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1 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
2
3         * config/s390/s390.h: Remove the remains of the recent search
4         & replace action of current_function_outgoing_args_size.
5
6 2008-04-10  Ira Rosen  <irar@il.ibm.com>
7
8         PR tree-optimization/35821
9         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
10         NEW_STMT_LIST is not NULL.
11
12 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
13
14         PR libstdc++/35597
15         * toplev.c (process_options): Remove -ffunction-sections debugging
16         warning.
17
18 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
19
20         PR middle-end/PR28690
21         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
22         than gen_rtx_fmt_ee to perform more canonicalizations.
23
24 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
25
26         PR driver/35665
27         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
28
29 2008-04-09  Richard Guenther  <rguenther@suse.de>
30
31         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
32         (dump_function_to_file): Dump function arguments with types.
33
34 2008-04-08  Richard Guenther  <rguenther@suse.de>
35
36         * fold-const.c (fold_widened_comparison): Do not allow
37         sign-changes that change the result.
38
39 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
40
41         PR target/35839
42         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
43         kinds of indirect references.
44
45 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
46
47         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
48         GNU Fortran language string.
49
50 2008-04-08  Rafael Espindola  <espindola@google.com>
51
52         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
53         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
54         * tree.h (tree_call_nonnegative_warnv_p): New.
55
56 2008-04-08  Jan Hubicka  <jh@suse.cz>
57
58         * function.c (free_after_compilation): Clear out regno_reg_rtx
59         pointer.
60
61 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
62
63         Revert
64         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
65
66         PR middle-end/PR28690
67         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
68         same precedence as REG_POINTER and MEM_POINTER operands.
69
70 2008-04-08  Richard Guenther  <rguenther@suse.de>
71
72         PR middle-end/35834
73         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
74         for adding index to base.
75
76 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
77
78         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
79         (MINGW_ENABLE_EXECUTE_STACK): New.
80         (IN_LIBGCC2): For libgcc include windows.h file for
81         function declarations.
82
83 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
84
85         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
86         and tem2 if tem1 is not a REG or MULT.
87
88 2008-04-08  Jan Hubicka  <jh@suse.cz>
89
90         * function.h (incomming_args): Break out of struct function.
91         (function_subsections): Break out of struct function.
92         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
93         return_rtx and hard_reg_initial_vals from struct function.
94         Kill inl_max_label_num.
95         (current_function_pops_args, current_function_args_info,
96         current_function_args_size, current_function_args_size,
97         current_function_pretend_args_size,
98         current_function_outgoing_args_size,
99         current_function_internal_arg_pointer, current_function_return_rtx):
100         Kill compatibility accestor macros.
101         * builtins.c (expand_builtin_apply_args_1): Update.
102         (expand_builtin_next_arg): Update.
103         * df-scan.c (df_get_call_refs): Update.
104         * dbxout.c (dbxout_function_end): Update.
105         * dwarf2out.c (dwarf2out_switch_text_section): Update.
106         (output_line_info): Update.
107         (secname_for_decl): Update.
108         (dwarf2out_var_location): Update.
109         * function.c (free_after_compilation): Update.
110         (assign_parm_find_stack_rtl): Update.
111         (assign_parms): Update.
112         (expand_dummy_function_end): Update.
113         (expand_function_end): Update.
114         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
115         (expand_call): Update.
116         (emit_library_call_value_1): Update.
117         (store_one_arg): Update.
118         * varasm.c (initialize_cold_section_name): Update.
119         (unlikely_text_section): Update.
120         (unlikely_text_section_p): Update.
121         (assemble_start_function): Update.
122         (assemble_end_function): Update.
123         (default_section_type_flags): Update.
124         (switch_to_section): Update.
125         * integrate.c (set_decl_abstract_flags): Update.
126         (get_hard_reg_initial_val): Update.
127         (has_hard_reg_initial_val): Update.
128         (allocate_initial_values): Update.
129         * resource.c (init_resource_info): Update.
130         * config/alpha/alpha.c (NUM_ARGS): Update.
131         (direct_return): Update.
132         (alpha_va_start): Update.
133         (alpha_sa_size): Update.
134         (alpha_initial_elimination_offset): Update.
135         (alpha_expand_prologue): Update.
136         (alpha_start_function): Update.
137         (alpha_expand_epilogue): Update.
138         (unicosmk_initial_elimination_offset):
139         * config/alpha/alpha.md (call expander): Update.
140         * config/s390/s390.c (s390_register_info): Update.
141         (s390_register_info): Update.
142         (s390_frame_info): Update.
143         (s390_initial_elimination_offset): Update.
144         (s390_build_builtin_va_list): Update.
145         (s390_va_start): Update.
146         * config/spu/spu.c (direct_return): Update.
147         (spu_expand_prologue): Update.
148         (spu_initial_elimination_offset): Update.
149         (spu_build_builtin_va_list): Update.
150         (spu_va_start): Update.
151         * config/sparc/sparc.c (sparc_init_modes): Update.
152         (sparc_compute_frame_size): Update.
153         (function_value): Update.
154         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
155         * config/i386/i386.md (return expander): Update.
156         * config/i386/i386.c (ix86_va_start): Update.
157         (ix86_can_use_return_insn_p): Update.
158         (ix86_compute_frame_layout): Update.
159         (ix86_expand_epilogue): Update.
160         * config/sh/sh.c (output_stack_adjust): Update.
161         (calc_live_regs): Update.
162         (sh_expand_prologue): Update.
163         (sh_builtin_saveregs): Update.
164         (sh_va_start): Update.
165         (initial_elimination_offset): Update.
166         (sh_allocate_initial_value): Update.
167         (sh_function_ok_for_sibcall): Update.
168         (sh_get_pr_initial_val): Update.
169         * config/sh/sh.md (return expander): Update.
170         * config/avr/avr.c (frame_pointer_required_p): UPdate.
171         * config/crx/crx.c (crx_compute_frame): UPdate.
172         (crx_initial_elimination_offset): UPdate.
173         * config/xtensa/xtensa.c (compute_frame_size): Update
174         (xtensa_builtin_saveregs): Update.
175         (xtensa_va_start): Update.
176         (order_regs_for_local_alloc): Update.
177         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
178         (xstormy16_expand_builtin_va_start): Update.
179         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
180         * config/m68hc11/m68hc11.md (return expanders): Update.
181         * config/m68hc11/m68hc11.c (expand_prologue): Update.
182         (expand_epilogue): Update.
183         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
184         (cris_simple_epilogue): Update.
185         (cris_expand_prologue): Update.
186         (cris_expand_epilogue): Update.
187         * config/iq2000/iq2000.c (iq2000_va_start): Update.
188         (compute_frame_size): Update.
189         * config/mt/mt.c (mt_compute_frame_size): Update.
190         * config/mn10300/mn10300.c (expand_prologue): Update.
191         (expand_epilogue): Update.
192         (initial_offset): Update.
193         (mn10300_builtin_saveregs):
194         * config/mn10300/mn10300.md (return expander): Update.
195         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
196         (ia64_initial_elimination_offset): Update.
197         (ia64_initial_elimination_offset): Update.
198         (ia64_expand_prologue): Update.
199         * config/m68k/m68k.md (return expander): Update.
200         * config/rs6000/rs6000.c (rs6000_va_start): Update.
201         (rs6000_stack_info): Update.
202         * config/mcore/mcore.c (layout_mcore_frame): Update.
203         (mcore_expand_prolog): Update.
204         * config/arc/arc.c (arc_compute_frame_size): Update.
205         * config/score/score3.c (score3_compute_frame_size): Update.
206         * config/score/score7.c (score7_compute_frame_size): Update.
207         * config/arm/arm.c (use_return_insn): Update.
208         (thumb_find_work_register): Update.
209         (arm_compute_save_reg_mask): Update.
210         (arm_output_function_prologue): Update.
211         (arm_output_epilogue): Update.
212         (arm_size_return_regs): Update.
213         (arm_get_frame_offsets): Update.
214         (arm_expand_prologue): Update.
215         (thumb_exit): Update.
216         (thumb_unexpanded_epilogue): Update.
217         (thumb1_output_function_prologue): Update.
218         * config/pa/pa.md (return expander): Update.
219         * config/pa/pa.c (compute_frame_size): Update.
220         (hppa_builtin_saveregs): Update.
221         * config/mips/mips.c (mips_va_start): Update.
222         (mips16_build_function_stub): Update.
223         (mips_compute_frame_info): Update.
224         (mips_restore_gp): Update.
225         (mips_output_function_prologue): Update.
226         (mips_expand_prologue): Update.
227         * config/v850/v850.c (compute_frame_size): Update.
228         (expand_prologue): * config/mmix/mmix.c (along): update.
229         (mmix_initial_elimination_offset): update.
230         (mmix_reorg): update.
231         (mmix_use_simple_return): update.
232         (mmix_expand_prologue): update.
233         (mmix_expand_epilogue): Update.
234         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
235         (emit_link_insn): Update.
236
237 2008-04-08  Anatoly Sokolov <aesok@post.ru>
238
239         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
240         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
241         instructions.
242         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
243         atmega103 device.
244
245 2008-04-07  Jan Hubicka  <jh@suse.cz>
246
247         * function.h (rtl): Rename to x_rtl.
248         (crtl): New define.
249         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
250         frame_offset, stack_check_probe_note, arg_pointer_save_area,
251         used_temp_slots avail_temp_slots, temp_slot_level,
252         nonlocal_goto_handler_labels): Update accesstors.
253         (rtl): New global variable.
254         (struct function): Move some fileds to rtl_data.
255         (get_arg_pointer_save_area): Update prototype.
256         * builtins.c (expand_builtin_setjmp_receiver): Update call of
257         get_arg_pointer_save_area.
258         * expr.c (init_expr): Update
259         * function.c (get_frame_size): Update
260         (assign_stack_local): Update
261         (expand_function_end): Update.
262         (get_art_pointer_save_area): Update
263         * function.h 
264         * emit-rtl.c (rtl): Declare.
265         (regno_reg_rtx): Declare.
266         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
267         Update.
268         (gen_reg_rtx): Update.
269         * varasm.c (n_deferred_constatns): Update accestor.
270         (init_varasm_status): Do not allocate varasm_status.
271         (force_const_mem, get_pool_size, output_constant_pool): Update.
272         * stmt.c (force_label_rtx): Do not use x_ prefixes.
273         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
274         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
275         * sparc/sparc.h (INIT_EXPANDERS): Update.
276         * ia64/ia64.h (INIT_EXPANDERS): Update.
277
278 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
279
280         * reload.c (push_secondary_reload): Add missing break to for loop.
281
282 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
283
284         PR middle-end/PR28690
285         * rtlanal.c: Update copyright years.
286         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
287         as REG_POINTER and MEM_POINTER operands.
288         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
289         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
290         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
291         * gcse.c: Update copyright years.
292         (pre_delete): Call gen_reg_rtx_and_attrs.
293         (hoist_code): Likewise.
294         (build_store_vectors): Likewise.
295         (delete_store): Likewise.
296         * loop-invariant.c (move_invariant_reg): Likewise.
297         Update copyright years.
298
299 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
300
301         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
302         control string instead of quoted.
303
304 2008-04-07  Kenneth Zadeck <zadeck@naturalbridge.com>
305
306         * doc/rtl.texi: Rewrite of subreg section.
307
308 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
309
310         PR/35842
311         * config/i386/i386.c (legitimize_pic_address): Add treating
312         of dllimport SYM_REF's.
313         (legitimize_dllimport_symbol): Add prototype.
314
315 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
316
317         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
318         reference in constructor with non self-referential type.
319
320 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
321
322         Removal of Return with Depressed Stack Pointer support
323         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
324         (ECF_SP_DEPRESSED): Likewise.
325         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
326         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
327         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
328         (expand_call): Do not test ECF_SP_DEPRESSED.
329         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
330         * function.c (keep_stack_depressed): Delete.
331         (handle_epilogue_set): Likewise.
332         (update_epilogue_consts): Likewise.
333         (emit_equiv_load): Likewise.
334         (thread_prologue_and_epilogue_insns): Remove support for Return with
335         Depressed Stack Pointer.
336         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
337
338 2008-04-06  Richard Guenther  <rguenther@suse.de>
339
340         PR tree-optimization/35400
341         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
342         information from SSA_NAMEs.
343
344 2008-04-06  Anatoly Sokolov <aesok@post.ru>
345
346         * config/avr/avr.h (avr_mega_p): Remove declaration.
347         (AVR_MEGA): Remove macro.
348         * config/avr/avr.c (avr_mega_p): Remove variable.
349         (avr_override_options): Remove inicializion of avr_mega_p.
350         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
351         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
352         (avr_jump_mode): (Ditto.).
353         (avr_output_progmem_section_asm_op): (Ditto.).
354         (avr_asm_init_sections): (Ditto.).
355         (avr_asm_init_sections): (Ditto.).
356         (avr_rtx_costs): (Ditto.).
357         * config/avr/avr.md: (Ditto.).
358         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
359         '__AVR_MEGA__'.
360
361 2008-04-06  Richard Guenther  <rguenther@suse.de>
362
363         PR tree-optimization/35842
364         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
365         is_gimple_invariant_address.
366
367 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
368
369         * gcc.c (default_compilers): Sync Fortran extensions list with
370         that in fortran/lang-specs.h.
371         * doc/invoke.texi: Likewise.
372         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
373         * dwarf2out.c (gen_compile_unit_die): Likewise.
374
375 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
376
377         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
378
379 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
380
381         PR target/12329
382         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
383         attribute is used for nested functions.
384
385 2008-04-05  Jan Hubicka  <jh@suse.cz>
386
387         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
388
389         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
390         letter argument.
391         (dump_files): Update.
392         (enable_rtl_dump_file): Do not accept letter argument.
393         * tree-pass.h (dump_file_info): Remove letter argument.
394         * toplev.c (decode_d_option): Update -da handling.
395         * toplev.h (enable_rtl_dump_file): Update prototype.
396         * passes.c (register_one_dump_file): Do not accept IPA argument; work
397         it out based on pass type.
398         (register_dump_files_1): Likewise.
399         (init_optimization_passes): Update register_one_dump_file calls.
400         (execute_one_pass): Sanity check that IPA passes are called at IPA
401         level and RTL passes at RTL level.
402         (execute_pass_list): IPA pass can not be after or subpass of
403         GIMPLE/RTL pass.
404         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
405         disallov RTL subpasses of IPA subpasses.
406
407 2008-04-05  Ben Elliston  <bje@au.ibm.com>
408
409         * tree-cfg.c (need_fake_edge_p): Return false for calls to
410         builtins that return exactly once and do not throw. Cache call to
411         call_expr_flags.
412
413 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
414
415         PR rtl-optimization/34916
416         PR middle-end/35519
417         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
418         between instruction pairs.
419
420 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
421
422         * doc/invoke.texi: Document -mbitops for SH.
423         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
424         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
425         * config/sh/sh.c (print_operand): Add %t operand code.
426         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
427         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
428         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
429         (extendqihi2): Likewise.
430         (movqi_i): Likewise.
431         (insv): Use bset, bclr and bst instructions for SH2A if possible.
432         (extv): Use bld instruction for SH2A if possible.
433         (extzv): Likewise.
434         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
435         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
436         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
437         (bset.b, bclr.b): Define peepholes.
438         * config/sh/sh.opt (mbitops): New option.
439
440 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
441
442         PR target/35620
443         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
444         and view convert expression.
445
446 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
447
448         PR target/35364
449         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
450
451 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
452
453         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
454
455         * config/i386/cpuid.h (bit_AES): New.
456         (bit_PCLMUL): Likewise.
457
458         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
459         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
460         SSE2 if AES or PCLMUL is enabled.
461         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
462         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
463         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
464         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
465         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
466         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
467         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
468         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
469         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
470         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
471         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
472         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
473         __builtin_ia32_aeskeygenassist128 and
474         __builtin_ia32_pclmulqdq128.
475         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
476         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
477         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
478
479         * config/i386/i386.h (TARGET_AES): New.
480         (TARGET_PCLMUL): Likewise.
481         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
482
483         * config/i386/i386.md (UNSPEC_AESENC): New.
484         (UNSPEC_AESENCLAST): Likewise.
485         (UNSPEC_AESDEC): Likewise.
486         (UNSPEC_AESDECLAST): Likewise.
487         (UNSPEC_AESIMC): Likewise.
488         (UNSPEC_AESKEYGENASSIST): Likewise.
489         (UNSPEC_PCLMUL): Likewise.
490
491         * config/i386/i386.opt (maes): New.
492         (mpclmul): Likewise.
493
494         * config/i386/sse.md (aesenc): New pattern.
495         (aesenclast): Likewise.
496         (aesdec): Likewise.
497         (aesdeclast): Likewise.
498         (aesimc): Likewise.
499         (aeskeygenassist): Likewise.
500         (pclmulqdq): Likewise.
501
502         * config/i386/wmmintrin.h: New.
503
504         * doc/extend.texi: Document AES and PCLMUL built-in function.
505
506         * doc/invoke.texi: Document -maes and -mpclmul.
507
508 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
509
510         * function.c (free_after_parsing): Replace with
511         cxx_push_function_context from C++ front-end.
512         (allocate_struct_function): Don't call langhook.
513         * langhooks.h (struct lang_hooks_for_functions): Delete.
514         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
515         member "function".
516         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
517         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
518         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
519         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
520         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
521         remove LANG_HOOKS_FUNCTION_INITIALIZER.
522         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
523
524         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
525         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
526         
527 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
528
529         PR c/35440
530         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
531         for all types.
532
533 2008-04-04  Richard Guenther  <rguenther@suse.de>
534
535         PR middle-end/35823
536         * fold-const.c (optimize_minmax_comparison): Use the correct
537         type for the constant in the simplified comparison.
538
539 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
540
541         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
542         Pass L2 size as "--param l2-cache-size" to the compiler.
543         (decode_l2_cache): New function to decode L2 cache parameters using
544         0x8000006 extended cpuid function.
545         (detect_caches_amd): Determine parameters of L2 cache using
546         decode_l2_caches function.
547         (decode_caches_intel): Decode L2 cache parameters.
548         (detect_caches_intel): Determine L2 cache parameters using
549         decode_caches_intel and decode_l2_caches functions.
550
551 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
552
553         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
554         secondary input reload for subword loads from the constant pool.
555
556 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
557
558         PR target/35713
559         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
560           constants of the appropriate size for runtime calculations.
561
562         PR c/35712
563         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
564           decimal-float literal constant zero.
565
566 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
567
568         PR c/35738
569         * c-parser.c (c_parser_omp_atomic): Call
570         default_function_array_conversion on the RHS.
571
572         PR middle-end/35818
573         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
574         call is_variable_sized if decl has incomplete type.
575
576 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
577
578         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
579
580 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
581
582         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
583         iterators.
584         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
585         (sgt<u>): Merge sgt and sgtu into new expander.
586         (sgt, sgtu): Remove expanders.
587         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
588         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
589         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
590         *sgtu_<mode>_mips16 into new pattern.
591         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
592         (sge<u>): Merge sge and sgeu into new expander.
593         (sge, sgeu): Remove expanders.
594         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
595         new pattern.
596         (*sge_<mode>, second *sge_<mode>): Remove patterns.
597         (slt<u>): Merge slt and sltu into new expander.
598         (slt, sltu): Remove expanders.
599         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
600         (*slt_<mode>, *sltu_<mode>): Remove patterns.
601         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
602         *sltu_<mode>_mips16 into new pattern.
603         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
604         (sle<u>): Merge sle and sleu into new expander.
605         (sle, sleu): Remove expanders.
606         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
607         (*sle_<mode>, *sleu_<mode>): Remove patterns.
608         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
609         *sleu_<mode>_mips16 into new pattern.
610         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
611
612 2008-04-03  Jan Hubicka  <jh@suse.cz>
613
614         PR tree-optimization/35795
615         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
616         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
617         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
618         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
619         * score/score3.c (score3_output_mi_thunk): Likewise.
620         * score/score7.c (score7_output_mi_thunk): Likewise.
621         * mips/mips.c (mips_output_mi_thunk): Likewise.
622
623 2008-04-03  Richard Guenther  <rguenther@suse.de>
624
625         * tree-vrp.c (extract_range_from_unary_expr): Handle all
626         conversions.  Simplify code.
627
628 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
629
630         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
631
632 2008-04-03  Tom Tromey  <tromey@redhat.com>
633             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
634
635         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
636         * config/bfin/t-bfin-linux (generated_files): Add
637         linux-sysroot-suffix.h.
638         * doc/install.texi (Prerequisites): Require make 3.80.
639         * doc/sourcebuild.texi (Front End Directory): Document new
640         variable.
641         * Makefile.in (generated_files): New variable.
642         (ALL_HOST_OBJS): New variable.
643         ($(ALL_HOST_OBJS)): New target.
644
645 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
646
647         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
648         (remap_block): Call id->transform_lang_insert_block instead
649         of langhook.
650         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
651         Set id.transform_lang_insert_block to NULL.
652         (clone_body): Move to cp/optimize.c
653         * tree-inline.h (struct copy_body_data): Change
654         transform_lang_insert_block to function pointer.
655         (copy_generic_body, copy_decl_no_change): Export.
656         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
657         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
658         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
659
660         * c-tree.h (insert_block): Kill.
661         * c-decl.c (insert_block): Kill.
662
663 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
664
665         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
666         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
667         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
668         argument.
669         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
670         argument, call {push,pop}_function_context from here.
671         * c-parser.c: Use c_{push,pop}_function_context.
672
673         * function.c (push_function_context_to): Move meat ...
674         (push_function_context): ... here.  Simplify.
675         * function.c (pop_function_context_from): Move meat ...
676         (pop_function_context): ... here.  Simplify.
677         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
678         leave_nested).
679         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
680         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
681         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
682         * tree.h (push_function_context_to, pop_function_context_from): Remove.
683
684 2008-04-03  Ben Elliston  <bje@au.ibm.com>
685
686         * expmed.c (extract_force_align_mem_bit_field): Remove.
687
688 2008-04-03  Richard Guenther  <rguenther@suse.de>
689
690         PR middle-end/35800
691         * expr.h (try_casesi): Adjust prototype.
692         * expr.c (try_casesi): Take fallback label as extra parameter.
693         Use that for gen_casesi if default_label is NULL.
694         * stmt.c (expand_case): Pass fallback label to try_casesi,
695         make sure to fill gaps with a fallback label if default_label
696         is not present.
697
698 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
699
700         PR target/35801
701         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
702
703 2008-04-03  Ben Elliston  <bje@au.ibm.com>
704
705         * expmed.c (extract_split_bit_field): Remove if (0) code.
706         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
707         (do_ds_constraint): Likewise.
708
709 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
710
711         * doc/cppopts.texi (-dU): Document.
712         * c-common.h (flag_dump_macros): Update comment.
713         * c-opts.c (handle_OPT_d): Handle -dU.
714         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
715         dump_queued_macros, cb_used_define, cb_used_undef): New.
716         (init_pp_output): Handle -dU.
717         (cb_line_change): Call dump_queued_macros.
718         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
719
720 2008-04-02  Anatoly Sokolov <aesok@post.ru>
721
722         * config/avr/predicates.md (io_address_operand): New predicate. 
723         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
724         * config/avr/avr.c (avr_io_address_p): Remove function.
725         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
726         'avr_io_address_p' function.
727         (out_movhi_r_mr): (Ditto.).
728         (out_movqi_mr_r): (Ditto.).
729         (out_movhi_mr_r): (Ditto.).
730         (avr_address_cost): (Ditto.).
731
732 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
733
734         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
735         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
736         in 32bit mode when XMM registers are available to avoid store
737         forwarding stalls.
738         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
739         corresponding post-reload splitters.
740
741 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
742
743         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
744         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
745         __builtin_ia32_roundss.
746         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
747         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
748         __builtin_ia32_roundss.
749         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
750         IX86_BUILTIN_SHUFPD here.
751
752 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
753
754         * config/i386/i386.md (plogic): New.
755         (plogicprefix): Likewise.
756
757         * config/i386/mmx.md (mmx_<code><mode>3): New.
758         (mmx_and<mode>3): Removed.
759         (mmx_ior<mode>3): Likewise.
760         (mmx_xor<mode>3): Likewise.
761
762         * config/i386/sse.md (<code><mode>3): New.
763         (*<code><mode>3): Likewise.
764         (*<code><mode>3): Likewise.
765         (<code><mode>3): Likewise.
766         (*sse_<code><mode>3): Likewise.
767         (*sse2_<code><mode>3): Likewise.
768         (<code>tf3): Likewise.
769         (*<code>tf3): Likewise.
770         (and<mode>3): Likewise.
771         (*and<mode>3): Likewise.
772         (ior<mode>3): Removed.
773         (*ior<mode>3): Likewise.
774         (xor<mode>3): Likewise.
775         (*xor<mode>3): Likewise.
776         (*and<mode>3): Likewise.
777         (*ior<mode>3): Likewise.
778         (*xor<mode>3): Likewise.
779         (and<mode>3): Likewise.
780         (*sse_and<mode>3): Likewise.
781         (*sse2_and<mode>3): Likewise.
782         (andtf3): Likewise.
783         (*andtf3): Likewise.
784         (ior<mode>3): Likewise.
785         (*sse_ior<mode>3): Likewise.
786         (*sse2_ior<mode>3): Likewise.
787         (iortf3): Likewise.
788         (*iortf3): Likewise.
789         (xor<mode>3): Likewise.
790         (*sse_xor<mode>3): Likewise.
791         (*sse2_xor<mode>3): Likewise.
792         (xortf3): Likewise.
793         (*xortf3): Likewise.
794
795 2008-04-02  Richard Guenther  <rguenther@suse.de>
796
797         PR tree-optimization/14495
798         PR tree-optimization/34793
799         * tree-vrp.c (struct switch_update): New structure.
800         (to_remove_edges, to_update_switch_stmts): New VECs.
801         (simplify_switch_using_ranges): New function.  Remove not taken
802         case labels and edges.
803         (simplify_stmt_using_ranges): Call it.
804         (identify_jump_threads): Mark edges we have queued for removal
805         so we don't thread them.
806         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
807         case label vector.
808         * tree-cfg.c (group_case_labels): Deal with missing default label.
809         (tree_verify_flow_info): Allow missing default label.
810         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
811         (emit_case_nodes): Likewise.
812         (expand_case): Do not rely on the default label to be present.
813         * expr.c (try_casesi): Deal with NULL default_label.
814         (do_tablejump): Likewise.
815
816 2008-04-02  Richard Guenther  <rguenther@suse.de>
817
818         PR tree-optimization/14495
819         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
820         SWITCH_EXPR here ...
821         (vrp_visit_switch_stmt): ... but here (new function).
822         (find_case_label_index): New helper function.
823         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
824
825 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
826
827         * fwprop.c: Fix ISO-C99ism.
828
829 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
830
831         PR bootstrap/35752
832         * Makefile.in (objdir): Set it here.
833         * configure.ac: Not here.  Find dynamic linker characteristics.
834         * exec-tool.in: Use them.
835         * aclocal.m4: Regenerate.
836         * configure: Regenerate.
837
838 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
839
840         * expr.c (expand_var): Delete it.
841         * expr.h (expand_var): Delete prototype.
842         * function.c (expand_function_start): Use expand_decl instead.
843         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
844         langhook.
845
846 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
847
848         PR rtl-optimization/35542
849         * fwprop.c (forward_propagate_and_simplify): Replace
850         loc_reg_mentioned_in_p with reg_mentioned_p.
851
852 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
853
854         PR rtl-optimization/35281
855         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
856         (propagate_rtx_1): Handle PR_HANDLE_MEM.
857         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
858         (varying_mem_p): Move above propagate_rtx.
859         (all_uses_available_at): Do not check MEMs.
860
861 2008-04-02  Rafael Espindola  <espindola@google.com>
862
863         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
864         (register_edge_assert_for_2): Split the cond argument.
865         (register_edge_assert_for_1): Adjust for the change in
866         register_edge_assert_for_2.
867         (register_edge_assert_for): Split the cond argument.
868         (find_switch_asserts): Adjust for the change in
869         register_edge_assert_for.
870
871 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
872
873         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
874         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
875         offsets for 64-bit mingw.
876         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
877         abi for x86_64-pc-mingw.
878
879 2008-04-02  Richard Guenther  <rguenther@suse.de>
880
881         * tree-vrp.c (extract_range_from_assert): Make sure to not
882         produce range min/max with TREE_OVERFOW set.
883         If merging a anti-range and a range keep the anti-range if
884         the range covers all values of the type.
885         (register_edge_assert_for_2): Only allow sign-changing
886         conversions in detecting canonical range checks.  Also
887         register an assert for the unsigned name if useful.
888
889         PR tree-optimization/35787
890         * tree-vrp.c (vrp_val_max): New function.
891         (vrp_val_min): Likewise.
892         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
893         (vrp_val_is_min): Likewise.
894         (supports_overflow_infinity): Use vrp_val_{min,max}.
895         (negative_overflow_infinity): Likewise.
896         (positive_overflow_infinity): Likewise.
897         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
898         (is_positive_overflow_infinity): Likewise.
899         (is_overflow_infinity): Likewise.
900         (avoid_overflow_infinity): Use vrp_val_{min,max} and
901         vrp_val_is_{min,max}.
902         (set_and_canonicalize_value_range): Canonicalize anti-ranges
903         to ranges if possible.  Avoid empty ranges.
904
905 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
906
907         PR middle-end/35705
908         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
909         the expression is a function address.
910
911 2008-04-01  George Helffrich  <george@gcc.gnu.org>
912
913         PR fortran/PR35154, fortran/PR23057
914         * fortran/trans-common.c (create_common):  Add decl to function
915         chain to preserve identifier scope in debug output.
916
917         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
918         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
919         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
920         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
921         in common.
922         (dbxout_syms): Check for COMMON-based symbol and wrap in
923         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
924         in bracket for efficiency.
925
926         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
927         using DW_TAG_common_block + member offset.
928         (add_pubname_string): New function.
929         (dw_expand_expr): New function to find block name and offset for
930         COMMON var.
931         (common_check): New function to check whether symbol in Fortran COMMON.
932         (gen_variable_die): If COMMON, use DW_TAG_common_block.
933
934         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
935         use of common is unchanged.
936
937         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
938         with all combinations of debug options available on target.
939         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
940         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
941         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
942         .stabs functionality.
943         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
944         DWARF functionality.
945
946 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
947
948         PR c/35436
949         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
950
951 2008-04-02  Ben Elliston  <bje@au.ibm.com>
952
953         * config/v850/v850.md (casesi): Remove if (0) code.
954         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
955         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
956
957 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
958
959         * config/i386/i386.md (rex64suffix): New mode attribute.
960         (floathi<mode>2): Disable expander for SSE math.
961         (*floathi<mode>2_1): New insn insn_and_split pattern.
962         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
963         corresponding post-reload splitters.
964         (*floathi<mode>2_i387): New macroized insn pattern.
965         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
966         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
967         insn_and_split pattern.
968         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
969         New macroized instruction patterns and corresponding post-reload
970         splitters.
971         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
972         and corresponding post-reload splitters.
973         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
974         New macroized instruction patterns.
975         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
976         macroized instruction patterns and corresponding post-reload splitters.
977         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
978         corresponding post-reload splitters.
979         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
980         New macroized instruction patterns.
981         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
982         corresponding post-reload splitters.
983         (*floatsi<mode>2_i387): New macroized instruction patterns.
984
985 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
986
987         * config/i386/i386.md (smaxmin): New.
988         (umaxmin): Likewise.
989         (maxminiprefix): Likewise.
990         (maxminfprefix): Likewise.
991         (<code><mode>3): Likewise.
992         (smin<mode>3): Removed.
993         (smax<mode>3): Likewise.
994
995         * config/i386/mmx.md (mmx_<code>v2sf3): New.
996         (mmx_<code>v4hi3): Likewise.
997         (mmx_<code>v8qi3): Likewise.
998         (mmx_smaxv2sf3): Removed.
999         (mmx_sminv2sf3): Likewise.
1000         (mmx_umaxv8qi3): Likewise.
1001         (mmx_smaxv4hi3): Likewise.
1002         (mmx_uminv8qi3): Likewise.
1003         (mmx_sminv4hi3): Likewise.
1004
1005         * config/i386/sse.md (<addsub><mode>3): New.
1006         (*<addsub><mode>3): Likewise.
1007         (<sse>_vm<addsub><mode>3): Likewise.
1008         (<maxmin><mode>3): Likewise.
1009         (*<maxmin><mode>3_finite): Likewise.
1010         (*<maxmin><mode>3): Likewise.
1011         (<sse>_vm<maxmin><mode>3): Likewise.
1012         (sse3_h<addsub>v4sf3): Likewise.
1013         (sse3_h<addsub>v2df3): Likewise.
1014         (<maxmin>v16qi3): Likewise.
1015         (*<maxmin>v16qi3): Likewise.
1016         (<maxmin>v8hi3): Likewise.
1017         (*<maxmin>v8hi3): Likewise.
1018         (*sse4_1_<maxmin><mode>3): Likewise.
1019         (*sse4_1_<maxmin><mode>3): Likewise.
1020         (add<mode>3): Removed.
1021         (*add<mode>3): Likewise.
1022         (<sse>_vmadd<mode>3): Likewise.
1023         (sub<mode>3): Likewise.
1024         (*sub<mode>3): Likewise.
1025         (<sse>_vmsub<mode>3): Likewise.
1026         (smin<mode>3): Likewise.
1027         (*smin<mode>3_finite): Likewise.
1028         (*smin<mode>3): Likewise.
1029         (<sse>_vmsmin<mode>3): Likewise.
1030         (smax<mode>3): Likewise.
1031         (*smax<mode>3_finite): Likewise.
1032         (*smax<mode>3): Likewise.
1033         (<sse>_vmsmax<mode>3): Likewise.
1034         (sse3_haddv4sf3): Likewise.
1035         (sse3_haddv2df3): Likewise.
1036         (sse3_hsubv4sf3): Likewise.
1037         (sse3_hsubv2df3): Likewise.
1038         (umaxv16qi3): Likewise.
1039         (*umaxv16qi3): Likewise.
1040         (smaxv8hi3): Likewise.
1041         (*smaxv8hi3): Likewise.
1042         (*sse4_1_smax<mode>3): Likewise.
1043         (*sse4_1_umax<mode>3): Likewise.
1044         (uminv16qi3): Likewise.
1045         (*uminv16qi3): Likewise.
1046         (sminv8hi3): Likewise.
1047         (*sminv8hi3): Likewise.
1048         (*sse4_1_smin<mode>3): Likewise.
1049         (*sse4_1_umin<mode>3): Likewise.
1050
1051 2008-04-01  Rafael Espindola  <espindola@google.com>
1052
1053         * tree-cfg.c (verify_expr): remove in_phi.
1054         (verify_stmt): Don't call walk_tree with verify_expr. Use
1055         is_gimple_min_invariant instead of is_gimple_val.
1056
1057 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
1058
1059         * doc/include/gpl_v3.texi: Update for manpage generation.
1060         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
1061         gpl.texi.
1062         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
1063         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
1064         gpl_v3.texi instead of gpl.texi.
1065         (gpl.pod): New.
1066
1067 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
1068
1069         PR pch/13675
1070         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
1071
1072 2008-04-01  Rafael Espindola  <espindola@google.com>
1073
1074         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
1075         (extract_code_and_val_from_cond): Use
1076         extract_code_and_val_from_cond_with_ops.
1077
1078 2008-04-01  Jan Hubicka  <jh@suse.cz>
1079
1080         * function.c (free_after_compilation): Free epilogue_delay_list.
1081         (prepare_function_start): Assert that previous compilation was freed.
1082
1083 2008-04-01  Jan Hubicka  <jh@suse.cz>
1084             Jim Wilson  <wilson@tuliptree.org>
1085             Andreas Tobler <andreast@gcc.gnu.org>
1086
1087         PR middle-end/35781
1088         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
1089         rtl.emit instead cfun->emit.
1090         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
1091         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
1092
1093 2008-04-01  Ben Elliston  <bje@au.ibm.com>
1094
1095         * doc/c-tree.texi (Function Basics): Fix grammatical error.
1096
1097 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
1098
1099         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
1100         New options
1101         (fprofile-use): Add var flag_profile_use
1102         * coverage.c (coverage_begin_output): Do not open a gcno file for
1103         output only if -ftest-coverage is set.
1104         Do not add getpwd() to gcda file path.
1105         (build_gcov_info): Check the new flag
1106         flag_profile_datafile_relative_path.
1107         (coverage_init): Use profile_data_prefix.
1108         Read profile counter only if flag_profile_use is set.
1109         * opts.c (common_handle_option): New option fprofile-use=,
1110         fprofile-dir=, fprofile-generate=.
1111         * toplev.c (profile_data_prefix): New variable definition.
1112         * toplev.h (profile_data_prefix): New declaration.
1113         * doc/invoke.tex (Option Summary, Optimization Options):
1114         Add new options.
1115
1116 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
1117
1118         * varasm.c (output_constant_pool_1): In LABEL_REF check,
1119         use tmp consistently.
1120
1121         PR target/35695
1122         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
1123         * config/ia64/ia64.c (rtx_needs_barrier): Handle
1124         UNSPEC_FR_RECIP_APPROX_RES.
1125         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
1126
1127 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
1128
1129         PR c/35750
1130         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
1131
1132 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1133
1134         PR middle-end/30186
1135         * fold-const.c (fold_indirect_ref_1): Support accessing non first
1136         element of the vector via a pointer.
1137
1138 2008-03-31  Ian Lance Taylor  <iant@google.com>
1139
1140         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
1141
1142 2008-03-31  Jan Hubicka  <jh@suse.cz>
1143
1144         * builtins.c (expand_builtin_setjmp_receiver): Update call of
1145         get_arg_pointer_save_area.
1146         * expr.c (init_expr): Just clear out rtl.expr.
1147         * function.c (free_after_compilation): Clear out whole RTL structure.
1148         (get_func_frame_size): Merge into ...
1149         (get_frame_size): ... this one.
1150         (assign_stack_local_1): Merge into ...
1151         (assign_stack_local): ... this one.
1152         (expand_function_end): Update call of get_arg_pointer_save_area.
1153         (get_art_pointer_save_area): Remove cfun argument.
1154         * function.h (emit_status): regno_pointer_align does not need length
1155         attribute. Move x_regno_reg_rtx to ...
1156         (regno_reg_rtx): ... new global array.
1157         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
1158         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
1159         apply_args_value, forced_labels, stack_pointer_delta):
1160         Update accestors.
1161         (struct varasm_status): Move here from varasm.c
1162         (struct rtl_data): New. Move here some fields from struct function.
1163         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
1164         frame_offset, stack_check_probe_note, arg_pointer_save_area,
1165         used_temp_slots avail_temp_slots, temp_slot_level,
1166         nonlocal_goto_handler_labels): Update accesstors.
1167         (rtl): New global variable.
1168         (struct function): Move some fileds to rtl_data.
1169         (get_arg_pointer_save_area): Update prototype.
1170         * emit-rtl.c (rtl): Declare.
1171         (regno_reg_rtx): Declare.
1172         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
1173         Update.
1174         (gen_reg_rtx): Update.
1175         (init_virtual_regs): Do not tate emit_status argument.
1176         (init_emit): Do not allocate emit.
1177         * varasm.c (varasm_statuc): Move to function.h.
1178         (n_deferred_constatns): Update accestor.
1179         (init_varasm_status): Do not allocate varasm_status.
1180         (force_const_mem, get_pool_size, output_constant_pool): Update.
1181         * stmt.c (force_label_rtx): Do not use x_ prefixes.
1182         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
1183
1184 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
1185
1186         PR rtl-optimization/35729
1187         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
1188         references.
1189
1190 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
1191
1192         PR target/32000
1193         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
1194         load/store if memory is unaligned.
1195         (*movti_rex64): Likewise.
1196
1197         * config/i386/predicates.md (misaligned_operand): New.
1198
1199 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
1200
1201         PR tree-opt/35431
1202         * tree-ssa-phiopt.c (conditional_replacement): Return early for
1203         complex types.
1204
1205 2008-03-31  Jan Beulich  <jbeulich@novell.com>
1206
1207         * config/ia64/constraints.md: Add 'j' constraint.
1208         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
1209         (movdi_internal): Likewise.
1210
1211 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
1212
1213         PR c/35748
1214         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
1215
1216 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
1217
1218         PR target/35757
1219         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
1220         proper error message for the third argument on blendpd and
1221         blendps.
1222
1223         * config/i386/sse.md (blendbits): New.
1224         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
1225
1226 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
1227
1228         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
1229
1230 2008-03-30  Richard Guenther  <rguenther@suse.de>
1231
1232         PR middle-end/31023
1233         * fold-const.c (fold_sign_changed_comparison): Do leave
1234         conversions to base-types alone.
1235
1236 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1237
1238         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
1239         the link register if one altivec register is be saved.
1240
1241 2008-03-30  Ben Elliston  <bje@au.ibm.com>
1242
1243         * final.c (final_scan_insn): Remove if (0) code.
1244
1245 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
1246
1247         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
1248
1249 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
1250
1251         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
1252         of V4SFmode to ix86_binary_operator_ok.
1253
1254 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
1255
1256         * config/i386/i386.c (override_options): Initialize
1257         ix86_veclib_handler to ix86_veclibabi_svml when
1258         -mveclibabi=svml is used.
1259         (ix86_veclibabi_svml): New function for SVML ABI style
1260         vectorization support.
1261         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
1262
1263 2008-03-28  Rafael Espindola  <espindola@google.com>
1264
1265         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
1266         (tree_binary_nonnegative_warnv_p): Make it public.
1267         (tree_single_nonnegative_warnv_p): Make it public.
1268         (tree_invalid_nonnegative_warnv_p): Make it public.
1269         (tree_unary_nonzero_warnv_p): Make it public.
1270         (tree_binary_nonzero_warnv_p): Make it public
1271         (tree_single_nonzero_warnv_p): Make it public.
1272         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
1273         (extract_range_from_binary_expr): Split the expr argument.
1274         (extract_range_from_unary_expr): Split the expr argument.
1275         (extract_range_from_comparison): Split the expr argument.
1276         (extract_range_from_expr): Use the new aux functions.
1277         (vrp_evaluate_conditional_warnv): Use
1278         vrp_evaluate_conditional_warnv_with_ops.
1279         * tree.h (tree_unary_nonzero_warnv_p): Declare.
1280         (tree_binary_nonzero_warnv_p): Declare.
1281         (tree_single_nonzero_warnv_p): Declare.
1282         (tree_expr_nonzero_warnv_p): Declare.
1283         (tree_unary_nonnegative_warnv_p): Declare.
1284         (tree_binary_nonnegative_warnv_p): Declare.
1285         (tree_single_nonnegative_warnv_p): Declare.
1286         (tree_invalid_nonnegative_warnv_p): Declare.
1287
1288 2008-03-28  Richard Guenther  <rguenther@suse.de>
1289
1290         PR tree-optimization/30317
1291         PR tree-optimization/30911
1292         PR tree-optimization/34793
1293         * tree-vrp.c (set_and_canonicalize_value_range): New function.
1294         (struct assert_locus_d): New member EXPR.
1295         (register_new_assert_for): Add EXPR parameter to support
1296         ASSERT_EXPR <name, expr OP limit>.
1297         (register_edge_assert_for_1): Adjust callers.
1298         (find_assert_locations): Likewise.
1299         (process_assert_insertions_for): Build condition from expression.
1300         (extract_range_from_assert): Handle ASSERT_EXPRs
1301         of the form ASSERT_EXPR <name, expr OP limit>.
1302         (register_edge_assert_for_2): New helper registering
1303         asserts for comparisons.  Recognize range tests of the form
1304         (unsigned)i - CST1 OP CST2.
1305         (register_edge_assert_for_1): Use it.
1306         (register_edge_assert_for): Likewise.
1307         (needs_overflow_infinity): Integer sub-types
1308         do not need overflow infinities.
1309         (vrp_val_is_max): The extreme values of integer sub-types
1310         are those of the base type.
1311         (vrp_val_is_min): Likewise.
1312         * tree.def (ASSERT_EXPR): Document extra allowed conditional
1313         expressions.
1314
1315 2008-03-28  Nick Clifton  <nickc@redhat.com>
1316
1317         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
1318         Return GENERAL_REGS for stack adjustment reloads.
1319
1320 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1321
1322         PR target/31334
1323         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
1324         const_vector when all the vectors are constant.
1325
1326 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
1327
1328         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
1329         comparisons.
1330         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
1331         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
1332         (scc_sf): New.
1333         (s<code>_sf): Use new scc_sf attribute for opcode names.
1334
1335 2008-03-27  Tom Tromey  <tromey@redhat.com>
1336
1337         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
1338         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
1339         config/spu/t-spu-elf, config/i386/t-interix,
1340         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
1341         config/i386/x-darwin, config/i386/x-mingw32,
1342         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
1343         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
1344         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
1345         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
1346         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
1347         config/rs6000/x-darwin, config/rs6000/t-rs6000,
1348         config/score/t-score-elf, config/arm/t-strongarm-pe,
1349         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
1350         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
1351         Revert automatic dependency patch.
1352
1353 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1354
1355         PR target/35657
1356         * config/i386/i386.c (ix86_function_arg_boundary): Align
1357         decimal floating point to its natural boundary.
1358
1359 2008-03-27  Richard Guenther  <rguenther@suse.de>
1360
1361         PR middle-end/35716
1362         * fold-const.c (fold_comparison): Restrict distinct decl
1363         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
1364         solely rely on operand_equal_p.
1365
1366 2008-03-27  Richard Guenther  <rguenther@suse.de>
1367
1368         PR c/32511
1369         * c-common.c (handle_weak_attribute): Reject combination of
1370         weak and inline.
1371
1372 2008-03-27  Richard Guenther  <rguenther@suse.de>
1373
1374         PR tree-optimization/32810
1375         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
1376         conversions from DECL_INITIAL.
1377         (fold_const_aggregate_ref): Likewise from constructor elements.
1378
1379 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
1380
1381         * tree-affine.h (aff_combination_expand): Declare.
1382         (get_inner_reference_aff): Likewise.
1383         * tree-affine.c (aff_combination_expand): Split out from
1384         tree_to_aff_combination_expand.
1385         (get_inner_reference_aff): New function.
1386         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
1387         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
1388         (struct lim_aux_data): sm_done field removed.
1389         (mem_ref_loc_p, mem_ref_locs_p): New types.
1390         (struct mem_ref): Added id, stored, accesses_in_loop,
1391         indep_loop, dep_loop, indep_ref, dep_ref fields.
1392         Removed is_stored, locs and next fields.
1393         (memory_accesses): New variable.
1394         (movement_possibility): Do not allow moving statements
1395         that store to memory.
1396         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
1397         New functions.
1398         (determine_max_movement): For statements with memory references,
1399         find the outermost loop in that the reference is independent.
1400         (move_computations_stmt): Mark the virtual operands for renaming.
1401         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
1402         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
1403         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
1404         add_vop_ref_mapping, create_vop_ref_mapping_loop,
1405         create_vop_ref_mapping, analyze_memory_references,
1406         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
1407         get_all_locs_in_loop, ref_always_accessed_p,
1408         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
1409         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
1410         store_motion_loop, store_motion): New functions.
1411         (struct vop_to_refs_elt): New type.
1412         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
1413         memref_hash, memref_eq, hoist_memory_references): Rewritten.
1414         (schedule_sm): Replaced by...
1415         (execute_sm): ... this.
1416         (determine_lsm_ref, hoist_memory_references,
1417         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
1418         find_more_ref_vops, free_mem_ref, free_mem_refs,
1419         determine_lsm_loop, determine_lsm): Removed.
1420         (tree_ssa_lim_finalize): Free data structures used by store motion.
1421         (tree_ssa_lim): Call analyze_memory_references.  Use
1422         store_motion instead of determine_lsm.
1423
1424 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
1425
1426         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
1427         rename tmake_file to m68hc11/t-m68hc11.
1428         (mcore): Set inhibit_libc to true.
1429         * config.host (alpha*-dec-*vms*): Set extra_programs.
1430         (interix3*): Don't use host_xmake_file.
1431         * configure.ac: Let config.gcc override inhibit_libc.
1432         * configure: Regenerate.
1433
1434         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
1435         * config/t-openbsd-thread: Remove commented out lines.
1436         
1437         * config/x-interix: Remove.
1438
1439         * config/m68hc11/t-m68hc11-gas: Rename to...
1440         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
1441
1442         * config/mcore/t-mcore: Remove T_CFLAGS.
1443         * config/mcore/t-mcore-pe: Likewise.
1444
1445 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
1446
1447         * configure.ac: Replace custom __GNU_SOURCE test with
1448         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
1449         * aclocal.m4: Regenerate.
1450         * configure: Regenerate.
1451         * config.in: Regenerate.
1452
1453 2008-03-27  Richard Guenther  <rguenther@suse.de>
1454
1455         * fold-const.c (target.h): Include.
1456         (fold_comparison): Fold comparison of addresses of decls
1457         that bind locally or of constants.  Consolidate address folding code.
1458         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
1459         results from fold_binary_to_constant.
1460         (compare_values_warnv): Likewise.
1461
1462 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
1463
1464         PR middle-end/35429
1465         * fold-const.c (fold_truthop): Check for integeral types when folding
1466         a == 0 && b == 0 and a != 0 || b != 0 .
1467
1468 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
1469
1470         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
1471
1472 2008-03-26  Andreas Schwab  <schwab@suse.de>
1473
1474         * doc/invoke.texi: Fix use of @item vs. @itemx.
1475
1476 2008-03-26  Tom Tromey  <tromey@redhat.com>
1477
1478         * Makefile.in (build/gensupport.o, build/print-rtl.o,
1479         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
1480         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
1481         build/gencodes.o, build/genconditions.o, build/genconfig.o,
1482         build/genconstants.o, build/genemit.o, build/genextract.o,
1483         build/genflags.o, build/genmddeps.o, build/genopinit.o,
1484         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
1485         options.h.
1486
1487 2008-03-26  Richard Guenther  <rguenther@suse.de>
1488
1489         Revert
1490         2008-03-26  Richard Guenther  <rguenther@suse.de>
1491
1492         * fold-const.c (target.h): Include.
1493         (fold_comparison): Fold comparison of addresses of two decls
1494         that bind locally.  Consolidate address folding code.
1495
1496 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1497
1498         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
1499         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
1500         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
1501         dconstsqrt2, dconstthird, dconste and/or dconst10.
1502         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
1503         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
1504         dconstsqrt2, dconste): Delete.
1505         (init_emit_once): Likewise.  Simplify initializing dconstm1.
1506         Constify variable.
1507         * real.c (get_real_const): New.
1508         * real.h (dconst3, dconst10, dconstm2, dconstthird,
1509         dconstsqrt2, dconste): Delete.
1510         (real_value_const, get_real_const): New.
1511
1512 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
1513
1514         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
1515
1516         * config/i386/i386.c (ix86_function_arg_boundary): Check
1517         BIGGEST_ALIGNMENT instead of 128.
1518         (setup_incoming_varargs_64): Likewise.
1519
1520 2008-03-26  Tom Tromey  <tromey@redhat.com>
1521
1522         * Makefile.in (DEPFILES): Add missing '/'.
1523
1524 2008-03-26  Richard Guenther  <rguenther@suse.de>
1525
1526         * fold-const.c (target.h): Include.
1527         (fold_comparison): Fold comparison of addresses of two decls
1528         that bind locally.  Consolidate address folding code.
1529
1530 2008-03-26  Nick Clifton  <nickc@redhat.com>
1531
1532         PR target/31232
1533         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
1534         not allow INT+INT as a legitimate addressing mode.
1535
1536 2008-03-26  Richard Guenther  <rguenther@suse.de>
1537
1538         * tree-flow.h (widen_bitfield): Remove declaration.
1539         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
1540         (widen_bitfield): Remove function.
1541         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
1542         code.
1543
1544 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1545
1546         PR target/31558
1547         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
1548         error_mark_node's.
1549
1550 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1551
1552         PR rtl-optimization/35232
1553         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1554         (forget_old_reloads_1, forget_marked_reloads): Don't clear
1555         reg_reloaded_call_part_clobbered here.
1556         (reload_regs_reach_end_p): New function.
1557         (reload_reg_rtx_for_input): New variable.
1558         (reload_reg_rtx_for_output): Likewise.
1559         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1560         when reassigning a pseudo register.  Load reloadreg from 
1561         reload_reg_rtx_for_input, moving the mode and register
1562         calculation to...
1563         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
1564         instead of the original when deciding whether an input reload
1565         would be a no-op or whether an output reload can be deleted.
1566         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1567         when setting up new_spill_reg_store.  Load it from
1568         reload_reg_rtx_for_output, moving the mode and register
1569         calculation to...
1570         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
1571         instead of the original when deciding whether an output reload
1572         would be a no-op.  Do the same when modifying insn notes.
1573         Use rtx_equal_p instead of == to compare the registers.
1574         (inherit_piecemeal_p): Take a mode and two register numbers
1575         as argument.
1576         (emit_reload_insns): Clear new_spill_reg_store for every hard
1577         register in the reload register.  Remove spill registers
1578         from reg_reloaded_valid before considering whether to record
1579         inheritance information for them.  Use reload_reg_rtx_for_output
1580         instead of reg_rtx when recording output reloads.  Use
1581         reload_reg_rtx_for_input instead of reg_rtx when recording
1582         input reloads.  Set or clear reg_reloaded_call_part_clobbered
1583         at the same time as setting reg_reloaded_valid.
1584         (delete_output_reload): Add a new_reload_reg parameter and use it
1585         instead of rld[j].reg_rtx.
1586         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1587         calls accordingly.
1588
1589 2008-03-25  Tom Tromey  <tromey@redhat.com>
1590
1591         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1592         (build/genattr.o): Likewise.
1593         (build/genattrtab.o): Likewise.
1594         (build/gencodes.o): Likewise.
1595         (build/genconfig.o): Likewise.
1596         (build/genconstants.o): Likewise.
1597         (build/genemit.o): Likewise.
1598         (build/genextract.o): Likewise.
1599         (build/genflags.o): Likewise.
1600
1601 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
1602         
1603         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1604         instead of size_int for integer types.
1605         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
1606         to match type of MINUS_EXPR.
1607         
1608 2008-03-25  Tom Tromey  <tromey@redhat.com>
1609
1610         * configure: Rebuilt.
1611         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1612         Makefile.
1613
1614 2008-03-25  Tom Tromey  <tromey@redhat.com>
1615
1616         * config/x-solaris (host-solaris.o): Update.
1617         * config/x-linux (host-linux.o): Update.
1618         * config/x-hpux (host-hpux.o): Update.
1619         * config/x-darwin (host-darwin.o): Update.
1620         * config/v850/t-v850e (v850-c.o): Update.
1621         * config/v850/t-v850 (v850-c.o): Update.
1622         * config/t-vxworks (vxworks.o): Update.
1623         * config/t-sol2 (sol2-c.o, sol2.o): Update.
1624         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1625         * config/spu/t-spu-elf (spu-c.o): Update.
1626         (spu.o): Remove.
1627         * config/sh/t-symbian (sh-c.o): Update.
1628         (symbian.o): Update.
1629         * config/sh/t-sh (sh-c.o): Update.
1630         * config/score/t-score-elf (score7.o, score3.o): Update.
1631         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1632         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1633         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1634         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1635         (rs6000.o): Remove.
1636         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1637         * config/m32c/t-m32c (m32c-pragma.o): Update.
1638         * config/ia64/t-ia64 (ia64-c.o): Update.
1639         * config/i386/x-mingw32 (host-mingw32.o): Update.
1640         * config/i386/x-i386 (driver-i386.o): Update.
1641         * config/i386/x-darwin (host-i386-darwin.o): Update.
1642         * config/i386/x-cygwin (host-cygwin.o): Update.
1643         * config/i386/t-nwld (nwld.o): Update.
1644         * config/i386/t-netware (netware.o): Update.
1645         * config/i386/t-interix (winnt.o): Update.
1646         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1647         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1648         msformat-c.o): Update.
1649         * config/bfin/t-bfin-linux (generated_files): Add
1650         linux-sysroot-suffix.h.
1651         * config/arm/t-wince-pe (pe.o): Update.
1652         * config/arm/t-strongarm-pe (pe.o): Update.
1653         * config/arm/t-pe (pe.o): Update.
1654         * config/arm/t-arm (arm-c.o): Update.
1655         * doc/install.texi (Prerequisites): Require make 3.80.
1656         * Makefile.in: Remove .o targets.
1657         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1658         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1659         (simple_generated_h, simple_generated_c): Move earlier.
1660         (generated_files): New variable.
1661         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1662         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1663         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1664         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1665         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1666         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1667         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1668         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1669         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1670         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1671         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1672         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1673         (.c.o): Remove.
1674         (COMPILE.base, COMPILE): New variables.
1675         (%.o): New pattern rule.
1676         (ALL_HOST_OBJS): New variable.
1677         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1678         (dummy-checksum.o, cc1-checksum.o): Remove.
1679         (DRIVER_SHLIB): New variable.
1680         (DRIVER_DEFINES): Use it.
1681         (gencondmd.c): Move out of build/.
1682         (s-conditions): Update.
1683         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1684         (ALL_BUILD_OBJS): Likewise.
1685         (build/%.o): Use BUILDCOMPILE.
1686         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1687         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1688         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1689         build/gencheck.o, build/gencodes.o, build/genconditions.o,
1690         build/genconfig.o, build/genconstants.o, build/genemit.o,
1691         build/genextract.o, build/genflags.o, build/genmddeps.o,
1692         build/genopinit.o, build/genoutput.o, build/genpeep.o,
1693         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1694         build/gen-protos.o, build/scan.o, build/fix-header.o,
1695         build/scan-decls.o): Simplify.
1696         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1697         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1698         prefix.o, toplev.o): Reduce to variable setting.
1699         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
1700         ($(out_object_file), gcc-options.o): New targets.
1701         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
1702         * configure: Rebuilt.
1703         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1704         * doc/sourcebuild.texi (Front End Directory): Document new variable.
1705
1706 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
1707
1708         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1709         complain when we hit an error, return ERROR_MARK_NODE.
1710
1711 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1712
1713         * config/sh/constraints.md (Pso, Psz): New constraints.
1714         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1715         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1716
1717 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1718
1719         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1720         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1721
1722 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1723
1724         * config/sh/sh.md (prefetch): Add condition for SH2A target.
1725         (prefetch_sh2a): New.   
1726
1727 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1728             Naveen.H.S  <naveen.hs@kpitcummins.com>
1729
1730         * config/sh/constraints.md (I28): New constraint.
1731         * config/sh/sh.c (broken_move): Add support for movi20s.
1732         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1733
1734 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
1735             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1736             Naveen.H.S  <naveen.hs@kpitcummins.com>
1737
1738         * config/sh/sh.c (SH_ATTRIBUTES): Define.
1739         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1740         (print_operand): Handle resbank in %@ operand code.
1741         (sh_encode_section_info): New.
1742         (push_regs): Add conditions for resbank.
1743         (sh_expand_epilogue): Likewise.
1744         (sh_insert_attributes): Likewise.
1745         (sh_attribute_table): Likewise.
1746         (sh_handle_resbank_handler_attribute): New.
1747         (sh2a_handle_function_vector_handler_attribute): New.
1748         (sh2a_is_function_vector_call): New.
1749         (sh2a_get_function_vector_number): New.
1750         (sh2a_function_vector_p): New.
1751         (sh_cfun_resbank_handler_p): New.
1752         * config/sh/sh.md (calli): Emit jsr/n if possible.
1753         (calli_tbr_rel): New.
1754         (calli_pcrel): Emit jsr/n if possible.
1755         (return_i): Emit rts/n if possible.
1756         (call_valuei_tbr_rel): New.
1757         (call_valuei_pcrel): Add condition for SH2A target.
1758         (call_value): Likewise.
1759         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1760         (sh2a_get_function_vector_number): Likewise.
1761         (sh2a_is_function_vector_call): Likewise.
1762         * doc/extend.texi: Document TBR relative addressing of SH2A.
1763         (resbank): Add description for SH2A.
1764
1765 2008-03-24  Richard Guenther  <rguenther@suse.de>
1766
1767         PR c/22371
1768         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1769         pointer assignments change conversions according to middle-end rules.
1770         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1771         * configure.ac: Include type checking in yes.
1772         * configure: Regenerate.
1773
1774 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1775
1776         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1777         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1778         
1779 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1780
1781         * gthr-vxworks.h (UNUSED): Define.
1782
1783 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1784
1785         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1786
1787 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1788
1789         * doc/extend.texi (Function Attributes): Add missing comma in the
1790         example of the "alloc_size" attribute.
1791         
1792 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1793
1794         Revert:
1795         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1796
1797         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1798         32bit host.
1799
1800         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1801
1802         PR target/35496
1803         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1804         of the underlying type of a MS bitfield layout to the natural
1805         alignment of the type.
1806
1807         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1808
1809         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1810         to their natural alignment to avoid store forwarding stalls.
1811
1812 2008-03-22  Richard Guenther  <rguenther@suse.de>
1813
1814         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1815         For PHI nodes verify the address is invariant.
1816         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1817         (get_symbol_constant_value): Use is_gimple_min_invariant.
1818         (maybe_fold_stmt_indirect): Likewise.
1819
1820 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1821
1822         PR rtl-optimization/33927
1823         * Makefile.in (dse.o): Depend on $(TM_P_H).
1824         * expr.h (extract_low_bits): Declare.
1825         * expmed.c (extract_low_bits): New function.
1826         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1827         * dse.c: Include tm_p.h.
1828         (find_shift_sequence): Remove the read_reg argument and return the
1829         read value.  Emit the instructions instead of returning them.
1830         Iterate on new_mode rather than calculating it each time.
1831         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1832         source to NEW_MODE and extract_low_bits to convert the shifted
1833         value to READ_MODE.
1834         (replace_read): Allow the load and store to have different mode
1835         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1836         or extraction instructions before trying the replacement.  Update
1837         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1838
1839 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1840
1841         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1842         to their natural alignment to avoid store forwarding stalls.
1843
1844 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1845
1846         PR target/27946
1847         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1848         encouraging but not allowing gprs for input;
1849         change the input constraint to !f#r.
1850         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1851         gprs for output;
1852         change the output constraint to !f#r.
1853
1854 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1855
1856         PR target/13958
1857         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1858         corresponding post-reload splitters.
1859         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1860         when x87 FP math is selected.
1861         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1862         New function prototype.
1863         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1864         unreachable function to ease macroization of insn patterns.
1865
1866 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1867
1868         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1869         reference dumps if ddr is NULL or dependence is unknown.
1870
1871 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1872
1873         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1874         unsigned extension into account.
1875         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1876         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1877         Do computations on a scratch register.
1878
1879 2008-03-21  Richard Guenther  <rguenther@suse.de>
1880
1881         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1882         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1883         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1884         * tree-ssa-dom.c (record_equality): Likewise.
1885         * tree-inline.c (copy_body_r): Likewise.
1886         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1887         TREE_INVARIANT.
1888
1889 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1890
1891         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1892         as 'delete_unused' argument.
1893
1894 2008-03-20  Richard Guenther  <rguenther@suse.de>
1895
1896         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1897         special casing of constant qualifiers.
1898         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1899         care about them in general.
1900         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1901         regardless of their type.
1902         (fold_stmt_r): Forcefully fold *& if we end up with that.
1903
1904 2008-03-20  Paul Brook  <paul@codesourcery.com>
1905
1906         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1907         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1908         linker flags.
1909         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1910         definition.
1911         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1912         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1913
1914 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1915
1916         * common.opt (Wmudflap): New option.
1917         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1918         (mx_register_decls): Likewise.
1919         (mudflap_finish_file): Likewise.
1920         * doc/invoke.texi: Document -Wno-mudflap.
1921
1922 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1923
1924         * c-format.c (replace_format_name_to_system_name): New.
1925         (cmp_attribs): New.
1926         (convert_format_name_to_system_name): New.
1927         (decode_format_attr): Add use of convert_format_name_to_system_name.
1928         (format_types_orig): Add gnu_ prefix to names.
1929         (check_format_info_main): Special treating of \0 escaped names for
1930         supporting multi-character format specifiers as I32, I64.
1931         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1932         (gnu_target_overrides_format_attributes): New.
1933         * c-format.h: Add structure target_ovr_attr to hold
1934         system specific formatter names.
1935         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1936         msformat-c.o file to c_target_objs and cxx_target_objs.
1937         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1938         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1939         (TARGET_N_FORMAT_TYPES): New.
1940         * config/i386/msformat-c.c: New.
1941         * config/i386/t-cygming: Add build rule for msformat-c.o.
1942         * doc/extend.texi: Add new format names gnu_* and ms_* and
1943         further details.
1944         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1945
1946 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1947
1948         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1949         optimizations turned on under -O3.
1950         (ftree-vectorize): Add that the flag is turned on with -O3.
1951
1952 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1953
1954         * regmove.c (try_auto_increment): Fix spelling error in comment.
1955         * final.c (final_scan_insn): Likewise.
1956
1957 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1958
1959         PR target/14552
1960         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1961         allocator preferences for "y" and "r" class registers.
1962         ("*mov<mode>_internal"): Ditto.
1963         ("*movv2sf_internal_rex64"): Ditto.
1964         ("*movv2sf_internal"): Ditto.
1965
1966 2008-03-19  Michael Matz  <matz@suse.de>
1967
1968         PR middle-end/35616
1969         * calls.c (expand_call): Check overlap of arguments with call
1970         address for sibcalls.
1971
1972 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1973
1974         PR target/35496
1975         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1976         of the underlying type of a MS bitfield layout to the natural
1977         alignment of the type.
1978
1979 2008-03-19  Jan Hubicka  <jh@suse.cz>
1980
1981         PR other/35094
1982         * toplev.c (decode_d_option): Handle all CPP flags.
1983         * tree-vrp.c: Update tree_pass descriptors.
1984         * regrename.c: Update tree_pass descriptors.
1985         * fwprop.c: Update tree_pass descriptors.
1986         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1987         * tree-into-ssa.c: Update tree_pass descriptors.
1988         * tree-dump.c: Update tree_pass descriptors.
1989         * tree-complex.c: Update tree_pass descriptors.
1990         * tree-dump.h: Update tree_pass descriptors.
1991         * see.c: Update tree_pass descriptors.
1992         * cgraphbuild.c: Update tree_pass descriptors.
1993         * tracer.c: Update tree_pass descriptors.
1994         * tree-loop-distribution.c: Update tree_pass descriptors.
1995         * cgraph.c: Update tree_pass descriptors.
1996         * postreload-gcse.c: Update tree_pass descriptors.
1997         * postreload.c: Update tree_pass descriptors.
1998         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1999         * tree-tailcall.c: Update tree_pass descriptors.
2000         * tree-pass.h (tree_opt_pass): Rename to ...
2001         (opt_pass) ... this one; add "type" field and remove letter field.
2002         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
2003         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
2004         all_lowering_passes): Update declaration.
2005         * ipa-cp.c: Update tree_pass descriptors.
2006         * final.c: Update tree_pass descriptors.
2007         * omp-low.c: Update tree_pass descriptors.
2008         * tree-ssa-dse.c: Update tree_pass descriptors.
2009         * ipa-reference.c: Update tree_pass descriptors.
2010         * tree-ssa-uncprop.c: Update tree_pass descriptors.
2011         * auto-inc-dec.c: Update tree_pass descriptors.
2012         * reorg.c: Update tree_pass descriptors.
2013         * cgraphunit.c: Update tree_pass descriptors.
2014         * tree-ssa-copyrename.c: Update tree_pass descriptors.
2015         * tree-ssa-ccp.c: Update tree_pass descriptors.
2016         * df-core.c: Update tree_pass descriptors.
2017         * mode-switching.c: Update tree_pass descriptors.
2018         * tree-nomudflap.c: Update tree_pass descriptors.
2019         * modulo-sched.c: Update tree_pass descriptors.
2020         * ipa-pure-const.c: Update tree_pass descriptors.
2021         * cse.c: Update tree_pass descriptors.
2022         * web.c: Update tree_pass descriptors.
2023         * tree-stdarg.c: Update tree_pass descriptors.
2024         * tree-ssa-math-opts.c: Update tree_pass descriptors.
2025         * tree-ssa-dom.c: Update tree_pass descriptors.
2026         * tree-nrv.c: Update tree_pass descriptors.
2027         * tree-ssa-alias.c: Update tree_pass descriptors.
2028         * loop-init.c: Update tree_pass descriptors.
2029         * gimple-low.c: Update tree_pass descriptors.
2030         * ipa-inline.c: Update tree_pass descriptors.
2031         * tree-ssa-sink.c: Update tree_pass descriptors.
2032         * global.c: Update tree_pass descriptors.
2033         * ifcvt.c: Update tree_pass descriptors.
2034         * jump.c: Update tree_pass descriptors.
2035         * predict.c: Update tree_pass descriptors.
2036         * tree-ssa-loop.c: Update tree_pass descriptors.
2037         * recog.c: Update tree_pass descriptors.
2038         * dse.c: Update tree_pass descriptors.
2039         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
2040         * tree-eh.c: Update tree_pass descriptors.
2041         * regmove.c: Update tree_pass descriptors.
2042         * local-alloc.c
2043         * function.c: Update tree_pass descriptors.
2044         * tree-vectorizer.c: Update tree_pass descriptors.
2045         * gcse.c: Update tree_pass descriptors.
2046         * ipa-type-escape.c: Update tree_pass descriptors.
2047         * tree-if-conv.c: Update tree_pass descriptors.
2048         * init-regs.c: Update tree_pass descriptors.
2049         * ipa.c: Update tree_pass descriptors.
2050         * tree-ssa-phiopt.c: Update tree_pass descriptors.
2051         * rtl-factoring.c: Update tree_pass descriptors.
2052         * lower-subreg.c: Update tree_pass descriptors.
2053         * bt-load.c: Update tree_pass descriptors.
2054         * tree-dfa.c: Update tree_pass descriptors.
2055         * except.c: Update tree_pass descriptors.
2056         * emit-rtl.c: Update tree_pass descriptors.
2057         * cfgexpand.c: Update tree_pass descriptors.
2058         * tree-cfgcleanup.c: Update tree_pass descriptors.
2059         * cfgcleanup.c: Update tree_pass descriptors.
2060         * tree-ssa-pre.c: Update tree_pass descriptors.
2061         * tree-sra.c: Update tree_pass descriptors.
2062         * tree-mudflap.c: Update tree_pass descriptors.
2063         * tree-ssa-copy.c: Update tree_pass descriptors.
2064         * cfglayout.c: Update tree_pass descriptors.
2065         * tree-ssa-forwprop.c: Update tree_pass descriptors.
2066         * tree-ssa-dce.c: Update tree_pass descriptors.
2067         * tree-ssa.c: Update tree_pass descriptors.
2068         * regclass.c: Update tree_pass descriptors.
2069         * integrate.c: Update tree_pass descriptors.
2070         * tree-optimize.c: Update tree_pass descriptors.
2071         * tree-ssa-phiprop.c: Update tree_pass descriptors.
2072         * tree-object-size.c: Update tree_pass descriptors.
2073         * combine.c: Update tree_pass descriptors.
2074         * tree-outof-ssa.c: Update tree_pass descriptors.
2075         * bb-reorder.c: Update tree_pass descriptors.
2076         * stack-ptr-mod.c: Update tree_pass descriptors.
2077         * var-tracking.c: Update tree_pass descriptors.
2078         * tree-profile.c: Update tree_pass descriptors.
2079         * tree-vect-generic.c: Update tree_pass descriptors.
2080         * reg-stack.c: Update tree_pass descriptors.
2081         * sched-rgn.c: Update tree_pass descriptors.
2082         * tree-ssa-structalias.c: Update tree_pass descriptors.
2083         * tree-cfg.c: Update tree_pass descriptors.
2084         * passes.c (current_pass): Update declaration.
2085         (finish_optimization_passes): Update.
2086         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
2087         (register_one_dump_file, register_dump_files_1, next_pass_1):
2088         Update arguments.
2089         (init_optimization_passes): Update handling of new types.
2090         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
2091         * ipa-struct-reorg.c: Update tree_pass descriptors.
2092         * tree-ssa-reassoc.c: Update tree_pass descriptors.
2093         * combine-stack-adj.c: Update tree_pass descriptors.
2094         * cfgrtl.c: Update tree_pass descriptors.
2095         * dce.c: Update tree_pass descriptors.
2096         * tree-ssanames.c: Update tree_pass descriptors.
2097
2098 2008-03-19  Richard Guenther  <rguenther@suse.de>
2099
2100         PR middle-end/35609
2101         * tree-ssa.c (walk_data): New structure.
2102         (warn_uninitialized_var): If not always_executed warn with "maybe"
2103         instead of "is".
2104         (execute_early_warn_uninitialized): Compute post-dominators.
2105         Initialize always_executed before processing each basic block.
2106
2107 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
2108
2109         PR target/35504
2110         * config/i386/i386.c (x86_this_parameter): Calculate correct location
2111         of "this" pointer when "regparm = N" or "fastcall" is in effect.
2112
2113 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2114
2115         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
2116
2117 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
2118
2119         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
2120         is true.
2121         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
2122         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
2123         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
2124         target after ignore has been set, and move there also the commputation
2125         of subtarget and original_target.
2126         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
2127         (LANG_HOOKS_INITIALIZER): Remove it.
2128         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
2129
2130 2008-03-18  Richard Guenther  <rguenther@suse.de>
2131
2132         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
2133         found an expression with constants, note that in the VN for the lhs.
2134         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
2135         fold them to constants if possible.  Run cleanup_cfg if done so.
2136         (execute_pre): Return todo.
2137         (do_pre): Likewise.
2138         (execute_fre): Likewise.
2139         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
2140         of constants.
2141         (get_prop_source_stmt): Look through pointer conversions.
2142
2143 2008-03-18  Jan Hubicka  <jh@suse.cz>
2144
2145         * tree-pretty-print.c: Include predict.h.
2146         (dump_generic_node): Dump predictor.
2147         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
2148         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
2149         * gimple-low.c (lower_stmt): Likewise.
2150         * expr.c (expand_expr_real): Likewise.
2151         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
2152         them.
2153         (build_predict_expr, build_predict_expr): New.
2154         * predict.h (predictor_name, build_predict_expr): Update.
2155         * c-typeck.c (c_finish_bc_stmt): Add prediction.
2156         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
2157         * predict.def (PRED_CONTINUE): Update hitrate.
2158         * tree.def (PREDICT_EXPR): Define.
2159         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
2160         do not handle BIND_EXPR.
2161         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
2162         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
2163         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
2164         operands.
2165
2166 2008-03-18  Michael Matz  <matz@suse.de>
2167
2168         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
2169
2170 2008-03-18  Richard Guenther  <rguenther@suse.de>
2171
2172         * tree-gimple.h (is_gimple_invariant_address): Declare.
2173         (is_gimple_constant): Likewise.
2174         * tree-gimple.c (is_gimple_constant): New function.
2175         (is_gimple_invariant_address): Likewise.
2176         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
2177         and is_gimple_invariant_address.
2178         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
2179         previous change.
2180         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
2181         an addressable base.
2182
2183 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
2184
2185         PR middle-end/35611
2186         * gimplify.c (gimplify_expr): Gimplify second operand of
2187         OMP_ATOMIC_LOAD.
2188
2189 2008-03-17  Richard Guenther  <rguenther@suse.de>
2190
2191         PR tree-optimization/19637
2192         * fold-const.c (fold_unary): Remove restrictions of removing
2193         intermediate pointer-conversions (P2)(P1)P0.
2194         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
2195         conversion to void pointer.
2196         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
2197
2198 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
2199
2200         PR debug/31510
2201         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
2202         emulated thread local variables.
2203
2204 2008-03-16  Richard Guenther  <rguenther@suse.de>
2205
2206         PR middle-end/35607
2207         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
2208         expand TREE_INVARIANT operations that are not gimple invariant.
2209
2210 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
2211
2212         * doc/extend.texi (Alignment): Say that the ABI controls
2213         the __alignof__ for non-strict-alignment targets rather
2214         than being a recommendation.
2215
2216 2008-03-15  Paul Brook  <paul@codesourcery.com>
2217
2218         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
2219         annotations.
2220         (arm_output_fn_unwind): Mark functions that can not be unwound.
2221
2222 2008-03-15  Paul Brook  <paul@codesourcery.com>
2223
2224         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
2225         extension instructions.
2226
2227 2008-03-15  Richard Guenther  <rguenther@suse.de>
2228
2229         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
2230         and fold constant aggregate refs.
2231         (fold_const_aggregate_ref): Handle string constants
2232         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
2233         (evaluate_stmt): Simplify now that ccp_fold folds constant
2234         aggregate refs.
2235
2236 2008-03-15  Paul Brook  <paul@codesourcery.com>
2237
2238         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
2239         (extzv): Use gen_extzv_t2.
2240         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
2241
2242 2008-03-15  Richard Guenther  <rguenther@suse.de>
2243
2244         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
2245         (fold_const_aggregate_ref): Likewise.
2246         (get_value): Return NULL if we don't have any values.
2247         (ccp_finalize): Set const_val to NULL after freeing it.
2248         * tree-flow.h (get_symbol_constant_value): Declare.
2249         (fold_const_aggregate_ref): Likewise.
2250         * tree-ssa-sccvn.c (try_to_simplify): Use them.
2251
2252 2008-03-15  Richard Guenther  <rguenther@suse.de>
2253
2254         PR middle-end/35593
2255         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
2256         to not produce negative array indices if not allowed.  Add
2257         parameter to indicate that.
2258         (maybe_fold_offset_to_component_ref): Allow negative array
2259         indices only for the first member of a structure.
2260         (maybe_fold_offset_to_reference): Allow negative array indices.
2261         (maybe_fold_stmt_addition): Likewise.
2262
2263 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
2264             Anatoly Sokolov <aesok@post.ru>
2265
2266         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
2267         (avr_arch): Add ARCH_AVR6.
2268         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
2269         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
2270         instead of fixed value 2.
2271         (print_operand_address): Use gs() asm specifier instead of pm().
2272         (avr_assemble_integer): (Ditto.).
2273         (avr_output_addr_vec_elt): (Ditto.).
2274         (print_operand): Handle "!" code.
2275         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
2276         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
2277         (AVR_HAVE_EIJMP_EICALL): Define.
2278         (AVR_3_BYTE_PC): Redefine.
2279         (AVR_2_BYTE_PC): (Ditto.).
2280         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
2281         (LINK_SPEC): Add atmega2560 and atmega2561.
2282         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
2283         (crtm2561.o).
2284         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
2285         for 3 byte PC devices.
2286         (call_value_insn): (Ditto.).
2287         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
2288         (indirect_jump): Use only for for 2 byte PC devices.
2289         (*tablejump): (Ditto.).
2290         (*indirect_jump_avr6): Add insn.
2291         (*tablejump_rjmp): Don't use for 3 byte PC devices.
2292         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
2293         instead of ijmp for 3 byte PC devices.
2294         (__tablejump2__): (Ditto.).
2295         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
2296         (MULITLIB_DIRNAMES): (Ditto.). 
2297         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
2298
2299 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
2300
2301         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
2302         "sse2_umulsidi3".  Use V1DI mode for operand 0.
2303         ("mmx_psadbw"): Use V1DI mode for operand 0.
2304         * config/i386/i386-modes.def (V1SI): New vector mode.
2305         * config/i386/i386.c (struct builtin_description)
2306         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
2307         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
2308         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
2309         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
2310         v1di_ftype_v8qi_v8qi type.
2311         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
2312
2313         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
2314         __builtin_ia32_pmuludq]: Fix the mode of return value.
2315
2316 2008-03-15  Richard Guenther  <rguenther@suse.de>
2317
2318         PR middle-end/35595
2319         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
2320         being a PHI_NODE.
2321
2322 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
2323         
2324         * doc/invoke.texi (Option Summary, Xtensa Options): Document
2325         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
2326         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
2327         unless TARGET_SERIALIZE_VOLATILE is enabled.
2328         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
2329         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
2330         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
2331
2332 2008-03-14  Richard Guenther  <rguenther@suse.de>
2333
2334         PR tree-optimization/34172
2335         * tree-flow.h (refs_may_alias_p): Declare.
2336         (get_single_def_stmt): Likewise.
2337         (get_single_def_stmt_from_phi): Likewise.
2338         (get_single_def_stmt_with_phi): Likewise.
2339         * tree-dfa.c (refs_may_alias_p): New function.
2340         (get_single_def_stmt): Likewise.
2341         (get_single_def_stmt_from_phi): Likewise.
2342         (get_single_def_stmt_with_phi): Likewise.
2343         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
2344         (vn_reference_lookup_1): New helper function.
2345         (vn_reference_lookup): Walk the virtual use-def chain to
2346         continue searching for a match if the def does not alias the
2347         reference we are looking for.
2348
2349 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
2350
2351         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
2352         archive and Perzl.  Update The Written Word listing.
2353
2354 2008-03-14  Richard Guenther  <rguenther@suse.de>
2355
2356         PR tree-optimization/34043
2357         PR tree-optimization/33989
2358         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
2359         when doing FRE.
2360         (bitmap_find_leader): Use extra argument to verify dominance
2361         relationship inside a basic-block.
2362         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
2363         (find_leader_in_sets): Adjust.
2364         (create_component_ref_by_pieces): Take extra argument for
2365         dominance check, handle lookup failures.
2366         (find_or_generate_expression): Likewise.
2367         (create_expression_by_pieces): Likewise.
2368         (insert_into_preds_of_block): Adjust.
2369         (create_value_expr_from): If asked for, verify all operands
2370         are in the blocks AVAIL_OUT set.
2371         (make_values_for_stmt): Check for SSA_NAMEs that are life
2372         over an abnormal edge.
2373         (compute_avail): Remove such check.
2374         (do_SCCVN_insertion): New function.
2375         (eliminate): If we do not find a leader suitable for replacement
2376         insert a replacement expression from SCCVN if available.
2377         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
2378         (struct vn_ssa_aux): Add needs_insertion flag.
2379         * tree-ssa-sccvn.c (may_insert): New global flag.
2380         (copy_reference_ops_from_ref): Value-number union member access
2381         based on its size, not type and member if insertion is allowed.
2382         (visit_reference_op_load): For a weak match from union type
2383         punning lookup a view-converted value and insert a SSA_NAME
2384         for that value if that is not found.
2385         (visit_use): Make dumps shorter.  Do not disallow value numbering
2386         SSA_NAMEs that are life over an abnormal edge to constants.
2387         (free_scc_vn): Release inserted SSA_NAMEs.
2388         (run_scc_vn): New flag to specify whether insertion is allowed.
2389         Process SSA_NAMEs in forward order.
2390         * tree-ssa-loop-im.c (for_each_index): Handle invariant
2391         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
2392         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
2393         pointer type to/from integral types that do not change the
2394         precision to regular conversions.
2395
2396 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
2397
2398         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2399         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2400         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
2401         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
2402         input arguments and the mode of return value.  Built-in functions
2403         that operate on whole 64-bit MMX register now use V1DI mode.
2404
2405 2008-03-13  Alon Dayan  <alond@il.ibm.com>
2406             Olga Golovanevsky  <olga@il.ibm.com>
2407
2408         PR tree-optimization/35041
2409         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
2410         to locate the right position in a statement.
2411
2412 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
2413
2414         PR target/34000
2415         PR target/35553
2416         * config/i386/xmmintrin.h:  Change all static inline functions to
2417         extern inline and add __gnu_inline__ attribute.
2418         * config/i386/bmintrin.h: Ditto.
2419         * config/i386/smmintrin.h: Ditto.
2420         * config/i386/tmmintrin.h: Ditto.
2421         * config/i386/mmintrin-common.h: Ditto.
2422         * config/i386/ammintrin.h: Ditto.
2423         * config/i386/emmintrin.h: Ditto.
2424         * config/i386/pmmintrin.h: Ditto.
2425         * config/i386/mmintrin.h: Ditto.
2426         * config/i386/mm3dnow.h: Ditto.
2427
2428 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
2429
2430         PR middle-end/35185
2431         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
2432         (lower_omp_2): New function.
2433         (lower_omp_1, lower_omp): Rewritten.
2434
2435 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
2436
2437         PR 35054
2438         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
2439         with the phrase "Microsoft Windows compilers".
2440         (Push/Pop Macro Pragmas): New subsection. Document
2441         #pragma push_macro and pragma pop_macro.
2442
2443 2008-03-12  Paul Brook  <paul@codesourcery.com>
2444
2445         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
2446
2447 2008-03-12  Paul Brook  <paul@codesourcery.com>
2448
2449         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
2450         (thumb2_alusi3_short): Exclude PLUS and MINUS.
2451         (thumb2_addsi_shortim): Rename ...
2452         (thumb2_addsi_short): ... to this.  Allow register operands.
2453         (thumb2_subsi_short): New pattern.
2454         (thumb2_one_cmplsi2_short,
2455         thumb2_negsi2_short): New patterns and peepholes.
2456
2457 2008-03-12  Paul Brook  <paul@codesourcery.com>
2458
2459         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
2460
2461 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
2462
2463         * config/i386/i386.md (int_cond): New code iterator.
2464         (fp_cond): Ditto.
2465         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
2466         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
2467         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
2468         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
2469         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
2470         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
2471         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
2472         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
2473
2474 2008-03-12  Paul Brook  <paul@codesourcery.com>
2475
2476         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
2477         instead of {arm,thumb}_compute_save_reg_mask.
2478         (output_return_instruction): Ditto.
2479         (thumb_unexpanded_epilogue): Ditto.
2480         (thumb1_expand_prologue): Ditto.
2481         (thumb1_output_function_prologue): Ditto.
2482         (arm_set_return_address): Ditto.
2483         (thumb_set_return_address): Ditto.
2484         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
2485         regs to achieve stack alignment.
2486         (thumb1_compute_save_reg_mask): Fix compiler warning.
2487         (arm_output_epilogue): Use offsets->saved_regs_mask.
2488         Adjust stack pointer by poping call clobered registers.
2489         (arm_expand_prologue): Use offsets->saved_regs_mask.
2490         Adjust stack pointer by pushing extra registers.
2491         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
2492
2493 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
2494
2495         PR tree-opt/35422
2496         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
2497         conversion to the operands of a multiplication.
2498
2499 2008-03-12  Richard Guenther  <rguenther@suse.de>
2500
2501         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
2502         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
2503         * timevar.def (TV_TREE_PHIPROP): Add.
2504         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
2505         pass description.  Use TV_TREE_PHIPROP.
2506         * tree-ssa-forwprop.c: Remove phiprop code.
2507
2508 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
2509
2510         PR middle-end/35549
2511         * omp-low.c (maybe_lookup_decl): Constify first argument.
2512         (use_pointer_for_field): Change last argument from bool to
2513         omp_context *.  Disallow shared copy-in/out in nested
2514         parallel if decl is shared in outer parallel too.
2515         (build_outer_var_ref, scan_sharing_clauses,
2516         lower_rec_input_clauses, lower_copyprivate_clauses,
2517         lower_send_clauses, lower_send_shared_vars): Adjust callers.
2518
2519 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
2520             Ira Rosen  <irar@il.ibm.com>
2521
2522         * tree-vectorizer.c (free_stmt_vec_info): New function.
2523         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
2524         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
2525         * tree-vectorizer.h (free_stmt_vec_info): Declare.
2526         * tree-vect-transform.c (vectorizable_conversion): Free
2527         vec_oprnds0 if it was allocated.
2528         (vect_permute_store_chain): Remove unused VECs.
2529         (vectorizable_store): Free VECs that are allocated in the..
2530         function.
2531         (vect_transform_strided_load, vectorizable_load): Likewise.
2532         (vect_remove_stores): Simplify the code.
2533         (vect_transform_loop): Move code to vect_remove_stores().
2534         Call vect_remove_stores() and free_stmt_vec_info().
2535
2536 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2537
2538         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
2539         TARGET_HPUX.  Revise comment.
2540         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
2541         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
2542         Use sr4 variant of `be' instruction when not generating PIC code.
2543         (attr_length_call): Adjust for above change.
2544
2545 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2546
2547         * ipa-reference.c (static_execute): Remove module_statics_const and
2548         associated setting code.
2549
2550 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2551
2552         PR target/35540
2553         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2554         predicate for operand 1.
2555         (paritysi2_cmp): Use register_operand predicate for operand 2.
2556         Use earlyclobber modifier for operand 1.  Remove support for
2557         memory operands.
2558         (paritydi2_cmp): Use register_operand predicate for operand 3.
2559         Use earlyclobber modifier for operand 1.  Remove support for
2560         memory operands.
2561
2562 2008-03-11  Paul Brook  <paul@codesourcery.com>
2563             Vladimir Prus  <vladimir@codesourcery.com>
2564
2565         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2566         (arm_compute_save_reg0_reg12_mask): Always
2567         check if register 11 must be saved.  Always safe hard frame pointer
2568         when frame_pointer_needeed.
2569         (arm_compute_save_reg_mask): Save IP and PC
2570         only with apcs frames.
2571         (arm_output_epilogue): Adjust Thumb2 codepath to
2572         be also invoked and work for ARM non-apcs frames.
2573         (arm_expand_prologue): Don't bother saving IP
2574         for non-apcs frame, since it's not clobbered by
2575         prologue code.  Implement non-apcs frame
2576         layout.
2577
2578 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2579
2580         PR rtl-optimization/35281
2581         * expr.c (convert_move): Use a new pseudo for the intermediate
2582         from_mode->word_mode result.
2583
2584 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2585
2586         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2587         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2588         * toplev.c (compile_file): Don't call it.
2589
2590 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2591
2592         PR middle-end/35526
2593         * expr.c (store_expr): Call emit_block_move if the mode
2594         of "temp" RTX is BLKmode.
2595
2596 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2597             Richard Guenther  <rguenther@suse.de>
2598
2599         PR tree-optimization/31358
2600         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2601         the step with a NULL_TREE.
2602         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2603         to sizetype if type is a pointer type.
2604         (add_candidate_1): Don't convert the base and step to
2605         the generic type if the orginal type is a pointer type.
2606         (add_iv_value_candidates): Use sizetype for the step
2607         if type is a pointer type.
2608         (cand_value_at): Likewise.
2609         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2610         for pointer types.
2611         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2612         Don't convert the tem affine to the type.
2613         (add_elt_to_tree): Use sizetype for the step if a pointer.
2614         Use POINTER_PLUS_EXPR for pointers.
2615         (aff_combination_to_tree): Use sizetype for the step if a
2616         pointer.
2617
2618 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
2619
2620         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2621         Remove commutativity hint.
2622
2623 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
2624
2625         PR c/35438
2626         PR c/35439
2627         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2628         errorneous type.  Check that v is a VAR_DECL.
2629
2630         PR middle-end/35099
2631         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2632
2633 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
2634
2635         PR tree-optimization/35494
2636         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2637         may be overriden at link and run time.
2638
2639 2008-03-10  Richard Guenther  <rguenther@suse.de>
2640
2641         PR tree-optimization/34677
2642         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2643         (poolify_tree): Likewise.
2644         (modify_expr_template): Likewise.
2645         (poolify_modify_stmt): Likewise.
2646         (insert_fake_stores): Handle all component-ref style stores
2647         in addition to INDIRECT_REF.  Also handle complex types.
2648         Do not poolify the inserted load.
2649         (realify_fake_stores): Do not rebuild the tree but only
2650         make it a SSA_NAME copy.
2651         (init_pre): Remove initialzation of modify_expr_template.
2652         Do not allocate modify_expr_node_pool.
2653         (fini_pre): Do not free modify_expr_node_pool.
2654
2655 2008-03-10  Paul Brook  <paul@codesourcery.com>
2656
2657         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2658         to avoid conflicts.
2659
2660 2008-03-10  Paul Brook  <paul@codesourcery.com>
2661             Mark Shinwell  <shinwell@codesourcery.com>
2662
2663         * config/arm/cortex-r4.md: New.
2664         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2665         insn attributes.
2666         * config/arm/arm.md: Include cortex-r4.md.
2667         (insn): Add smmls, sdiv and udiv values.
2668         (generic_sched): Don't use generic scheduling for Cortex-R4.
2669         (arm_issue_rate): New function.
2670         (TARGET_SCHED_ISSUE_RATE): Define.
2671
2672 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2673
2674         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2675
2676 2008-03-10  Richard Guenther  <rguenther@suse.de>
2677
2678         * tree-ssa-pre.c (get_sccvn_value): Simplify.
2679         (compute_avail): Do not add stmt uses to AVAIL_OUT.
2680
2681 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
2682
2683         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2684         Set default to true.
2685
2686 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2687
2688         * c.opt (Wsynth): Deprecate.
2689         * doc/invoke.texi (Option Summary, Warning Options): Document
2690         -Wno-format-contains-nul.
2691
2692 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
2693
2694         PR target/35496
2695         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2696         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2697
2698 2008-03-09  Ira Rosen  <irar@il.ibm.com>
2699
2700         * config/rs6000/rs6000.c (builtin_description): Rename vector
2701         left shift operations.
2702         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2703         (altivec_vsl<VI_char>): Rename to ...
2704         (ashl<mode>3): ... new name.
2705         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2706         gen_ashlv4si3.
2707         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2708
2709 2008-03-08  Richard Guenther  <rguenther@suse.de>
2710
2711         * coverage.h (tree_coverage_counter_addr): Declare.
2712         * coverage.c (tree_coverage_counter_addr): New function.
2713         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2714         before using again.
2715         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2716         (tree_gen_one_value_profiler): Likewise.
2717         (tree_gen_ic_profiler): Likewise.
2718         (tree_gen_average_profiler): Likewise.
2719         (tree_gen_ior_profiler): Likewise.
2720
2721 2008-03-08  Richard Guenther  <rguenther@suse.de>
2722
2723         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2724         (vn_binary_op_insert): Likewise.
2725         (vn_unary_op_lookup): Likewise.
2726         (vn_unary_op_insert): Likewise.
2727         (vn_nary_op_lookup): Declare.
2728         (vn_nary_op_insert): Likewise.
2729         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2730         and binary hashes, use a single obstack for unary_op_pool
2731         and binary_op_pool.
2732         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2733         a single struct vn_nary_op_s.  Store tree code length and
2734         a variable number of operands.
2735         (struct vn_reference_op_struct): Remove unused op2.
2736         (vn_reference_op_eq): Do not compare op2.
2737         (vn_reference_op_compute_hash): Do not compute hash of op2.
2738         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2739         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2740         with vn_nary_op_compute_hash.
2741         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2742         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2743         vn_nary_op_lookup.
2744         (vn_unary_op_insert, vn_binary_op_insert): Replace with
2745         vn_nary_op_insert.
2746         (visit_unary_op): Call nary functions.
2747         (visit_binary_op): Likewise.
2748         (process_scc): Adjust for struct vn_tables_s changes.
2749         (allocate_vn_table): Likewise.
2750         (free_vn_table): Likewise.
2751         * tree-vn.c (vn_add): Call nary functions.
2752         (vn_lookup): Likewise.
2753
2754 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2755
2756         PR target/35498
2757         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2758         wdst back after sync_compare_and_swapqhi_internal.
2759
2760 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2761
2762         PR target/22152
2763         * config/i386/i386-modes.def (V1DI): New vector mode.
2764         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2765         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2766         (MMXMODE248): Ditto.
2767         (MMXMODE): Add V1DI mode.
2768         (mmxvecsize): Change DI mode to V1DI mode.
2769         ("mov<mode>): Use MMXMODEI8 mode iterator.
2770         ("*mov<mode>_internal_rex64"): Ditto.
2771         ("*mov<mode>_internal"): Ditto.
2772         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2773         ("mmx_sub<mode>3"): Ditto.
2774         ("mmx_adddi3"): Remove insn pattern.
2775         ("mmx_subdi3"): Ditto.
2776         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2777         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2778         ("mmx_ashl<mode>3"): Ditto.
2779         ("mmx_lshrdi3"): Remove insn pattern.
2780         ("mmx_ashldi3"): Ditto.
2781         * config/i386/i386.c (classify_argument): Handle V1DImode.
2782         (function_arg_advance_32): Ditto.
2783         (function_arg_32): Ditto.
2784         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2785         mmx_addv1di3 insn pattern.
2786         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2787         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2788         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2789         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2790         Remove definitions of built-in functions.
2791         (V1DI_type_node): New node.
2792         (v1di_ftype_v1di_int): Ditto.
2793         (v1di_ftype_v1di_v1di): Ditto.
2794         (v2si_ftype_v2si_si): Ditto.
2795         (v4hi_ftype_v4hi_di): Remove node.
2796         (v2si_ftype_v2si_di): Ditto.
2797         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2798         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2799         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2800         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2801         Add new builtins using def_builtin_const.
2802         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2803         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2804         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2805         * config/i386/mmintrin.h (__v1di): New typedef.
2806         (_mm_add_si64): Cast arguments to __v1di type.
2807         (_mm_sub_si64): Ditto.
2808         (_mm_sll_pi16): Cast __count to __v4hi type.
2809         (_mm_sll_pi32): Cast __count to __v2si type.
2810         (_mm_sll_si64): Cast arguments to __v1di type.
2811         (_mm_srl_pi16): Cast __count to __v4hi type.
2812         (_mm_srl_pi32): Cast __count to __v2si type.
2813         (_mm_srl_si64): Cast arguments to __v1di type.
2814         (_mm_sra_pi16): Cast __count to __v4hi type.
2815         (_mm_sra_pi32): Cast __count to __v2si type.
2816         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2817         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2818         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2819         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2820         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2821         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2822         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2823         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2824         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2825         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2826         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2827         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2828
2829 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2830
2831         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2832
2833 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2834
2835         PR target/35373
2836         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2837         reg+const addressing for Altivec modes.  Don't generate reg+reg
2838         addressing for TFmode or TDmode quantities.
2839
2840 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2841
2842         * c-common.c (vector_types_convertible_p): Call langhook
2843         instead of comptypes.
2844
2845 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2846
2847         PR tree-opt/35402
2848         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2849         integral and scalar float variables which have a
2850         NULL DECL_INITIAL.
2851
2852 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2853
2854         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2855         dwarf_register_span hook when emitting unwind information for
2856         register-to-memory saves.
2857         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2858         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2859
2860 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2861
2862         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2863         for the same VAR_DECL.
2864
2865 2008-03-06  Tom Tromey  <tromey@redhat.com>
2866
2867         * treelang: Delete.
2868         * doc/standards.texi (Standards): Don't mention treelang.
2869         * doc/invoke.texi (Overall Options): Don't mention treelang.
2870         * doc/install.texi (Prerequisites): Don't mention bison or
2871         treelang.
2872         (Configuration): Don't mention treelang.
2873         (Building): Likewise.
2874         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2875
2876 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2877
2878         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2879         word-extractions out of a multi-word object.
2880
2881 2008-03-06  Richard Guenther  <rguenther@suse.de>
2882
2883         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2884         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2885         result type and precision.
2886         * expr.c (get_inner_reference): Set unsignedp based on the result
2887         type of BIT_FIELD_REF.
2888         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2889         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2890         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2891         for BIT_FIELD_REF.
2892         (sra_build_assignment): Likewise.
2893         (sra_build_elt_assignment): Likewise.
2894         (sra_explode_bitfield_assignment): Likewise.
2895         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2896         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2897         set BIT_FIELD_REF_UNSIGNED.
2898         (vectorizable_load): Likewise.
2899
2900 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2901
2902         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2903         at bb start.
2904
2905 2008-03-06  Richard Guenther  <rguenther@suse.de>
2906
2907         * alias.c (struct alias_set_entry): Move has_zero_child field
2908         to pack with alias_set.
2909
2910 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2911
2912         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2913         32bit host.
2914
2915 2008-03-05  Ian Lance Taylor  <iant@google.com>
2916
2917         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2918
2919 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2920
2921         * fwprop.c (update_df): Support width and offset parameters of
2922         df_ref_create.
2923         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2924         global_conflicts): Change DF_REF_EXTRACT to either
2925         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2926         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2927         * df-scan.c (df_ref_record, df_defs_record,
2928         df_ref_create_structure, df_def_record_1, df_uses_record,
2929         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2930         df_bb_refs_collect, df_entry_block_defs_collect,
2931         df_exit_block_uses_collect): Support new width and offset fields.
2932         (ref_extract_pool): New storage pool.
2933         (df_free_ref): New function.
2934         (df_reg_chain_unlink, df_free_collection_rec,
2935         df_sort_and_compress_refs): Call df_free_ref.
2936         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2937         of df_ref_extract.
2938         (df_ref_create_structure): Allocate df_ref_extract if offset and
2939         width fields are used.
2940         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2941         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2942         and SIGN_EXTRACT.
2943         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2944         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2945         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2946         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2947         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2948         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2949         (df_ref_extract): New structure.
2950         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2951         (df_ref_create): Add width and offset parameters.
2952         
2953 2008-03-05  Richard Guenther  <rguenther@suse.de>
2954
2955         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2956         Use ranges_overlap_p.
2957         (offset_overlaps_with_access): Rename
2958         to ranges_overlap_p and move ...
2959         * tree-flow-inline.h (ranges_overlap_p): ... here.
2960
2961         * tree.h (get_inner_reference, handled_component_p): Update
2962         comments.
2963
2964         * tree.h (record_component_aliases, get_alias_set,
2965         alias_sets_conflict_p, alias_sets_must_conflict_p,
2966         objects_must_conflict_p): Move declarations ...
2967         * alias.h (record_component_aliases, get_alias_set,
2968         alias_sets_conflict_p, alias_sets_must_conflict_p,
2969         objects_must_conflict_p): ... here.
2970         Include coretypes.h.
2971         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2972
2973 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2974
2975         * cfg.c: Include tree-flow.h.
2976         (remove_edge_raw): Call redirect_edge_var_map_clear.
2977         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2978         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2979         (redirect_edge_var_map_result): New.
2980         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2981         PENDING_STMT use with redirect_edge_var_map_*.
2982         * tree-ssa.c (edge_var_maps): New definition.
2983         (redirect_edge_var_map_add): New.
2984         (redirect_edge_var_map_clear): New.
2985         (redirect_edge_var_map_dup): New.
2986         (redirect_edge_var_map_vector): New.
2987         (redirect_edge_var_map_destroy): New.
2988         (ssa_redirect_edge): Replace PENDING_STMT use with
2989         redirect_edge_var_map_*.
2990         (flush_pending_stmts): Same.
2991         (delete_tree_ssa): Destroy edge var map.
2992         * tree-flow.h (struct _edge_var_map): New.
2993         Define edge_var_map vector type.
2994         Declare redirect_edge_var_map_* prototypes.
2995         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2996         * tree-cfg.c (reinstall_phi_args): Replace
2997         PENDING_STMT use with redirect_edge_var_map_*.
2998
2999 2008-03-05  Richard Guenther  <rguenther@suse.de>
3000
3001         PR tree-optimization/35472
3002         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
3003         whose single use_stmt has a overlapping set of loaded and
3004         stored symbols as that use_stmt might be a noop assignment then.
3005
3006 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
3007
3008         * gthr-rtems.h: Implement __gthread_mutex_destroy.
3009
3010 2008-03-05  Richard Guenther  <rguenther@suse.de>
3011
3012         PR c++/35336
3013         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
3014         should be constants.
3015         * tree-cfg.c (verify_expr): Verify it.
3016         * fold-const.c (fold_truthop): Remove code generating
3017         BIT_FIELD_REFs of structure bases.
3018         (fold_binary): Likewise.
3019         (fold_ternary): Position and size of BIT_FIELD_REFs are
3020         always host integers.
3021         (make_bit_field_ref): Remove.
3022         (optimize_bit_field_compare): Remove.
3023         (all_ones_mask_p): Remove.
3024
3025 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
3026
3027         PR gcc/33009
3028         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
3029         (split_block_and_df_analyze): New. Split basic block and rebuild
3030         dataflow.
3031         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
3032         SPLIT_BLOCK.
3033         (split_pattern_seq): Likewise.
3034         (erase_matching_seqs): Likewise.
3035         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
3036
3037 2008-03-04  Geoff Keating  <geoffk@apple.com>
3038
3039         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
3040         declaration and code.
3041         (tree_invalid_nonnegative_warnv_p): Likewise.
3042
3043 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
3044
3045         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
3046         examples.  Truncate option-names then causing overfull hbox.
3047
3048 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3049
3050         PR target/35222
3051         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
3052         on hpux10.
3053         * configure: Rebuilt.
3054
3055 2008-03-04  Rafael Espindola  <espindola@google.com>
3056
3057         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
3058         (tree_unary_nonnegative_warnv_p): New.
3059         (tree_binary_nonnegative_warnv_p): New.
3060         (tree_single_nonnegative_warnv_p): New.
3061         (tree_invalid_nonnegative_warnv_p): New.
3062         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
3063
3064 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3065
3066         PR 28322
3067         * opts.c (handle_option): Postpone 'unknown option' errors only for
3068         warning options.
3069
3070 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
3071
3072         PR target/35453
3073         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
3074         (_SIDD_XXX): This.
3075
3076 2008-03-04  Rafael Espindola  <espindola@google.com>
3077
3078         * fold-const.c (tree_unary_nonzero_warnv_p): New.
3079         (tree_binary_nonzero_warnv_p): New.
3080         (tree_single_nonzero_warnv_p): New.
3081         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
3082
3083 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
3084
3085         PR middle-end/35456
3086         * fold-const.c (fold_cond_expr_with_comparison): Prevent
3087         transformations for modes that have signed zeros.
3088         * ifcvt.c (noce_try_abs): Ditto.
3089
3090 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
3091
3092         * config/i386/i386.c (override_options): Force
3093         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
3094
3095 2008-03-04  Jan Hubicka  <jh@suse.cz>
3096
3097         PR c++/35262
3098         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
3099         in last commit.
3100
3101 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
3102
3103         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
3104         label to probe the stack.
3105
3106 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
3107
3108         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
3109         (__gthr_win32_mutex_destroy): Declare.
3110         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
3111         __gthr_win32_mutex_destroy.
3112         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
3113
3114 2008-03-03  Jan Hubicka  <jh@suse.cz>
3115
3116         PR c++/35262
3117         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
3118         aggressive on inlining cold calls.
3119
3120 2008-03-03  Richard Guenther  <rguenther@suse.de>
3121
3122         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
3123         struct copies into the expression table.
3124         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
3125         (try_to_simplify): Likewise.
3126         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
3127         integral and pointer arguments which do not change the
3128         precision to NOP_EXPRs.
3129         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
3130         VIEW_CONVERT_EXPR case.
3131
3132 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3133
3134         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
3135         defined in a loop at depth 0 is invariant.
3136         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3137         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
3138         be called at loop depth 0.
3139
3140 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
3141
3142         PR driver/35420
3143         * gcc.c (process_command): Update copyright notice dates.
3144         * gcov.c (print_version): Likewise.
3145         * gcov-dump.c (print_version): Likewise.
3146         * mips-tfile.c (main): Likewise.
3147         * mips-tdump.c (main): Likewise.
3148
3149 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3150
3151         PR 24924
3152         * c-common.c (flag_permissive): Delete.
3153         (constant_expression_warnings): Check flags first.
3154         (constant_expression_error): New.
3155         * c-common.h (flag_permissive): Delete.
3156         (constant_expression_error): Declare.
3157         * flags.h (flag_permissive): Declare. Update description.
3158         * diagnostic.c (pedwarn): Update.
3159         (permerror): New.
3160         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
3161         (permissive_error_kind): New.
3162         * toplev.c (flag_permissive): Define. Update description.
3163         * toplev.h (permissive_error_kind): Declare.
3164         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
3165         (pedwarn_c90): Use pedantic_warning_kind.
3166         * c-opts.c (c_common_post_options): flag_permissive does not affect
3167         flag_pedantic_errors.
3168
3169 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
3170
3171         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
3172         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
3173         __absvsi2, __absvDI2): Use unsigned arithmetic.
3174
3175 2008-03-02  Andi Kleen  <ak@suse.de>
3176             Richard Guenther  <rguenther@suse.de>
3177
3178         * struct-equiv.c: Remove file.
3179         * cfg_cleanup.c (condjump_equiv_p): Remove.
3180         * Makefile.in (OBJS-common): Remove struct-equiv.o.
3181         (struct-equiv.o): Remove rule.
3182         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
3183         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
3184         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
3185
3186 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
3187
3188         * ifcvt.c (noce_process_if_block): Try to handle only the then
3189         block if the else block exists but isn't suitable.
3190
3191 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
3192
3193         PR gcc/35063
3194         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
3195         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
3196         regression from previous patch.
3197
3198 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
3199
3200         PR gcc/35063
3201         * gthr.h: Add __gthread_mutex_destroy as a function that must be
3202         implemented.
3203         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
3204         * gthr-single.h (__gthread_mutex_destroy): Likewise.
3205         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
3206         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
3207         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
3208         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
3209         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
3210         (__gthread_mutex_destroy_function): Rename to
3211         __gthread_mutex_destroy.
3212         * gthr-dce.h (__gthread_mutex_destroy): Call
3213         pthread_mutex_destroy.
3214         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
3215         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
3216         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
3217
3218 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
3219
3220         * df-scan.c (df_ref_chain_change_bb): Simplify.
3221         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
3222         set_block_for_insn if there's any change.
3223         * df.h ((df_insn_change_bb): Fix prototype.
3224         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
3225         df_insn_change_bb, don't call set_block_for_insn.
3226         * emit-rtl.c (reorder_insns): Likewise.
3227         * haifa-sched.c (move_insn): Likewise.
3228
3229 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
3230
3231         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
3232
3233 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
3234
3235         * tree-flow-inline.h (next_readonly_imm_use): Return
3236         NULL_USE_OPERAND_P after the end.
3237
3238 2008-03-01  Richard Guenther  <rguenther@suse.de>
3239
3240         PR tree-optimization/35411
3241         * tree-sra.c (sra_build_assignment): Split conversion to
3242         final type to a separate statement if we are not assigning
3243         to a register.
3244
3245 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3246
3247         * fold-const.c (fold_convertible_p): Correct the logic to follow
3248         that in fold_convert().
3249
3250 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
3251
3252         PR c++/35315
3253         * tree-inline.c (build_duplicate_type): When we make a
3254         duplicate type, make it unique in the canonical types system.
3255
3256 2008-02-29  Tom Tromey  <tromey@redhat.com>
3257
3258         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
3259         input_file_stack_history, input_file_stack_restored): Remove.
3260         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3261         * input.h (struct file_stack): Remove.
3262         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3263         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
3264         Likewise.
3265         * diagnostic.h (struct diagnostic_context) <last_module>: Change
3266         type.
3267         (diagnostic_last_module_changed): Add 'map' argument.
3268         (diagnostic_set_last_function): Likewise.
3269         * diagnostic.c (undiagnostic_report_current_module): Iterate using
3270         line map, not input_file_stack.
3271         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
3272
3273 2008-02-29  Paul Brook  <paul@codesourcery.com>
3274
3275         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
3276
3277 2008-02-29  Paul Brook  <paul@codesourcery.com>
3278
3279         * config/arm/ieee754-df.S (muldf3): Use RET macros.
3280
3281 2008-02-29  Richard Guenther  <rguenther@suse.de>
3282
3283         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
3284         vn_lookup_or_add.
3285         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
3286         value for comparing for a store match.
3287         (simplify_unary_expression): Do nothing for SSA_NAMEs.
3288         (try_to_simplify): Do not do a full-blown reference lookup.
3289
3290 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
3291
3292         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
3293         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3294
3295         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
3296
3297 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
3298
3299         * tree-loop-linear.c (try_interchange_loops): Compare memory access
3300         strides against cache sizes.
3301
3302 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
3303
3304         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
3305         constant to fpul.
3306
3307 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
3308
3309         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
3310         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
3311         is smaller than the original promoted value.
3312         (simplify_subreg): If OP is a SUBREG, try to preserve its
3313         SUBREG_PROMOTED_VAR_P information.
3314
3315 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
3316
3317         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
3318         (VN_INFO_GET): Allocate new objects on the obstack.
3319         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
3320         for rpo_numbers_temp, for consistency.
3321         (free_scc_vn): Free the obstack.
3322
3323 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
3324
3325         * doc/invoke.texi: Document -ftree-loop-distribution.
3326         * tree-loop-distribution.c: New.
3327         * tree-pass.h (pass_loop_distribution): New.
3328         * graphds.h (struct graph): Add htab_t indices.
3329         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
3330         * tree-vectorizer.c (rename_variables_in_loop): Extern.
3331         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
3332         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
3333         * tree-data-ref.c (debug_data_dependence_relations): New.
3334         (dump_data_dependence_relation): Also print data references.
3335         (free_data_ref): Extern.
3336         (same_access_functions): Moved...
3337         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
3338         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3339         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
3340         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
3341         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
3342         (stmts_from_loop): Skip LABEL_EXPR.
3343         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
3344         New.
3345         (build_rdg): Initialize rdg->indices htab.
3346         (free_rdg, stores_from_loop, ref_base_address,
3347         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
3348         have_similar_memory_accesses_1, ref_base_address_1,
3349         remove_similar_memory_refs): New.
3350         * tree-data-ref.h: Depend on tree-chrec.h.
3351         (debug_data_dependence_relations, free_data_ref): Declared.
3352         (same_access_functions): ... here.
3353         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
3354         New.
3355         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
3356         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
3357         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
3358         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3359         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
3360         rdg_vertex_for_stmt): Declared.
3361         (struct rdg_edge): Add level.
3362         (RDGE_LEVEL): New.
3363         (free_rdg, stores_from_loop, remove_similar_memory_refs,
3364         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
3365         Declared.
3366         (rdg_has_similar_memory_accesses): New.
3367         * tree-vect-analyze.c: Remove unused static decls.
3368         * lambda.h (dependence_level): New.
3369         * common.opt (ftree-loop-distribution): New.
3370         * tree-flow.h (mark_virtual_ops_in_bb, 
3371         slpeel_tree_duplicate_loop_to_edge_cfg,
3372         rename_variables_in_loop): Declared.
3373         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
3374         (OBJS-common): Add tree-loop-distribution.o.
3375         (tree-loop-distribution.o): New rule.
3376         * tree-cfg.c (mark_virtual_ops_in_bb): New.
3377         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
3378         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
3379
3380 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
3381
3382         PR target/33963
3383         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
3384         other than structures and unions.
3385
3386 2008-02-28  Richard Guenther  <rguenther@suse.de>
3387
3388         Revert:
3389         2008-02-26  Richard Guenther  <rguenther@suse.de>
3390
3391         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3392         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3393         (lookup_decl_from_uid): Declare.
3394         (remove_decl_from_map): Likewise.
3395         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3396         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3397         (decl_for_uid_map): New global hashtable mapping DECL_UID
3398         to the decl tree.
3399         (init_ttree): Allocate it.
3400         (insert_decl_to_uid_decl_map): New helper function.
3401         (make_node_stat): Insert new decls into the map.
3402         (copy_node_stat): Likewise.
3403         (lookup_decl_from_uid): New function.
3404         (remove_decl_from_map): Likewise.
3405         (print_decl_for_uid_map_statistics): New helper.
3406         (dump_tree_statistics): Call it.
3407
3408         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3409         (referenced_var_iterator): Adjust.
3410         (FOR_EACH_REFERENCED_VAR): Adjust.
3411         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3412         (num_referenced_vars): Adjust.
3413         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3414         (first_referenced_var): Remove.
3415         (end_referenced_vars_p): Likewise.
3416         (next_referenced_var): Likewise.
3417         (referenced_var_iterator_set): New helper function.
3418         * tree-dfa.c (referenced_var_lookup): Adjust.
3419         (referenced_var_check_and_insert): Likewise.
3420         (remove_referenced_var): Likewise.
3421         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3422         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3423         (verify_call_clobbering): Likewise.
3424         (verify_memory_partitions): Likewise.
3425         (init_tree_ssa): Allocate bitmap instead of hashtable for
3426         referenced_vars.
3427         (delete_tree_ssa): Adjust.
3428         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3429         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3430         (compute_tag_properties): Likewise.
3431         (set_initial_properties): Likewise.
3432         (find_partition_for): Likewise.
3433         (update_reference_counts): Likewise.
3434         (dump_may_aliases_for): Likewise.
3435         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3436         (add_call_clobber_ops): Likewise.
3437         (add_call_read_ops): Likewise.
3438         (get_asm_expr_operands): Likewise.
3439         * tree-into-ssa.c (dump_decl_set): Likewise.
3440         (update_ssa): Likewise.
3441         * tree-sra.c (scan_function): Likewise.
3442         (decide_instantiations): Likewise.
3443         (scalarize_parms): Likewise.
3444         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3445         (dsa_named_for): Likewise.
3446         * tree-ssa-structalias.c (update_alias_info): Likewise.
3447         (merge_smts_into): Likewise.
3448
3449 2008-02-27  David Daney  <ddaney@avtrex.com>
3450
3451         PR target/34409
3452         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
3453         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
3454         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
3455         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
3456         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
3457
3458 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
3459
3460         PR target/25477
3461         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
3462         (BUILT_IN_NEXTTOWARD): Remove.
3463         (BUILT_IN_NEXTTOWARDF): Ditto.
3464         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
3465         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
3466
3467 2008-02-27  Tom Tromey  <tromey@redhat.com>
3468
3469         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
3470         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
3471
3472 2008-02-27  Jan Beulich  <jbeulich@novell.com>
3473
3474         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
3475         update the respective field on newdecl.
3476
3477 2008-02-27  Revital Eres  <eres@il.ibm.com>
3478
3479         PR rtl-optimization/34999
3480         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
3481         crossing edges that ends with a call insn.
3482         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
3483         call insn and clear the EDGE_CROSSING flag of the crossing edge
3484         when fixing fallthru edges.
3485
3486 2008-02-27  Richard Guenther  <rguenther@suse.de>
3487
3488         PR middle-end/35390
3489         * fold-const.c (fold_unary): Return the correct argument,
3490         converted to the result type.
3491
3492 2008-02-27  Richard Guenther  <rguenther@suse.de>
3493
3494         PR middle-end/34971
3495         * expr.c (expand_expr_real_1): Assert on rotates that operate
3496         on partial modes.
3497         * fold-const.c (fold_binary): Use the types precision, not the
3498         bitsize of the mode if folding rotate expressions.  Build rotates
3499         only for full modes.
3500
3501 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
3502
3503         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
3504         and CPP_PRAGMA_EOL.
3505         * c-pragma.c (pragma_ns_name): New typedef.
3506         (registered_pp_pragmas): New variable.
3507         (c_pp_lookup_pragma): New function.
3508         (c_register_pragma_1): If flag_preprocess_only, do nothing
3509         for non-expanded pragmas, for expanded ones push pragma's
3510         namespace and name into registered_pp_pragmas vector.
3511         (c_invoke_pragma_handler): Register OpenMP pragmas even when
3512         flag_preprocess_only, don't register GCC pch_preprocess
3513         pragma if flag_preprocess_only.
3514         * c-opts.c (c_common_init): Call init_pragma even if
3515         flag_preprocess_only.
3516         * c-pragma.c (c_pp_lookup_pragma): New prototype.
3517         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
3518         cpp_register_pragma if flag_preprocess_only.
3519
3520 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3521
3522         PR c/28800
3523         * c-parser.c (c_parser_translation_unit): Warn for empty
3524         translation unit, not empty source file.
3525
3526 2008-02-26  Paul Brook  <paul@codesourcery.com>
3527
3528         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
3529         operand for Thumb-2.
3530         * config/arm/arm.h (reg_class): Add CORE_REGS.
3531         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
3532         (BASE_REG_CLASS): Use CORE_REGS.
3533         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
3534         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
3535         (REGNO_OK_FOR_INDEX_P): Exclude SP.
3536         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
3537         ARM_REGNO_OK_FOR_INDEX_P.
3538         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
3539         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
3540         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
3541         (ldm/stm peepholes): Ditto.
3542         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
3543         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
3544         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
3545         * config/arm/constraints.md: Enable "k" constraint on ARM.
3546
3547 2008-02-27  Ben Elliston  <bje@au.ibm.com>
3548
3549         * config/rs6000/rs6000.c: Annotate cache line size field in all
3550         instances of struct processor_costs.
3551
3552 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
3553
3554         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3555         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3556         jump_bypass): New counters.
3557         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3558         * dce.c (gate_ud_dce): Same.
3559         (gate_fast_dce): Same.
3560         * dse.c (gate_dse1): New function.
3561         (gate_dse2): New function.
3562         (gate_dse): Merge results of new gate functions.
3563         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3564         (gate_handle_jump_bypass): Add dbg_cnt.
3565         (gate_handle_gcse): Add dbg_cnt.
3566         * ifcvt.c (gate_handle_if_conversion): Same.
3567         (gate_handle_if_after_combine): Same.
3568         (gate_handle_if_after_reload): Same.
3569         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3570
3571 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
3572
3573         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3574         line sizes.
3575         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3576
3577 2008-02-26  Jason Merrill  <jason@redhat.com>
3578
3579         PR c++/35315
3580         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
3581         alone if it's the naming decl for the type's main variant.
3582
3583 2008-02-26  Tom Tromey  <tromey@redhat.com>
3584
3585         * system.h (USE_MAPPED_LOCATION): Poison.
3586         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3587         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3588         (make_goto_expr_edges): Likewise.
3589         (remove_bb): Likewise.
3590         (execute_warn_function_return): Likewise.
3591         * basic-block.h (struct edge_def) <goto_locus>: Change type to
3592         location_t.
3593         * c-common.c (fname_decl): Remove old location code.
3594         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3595         location code.
3596         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3597         variant.
3598         (ASM_INPUT_SOURCE_LOCATION): Likewise.
3599         (gen_rtx_ASM_INPUT): Likewise.
3600         (gen_rtx_ASM_INPUT_loc): Likewise.
3601         (get_rtx_asm_OPERANDS): Remove.
3602         * cfglayout.c (insn_locators_alloc): Remove old location code.
3603         (set_curr_insn_source_location): Likewise.
3604         (curr_insn_locator): Likewise.
3605         * print-tree.c (print_node): Remove old location code.
3606         * tree-mudflap.c (mf_varname_tree): Remove old location code.
3607         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3608         * cfgexpand.c (expand_gimple_cond_expr): Don't use
3609         location_from_locus.
3610         (construct_exit_block): Remove old location code.
3611         * emit-rtl.c (force_next_line_note): Remove old location code.
3612         * profile.c (branch_prob): Remove old location code.
3613         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3614         LOC_LINE): Remove old-location variants.
3615         * langhooks.c (lhd_print_error_function): Remove old location
3616         code.
3617         * configure, config.in: Rebuilt.
3618         * configure.ac (--enable-mapped-location): Remove.
3619         * c-decl.c (c_init_decl_processing): Remove old location code.
3620         (finish_function): Likewise.
3621         * recog.c (decode_asm_operands): Remove old location code.
3622         * c-pch.c (c_common_read_pch): Remove old location code.
3623         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3624         variants.
3625         * gimple-low.c (lower_function_body): Remove old location code.
3626         * toplev.c (unknown_location): Remove.
3627         (push_srcloc): Remove old-location variant.
3628         (process_options): Remove old location code.
3629         (lang_dependent_init): Likewise.
3630         * input.h (UNKNOWN_LOCATION): Move definition.
3631         (location_t): Undeprecate.
3632         (source_locus): Remove.
3633         (location_from_locus): Remove.
3634         (struct location_s): Remove.
3635         Remove all old-location code.
3636         (input_line, input_filename): Remove.
3637         * final.c (final_scan_insn): Remove old location code.
3638         * diagnostic.c (diagnostic_build_prefix): Remove
3639         USE_MAPPED_LOCATION test.
3640         * tree.h (gimple_stmt) <locus>: Now a location_t.
3641         (tree_exp) <locus>: Likewise.
3642         (DECL_IS_BUILTIN): Remove old-location variant.
3643         (annotate_with_file_line, annotate_with_locus): Likewise.
3644         (expr_locus, set_expr_locus): Update.
3645         * tree.c (build1_stat): Remove old location code.
3646         (last_annotated_node): Remove.
3647         (annotate_with_file_line): Remove old-location variant.
3648         (annotate_with_locus): Likewise.
3649         (expr_location): Remove old location code.
3650         (set_expr_location): Likewise.
3651         (expr_has_location): Likewise.
3652         (expr_locus): Likewise.
3653         (set_expr_locus): Likewise.
3654         (expr_filename): Don't use location_from_locus.
3655         (expr_lineno): Likewise.
3656         * rtl-error.c (location_for_asm): Remove old location code.
3657         * c-lex.c (cb_line_change): Remove old location code.
3658         (fe_file_change): Likewise.
3659         (cb_def_pragma): Likewise.
3660         (c_lex_with_flags): Likewise.
3661         * gengtype.c (do_typedef): Don't special-case location types.
3662         (define_location_structures): Remove.
3663         (main): Don't call define_location_structures.
3664         * tree-pretty-print.c (dump_implicit_edges): Remove old location
3665         code.
3666
3667 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3668
3669         PR 26264
3670         * builtins.def (BUILT_IN_STDARG_START): Remove.
3671         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3672         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3673         * tree-inline.c (inline_forbidden_p_1): Likewise.
3674         
3675 2008-02-26  Richard Guenther  <rguenther@suse.de>
3676
3677         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3678         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3679         (lookup_decl_from_uid): Declare.
3680         (remove_decl_from_map): Likewise.
3681         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3682         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3683         (decl_for_uid_map): New global hashtable mapping DECL_UID
3684         to the decl tree.
3685         (init_ttree): Allocate it.
3686         (insert_decl_to_uid_decl_map): New helper function.
3687         (make_node_stat): Insert new decls into the map.
3688         (copy_node_stat): Likewise.
3689         (lookup_decl_from_uid): New function.
3690         (remove_decl_from_map): Likewise.
3691         (print_decl_for_uid_map_statistics): New helper.
3692         (dump_tree_statistics): Call it.
3693
3694         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3695         (referenced_var_iterator): Adjust.
3696         (FOR_EACH_REFERENCED_VAR): Adjust.
3697         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3698         (num_referenced_vars): Adjust.
3699         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3700         (first_referenced_var): Remove.
3701         (end_referenced_vars_p): Likewise.
3702         (next_referenced_var): Likewise.
3703         (referenced_var_iterator_set): New helper function.
3704         * tree-dfa.c (referenced_var_lookup): Adjust.
3705         (referenced_var_check_and_insert): Likewise.
3706         (remove_referenced_var): Likewise.
3707         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3708         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3709         (verify_call_clobbering): Likewise.
3710         (verify_memory_partitions): Likewise.
3711         (init_tree_ssa): Allocate bitmap instead of hashtable for
3712         referenced_vars.
3713         (delete_tree_ssa): Adjust.
3714         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3715         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3716         (compute_tag_properties): Likewise.
3717         (set_initial_properties): Likewise.
3718         (find_partition_for): Likewise.
3719         (update_reference_counts): Likewise.
3720         (dump_may_aliases_for): Likewise.
3721         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3722         (add_call_clobber_ops): Likewise.
3723         (add_call_read_ops): Likewise.
3724         (get_asm_expr_operands): Likewise.
3725         * tree-into-ssa.c (dump_decl_set): Likewise.
3726         (update_ssa): Likewise.
3727         * tree-sra.c (scan_function): Likewise.
3728         (decide_instantiations): Likewise.
3729         (scalarize_parms): Likewise.
3730         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3731         (dsa_named_for): Likewise.
3732         * tree-ssa-structalias.c (update_alias_info): Likewise.
3733         (merge_smts_into): Likewise.
3734
3735 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3736
3737         PR 34351
3738         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3739         * c-opts.c (c_common_handle_option): Wall enables
3740         Wvolatile-register-var.
3741         * common.opt: Move Wvolatile-register-var to...
3742         * c.opt: ...here.
3743         
3744 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3745
3746         * common.opt (Wlarger-than=): New.
3747         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3748         -Wlarger-than=.
3749         * opts.c (common_handle_option): Handle -Wlarger-than=.
3750         * optc-gen.awk: Likewise.
3751         * opth-gen.awk: Likewise.
3752         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3753         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3754         
3755 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3756
3757         * c-common.c (match_case_to_enum_1): Add appropriate
3758         OPT_W* parameter to warning.
3759         (c_do_switch_warnings): Likewise.
3760         * c-typeck.c (warning_init): Add one more parameter following
3761         'warning' function.
3762         (push_init_level): Update call to warning_init.
3763         (pop_init_level): Likewise.
3764         (add_pending_init): Likewise.
3765         (output_init_element: Likewise.
3766
3767 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3768
3769         PR 28322
3770         * toplev.c (toplev_main): If there are warnings or error, print
3771         errors for ignored options.
3772         * opts.c (ignored_options): New static variable.
3773         (postpone_unknown_option_error): New.
3774         (print_ignored_options): New.
3775         (handle_option): Postpone errors for unknown -Wno-* options.
3776         * opts.h (print_ignored_options): Declare.
3777         
3778 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
3779
3780         * config/mips/mips.md (loadgp_blockage, blockage): Change type
3781         to "ghost".
3782
3783 2008-02-25  Richard Guenther  <rguenther@suse.de>
3784
3785         Revert:
3786         2008-02-25  Richard Guenther  <rguenther@suse.de>
3787
3788         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3789         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3790         (lookup_decl_from_uid): Declare.
3791         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3792         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3793         (decl_for_uid_map): New global hashtable mapping DECL_UID
3794         to the decl tree.
3795         (init_ttree): Allocate it.
3796         (insert_decl_to_uid_decl_map): New helper function.
3797         (make_node_stat): Insert new decls into the map.
3798         (copy_node_stat): Likewise.
3799         (lookup_decl_from_uid): New function.
3800         (print_decl_for_uid_map_statistics): New helper.
3801         (dump_tree_statistics): Call it.
3802
3803         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3804         (referenced_var_iterator): Adjust.
3805         (FOR_EACH_REFERENCED_VAR): Adjust.
3806         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3807         (num_referenced_vars): Adjust.
3808         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3809         (first_referenced_var): Remove.
3810         (end_referenced_vars_p): Likewise.
3811         (next_referenced_var): Likewise.
3812         (referenced_var_iterator_set): New helper function.
3813         * tree-dfa.c (referenced_var_lookup): Adjust.
3814         (referenced_var_check_and_insert): Likewise.
3815         (remove_referenced_var): Likewise.
3816         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3817         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3818         (verify_call_clobbering): Likewise.
3819         (verify_memory_partitions): Likewise.
3820         (init_tree_ssa): Allocate bitmap instead of hashtable for
3821         referenced_vars.
3822         (delete_tree_ssa): Adjust.
3823         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3824         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3825         (compute_tag_properties): Likewise.
3826         (set_initial_properties): Likewise.
3827         (find_partition_for): Likewise.
3828         (update_reference_counts): Likewise.
3829         (dump_may_aliases_for): Likewise.
3830         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3831         (add_call_clobber_ops): Likewise.
3832         (add_call_read_ops): Likewise.
3833         (get_asm_expr_operands): Likewise.
3834         * tree-into-ssa.c (dump_decl_set): Likewise.
3835         (update_ssa): Likewise.
3836         * tree-sra.c (scan_function): Likewise.
3837         (decide_instantiations): Likewise.
3838         (scalarize_parms): Likewise.
3839         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3840         (dsa_named_for): Likewise.
3841         * tree-ssa-structalias.c (update_alias_info): Likewise.
3842         (merge_smts_into): Likewise.
3843
3844 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3845
3846         PR fortran/29549
3847         * doc/invoke.texi (-fcx-limited-range): Document new option.
3848         * toplev.c (process_options): Handle -fcx-fortran-rules.
3849         * common.opt: Add documentation for -fcx-fortran-rules.
3850
3851 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3852
3853         PR c/35162
3854         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3855         actual behaviour and C99.
3856         
3857 2008-02-26  Ben Elliston  <bje@au.ibm.com>
3858
3859         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3860         (ASM_CPU_POWER6_SPEC): Likewise.
3861         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3862         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3863         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3864
3865 2008-02-25  Richard Guenther  <rguenther@suse.de>
3866
3867         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3868         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3869         (lookup_decl_from_uid): Declare.
3870         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3871         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3872         (decl_for_uid_map): New global hashtable mapping DECL_UID
3873         to the decl tree.
3874         (init_ttree): Allocate it.
3875         (insert_decl_to_uid_decl_map): New helper function.
3876         (make_node_stat): Insert new decls into the map.
3877         (copy_node_stat): Likewise.
3878         (lookup_decl_from_uid): New function.
3879         (print_decl_for_uid_map_statistics): New helper.
3880         (dump_tree_statistics): Call it.
3881
3882         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3883         (referenced_var_iterator): Adjust.
3884         (FOR_EACH_REFERENCED_VAR): Adjust.
3885         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3886         (num_referenced_vars): Adjust.
3887         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3888         (first_referenced_var): Remove.
3889         (end_referenced_vars_p): Likewise.
3890         (next_referenced_var): Likewise.
3891         (referenced_var_iterator_set): New helper function.
3892         * tree-dfa.c (referenced_var_lookup): Adjust.
3893         (referenced_var_check_and_insert): Likewise.
3894         (remove_referenced_var): Likewise.
3895         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3896         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3897         (verify_call_clobbering): Likewise.
3898         (verify_memory_partitions): Likewise.
3899         (init_tree_ssa): Allocate bitmap instead of hashtable for
3900         referenced_vars.
3901         (delete_tree_ssa): Adjust.
3902         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3903         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3904         (compute_tag_properties): Likewise.
3905         (set_initial_properties): Likewise.
3906         (find_partition_for): Likewise.
3907         (update_reference_counts): Likewise.
3908         (dump_may_aliases_for): Likewise.
3909         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3910         (add_call_clobber_ops): Likewise.
3911         (add_call_read_ops): Likewise.
3912         (get_asm_expr_operands): Likewise.
3913         * tree-into-ssa.c (dump_decl_set): Likewise.
3914         (update_ssa): Likewise.
3915         * tree-sra.c (scan_function): Likewise.
3916         (decide_instantiations): Likewise.
3917         (scalarize_parms): Likewise.
3918         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3919         (dsa_named_for): Likewise.
3920         * tree-ssa-structalias.c (update_alias_info): Likewise.
3921         (merge_smts_into): Likewise.
3922
3923 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3924
3925         PR target/35258
3926         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3927         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3928         * alias.h (nonoverlapping_memrefs_p): Likewise.
3929
3930 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3931
3932         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3933         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3934         __emultls_get_address, __emultls_register_common,
3935         __floatundi?f, and _Unwind_GetIPInfo.
3936         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3937         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3938         (gen_regparm_prefix): Likewise.
3939         (i386_nlm_encode_section_info): Sync with
3940         config/i386/winnt.c:i386_pe_encode_section_info().
3941         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3942         i386_nlm_mangle_decl_assembler_name): New.
3943         (netware_override_options): New.
3944         * config/i386/netware.h (netware_override_options): Declare.
3945         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3946         (i386_nlm_mangle_decl_assembler_name): Declare.
3947         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3948
3949 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3950
3951         PR other/32948
3952         * c-decl.c (grokdeclarator): Remove unused local variables
3953         `typedef_type' and `type_as_written'.
3954         * bb-reorder.c
3955         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3956         unused local variable `has_hot_blocks'.
3957         (fix_crossing_conditional_branches): Remove unused local variable
3958         `prev_bb'.
3959         
3960 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3961
3962         PR middle-end/19984
3963         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3964         using DEF_C99_BUILTIN.
3965         (BUILT_IN_NANF): Ditto.
3966         (BUILT_IN_NANL): Ditto.
3967
3968 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3969             Revital Eres  <eres@il.ibm.com>
3970
3971         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3972         regarding the order of two dependent insns in the same row.
3973
3974 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3975
3976         * stor-layout.c (layout_decl): Do not bump the alignment of a
3977         bit-field to more than byte alignment if it is packed.
3978
3979 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3980
3981         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3982         e300c2 and e300c3.
3983
3984 2008-02-24  Diego Novillo  <dnovillo@google.com>
3985
3986         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3987
3988         PR 33738
3989         * tree-vrp.c (vrp_evaluate_conditional): With
3990         -Wtype-limits, emit a warning when comparing against a
3991         constant outside the