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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
2
3         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
4         and tem2 if tem1 is not a REG or MULT.
5
6 2008-04-08  Jan Hubicka  <jh@suse.cz>
7
8         * function.h (incomming_args): Break out of struct function.
9         (function_subsections): Break out of struct function.
10         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
11         return_rtx and hard_reg_initial_vals from struct function.
12         Kill inl_max_label_num.
13         (current_function_pops_args, current_function_args_info,
14         current_function_args_size, current_function_args_size,
15         current_function_pretend_args_size,
16         current_function_outgoing_args_size,
17         current_function_internal_arg_pointer, current_function_return_rtx):
18         Kill compatibility accestor macros.
19         * builtins.c (expand_builtin_apply_args_1): Update.
20         (expand_builtin_next_arg): Update.
21         * df-scan.c (df_get_call_refs): Update.
22         * dbxout.c (dbxout_function_end): Update.
23         * dwarf2out.c (dwarf2out_switch_text_section): Update.
24         (output_line_info): Update.
25         (secname_for_decl): Update.
26         (dwarf2out_var_location): Update.
27         * function.c (free_after_compilation): Update.
28         (assign_parm_find_stack_rtl): Update.
29         (assign_parms): Update.
30         (expand_dummy_function_end): Update.
31         (expand_function_end): Update.
32         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
33         (expand_call): Update.
34         (emit_library_call_value_1): Update.
35         (store_one_arg): Update.
36         * varasm.c (initialize_cold_section_name): Update.
37         (unlikely_text_section): Update.
38         (unlikely_text_section_p): Update.
39         (assemble_start_function): Update.
40         (assemble_end_function): Update.
41         (default_section_type_flags): Update.
42         (switch_to_section): Update.
43         * integrate.c (set_decl_abstract_flags): Update.
44         (get_hard_reg_initial_val): Update.
45         (has_hard_reg_initial_val): Update.
46         (allocate_initial_values): Update.
47         * resource.c (init_resource_info): Update.
48         * config/alpha/alpha.c (NUM_ARGS): Update.
49         (direct_return): Update.
50         (alpha_va_start): Update.
51         (alpha_sa_size): Update.
52         (alpha_initial_elimination_offset): Update.
53         (alpha_expand_prologue): Update.
54         (alpha_start_function): Update.
55         (alpha_expand_epilogue): Update.
56         (unicosmk_initial_elimination_offset):
57         * config/alpha/alpha.md (call expander): Update.
58         * config/s390/s390.c (s390_register_info): Update.
59         (s390_register_info): Update.
60         (s390_frame_info): Update.
61         (s390_initial_elimination_offset): Update.
62         (s390_build_builtin_va_list): Update.
63         (s390_va_start): Update.
64         * config/spu/spu.c (direct_return): Update.
65         (spu_expand_prologue): Update.
66         (spu_initial_elimination_offset): Update.
67         (spu_build_builtin_va_list): Update.
68         (spu_va_start): Update.
69         * config/sparc/sparc.c (sparc_init_modes): Update.
70         (sparc_compute_frame_size): Update.
71         (function_value): Update.
72         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
73         * config/i386/i386.md (return expander): Update.
74         * config/i386/i386.c (ix86_va_start): Update.
75         (ix86_can_use_return_insn_p): Update.
76         (ix86_compute_frame_layout): Update.
77         (ix86_expand_epilogue): Update.
78         * config/sh/sh.c (output_stack_adjust): Update.
79         (calc_live_regs): Update.
80         (sh_expand_prologue): Update.
81         (sh_builtin_saveregs): Update.
82         (sh_va_start): Update.
83         (initial_elimination_offset): Update.
84         (sh_allocate_initial_value): Update.
85         (sh_function_ok_for_sibcall): Update.
86         (sh_get_pr_initial_val): Update.
87         * config/sh/sh.md (return expander): Update.
88         * config/avr/avr.c (frame_pointer_required_p): UPdate.
89         * config/crx/crx.c (crx_compute_frame): UPdate.
90         (crx_initial_elimination_offset): UPdate.
91         * config/xtensa/xtensa.c (compute_frame_size): Update
92         (xtensa_builtin_saveregs): Update.
93         (xtensa_va_start): Update.
94         (order_regs_for_local_alloc): Update.
95         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
96         (xstormy16_expand_builtin_va_start): Update.
97         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
98         * config/m68hc11/m68hc11.md (return expanders): Update.
99         * config/m68hc11/m68hc11.c (expand_prologue): Update.
100         (expand_epilogue): Update.
101         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
102         (cris_simple_epilogue): Update.
103         (cris_expand_prologue): Update.
104         (cris_expand_epilogue): Update.
105         * config/iq2000/iq2000.c (iq2000_va_start): Update.
106         (compute_frame_size): Update.
107         * config/mt/mt.c (mt_compute_frame_size): Update.
108         * config/mn10300/mn10300.c (expand_prologue): Update.
109         (expand_epilogue): Update.
110         (initial_offset): Update.
111         (mn10300_builtin_saveregs):
112         * config/mn10300/mn10300.md (return expander): Update.
113         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
114         (ia64_initial_elimination_offset): Update.
115         (ia64_initial_elimination_offset): Update.
116         (ia64_expand_prologue): Update.
117         * config/m68k/m68k.md (return expander): Update.
118         * config/rs6000/rs6000.c (rs6000_va_start): Update.
119         (rs6000_stack_info): Update.
120         * config/mcore/mcore.c (layout_mcore_frame): Update.
121         (mcore_expand_prolog): Update.
122         * config/arc/arc.c (arc_compute_frame_size): Update.
123         * config/score/score3.c (score3_compute_frame_size): Update.
124         * config/score/score7.c (score7_compute_frame_size): Update.
125         * config/arm/arm.c (use_return_insn): Update.
126         (thumb_find_work_register): Update.
127         (arm_compute_save_reg_mask): Update.
128         (arm_output_function_prologue): Update.
129         (arm_output_epilogue): Update.
130         (arm_size_return_regs): Update.
131         (arm_get_frame_offsets): Update.
132         (arm_expand_prologue): Update.
133         (thumb_exit): Update.
134         (thumb_unexpanded_epilogue): Update.
135         (thumb1_output_function_prologue): Update.
136         * config/pa/pa.md (return expander): Update.
137         * config/pa/pa.c (compute_frame_size): Update.
138         (hppa_builtin_saveregs): Update.
139         * config/mips/mips.c (mips_va_start): Update.
140         (mips16_build_function_stub): Update.
141         (mips_compute_frame_info): Update.
142         (mips_restore_gp): Update.
143         (mips_output_function_prologue): Update.
144         (mips_expand_prologue): Update.
145         * config/v850/v850.c (compute_frame_size): Update.
146         (expand_prologue): * config/mmix/mmix.c (along): update.
147         (mmix_initial_elimination_offset): update.
148         (mmix_reorg): update.
149         (mmix_use_simple_return): update.
150         (mmix_expand_prologue): update.
151         (mmix_expand_epilogue): Update.
152         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
153         (emit_link_insn): Update.
154
155 2008-04-08  Anatoly Sokolov <aesok@post.ru>
156
157         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
158         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
159         instructions.
160         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
161         atmega103 device.
162
163 2008-04-07  Jan Hubicka  <jh@suse.cz>
164
165         * function.h (rtl): Rename to x_rtl.
166         (crtl): New define.
167         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
168         frame_offset, stack_check_probe_note, arg_pointer_save_area,
169         used_temp_slots avail_temp_slots, temp_slot_level,
170         nonlocal_goto_handler_labels): Update accesstors.
171         (rtl): New global variable.
172         (struct function): Move some fileds to rtl_data.
173         (get_arg_pointer_save_area): Update prototype.
174         * builtins.c (expand_builtin_setjmp_receiver): Update call of
175         get_arg_pointer_save_area.
176         * expr.c (init_expr): Update
177         * function.c (get_frame_size): Update
178         (assign_stack_local): Update
179         (expand_function_end): Update.
180         (get_art_pointer_save_area): Update
181         * function.h 
182         * emit-rtl.c (rtl): Declare.
183         (regno_reg_rtx): Declare.
184         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
185         Update.
186         (gen_reg_rtx): Update.
187         * varasm.c (n_deferred_constatns): Update accestor.
188         (init_varasm_status): Do not allocate varasm_status.
189         (force_const_mem, get_pool_size, output_constant_pool): Update.
190         * stmt.c (force_label_rtx): Do not use x_ prefixes.
191         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
192         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
193         * sparc/sparc.h (INIT_EXPANDERS): Update.
194         * ia64/ia64.h (INIT_EXPANDERS): Update.
195
196 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
197
198         * reload.c (push_secondary_reload): Add missing break to for loop.
199
200 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
201
202         PR middle-end/PR28690
203         * rtlanal.c: Update copyright years.
204         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
205         as REG_POINTER and MEM_POINTER operands.
206         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
207         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
208         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
209         * gcse.c: Update copyright years.
210         (pre_delete): Call gen_reg_rtx_and_attrs.
211         (hoist_code): Likewise.
212         (build_store_vectors): Likewise.
213         (delete_store): Likewise.
214         * loop-invariant.c (move_invariant_reg): Likewise.
215         Update copyright years.
216
217 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
218
219         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
220         control string instead of quoted.
221
222 2008-04-07  Kenneth Zadeck <zadeck@naturalbridge.com>
223
224         * doc/rtl.texi: Rewrite of subreg section.
225
226 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
227
228         PR/35842
229         * config/i386/i386.c (legitimize_pic_address): Add treating
230         of dllimport SYM_REF's.
231         (legitimize_dllimport_symbol): Add prototype.
232
233 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
234
235         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
236         reference in constructor with non self-referential type.
237
238 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
239
240         Removal of Return with Depressed Stack Pointer support
241         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
242         (ECF_SP_DEPRESSED): Likewise.
243         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
244         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
245         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
246         (expand_call): Do not test ECF_SP_DEPRESSED.
247         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
248         * function.c (keep_stack_depressed): Delete.
249         (handle_epilogue_set): Likewise.
250         (update_epilogue_consts): Likewise.
251         (emit_equiv_load): Likewise.
252         (thread_prologue_and_epilogue_insns): Remove support for Return with
253         Depressed Stack Pointer.
254         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
255
256 2008-04-06  Richard Guenther  <rguenther@suse.de>
257
258         PR tree-optimization/35400
259         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
260         information from SSA_NAMEs.
261
262 2008-04-06  Anatoly Sokolov <aesok@post.ru>
263
264         * config/avr/avr.h (avr_mega_p): Remove declaration.
265         (AVR_MEGA): Remove macro.
266         * config/avr/avr.c (avr_mega_p): Remove variable.
267         (avr_override_options): Remove inicializion of avr_mega_p.
268         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
269         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
270         (avr_jump_mode): (Ditto.).
271         (avr_output_progmem_section_asm_op): (Ditto.).
272         (avr_asm_init_sections): (Ditto.).
273         (avr_asm_init_sections): (Ditto.).
274         (avr_rtx_costs): (Ditto.).
275         * config/avr/avr.md: (Ditto.).
276         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
277         '__AVR_MEGA__'.
278
279 2008-04-06  Richard Guenther  <rguenther@suse.de>
280
281         PR tree-optimization/35842
282         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
283         is_gimple_invariant_address.
284
285 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
286
287         * gcc.c (default_compilers): Sync Fortran extensions list with
288         that in fortran/lang-specs.h.
289         * doc/invoke.texi: Likewise.
290         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
291         * dwarf2out.c (gen_compile_unit_die): Likewise.
292
293 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
294
295         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
296
297 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
298
299         PR target/12329
300         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
301         attribute is used for nested functions.
302
303 2008-04-05  Jan Hubicka  <jh@suse.cz>
304
305         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
306
307         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
308         letter argument.
309         (dump_files): Update.
310         (enable_rtl_dump_file): Do not accept letter argument.
311         * tree-pass.h (dump_file_info): Remove letter argument.
312         * toplev.c (decode_d_option): Update -da handling.
313         * toplev.h (enable_rtl_dump_file): Update prototype.
314         * passes.c (register_one_dump_file): Do not accept IPA argument; work
315         it out based on pass type.
316         (register_dump_files_1): Likewise.
317         (init_optimization_passes): Update register_one_dump_file calls.
318         (execute_one_pass): Sanity check that IPA passes are called at IPA
319         level and RTL passes at RTL level.
320         (execute_pass_list): IPA pass can not be after or subpass of
321         GIMPLE/RTL pass.
322         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
323         disallov RTL subpasses of IPA subpasses.
324
325 2008-04-05  Ben Elliston  <bje@au.ibm.com>
326
327         * tree-cfg.c (need_fake_edge_p): Return false for calls to
328         builtins that return exactly once and do not throw. Cache call to
329         call_expr_flags.
330
331 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
332
333         PR rtl-optimization/34916
334         PR middle-end/35519
335         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
336         between instruction pairs.
337
338 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
339
340         * doc/invoke.texi: Document -mbitops for SH.
341         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
342         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
343         * config/sh/sh.c (print_operand): Add %t operand code.
344         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
345         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
346         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
347         (extendqihi2): Likewise.
348         (movqi_i): Likewise.
349         (insv): Use bset, bclr and bst instructions for SH2A if possible.
350         (extv): Use bld instruction for SH2A if possible.
351         (extzv): Likewise.
352         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
353         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
354         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
355         (bset.b, bclr.b): Define peepholes.
356         * config/sh/sh.opt (mbitops): New option.
357
358 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
359
360         PR target/35620
361         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
362         and view convert expression.
363
364 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
365
366         PR target/35364
367         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
368
369 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
370
371         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
372
373         * config/i386/cpuid.h (bit_AES): New.
374         (bit_PCLMUL): Likewise.
375
376         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
377         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
378         SSE2 if AES or PCLMUL is enabled.
379         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
380         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
381         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
382         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
383         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
384         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
385         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
386         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
387         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
388         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
389         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
390         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
391         __builtin_ia32_aeskeygenassist128 and
392         __builtin_ia32_pclmulqdq128.
393         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
394         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
395         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
396
397         * config/i386/i386.h (TARGET_AES): New.
398         (TARGET_PCLMUL): Likewise.
399         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
400
401         * config/i386/i386.md (UNSPEC_AESENC): New.
402         (UNSPEC_AESENCLAST): Likewise.
403         (UNSPEC_AESDEC): Likewise.
404         (UNSPEC_AESDECLAST): Likewise.
405         (UNSPEC_AESIMC): Likewise.
406         (UNSPEC_AESKEYGENASSIST): Likewise.
407         (UNSPEC_PCLMUL): Likewise.
408
409         * config/i386/i386.opt (maes): New.
410         (mpclmul): Likewise.
411
412         * config/i386/sse.md (aesenc): New pattern.
413         (aesenclast): Likewise.
414         (aesdec): Likewise.
415         (aesdeclast): Likewise.
416         (aesimc): Likewise.
417         (aeskeygenassist): Likewise.
418         (pclmulqdq): Likewise.
419
420         * config/i386/wmmintrin.h: New.
421
422         * doc/extend.texi: Document AES and PCLMUL built-in function.
423
424         * doc/invoke.texi: Document -maes and -mpclmul.
425
426 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
427
428         * function.c (free_after_parsing): Replace with
429         cxx_push_function_context from C++ front-end.
430         (allocate_struct_function): Don't call langhook.
431         * langhooks.h (struct lang_hooks_for_functions): Delete.
432         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
433         member "function".
434         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
435         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
436         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
437         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
438         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
439         remove LANG_HOOKS_FUNCTION_INITIALIZER.
440         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
441
442         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
443         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
444         
445 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
446
447         PR c/35440
448         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
449         for all types.
450
451 2008-04-04  Richard Guenther  <rguenther@suse.de>
452
453         PR middle-end/35823
454         * fold-const.c (optimize_minmax_comparison): Use the correct
455         type for the constant in the simplified comparison.
456
457 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
458
459         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
460         Pass L2 size as "--param l2-cache-size" to the compiler.
461         (decode_l2_cache): New function to decode L2 cache parameters using
462         0x8000006 extended cpuid function.
463         (detect_caches_amd): Determine parameters of L2 cache using
464         decode_l2_caches function.
465         (decode_caches_intel): Decode L2 cache parameters.
466         (detect_caches_intel): Determine L2 cache parameters using
467         decode_caches_intel and decode_l2_caches functions.
468
469 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
470
471         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
472         secondary input reload for subword loads from the constant pool.
473
474 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
475
476         PR target/35713
477         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
478           constants of the appropriate size for runtime calculations.
479
480         PR c/35712
481         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
482           decimal-float literal constant zero.
483
484 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
485
486         PR c/35738
487         * c-parser.c (c_parser_omp_atomic): Call
488         default_function_array_conversion on the RHS.
489
490         PR middle-end/35818
491         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
492         call is_variable_sized if decl has incomplete type.
493
494 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
495
496         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
497
498 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
499
500         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
501         iterators.
502         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
503         (sgt<u>): Merge sgt and sgtu into new expander.
504         (sgt, sgtu): Remove expanders.
505         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
506         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
507         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
508         *sgtu_<mode>_mips16 into new pattern.
509         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
510         (sge<u>): Merge sge and sgeu into new expander.
511         (sge, sgeu): Remove expanders.
512         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
513         new pattern.
514         (*sge_<mode>, second *sge_<mode>): Remove patterns.
515         (slt<u>): Merge slt and sltu into new expander.
516         (slt, sltu): Remove expanders.
517         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
518         (*slt_<mode>, *sltu_<mode>): Remove patterns.
519         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
520         *sltu_<mode>_mips16 into new pattern.
521         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
522         (sle<u>): Merge sle and sleu into new expander.
523         (sle, sleu): Remove expanders.
524         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
525         (*sle_<mode>, *sleu_<mode>): Remove patterns.
526         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
527         *sleu_<mode>_mips16 into new pattern.
528         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
529
530 2008-04-03  Jan Hubicka  <jh@suse.cz>
531
532         PR tree-optimization/35795
533         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
534         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
535         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
536         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
537         * score/score3.c (score3_output_mi_thunk): Likewise.
538         * score/score7.c (score7_output_mi_thunk): Likewise.
539         * mips/mips.c (mips_output_mi_thunk): Likewise.
540
541 2008-04-03  Richard Guenther  <rguenther@suse.de>
542
543         * tree-vrp.c (extract_range_from_unary_expr): Handle all
544         conversions.  Simplify code.
545
546 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
547
548         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
549
550 2008-04-03  Tom Tromey  <tromey@redhat.com>
551             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
552
553         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
554         * config/bfin/t-bfin-linux (generated_files): Add
555         linux-sysroot-suffix.h.
556         * doc/install.texi (Prerequisites): Require make 3.80.
557         * doc/sourcebuild.texi (Front End Directory): Document new
558         variable.
559         * Makefile.in (generated_files): New variable.
560         (ALL_HOST_OBJS): New variable.
561         ($(ALL_HOST_OBJS)): New target.
562
563 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
564
565         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
566         (remap_block): Call id->transform_lang_insert_block instead
567         of langhook.
568         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
569         Set id.transform_lang_insert_block to NULL.
570         (clone_body): Move to cp/optimize.c
571         * tree-inline.h (struct copy_body_data): Change
572         transform_lang_insert_block to function pointer.
573         (copy_generic_body, copy_decl_no_change): Export.
574         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
575         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
576         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
577
578         * c-tree.h (insert_block): Kill.
579         * c-decl.c (insert_block): Kill.
580
581 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
582
583         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
584         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
585         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
586         argument.
587         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
588         argument, call {push,pop}_function_context from here.
589         * c-parser.c: Use c_{push,pop}_function_context.
590
591         * function.c (push_function_context_to): Move meat ...
592         (push_function_context): ... here.  Simplify.
593         * function.c (pop_function_context_from): Move meat ...
594         (pop_function_context): ... here.  Simplify.
595         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
596         leave_nested).
597         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
598         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
599         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
600         * tree.h (push_function_context_to, pop_function_context_from): Remove.
601
602 2008-04-03  Ben Elliston  <bje@au.ibm.com>
603
604         * expmed.c (extract_force_align_mem_bit_field): Remove.
605
606 2008-04-03  Richard Guenther  <rguenther@suse.de>
607
608         PR middle-end/35800
609         * expr.h (try_casesi): Adjust prototype.
610         * expr.c (try_casesi): Take fallback label as extra parameter.
611         Use that for gen_casesi if default_label is NULL.
612         * stmt.c (expand_case): Pass fallback label to try_casesi,
613         make sure to fill gaps with a fallback label if default_label
614         is not present.
615
616 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
617
618         PR target/35801
619         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
620
621 2008-04-03  Ben Elliston  <bje@au.ibm.com>
622
623         * expmed.c (extract_split_bit_field): Remove if (0) code.
624         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
625         (do_ds_constraint): Likewise.
626
627 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
628
629         * doc/cppopts.texi (-dU): Document.
630         * c-common.h (flag_dump_macros): Update comment.
631         * c-opts.c (handle_OPT_d): Handle -dU.
632         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
633         dump_queued_macros, cb_used_define, cb_used_undef): New.
634         (init_pp_output): Handle -dU.
635         (cb_line_change): Call dump_queued_macros.
636         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
637
638 2008-04-02  Anatoly Sokolov <aesok@post.ru>
639
640         * config/avr/predicates.md (io_address_operand): New predicate. 
641         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
642         * config/avr/avr.c (avr_io_address_p): Remove function.
643         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
644         'avr_io_address_p' function.
645         (out_movhi_r_mr): (Ditto.).
646         (out_movqi_mr_r): (Ditto.).
647         (out_movhi_mr_r): (Ditto.).
648         (avr_address_cost): (Ditto.).
649
650 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
651
652         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
653         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
654         in 32bit mode when XMM registers are available to avoid store
655         forwarding stalls.
656         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
657         corresponding post-reload splitters.
658
659 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
660
661         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
662         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
663         __builtin_ia32_roundss.
664         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
665         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
666         __builtin_ia32_roundss.
667         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
668         IX86_BUILTIN_SHUFPD here.
669
670 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
671
672         * config/i386/i386.md (plogic): New.
673         (plogicprefix): Likewise.
674
675         * config/i386/mmx.md (mmx_<code><mode>3): New.
676         (mmx_and<mode>3): Removed.
677         (mmx_ior<mode>3): Likewise.
678         (mmx_xor<mode>3): Likewise.
679
680         * config/i386/sse.md (<code><mode>3): New.
681         (*<code><mode>3): Likewise.
682         (*<code><mode>3): Likewise.
683         (<code><mode>3): Likewise.
684         (*sse_<code><mode>3): Likewise.
685         (*sse2_<code><mode>3): Likewise.
686         (<code>tf3): Likewise.
687         (*<code>tf3): Likewise.
688         (and<mode>3): Likewise.
689         (*and<mode>3): Likewise.
690         (ior<mode>3): Removed.
691         (*ior<mode>3): Likewise.
692         (xor<mode>3): Likewise.
693         (*xor<mode>3): Likewise.
694         (*and<mode>3): Likewise.
695         (*ior<mode>3): Likewise.
696         (*xor<mode>3): Likewise.
697         (and<mode>3): Likewise.
698         (*sse_and<mode>3): Likewise.
699         (*sse2_and<mode>3): Likewise.
700         (andtf3): Likewise.
701         (*andtf3): Likewise.
702         (ior<mode>3): Likewise.
703         (*sse_ior<mode>3): Likewise.
704         (*sse2_ior<mode>3): Likewise.
705         (iortf3): Likewise.
706         (*iortf3): Likewise.
707         (xor<mode>3): Likewise.
708         (*sse_xor<mode>3): Likewise.
709         (*sse2_xor<mode>3): Likewise.
710         (xortf3): Likewise.
711         (*xortf3): Likewise.
712
713 2008-04-02  Richard Guenther  <rguenther@suse.de>
714
715         PR tree-optimization/14495
716         PR tree-optimization/34793
717         * tree-vrp.c (struct switch_update): New structure.
718         (to_remove_edges, to_update_switch_stmts): New VECs.
719         (simplify_switch_using_ranges): New function.  Remove not taken
720         case labels and edges.
721         (simplify_stmt_using_ranges): Call it.
722         (identify_jump_threads): Mark edges we have queued for removal
723         so we don't thread them.
724         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
725         case label vector.
726         * tree-cfg.c (group_case_labels): Deal with missing default label.
727         (tree_verify_flow_info): Allow missing default label.
728         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
729         (emit_case_nodes): Likewise.
730         (expand_case): Do not rely on the default label to be present.
731         * expr.c (try_casesi): Deal with NULL default_label.
732         (do_tablejump): Likewise.
733
734 2008-04-02  Richard Guenther  <rguenther@suse.de>
735
736         PR tree-optimization/14495
737         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
738         SWITCH_EXPR here ...
739         (vrp_visit_switch_stmt): ... but here (new function).
740         (find_case_label_index): New helper function.
741         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
742
743 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
744
745         * fwprop.c: Fix ISO-C99ism.
746
747 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
748
749         PR bootstrap/35752
750         * Makefile.in (objdir): Set it here.
751         * configure.ac: Not here.  Find dynamic linker characteristics.
752         * exec-tool.in: Use them.
753         * aclocal.m4: Regenerate.
754         * configure: Regenerate.
755
756 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
757
758         * expr.c (expand_var): Delete it.
759         * expr.h (expand_var): Delete prototype.
760         * function.c (expand_function_start): Use expand_decl instead.
761         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
762         langhook.
763
764 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
765
766         PR rtl-optimization/35542
767         * fwprop.c (forward_propagate_and_simplify): Replace
768         loc_reg_mentioned_in_p with reg_mentioned_p.
769
770 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
771
772         PR rtl-optimization/35281
773         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
774         (propagate_rtx_1): Handle PR_HANDLE_MEM.
775         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
776         (varying_mem_p): Move above propagate_rtx.
777         (all_uses_available_at): Do not check MEMs.
778
779 2008-04-02  Rafael Espindola  <espindola@google.com>
780
781         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
782         (register_edge_assert_for_2): Split the cond argument.
783         (register_edge_assert_for_1): Adjust for the change in
784         register_edge_assert_for_2.
785         (register_edge_assert_for): Split the cond argument.
786         (find_switch_asserts): Adjust for the change in
787         register_edge_assert_for.
788
789 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
790
791         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
792         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
793         offsets for 64-bit mingw.
794         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
795         abi for x86_64-pc-mingw.
796
797 2008-04-02  Richard Guenther  <rguenther@suse.de>
798
799         * tree-vrp.c (extract_range_from_assert): Make sure to not
800         produce range min/max with TREE_OVERFOW set.
801         If merging a anti-range and a range keep the anti-range if
802         the range covers all values of the type.
803         (register_edge_assert_for_2): Only allow sign-changing
804         conversions in detecting canonical range checks.  Also
805         register an assert for the unsigned name if useful.
806
807         PR tree-optimization/35787
808         * tree-vrp.c (vrp_val_max): New function.
809         (vrp_val_min): Likewise.
810         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
811         (vrp_val_is_min): Likewise.
812         (supports_overflow_infinity): Use vrp_val_{min,max}.
813         (negative_overflow_infinity): Likewise.
814         (positive_overflow_infinity): Likewise.
815         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
816         (is_positive_overflow_infinity): Likewise.
817         (is_overflow_infinity): Likewise.
818         (avoid_overflow_infinity): Use vrp_val_{min,max} and
819         vrp_val_is_{min,max}.
820         (set_and_canonicalize_value_range): Canonicalize anti-ranges
821         to ranges if possible.  Avoid empty ranges.
822
823 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
824
825         PR middle-end/35705
826         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
827         the expression is a function address.
828
829 2008-04-01  George Helffrich  <george@gcc.gnu.org>
830
831         PR fortran/PR35154, fortran/PR23057
832         * fortran/trans-common.c (create_common):  Add decl to function
833         chain to preserve identifier scope in debug output.
834
835         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
836         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
837         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
838         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
839         in common.
840         (dbxout_syms): Check for COMMON-based symbol and wrap in
841         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
842         in bracket for efficiency.
843
844         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
845         using DW_TAG_common_block + member offset.
846         (add_pubname_string): New function.
847         (dw_expand_expr): New function to find block name and offset for
848         COMMON var.
849         (common_check): New function to check whether symbol in Fortran COMMON.
850         (gen_variable_die): If COMMON, use DW_TAG_common_block.
851
852         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
853         use of common is unchanged.
854
855         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
856         with all combinations of debug options available on target.
857         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
858         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
859         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
860         .stabs functionality.
861         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
862         DWARF functionality.
863
864 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
865
866         PR c/35436
867         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
868
869 2008-04-02  Ben Elliston  <bje@au.ibm.com>
870
871         * config/v850/v850.md (casesi): Remove if (0) code.
872         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
873         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
874
875 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
876
877         * config/i386/i386.md (rex64suffix): New mode attribute.
878         (floathi<mode>2): Disable expander for SSE math.
879         (*floathi<mode>2_1): New insn insn_and_split pattern.
880         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
881         corresponding post-reload splitters.
882         (*floathi<mode>2_i387): New macroized insn pattern.
883         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
884         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
885         insn_and_split pattern.
886         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
887         New macroized instruction patterns and corresponding post-reload
888         splitters.
889         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
890         and corresponding post-reload splitters.
891         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
892         New macroized instruction patterns.
893         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
894         macroized instruction patterns and corresponding post-reload splitters.
895         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
896         corresponding post-reload splitters.
897         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
898         New macroized instruction patterns.
899         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
900         corresponding post-reload splitters.
901         (*floatsi<mode>2_i387): New macroized instruction patterns.
902
903 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
904
905         * config/i386/i386.md (smaxmin): New.
906         (umaxmin): Likewise.
907         (maxminiprefix): Likewise.
908         (maxminfprefix): Likewise.
909         (<code><mode>3): Likewise.
910         (smin<mode>3): Removed.
911         (smax<mode>3): Likewise.
912
913         * config/i386/mmx.md (mmx_<code>v2sf3): New.
914         (mmx_<code>v4hi3): Likewise.
915         (mmx_<code>v8qi3): Likewise.
916         (mmx_smaxv2sf3): Removed.
917         (mmx_sminv2sf3): Likewise.
918         (mmx_umaxv8qi3): Likewise.
919         (mmx_smaxv4hi3): Likewise.
920         (mmx_uminv8qi3): Likewise.
921         (mmx_sminv4hi3): Likewise.
922
923         * config/i386/sse.md (<addsub><mode>3): New.
924         (*<addsub><mode>3): Likewise.
925         (<sse>_vm<addsub><mode>3): Likewise.
926         (<maxmin><mode>3): Likewise.
927         (*<maxmin><mode>3_finite): Likewise.
928         (*<maxmin><mode>3): Likewise.
929         (<sse>_vm<maxmin><mode>3): Likewise.
930         (sse3_h<addsub>v4sf3): Likewise.
931         (sse3_h<addsub>v2df3): Likewise.
932         (<maxmin>v16qi3): Likewise.
933         (*<maxmin>v16qi3): Likewise.
934         (<maxmin>v8hi3): Likewise.
935         (*<maxmin>v8hi3): Likewise.
936         (*sse4_1_<maxmin><mode>3): Likewise.
937         (*sse4_1_<maxmin><mode>3): Likewise.
938         (add<mode>3): Removed.
939         (*add<mode>3): Likewise.
940         (<sse>_vmadd<mode>3): Likewise.
941         (sub<mode>3): Likewise.
942         (*sub<mode>3): Likewise.
943         (<sse>_vmsub<mode>3): Likewise.
944         (smin<mode>3): Likewise.
945         (*smin<mode>3_finite): Likewise.
946         (*smin<mode>3): Likewise.
947         (<sse>_vmsmin<mode>3): Likewise.
948         (smax<mode>3): Likewise.
949         (*smax<mode>3_finite): Likewise.
950         (*smax<mode>3): Likewise.
951         (<sse>_vmsmax<mode>3): Likewise.
952         (sse3_haddv4sf3): Likewise.
953         (sse3_haddv2df3): Likewise.
954         (sse3_hsubv4sf3): Likewise.
955         (sse3_hsubv2df3): Likewise.
956         (umaxv16qi3): Likewise.
957         (*umaxv16qi3): Likewise.
958         (smaxv8hi3): Likewise.
959         (*smaxv8hi3): Likewise.
960         (*sse4_1_smax<mode>3): Likewise.
961         (*sse4_1_umax<mode>3): Likewise.
962         (uminv16qi3): Likewise.
963         (*uminv16qi3): Likewise.
964         (sminv8hi3): Likewise.
965         (*sminv8hi3): Likewise.
966         (*sse4_1_smin<mode>3): Likewise.
967         (*sse4_1_umin<mode>3): Likewise.
968
969 2008-04-01  Rafael Espindola  <espindola@google.com>
970
971         * tree-cfg.c (verify_expr): remove in_phi.
972         (verify_stmt): Don't call walk_tree with verify_expr. Use
973         is_gimple_min_invariant instead of is_gimple_val.
974
975 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
976
977         * doc/include/gpl_v3.texi: Update for manpage generation.
978         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
979         gpl.texi.
980         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
981         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
982         gpl_v3.texi instead of gpl.texi.
983         (gpl.pod): New.
984
985 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
986
987         PR pch/13675
988         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
989
990 2008-04-01  Rafael Espindola  <espindola@google.com>
991
992         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
993         (extract_code_and_val_from_cond): Use
994         extract_code_and_val_from_cond_with_ops.
995
996 2008-04-01  Jan Hubicka  <jh@suse.cz>
997
998         * function.c (free_after_compilation): Free epilogue_delay_list.
999         (prepare_function_start): Assert that previous compilation was freed.
1000
1001 2008-04-01  Jan Hubicka  <jh@suse.cz>
1002             Jim Wilson  <wilson@tuliptree.org>
1003             Andreas Tobler <andreast@gcc.gnu.org>
1004
1005         PR middle-end/35781
1006         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
1007         rtl.emit instead cfun->emit.
1008         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
1009         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
1010
1011 2008-04-01  Ben Elliston  <bje@au.ibm.com>
1012
1013         * doc/c-tree.texi (Function Basics): Fix grammatical error.
1014
1015 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
1016
1017         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
1018         New options
1019         (fprofile-use): Add var flag_profile_use
1020         * coverage.c (coverage_begin_output): Do not open a gcno file for
1021         output only if -ftest-coverage is set.
1022         Do not add getpwd() to gcda file path.
1023         (build_gcov_info): Check the new flag
1024         flag_profile_datafile_relative_path.
1025         (coverage_init): Use profile_data_prefix.
1026         Read profile counter only if flag_profile_use is set.
1027         * opts.c (common_handle_option): New option fprofile-use=,
1028         fprofile-dir=, fprofile-generate=.
1029         * toplev.c (profile_data_prefix): New variable definition.
1030         * toplev.h (profile_data_prefix): New declaration.
1031         * doc/invoke.tex (Option Summary, Optimization Options):
1032         Add new options.
1033
1034 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
1035
1036         * varasm.c (output_constant_pool_1): In LABEL_REF check,
1037         use tmp consistently.
1038
1039         PR target/35695
1040         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
1041         * config/ia64/ia64.c (rtx_needs_barrier): Handle
1042         UNSPEC_FR_RECIP_APPROX_RES.
1043         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
1044
1045 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
1046
1047         PR c/35750
1048         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
1049
1050 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1051
1052         PR middle-end/30186
1053         * fold-const.c (fold_indirect_ref_1): Support accessing non first
1054         element of the vector via a pointer.
1055
1056 2008-03-31  Ian Lance Taylor  <iant@google.com>
1057
1058         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
1059
1060 2008-03-31  Jan Hubicka  <jh@suse.cz>
1061
1062         * builtins.c (expand_builtin_setjmp_receiver): Update call of
1063         get_arg_pointer_save_area.
1064         * expr.c (init_expr): Just clear out rtl.expr.
1065         * function.c (free_after_compilation): Clear out whole RTL structure.
1066         (get_func_frame_size): Merge into ...
1067         (get_frame_size): ... this one.
1068         (assign_stack_local_1): Merge into ...
1069         (assign_stack_local): ... this one.
1070         (expand_function_end): Update call of get_arg_pointer_save_area.
1071         (get_art_pointer_save_area): Remove cfun argument.
1072         * function.h (emit_status): regno_pointer_align does not need length
1073         attribute. Move x_regno_reg_rtx to ...
1074         (regno_reg_rtx): ... new global array.
1075         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
1076         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
1077         apply_args_value, forced_labels, stack_pointer_delta):
1078         Update accestors.
1079         (struct varasm_status): Move here from varasm.c
1080         (struct rtl_data): New. Move here some fields from struct function.
1081         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
1082         frame_offset, stack_check_probe_note, arg_pointer_save_area,
1083         used_temp_slots avail_temp_slots, temp_slot_level,
1084         nonlocal_goto_handler_labels): Update accesstors.
1085         (rtl): New global variable.
1086         (struct function): Move some fileds to rtl_data.
1087         (get_arg_pointer_save_area): Update prototype.
1088         * emit-rtl.c (rtl): Declare.
1089         (regno_reg_rtx): Declare.
1090         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
1091         Update.
1092         (gen_reg_rtx): Update.
1093         (init_virtual_regs): Do not tate emit_status argument.
1094         (init_emit): Do not allocate emit.
1095         * varasm.c (varasm_statuc): Move to function.h.
1096         (n_deferred_constatns): Update accestor.
1097         (init_varasm_status): Do not allocate varasm_status.
1098         (force_const_mem, get_pool_size, output_constant_pool): Update.
1099         * stmt.c (force_label_rtx): Do not use x_ prefixes.
1100         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
1101
1102 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
1103
1104         PR rtl-optimization/35729
1105         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
1106         references.
1107
1108 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
1109
1110         PR target/32000
1111         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
1112         load/store if memory is unaligned.
1113         (*movti_rex64): Likewise.
1114
1115         * config/i386/predicates.md (misaligned_operand): New.
1116
1117 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
1118
1119         PR tree-opt/35431
1120         * tree-ssa-phiopt.c (conditional_replacement): Return early for
1121         complex types.
1122
1123 2008-03-31  Jan Beulich  <jbeulich@novell.com>
1124
1125         * config/ia64/constraints.md: Add 'j' constraint.
1126         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
1127         (movdi_internal): Likewise.
1128
1129 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
1130
1131         PR c/35748
1132         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
1133
1134 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
1135
1136         PR target/35757
1137         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
1138         proper error message for the third argument on blendpd and
1139         blendps.
1140
1141         * config/i386/sse.md (blendbits): New.
1142         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
1143
1144 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
1145
1146         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
1147
1148 2008-03-30  Richard Guenther  <rguenther@suse.de>
1149
1150         PR middle-end/31023
1151         * fold-const.c (fold_sign_changed_comparison): Do leave
1152         conversions to base-types alone.
1153
1154 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1155
1156         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
1157         the link register if one altivec register is be saved.
1158
1159 2008-03-30  Ben Elliston  <bje@au.ibm.com>
1160
1161         * final.c (final_scan_insn): Remove if (0) code.
1162
1163 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
1164
1165         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
1166
1167 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
1168
1169         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
1170         of V4SFmode to ix86_binary_operator_ok.
1171
1172 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
1173
1174         * config/i386/i386.c (override_options): Initialize
1175         ix86_veclib_handler to ix86_veclibabi_svml when
1176         -mveclibabi=svml is used.
1177         (ix86_veclibabi_svml): New function for SVML ABI style
1178         vectorization support.
1179         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
1180
1181 2008-03-28  Rafael Espindola  <espindola@google.com>
1182
1183         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
1184         (tree_binary_nonnegative_warnv_p): Make it public.
1185         (tree_single_nonnegative_warnv_p): Make it public.
1186         (tree_invalid_nonnegative_warnv_p): Make it public.
1187         (tree_unary_nonzero_warnv_p): Make it public.
1188         (tree_binary_nonzero_warnv_p): Make it public
1189         (tree_single_nonzero_warnv_p): Make it public.
1190         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
1191         (extract_range_from_binary_expr): Split the expr argument.
1192         (extract_range_from_unary_expr): Split the expr argument.
1193         (extract_range_from_comparison): Split the expr argument.
1194         (extract_range_from_expr): Use the new aux functions.
1195         (vrp_evaluate_conditional_warnv): Use
1196         vrp_evaluate_conditional_warnv_with_ops.
1197         * tree.h (tree_unary_nonzero_warnv_p): Declare.
1198         (tree_binary_nonzero_warnv_p): Declare.
1199         (tree_single_nonzero_warnv_p): Declare.
1200         (tree_expr_nonzero_warnv_p): Declare.
1201         (tree_unary_nonnegative_warnv_p): Declare.
1202         (tree_binary_nonnegative_warnv_p): Declare.
1203         (tree_single_nonnegative_warnv_p): Declare.
1204         (tree_invalid_nonnegative_warnv_p): Declare.
1205
1206 2008-03-28  Richard Guenther  <rguenther@suse.de>
1207
1208         PR tree-optimization/30317
1209         PR tree-optimization/30911
1210         PR tree-optimization/34793
1211         * tree-vrp.c (set_and_canonicalize_value_range): New function.
1212         (struct assert_locus_d): New member EXPR.
1213         (register_new_assert_for): Add EXPR parameter to support
1214         ASSERT_EXPR <name, expr OP limit>.
1215         (register_edge_assert_for_1): Adjust callers.
1216         (find_assert_locations): Likewise.
1217         (process_assert_insertions_for): Build condition from expression.
1218         (extract_range_from_assert): Handle ASSERT_EXPRs
1219         of the form ASSERT_EXPR <name, expr OP limit>.
1220         (register_edge_assert_for_2): New helper registering
1221         asserts for comparisons.  Recognize range tests of the form
1222         (unsigned)i - CST1 OP CST2.
1223         (register_edge_assert_for_1): Use it.
1224         (register_edge_assert_for): Likewise.
1225         (needs_overflow_infinity): Integer sub-types
1226         do not need overflow infinities.
1227         (vrp_val_is_max): The extreme values of integer sub-types
1228         are those of the base type.
1229         (vrp_val_is_min): Likewise.
1230         * tree.def (ASSERT_EXPR): Document extra allowed conditional
1231         expressions.
1232
1233 2008-03-28  Nick Clifton  <nickc@redhat.com>
1234
1235         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
1236         Return GENERAL_REGS for stack adjustment reloads.
1237
1238 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1239
1240         PR target/31334
1241         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
1242         const_vector when all the vectors are constant.
1243
1244 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
1245
1246         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
1247         comparisons.
1248         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
1249         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
1250         (scc_sf): New.
1251         (s<code>_sf): Use new scc_sf attribute for opcode names.
1252
1253 2008-03-27  Tom Tromey  <tromey@redhat.com>
1254
1255         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
1256         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
1257         config/spu/t-spu-elf, config/i386/t-interix,
1258         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
1259         config/i386/x-darwin, config/i386/x-mingw32,
1260         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
1261         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
1262         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
1263         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
1264         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
1265         config/rs6000/x-darwin, config/rs6000/t-rs6000,
1266         config/score/t-score-elf, config/arm/t-strongarm-pe,
1267         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
1268         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
1269         Revert automatic dependency patch.
1270
1271 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1272
1273         PR target/35657
1274         * config/i386/i386.c (ix86_function_arg_boundary): Align
1275         decimal floating point to its natural boundary.
1276
1277 2008-03-27  Richard Guenther  <rguenther@suse.de>
1278
1279         PR middle-end/35716
1280         * fold-const.c (fold_comparison): Restrict distinct decl
1281         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
1282         solely rely on operand_equal_p.
1283
1284 2008-03-27  Richard Guenther  <rguenther@suse.de>
1285
1286         PR c/32511
1287         * c-common.c (handle_weak_attribute): Reject combination of
1288         weak and inline.
1289
1290 2008-03-27  Richard Guenther  <rguenther@suse.de>
1291
1292         PR tree-optimization/32810
1293         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
1294         conversions from DECL_INITIAL.
1295         (fold_const_aggregate_ref): Likewise from constructor elements.
1296
1297 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
1298
1299         * tree-affine.h (aff_combination_expand): Declare.
1300         (get_inner_reference_aff): Likewise.
1301         * tree-affine.c (aff_combination_expand): Split out from
1302         tree_to_aff_combination_expand.
1303         (get_inner_reference_aff): New function.
1304         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
1305         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
1306         (struct lim_aux_data): sm_done field removed.
1307         (mem_ref_loc_p, mem_ref_locs_p): New types.
1308         (struct mem_ref): Added id, stored, accesses_in_loop,
1309         indep_loop, dep_loop, indep_ref, dep_ref fields.
1310         Removed is_stored, locs and next fields.
1311         (memory_accesses): New variable.
1312         (movement_possibility): Do not allow moving statements
1313         that store to memory.
1314         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
1315         New functions.
1316         (determine_max_movement): For statements with memory references,
1317         find the outermost loop in that the reference is independent.
1318         (move_computations_stmt): Mark the virtual operands for renaming.
1319         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
1320         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
1321         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
1322         add_vop_ref_mapping, create_vop_ref_mapping_loop,
1323         create_vop_ref_mapping, analyze_memory_references,
1324         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
1325         get_all_locs_in_loop, ref_always_accessed_p,
1326         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
1327         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
1328         store_motion_loop, store_motion): New functions.
1329         (struct vop_to_refs_elt): New type.
1330         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
1331         memref_hash, memref_eq, hoist_memory_references): Rewritten.
1332         (schedule_sm): Replaced by...
1333         (execute_sm): ... this.
1334         (determine_lsm_ref, hoist_memory_references,
1335         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
1336         find_more_ref_vops, free_mem_ref, free_mem_refs,
1337         determine_lsm_loop, determine_lsm): Removed.
1338         (tree_ssa_lim_finalize): Free data structures used by store motion.
1339         (tree_ssa_lim): Call analyze_memory_references.  Use
1340         store_motion instead of determine_lsm.
1341
1342 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
1343
1344         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
1345         rename tmake_file to m68hc11/t-m68hc11.
1346         (mcore): Set inhibit_libc to true.
1347         * config.host (alpha*-dec-*vms*): Set extra_programs.
1348         (interix3*): Don't use host_xmake_file.
1349         * configure.ac: Let config.gcc override inhibit_libc.
1350         * configure: Regenerate.
1351
1352         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
1353         * config/t-openbsd-thread: Remove commented out lines.
1354         
1355         * config/x-interix: Remove.
1356
1357         * config/m68hc11/t-m68hc11-gas: Rename to...
1358         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
1359
1360         * config/mcore/t-mcore: Remove T_CFLAGS.
1361         * config/mcore/t-mcore-pe: Likewise.
1362
1363 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
1364
1365         * configure.ac: Replace custom __GNU_SOURCE test with
1366         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
1367         * aclocal.m4: Regenerate.
1368         * configure: Regenerate.
1369         * config.in: Regenerate.
1370
1371 2008-03-27  Richard Guenther  <rguenther@suse.de>
1372
1373         * fold-const.c (target.h): Include.
1374         (fold_comparison): Fold comparison of addresses of decls
1375         that bind locally or of constants.  Consolidate address folding code.
1376         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
1377         results from fold_binary_to_constant.
1378         (compare_values_warnv): Likewise.
1379
1380 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
1381
1382         PR middle-end/35429
1383         * fold-const.c (fold_truthop): Check for integeral types when folding
1384         a == 0 && b == 0 and a != 0 || b != 0 .
1385
1386 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
1387
1388         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
1389
1390 2008-03-26  Andreas Schwab  <schwab@suse.de>
1391
1392         * doc/invoke.texi: Fix use of @item vs. @itemx.
1393
1394 2008-03-26  Tom Tromey  <tromey@redhat.com>
1395
1396         * Makefile.in (build/gensupport.o, build/print-rtl.o,
1397         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
1398         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
1399         build/gencodes.o, build/genconditions.o, build/genconfig.o,
1400         build/genconstants.o, build/genemit.o, build/genextract.o,
1401         build/genflags.o, build/genmddeps.o, build/genopinit.o,
1402         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
1403         options.h.
1404
1405 2008-03-26  Richard Guenther  <rguenther@suse.de>
1406
1407         Revert
1408         2008-03-26  Richard Guenther  <rguenther@suse.de>
1409
1410         * fold-const.c (target.h): Include.
1411         (fold_comparison): Fold comparison of addresses of two decls
1412         that bind locally.  Consolidate address folding code.
1413
1414 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1415
1416         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
1417         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
1418         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
1419         dconstsqrt2, dconstthird, dconste and/or dconst10.
1420         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
1421         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
1422         dconstsqrt2, dconste): Delete.
1423         (init_emit_once): Likewise.  Simplify initializing dconstm1.
1424         Constify variable.
1425         * real.c (get_real_const): New.
1426         * real.h (dconst3, dconst10, dconstm2, dconstthird,
1427         dconstsqrt2, dconste): Delete.
1428         (real_value_const, get_real_const): New.
1429
1430 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
1431
1432         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
1433
1434         * config/i386/i386.c (ix86_function_arg_boundary): Check
1435         BIGGEST_ALIGNMENT instead of 128.
1436         (setup_incoming_varargs_64): Likewise.
1437
1438 2008-03-26  Tom Tromey  <tromey@redhat.com>
1439
1440         * Makefile.in (DEPFILES): Add missing '/'.
1441
1442 2008-03-26  Richard Guenther  <rguenther@suse.de>
1443
1444         * fold-const.c (target.h): Include.
1445         (fold_comparison): Fold comparison of addresses of two decls
1446         that bind locally.  Consolidate address folding code.
1447
1448 2008-03-26  Nick Clifton  <nickc@redhat.com>
1449
1450         PR target/31232
1451         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
1452         not allow INT+INT as a legitimate addressing mode.
1453
1454 2008-03-26  Richard Guenther  <rguenther@suse.de>
1455
1456         * tree-flow.h (widen_bitfield): Remove declaration.
1457         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
1458         (widen_bitfield): Remove function.
1459         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
1460         code.
1461
1462 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1463
1464         PR target/31558
1465         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
1466         error_mark_node's.
1467
1468 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1469
1470         PR rtl-optimization/35232
1471         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1472         (forget_old_reloads_1, forget_marked_reloads): Don't clear
1473         reg_reloaded_call_part_clobbered here.
1474         (reload_regs_reach_end_p): New function.
1475         (reload_reg_rtx_for_input): New variable.
1476         (reload_reg_rtx_for_output): Likewise.
1477         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1478         when reassigning a pseudo register.  Load reloadreg from 
1479         reload_reg_rtx_for_input, moving the mode and register
1480         calculation to...
1481         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
1482         instead of the original when deciding whether an input reload
1483         would be a no-op or whether an output reload can be deleted.
1484         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1485         when setting up new_spill_reg_store.  Load it from
1486         reload_reg_rtx_for_output, moving the mode and register
1487         calculation to...
1488         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
1489         instead of the original when deciding whether an output reload
1490         would be a no-op.  Do the same when modifying insn notes.
1491         Use rtx_equal_p instead of == to compare the registers.
1492         (inherit_piecemeal_p): Take a mode and two register numbers
1493         as argument.
1494         (emit_reload_insns): Clear new_spill_reg_store for every hard
1495         register in the reload register.  Remove spill registers
1496         from reg_reloaded_valid before considering whether to record
1497         inheritance information for them.  Use reload_reg_rtx_for_output
1498         instead of reg_rtx when recording output reloads.  Use
1499         reload_reg_rtx_for_input instead of reg_rtx when recording
1500         input reloads.  Set or clear reg_reloaded_call_part_clobbered
1501         at the same time as setting reg_reloaded_valid.
1502         (delete_output_reload): Add a new_reload_reg parameter and use it
1503         instead of rld[j].reg_rtx.
1504         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1505         calls accordingly.
1506
1507 2008-03-25  Tom Tromey  <tromey@redhat.com>
1508
1509         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1510         (build/genattr.o): Likewise.
1511         (build/genattrtab.o): Likewise.
1512         (build/gencodes.o): Likewise.
1513         (build/genconfig.o): Likewise.
1514         (build/genconstants.o): Likewise.
1515         (build/genemit.o): Likewise.
1516         (build/genextract.o): Likewise.
1517         (build/genflags.o): Likewise.
1518
1519 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
1520         
1521         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1522         instead of size_int for integer types.
1523         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
1524         to match type of MINUS_EXPR.
1525         
1526 2008-03-25  Tom Tromey  <tromey@redhat.com>
1527
1528         * configure: Rebuilt.
1529         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1530         Makefile.
1531
1532 2008-03-25  Tom Tromey  <tromey@redhat.com>
1533
1534         * config/x-solaris (host-solaris.o): Update.
1535         * config/x-linux (host-linux.o): Update.
1536         * config/x-hpux (host-hpux.o): Update.
1537         * config/x-darwin (host-darwin.o): Update.
1538         * config/v850/t-v850e (v850-c.o): Update.
1539         * config/v850/t-v850 (v850-c.o): Update.
1540         * config/t-vxworks (vxworks.o): Update.
1541         * config/t-sol2 (sol2-c.o, sol2.o): Update.
1542         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1543         * config/spu/t-spu-elf (spu-c.o): Update.
1544         (spu.o): Remove.
1545         * config/sh/t-symbian (sh-c.o): Update.
1546         (symbian.o): Update.
1547         * config/sh/t-sh (sh-c.o): Update.
1548         * config/score/t-score-elf (score7.o, score3.o): Update.
1549         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1550         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1551         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1552         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1553         (rs6000.o): Remove.
1554         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1555         * config/m32c/t-m32c (m32c-pragma.o): Update.
1556         * config/ia64/t-ia64 (ia64-c.o): Update.
1557         * config/i386/x-mingw32 (host-mingw32.o): Update.
1558         * config/i386/x-i386 (driver-i386.o): Update.
1559         * config/i386/x-darwin (host-i386-darwin.o): Update.
1560         * config/i386/x-cygwin (host-cygwin.o): Update.
1561         * config/i386/t-nwld (nwld.o): Update.
1562         * config/i386/t-netware (netware.o): Update.
1563         * config/i386/t-interix (winnt.o): Update.
1564         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1565         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1566         msformat-c.o): Update.
1567         * config/bfin/t-bfin-linux (generated_files): Add
1568         linux-sysroot-suffix.h.
1569         * config/arm/t-wince-pe (pe.o): Update.
1570         * config/arm/t-strongarm-pe (pe.o): Update.
1571         * config/arm/t-pe (pe.o): Update.
1572         * config/arm/t-arm (arm-c.o): Update.
1573         * doc/install.texi (Prerequisites): Require make 3.80.
1574         * Makefile.in: Remove .o targets.
1575         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1576         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1577         (simple_generated_h, simple_generated_c): Move earlier.
1578         (generated_files): New variable.
1579         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1580         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1581         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1582         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1583         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1584         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1585         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1586         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1587         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1588         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1589         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1590         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1591         (.c.o): Remove.
1592         (COMPILE.base, COMPILE): New variables.
1593         (%.o): New pattern rule.
1594         (ALL_HOST_OBJS): New variable.
1595         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1596         (dummy-checksum.o, cc1-checksum.o): Remove.
1597         (DRIVER_SHLIB): New variable.
1598         (DRIVER_DEFINES): Use it.
1599         (gencondmd.c): Move out of build/.
1600         (s-conditions): Update.
1601         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1602         (ALL_BUILD_OBJS): Likewise.
1603         (build/%.o): Use BUILDCOMPILE.
1604         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1605         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1606         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1607         build/gencheck.o, build/gencodes.o, build/genconditions.o,
1608         build/genconfig.o, build/genconstants.o, build/genemit.o,
1609         build/genextract.o, build/genflags.o, build/genmddeps.o,
1610         build/genopinit.o, build/genoutput.o, build/genpeep.o,
1611         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1612         build/gen-protos.o, build/scan.o, build/fix-header.o,
1613         build/scan-decls.o): Simplify.
1614         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1615         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1616         prefix.o, toplev.o): Reduce to variable setting.
1617         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
1618         ($(out_object_file), gcc-options.o): New targets.
1619         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
1620         * configure: Rebuilt.
1621         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1622         * doc/sourcebuild.texi (Front End Directory): Document new variable.
1623
1624 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
1625
1626         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1627         complain when we hit an error, return ERROR_MARK_NODE.
1628
1629 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1630
1631         * config/sh/constraints.md (Pso, Psz): New constraints.
1632         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1633         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1634
1635 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1636
1637         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1638         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1639
1640 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1641
1642         * config/sh/sh.md (prefetch): Add condition for SH2A target.
1643         (prefetch_sh2a): New.   
1644
1645 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1646             Naveen.H.S  <naveen.hs@kpitcummins.com>
1647
1648         * config/sh/constraints.md (I28): New constraint.
1649         * config/sh/sh.c (broken_move): Add support for movi20s.
1650         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1651
1652 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
1653             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1654             Naveen.H.S  <naveen.hs@kpitcummins.com>
1655
1656         * config/sh/sh.c (SH_ATTRIBUTES): Define.
1657         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1658         (print_operand): Handle resbank in %@ operand code.
1659         (sh_encode_section_info): New.
1660         (push_regs): Add conditions for resbank.
1661         (sh_expand_epilogue): Likewise.
1662         (sh_insert_attributes): Likewise.
1663         (sh_attribute_table): Likewise.
1664         (sh_handle_resbank_handler_attribute): New.
1665         (sh2a_handle_function_vector_handler_attribute): New.
1666         (sh2a_is_function_vector_call): New.
1667         (sh2a_get_function_vector_number): New.
1668         (sh2a_function_vector_p): New.
1669         (sh_cfun_resbank_handler_p): New.
1670         * config/sh/sh.md (calli): Emit jsr/n if possible.
1671         (calli_tbr_rel): New.
1672         (calli_pcrel): Emit jsr/n if possible.
1673         (return_i): Emit rts/n if possible.
1674         (call_valuei_tbr_rel): New.
1675         (call_valuei_pcrel): Add condition for SH2A target.
1676         (call_value): Likewise.
1677         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1678         (sh2a_get_function_vector_number): Likewise.
1679         (sh2a_is_function_vector_call): Likewise.
1680         * doc/extend.texi: Document TBR relative addressing of SH2A.
1681         (resbank): Add description for SH2A.
1682
1683 2008-03-24  Richard Guenther  <rguenther@suse.de>
1684
1685         PR c/22371
1686         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1687         pointer assignments change conversions according to middle-end rules.
1688         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1689         * configure.ac: Include type checking in yes.
1690         * configure: Regenerate.
1691
1692 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1693
1694         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1695         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1696         
1697 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1698
1699         * gthr-vxworks.h (UNUSED): Define.
1700
1701 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1702
1703         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1704
1705 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1706
1707         * doc/extend.texi (Function Attributes): Add missing comma in the
1708         example of the "alloc_size" attribute.
1709         
1710 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1711
1712         Revert:
1713         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1714
1715         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1716         32bit host.
1717
1718         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1719
1720         PR target/35496
1721         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1722         of the underlying type of a MS bitfield layout to the natural
1723         alignment of the type.
1724
1725         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1726
1727         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1728         to their natural alignment to avoid store forwarding stalls.
1729
1730 2008-03-22  Richard Guenther  <rguenther@suse.de>
1731
1732         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1733         For PHI nodes verify the address is invariant.
1734         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1735         (get_symbol_constant_value): Use is_gimple_min_invariant.
1736         (maybe_fold_stmt_indirect): Likewise.
1737
1738 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1739
1740         PR rtl-optimization/33927
1741         * Makefile.in (dse.o): Depend on $(TM_P_H).
1742         * expr.h (extract_low_bits): Declare.
1743         * expmed.c (extract_low_bits): New function.
1744         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1745         * dse.c: Include tm_p.h.
1746         (find_shift_sequence): Remove the read_reg argument and return the
1747         read value.  Emit the instructions instead of returning them.
1748         Iterate on new_mode rather than calculating it each time.
1749         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1750         source to NEW_MODE and extract_low_bits to convert the shifted
1751         value to READ_MODE.
1752         (replace_read): Allow the load and store to have different mode
1753         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1754         or extraction instructions before trying the replacement.  Update
1755         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1756
1757 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1758
1759         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1760         to their natural alignment to avoid store forwarding stalls.
1761
1762 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1763
1764         PR target/27946
1765         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1766         encouraging but not allowing gprs for input;
1767         change the input constraint to !f#r.
1768         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1769         gprs for output;
1770         change the output constraint to !f#r.
1771
1772 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1773
1774         PR target/13958
1775         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1776         corresponding post-reload splitters.
1777         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1778         when x87 FP math is selected.
1779         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1780         New function prototype.
1781         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1782         unreachable function to ease macroization of insn patterns.
1783
1784 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1785
1786         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1787         reference dumps if ddr is NULL or dependence is unknown.
1788
1789 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1790
1791         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1792         unsigned extension into account.
1793         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1794         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1795         Do computations on a scratch register.
1796
1797 2008-03-21  Richard Guenther  <rguenther@suse.de>
1798
1799         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1800         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1801         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1802         * tree-ssa-dom.c (record_equality): Likewise.
1803         * tree-inline.c (copy_body_r): Likewise.
1804         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1805         TREE_INVARIANT.
1806
1807 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1808
1809         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1810         as 'delete_unused' argument.
1811
1812 2008-03-20  Richard Guenther  <rguenther@suse.de>
1813
1814         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1815         special casing of constant qualifiers.
1816         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1817         care about them in general.
1818         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1819         regardless of their type.
1820         (fold_stmt_r): Forcefully fold *& if we end up with that.
1821
1822 2008-03-20  Paul Brook  <paul@codesourcery.com>
1823
1824         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1825         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1826         linker flags.
1827         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1828         definition.
1829         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1830         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1831
1832 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1833
1834         * common.opt (Wmudflap): New option.
1835         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1836         (mx_register_decls): Likewise.
1837         (mudflap_finish_file): Likewise.
1838         * doc/invoke.texi: Document -Wno-mudflap.
1839
1840 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1841
1842         * c-format.c (replace_format_name_to_system_name): New.
1843         (cmp_attribs): New.
1844         (convert_format_name_to_system_name): New.
1845         (decode_format_attr): Add use of convert_format_name_to_system_name.
1846         (format_types_orig): Add gnu_ prefix to names.
1847         (check_format_info_main): Special treating of \0 escaped names for
1848         supporting multi-character format specifiers as I32, I64.
1849         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1850         (gnu_target_overrides_format_attributes): New.
1851         * c-format.h: Add structure target_ovr_attr to hold
1852         system specific formatter names.
1853         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1854         msformat-c.o file to c_target_objs and cxx_target_objs.
1855         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1856         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1857         (TARGET_N_FORMAT_TYPES): New.
1858         * config/i386/msformat-c.c: New.
1859         * config/i386/t-cygming: Add build rule for msformat-c.o.
1860         * doc/extend.texi: Add new format names gnu_* and ms_* and
1861         further details.
1862         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1863
1864 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1865
1866         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1867         optimizations turned on under -O3.
1868         (ftree-vectorize): Add that the flag is turned on with -O3.
1869
1870 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1871
1872         * regmove.c (try_auto_increment): Fix spelling error in comment.
1873         * final.c (final_scan_insn): Likewise.
1874
1875 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1876
1877         PR target/14552
1878         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1879         allocator preferences for "y" and "r" class registers.
1880         ("*mov<mode>_internal"): Ditto.
1881         ("*movv2sf_internal_rex64"): Ditto.
1882         ("*movv2sf_internal"): Ditto.
1883
1884 2008-03-19  Michael Matz  <matz@suse.de>
1885
1886         PR middle-end/35616
1887         * calls.c (expand_call): Check overlap of arguments with call
1888         address for sibcalls.
1889
1890 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1891
1892         PR target/35496
1893         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1894         of the underlying type of a MS bitfield layout to the natural
1895         alignment of the type.
1896
1897 2008-03-19  Jan Hubicka  <jh@suse.cz>
1898
1899         PR other/35094
1900         * toplev.c (decode_d_option): Handle all CPP flags.
1901         * tree-vrp.c: Update tree_pass descriptors.
1902         * regrename.c: Update tree_pass descriptors.
1903         * fwprop.c: Update tree_pass descriptors.
1904         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1905         * tree-into-ssa.c: Update tree_pass descriptors.
1906         * tree-dump.c: Update tree_pass descriptors.
1907         * tree-complex.c: Update tree_pass descriptors.
1908         * tree-dump.h: Update tree_pass descriptors.
1909         * see.c: Update tree_pass descriptors.
1910         * cgraphbuild.c: Update tree_pass descriptors.
1911         * tracer.c: Update tree_pass descriptors.
1912         * tree-loop-distribution.c: Update tree_pass descriptors.
1913         * cgraph.c: Update tree_pass descriptors.
1914         * postreload-gcse.c: Update tree_pass descriptors.
1915         * postreload.c: Update tree_pass descriptors.
1916         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1917         * tree-tailcall.c: Update tree_pass descriptors.
1918         * tree-pass.h (tree_opt_pass): Rename to ...
1919         (opt_pass) ... this one; add "type" field and remove letter field.
1920         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1921         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1922         all_lowering_passes): Update declaration.
1923         * ipa-cp.c: Update tree_pass descriptors.
1924         * final.c: Update tree_pass descriptors.
1925         * omp-low.c: Update tree_pass descriptors.
1926         * tree-ssa-dse.c: Update tree_pass descriptors.
1927         * ipa-reference.c: Update tree_pass descriptors.
1928         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1929         * auto-inc-dec.c: Update tree_pass descriptors.
1930         * reorg.c: Update tree_pass descriptors.
1931         * cgraphunit.c: Update tree_pass descriptors.
1932         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1933         * tree-ssa-ccp.c: Update tree_pass descriptors.
1934         * df-core.c: Update tree_pass descriptors.
1935         * mode-switching.c: Update tree_pass descriptors.
1936         * tree-nomudflap.c: Update tree_pass descriptors.
1937         * modulo-sched.c: Update tree_pass descriptors.
1938         * ipa-pure-const.c: Update tree_pass descriptors.
1939         * cse.c: Update tree_pass descriptors.
1940         * web.c: Update tree_pass descriptors.
1941         * tree-stdarg.c: Update tree_pass descriptors.
1942         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1943         * tree-ssa-dom.c: Update tree_pass descriptors.
1944         * tree-nrv.c: Update tree_pass descriptors.
1945         * tree-ssa-alias.c: Update tree_pass descriptors.
1946         * loop-init.c: Update tree_pass descriptors.
1947         * gimple-low.c: Update tree_pass descriptors.
1948         * ipa-inline.c: Update tree_pass descriptors.
1949         * tree-ssa-sink.c: Update tree_pass descriptors.
1950         * global.c: Update tree_pass descriptors.
1951         * ifcvt.c: Update tree_pass descriptors.
1952         * jump.c: Update tree_pass descriptors.
1953         * predict.c: Update tree_pass descriptors.
1954         * tree-ssa-loop.c: Update tree_pass descriptors.
1955         * recog.c: Update tree_pass descriptors.
1956         * dse.c: Update tree_pass descriptors.
1957         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1958         * tree-eh.c: Update tree_pass descriptors.
1959         * regmove.c: Update tree_pass descriptors.
1960         * local-alloc.c
1961         * function.c: Update tree_pass descriptors.
1962         * tree-vectorizer.c: Update tree_pass descriptors.
1963         * gcse.c: Update tree_pass descriptors.
1964         * ipa-type-escape.c: Update tree_pass descriptors.
1965         * tree-if-conv.c: Update tree_pass descriptors.
1966         * init-regs.c: Update tree_pass descriptors.
1967         * ipa.c: Update tree_pass descriptors.
1968         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1969         * rtl-factoring.c: Update tree_pass descriptors.
1970         * lower-subreg.c: Update tree_pass descriptors.
1971         * bt-load.c: Update tree_pass descriptors.
1972         * tree-dfa.c: Update tree_pass descriptors.
1973         * except.c: Update tree_pass descriptors.
1974         * emit-rtl.c: Update tree_pass descriptors.
1975         * cfgexpand.c: Update tree_pass descriptors.
1976         * tree-cfgcleanup.c: Update tree_pass descriptors.
1977         * cfgcleanup.c: Update tree_pass descriptors.
1978         * tree-ssa-pre.c: Update tree_pass descriptors.
1979         * tree-sra.c: Update tree_pass descriptors.
1980         * tree-mudflap.c: Update tree_pass descriptors.
1981         * tree-ssa-copy.c: Update tree_pass descriptors.
1982         * cfglayout.c: Update tree_pass descriptors.
1983         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1984         * tree-ssa-dce.c: Update tree_pass descriptors.
1985         * tree-ssa.c: Update tree_pass descriptors.
1986         * regclass.c: Update tree_pass descriptors.
1987         * integrate.c: Update tree_pass descriptors.
1988         * tree-optimize.c: Update tree_pass descriptors.
1989         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1990         * tree-object-size.c: Update tree_pass descriptors.
1991         * combine.c: Update tree_pass descriptors.
1992         * tree-outof-ssa.c: Update tree_pass descriptors.
1993         * bb-reorder.c: Update tree_pass descriptors.
1994         * stack-ptr-mod.c: Update tree_pass descriptors.
1995         * var-tracking.c: Update tree_pass descriptors.
1996         * tree-profile.c: Update tree_pass descriptors.
1997         * tree-vect-generic.c: Update tree_pass descriptors.
1998         * reg-stack.c: Update tree_pass descriptors.
1999         * sched-rgn.c: Update tree_pass descriptors.
2000         * tree-ssa-structalias.c: Update tree_pass descriptors.
2001         * tree-cfg.c: Update tree_pass descriptors.
2002         * passes.c (current_pass): Update declaration.
2003         (finish_optimization_passes): Update.
2004         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
2005         (register_one_dump_file, register_dump_files_1, next_pass_1):
2006         Update arguments.
2007         (init_optimization_passes): Update handling of new types.
2008         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
2009         * ipa-struct-reorg.c: Update tree_pass descriptors.
2010         * tree-ssa-reassoc.c: Update tree_pass descriptors.
2011         * combine-stack-adj.c: Update tree_pass descriptors.
2012         * cfgrtl.c: Update tree_pass descriptors.
2013         * dce.c: Update tree_pass descriptors.
2014         * tree-ssanames.c: Update tree_pass descriptors.
2015
2016 2008-03-19  Richard Guenther  <rguenther@suse.de>
2017
2018         PR middle-end/35609
2019         * tree-ssa.c (walk_data): New structure.
2020         (warn_uninitialized_var): If not always_executed warn with "maybe"
2021         instead of "is".
2022         (execute_early_warn_uninitialized): Compute post-dominators.
2023         Initialize always_executed before processing each basic block.
2024
2025 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
2026
2027         PR target/35504
2028         * config/i386/i386.c (x86_this_parameter): Calculate correct location
2029         of "this" pointer when "regparm = N" or "fastcall" is in effect.
2030
2031 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2032
2033         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
2034
2035 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
2036
2037         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
2038         is true.
2039         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
2040         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
2041         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
2042         target after ignore has been set, and move there also the commputation
2043         of subtarget and original_target.
2044         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
2045         (LANG_HOOKS_INITIALIZER): Remove it.
2046         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
2047
2048 2008-03-18  Richard Guenther  <rguenther@suse.de>
2049
2050         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
2051         found an expression with constants, note that in the VN for the lhs.
2052         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
2053         fold them to constants if possible.  Run cleanup_cfg if done so.
2054         (execute_pre): Return todo.
2055         (do_pre): Likewise.
2056         (execute_fre): Likewise.
2057         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
2058         of constants.
2059         (get_prop_source_stmt): Look through pointer conversions.
2060
2061 2008-03-18  Jan Hubicka  <jh@suse.cz>
2062
2063         * tree-pretty-print.c: Include predict.h.
2064         (dump_generic_node): Dump predictor.
2065         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
2066         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
2067         * gimple-low.c (lower_stmt): Likewise.
2068         * expr.c (expand_expr_real): Likewise.
2069         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
2070         them.
2071         (build_predict_expr, build_predict_expr): New.
2072         * predict.h (predictor_name, build_predict_expr): Update.
2073         * c-typeck.c (c_finish_bc_stmt): Add prediction.
2074         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
2075         * predict.def (PRED_CONTINUE): Update hitrate.
2076         * tree.def (PREDICT_EXPR): Define.
2077         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
2078         do not handle BIND_EXPR.
2079         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
2080         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
2081         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
2082         operands.
2083
2084 2008-03-18  Michael Matz  <matz@suse.de>
2085
2086         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
2087
2088 2008-03-18  Richard Guenther  <rguenther@suse.de>
2089
2090         * tree-gimple.h (is_gimple_invariant_address): Declare.
2091         (is_gimple_constant): Likewise.
2092         * tree-gimple.c (is_gimple_constant): New function.
2093         (is_gimple_invariant_address): Likewise.
2094         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
2095         and is_gimple_invariant_address.
2096         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
2097         previous change.
2098         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
2099         an addressable base.
2100
2101 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
2102
2103         PR middle-end/35611
2104         * gimplify.c (gimplify_expr): Gimplify second operand of
2105         OMP_ATOMIC_LOAD.
2106
2107 2008-03-17  Richard Guenther  <rguenther@suse.de>
2108
2109         PR tree-optimization/19637
2110         * fold-const.c (fold_unary): Remove restrictions of removing
2111         intermediate pointer-conversions (P2)(P1)P0.
2112         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
2113         conversion to void pointer.
2114         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
2115
2116 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
2117
2118         PR debug/31510
2119         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
2120         emulated thread local variables.
2121
2122 2008-03-16  Richard Guenther  <rguenther@suse.de>
2123
2124         PR middle-end/35607
2125         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
2126         expand TREE_INVARIANT operations that are not gimple invariant.
2127
2128 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
2129
2130         * doc/extend.texi (Alignment): Say that the ABI controls
2131         the __alignof__ for non-strict-alignment targets rather
2132         than being a recommendation.
2133
2134 2008-03-15  Paul Brook  <paul@codesourcery.com>
2135
2136         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
2137         annotations.
2138         (arm_output_fn_unwind): Mark functions that can not be unwound.
2139
2140 2008-03-15  Paul Brook  <paul@codesourcery.com>
2141
2142         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
2143         extension instructions.
2144
2145 2008-03-15  Richard Guenther  <rguenther@suse.de>
2146
2147         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
2148         and fold constant aggregate refs.
2149         (fold_const_aggregate_ref): Handle string constants
2150         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
2151         (evaluate_stmt): Simplify now that ccp_fold folds constant
2152         aggregate refs.
2153
2154 2008-03-15  Paul Brook  <paul@codesourcery.com>
2155
2156         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
2157         (extzv): Use gen_extzv_t2.
2158         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
2159
2160 2008-03-15  Richard Guenther  <rguenther@suse.de>
2161
2162         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
2163         (fold_const_aggregate_ref): Likewise.
2164         (get_value): Return NULL if we don't have any values.
2165         (ccp_finalize): Set const_val to NULL after freeing it.
2166         * tree-flow.h (get_symbol_constant_value): Declare.
2167         (fold_const_aggregate_ref): Likewise.
2168         * tree-ssa-sccvn.c (try_to_simplify): Use them.
2169
2170 2008-03-15  Richard Guenther  <rguenther@suse.de>
2171
2172         PR middle-end/35593
2173         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
2174         to not produce negative array indices if not allowed.  Add
2175         parameter to indicate that.
2176         (maybe_fold_offset_to_component_ref): Allow negative array
2177         indices only for the first member of a structure.
2178         (maybe_fold_offset_to_reference): Allow negative array indices.
2179         (maybe_fold_stmt_addition): Likewise.
2180
2181 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
2182             Anatoly Sokolov <aesok@post.ru>
2183
2184         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
2185         (avr_arch): Add ARCH_AVR6.
2186         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
2187         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
2188         instead of fixed value 2.
2189         (print_operand_address): Use gs() asm specifier instead of pm().
2190         (avr_assemble_integer): (Ditto.).
2191         (avr_output_addr_vec_elt): (Ditto.).
2192         (print_operand): Handle "!" code.
2193         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
2194         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
2195         (AVR_HAVE_EIJMP_EICALL): Define.
2196         (AVR_3_BYTE_PC): Redefine.
2197         (AVR_2_BYTE_PC): (Ditto.).
2198         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
2199         (LINK_SPEC): Add atmega2560 and atmega2561.
2200         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
2201         (crtm2561.o).
2202         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
2203         for 3 byte PC devices.
2204         (call_value_insn): (Ditto.).
2205         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
2206         (indirect_jump): Use only for for 2 byte PC devices.
2207         (*tablejump): (Ditto.).
2208         (*indirect_jump_avr6): Add insn.
2209         (*tablejump_rjmp): Don't use for 3 byte PC devices.
2210         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
2211         instead of ijmp for 3 byte PC devices.
2212         (__tablejump2__): (Ditto.).
2213         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
2214         (MULITLIB_DIRNAMES): (Ditto.). 
2215         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
2216
2217 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
2218
2219         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
2220         "sse2_umulsidi3".  Use V1DI mode for operand 0.
2221         ("mmx_psadbw"): Use V1DI mode for operand 0.
2222         * config/i386/i386-modes.def (V1SI): New vector mode.
2223         * config/i386/i386.c (struct builtin_description)
2224         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
2225         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
2226         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
2227         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
2228         v1di_ftype_v8qi_v8qi type.
2229         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
2230
2231         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
2232         __builtin_ia32_pmuludq]: Fix the mode of return value.
2233
2234 2008-03-15  Richard Guenther  <rguenther@suse.de>
2235
2236         PR middle-end/35595
2237         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
2238         being a PHI_NODE.
2239
2240 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
2241         
2242         * doc/invoke.texi (Option Summary, Xtensa Options): Document
2243         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
2244         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
2245         unless TARGET_SERIALIZE_VOLATILE is enabled.
2246         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
2247         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
2248         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
2249
2250 2008-03-14  Richard Guenther  <rguenther@suse.de>
2251
2252         PR tree-optimization/34172
2253         * tree-flow.h (refs_may_alias_p): Declare.
2254         (get_single_def_stmt): Likewise.
2255         (get_single_def_stmt_from_phi): Likewise.
2256         (get_single_def_stmt_with_phi): Likewise.
2257         * tree-dfa.c (refs_may_alias_p): New function.
2258         (get_single_def_stmt): Likewise.
2259         (get_single_def_stmt_from_phi): Likewise.
2260         (get_single_def_stmt_with_phi): Likewise.
2261         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
2262         (vn_reference_lookup_1): New helper function.
2263         (vn_reference_lookup): Walk the virtual use-def chain to
2264         continue searching for a match if the def does not alias the
2265         reference we are looking for.
2266
2267 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
2268
2269         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
2270         archive and Perzl.  Update The Written Word listing.
2271
2272 2008-03-14  Richard Guenther  <rguenther@suse.de>
2273
2274         PR tree-optimization/34043
2275         PR tree-optimization/33989
2276         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
2277         when doing FRE.
2278         (bitmap_find_leader): Use extra argument to verify dominance
2279         relationship inside a basic-block.
2280         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
2281         (find_leader_in_sets): Adjust.
2282         (create_component_ref_by_pieces): Take extra argument for
2283         dominance check, handle lookup failures.
2284         (find_or_generate_expression): Likewise.
2285         (create_expression_by_pieces): Likewise.
2286         (insert_into_preds_of_block): Adjust.
2287         (create_value_expr_from): If asked for, verify all operands
2288         are in the blocks AVAIL_OUT set.
2289         (make_values_for_stmt): Check for SSA_NAMEs that are life
2290         over an abnormal edge.
2291         (compute_avail): Remove such check.
2292         (do_SCCVN_insertion): New function.
2293         (eliminate): If we do not find a leader suitable for replacement
2294         insert a replacement expression from SCCVN if available.
2295         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
2296         (struct vn_ssa_aux): Add needs_insertion flag.
2297         * tree-ssa-sccvn.c (may_insert): New global flag.
2298         (copy_reference_ops_from_ref): Value-number union member access
2299         based on its size, not type and member if insertion is allowed.
2300         (visit_reference_op_load): For a weak match from union type
2301         punning lookup a view-converted value and insert a SSA_NAME
2302         for that value if that is not found.
2303         (visit_use): Make dumps shorter.  Do not disallow value numbering
2304         SSA_NAMEs that are life over an abnormal edge to constants.
2305         (free_scc_vn): Release inserted SSA_NAMEs.
2306         (run_scc_vn): New flag to specify whether insertion is allowed.
2307         Process SSA_NAMEs in forward order.
2308         * tree-ssa-loop-im.c (for_each_index): Handle invariant
2309         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
2310         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
2311         pointer type to/from integral types that do not change the
2312         precision to regular conversions.
2313
2314 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
2315
2316         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2317         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2318         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
2319         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
2320         input arguments and the mode of return value.  Built-in functions
2321         that operate on whole 64-bit MMX register now use V1DI mode.
2322
2323 2008-03-13  Alon Dayan  <alond@il.ibm.com>
2324             Olga Golovanevsky  <olga@il.ibm.com>
2325
2326         PR tree-optimization/35041
2327         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
2328         to locate the right position in a statement.
2329
2330 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
2331
2332         PR target/34000
2333         PR target/35553
2334         * config/i386/xmmintrin.h:  Change all static inline functions to
2335         extern inline and add __gnu_inline__ attribute.
2336         * config/i386/bmintrin.h: Ditto.
2337         * config/i386/smmintrin.h: Ditto.
2338         * config/i386/tmmintrin.h: Ditto.
2339         * config/i386/mmintrin-common.h: Ditto.
2340         * config/i386/ammintrin.h: Ditto.
2341         * config/i386/emmintrin.h: Ditto.
2342         * config/i386/pmmintrin.h: Ditto.
2343         * config/i386/mmintrin.h: Ditto.
2344         * config/i386/mm3dnow.h: Ditto.
2345
2346 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
2347
2348         PR middle-end/35185
2349         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
2350         (lower_omp_2): New function.
2351         (lower_omp_1, lower_omp): Rewritten.
2352
2353 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
2354
2355         PR 35054
2356         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
2357         with the phrase "Microsoft Windows compilers".
2358         (Push/Pop Macro Pragmas): New subsection. Document
2359         #pragma push_macro and pragma pop_macro.
2360
2361 2008-03-12  Paul Brook  <paul@codesourcery.com>
2362
2363         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
2364
2365 2008-03-12  Paul Brook  <paul@codesourcery.com>
2366
2367         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
2368         (thumb2_alusi3_short): Exclude PLUS and MINUS.
2369         (thumb2_addsi_shortim): Rename ...
2370         (thumb2_addsi_short): ... to this.  Allow register operands.
2371         (thumb2_subsi_short): New pattern.
2372         (thumb2_one_cmplsi2_short,
2373         thumb2_negsi2_short): New patterns and peepholes.
2374
2375 2008-03-12  Paul Brook  <paul@codesourcery.com>
2376
2377         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
2378
2379 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
2380
2381         * config/i386/i386.md (int_cond): New code iterator.
2382         (fp_cond): Ditto.
2383         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
2384         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
2385         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
2386         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
2387         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
2388         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
2389         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
2390         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
2391
2392 2008-03-12  Paul Brook  <paul@codesourcery.com>
2393
2394         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
2395         instead of {arm,thumb}_compute_save_reg_mask.
2396         (output_return_instruction): Ditto.
2397         (thumb_unexpanded_epilogue): Ditto.
2398         (thumb1_expand_prologue): Ditto.
2399         (thumb1_output_function_prologue): Ditto.
2400         (arm_set_return_address): Ditto.
2401         (thumb_set_return_address): Ditto.
2402         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
2403         regs to achieve stack alignment.
2404         (thumb1_compute_save_reg_mask): Fix compiler warning.
2405         (arm_output_epilogue): Use offsets->saved_regs_mask.
2406         Adjust stack pointer by poping call clobered registers.
2407         (arm_expand_prologue): Use offsets->saved_regs_mask.
2408         Adjust stack pointer by pushing extra registers.
2409         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
2410
2411 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
2412
2413         PR tree-opt/35422
2414         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
2415         conversion to the operands of a multiplication.
2416
2417 2008-03-12  Richard Guenther  <rguenther@suse.de>
2418
2419         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
2420         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
2421         * timevar.def (TV_TREE_PHIPROP): Add.
2422         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
2423         pass description.  Use TV_TREE_PHIPROP.
2424         * tree-ssa-forwprop.c: Remove phiprop code.
2425
2426 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
2427
2428         PR middle-end/35549
2429         * omp-low.c (maybe_lookup_decl): Constify first argument.
2430         (use_pointer_for_field): Change last argument from bool to
2431         omp_context *.  Disallow shared copy-in/out in nested
2432         parallel if decl is shared in outer parallel too.
2433         (build_outer_var_ref, scan_sharing_clauses,
2434         lower_rec_input_clauses, lower_copyprivate_clauses,
2435         lower_send_clauses, lower_send_shared_vars): Adjust callers.
2436
2437 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
2438             Ira Rosen  <irar@il.ibm.com>
2439
2440         * tree-vectorizer.c (free_stmt_vec_info): New function.
2441         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
2442         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
2443         * tree-vectorizer.h (free_stmt_vec_info): Declare.
2444         * tree-vect-transform.c (vectorizable_conversion): Free
2445         vec_oprnds0 if it was allocated.
2446         (vect_permute_store_chain): Remove unused VECs.
2447         (vectorizable_store): Free VECs that are allocated in the..
2448         function.
2449         (vect_transform_strided_load, vectorizable_load): Likewise.
2450         (vect_remove_stores): Simplify the code.
2451         (vect_transform_loop): Move code to vect_remove_stores().
2452         Call vect_remove_stores() and free_stmt_vec_info().
2453
2454 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2455
2456         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
2457         TARGET_HPUX.  Revise comment.
2458         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
2459         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
2460         Use sr4 variant of `be' instruction when not generating PIC code.
2461         (attr_length_call): Adjust for above change.
2462
2463 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2464
2465         * ipa-reference.c (static_execute): Remove module_statics_const and
2466         associated setting code.
2467
2468 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2469
2470         PR target/35540
2471         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2472         predicate for operand 1.
2473         (paritysi2_cmp): Use register_operand predicate for operand 2.
2474         Use earlyclobber modifier for operand 1.  Remove support for
2475         memory operands.
2476         (paritydi2_cmp): Use register_operand predicate for operand 3.
2477         Use earlyclobber modifier for operand 1.  Remove support for
2478         memory operands.
2479
2480 2008-03-11  Paul Brook  <paul@codesourcery.com>
2481             Vladimir Prus  <vladimir@codesourcery.com>
2482
2483         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2484         (arm_compute_save_reg0_reg12_mask): Always
2485         check if register 11 must be saved.  Always safe hard frame pointer
2486         when frame_pointer_needeed.
2487         (arm_compute_save_reg_mask): Save IP and PC
2488         only with apcs frames.
2489         (arm_output_epilogue): Adjust Thumb2 codepath to
2490         be also invoked and work for ARM non-apcs frames.
2491         (arm_expand_prologue): Don't bother saving IP
2492         for non-apcs frame, since it's not clobbered by
2493         prologue code.  Implement non-apcs frame
2494         layout.
2495
2496 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2497
2498         PR rtl-optimization/35281
2499         * expr.c (convert_move): Use a new pseudo for the intermediate
2500         from_mode->word_mode result.
2501
2502 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2503
2504         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2505         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2506         * toplev.c (compile_file): Don't call it.
2507
2508 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2509
2510         PR middle-end/35526
2511         * expr.c (store_expr): Call emit_block_move if the mode
2512         of "temp" RTX is BLKmode.
2513
2514 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2515             Richard Guenther  <rguenther@suse.de>
2516
2517         PR tree-optimization/31358
2518         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2519         the step with a NULL_TREE.
2520         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2521         to sizetype if type is a pointer type.
2522         (add_candidate_1): Don't convert the base and step to
2523         the generic type if the orginal type is a pointer type.
2524         (add_iv_value_candidates): Use sizetype for the step
2525         if type is a pointer type.
2526         (cand_value_at): Likewise.
2527         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2528         for pointer types.
2529         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2530         Don't convert the tem affine to the type.
2531         (add_elt_to_tree): Use sizetype for the step if a pointer.
2532         Use POINTER_PLUS_EXPR for pointers.
2533         (aff_combination_to_tree): Use sizetype for the step if a
2534         pointer.
2535
2536 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
2537
2538         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2539         Remove commutativity hint.
2540
2541 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
2542
2543         PR c/35438
2544         PR c/35439
2545         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2546         errorneous type.  Check that v is a VAR_DECL.
2547
2548         PR middle-end/35099
2549         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2550
2551 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
2552
2553         PR tree-optimization/35494
2554         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2555         may be overriden at link and run time.
2556
2557 2008-03-10  Richard Guenther  <rguenther@suse.de>
2558
2559         PR tree-optimization/34677
2560         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2561         (poolify_tree): Likewise.
2562         (modify_expr_template): Likewise.
2563         (poolify_modify_stmt): Likewise.
2564         (insert_fake_stores): Handle all component-ref style stores
2565         in addition to INDIRECT_REF.  Also handle complex types.
2566         Do not poolify the inserted load.
2567         (realify_fake_stores): Do not rebuild the tree but only
2568         make it a SSA_NAME copy.
2569         (init_pre): Remove initialzation of modify_expr_template.
2570         Do not allocate modify_expr_node_pool.
2571         (fini_pre): Do not free modify_expr_node_pool.
2572
2573 2008-03-10  Paul Brook  <paul@codesourcery.com>
2574
2575         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2576         to avoid conflicts.
2577
2578 2008-03-10  Paul Brook  <paul@codesourcery.com>
2579             Mark Shinwell  <shinwell@codesourcery.com>
2580
2581         * config/arm/cortex-r4.md: New.
2582         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2583         insn attributes.
2584         * config/arm/arm.md: Include cortex-r4.md.
2585         (insn): Add smmls, sdiv and udiv values.
2586         (generic_sched): Don't use generic scheduling for Cortex-R4.
2587         (arm_issue_rate): New function.
2588         (TARGET_SCHED_ISSUE_RATE): Define.
2589
2590 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2591
2592         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2593
2594 2008-03-10  Richard Guenther  <rguenther@suse.de>
2595
2596         * tree-ssa-pre.c (get_sccvn_value): Simplify.
2597         (compute_avail): Do not add stmt uses to AVAIL_OUT.
2598
2599 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
2600
2601         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2602         Set default to true.
2603
2604 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2605
2606         * c.opt (Wsynth): Deprecate.
2607         * doc/invoke.texi (Option Summary, Warning Options): Document
2608         -Wno-format-contains-nul.
2609
2610 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
2611
2612         PR target/35496
2613         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2614         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2615
2616 2008-03-09  Ira Rosen  <irar@il.ibm.com>
2617
2618         * config/rs6000/rs6000.c (builtin_description): Rename vector
2619         left shift operations.
2620         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2621         (altivec_vsl<VI_char>): Rename to ...
2622         (ashl<mode>3): ... new name.
2623         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2624         gen_ashlv4si3.
2625         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2626
2627 2008-03-08  Richard Guenther  <rguenther@suse.de>
2628
2629         * coverage.h (tree_coverage_counter_addr): Declare.
2630         * coverage.c (tree_coverage_counter_addr): New function.
2631         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2632         before using again.
2633         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2634         (tree_gen_one_value_profiler): Likewise.
2635         (tree_gen_ic_profiler): Likewise.
2636         (tree_gen_average_profiler): Likewise.
2637         (tree_gen_ior_profiler): Likewise.
2638
2639 2008-03-08  Richard Guenther  <rguenther@suse.de>
2640
2641         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2642         (vn_binary_op_insert): Likewise.
2643         (vn_unary_op_lookup): Likewise.
2644         (vn_unary_op_insert): Likewise.
2645         (vn_nary_op_lookup): Declare.
2646         (vn_nary_op_insert): Likewise.
2647         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2648         and binary hashes, use a single obstack for unary_op_pool
2649         and binary_op_pool.
2650         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2651         a single struct vn_nary_op_s.  Store tree code length and
2652         a variable number of operands.
2653         (struct vn_reference_op_struct): Remove unused op2.
2654         (vn_reference_op_eq): Do not compare op2.
2655         (vn_reference_op_compute_hash): Do not compute hash of op2.
2656         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2657         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2658         with vn_nary_op_compute_hash.
2659         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2660         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2661         vn_nary_op_lookup.
2662         (vn_unary_op_insert, vn_binary_op_insert): Replace with
2663         vn_nary_op_insert.
2664         (visit_unary_op): Call nary functions.
2665         (visit_binary_op): Likewise.
2666         (process_scc): Adjust for struct vn_tables_s changes.
2667         (allocate_vn_table): Likewise.
2668         (free_vn_table): Likewise.
2669         * tree-vn.c (vn_add): Call nary functions.
2670         (vn_lookup): Likewise.
2671
2672 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2673
2674         PR target/35498
2675         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2676         wdst back after sync_compare_and_swapqhi_internal.
2677
2678 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2679
2680         PR target/22152
2681         * config/i386/i386-modes.def (V1DI): New vector mode.
2682         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2683         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2684         (MMXMODE248): Ditto.
2685         (MMXMODE): Add V1DI mode.
2686         (mmxvecsize): Change DI mode to V1DI mode.
2687         ("mov<mode>): Use MMXMODEI8 mode iterator.
2688         ("*mov<mode>_internal_rex64"): Ditto.
2689         ("*mov<mode>_internal"): Ditto.
2690         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2691         ("mmx_sub<mode>3"): Ditto.
2692         ("mmx_adddi3"): Remove insn pattern.
2693         ("mmx_subdi3"): Ditto.
2694         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2695         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2696         ("mmx_ashl<mode>3"): Ditto.
2697         ("mmx_lshrdi3"): Remove insn pattern.
2698         ("mmx_ashldi3"): Ditto.
2699         * config/i386/i386.c (classify_argument): Handle V1DImode.
2700         (function_arg_advance_32): Ditto.
2701         (function_arg_32): Ditto.
2702         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2703         mmx_addv1di3 insn pattern.
2704         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2705         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2706         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2707         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2708         Remove definitions of built-in functions.
2709         (V1DI_type_node): New node.
2710         (v1di_ftype_v1di_int): Ditto.
2711         (v1di_ftype_v1di_v1di): Ditto.
2712         (v2si_ftype_v2si_si): Ditto.
2713         (v4hi_ftype_v4hi_di): Remove node.
2714         (v2si_ftype_v2si_di): Ditto.
2715         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2716         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2717         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2718         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2719         Add new builtins using def_builtin_const.
2720         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2721         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2722         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2723         * config/i386/mmintrin.h (__v1di): New typedef.
2724         (_mm_add_si64): Cast arguments to __v1di type.
2725         (_mm_sub_si64): Ditto.
2726         (_mm_sll_pi16): Cast __count to __v4hi type.
2727         (_mm_sll_pi32): Cast __count to __v2si type.
2728         (_mm_sll_si64): Cast arguments to __v1di type.
2729         (_mm_srl_pi16): Cast __count to __v4hi type.
2730         (_mm_srl_pi32): Cast __count to __v2si type.
2731         (_mm_srl_si64): Cast arguments to __v1di type.
2732         (_mm_sra_pi16): Cast __count to __v4hi type.
2733         (_mm_sra_pi32): Cast __count to __v2si type.
2734         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2735         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2736         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2737         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2738         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2739         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2740         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2741         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2742         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2743         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2744         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2745         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2746
2747 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2748
2749         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2750
2751 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2752
2753         PR target/35373
2754         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2755         reg+const addressing for Altivec modes.  Don't generate reg+reg
2756         addressing for TFmode or TDmode quantities.
2757
2758 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2759
2760         * c-common.c (vector_types_convertible_p): Call langhook
2761         instead of comptypes.
2762
2763 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2764
2765         PR tree-opt/35402
2766         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2767         integral and scalar float variables which have a
2768         NULL DECL_INITIAL.
2769
2770 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2771
2772         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2773         dwarf_register_span hook when emitting unwind information for
2774         register-to-memory saves.
2775         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2776         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2777
2778 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2779
2780         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2781         for the same VAR_DECL.
2782
2783 2008-03-06  Tom Tromey  <tromey@redhat.com>
2784
2785         * treelang: Delete.
2786         * doc/standards.texi (Standards): Don't mention treelang.
2787         * doc/invoke.texi (Overall Options): Don't mention treelang.
2788         * doc/install.texi (Prerequisites): Don't mention bison or
2789         treelang.
2790         (Configuration): Don't mention treelang.
2791         (Building): Likewise.
2792         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2793
2794 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2795
2796         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2797         word-extractions out of a multi-word object.
2798
2799 2008-03-06  Richard Guenther  <rguenther@suse.de>
2800
2801         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2802         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2803         result type and precision.
2804         * expr.c (get_inner_reference): Set unsignedp based on the result
2805         type of BIT_FIELD_REF.
2806         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2807         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2808         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2809         for BIT_FIELD_REF.
2810         (sra_build_assignment): Likewise.
2811         (sra_build_elt_assignment): Likewise.
2812         (sra_explode_bitfield_assignment): Likewise.
2813         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2814         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2815         set BIT_FIELD_REF_UNSIGNED.
2816         (vectorizable_load): Likewise.
2817
2818 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2819
2820         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2821         at bb start.
2822
2823 2008-03-06  Richard Guenther  <rguenther@suse.de>
2824
2825         * alias.c (struct alias_set_entry): Move has_zero_child field
2826         to pack with alias_set.
2827
2828 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2829
2830         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2831         32bit host.
2832
2833 2008-03-05  Ian Lance Taylor  <iant@google.com>
2834
2835         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2836
2837 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2838
2839         * fwprop.c (update_df): Support width and offset parameters of
2840         df_ref_create.
2841         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2842         global_conflicts): Change DF_REF_EXTRACT to either
2843         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2844         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2845         * df-scan.c (df_ref_record, df_defs_record,
2846         df_ref_create_structure, df_def_record_1, df_uses_record,
2847         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2848         df_bb_refs_collect, df_entry_block_defs_collect,
2849         df_exit_block_uses_collect): Support new width and offset fields.
2850         (ref_extract_pool): New storage pool.
2851         (df_free_ref): New function.
2852         (df_reg_chain_unlink, df_free_collection_rec,
2853         df_sort_and_compress_refs): Call df_free_ref.
2854         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2855         of df_ref_extract.
2856         (df_ref_create_structure): Allocate df_ref_extract if offset and
2857         width fields are used.
2858         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2859         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2860         and SIGN_EXTRACT.
2861         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2862         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2863         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2864         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2865         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2866         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2867         (df_ref_extract): New structure.
2868         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2869         (df_ref_create): Add width and offset parameters.
2870         
2871 2008-03-05  Richard Guenther  <rguenther@suse.de>
2872
2873         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2874         Use ranges_overlap_p.
2875         (offset_overlaps_with_access): Rename
2876         to ranges_overlap_p and move ...
2877         * tree-flow-inline.h (ranges_overlap_p): ... here.
2878
2879         * tree.h (get_inner_reference, handled_component_p): Update
2880         comments.
2881
2882         * tree.h (record_component_aliases, get_alias_set,
2883         alias_sets_conflict_p, alias_sets_must_conflict_p,
2884         objects_must_conflict_p): Move declarations ...
2885         * alias.h (record_component_aliases, get_alias_set,
2886         alias_sets_conflict_p, alias_sets_must_conflict_p,
2887         objects_must_conflict_p): ... here.
2888         Include coretypes.h.
2889         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2890
2891 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2892
2893         * cfg.c: Include tree-flow.h.
2894         (remove_edge_raw): Call redirect_edge_var_map_clear.
2895         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2896         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2897         (redirect_edge_var_map_result): New.
2898         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2899         PENDING_STMT use with redirect_edge_var_map_*.
2900         * tree-ssa.c (edge_var_maps): New definition.
2901         (redirect_edge_var_map_add): New.
2902         (redirect_edge_var_map_clear): New.
2903         (redirect_edge_var_map_dup): New.
2904         (redirect_edge_var_map_vector): New.
2905         (redirect_edge_var_map_destroy): New.
2906         (ssa_redirect_edge): Replace PENDING_STMT use with
2907         redirect_edge_var_map_*.
2908         (flush_pending_stmts): Same.
2909         (delete_tree_ssa): Destroy edge var map.
2910         * tree-flow.h (struct _edge_var_map): New.
2911         Define edge_var_map vector type.
2912         Declare redirect_edge_var_map_* prototypes.
2913         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2914         * tree-cfg.c (reinstall_phi_args): Replace
2915         PENDING_STMT use with redirect_edge_var_map_*.
2916
2917 2008-03-05  Richard Guenther  <rguenther@suse.de>
2918
2919         PR tree-optimization/35472
2920         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2921         whose single use_stmt has a overlapping set of loaded and
2922         stored symbols as that use_stmt might be a noop assignment then.
2923
2924 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2925
2926         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2927
2928 2008-03-05  Richard Guenther  <rguenther@suse.de>
2929
2930         PR c++/35336
2931         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2932         should be constants.
2933         * tree-cfg.c (verify_expr): Verify it.
2934         * fold-const.c (fold_truthop): Remove code generating
2935         BIT_FIELD_REFs of structure bases.
2936         (fold_binary): Likewise.
2937         (fold_ternary): Position and size of BIT_FIELD_REFs are
2938         always host integers.
2939         (make_bit_field_ref): Remove.
2940         (optimize_bit_field_compare): Remove.
2941         (all_ones_mask_p): Remove.
2942
2943 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2944
2945         PR gcc/33009
2946         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2947         (split_block_and_df_analyze): New. Split basic block and rebuild
2948         dataflow.
2949         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2950         SPLIT_BLOCK.
2951         (split_pattern_seq): Likewise.
2952         (erase_matching_seqs): Likewise.
2953         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2954
2955 2008-03-04  Geoff Keating  <geoffk@apple.com>
2956
2957         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2958         declaration and code.
2959         (tree_invalid_nonnegative_warnv_p): Likewise.
2960
2961 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2962
2963         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2964         examples.  Truncate option-names then causing overfull hbox.
2965
2966 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2967
2968         PR target/35222
2969         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2970         on hpux10.
2971         * configure: Rebuilt.
2972
2973 2008-03-04  Rafael Espindola  <espindola@google.com>
2974
2975         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2976         (tree_unary_nonnegative_warnv_p): New.
2977         (tree_binary_nonnegative_warnv_p): New.
2978         (tree_single_nonnegative_warnv_p): New.
2979         (tree_invalid_nonnegative_warnv_p): New.
2980         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2981
2982 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2983
2984         PR 28322
2985         * opts.c (handle_option): Postpone 'unknown option' errors only for
2986         warning options.
2987
2988 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2989
2990         PR target/35453
2991         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2992         (_SIDD_XXX): This.
2993
2994 2008-03-04  Rafael Espindola  <espindola@google.com>
2995
2996         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2997         (tree_binary_nonzero_warnv_p): New.
2998         (tree_single_nonzero_warnv_p): New.
2999         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
3000
3001 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
3002
3003         PR middle-end/35456
3004         * fold-const.c (fold_cond_expr_with_comparison): Prevent
3005         transformations for modes that have signed zeros.
3006         * ifcvt.c (noce_try_abs): Ditto.
3007
3008 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
3009
3010         * config/i386/i386.c (override_options): Force
3011         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
3012
3013 2008-03-04  Jan Hubicka  <jh@suse.cz>
3014
3015         PR c++/35262
3016         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
3017         in last commit.
3018
3019 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
3020
3021         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
3022         label to probe the stack.
3023
3024 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
3025
3026         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
3027         (__gthr_win32_mutex_destroy): Declare.
3028         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
3029         __gthr_win32_mutex_destroy.
3030         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
3031
3032 2008-03-03  Jan Hubicka  <jh@suse.cz>
3033
3034         PR c++/35262
3035         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
3036         aggressive on inlining cold calls.
3037
3038 2008-03-03  Richard Guenther  <rguenther@suse.de>
3039
3040         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
3041         struct copies into the expression table.
3042         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
3043         (try_to_simplify): Likewise.
3044         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
3045         integral and pointer arguments which do not change the
3046         precision to NOP_EXPRs.
3047         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
3048         VIEW_CONVERT_EXPR case.
3049
3050 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3051
3052         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
3053         defined in a loop at depth 0 is invariant.
3054         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3055         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
3056         be called at loop depth 0.
3057
3058 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
3059
3060         PR driver/35420
3061         * gcc.c (process_command): Update copyright notice dates.
3062         * gcov.c (print_version): Likewise.
3063         * gcov-dump.c (print_version): Likewise.
3064         * mips-tfile.c (main): Likewise.
3065         * mips-tdump.c (main): Likewise.
3066
3067 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3068
3069         PR 24924
3070         * c-common.c (flag_permissive): Delete.
3071         (constant_expression_warnings): Check flags first.
3072         (constant_expression_error): New.
3073         * c-common.h (flag_permissive): Delete.
3074         (constant_expression_error): Declare.
3075         * flags.h (flag_permissive): Declare. Update description.
3076         * diagnostic.c (pedwarn): Update.
3077         (permerror): New.
3078         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
3079         (permissive_error_kind): New.
3080         * toplev.c (flag_permissive): Define. Update description.
3081         * toplev.h (permissive_error_kind): Declare.
3082         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
3083         (pedwarn_c90): Use pedantic_warning_kind.
3084         * c-opts.c (c_common_post_options): flag_permissive does not affect
3085         flag_pedantic_errors.
3086
3087 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
3088
3089         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
3090         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
3091         __absvsi2, __absvDI2): Use unsigned arithmetic.
3092
3093 2008-03-02  Andi Kleen  <ak@suse.de>
3094             Richard Guenther  <rguenther@suse.de>
3095
3096         * struct-equiv.c: Remove file.
3097         * cfg_cleanup.c (condjump_equiv_p): Remove.
3098         * Makefile.in (OBJS-common): Remove struct-equiv.o.
3099         (struct-equiv.o): Remove rule.
3100         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
3101         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
3102         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
3103
3104 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
3105
3106         * ifcvt.c (noce_process_if_block): Try to handle only the then
3107         block if the else block exists but isn't suitable.
3108
3109 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
3110
3111         PR gcc/35063
3112         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
3113         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
3114         regression from previous patch.
3115
3116 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
3117
3118         PR gcc/35063
3119         * gthr.h: Add __gthread_mutex_destroy as a function that must be
3120         implemented.
3121         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
3122         * gthr-single.h (__gthread_mutex_destroy): Likewise.
3123         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
3124         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
3125         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
3126         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
3127         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
3128         (__gthread_mutex_destroy_function): Rename to
3129         __gthread_mutex_destroy.
3130         * gthr-dce.h (__gthread_mutex_destroy): Call
3131         pthread_mutex_destroy.
3132         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
3133         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
3134         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
3135
3136 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
3137
3138         * df-scan.c (df_ref_chain_change_bb): Simplify.
3139         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
3140         set_block_for_insn if there's any change.
3141         * df.h ((df_insn_change_bb): Fix prototype.
3142         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
3143         df_insn_change_bb, don't call set_block_for_insn.
3144         * emit-rtl.c (reorder_insns): Likewise.
3145         * haifa-sched.c (move_insn): Likewise.
3146
3147 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
3148
3149         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
3150
3151 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
3152
3153         * tree-flow-inline.h (next_readonly_imm_use): Return
3154         NULL_USE_OPERAND_P after the end.
3155
3156 2008-03-01  Richard Guenther  <rguenther@suse.de>
3157
3158         PR tree-optimization/35411
3159         * tree-sra.c (sra_build_assignment): Split conversion to
3160         final type to a separate statement if we are not assigning
3161         to a register.
3162
3163 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3164
3165         * fold-const.c (fold_convertible_p): Correct the logic to follow
3166         that in fold_convert().
3167
3168 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
3169
3170         PR c++/35315
3171         * tree-inline.c (build_duplicate_type): When we make a
3172         duplicate type, make it unique in the canonical types system.
3173
3174 2008-02-29  Tom Tromey  <tromey@redhat.com>
3175
3176         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
3177         input_file_stack_history, input_file_stack_restored): Remove.
3178         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3179         * input.h (struct file_stack): Remove.
3180         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3181         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
3182         Likewise.
3183         * diagnostic.h (struct diagnostic_context) <last_module>: Change
3184         type.
3185         (diagnostic_last_module_changed): Add 'map' argument.
3186         (diagnostic_set_last_function): Likewise.
3187         * diagnostic.c (undiagnostic_report_current_module): Iterate using
3188         line map, not input_file_stack.
3189         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
3190
3191 2008-02-29  Paul Brook  <paul@codesourcery.com>
3192
3193         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
3194
3195 2008-02-29  Paul Brook  <paul@codesourcery.com>
3196
3197         * config/arm/ieee754-df.S (muldf3): Use RET macros.
3198
3199 2008-02-29  Richard Guenther  <rguenther@suse.de>
3200
3201         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
3202         vn_lookup_or_add.
3203         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
3204         value for comparing for a store match.
3205         (simplify_unary_expression): Do nothing for SSA_NAMEs.
3206         (try_to_simplify): Do not do a full-blown reference lookup.
3207
3208 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
3209
3210         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
3211         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3212
3213         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
3214
3215 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
3216
3217         * tree-loop-linear.c (try_interchange_loops): Compare memory access
3218         strides against cache sizes.
3219
3220 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
3221
3222         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
3223         constant to fpul.
3224
3225 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
3226
3227         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
3228         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
3229         is smaller than the original promoted value.
3230         (simplify_subreg): If OP is a SUBREG, try to preserve its
3231         SUBREG_PROMOTED_VAR_P information.
3232
3233 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
3234
3235         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
3236         (VN_INFO_GET): Allocate new objects on the obstack.
3237         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
3238         for rpo_numbers_temp, for consistency.
3239         (free_scc_vn): Free the obstack.
3240
3241 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
3242
3243         * doc/invoke.texi: Document -ftree-loop-distribution.
3244         * tree-loop-distribution.c: New.
3245         * tree-pass.h (pass_loop_distribution): New.
3246         * graphds.h (struct graph): Add htab_t indices.
3247         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
3248         * tree-vectorizer.c (rename_variables_in_loop): Extern.
3249         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
3250         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
3251         * tree-data-ref.c (debug_data_dependence_relations): New.
3252         (dump_data_dependence_relation): Also print data references.
3253         (free_data_ref): Extern.
3254         (same_access_functions): Moved...
3255         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
3256         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3257         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
3258         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
3259         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
3260         (stmts_from_loop): Skip LABEL_EXPR.
3261         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
3262         New.
3263         (build_rdg): Initialize rdg->indices htab.
3264         (free_rdg, stores_from_loop, ref_base_address,
3265         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
3266         have_similar_memory_accesses_1, ref_base_address_1,
3267         remove_similar_memory_refs): New.
3268         * tree-data-ref.h: Depend on tree-chrec.h.
3269         (debug_data_dependence_relations, free_data_ref): Declared.
3270         (same_access_functions): ... here.
3271         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
3272         New.
3273         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
3274         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
3275         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
3276         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3277         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
3278         rdg_vertex_for_stmt): Declared.
3279         (struct rdg_edge): Add level.
3280         (RDGE_LEVEL): New.
3281         (free_rdg, stores_from_loop, remove_similar_memory_refs,
3282         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
3283         Declared.
3284         (rdg_has_similar_memory_accesses): New.
3285         * tree-vect-analyze.c: Remove unused static decls.
3286         * lambda.h (dependence_level): New.
3287         * common.opt (ftree-loop-distribution): New.
3288         * tree-flow.h (mark_virtual_ops_in_bb, 
3289         slpeel_tree_duplicate_loop_to_edge_cfg,
3290         rename_variables_in_loop): Declared.
3291         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
3292         (OBJS-common): Add tree-loop-distribution.o.
3293         (tree-loop-distribution.o): New rule.
3294         * tree-cfg.c (mark_virtual_ops_in_bb): New.
3295         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
3296         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
3297
3298 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
3299
3300         PR target/33963
3301         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
3302         other than structures and unions.
3303
3304 2008-02-28  Richard Guenther  <rguenther@suse.de>
3305
3306         Revert:
3307         2008-02-26  Richard Guenther  <rguenther@suse.de>
3308
3309         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3310         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3311         (lookup_decl_from_uid): Declare.
3312         (remove_decl_from_map): Likewise.
3313         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3314         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3315         (decl_for_uid_map): New global hashtable mapping DECL_UID
3316         to the decl tree.
3317         (init_ttree): Allocate it.
3318         (insert_decl_to_uid_decl_map): New helper function.
3319         (make_node_stat): Insert new decls into the map.
3320         (copy_node_stat): Likewise.
3321         (lookup_decl_from_uid): New function.
3322         (remove_decl_from_map): Likewise.
3323         (print_decl_for_uid_map_statistics): New helper.
3324         (dump_tree_statistics): Call it.
3325
3326         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3327         (referenced_var_iterator): Adjust.
3328         (FOR_EACH_REFERENCED_VAR): Adjust.
3329         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3330         (num_referenced_vars): Adjust.
3331         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3332         (first_referenced_var): Remove.
3333         (end_referenced_vars_p): Likewise.
3334         (next_referenced_var): Likewise.
3335         (referenced_var_iterator_set): New helper function.
3336         * tree-dfa.c (referenced_var_lookup): Adjust.
3337         (referenced_var_check_and_insert): Likewise.
3338         (remove_referenced_var): Likewise.
3339         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3340         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3341         (verify_call_clobbering): Likewise.
3342         (verify_memory_partitions): Likewise.
3343         (init_tree_ssa): Allocate bitmap instead of hashtable for
3344         referenced_vars.
3345         (delete_tree_ssa): Adjust.
3346         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3347         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3348         (compute_tag_properties): Likewise.
3349         (set_initial_properties): Likewise.
3350         (find_partition_for): Likewise.
3351         (update_reference_counts): Likewise.
3352         (dump_may_aliases_for): Likewise.
3353         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3354         (add_call_clobber_ops): Likewise.
3355         (add_call_read_ops): Likewise.
3356         (get_asm_expr_operands): Likewise.
3357         * tree-into-ssa.c (dump_decl_set): Likewise.
3358         (update_ssa): Likewise.
3359         * tree-sra.c (scan_function): Likewise.
3360         (decide_instantiations): Likewise.
3361         (scalarize_parms): Likewise.
3362         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3363         (dsa_named_for): Likewise.
3364         * tree-ssa-structalias.c (update_alias_info): Likewise.
3365         (merge_smts_into): Likewise.
3366
3367 2008-02-27  David Daney  <ddaney@avtrex.com>
3368
3369         PR target/34409
3370         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
3371         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
3372         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
3373         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
3374         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
3375
3376 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
3377
3378         PR target/25477
3379         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
3380         (BUILT_IN_NEXTTOWARD): Remove.
3381         (BUILT_IN_NEXTTOWARDF): Ditto.
3382         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
3383         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
3384
3385 2008-02-27  Tom Tromey  <tromey@redhat.com>
3386
3387         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
3388         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
3389
3390 2008-02-27  Jan Beulich  <jbeulich@novell.com>
3391
3392         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
3393         update the respective field on newdecl.
3394
3395 2008-02-27  Revital Eres  <eres@il.ibm.com>
3396
3397         PR rtl-optimization/34999
3398         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
3399         crossing edges that ends with a call insn.
3400         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
3401         call insn and clear the EDGE_CROSSING flag of the crossing edge
3402         when fixing fallthru edges.
3403
3404 2008-02-27  Richard Guenther  <rguenther@suse.de>
3405
3406         PR middle-end/35390
3407         * fold-const.c (fold_unary): Return the correct argument,
3408         converted to the result type.
3409
3410 2008-02-27  Richard Guenther  <rguenther@suse.de>
3411
3412         PR middle-end/34971
3413         * expr.c (expand_expr_real_1): Assert on rotates that operate
3414         on partial modes.
3415         * fold-const.c (fold_binary): Use the types precision, not the
3416         bitsize of the mode if folding rotate expressions.  Build rotates
3417         only for full modes.
3418
3419 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
3420
3421         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
3422         and CPP_PRAGMA_EOL.
3423         * c-pragma.c (pragma_ns_name): New typedef.
3424         (registered_pp_pragmas): New variable.
3425         (c_pp_lookup_pragma): New function.
3426         (c_register_pragma_1): If flag_preprocess_only, do nothing
3427         for non-expanded pragmas, for expanded ones push pragma's
3428         namespace and name into registered_pp_pragmas vector.
3429         (c_invoke_pragma_handler): Register OpenMP pragmas even when
3430         flag_preprocess_only, don't register GCC pch_preprocess
3431         pragma if flag_preprocess_only.
3432         * c-opts.c (c_common_init): Call init_pragma even if
3433         flag_preprocess_only.
3434         * c-pragma.c (c_pp_lookup_pragma): New prototype.
3435         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
3436         cpp_register_pragma if flag_preprocess_only.
3437
3438 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3439
3440         PR c/28800
3441         * c-parser.c (c_parser_translation_unit): Warn for empty
3442         translation unit, not empty source file.
3443
3444 2008-02-26  Paul Brook  <paul@codesourcery.com>
3445
3446         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
3447         operand for Thumb-2.
3448         * config/arm/arm.h (reg_class): Add CORE_REGS.
3449         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
3450         (BASE_REG_CLASS): Use CORE_REGS.
3451         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
3452         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
3453         (REGNO_OK_FOR_INDEX_P): Exclude SP.
3454         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
3455         ARM_REGNO_OK_FOR_INDEX_P.
3456         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
3457         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
3458         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
3459         (ldm/stm peepholes): Ditto.
3460         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
3461         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
3462         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
3463         * config/arm/constraints.md: Enable "k" constraint on ARM.
3464
3465 2008-02-27  Ben Elliston  <bje@au.ibm.com>
3466
3467         * config/rs6000/rs6000.c: Annotate cache line size field in all
3468         instances of struct processor_costs.
3469
3470 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
3471
3472         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3473         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3474         jump_bypass): New counters.
3475         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3476         * dce.c (gate_ud_dce): Same.
3477         (gate_fast_dce): Same.
3478         * dse.c (gate_dse1): New function.
3479         (gate_dse2): New function.
3480         (gate_dse): Merge results of new gate functions.
3481         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3482         (gate_handle_jump_bypass): Add dbg_cnt.
3483         (gate_handle_gcse): Add dbg_cnt.
3484         * ifcvt.c (gate_handle_if_conversion): Same.
3485         (gate_handle_if_after_combine): Same.
3486         (gate_handle_if_after_reload): Same.
3487         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3488
3489 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
3490
3491         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3492         line sizes.
3493         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3494
3495 2008-02-26  Jason Merrill  <jason@redhat.com>
3496
3497         PR c++/35315
3498         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
3499         alone if it's the naming decl for the type's main variant.
3500
3501 2008-02-26  Tom Tromey  <tromey@redhat.com>
3502
3503         * system.h (USE_MAPPED_LOCATION): Poison.
3504         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3505         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3506         (make_goto_expr_edges): Likewise.
3507         (remove_bb): Likewise.
3508         (execute_warn_function_return): Likewise.
3509         * basic-block.h (struct edge_def) <goto_locus>: Change type to
3510         location_t.
3511         * c-common.c (fname_decl): Remove old location code.
3512         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3513         location code.
3514         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3515         variant.
3516         (ASM_INPUT_SOURCE_LOCATION): Likewise.
3517         (gen_rtx_ASM_INPUT): Likewise.
3518         (gen_rtx_ASM_INPUT_loc): Likewise.
3519         (get_rtx_asm_OPERANDS): Remove.
3520         * cfglayout.c (insn_locators_alloc): Remove old location code.
3521         (set_curr_insn_source_location): Likewise.
3522         (curr_insn_locator): Likewise.
3523         * print-tree.c (print_node): Remove old location code.
3524         * tree-mudflap.c (mf_varname_tree): Remove old location code.
3525         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3526         * cfgexpand.c (expand_gimple_cond_expr): Don't use
3527         location_from_locus.
3528         (construct_exit_block): Remove old location code.
3529         * emit-rtl.c (force_next_line_note): Remove old location code.
3530         * profile.c (branch_prob): Remove old location code.
3531         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3532         LOC_LINE): Remove old-location variants.
3533         * langhooks.c (lhd_print_error_function): Remove old location
3534         code.
3535         * configure, config.in: Rebuilt.
3536         * configure.ac (--enable-mapped-location): Remove.
3537         * c-decl.c (c_init_decl_processing): Remove old location code.
3538         (finish_function): Likewise.
3539         * recog.c (decode_asm_operands): Remove old location code.
3540         * c-pch.c (c_common_read_pch): Remove old location code.
3541         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3542         variants.
3543         * gimple-low.c (lower_function_body): Remove old location code.
3544         * toplev.c (unknown_location): Remove.
3545         (push_srcloc): Remove old-location variant.
3546         (process_options): Remove old location code.
3547         (lang_dependent_init): Likewise.
3548         * input.h (UNKNOWN_LOCATION): Move definition.
3549         (location_t): Undeprecate.
3550         (source_locus): Remove.
3551         (location_from_locus): Remove.
3552         (struct location_s): Remove.
3553         Remove all old-location code.
3554         (input_line, input_filename): Remove.
3555         * final.c (final_scan_insn): Remove old location code.
3556         * diagnostic.c (diagnostic_build_prefix): Remove
3557         USE_MAPPED_LOCATION test.
3558         * tree.h (gimple_stmt) <locus>: Now a location_t.
3559         (tree_exp) <locus>: Likewise.
3560         (DECL_IS_BUILTIN): Remove old-location variant.
3561         (annotate_with_file_line, annotate_with_locus): Likewise.
3562         (expr_locus, set_expr_locus): Update.
3563         * tree.c (build1_stat): Remove old location code.
3564         (last_annotated_node): Remove.
3565         (annotate_with_file_line): Remove old-location variant.
3566         (annotate_with_locus): Likewise.
3567         (expr_location): Remove old location code.
3568         (set_expr_location): Likewise.
3569         (expr_has_location): Likewise.
3570         (expr_locus): Likewise.
3571         (set_expr_locus): Likewise.
3572         (expr_filename): Don't use location_from_locus.
3573         (expr_lineno): Likewise.
3574         * rtl-error.c (location_for_asm): Remove old location code.
3575         * c-lex.c (cb_line_change): Remove old location code.
3576         (fe_file_change): Likewise.
3577         (cb_def_pragma): Likewise.
3578         (c_lex_with_flags): Likewise.
3579         * gengtype.c (do_typedef): Don't special-case location types.
3580         (define_location_structures): Remove.
3581         (main): Don't call define_location_structures.
3582         * tree-pretty-print.c (dump_implicit_edges): Remove old location
3583         code.
3584
3585 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3586
3587         PR 26264
3588         * builtins.def (BUILT_IN_STDARG_START): Remove.
3589         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3590         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3591         * tree-inline.c (inline_forbidden_p_1): Likewise.
3592         
3593 2008-02-26  Richard Guenther  <rguenther@suse.de>
3594
3595         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3596         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3597         (lookup_decl_from_uid): Declare.
3598         (remove_decl_from_map): Likewise.
3599         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3600         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3601         (decl_for_uid_map): New global hashtable mapping DECL_UID
3602         to the decl tree.
3603         (init_ttree): Allocate it.
3604         (insert_decl_to_uid_decl_map): New helper function.
3605         (make_node_stat): Insert new decls into the map.
3606         (copy_node_stat): Likewise.
3607         (lookup_decl_from_uid): New function.
3608         (remove_decl_from_map): Likewise.
3609         (print_decl_for_uid_map_statistics): New helper.
3610         (dump_tree_statistics): Call it.
3611
3612         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3613         (referenced_var_iterator): Adjust.
3614         (FOR_EACH_REFERENCED_VAR): Adjust.
3615         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3616         (num_referenced_vars): Adjust.
3617         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3618         (first_referenced_var): Remove.
3619         (end_referenced_vars_p): Likewise.
3620         (next_referenced_var): Likewise.
3621         (referenced_var_iterator_set): New helper function.
3622         * tree-dfa.c (referenced_var_lookup): Adjust.
3623         (referenced_var_check_and_insert): Likewise.
3624         (remove_referenced_var): Likewise.
3625         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3626         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3627         (verify_call_clobbering): Likewise.
3628         (verify_memory_partitions): Likewise.
3629         (init_tree_ssa): Allocate bitmap instead of hashtable for
3630         referenced_vars.
3631         (delete_tree_ssa): Adjust.
3632         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3633         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3634         (compute_tag_properties): Likewise.
3635         (set_initial_properties): Likewise.
3636         (find_partition_for): Likewise.
3637         (update_reference_counts): Likewise.
3638         (dump_may_aliases_for): Likewise.
3639         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3640         (add_call_clobber_ops): Likewise.
3641         (add_call_read_ops): Likewise.
3642         (get_asm_expr_operands): Likewise.
3643         * tree-into-ssa.c (dump_decl_set): Likewise.
3644         (update_ssa): Likewise.
3645         * tree-sra.c (scan_function): Likewise.
3646         (decide_instantiations): Likewise.
3647         (scalarize_parms): Likewise.
3648         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3649         (dsa_named_for): Likewise.
3650         * tree-ssa-structalias.c (update_alias_info): Likewise.
3651         (merge_smts_into): Likewise.
3652
3653 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3654
3655         PR 34351
3656         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3657         * c-opts.c (c_common_handle_option): Wall enables
3658         Wvolatile-register-var.
3659         * common.opt: Move Wvolatile-register-var to...
3660         * c.opt: ...here.
3661         
3662 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3663
3664         * common.opt (Wlarger-than=): New.
3665         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3666         -Wlarger-than=.
3667         * opts.c (common_handle_option): Handle -Wlarger-than=.
3668         * optc-gen.awk: Likewise.
3669         * opth-gen.awk: Likewise.
3670         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3671         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3672         
3673 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3674
3675         * c-common.c (match_case_to_enum_1): Add appropriate
3676         OPT_W* parameter to warning.
3677         (c_do_switch_warnings): Likewise.
3678         * c-typeck.c (warning_init): Add one more parameter following
3679         'warning' function.
3680         (push_init_level): Update call to warning_init.
3681         (pop_init_level): Likewise.
3682         (add_pending_init): Likewise.
3683         (output_init_element: Likewise.
3684
3685 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3686
3687         PR 28322
3688         * toplev.c (toplev_main): If there are warnings or error, print
3689         errors for ignored options.
3690         * opts.c (ignored_options): New static variable.
3691         (postpone_unknown_option_error): New.
3692         (print_ignored_options): New.
3693         (handle_option): Postpone errors for unknown -Wno-* options.
3694         * opts.h (print_ignored_options): Declare.
3695         
3696 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
3697
3698         * config/mips/mips.md (loadgp_blockage, blockage): Change type
3699         to "ghost".
3700
3701 2008-02-25  Richard Guenther  <rguenther@suse.de>
3702
3703         Revert:
3704         2008-02-25  Richard Guenther  <rguenther@suse.de>
3705
3706         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3707         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3708         (lookup_decl_from_uid): Declare.
3709         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3710         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3711         (decl_for_uid_map): New global hashtable mapping DECL_UID
3712         to the decl tree.
3713         (init_ttree): Allocate it.
3714         (insert_decl_to_uid_decl_map): New helper function.
3715         (make_node_stat): Insert new decls into the map.
3716         (copy_node_stat): Likewise.
3717         (lookup_decl_from_uid): New function.
3718         (print_decl_for_uid_map_statistics): New helper.
3719         (dump_tree_statistics): Call it.
3720
3721         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3722         (referenced_var_iterator): Adjust.
3723         (FOR_EACH_REFERENCED_VAR): Adjust.
3724         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3725         (num_referenced_vars): Adjust.
3726         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3727         (first_referenced_var): Remove.
3728         (end_referenced_vars_p): Likewise.
3729         (next_referenced_var): Likewise.
3730         (referenced_var_iterator_set): New helper function.
3731         * tree-dfa.c (referenced_var_lookup): Adjust.
3732         (referenced_var_check_and_insert): Likewise.
3733         (remove_referenced_var): Likewise.
3734         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3735         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3736         (verify_call_clobbering): Likewise.
3737         (verify_memory_partitions): Likewise.
3738         (init_tree_ssa): Allocate bitmap instead of hashtable for
3739         referenced_vars.
3740         (delete_tree_ssa): Adjust.
3741         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3742         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3743         (compute_tag_properties): Likewise.
3744         (set_initial_properties): Likewise.
3745         (find_partition_for): Likewise.
3746         (update_reference_counts): Likewise.
3747         (dump_may_aliases_for): Likewise.
3748         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3749         (add_call_clobber_ops): Likewise.
3750         (add_call_read_ops): Likewise.
3751         (get_asm_expr_operands): Likewise.
3752         * tree-into-ssa.c (dump_decl_set): Likewise.
3753         (update_ssa): Likewise.
3754         * tree-sra.c (scan_function): Likewise.
3755         (decide_instantiations): Likewise.
3756         (scalarize_parms): Likewise.
3757         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3758         (dsa_named_for): Likewise.
3759         * tree-ssa-structalias.c (update_alias_info): Likewise.
3760         (merge_smts_into): Likewise.
3761
3762 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3763
3764         PR fortran/29549
3765         * doc/invoke.texi (-fcx-limited-range): Document new option.
3766         * toplev.c (process_options): Handle -fcx-fortran-rules.
3767         * common.opt: Add documentation for -fcx-fortran-rules.
3768
3769 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3770
3771         PR c/35162
3772         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3773         actual behaviour and C99.
3774         
3775 2008-02-26  Ben Elliston  <bje@au.ibm.com>
3776
3777         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3778         (ASM_CPU_POWER6_SPEC): Likewise.
3779         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3780         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3781         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3782
3783 2008-02-25  Richard Guenther  <rguenther@suse.de>
3784
3785         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3786         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3787         (lookup_decl_from_uid): Declare.
3788         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3789         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3790         (decl_for_uid_map): New global hashtable mapping DECL_UID
3791         to the decl tree.
3792         (init_ttree): Allocate it.
3793         (insert_decl_to_uid_decl_map): New helper function.
3794         (make_node_stat): Insert new decls into the map.
3795         (copy_node_stat): Likewise.
3796         (lookup_decl_from_uid): New function.
3797         (print_decl_for_uid_map_statistics): New helper.
3798         (dump_tree_statistics): Call it.
3799
3800         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3801         (referenced_var_iterator): Adjust.
3802         (FOR_EACH_REFERENCED_VAR): Adjust.
3803         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3804         (num_referenced_vars): Adjust.
3805         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3806         (first_referenced_var): Remove.
3807         (end_referenced_vars_p): Likewise.
3808         (next_referenced_var): Likewise.
3809         (referenced_var_iterator_set): New helper function.
3810         * tree-dfa.c (referenced_var_lookup): Adjust.
3811         (referenced_var_check_and_insert): Likewise.
3812         (remove_referenced_var): Likewise.
3813         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3814         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3815         (verify_call_clobbering): Likewise.
3816         (verify_memory_partitions): Likewise.
3817         (init_tree_ssa): Allocate bitmap instead of hashtable for
3818         referenced_vars.
3819         (delete_tree_ssa): Adjust.
3820         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3821         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3822         (compute_tag_properties): Likewise.
3823         (set_initial_properties): Likewise.
3824         (find_partition_for): Likewise.
3825         (update_reference_counts): Likewise.
3826         (dump_may_aliases_for): Likewise.
3827         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3828         (add_call_clobber_ops): Likewise.
3829         (add_call_read_ops): Likewise.
3830         (get_asm_expr_operands): Likewise.
3831         * tree-into-ssa.c (dump_decl_set): Likewise.
3832         (update_ssa): Likewise.
3833         * tree-sra.c (scan_function): Likewise.
3834         (decide_instantiations): Likewise.
3835         (scalarize_parms): Likewise.
3836         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3837         (dsa_named_for): Likewise.
3838         * tree-ssa-structalias.c (update_alias_info): Likewise.
3839         (merge_smts_into): Likewise.
3840
3841 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3842
3843         PR target/35258
3844         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3845         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3846         * alias.h (nonoverlapping_memrefs_p): Likewise.
3847
3848 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3849
3850         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3851         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3852         __emultls_get_address, __emultls_register_common,
3853         __floatundi?f, and _Unwind_GetIPInfo.
3854         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3855         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3856         (gen_regparm_prefix): Likewise.
3857         (i386_nlm_encode_section_info): Sync with
3858         config/i386/winnt.c:i386_pe_encode_section_info().
3859         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3860         i386_nlm_mangle_decl_assembler_name): New.
3861         (netware_override_options): New.
3862         * config/i386/netware.h (netware_override_options): Declare.
3863         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3864         (i386_nlm_mangle_decl_assembler_name): Declare.
3865         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3866
3867 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3868
3869         PR other/32948
3870         * c-decl.c (grokdeclarator): Remove unused local variables
3871         `typedef_type' and `type_as_written'.
3872         * bb-reorder.c
3873         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3874         unused local variable `has_hot_blocks'.
3875         (fix_crossing_conditional_branches): Remove unused local variable
3876         `prev_bb'.
3877         
3878 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3879
3880         PR middle-end/19984
3881         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3882         using DEF_C99_BUILTIN.
3883         (BUILT_IN_NANF): Ditto.
3884         (BUILT_IN_NANL): Ditto.
3885
3886 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3887             Revital Eres  <eres@il.ibm.com>
3888
3889         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3890         regarding the order of two dependent insns in the same row.
3891
3892 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3893
3894         * stor-layout.c (layout_decl): Do not bump the alignment of a
3895         bit-field to more than byte alignment if it is packed.
3896
3897 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3898
3899         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3900         e300c2 and e300c3.
3901
3902 2008-02-24  Diego Novillo  <dnovillo@google.com>
3903
3904         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3905
3906         PR 33738
3907         * tree-vrp.c (vrp_evaluate_conditional): With
3908         -Wtype-limits, emit a warning when comparing against a
3909         constant outside the natural range of OP0's type.
3910         * c.opt (Wtype-limits): Move ...
3911         * common.opt (Wtype-limits): ... here.
3912
3913 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
3914
3915         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3916         * config/rs6000/e300c2c3.md: New file.
3917         * config/rs6000/rs6000.c (processor_costs): Add new costs for
3918         e300c2 and e300c3.
3919         (rs6000_override_options): Add e300c2 and e300c3 cases to
3920         processor_target_table. Do not allow usage of Altivec or Spe
3921         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3922         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3923         * config/rs6000/rs6000.h (processor_type): Add
3924         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3925         (ASM_CPU_SPEC): Add e300c2 and e300c3.
3926         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3927         and ppce300c3. Include e300c2c3.md.
3928
3929 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
3930
3931         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3932         instead of TARGET_STRICT_ALIGN.
3933
3934 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
3935
3936         * explow.c (memory_address): Assert that the generated address is
3937         valid.
3938
3939 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3940
3941         PR target/25477
3942         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3943         * config/darwin-ppc-ldouble-patch.def: New file.
3944         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3945         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3946         SUBTARGET_INIT_BUILTINS if defined.
3947         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3948         New functions.
3949
3950 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3951
3952         PR rtl-opt/33512
3953         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3954         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3955
3956 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3957
3958         PR pch/35027
3959         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3960         file" warning condtional on -Winvalid-PCH.
3961
3962 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3963
3964         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3965
3966 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
3967
3968         PR target/22076
3969         PR target/34256 
3970         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3971         prevent reload from using MMX registers.
3972         (*mov<mode>_internal): Ditto.
3973         (*movv2sf_internal_rex64): Ditto.
3974         (*movv2sf_internal): Ditto.
3975
3976 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3977
3978         PR documentation/31569
3979         * doc/install.texi2html: Use makeinfo --no-number-sections.
3980
3981 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3982
3983         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3984         ensure that we can address an entire entity > 8 bytes.  Don't
3985         generate reg+reg addressing for such data.
3986