (movsd_softfloat): Likewise.
4466         (movsd_store): Likewise.
4467         (movsd_load): Likewise.
4468         (extendsddd2): Likewise.
4469         (extendsdtd2): Likewise.
4470         (truncddsd2): Likewise.
4471         (movdd_hardfloat64): Fixup comment.
4472         (UNSPEC_MOVSD_LOAD): New constant.
4473         (UNSPEC_MOVSD_STORE): Likewise.
4474
4475 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
4476
4477         PR c++/34965
4478         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4479         TRUTH_XOR_EXPR.
4480         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4481         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4482         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4483         and TRUTH_XOR_EXPR.
4484
4485 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
4486
4487         PR target/34794
4488         * config.gcc: Separate AIX 5.3 from AIX 6.1.
4489         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4490         __LONGDOUBLE128 too.
4491         * config/rs6000/aix61.h: New file.
4492
4493 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4494
4495         PR rtl-optimization/34959
4496         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4497         popcount and parity rtxes the same mode as their operand.
4498         Truncate or extend the result to the return value's mode
4499         if necessary.
4500
4501 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4502
4503         PR target/34981
4504         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4505         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4506         to GOT_VERSION_REGNUM.
4507         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4508         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4509         * config/mips/mips.c (mips_emit_call_insn): New function.
4510         (mips_call_tls_get_addr): Call mips_expand_call directly.
4511         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4512         emit_call_insn.
4513         (mips16_build_call_stub): Likewise.  Return the call insn or null.
4514         (mips_expand_call): Update the call to mips16_build_call_stub
4515         accordingly and a remove redundant condition.  Assert that MIPS16
4516         stubs do not use lazy binding.  Use mips_emit_call_insn and return
4517         the call insn.
4518         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4519         TARGET_USE_GOT.
4520         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4521         (mips_avoid_hazard): Remove hazard_set handling.
4522         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4523         (UNSPEC_RESTORE_GP): ...this.
4524         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4525         (FAKE_CALL_REGNO): Rename to...
4526         (GOT_VERSION_REGNUM): ...this.
4527         (type): Add "ghost" value.  Add an associated insn reservation.
4528         (hazard_set): Remove.
4529         (exception_receiver): Rename to...
4530         (restore_gp): ...this and update the unspec identifier accordingly.
4531         (exception_receiver, nonlocal_got_receiver): New expanders.
4532         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
4533         FAKE_CALL_REGNO.  Remove hazard_set attribute.
4534         (set_got_version, update_got_version): New patterns.
4535
4536 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
4537
4538         PR target/34970
4539         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4540
4541 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4542
4543         PR other/31955
4544         * doc/install.texi2html: Generate gcc-vers.texi.
4545
4546 2008-01-25  DJ Delorie  <dj@redhat.com>
4547
4548         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4549
4550 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4551
4552         * config/c4x: Remove directory.
4553         * config.gcc (crx-*, mt-*): Mark obsolete.
4554         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4555         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4556         sh-*-rtemscoff*): Remove cases.
4557         * defaults.h (C4X_FLOAT_FORMAT): Remove.
4558         * real.c (encode_c4x_single, decode_c4x_single,
4559         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4560         c4x_extended_format): Remove.
4561         * real.h (c4x_single_format, c4x_extended_format): Remove.
4562         * doc/extend.texi (interrupt, naked): Remove mention of attributes
4563         on C4x.
4564         (Pragmas): Remove comment about c4x pragmas.
4565         * doc/install.texi (c4x): Remove target-specific instructions.
4566         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4567         * doc/md.texi (Machine Constraints): Remove C4x documentation.
4568         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4569         refer to C4x source files as examples.
4570         (C4X_FLOAT_FORMAT): Remove documentation.
4571
4572 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
4573
4574         * config/bfin/bfin.c (override_options): Reorder tests so that
4575         flag_pic gets enabled for -msep-data.
4576
4577 2008-01-25  Richard Guenther  <rguenther@suse.de>
4578
4579         PR middle-end/32244
4580         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4581         to its bitfield precision if required.
4582
4583 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4584
4585         PR middle-end/33880
4586         * tree-nested.c (walk_omp_for): New function.
4587         (convert_nonlocal_reference, convert_local_reference): Call
4588         walk_omp_for on OMP_FOR.
4589         (convert_call_expr): Call walk_body on OMP_FOR's
4590         OMP_FOR_PRE_INIT_BODY.
4591
4592 2008-01-25  Richard Guenther  <rguenther@suse.de>
4593
4594         PR tree-optimization/34966
4595         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
4596         default defs and PHI_NODEs we have to insert after the
4597         defining statement.
4598
4599 2008-01-24  Nick Clifton  <nickc@redhat.com>
4600
4601         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
4602         Provide a default definition.
4603         (LIBGCC2_UNITS_PER_WORD): Likewise.
4604
4605         * config/stormy16/stormy16.c: Include df.h for the prototype
4606         for df_regs_ever_live_p.
4607         (xstormy16_expand_builtin_va_start): Convert the stack offset
4608         into a component_ref and then use POINTER_PLUS_EXPR to add it
4609         to the incoming_virtual_args_rtx.
4610         (xstormy16_gimplify_va_arg_expr): Rename to
4611         xstormy16_gimplify_va_arg_expr.
4612         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
4613         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
4614         xstormy16_gimplify_va_arg_expr.
4615         Fix up some formatting issues.
4616
4617         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
4618         Move to predicates.md.
4619         (xs_hi_general_operand): Likewise.
4620         (xs_hi_nonmemory_operand): Likewise.
4621         * config/stormy16/predicates.md:
4622         (xstormy16_carry_plus_operand): New predicate.
4623         (xs_hi_general_operand): New predicate.
4624         (xs_hi_nonmemory_operand): New predicate.
4625         * config/stormy16/stormy16-protos.h:
4626         (xstormy16_carry_plus_operand): Delete prototype.
4627         (xs_hi_general_operand): Likewise.
4628         (xs_hi_nonmemory_operand): Likewise.
4629
4630         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
4631         modifiers as they are no longer needed and they can trigger
4632         reload spill failures.
4633
4634         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
4635         with a match_operand in order to help reload.
4636
4637         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
4638         constraint with 'e' for the 8th alternative as this version of
4639         the mov.w instruction only accepts the lower 8 registers.
4640
4641 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
4642
4643         PR target/34856
4644         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
4645         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
4646         vector elements.
4647
4648 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4649
4650         PR middle-end/33333
4651         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
4652
4653 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4654
4655         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
4656         New functions.
4657         (remove_structure): Update allocations list before removing structure.
4658         
4659 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4660
4661         * ipa-struct-reorg.c (is_safe_cond_expr, 
4662         create_new_stmts_for_cond_expr): Use integer_zerop function,
4663         that recognize not only zero-pointer, but zero-integer too.
4664
4665 2008-01-25  Ben Elliston  <bje@au.ibm.com>
4666
4667         PR other/22232
4668         * fixproto: Escape "." in sed expression that strips leading "./".
4669
4670 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
4671
4672         PR driver/34904
4673         * gcc.c (SWITCH_OK): Removed.
4674         (SWITCH_LIVE): Changed to bit.
4675         (SWITCH_FALSE): Likewise.
4676         (SWITCH_IGNORE): Likewise.
4677         (switchstr): Change live_cond to unsigned int.
4678         (process_command): Replace SWITCH_OK with 0.
4679         (do_self_spec): Likewise.
4680         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
4681         (give_switch): Likewise.
4682         (used_arg): Likewise.
4683         (do_spec_1): Set the SWITCH_IGNORE bit.
4684         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
4685         bits.  Set the SWITCH_LIVE bit.
4686
4687 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4688
4689         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
4690
4691 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
4692
4693         PR tree-optimization/34472
4694         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
4695         parameter to a "bool *" and set *DATA to false if there is
4696         an unsafe access.  Do not delete the structure here.
4697         (check_cond_exprs): Delete it here instead.
4698         (check_cond_exprs, exclude_cold_structs): Do not increase
4699         I when removing a structure.
4700
4701 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
4702
4703         PR target/34856
4704         * config/i386/i386.c (ix86_expand_vector_init): Consider only
4705         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
4706
4707 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
4708
4709         PR middle-end/34934
4710         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
4711         a fixed vector for stack.
4712
4713 2008-01-24  Ben Elliston  <bje@au.ibm.com>
4714
4715         PR c++/25701
4716         * doc/gcc.texi (Software development): Add a direntry for g++.
4717         
4718 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
4719
4720         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
4721         stale and straggling -fforce-addr comments above.
4722
4723         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
4724         define.
4725         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
4726         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
4727
4728 2008-01-23  Michael Matz  <matz@suse.de>
4729
4730         PR debug/34895
4731         * dwarf2out.c (force_type_die): Use modified_type_die instead of
4732         gen_type_die.
4733
4734 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
4735
4736         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
4737         malloc result type.
4738
4739 2008-01-23 Anatoly Sokolov <aesok@post.ru>
4740
4741         * config/avr/avr.c (avr_current_arch): New variable.
4742         (avr_arch_types): Add 'avr31' and 'avr51' entries.
4743         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
4744         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
4745         (avr_override_options): Init 'avr_current_arch'. 
4746         (base_arch_s): Move from here...
4747         * config/avr/avr.h (base_arch_s): ... here. Add new members 
4748         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
4749         'mega' to 'have_jmp_call'.
4750         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
4751         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
4752         macros.
4753         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
4754         architectures.
4755         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
4756         MULTILIB_MATCHES): (Ditto.).
4757
4758 2008-01-23  Richard Guenther  <rguenther@suse.de>
4759
4760         PR middle-end/31529
4761         * cgraphunit.c (cgraph_reset_node): Always mark the node
4762         not reachable if it is not queued already.
4763
4764 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4765
4766         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4767         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4768         (cputype_selected): New static variable.
4769         (bfin_handle_option): Set it if -mcpu is used.
4770         (override_option): Select default set of workarounds if no cpu type
4771         selected on the command line.
4772         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4773
4774         From  Michael Frysinger  <michael.frysinger@analog.com>
4775         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4776         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4777
4778         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4779         for bf547, bf523, bf524, and bf526.
4780         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
4781         bf526.
4782         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4783         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4784         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4785         __ADSPBF547__ and __ADSPBF54x__ for bf547.
4786         * doc/invoke.texi (Blackfin Options): Document that
4787         -mcpu now accept bf547, bf523, bf524, and bf526.
4788
4789 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4790
4791         PR rtl-optimization/34628
4792         * combine.c (try_combine): Stop and undo after the first combination
4793         if an autoincrement side-effect on the first insn has effectively
4794         been lost.
4795
4796 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
4797
4798         PR target/34529
4799         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4800         Offset addresses are not valid for Altivec or paired float modes.
4801
4802 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
4803
4804         PR c++/34607
4805         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4806         if DECL_INITIAL (decl) is error_mark_node.
4807
4808         PR c++/34914
4809         * c-common.c (handle_vector_size_attribute): Only allow
4810         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
4811         the same way as pointer, array etc. types.
4812         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4813
4814         PR c++/34917
4815         * tree.c (build_type_attribute_qual_variant): Call
4816         build_qualified_type if attributes are equal, but quals are not.
4817
4818 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4819
4820         PR 32102
4821         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4822         * flags.h (warn_strict_aliasing): Remove.
4823         (warn_strict_overflow): Remove.
4824         * opts.c (warn_strict_aliasing): Remove.
4825         (warn_strict_overflow): Remove.
4826         * c-opts.c (c_common_handle_option): -Wall only sets
4827         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4828         (c_common_post_options): Give default values to -Wstrict-aliasing
4829         and -Wstrict-overflow if they are uninitialized.
4830         * common.opt (Wstrict-aliasing): Specify Var and Init.
4831         (Wstrict-overflow): Likewise.
4832
4833 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
4834
4835         PR rtl-optimization/26854
4836         PR rtl-optimization/34400
4837         PR rtl-optimization/34884
4838         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4839         DF_RD->gen.
4840         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4841         (df_rd_bb_info.expanded_lr_out): Deleted
4842         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4843         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
4844         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4845         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4846         Removed code to allocate, initialize or free expanded_lr_out.
4847         (df_rd_bb_local_compute_process_def): Restructured to make more
4848         understandable.
4849         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4850         sets if the sets are being trimmed.
4851
4852 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
4853
4854         PR bootstrap/32287
4855         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4856         (as_vers): Likewise.
4857         * configure: Regenerated.
4858
4859 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4860
4861         PR middle-end/33092
4862         * tree-pass.h (pass_build_alias): New pass.
4863         * tree-ssa-alias.c (gate_build_alias): New.
4864         (pass_build_alias): New.
4865         * passes.c (init_optimization_passes): Add pass_build_alias after
4866         pass_create_structure_vars.
4867
4868 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
4869
4870         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4871         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4872         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4873         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4874         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4875         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4876         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4877         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4878         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4879         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4880         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4881         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4882         * config/s390/s390.md (FP_ALL): New mode iterator.
4883         (_d): New mode attribute.
4884         ("*signbit<mode>2>"): Changed mode of first operand.
4885         ("isinf<mode>2"): Changed mode of first operand.
4886         ("*TDC_insn"): Adaptation for DFP modes.
4887
4888 2008-01-22  Ben Elliston  <bje@au.ibm.com>
4889
4890         * tree.c (check_qualified_type): Improve function description.
4891
4892 2008-01-21  Jason Merrill  <jason@redhat.com>
4893
4894         PR c++/34196
4895         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4896         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4897         if it is set.
4898
4899 2008-01-21  DJ Delorie  <dj@redhat.com>
4900
4901         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4902         return zero.
4903
4904 2008-01-21  Richard Guenther  <rguenther@suse.de>
4905
4906         PR middle-end/34856
4907         * tree-cfg.c (verify_expr): Allow all invariant expressions
4908         instead of just constant class ones as reference argument.
4909         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4910         like any other constant.
4911         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4912
4913 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
4914
4915         * regmove.c (fixup_match_1): Update call crossed frequencies.
4916
4917 2008-01-21  Richard Guenther  <rguenther@suse.de>
4918
4919         PR c/34885
4920         * tree-inline.c (setup_one_parameter): Deal with mismatched
4921         types using a VIEW_CONVERT_EXPR.
4922
4923 2008-01-21  Alon Dayan  <alond@il.ibm.com>
4924             Olga Golovanevsky  <olga@il.ibm.com>
4925         
4926         PR tree-optimization/34701
4927         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4928         when the structure size is not a power of 2.
4929
4930 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
4931
4932         * doc/install.texi: Add doc for --enable-checking=df.
4933         
4934 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4935
4936         PR rtl-optimization/34808
4937         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4938
4939 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4940
4941         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4942         input.
4943
4944 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
4945
4946         PR rtl-optimization/26854
4947         PR rtl-optimization/34400
4948         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4949         DF_RD->gen.
4950         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4951         (df_rd_bb_info.expanded_lr_out): New.
4952         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4953         * loop_iv.c (iv_analysis_loop_init): Ditto.
4954         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4955         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4956         Added code to allocate, initialize or free expanded_lr_out.
4957         (df_rd_bb_local_compute_process_def): Restructured to make
4958         more understandable.
4959         (df_rd_confluence_n): Add code to do nothing with fake edges and
4960         code to no apply invalidate_by_call sets if the sets are being trimmed.
4961         (df_lr_local_finalize): Renamed to df_lr_finalize.
4962         (df_live_local_finalize): Renamed to df_live_finalize.
4963
4964 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4965
4966         PR target/34831
4967         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4968         deciding whether to use reciprocal instructions.
4969
4970 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
4971
4972         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4973         dwarf2out_note_section_used if cold_text_section is NULL.
4974
4975 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
4976
4977         PR gcov-profile/34610
4978         * tree-cfg.c (make_edges): Mark both outgoing edges from
4979         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4980         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4981         from OMP_FOR and OMP_CONTINUE outgoing edges.
4982
4983         * tree-profile.c (tree_profiling): Return early if
4984         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
4985         at the end.
4986         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4987         from cfun to child_cfun.
4988         * function.h (struct function): Add after_tree_profile bit.
4989
4990 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4991
4992         * config/avr/avr.S (_exit): Disable interrupt.
4993
4994 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
4995             Steven Bosscher  <stevenb.gcc@gmail.com>
4996
4997         PR rtl-optimization/26854
4998         PR rtl-optimization/34400
4999         * df-problems.c (df_live_scratch): New scratch bitmap.
5000         (df_live_alloc): Allocate df_live_scratch when doing df_live.
5001         (df_live_reset): Clear the proper bitmaps.
5002         (df_live_bb_local_compute): Only process the artificial defs once
5003         since the order is not important.
5004         (df_live_init): Init the df_live sets only with the variables
5005         found live by df_lr.
5006         (df_live_transfer_function): Use the df_lr sets to prune the
5007         df_live sets as they are being computed.  
5008         (df_live_free): Free df_live_scratch.
5009
5010 2008-01-18  Ian Lance Taylor  <iant@google.com>
5011
5012         * common.opt: Add fmerge-debug-strings.
5013         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
5014         flag_merge_debug_strings rather than flag_merge_constants.
5015         * doc/invoke.texi (Option Summary): Mention
5016         -fmerge-debug-strings.
5017         (Debugging Options): Document -fmerge-debug-strings.
5018
5019 2008-01-18  Ian Lance Taylor  <iant@google.com>
5020
5021         PR c++/33407
5022         * tree.h (DECL_IS_OPERATOR_NEW): Define.
5023         (struct tree_function_decl): Add new field operator_new_flag.
5024         * tree-inline.c (expand_call_inline): When inlining a call to
5025         operator new, force the return value to go into a variable, and
5026         set DECL_NO_TBAA_P on that variable.
5027         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
5028
5029 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
5030
5031         PR debug/34484
5032         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
5033         DWARF2_DEBUGGING_INFO.
5034         (dwarf2out_note_section_used): Ditto.  Add prototype.
5035         (have_multiple_function_sections, text_section_used,
5036         cold_text_section_used, *cold_text_sections): Move declarations
5037         before their uses.
5038
5039 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
5040
5041         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
5042         field and add signal_ra.
5043         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
5044         assignments to frame state pc.  Move end of stack check after
5045         MD_FALLBACK_FRAME_STATE_FOR.
5046         (uw_update_context_1): Use frame state signal_regs if set, instead
5047         of checking signal_frame flag.
5048         (uw_update_context): Use frame state signal_ra if set.
5049         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
5050         * config/xtensa/linux-unwind.h: New file.
5051
5052 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
5053
5054         * modulo-sched.c (get_sched_window): Fix comment typo.
5055
5056 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
5057
5058         PR tree-optimization/34648
5059         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
5060
5061 2008-01-17  Anatoly Sokolov <aesok@post.ru>
5062
5063         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
5064         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
5065
5066 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
5067
5068         PR rtl-optimization/34400
5069         * df-core.c (df_worklist_dataflow_overeager,
5070         df_worklist_dataflow_doublequeue): New functions.
5071         (df_worklist_dataflow): Two different worklist solvers.
5072         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
5073         New param.
5074
5075 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5076
5077         PR testsuite/34821
5078         * doc/invoke.texi: Document the dependence on pthread for fopenmp
5079         and ftree-parallelize-loops.
5080
5081 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
5082
5083         PR rtl-optimization/34826
5084         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
5085
5086 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5087
5088         * global.c (find_reg): Mark the eh regs as used if necessary.
5089         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
5090         * ra.h (struct allocno): no_eh_reg field added.  Changed
5091         no_stack_reg type to bitfield.
5092
5093 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
5094
5095         * tree.c (substitute_in_expr): Add missing 'break'.
5096
5097 2008-01-17  Richard Guenther  <rguenther@suse.de>
5098
5099         PR tree-optimization/34825
5100         * tree-ssa-math-opts.c (is_division_by): Do not recognize
5101         x / x as division to handle.
5102
5103 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5104
5105         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
5106         "-pthread" is specified.
5107         * pa-hpux11.h (LIB_SPEC): Likewise.
5108
5109 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
5110             Peter Bergner  <bergner@vnet.ibm.com>
5111
5112         PR rtl-optimization/33796
5113         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
5114
5115 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5116
5117         PR libgfortran/34699
5118         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
5119         static links.
5120         * pa-hpux10.h (LINK_SPEC): Likewise.
5121         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
5122
5123 2008-01-16  Richard Guenther  <rguenther@suse.de>
5124
5125         PR middle-end/32628
5126         * fold-const.c (fold_convert_const_int_from_int): Do not
5127         set overflow if that occured only because of a sign extension
5128         change when converting from/to a sizetype with the same
5129         precision and signedness.
5130
5131 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
5132
5133         PR debug/34249
5134         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
5135         location address to the correct place.  Update copyright year.
5136
5137 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5138
5139         * lambda-code.c (lambda_transform_legal_p): Handle the case of
5140         no dependences in the dependence_relations vector.
5141
5142 2008-01-16  Jan Hubicka  <jh@suse.cz>
5143
5144         PR rtl-optimization/31396
5145         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
5146         * cfg.c (dump_reg_info): Print it.
5147         * regs.h (struct reg_info_t): add freq_calls_crossed.
5148         (REG_FREQ_CALLS_CROSSED): New macro.
5149         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
5150         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
5151         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
5152         regmove_optimize): Update call crossed frequencies.
5153         * local-alloc.c (struct qty): Add freq_calls_crossed.
5154         (alloc_qty): Copute freq_calls_crossed.
5155         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
5156         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
5157         * ra.h (struct allocno): Add freq_calls_crossed.
5158
5159 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5160
5161         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
5162         libgomp when compiling with ftree-parallelize-loops.
5163         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
5164
5165 2008-01-16  Richard Guenther  <rguenther@suse.de>
5166
5167         PR tree-optimization/34769
5168         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
5169         * tree.c (int_cst_value): Instead make this function more
5170         permissive in what it accepts as valid input.  Document this
5171         function always sign-extends the value.
5172
5173 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
5174             Richard Guenther  <rguenther@suse.de>
5175
5176         PR c/34668
5177         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
5178         (gimple_fold_indirect_ref_rhs): ... this.
5179         (gimple_fold_indirect_ref): New function with foldings
5180         that preserve lvalueness.
5181         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
5182         * tree-flow.h (gimple_fold_indirect_ref): Declare.
5183         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
5184         to fold an INDIRECT_REF, fall back to the old use of
5185         fold_indirect_ref_1.
5186
5187 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5188
5189         * tree-data-ref.c (subscript_dependence_tester_1): Call 
5190         free_conflict_function.
5191         (compute_self_dependence): Same.
5192
5193 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
5194
5195         PR debug/34249
5196         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
5197         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
5198         function global.
5199         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
5200         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
5201         for DWARF2_UNWIND_INFO targets.
5202
5203 2008-01-16  Richard Guenther  <rguenther@suse.de>
5204
5205         PR c/34768
5206         * c-typeck.c (common_pointer_type): Do not merge inconsistent
5207         type qualifiers for function types.
5208
5209 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
5210
5211         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
5212         loop_iterator li from previous commit.
5213
5214 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5215
5216         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
5217
5218 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5219
5220         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
5221         (parallelize_loops): Don't parallelize irreducible components.
5222
5223 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5224
5225         PR c++/24924
5226         * c-opts (c_common_post_options): Do not enable CPP
5227         flag_pedantic_errors by default.
5228         
5229 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
5230
5231         PR rtl-optimization/31944
5232         * cse.c (remove_pseudo_from_table): New function.
5233         (merge_equiv_classes): Use above function to remove pseudo-registers.
5234         (invalidate): Likewise.
5235
5236 2008-01-13  Richard Guenther  <rguenther@suse.de>
5237
5238         PR middle-end/34601
5239         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
5240         instead of TYPE_MODE to deal with calls from expand_one_error_var.
5241
5242 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
5243
5244         * gcse.c (cprop_jump): Call validate_unshare_change instead of
5245         validate_change to unshare the source of the PC set.
5246
5247 2008-01-12  Jan Hubicka  <jh@suse.cz>
5248
5249         PR middle-end/32135
5250         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
5251         references above array bounds.  This might trigger bounds checks for
5252         pointers to arrays.
5253
5254 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5255
5256         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
5257         new_replaceable_dependencies.
5258
5259 2008-01-12  Doug Kwan  <dougkwan@google.com>
5260
5261         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
5262         instead of OPT_Wreturn_type in warning due to ignored return type
5263         qualifiers.
5264         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
5265         options included in -Wextra.
5266         * c.opt: New option -Wignored_qualifiers.
5267         * doc/invoke.texi (Warning Options, -Wextra): Add new option
5268         -Wignore_qualifiers.
5269         (-Wignored-qualifiers): Document.
5270         (-Wreturn-type): Remove description of functionality now handled
5271         by -Wignored-qualifiers.
5272
5273 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
5274
5275         PR ada/33788
5276         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
5277         NOP_EXPR if it is between integral types with the same precision.
5278
5279 2008-01-12  Jan Hubicka  <jh@suse.cz>
5280
5281         PR other/28023
5282         * invoke.texi (max-inline-recursive-depth): Fix default value.
5283
5284 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
5285
5286         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
5287         correct type.
5288
5289 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
5290         
5291         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
5292         
5293 2008-01-11  James E. Wilson  <wilson@specifix.com>
5294
5295         PR target/26015
5296         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
5297
5298 2008-01-11  Anatoly Sokolov <aesok@post.ru>
5299
5300         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
5301         save/restore frame pointer register and don't use 'call-prologues' 
5302         optimization in function with "OS_task" attribute.
5303
5304 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5305
5306         PR middle-end/31309
5307         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
5308         when copying to memory.
5309
5310 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
5311
5312         PR rtl-optimization/30905
5313         * cfgcleanup.c: Include dce.h
5314         (crossjumps_occured): New global variable.
5315         (try_crossjump_bb): Exit loop after finding a fallthru edge.
5316         If something changed, set crossjumps_occured to true.
5317         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
5318         Don't add/remove fake edges to exit here...
5319         (cleanup_cfg): ...but do it here, when crossjumping.
5320         Run a fast DCE when successful crossjumps occured in the latest
5321         iteration of try_optimize_cfg.
5322
5323 2008-01-11  Richard Guenther  <rguenther@suse.de>
5324
5325         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
5326         (struct vn_unary_op_s): Likewise.
5327         (vn_reference_insert): Free old reference on hash collision.
5328
5329 2008-01-10  Raksit Ashok  <raksit@google.com>
5330
5331         PR rtl-optimization/27971
5332         * combine.c (find_split_point): Split PLUS expressions which are
5333         inside a MEM rtx, and whose first operand is complex.
5334
5335 2008-01-10  DJ Delorie  <dj@redhat.com>
5336
5337         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
5338         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
5339         (m32c_hard_regno_ok): Call the underlying function.
5340
5341 2008-01-10  Richard Guenther  <rguenther@suse.de>
5342
5343         PR middle-end/34683
5344         * tree-cfg.c (tree_merge_blocks): Do not go through the
5345         full-blown folding and stmt updating path if we just deal
5346         with virtual operands.
5347         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
5348         test for abnormal SSA_NAMEs.
5349
5350 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
5351
5352         PR middle-end/34641
5353         * reload.c (push_reload): Add assertions.  All constants from
5354         reg_equiv_constant should have been used for replacing the respective
5355         pseudo earlier.
5356         (find_reloads_address): Invoke find_reloads_address_part for
5357         constant taken from the reg_equiv_constant array.
5358
5359 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
5360
5361         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
5362         field (valnum) the first in the struct.  Replace bools with
5363         unit bit fields.
5364
5365 2008-01-10  Richard Guenther  <rguenther@suse.de>
5366
5367         PR tree-optimization/34651
5368         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
5369         types and ordering for masking and converting.
5370
5371 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
5372
5373         PR tree-optimization/34017
5374         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
5375         also for PHI_NODE expressions.
5376
5377 2008-01-09  Jan Hubicka  <jh@suse.cz>
5378
5379         PR tree-optimization/34708
5380         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5381         based on number of case labels.
5382         (init_inline_once): Remove switch_cost.
5383         * tree-inline.h (eni_weights_d): Remove switch_cost.
5384
5385 2008-01-09  Richard Guenther  <rguenther@suse.de>
5386         Andrew Pinski  <andrew_pinski@playstation.sony.com>
5387
5388         PR middle-end/30132
5389         * gimplify.c (gimplify_cond_expr): Do not create an addressable
5390         temporary if an rvalue is ok or an lvalue is not required.
5391
5392 2008-01-09  Richard Guenther  <rguenther@suse.de>
5393
5394         PR middle-end/34458
5395         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5396         adjust return type.
5397
5398 2008-01-09  Richard Guenther  <rguenther@suse.de>
5399
5400         PR middle-end/34679
5401         * tree.c (host_integerp): Check for sizetype only if the
5402         type is an integer type.
5403
5404 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
5405
5406         PR debug/26364
5407         * opts.c (decode_options): Disable inlining of functions called
5408         once if not in unit-at-a-time mode.
5409
5410 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
5411
5412         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5413
5414 2008-01-08  Richard Guenther  <rguenther@suse.de>
5415
5416         PR middle-end/31863
5417         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5418         out early if the result will be unused.
5419
5420 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5421
5422         PR target/34709
5423         Revert:
5424
5425         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5426         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5427         for TARGET_RECIP.       
5428         
5429 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
5430         
5431         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5432         for vectorization tuned.
5433         
5434 2008-01-08  Richard Guenther  <rguenther@suse.de>
5435
5436         PR tree-optimization/34683
5437         * tree-ssa-operands.c (operand_build_cmp): Export.
5438         * tree-ssa-operands.h (operand_build_cmp): Declare.
5439         * tree-vn.c (vuses_compare): Remove.
5440         (sort_vuses): Use operand_build_cmp.
5441         (sort_vuses_heap): Likewise.
5442         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5443         to re-use old VEC if available.  Do not sort already sorted VUSEs.
5444         (vdefs_to_vec): Do not sort already sorted VDEFs.
5445
5446 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
5447
5448         PR middle-end/34694
5449         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5450
5451 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5452
5453         PR target/34702
5454         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5455         limitations of reciprocal sequences on x86 targets.
5456
5457 2008-01-08  Richard Guenther  <rguenther@suse.de>
5458
5459         PR tree-optimization/34683
5460         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5461
5462 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
5463
5464         PR target/34622
5465         * config/darwin.c (darwin_mergeable_string_section): Don't use
5466         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5467
5468 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
5469
5470         PR target/34682
5471         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5472         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
5473         predicates of op0 and op1 to register_operand.
5474         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
5475         expander using X87MODEF mode iterator.  Change predicates of
5476         op0 and op1 to register_operand.
5477         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5478         corresponding patterns and macroize using MODEF macro.  Change
5479         predicates of op0 and op1 to register_operand and remove
5480         "m" constraint. Disparage "r" alternative with "!".
5481         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5482         macroize using X87MODEF macro.  Change predicates of op0 and op1
5483         to register_operand and remove "m" constraint.  Disparage "r"
5484         alternative with "!".
5485         (absneg splitter with memory operands): Remove.
5486         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5487         patterns and macroize using X87MODEF mode iterator.
5488         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5489         Change predicate of op1 to register_operand.
5490         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5491         for memory operands.
5492
5493 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
5494
5495         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5496
5497 2008-01-07  Richard Guenther  <rguenther@suse.de>
5498
5499         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5500         fields.
5501
5502 2008-01-07  Richard Guenther  <rguenther@suse.de>
5503
5504         PR tree-optimization/34683
5505         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5506         VOPs of the needed size to save memory.  Use VEC_quick_push
5507         to save compile-time.
5508         (vdefs_to_vec): Likewise.
5509
5510 2008-01-07  Sa Liu  <saliu@de.ibm.com>
5511
5512         * config/spu/spu.md (divdf3): Genetate inline code for double
5513         division.  The implementation doesn't handle INF or NAN, therefore it
5514         only applies when -ffinite-math-only is given.
5515
5516 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
5517
5518         PR libstdc++/34680
5519         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5520         * doc/cpp.texi ([Common Predefined Macros]): Document.
5521
5522 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
5523
5524         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5525         order to use commutative addition instead of subtraction.
5526
5527 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5528             Mircea Namolaru  <namolaru@il.ibm.com>
5529             Vladimir Yanovsky  <yanov@il.ibm.com>
5530             Revital Eres  <eres@il.ibm.com>
5531
5532         PR tree-optimization/34263
5533         * tree-outof-ssa.c (process_single_block_loop_latch,
5534         contains_tree_r): New functions.
5535         (analyze_edges_for_bb): Call process_single_block_loop_latch
5536         function to empty single-basic-block latch block if possible.
5537
5538 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5539
5540         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5541         for TARGET_RECIP.
5542         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5543
5544 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5545
5546         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5547
5548 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5549
5550         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5551
5552 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
5553
5554         PR tree-optimization/34618
5555         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5556         flag from T.
5557
5558 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5559
5560         PR target/34673
5561         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5562         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
5563         Update copyright year.
5564
5565         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5566         Update copyright year.
5567         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5568         using NR fixup.
5569
5570 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
5571
5572         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5573         edge does not point to current bb before changing need_assert.
5574
5575 2008-01-04  Richard Guenther  <rguenther@suse.de>
5576
5577         PR middle-end/34029
5578         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5579         for verifying purposes if they are is_gimple_min_invariant.
5580
5581 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
5582
5583         PR tree-optimization/34448
5584         PR tree-optimization/34465
5585         * gimplify.c (gimplify_init_constructor): Add new parameter
5586         notify_temp_creation.  Use it.
5587         (gimplify_modify_expr_rhs): Take volatiles into account when
5588         optimizing constructors.
5589         Do not optimize constructors if gimplify_init_constructor will dump to
5590         memory.
5591         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
5592         * gcc.c-torture/compile/pr34448.c: New.
5593
5594 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
5595
5596         PR gcov-profile/34609
5597         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
5598         return_slot if result is TREE_ADDRESSABLE.
5599
5600 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
5601
5602         * config/mips/mips.md (sqrt_condition): Tweak comment.
5603         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
5604
5605 2008-01-03  Tom Tromey  <tromey@redhat.com>
5606
5607         PR c/34457
5608         * c-common.c (c_type_hash): Handle VLAs.
5609
5610 2008-01-03  Jan Hubicka  <jh@suse.cz>
5611
5612         PR tree-optimization/31081
5613         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
5614         0 when inlining and not inlining to first basic block.
5615         (remap_decl): When var is initialized to 0, don't set default_def.
5616         (expand_call_inline): Set entry_bb.
5617         * tree-inline.h (copy_body_data): Add entry_bb.
5618
5619 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5620
5621         PR c++/34619
5622         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
5623         before returning.
5624
5625         PR tree-optimization/29484
5626         * tree-inline.c (inline_forbidden_p_2): New function.
5627         (inline_forbidden_p): Disallow inlining if some static var
5628         has an address of a local LABEL_DECL in its initializer.
5629         * doc/extend.texi (Labels as Values): Document &&foo behaviour
5630         vs. inlining.
5631
5632 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
5633
5634         PR tree-optimization/34635
5635         * tree-data-ref.c (add_other_self_distances): Make sure that the
5636         evolution step is constant.
5637
5638 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5639
5640         PR middle-end/34608
5641         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
5642
5643 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
5644
5645         * tree-sra.c (scalarize_init): Insert the generate_element_init
5646         statements after the generate_element_zero statements.
5647
5648 2008-01-02  Richard Guenther  <rguenther@suse.de>
5649
5650         PR middle-end/34093
5651         PR middle-end/31976
5652         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
5653         for very large number of operands instead of ICEing.
5654
5655 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
5656
5657         PR target/34013
5658         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
5659         while stack probing.
5660
5661 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
5662
5663         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
5664         in C++0x mode.
5665
5666 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
5667
5668         PR libmudflap/26442
5669         * tree-mudflap.c (mx_register_decls): Guard warning by
5670         !DECL_ARTIFICIAL check.
5671
5672 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
5673
5674         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
5675         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
5676         sse5_perm<mode>): Fix constraints.