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1 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
3         Revert
4         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
6         PR middle-end/PR28690
7         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
8         same precedence as REG_POINTER and MEM_POINTER operands.
10 2008-04-08  Richard Guenther  <rguenther@suse.de>
12         PR middle-end/35834
13         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
14         for adding index to base.
16 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
18         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
19         (MINGW_ENABLE_EXECUTE_STACK): New.
20         (IN_LIBGCC2): For libgcc include windows.h file for
21         function declarations.
23 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
25         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
26         and tem2 if tem1 is not a REG or MULT.
28 2008-04-08  Jan Hubicka  <jh@suse.cz>
30         * function.h (incomming_args): Break out of struct function.
31         (function_subsections): Break out of struct function.
32         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
33         return_rtx and hard_reg_initial_vals from struct function.
34         Kill inl_max_label_num.
35         (current_function_pops_args, current_function_args_info,
36         current_function_args_size, current_function_args_size,
37         current_function_pretend_args_size,
38         current_function_outgoing_args_size,
39         current_function_internal_arg_pointer, current_function_return_rtx):
40         Kill compatibility accestor macros.
41         * builtins.c (expand_builtin_apply_args_1): Update.
42         (expand_builtin_next_arg): Update.
43         * df-scan.c (df_get_call_refs): Update.
44         * dbxout.c (dbxout_function_end): Update.
45         * dwarf2out.c (dwarf2out_switch_text_section): Update.
46         (output_line_info): Update.
47         (secname_for_decl): Update.
48         (dwarf2out_var_location): Update.
49         * function.c (free_after_compilation): Update.
50         (assign_parm_find_stack_rtl): Update.
51         (assign_parms): Update.
52         (expand_dummy_function_end): Update.
53         (expand_function_end): Update.
54         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
55         (expand_call): Update.
56         (emit_library_call_value_1): Update.
57         (store_one_arg): Update.
58         * varasm.c (initialize_cold_section_name): Update.
59         (unlikely_text_section): Update.
60         (unlikely_text_section_p): Update.
61         (assemble_start_function): Update.
62         (assemble_end_function): Update.
63         (default_section_type_flags): Update.
64         (switch_to_section): Update.
65         * integrate.c (set_decl_abstract_flags): Update.
66         (get_hard_reg_initial_val): Update.
67         (has_hard_reg_initial_val): Update.
68         (allocate_initial_values): Update.
69         * resource.c (init_resource_info): Update.
70         * config/alpha/alpha.c (NUM_ARGS): Update.
71         (direct_return): Update.
72         (alpha_va_start): Update.
73         (alpha_sa_size): Update.
74         (alpha_initial_elimination_offset): Update.
75         (alpha_expand_prologue): Update.
76         (alpha_start_function): Update.
77         (alpha_expand_epilogue): Update.
78         (unicosmk_initial_elimination_offset):
79         * config/alpha/alpha.md (call expander): Update.
80         * config/s390/s390.c (s390_register_info): Update.
81         (s390_register_info): Update.
82         (s390_frame_info): Update.
83         (s390_initial_elimination_offset): Update.
84         (s390_build_builtin_va_list): Update.
85         (s390_va_start): Update.
86         * config/spu/spu.c (direct_return): Update.
87         (spu_expand_prologue): Update.
88         (spu_initial_elimination_offset): Update.
89         (spu_build_builtin_va_list): Update.
90         (spu_va_start): Update.
91         * config/sparc/sparc.c (sparc_init_modes): Update.
92         (sparc_compute_frame_size): Update.
93         (function_value): Update.
94         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
95         * config/i386/i386.md (return expander): Update.
96         * config/i386/i386.c (ix86_va_start): Update.
97         (ix86_can_use_return_insn_p): Update.
98         (ix86_compute_frame_layout): Update.
99         (ix86_expand_epilogue): Update.
100         * config/sh/sh.c (output_stack_adjust): Update.
101         (calc_live_regs): Update.
102         (sh_expand_prologue): Update.
103         (sh_builtin_saveregs): Update.
104         (sh_va_start): Update.
105         (initial_elimination_offset): Update.
106         (sh_allocate_initial_value): Update.
107         (sh_function_ok_for_sibcall): Update.
108         (sh_get_pr_initial_val): Update.
109         * config/sh/sh.md (return expander): Update.
110         * config/avr/avr.c (frame_pointer_required_p): UPdate.
111         * config/crx/crx.c (crx_compute_frame): UPdate.
112         (crx_initial_elimination_offset): UPdate.
113         * config/xtensa/xtensa.c (compute_frame_size): Update
114         (xtensa_builtin_saveregs): Update.
115         (xtensa_va_start): Update.
116         (order_regs_for_local_alloc): Update.
117         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
118         (xstormy16_expand_builtin_va_start): Update.
119         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
120         * config/m68hc11/m68hc11.md (return expanders): Update.
121         * config/m68hc11/m68hc11.c (expand_prologue): Update.
122         (expand_epilogue): Update.
123         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
124         (cris_simple_epilogue): Update.
125         (cris_expand_prologue): Update.
126         (cris_expand_epilogue): Update.
127         * config/iq2000/iq2000.c (iq2000_va_start): Update.
128         (compute_frame_size): Update.
129         * config/mt/mt.c (mt_compute_frame_size): Update.
130         * config/mn10300/mn10300.c (expand_prologue): Update.
131         (expand_epilogue): Update.
132         (initial_offset): Update.
133         (mn10300_builtin_saveregs):
134         * config/mn10300/mn10300.md (return expander): Update.
135         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
136         (ia64_initial_elimination_offset): Update.
137         (ia64_initial_elimination_offset): Update.
138         (ia64_expand_prologue): Update.
139         * config/m68k/m68k.md (return expander): Update.
140         * config/rs6000/rs6000.c (rs6000_va_start): Update.
141         (rs6000_stack_info): Update.
142         * config/mcore/mcore.c (layout_mcore_frame): Update.
143         (mcore_expand_prolog): Update.
144         * config/arc/arc.c (arc_compute_frame_size): Update.
145         * config/score/score3.c (score3_compute_frame_size): Update.
146         * config/score/score7.c (score7_compute_frame_size): Update.
147         * config/arm/arm.c (use_return_insn): Update.
148         (thumb_find_work_register): Update.
149         (arm_compute_save_reg_mask): Update.
150         (arm_output_function_prologue): Update.
151         (arm_output_epilogue): Update.
152         (arm_size_return_regs): Update.
153         (arm_get_frame_offsets): Update.
154         (arm_expand_prologue): Update.
155         (thumb_exit): Update.
156         (thumb_unexpanded_epilogue): Update.
157         (thumb1_output_function_prologue): Update.
158         * config/pa/pa.md (return expander): Update.
159         * config/pa/pa.c (compute_frame_size): Update.
160         (hppa_builtin_saveregs): Update.
161         * config/mips/mips.c (mips_va_start): Update.
162         (mips16_build_function_stub): Update.
163         (mips_compute_frame_info): Update.
164         (mips_restore_gp): Update.
165         (mips_output_function_prologue): Update.
166         (mips_expand_prologue): Update.
167         * config/v850/v850.c (compute_frame_size): Update.
168         (expand_prologue): * config/mmix/mmix.c (along): update.
169         (mmix_initial_elimination_offset): update.
170         (mmix_reorg): update.
171         (mmix_use_simple_return): update.
172         (mmix_expand_prologue): update.
173         (mmix_expand_epilogue): Update.
174         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
175         (emit_link_insn): Update.
177 2008-04-08  Anatoly Sokolov <aesok@post.ru>
179         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
180         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
181         instructions.
182         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
183         atmega103 device.
185 2008-04-07  Jan Hubicka  <jh@suse.cz>
187         * function.h (rtl): Rename to x_rtl.
188         (crtl): New define.
189         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
190         frame_offset, stack_check_probe_note, arg_pointer_save_area,
191         used_temp_slots avail_temp_slots, temp_slot_level,
192         nonlocal_goto_handler_labels): Update accesstors.
193         (rtl): New global variable.
194         (struct function): Move some fileds to rtl_data.
195         (get_arg_pointer_save_area): Update prototype.
196         * builtins.c (expand_builtin_setjmp_receiver): Update call of
197         get_arg_pointer_save_area.
198         * expr.c (init_expr): Update
199         * function.c (get_frame_size): Update
200         (assign_stack_local): Update
201         (expand_function_end): Update.
202         (get_art_pointer_save_area): Update
203         * function.h 
204         * emit-rtl.c (rtl): Declare.
205         (regno_reg_rtx): Declare.
206         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
207         Update.
208         (gen_reg_rtx): Update.
209         * varasm.c (n_deferred_constatns): Update accestor.
210         (init_varasm_status): Do not allocate varasm_status.
211         (force_const_mem, get_pool_size, output_constant_pool): Update.
212         * stmt.c (force_label_rtx): Do not use x_ prefixes.
213         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
214         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
215         * sparc/sparc.h (INIT_EXPANDERS): Update.
216         * ia64/ia64.h (INIT_EXPANDERS): Update.
218 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
220         * reload.c (push_secondary_reload): Add missing break to for loop.
222 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
224         PR middle-end/PR28690
225         * rtlanal.c: Update copyright years.
226         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
227         as REG_POINTER and MEM_POINTER operands.
228         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
229         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
230         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
231         * gcse.c: Update copyright years.
232         (pre_delete): Call gen_reg_rtx_and_attrs.
233         (hoist_code): Likewise.
234         (build_store_vectors): Likewise.
235         (delete_store): Likewise.
236         * loop-invariant.c (move_invariant_reg): Likewise.
237         Update copyright years.
239 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
241         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
242         control string instead of quoted.
244 2008-04-07  Kenneth Zadeck <zadeck@naturalbridge.com>
246         * doc/rtl.texi: Rewrite of subreg section.
248 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
250         PR/35842
251         * config/i386/i386.c (legitimize_pic_address): Add treating
252         of dllimport SYM_REF's.
253         (legitimize_dllimport_symbol): Add prototype.
255 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
257         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
258         reference in constructor with non self-referential type.
260 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
262         Removal of Return with Depressed Stack Pointer support
263         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
264         (ECF_SP_DEPRESSED): Likewise.
265         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
266         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
267         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
268         (expand_call): Do not test ECF_SP_DEPRESSED.
269         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
270         * function.c (keep_stack_depressed): Delete.
271         (handle_epilogue_set): Likewise.
272         (update_epilogue_consts): Likewise.
273         (emit_equiv_load): Likewise.
274         (thread_prologue_and_epilogue_insns): Remove support for Return with
275         Depressed Stack Pointer.
276         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
278 2008-04-06  Richard Guenther  <rguenther@suse.de>
280         PR tree-optimization/35400
281         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
282         information from SSA_NAMEs.
284 2008-04-06  Anatoly Sokolov <aesok@post.ru>
286         * config/avr/avr.h (avr_mega_p): Remove declaration.
287         (AVR_MEGA): Remove macro.
288         * config/avr/avr.c (avr_mega_p): Remove variable.
289         (avr_override_options): Remove inicializion of avr_mega_p.
290         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
291         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
292         (avr_jump_mode): (Ditto.).
293         (avr_output_progmem_section_asm_op): (Ditto.).
294         (avr_asm_init_sections): (Ditto.).
295         (avr_asm_init_sections): (Ditto.).
296         (avr_rtx_costs): (Ditto.).
297         * config/avr/avr.md: (Ditto.).
298         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
299         '__AVR_MEGA__'.
301 2008-04-06  Richard Guenther  <rguenther@suse.de>
303         PR tree-optimization/35842
304         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
305         is_gimple_invariant_address.
307 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
309         * gcc.c (default_compilers): Sync Fortran extensions list with
310         that in fortran/lang-specs.h.
311         * doc/invoke.texi: Likewise.
312         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
313         * dwarf2out.c (gen_compile_unit_die): Likewise.
315 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
317         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
319 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
321         PR target/12329
322         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
323         attribute is used for nested functions.
325 2008-04-05  Jan Hubicka  <jh@suse.cz>
327         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
329         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
330         letter argument.
331         (dump_files): Update.
332         (enable_rtl_dump_file): Do not accept letter argument.
333         * tree-pass.h (dump_file_info): Remove letter argument.
334         * toplev.c (decode_d_option): Update -da handling.
335         * toplev.h (enable_rtl_dump_file): Update prototype.
336         * passes.c (register_one_dump_file): Do not accept IPA argument; work
337         it out based on pass type.
338         (register_dump_files_1): Likewise.
339         (init_optimization_passes): Update register_one_dump_file calls.
340         (execute_one_pass): Sanity check that IPA passes are called at IPA
341         level and RTL passes at RTL level.
342         (execute_pass_list): IPA pass can not be after or subpass of
343         GIMPLE/RTL pass.
344         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
345         disallov RTL subpasses of IPA subpasses.
347 2008-04-05  Ben Elliston  <bje@au.ibm.com>
349         * tree-cfg.c (need_fake_edge_p): Return false for calls to
350         builtins that return exactly once and do not throw. Cache call to
351         call_expr_flags.
353 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
355         PR rtl-optimization/34916
356         PR middle-end/35519
357         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
358         between instruction pairs.
360 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
362         * doc/invoke.texi: Document -mbitops for SH.
363         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
364         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
365         * config/sh/sh.c (print_operand): Add %t operand code.
366         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
367         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
368         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
369         (extendqihi2): Likewise.
370         (movqi_i): Likewise.
371         (insv): Use bset, bclr and bst instructions for SH2A if possible.
372         (extv): Use bld instruction for SH2A if possible.
373         (extzv): Likewise.
374         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
375         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
376         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
377         (bset.b, bclr.b): Define peepholes.
378         * config/sh/sh.opt (mbitops): New option.
380 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
382         PR target/35620
383         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
384         and view convert expression.
386 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
388         PR target/35364
389         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
391 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
393         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
395         * config/i386/cpuid.h (bit_AES): New.
396         (bit_PCLMUL): Likewise.
398         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
399         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
400         SSE2 if AES or PCLMUL is enabled.
401         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
402         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
403         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
404         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
405         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
406         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
407         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
408         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
409         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
410         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
411         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
412         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
413         __builtin_ia32_aeskeygenassist128 and
414         __builtin_ia32_pclmulqdq128.
415         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
416         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
417         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
419         * config/i386/i386.h (TARGET_AES): New.
420         (TARGET_PCLMUL): Likewise.
421         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
423         * config/i386/i386.md (UNSPEC_AESENC): New.
424         (UNSPEC_AESENCLAST): Likewise.
425         (UNSPEC_AESDEC): Likewise.
426         (UNSPEC_AESDECLAST): Likewise.
427         (UNSPEC_AESIMC): Likewise.
428         (UNSPEC_AESKEYGENASSIST): Likewise.
429         (UNSPEC_PCLMUL): Likewise.
431         * config/i386/i386.opt (maes): New.
432         (mpclmul): Likewise.
434         * config/i386/sse.md (aesenc): New pattern.
435         (aesenclast): Likewise.
436         (aesdec): Likewise.
437         (aesdeclast): Likewise.
438         (aesimc): Likewise.
439         (aeskeygenassist): Likewise.
440         (pclmulqdq): Likewise.
442         * config/i386/wmmintrin.h: New.
444         * doc/extend.texi: Document AES and PCLMUL built-in function.
446         * doc/invoke.texi: Document -maes and -mpclmul.
448 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
450         * function.c (free_after_parsing): Replace with
451         cxx_push_function_context from C++ front-end.
452         (allocate_struct_function): Don't call langhook.
453         * langhooks.h (struct lang_hooks_for_functions): Delete.
454         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
455         member "function".
456         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
457         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
458         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
459         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
460         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
461         remove LANG_HOOKS_FUNCTION_INITIALIZER.
462         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
464         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
465         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
466         
467 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
469         PR c/35440
470         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
471         for all types.
473 2008-04-04  Richard Guenther  <rguenther@suse.de>
475         PR middle-end/35823
476         * fold-const.c (optimize_minmax_comparison): Use the correct
477         type for the constant in the simplified comparison.
479 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
481         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
482         Pass L2 size as "--param l2-cache-size" to the compiler.
483         (decode_l2_cache): New function to decode L2 cache parameters using
484         0x8000006 extended cpuid function.
485         (detect_caches_amd): Determine parameters of L2 cache using
486         decode_l2_caches function.
487         (decode_caches_intel): Decode L2 cache parameters.
488         (detect_caches_intel): Determine L2 cache parameters using
489         decode_caches_intel and decode_l2_caches functions.
491 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
493         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
494         secondary input reload for subword loads from the constant pool.
496 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
498         PR target/35713
499         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
500           constants of the appropriate size for runtime calculations.
502         PR c/35712
503         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
504           decimal-float literal constant zero.
506 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
508         PR c/35738
509         * c-parser.c (c_parser_omp_atomic): Call
510         default_function_array_conversion on the RHS.
512         PR middle-end/35818
513         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
514         call is_variable_sized if decl has incomplete type.
516 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
518         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
520 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
522         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
523         iterators.
524         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
525         (sgt<u>): Merge sgt and sgtu into new expander.
526         (sgt, sgtu): Remove expanders.
527         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
528         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
529         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
530         *sgtu_<mode>_mips16 into new pattern.
531         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
532         (sge<u>): Merge sge and sgeu into new expander.
533         (sge, sgeu): Remove expanders.
534         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
535         new pattern.
536         (*sge_<mode>, second *sge_<mode>): Remove patterns.
537         (slt<u>): Merge slt and sltu into new expander.
538         (slt, sltu): Remove expanders.
539         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
540         (*slt_<mode>, *sltu_<mode>): Remove patterns.
541         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
542         *sltu_<mode>_mips16 into new pattern.
543         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
544         (sle<u>): Merge sle and sleu into new expander.
545         (sle, sleu): Remove expanders.
546         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
547         (*sle_<mode>, *sleu_<mode>): Remove patterns.
548         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
549         *sleu_<mode>_mips16 into new pattern.
550         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
552 2008-04-03  Jan Hubicka  <jh@suse.cz>
554         PR tree-optimization/35795
555         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
556         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
557         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
558         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
559         * score/score3.c (score3_output_mi_thunk): Likewise.
560         * score/score7.c (score7_output_mi_thunk): Likewise.
561         * mips/mips.c (mips_output_mi_thunk): Likewise.
563 2008-04-03  Richard Guenther  <rguenther@suse.de>
565         * tree-vrp.c (extract_range_from_unary_expr): Handle all
566         conversions.  Simplify code.
568 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
570         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
572 2008-04-03  Tom Tromey  <tromey@redhat.com>
573             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
575         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
576         * config/bfin/t-bfin-linux (generated_files): Add
577         linux-sysroot-suffix.h.
578         * doc/install.texi (Prerequisites): Require make 3.80.
579         * doc/sourcebuild.texi (Front End Directory): Document new
580         variable.
581         * Makefile.in (generated_files): New variable.
582         (ALL_HOST_OBJS): New variable.
583         ($(ALL_HOST_OBJS)): New target.
585 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
587         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
588         (remap_block): Call id->transform_lang_insert_block instead
589         of langhook.
590         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
591         Set id.transform_lang_insert_block to NULL.
592         (clone_body): Move to cp/optimize.c
593         * tree-inline.h (struct copy_body_data): Change
594         transform_lang_insert_block to function pointer.
595         (copy_generic_body, copy_decl_no_change): Export.
596         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
597         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
598         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
600         * c-tree.h (insert_block): Kill.
601         * c-decl.c (insert_block): Kill.
603 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
605         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
606         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
607         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
608         argument.
609         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
610         argument, call {push,pop}_function_context from here.
611         * c-parser.c: Use c_{push,pop}_function_context.
613         * function.c (push_function_context_to): Move meat ...
614         (push_function_context): ... here.  Simplify.
615         * function.c (pop_function_context_from): Move meat ...
616         (pop_function_context): ... here.  Simplify.
617         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
618         leave_nested).
619         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
620         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
621         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
622         * tree.h (push_function_context_to, pop_function_context_from): Remove.
624 2008-04-03  Ben Elliston  <bje@au.ibm.com>
626         * expmed.c (extract_force_align_mem_bit_field): Remove.
628 2008-04-03  Richard Guenther  <rguenther@suse.de>
630         PR middle-end/35800
631         * expr.h (try_casesi): Adjust prototype.
632         * expr.c (try_casesi): Take fallback label as extra parameter.
633         Use that for gen_casesi if default_label is NULL.
634         * stmt.c (expand_case): Pass fallback label to try_casesi,
635         make sure to fill gaps with a fallback label if default_label
636         is not present.
638 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
640         PR target/35801
641         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
643 2008-04-03  Ben Elliston  <bje@au.ibm.com>
645         * expmed.c (extract_split_bit_field): Remove if (0) code.
646         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
647         (do_ds_constraint): Likewise.
649 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
651         * doc/cppopts.texi (-dU): Document.
652         * c-common.h (flag_dump_macros): Update comment.
653         * c-opts.c (handle_OPT_d): Handle -dU.
654         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
655         dump_queued_macros, cb_used_define, cb_used_undef): New.
656         (init_pp_output): Handle -dU.
657         (cb_line_change): Call dump_queued_macros.
658         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
660 2008-04-02  Anatoly Sokolov <aesok@post.ru>
662         * config/avr/predicates.md (io_address_operand): New predicate. 
663         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
664         * config/avr/avr.c (avr_io_address_p): Remove function.
665         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
666         'avr_io_address_p' function.
667         (out_movhi_r_mr): (Ditto.).
668         (out_movqi_mr_r): (Ditto.).
669         (out_movhi_mr_r): (Ditto.).
670         (avr_address_cost): (Ditto.).
672 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
674         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
675         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
676         in 32bit mode when XMM registers are available to avoid store
677         forwarding stalls.
678         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
679         corresponding post-reload splitters.
681 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
683         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
684         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
685         __builtin_ia32_roundss.
686         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
687         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
688         __builtin_ia32_roundss.
689         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
690         IX86_BUILTIN_SHUFPD here.
692 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
694         * config/i386/i386.md (plogic): New.
695         (plogicprefix): Likewise.
697         * config/i386/mmx.md (mmx_<code><mode>3): New.
698         (mmx_and<mode>3): Removed.
699         (mmx_ior<mode>3): Likewise.
700         (mmx_xor<mode>3): Likewise.
702         * config/i386/sse.md (<code><mode>3): New.
703         (*<code><mode>3): Likewise.
704         (*<code><mode>3): Likewise.
705         (<code><mode>3): Likewise.
706         (*sse_<code><mode>3): Likewise.
707         (*sse2_<code><mode>3): Likewise.
708         (<code>tf3): Likewise.
709         (*<code>tf3): Likewise.
710         (and<mode>3): Likewise.
711         (*and<mode>3): Likewise.
712         (ior<mode>3): Removed.
713         (*ior<mode>3): Likewise.
714         (xor<mode>3): Likewise.
715         (*xor<mode>3): Likewise.
716         (*and<mode>3): Likewise.
717         (*ior<mode>3): Likewise.
718         (*xor<mode>3): Likewise.
719         (and<mode>3): Likewise.
720         (*sse_and<mode>3): Likewise.
721         (*sse2_and<mode>3): Likewise.
722         (andtf3): Likewise.
723         (*andtf3): Likewise.
724         (ior<mode>3): Likewise.
725         (*sse_ior<mode>3): Likewise.
726         (*sse2_ior<mode>3): Likewise.
727         (iortf3): Likewise.
728         (*iortf3): Likewise.
729         (xor<mode>3): Likewise.
730         (*sse_xor<mode>3): Likewise.
731         (*sse2_xor<mode>3): Likewise.
732         (xortf3): Likewise.
733         (*xortf3): Likewise.
735 2008-04-02  Richard Guenther  <rguenther@suse.de>
737         PR tree-optimization/14495
738         PR tree-optimization/34793
739         * tree-vrp.c (struct switch_update): New structure.
740         (to_remove_edges, to_update_switch_stmts): New VECs.
741         (simplify_switch_using_ranges): New function.  Remove not taken
742         case labels and edges.
743         (simplify_stmt_using_ranges): Call it.
744         (identify_jump_threads): Mark edges we have queued for removal
745         so we don't thread them.
746         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
747         case label vector.
748         * tree-cfg.c (group_case_labels): Deal with missing default label.
749         (tree_verify_flow_info): Allow missing default label.
750         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
751         (emit_case_nodes): Likewise.
752         (expand_case): Do not rely on the default label to be present.
753         * expr.c (try_casesi): Deal with NULL default_label.
754         (do_tablejump): Likewise.
756 2008-04-02  Richard Guenther  <rguenther@suse.de>
758         PR tree-optimization/14495
759         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
760         SWITCH_EXPR here ...
761         (vrp_visit_switch_stmt): ... but here (new function).
762         (find_case_label_index): New helper function.
763         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
765 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
767         * fwprop.c: Fix ISO-C99ism.
769 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
771         PR bootstrap/35752
772         * Makefile.in (objdir): Set it here.
773         * configure.ac: Not here.  Find dynamic linker characteristics.
774         * exec-tool.in: Use them.
775         * aclocal.m4: Regenerate.
776         * configure: Regenerate.
778 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
780         * expr.c (expand_var): Delete it.
781         * expr.h (expand_var): Delete prototype.
782         * function.c (expand_function_start): Use expand_decl instead.
783         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
784         langhook.
786 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
788         PR rtl-optimization/35542
789         * fwprop.c (forward_propagate_and_simplify): Replace
790         loc_reg_mentioned_in_p with reg_mentioned_p.
792 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
794         PR rtl-optimization/35281
795         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
796         (propagate_rtx_1): Handle PR_HANDLE_MEM.
797         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
798         (varying_mem_p): Move above propagate_rtx.
799         (all_uses_available_at): Do not check MEMs.
801 2008-04-02  Rafael Espindola  <espindola@google.com>
803         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
804         (register_edge_assert_for_2): Split the cond argument.
805         (register_edge_assert_for_1): Adjust for the change in
806         register_edge_assert_for_2.
807         (register_edge_assert_for): Split the cond argument.
808         (find_switch_asserts): Adjust for the change in
809         register_edge_assert_for.
811 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
813         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
814         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
815         offsets for 64-bit mingw.
816         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
817         abi for x86_64-pc-mingw.
819 2008-04-02  Richard Guenther  <rguenther@suse.de>
821         * tree-vrp.c (extract_range_from_assert): Make sure to not
822         produce range min/max with TREE_OVERFOW set.
823         If merging a anti-range and a range keep the anti-range if
824         the range covers all values of the type.
825         (register_edge_assert_for_2): Only allow sign-changing
826         conversions in detecting canonical range checks.  Also
827         register an assert for the unsigned name if useful.
829         PR tree-optimization/35787
830         * tree-vrp.c (vrp_val_max): New function.
831         (vrp_val_min): Likewise.
832         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
833         (vrp_val_is_min): Likewise.
834         (supports_overflow_infinity): Use vrp_val_{min,max}.
835         (negative_overflow_infinity): Likewise.
836         (positive_overflow_infinity): Likewise.
837         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
838         (is_positive_overflow_infinity): Likewise.
839         (is_overflow_infinity): Likewise.
840         (avoid_overflow_infinity): Use vrp_val_{min,max} and
841         vrp_val_is_{min,max}.
842         (set_and_canonicalize_value_range): Canonicalize anti-ranges
843         to ranges if possible.  Avoid empty ranges.
845 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
847         PR middle-end/35705
848         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
849         the expression is a function address.
851 2008-04-01  George Helffrich  <george@gcc.gnu.org>
853         PR fortran/PR35154, fortran/PR23057
854         * fortran/trans-common.c (create_common):  Add decl to function
855         chain to preserve identifier scope in debug output.
857         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
858         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
859         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
860         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
861         in common.
862         (dbxout_syms): Check for COMMON-based symbol and wrap in
863         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
864         in bracket for efficiency.
866         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
867         using DW_TAG_common_block + member offset.
868         (add_pubname_string): New function.
869         (dw_expand_expr): New function to find block name and offset for
870         COMMON var.
871         (common_check): New function to check whether symbol in Fortran COMMON.
872         (gen_variable_die): If COMMON, use DW_TAG_common_block.
874         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
875         use of common is unchanged.
877         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
878         with all combinations of debug options available on target.
879         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
880         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
881         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
882         .stabs functionality.
883         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
884         DWARF functionality.
886 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
888         PR c/35436
889         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
891 2008-04-02  Ben Elliston  <bje@au.ibm.com>
893         * config/v850/v850.md (casesi): Remove if (0) code.
894         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
895         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
897 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
899         * config/i386/i386.md (rex64suffix): New mode attribute.
900         (floathi<mode>2): Disable expander for SSE math.
901         (*floathi<mode>2_1): New insn insn_and_split pattern.
902         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
903         corresponding post-reload splitters.
904         (*floathi<mode>2_i387): New macroized insn pattern.
905         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
906         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
907         insn_and_split pattern.
908         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
909         New macroized instruction patterns and corresponding post-reload
910         splitters.
911         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
912         and corresponding post-reload splitters.
913         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
914         New macroized instruction patterns.
915         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
916         macroized instruction patterns and corresponding post-reload splitters.
917         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
918         corresponding post-reload splitters.
919         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
920         New macroized instruction patterns.
921         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
922         corresponding post-reload splitters.
923         (*floatsi<mode>2_i387): New macroized instruction patterns.
925 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
927         * config/i386/i386.md (smaxmin): New.
928         (umaxmin): Likewise.
929         (maxminiprefix): Likewise.
930         (maxminfprefix): Likewise.
931         (<code><mode>3): Likewise.
932         (smin<mode>3): Removed.
933         (smax<mode>3): Likewise.
935         * config/i386/mmx.md (mmx_<code>v2sf3): New.
936         (mmx_<code>v4hi3): Likewise.
937         (mmx_<code>v8qi3): Likewise.
938         (mmx_smaxv2sf3): Removed.
939         (mmx_sminv2sf3): Likewise.
940         (mmx_umaxv8qi3): Likewise.
941         (mmx_smaxv4hi3): Likewise.
942         (mmx_uminv8qi3): Likewise.
943         (mmx_sminv4hi3): Likewise.
945         * config/i386/sse.md (<addsub><mode>3): New.
946         (*<addsub><mode>3): Likewise.
947         (<sse>_vm<addsub><mode>3): Likewise.
948         (<maxmin><mode>3): Likewise.
949         (*<maxmin><mode>3_finite): Likewise.
950         (*<maxmin><mode>3): Likewise.
951         (<sse>_vm<maxmin><mode>3): Likewise.
952         (sse3_h<addsub>v4sf3): Likewise.
953         (sse3_h<addsub>v2df3): Likewise.
954         (<maxmin>v16qi3): Likewise.
955         (*<maxmin>v16qi3): Likewise.
956         (<maxmin>v8hi3): Likewise.
957         (*<maxmin>v8hi3): Likewise.
958         (*sse4_1_<maxmin><mode>3): Likewise.
959         (*sse4_1_<maxmin><mode>3): Likewise.
960         (add<mode>3): Removed.
961         (*add<mode>3): Likewise.
962         (<sse>_vmadd<mode>3): Likewise.
963         (sub<mode>3): Likewise.
964         (*sub<mode>3): Likewise.
965         (<sse>_vmsub<mode>3): Likewise.
966         (smin<mode>3): Likewise.
967         (*smin<mode>3_finite): Likewise.
968         (*smin<mode>3): Likewise.
969         (<sse>_vmsmin<mode>3): Likewise.
970         (smax<mode>3): Likewise.
971         (*smax<mode>3_finite): Likewise.
972         (*smax<mode>3): Likewise.
973         (<sse>_vmsmax<mode>3): Likewise.
974         (sse3_haddv4sf3): Likewise.
975         (sse3_haddv2df3): Likewise.
976         (sse3_hsubv4sf3): Likewise.
977         (sse3_hsubv2df3): Likewise.
978         (umaxv16qi3): Likewise.
979         (*umaxv16qi3): Likewise.
980         (smaxv8hi3): Likewise.
981         (*smaxv8hi3): Likewise.
982         (*sse4_1_smax<mode>3): Likewise.
983         (*sse4_1_umax<mode>3): Likewise.
984         (uminv16qi3): Likewise.
985         (*uminv16qi3): Likewise.
986         (sminv8hi3): Likewise.
987         (*sminv8hi3): Likewise.
988         (*sse4_1_smin<mode>3): Likewise.
989         (*sse4_1_umin<mode>3): Likewise.
991 2008-04-01  Rafael Espindola  <espindola@google.com>
993         * tree-cfg.c (verify_expr): remove in_phi.
994         (verify_stmt): Don't call walk_tree with verify_expr. Use
995         is_gimple_min_invariant instead of is_gimple_val.
997 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
999         * doc/include/gpl_v3.texi: Update for manpage generation.
1000         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
1001         gpl.texi.
1002         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
1003         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
1004         gpl_v3.texi instead of gpl.texi.
1005         (gpl.pod): New.
1007 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
1009         PR pch/13675
1010         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
1012 2008-04-01  Rafael Espindola  <espindola@google.com>
1014         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
1015         (extract_code_and_val_from_cond): Use
1016         extract_code_and_val_from_cond_with_ops.
1018 2008-04-01  Jan Hubicka  <jh@suse.cz>
1020         * function.c (free_after_compilation): Free epilogue_delay_list.
1021         (prepare_function_start): Assert that previous compilation was freed.
1023 2008-04-01  Jan Hubicka  <jh@suse.cz>
1024             Jim Wilson  <wilson@tuliptree.org>
1025             Andreas Tobler <andreast@gcc.gnu.org>
1027         PR middle-end/35781
1028         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
1029         rtl.emit instead cfun->emit.
1030         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
1031         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
1033 2008-04-01  Ben Elliston  <bje@au.ibm.com>
1035         * doc/c-tree.texi (Function Basics): Fix grammatical error.
1037 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
1039         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
1040         New options
1041         (fprofile-use): Add var flag_profile_use
1042         * coverage.c (coverage_begin_output): Do not open a gcno file for
1043         output only if -ftest-coverage is set.
1044         Do not add getpwd() to gcda file path.
1045         (build_gcov_info): Check the new flag
1046         flag_profile_datafile_relative_path.
1047         (coverage_init): Use profile_data_prefix.
1048         Read profile counter only if flag_profile_use is set.
1049         * opts.c (common_handle_option): New option fprofile-use=,
1050         fprofile-dir=, fprofile-generate=.
1051         * toplev.c (profile_data_prefix): New variable definition.
1052         * toplev.h (profile_data_prefix): New declaration.
1053         * doc/invoke.tex (Option Summary, Optimization Options):
1054         Add new options.
1056 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
1058         * varasm.c (output_constant_pool_1): In LABEL_REF check,
1059         use tmp consistently.
1061         PR target/35695
1062         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
1063         * config/ia64/ia64.c (rtx_needs_barrier): Handle
1064         UNSPEC_FR_RECIP_APPROX_RES.
1065         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
1067 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
1069         PR c/35750
1070         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
1072 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1074         PR middle-end/30186
1075         * fold-const.c (fold_indirect_ref_1): Support accessing non first
1076         element of the vector via a pointer.
1078 2008-03-31  Ian Lance Taylor  <iant@google.com>
1080         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
1082 2008-03-31  Jan Hubicka  <jh@suse.cz>
1084         * builtins.c (expand_builtin_setjmp_receiver): Update call of
1085         get_arg_pointer_save_area.
1086         * expr.c (init_expr): Just clear out rtl.expr.
1087         * function.c (free_after_compilation): Clear out whole RTL structure.
1088         (get_func_frame_size): Merge into ...
1089         (get_frame_size): ... this one.
1090         (assign_stack_local_1): Merge into ...
1091         (assign_stack_local): ... this one.
1092         (expand_function_end): Update call of get_arg_pointer_save_area.
1093         (get_art_pointer_save_area): Remove cfun argument.
1094         * function.h (emit_status): regno_pointer_align does not need length
1095         attribute. Move x_regno_reg_rtx to ...
1096         (regno_reg_rtx): ... new global array.
1097         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
1098         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
1099         apply_args_value, forced_labels, stack_pointer_delta):
1100         Update accestors.
1101         (struct varasm_status): Move here from varasm.c
1102         (struct rtl_data): New. Move here some fields from struct function.
1103         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
1104         frame_offset, stack_check_probe_note, arg_pointer_save_area,
1105         used_temp_slots avail_temp_slots, temp_slot_level,
1106         nonlocal_goto_handler_labels): Update accesstors.
1107         (rtl): New global variable.
1108         (struct function): Move some fileds to rtl_data.
1109         (get_arg_pointer_save_area): Update prototype.
1110         * emit-rtl.c (rtl): Declare.
1111         (regno_reg_rtx): Declare.
1112         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
1113         Update.
1114         (gen_reg_rtx): Update.
1115         (init_virtual_regs): Do not tate emit_status argument.
1116         (init_emit): Do not allocate emit.
1117         * varasm.c (varasm_statuc): Move to function.h.
1118         (n_deferred_constatns): Update accestor.
1119         (init_varasm_status): Do not allocate varasm_status.
1120         (force_const_mem, get_pool_size, output_constant_pool): Update.
1121         * stmt.c (force_label_rtx): Do not use x_ prefixes.
1122         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
1124 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
1126         PR rtl-optimization/35729
1127         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
1128         references.
1130 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
1132         PR target/32000
1133         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
1134         load/store if memory is unaligned.
1135         (*movti_rex64): Likewise.
1137         * config/i386/predicates.md (misaligned_operand): New.
1139 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
1141         PR tree-opt/35431
1142         * tree-ssa-phiopt.c (conditional_replacement): Return early for
1143         complex types.
1145 2008-03-31  Jan Beulich  <jbeulich@novell.com>
1147         * config/ia64/constraints.md: Add 'j' constraint.
1148         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
1149         (movdi_internal): Likewise.
1151 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
1153         PR c/35748
1154         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
1156 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
1158         PR target/35757
1159         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
1160         proper error message for the third argument on blendpd and
1161         blendps.
1163         * config/i386/sse.md (blendbits): New.
1164         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
1166 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
1168         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
1170 2008-03-30  Richard Guenther  <rguenther@suse.de>
1172         PR middle-end/31023
1173         * fold-const.c (fold_sign_changed_comparison): Do leave
1174         conversions to base-types alone.
1176 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1178         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
1179         the link register if one altivec register is be saved.
1181 2008-03-30  Ben Elliston  <bje@au.ibm.com>
1183         * final.c (final_scan_insn): Remove if (0) code.
1185 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
1187         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
1189 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
1191         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
1192         of V4SFmode to ix86_binary_operator_ok.
1194 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
1196         * config/i386/i386.c (override_options): Initialize
1197         ix86_veclib_handler to ix86_veclibabi_svml when
1198         -mveclibabi=svml is used.
1199         (ix86_veclibabi_svml): New function for SVML ABI style
1200         vectorization support.
1201         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
1203 2008-03-28  Rafael Espindola  <espindola@google.com>
1205         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
1206         (tree_binary_nonnegative_warnv_p): Make it public.
1207         (tree_single_nonnegative_warnv_p): Make it public.
1208         (tree_invalid_nonnegative_warnv_p): Make it public.
1209         (tree_unary_nonzero_warnv_p): Make it public.
1210         (tree_binary_nonzero_warnv_p): Make it public
1211         (tree_single_nonzero_warnv_p): Make it public.
1212         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
1213         (extract_range_from_binary_expr): Split the expr argument.
1214         (extract_range_from_unary_expr): Split the expr argument.
1215         (extract_range_from_comparison): Split the expr argument.
1216         (extract_range_from_expr): Use the new aux functions.
1217         (vrp_evaluate_conditional_warnv): Use
1218         vrp_evaluate_conditional_warnv_with_ops.
1219         * tree.h (tree_unary_nonzero_warnv_p): Declare.
1220         (tree_binary_nonzero_warnv_p): Declare.
1221         (tree_single_nonzero_warnv_p): Declare.
1222         (tree_expr_nonzero_warnv_p): Declare.
1223         (tree_unary_nonnegative_warnv_p): Declare.
1224         (tree_binary_nonnegative_warnv_p): Declare.
1225         (tree_single_nonnegative_warnv_p): Declare.
1226         (tree_invalid_nonnegative_warnv_p): Declare.
1228 2008-03-28  Richard Guenther  <rguenther@suse.de>
1230         PR tree-optimization/30317
1231         PR tree-optimization/30911
1232         PR tree-optimization/34793
1233         * tree-vrp.c (set_and_canonicalize_value_range): New function.
1234         (struct assert_locus_d): New member EXPR.
1235         (register_new_assert_for): Add EXPR parameter to support
1236         ASSERT_EXPR <name, expr OP limit>.
1237         (register_edge_assert_for_1): Adjust callers.
1238         (find_assert_locations): Likewise.
1239         (process_assert_insertions_for): Build condition from expression.
1240         (extract_range_from_assert): Handle ASSERT_EXPRs
1241         of the form ASSERT_EXPR <name, expr OP limit>.
1242         (register_edge_assert_for_2): New helper registering
1243         asserts for comparisons.  Recognize range tests of the form
1244         (unsigned)i - CST1 OP CST2.
1245         (register_edge_assert_for_1): Use it.
1246         (register_edge_assert_for): Likewise.
1247         (needs_overflow_infinity): Integer sub-types
1248         do not need overflow infinities.
1249         (vrp_val_is_max): The extreme values of integer sub-types
1250         are those of the base type.
1251         (vrp_val_is_min): Likewise.
1252         * tree.def (ASSERT_EXPR): Document extra allowed conditional
1253         expressions.
1255 2008-03-28  Nick Clifton  <nickc@redhat.com>
1257         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
1258         Return GENERAL_REGS for stack adjustment reloads.
1260 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1262         PR target/31334
1263         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
1264         const_vector when all the vectors are constant.
1266 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
1268         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
1269         comparisons.
1270         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
1271         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
1272         (scc_sf): New.
1273         (s<code>_sf): Use new scc_sf attribute for opcode names.
1275 2008-03-27  Tom Tromey  <tromey@redhat.com>
1277         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
1278         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
1279         config/spu/t-spu-elf, config/i386/t-interix,
1280         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
1281         config/i386/x-darwin, config/i386/x-mingw32,
1282         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
1283         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
1284         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
1285         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
1286         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
1287         config/rs6000/x-darwin, config/rs6000/t-rs6000,
1288         config/score/t-score-elf, config/arm/t-strongarm-pe,
1289         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
1290         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
1291         Revert automatic dependency patch.
1293 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1295         PR target/35657
1296         * config/i386/i386.c (ix86_function_arg_boundary): Align
1297         decimal floating point to its natural boundary.
1299 2008-03-27  Richard Guenther  <rguenther@suse.de>
1301         PR middle-end/35716
1302         * fold-const.c (fold_comparison): Restrict distinct decl
1303         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
1304         solely rely on operand_equal_p.
1306 2008-03-27  Richard Guenther  <rguenther@suse.de>
1308         PR c/32511
1309         * c-common.c (handle_weak_attribute): Reject combination of
1310         weak and inline.
1312 2008-03-27  Richard Guenther  <rguenther@suse.de>
1314         PR tree-optimization/32810
1315         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
1316         conversions from DECL_INITIAL.
1317         (fold_const_aggregate_ref): Likewise from constructor elements.
1319 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
1321         * tree-affine.h (aff_combination_expand): Declare.
1322         (get_inner_reference_aff): Likewise.
1323         * tree-affine.c (aff_combination_expand): Split out from
1324         tree_to_aff_combination_expand.
1325         (get_inner_reference_aff): New function.
1326         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
1327         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
1328         (struct lim_aux_data): sm_done field removed.
1329         (mem_ref_loc_p, mem_ref_locs_p): New types.
1330         (struct mem_ref): Added id, stored, accesses_in_loop,
1331         indep_loop, dep_loop, indep_ref, dep_ref fields.
1332         Removed is_stored, locs and next fields.
1333         (memory_accesses): New variable.
1334         (movement_possibility): Do not allow moving statements
1335         that store to memory.
1336         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
1337         New functions.
1338         (determine_max_movement): For statements with memory references,
1339         find the outermost loop in that the reference is independent.
1340         (move_computations_stmt): Mark the virtual operands for renaming.
1341         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
1342         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
1343         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
1344         add_vop_ref_mapping, create_vop_ref_mapping_loop,
1345         create_vop_ref_mapping, analyze_memory_references,
1346         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
1347         get_all_locs_in_loop, ref_always_accessed_p,
1348         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
1349         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
1350         store_motion_loop, store_motion): New functions.
1351         (struct vop_to_refs_elt): New type.
1352         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
1353         memref_hash, memref_eq, hoist_memory_references): Rewritten.
1354         (schedule_sm): Replaced by...
1355         (execute_sm): ... this.
1356         (determine_lsm_ref, hoist_memory_references,
1357         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
1358         find_more_ref_vops, free_mem_ref, free_mem_refs,
1359         determine_lsm_loop, determine_lsm): Removed.
1360         (tree_ssa_lim_finalize): Free data structures used by store motion.
1361         (tree_ssa_lim): Call analyze_memory_references.  Use
1362         store_motion instead of determine_lsm.
1364 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
1366         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
1367         rename tmake_file to m68hc11/t-m68hc11.
1368         (mcore): Set inhibit_libc to true.
1369         * config.host (alpha*-dec-*vms*): Set extra_programs.
1370         (interix3*): Don't use host_xmake_file.
1371         * configure.ac: Let config.gcc override inhibit_libc.
1372         * configure: Regenerate.
1374         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
1375         * config/t-openbsd-thread: Remove commented out lines.
1376         
1377         * config/x-interix: Remove.
1379         * config/m68hc11/t-m68hc11-gas: Rename to...
1380         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
1382         * config/mcore/t-mcore: Remove T_CFLAGS.
1383         * config/mcore/t-mcore-pe: Likewise.
1385 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
1387         * configure.ac: Replace custom __GNU_SOURCE test with
1388         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
1389         * aclocal.m4: Regenerate.
1390         * configure: Regenerate.
1391         * config.in: Regenerate.
1393 2008-03-27  Richard Guenther  <rguenther@suse.de>
1395         * fold-const.c (target.h): Include.
1396         (fold_comparison): Fold comparison of addresses of decls
1397         that bind locally or of constants.  Consolidate address folding code.
1398         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
1399         results from fold_binary_to_constant.
1400         (compare_values_warnv): Likewise.
1402 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
1404         PR middle-end/35429
1405         * fold-const.c (fold_truthop): Check for integeral types when folding
1406         a == 0 && b == 0 and a != 0 || b != 0 .
1408 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
1410         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
1412 2008-03-26  Andreas Schwab  <schwab@suse.de>
1414         * doc/invoke.texi: Fix use of @item vs. @itemx.
1416 2008-03-26  Tom Tromey  <tromey@redhat.com>
1418         * Makefile.in (build/gensupport.o, build/print-rtl.o,
1419         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
1420         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
1421         build/gencodes.o, build/genconditions.o, build/genconfig.o,
1422         build/genconstants.o, build/genemit.o, build/genextract.o,
1423         build/genflags.o, build/genmddeps.o, build/genopinit.o,
1424         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
1425         options.h.
1427 2008-03-26  Richard Guenther  <rguenther@suse.de>
1429         Revert
1430         2008-03-26  Richard Guenther  <rguenther@suse.de>
1432         * fold-const.c (target.h): Include.
1433         (fold_comparison): Fold comparison of addresses of two decls
1434         that bind locally.  Consolidate address folding code.
1436 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1438         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
1439         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
1440         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
1441         dconstsqrt2, dconstthird, dconste and/or dconst10.
1442         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
1443         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
1444         dconstsqrt2, dconste): Delete.
1445         (init_emit_once): Likewise.  Simplify initializing dconstm1.
1446         Constify variable.
1447         * real.c (get_real_const): New.
1448         * real.h (dconst3, dconst10, dconstm2, dconstthird,
1449         dconstsqrt2, dconste): Delete.
1450         (real_value_const, get_real_const): New.
1452 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
1454         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
1456         * config/i386/i386.c (ix86_function_arg_boundary): Check
1457         BIGGEST_ALIGNMENT instead of 128.
1458         (setup_incoming_varargs_64): Likewise.
1460 2008-03-26  Tom Tromey  <tromey@redhat.com>
1462         * Makefile.in (DEPFILES): Add missing '/'.
1464 2008-03-26  Richard Guenther  <rguenther@suse.de>
1466         * fold-const.c (target.h): Include.
1467         (fold_comparison): Fold comparison of addresses of two decls
1468         that bind locally.  Consolidate address folding code.
1470 2008-03-26  Nick Clifton  <nickc@redhat.com>
1472         PR target/31232
1473         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
1474         not allow INT+INT as a legitimate addressing mode.
1476 2008-03-26  Richard Guenther  <rguenther@suse.de>
1478         * tree-flow.h (widen_bitfield): Remove declaration.
1479         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
1480         (widen_bitfield): Remove function.
1481         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
1482         code.
1484 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1486         PR target/31558
1487         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
1488         error_mark_node's.
1490 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1492         PR rtl-optimization/35232
1493         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1494         (forget_old_reloads_1, forget_marked_reloads): Don't clear
1495         reg_reloaded_call_part_clobbered here.
1496         (reload_regs_reach_end_p): New function.
1497         (reload_reg_rtx_for_input): New variable.
1498         (reload_reg_rtx_for_output): Likewise.
1499         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1500         when reassigning a pseudo register.  Load reloadreg from 
1501         reload_reg_rtx_for_input, moving the mode and register
1502         calculation to...
1503         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
1504         instead of the original when deciding whether an input reload
1505         would be a no-op or whether an output reload can be deleted.
1506         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1507         when setting up new_spill_reg_store.  Load it from
1508         reload_reg_rtx_for_output, moving the mode and register
1509         calculation to...
1510         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
1511         instead of the original when deciding whether an output reload
1512         would be a no-op.  Do the same when modifying insn notes.
1513         Use rtx_equal_p instead of == to compare the registers.
1514         (inherit_piecemeal_p): Take a mode and two register numbers
1515         as argument.
1516         (emit_reload_insns): Clear new_spill_reg_store for every hard
1517         register in the reload register.  Remove spill registers
1518         from reg_reloaded_valid before considering whether to record
1519         inheritance information for them.  Use reload_reg_rtx_for_output
1520         instead of reg_rtx when recording output reloads.  Use
1521         reload_reg_rtx_for_input instead of reg_rtx when recording
1522         input reloads.  Set or clear reg_reloaded_call_part_clobbered
1523         at the same time as setting reg_reloaded_valid.
1524         (delete_output_reload): Add a new_reload_reg parameter and use it
1525         instead of rld[j].reg_rtx.
1526         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1527         calls accordingly.
1529 2008-03-25  Tom Tromey  <tromey@redhat.com>
1531         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1532         (build/genattr.o): Likewise.
1533         (build/genattrtab.o): Likewise.
1534         (build/gencodes.o): Likewise.
1535         (build/genconfig.o): Likewise.
1536         (build/genconstants.o): Likewise.
1537         (build/genemit.o): Likewise.
1538         (build/genextract.o): Likewise.
1539         (build/genflags.o): Likewise.
1541 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
1542         
1543         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1544         instead of size_int for integer types.
1545         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
1546         to match type of MINUS_EXPR.
1547         
1548 2008-03-25  Tom Tromey  <tromey@redhat.com>
1550         * configure: Rebuilt.
1551         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1552         Makefile.
1554 2008-03-25  Tom Tromey  <tromey@redhat.com>
1556         * config/x-solaris (host-solaris.o): Update.
1557         * config/x-linux (host-linux.o): Update.
1558         * config/x-hpux (host-hpux.o): Update.
1559         * config/x-darwin (host-darwin.o): Update.
1560         * config/v850/t-v850e (v850-c.o): Update.
1561         * config/v850/t-v850 (v850-c.o): Update.
1562         * config/t-vxworks (vxworks.o): Update.
1563         * config/t-sol2 (sol2-c.o, sol2.o): Update.
1564         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1565         * config/spu/t-spu-elf (spu-c.o): Update.
1566         (spu.o): Remove.
1567         * config/sh/t-symbian (sh-c.o): Update.
1568         (symbian.o): Update.
1569         * config/sh/t-sh (sh-c.o): Update.
1570         * config/score/t-score-elf (score7.o, score3.o): Update.
1571         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1572         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1573         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1574         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1575         (rs6000.o): Remove.
1576         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1577         * config/m32c/t-m32c (m32c-pragma.o): Update.
1578         * config/ia64/t-ia64 (ia64-c.o): Update.
1579         * config/i386/x-mingw32 (host-mingw32.o): Update.
1580         * config/i386/x-i386 (driver-i386.o): Update.
1581         * config/i386/x-darwin (host-i386-darwin.o): Update.
1582         * config/i386/x-cygwin (host-cygwin.o): Update.
1583         * config/i386/t-nwld (nwld.o): Update.
1584         * config/i386/t-netware (netware.o): Update.
1585         * config/i386/t-interix (winnt.o): Update.
1586         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1587         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1588         msformat-c.o): Update.
1589         * config/bfin/t-bfin-linux (generated_files): Add
1590         linux-sysroot-suffix.h.
1591         * config/arm/t-wince-pe (pe.o): Update.
1592         * config/arm/t-strongarm-pe (pe.o): Update.
1593         * config/arm/t-pe (pe.o): Update.
1594         * config/arm/t-arm (arm-c.o): Update.
1595         * doc/install.texi (Prerequisites): Require make 3.80.
1596         * Makefile.in: Remove .o targets.
1597         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1598         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1599         (simple_generated_h, simple_generated_c): Move earlier.
1600         (generated_files): New variable.
1601         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1602         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1603         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1604         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1605         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1606         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1607         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1608         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1609         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1610         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1611         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1612         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1613         (.c.o): Remove.
1614         (COMPILE.base, COMPILE): New variables.
1615         (%.o): New pattern rule.
1616         (ALL_HOST_OBJS): New variable.
1617         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1618         (dummy-checksum.o, cc1-checksum.o): Remove.
1619         (DRIVER_SHLIB): New variable.
1620         (DRIVER_DEFINES): Use it.
1621         (gencondmd.c): Move out of build/.
1622         (s-conditions): Update.
1623         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1624         (ALL_BUILD_OBJS): Likewise.
1625         (build/%.o): Use BUILDCOMPILE.
1626         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1627         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1628         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1629         build/gencheck.o, build/gencodes.o, build/genconditions.o,
1630         build/genconfig.o, build/genconstants.o, build/genemit.o,
1631         build/genextract.o, build/genflags.o, build/genmddeps.o,
1632         build/genopinit.o, build/genoutput.o, build/genpeep.o,
1633         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1634         build/gen-protos.o, build/scan.o, build/fix-header.o,
1635         build/scan-decls.o): Simplify.
1636         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1637         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1638         prefix.o, toplev.o): Reduce to variable setting.
1639         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
1640         ($(out_object_file), gcc-options.o): New targets.
1641         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
1642         * configure: Rebuilt.
1643         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1644         * doc/sourcebuild.texi (Front End Directory): Document new variable.
1646 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
1648         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1649         complain when we hit an error, return ERROR_MARK_NODE.
1651 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1653         * config/sh/constraints.md (Pso, Psz): New constraints.
1654         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1655         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1657 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1659         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1660         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1662 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1664         * config/sh/sh.md (prefetch): Add condition for SH2A target.
1665         (prefetch_sh2a): New.   
1667 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1668             Naveen.H.S  <naveen.hs@kpitcummins.com>
1670         * config/sh/constraints.md (I28): New constraint.
1671         * config/sh/sh.c (broken_move): Add support for movi20s.
1672         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1674 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
1675             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1676             Naveen.H.S  <naveen.hs@kpitcummins.com>
1678         * config/sh/sh.c (SH_ATTRIBUTES): Define.
1679         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1680         (print_operand): Handle resbank in %@ operand code.
1681         (sh_encode_section_info): New.
1682         (push_regs): Add conditions for resbank.
1683         (sh_expand_epilogue): Likewise.
1684         (sh_insert_attributes): Likewise.
1685         (sh_attribute_table): Likewise.
1686         (sh_handle_resbank_handler_attribute): New.
1687         (sh2a_handle_function_vector_handler_attribute): New.
1688         (sh2a_is_function_vector_call): New.
1689         (sh2a_get_function_vector_number): New.
1690         (sh2a_function_vector_p): New.
1691         (sh_cfun_resbank_handler_p): New.
1692         * config/sh/sh.md (calli): Emit jsr/n if possible.
1693         (calli_tbr_rel): New.
1694         (calli_pcrel): Emit jsr/n if possible.
1695         (return_i): Emit rts/n if possible.
1696         (call_valuei_tbr_rel): New.
1697         (call_valuei_pcrel): Add condition for SH2A target.
1698         (call_value): Likewise.
1699         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1700         (sh2a_get_function_vector_number): Likewise.
1701         (sh2a_is_function_vector_call): Likewise.
1702         * doc/extend.texi: Document TBR relative addressing of SH2A.
1703         (resbank): Add description for SH2A.
1705 2008-03-24  Richard Guenther  <rguenther@suse.de>
1707         PR c/22371
1708         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1709         pointer assignments change conversions according to middle-end rules.
1710         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1711         * configure.ac: Include type checking in yes.
1712         * configure: Regenerate.
1714 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1716         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1717         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1718         
1719 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1721         * gthr-vxworks.h (UNUSED): Define.
1723 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1725         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1727 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1729         * doc/extend.texi (Function Attributes): Add missing comma in the
1730         example of the "alloc_size" attribute.
1731         
1732 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1734         Revert:
1735         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1737         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1738         32bit host.
1740         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1742         PR target/35496
1743         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1744         of the underlying type of a MS bitfield layout to the natural
1745         alignment of the type.
1747         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1749         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1750         to their natural alignment to avoid store forwarding stalls.
1752 2008-03-22  Richard Guenther  <rguenther@suse.de>
1754         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1755         For PHI nodes verify the address is invariant.
1756         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1757         (get_symbol_constant_value): Use is_gimple_min_invariant.
1758         (maybe_fold_stmt_indirect): Likewise.
1760 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1762         PR rtl-optimization/33927
1763         * Makefile.in (dse.o): Depend on $(TM_P_H).
1764         * expr.h (extract_low_bits): Declare.
1765         * expmed.c (extract_low_bits): New function.
1766         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1767         * dse.c: Include tm_p.h.
1768         (find_shift_sequence): Remove the read_reg argument and return the
1769         read value.  Emit the instructions instead of returning them.
1770         Iterate on new_mode rather than calculating it each time.
1771         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1772         source to NEW_MODE and extract_low_bits to convert the shifted
1773         value to READ_MODE.
1774         (replace_read): Allow the load and store to have different mode
1775         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1776         or extraction instructions before trying the replacement.  Update
1777         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1779 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1781         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1782         to their natural alignment to avoid store forwarding stalls.
1784 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1786         PR target/27946
1787         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1788         encouraging but not allowing gprs for input;
1789         change the input constraint to !f#r.
1790         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1791         gprs for output;
1792         change the output constraint to !f#r.
1794 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1796         PR target/13958
1797         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1798         corresponding post-reload splitters.
1799         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1800         when x87 FP math is selected.
1801         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1802         New function prototype.
1803         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1804         unreachable function to ease macroization of insn patterns.
1806 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1808         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1809         reference dumps if ddr is NULL or dependence is unknown.
1811 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1813         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1814         unsigned extension into account.
1815         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1816         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1817         Do computations on a scratch register.
1819 2008-03-21  Richard Guenther  <rguenther@suse.de>
1821         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1822         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1823         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1824         * tree-ssa-dom.c (record_equality): Likewise.
1825         * tree-inline.c (copy_body_r): Likewise.
1826         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1827         TREE_INVARIANT.
1829 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1831         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1832         as 'delete_unused' argument.
1834 2008-03-20  Richard Guenther  <rguenther@suse.de>
1836         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1837         special casing of constant qualifiers.
1838         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1839         care about them in general.
1840         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1841         regardless of their type.
1842         (fold_stmt_r): Forcefully fold *& if we end up with that.
1844 2008-03-20  Paul Brook  <paul@codesourcery.com>
1846         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1847         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1848         linker flags.
1849         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1850         definition.
1851         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1852         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1854 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1856         * common.opt (Wmudflap): New option.
1857         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1858         (mx_register_decls): Likewise.
1859         (mudflap_finish_file): Likewise.
1860         * doc/invoke.texi: Document -Wno-mudflap.
1862 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1864         * c-format.c (replace_format_name_to_system_name): New.
1865         (cmp_attribs): New.
1866         (convert_format_name_to_system_name): New.
1867         (decode_format_attr): Add use of convert_format_name_to_system_name.
1868         (format_types_orig): Add gnu_ prefix to names.
1869         (check_format_info_main): Special treating of \0 escaped names for
1870         supporting multi-character format specifiers as I32, I64.
1871         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1872         (gnu_target_overrides_format_attributes): New.
1873         * c-format.h: Add structure target_ovr_attr to hold
1874         system specific formatter names.
1875         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1876         msformat-c.o file to c_target_objs and cxx_target_objs.
1877         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1878         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1879         (TARGET_N_FORMAT_TYPES): New.
1880         * config/i386/msformat-c.c: New.
1881         * config/i386/t-cygming: Add build rule for msformat-c.o.
1882         * doc/extend.texi: Add new format names gnu_* and ms_* and
1883         further details.
1884         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1886 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1888         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1889         optimizations turned on under -O3.
1890         (ftree-vectorize): Add that the flag is turned on with -O3.
1892 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1894         * regmove.c (try_auto_increment): Fix spelling error in comment.
1895         * final.c (final_scan_insn): Likewise.
1897 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1899         PR target/14552
1900         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1901         allocator preferences for "y" and "r" class registers.
1902         ("*mov<mode>_internal"): Ditto.
1903         ("*movv2sf_internal_rex64"): Ditto.
1904         ("*movv2sf_internal"): Ditto.
1906 2008-03-19  Michael Matz  <matz@suse.de>
1908         PR middle-end/35616
1909         * calls.c (expand_call): Check overlap of arguments with call
1910         address for sibcalls.
1912 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1914         PR target/35496
1915         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1916         of the underlying type of a MS bitfield layout to the natural
1917         alignment of the type.
1919 2008-03-19  Jan Hubicka  <jh@suse.cz>
1921         PR other/35094
1922         * toplev.c (decode_d_option): Handle all CPP flags.
1923         * tree-vrp.c: Update tree_pass descriptors.
1924         * regrename.c: Update tree_pass descriptors.
1925         * fwprop.c: Update tree_pass descriptors.
1926         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1927         * tree-into-ssa.c: Update tree_pass descriptors.
1928         * tree-dump.c: Update tree_pass descriptors.
1929         * tree-complex.c: Update tree_pass descriptors.
1930         * tree-dump.h: Update tree_pass descriptors.
1931         * see.c: Update tree_pass descriptors.
1932         * cgraphbuild.c: Update tree_pass descriptors.
1933         * tracer.c: Update tree_pass descriptors.
1934         * tree-loop-distribution.c: Update tree_pass descriptors.
1935         * cgraph.c: Update tree_pass descriptors.
1936         * postreload-gcse.c: Update tree_pass descriptors.
1937         * postreload.c: Update tree_pass descriptors.
1938         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1939         * tree-tailcall.c: Update tree_pass descriptors.
1940         * tree-pass.h (tree_opt_pass): Rename to ...
1941         (opt_pass) ... this one; add "type" field and remove letter field.
1942         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1943         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1944         all_lowering_passes): Update declaration.
1945         * ipa-cp.c: Update tree_pass descriptors.
1946         * final.c: Update tree_pass descriptors.
1947         * omp-low.c: Update tree_pass descriptors.
1948         * tree-ssa-dse.c: Update tree_pass descriptors.
1949         * ipa-reference.c: Update tree_pass descriptors.
1950         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1951         * auto-inc-dec.c: Update tree_pass descriptors.
1952         * reorg.c: Update tree_pass descriptors.
1953         * cgraphunit.c: Update tree_pass descriptors.
1954         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1955         * tree-ssa-ccp.c: Update tree_pass descriptors.
1956         * df-core.c: Update tree_pass descriptors.
1957         * mode-switching.c: Update tree_pass descriptors.
1958         * tree-nomudflap.c: Update tree_pass descriptors.
1959         * modulo-sched.c: Update tree_pass descriptors.
1960         * ipa-pure-const.c: Update tree_pass descriptors.
1961         * cse.c: Update tree_pass descriptors.
1962         * web.c: Update tree_pass descriptors.
1963         * tree-stdarg.c: Update tree_pass descriptors.
1964         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1965         * tree-ssa-dom.c: Update tree_pass descriptors.
1966         * tree-nrv.c: Update tree_pass descriptors.
1967         * tree-ssa-alias.c: Update tree_pass descriptors.
1968         * loop-init.c: Update tree_pass descriptors.
1969         * gimple-low.c: Update tree_pass descriptors.
1970         * ipa-inline.c: Update tree_pass descriptors.
1971         * tree-ssa-sink.c: Update tree_pass descriptors.
1972         * global.c: Update tree_pass descriptors.
1973         * ifcvt.c: Update tree_pass descriptors.
1974         * jump.c: Update tree_pass descriptors.
1975         * predict.c: Update tree_pass descriptors.
1976         * tree-ssa-loop.c: Update tree_pass descriptors.
1977         * recog.c: Update tree_pass descriptors.
1978         * dse.c: Update tree_pass descriptors.
1979         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1980         * tree-eh.c: Update tree_pass descriptors.
1981         * regmove.c: Update tree_pass descriptors.
1982         * local-alloc.c
1983         * function.c: Update tree_pass descriptors.
1984         * tree-vectorizer.c: Update tree_pass descriptors.
1985         * gcse.c: Update tree_pass descriptors.
1986         * ipa-type-escape.c: Update tree_pass descriptors.
1987         * tree-if-conv.c: Update tree_pass descriptors.
1988         * init-regs.c: Update tree_pass descriptors.
1989         * ipa.c: Update tree_pass descriptors.
1990         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1991         * rtl-factoring.c: Update tree_pass descriptors.
1992         * lower-subreg.c: Update tree_pass descriptors.
1993         * bt-load.c: Update tree_pass descriptors.
1994         * tree-dfa.c: Update tree_pass descriptors.
1995         * except.c: Update tree_pass descriptors.
1996         * emit-rtl.c: Update tree_pass descriptors.
1997         * cfgexpand.c: Update tree_pass descriptors.
1998         * tree-cfgcleanup.c: Update tree_pass descriptors.
1999         * cfgcleanup.c: Update tree_pass descriptors.
2000         * tree-ssa-pre.c: Update tree_pass descriptors.
2001         * tree-sra.c: Update tree_pass descriptors.
2002         * tree-mudflap.c: Update tree_pass descriptors.
2003         * tree-ssa-copy.c: Update tree_pass descriptors.
2004         * cfglayout.c: Update tree_pass descriptors.
2005         * tree-ssa-forwprop.c: Update tree_pass descriptors.
2006         * tree-ssa-dce.c: Update tree_pass descriptors.
2007         * tree-ssa.c: Update tree_pass descriptors.
2008         * regclass.c: Update tree_pass descriptors.
2009         * integrate.c: Update tree_pass descriptors.
2010         * tree-optimize.c: Update tree_pass descriptors.
2011         * tree-ssa-phiprop.c: Update tree_pass descriptors.
2012         * tree-object-size.c: Update tree_pass descriptors.
2013         * combine.c: Update tree_pass descriptors.
2014         * tree-outof-ssa.c: Update tree_pass descriptors.
2015         * bb-reorder.c: Update tree_pass descriptors.
2016         * stack-ptr-mod.c: Update tree_pass descriptors.
2017         * var-tracking.c: Update tree_pass descriptors.
2018         * tree-profile.c: Update tree_pass descriptors.
2019         * tree-vect-generic.c: Update tree_pass descriptors.
2020         * reg-stack.c: Update tree_pass descriptors.
2021         * sched-rgn.c: Update tree_pass descriptors.
2022         * tree-ssa-structalias.c: Update tree_pass descriptors.
2023         * tree-cfg.c: Update tree_pass descriptors.
2024         * passes.c (current_pass): Update declaration.
2025         (finish_optimization_passes): Update.
2026         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
2027         (register_one_dump_file, register_dump_files_1, next_pass_1):
2028         Update arguments.
2029         (init_optimization_passes): Update handling of new types.
2030         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
2031         * ipa-struct-reorg.c: Update tree_pass descriptors.
2032         * tree-ssa-reassoc.c: Update tree_pass descriptors.
2033         * combine-stack-adj.c: Update tree_pass descriptors.
2034         * cfgrtl.c: Update tree_pass descriptors.
2035         * dce.c: Update tree_pass descriptors.
2036         * tree-ssanames.c: Update tree_pass descriptors.
2038 2008-03-19  Richard Guenther  <rguenther@suse.de>
2040         PR middle-end/35609
2041         * tree-ssa.c (walk_data): New structure.
2042         (warn_uninitialized_var): If not always_executed warn with "maybe"
2043         instead of "is".
2044         (execute_early_warn_uninitialized): Compute post-dominators.
2045         Initialize always_executed before processing each basic block.
2047 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
2049         PR target/35504
2050         * config/i386/i386.c (x86_this_parameter): Calculate correct location
2051         of "this" pointer when "regparm = N" or "fastcall" is in effect.
2053 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2055         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
2057 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
2059         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
2060         is true.
2061         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
2062         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
2063         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
2064         target after ignore has been set, and move there also the commputation
2065         of subtarget and original_target.
2066         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
2067         (LANG_HOOKS_INITIALIZER): Remove it.
2068         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
2070 2008-03-18  Richard Guenther  <rguenther@suse.de>
2072         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
2073         found an expression with constants, note that in the VN for the lhs.
2074         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
2075         fold them to constants if possible.  Run cleanup_cfg if done so.
2076         (execute_pre): Return todo.
2077         (do_pre): Likewise.
2078         (execute_fre): Likewise.
2079         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
2080         of constants.
2081         (get_prop_source_stmt): Look through pointer conversions.
2083 2008-03-18  Jan Hubicka  <jh@suse.cz>
2085         * tree-pretty-print.c: Include predict.h.
2086         (dump_generic_node): Dump predictor.
2087         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
2088         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
2089         * gimple-low.c (lower_stmt): Likewise.
2090         * expr.c (expand_expr_real): Likewise.
2091         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
2092         them.
2093         (build_predict_expr, build_predict_expr): New.
2094         * predict.h (predictor_name, build_predict_expr): Update.
2095         * c-typeck.c (c_finish_bc_stmt): Add prediction.
2096         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
2097         * predict.def (PRED_CONTINUE): Update hitrate.
2098         * tree.def (PREDICT_EXPR): Define.
2099         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
2100         do not handle BIND_EXPR.
2101         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
2102         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
2103         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
2104         operands.
2106 2008-03-18  Michael Matz  <matz@suse.de>
2108         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
2110 2008-03-18  Richard Guenther  <rguenther@suse.de>
2112         * tree-gimple.h (is_gimple_invariant_address): Declare.
2113         (is_gimple_constant): Likewise.
2114         * tree-gimple.c (is_gimple_constant): New function.
2115         (is_gimple_invariant_address): Likewise.
2116         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
2117         and is_gimple_invariant_address.
2118         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
2119         previous change.
2120         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
2121         an addressable base.
2123 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
2125         PR middle-end/35611
2126         * gimplify.c (gimplify_expr): Gimplify second operand of
2127         OMP_ATOMIC_LOAD.
2129 2008-03-17  Richard Guenther  <rguenther@suse.de>
2131         PR tree-optimization/19637
2132         * fold-const.c (fold_unary): Remove restrictions of removing
2133         intermediate pointer-conversions (P2)(P1)P0.
2134         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
2135         conversion to void pointer.
2136         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
2138 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
2140         PR debug/31510
2141         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
2142         emulated thread local variables.
2144 2008-03-16  Richard Guenther  <rguenther@suse.de>
2146         PR middle-end/35607
2147         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
2148         expand TREE_INVARIANT operations that are not gimple invariant.
2150 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
2152         * doc/extend.texi (Alignment): Say that the ABI controls
2153         the __alignof__ for non-strict-alignment targets rather
2154         than being a recommendation.
2156 2008-03-15  Paul Brook  <paul@codesourcery.com>
2158         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
2159         annotations.
2160         (arm_output_fn_unwind): Mark functions that can not be unwound.
2162 2008-03-15  Paul Brook  <paul@codesourcery.com>
2164         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
2165         extension instructions.
2167 2008-03-15  Richard Guenther  <rguenther@suse.de>
2169         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
2170         and fold constant aggregate refs.
2171         (fold_const_aggregate_ref): Handle string constants
2172         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
2173         (evaluate_stmt): Simplify now that ccp_fold folds constant
2174         aggregate refs.
2176 2008-03-15  Paul Brook  <paul@codesourcery.com>
2178         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
2179         (extzv): Use gen_extzv_t2.
2180         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
2182 2008-03-15  Richard Guenther  <rguenther@suse.de>
2184         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
2185         (fold_const_aggregate_ref): Likewise.
2186         (get_value): Return NULL if we don't have any values.
2187         (ccp_finalize): Set const_val to NULL after freeing it.
2188         * tree-flow.h (get_symbol_constant_value): Declare.
2189         (fold_const_aggregate_ref): Likewise.
2190         * tree-ssa-sccvn.c (try_to_simplify): Use them.
2192 2008-03-15  Richard Guenther  <rguenther@suse.de>
2194         PR middle-end/35593
2195         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
2196         to not produce negative array indices if not allowed.  Add
2197         parameter to indicate that.
2198         (maybe_fold_offset_to_component_ref): Allow negative array
2199         indices only for the first member of a structure.
2200         (maybe_fold_offset_to_reference): Allow negative array indices.
2201         (maybe_fold_stmt_addition): Likewise.
2203 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
2204             Anatoly Sokolov <aesok@post.ru>
2206         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
2207         (avr_arch): Add ARCH_AVR6.
2208         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
2209         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
2210         instead of fixed value 2.
2211         (print_operand_address): Use gs() asm specifier instead of pm().
2212         (avr_assemble_integer): (Ditto.).
2213         (avr_output_addr_vec_elt): (Ditto.).
2214         (print_operand): Handle "!" code.
2215         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
2216         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
2217         (AVR_HAVE_EIJMP_EICALL): Define.
2218         (AVR_3_BYTE_PC): Redefine.
2219         (AVR_2_BYTE_PC): (Ditto.).
2220         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
2221         (LINK_SPEC): Add atmega2560 and atmega2561.
2222         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
2223         (crtm2561.o).
2224         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
2225         for 3 byte PC devices.
2226         (call_value_insn): (Ditto.).
2227         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
2228         (indirect_jump): Use only for for 2 byte PC devices.
2229         (*tablejump): (Ditto.).
2230         (*indirect_jump_avr6): Add insn.
2231         (*tablejump_rjmp): Don't use for 3 byte PC devices.
2232         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
2233         instead of ijmp for 3 byte PC devices.
2234         (__tablejump2__): (Ditto.).
2235         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
2236         (MULITLIB_DIRNAMES): (Ditto.). 
2237         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
2239 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
2241         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
2242         "sse2_umulsidi3".  Use V1DI mode for operand 0.
2243         ("mmx_psadbw"): Use V1DI mode for operand 0.
2244         * config/i386/i386-modes.def (V1SI): New vector mode.
2245         * config/i386/i386.c (struct builtin_description)
2246         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
2247         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
2248         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
2249         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
2250         v1di_ftype_v8qi_v8qi type.
2251         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
2253         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
2254         __builtin_ia32_pmuludq]: Fix the mode of return value.
2256 2008-03-15  Richard Guenther  <rguenther@suse.de>
2258         PR middle-end/35595
2259         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
2260         being a PHI_NODE.
2262 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
2263         
2264         * doc/invoke.texi (Option Summary, Xtensa Options): Document
2265         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
2266         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
2267         unless TARGET_SERIALIZE_VOLATILE is enabled.
2268         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
2269         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
2270         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
2272 2008-03-14  Richard Guenther  <rguenther@suse.de>
2274         PR tree-optimization/34172
2275         * tree-flow.h (refs_may_alias_p): Declare.
2276         (get_single_def_stmt): Likewise.
2277         (get_single_def_stmt_from_phi): Likewise.
2278         (get_single_def_stmt_with_phi): Likewise.
2279         * tree-dfa.c (refs_may_alias_p): New function.
2280         (get_single_def_stmt): Likewise.
2281         (get_single_def_stmt_from_phi): Likewise.
2282         (get_single_def_stmt_with_phi): Likewise.
2283         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
2284         (vn_reference_lookup_1): New helper function.
2285         (vn_reference_lookup): Walk the virtual use-def chain to
2286         continue searching for a match if the def does not alias the
2287         reference we are looking for.
2289 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
2291         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
2292         archive and Perzl.  Update The Written Word listing.
2294 2008-03-14  Richard Guenther  <rguenther@suse.de>
2296         PR tree-optimization/34043
2297         PR tree-optimization/33989
2298         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
2299         when doing FRE.
2300         (bitmap_find_leader): Use extra argument to verify dominance
2301         relationship inside a basic-block.
2302         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
2303         (find_leader_in_sets): Adjust.
2304         (create_component_ref_by_pieces): Take extra argument for
2305         dominance check, handle lookup failures.
2306         (find_or_generate_expression): Likewise.
2307         (create_expression_by_pieces): Likewise.
2308         (insert_into_preds_of_block): Adjust.
2309         (create_value_expr_from): If asked for, verify all operands
2310         are in the blocks AVAIL_OUT set.
2311         (make_values_for_stmt): Check for SSA_NAMEs that are life
2312         over an abnormal edge.
2313         (compute_avail): Remove such check.
2314         (do_SCCVN_insertion): New function.
2315         (eliminate): If we do not find a leader suitable for replacement
2316         insert a replacement expression from SCCVN if available.
2317         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
2318         (struct vn_ssa_aux): Add needs_insertion flag.
2319         * tree-ssa-sccvn.c (may_insert): New global flag.
2320         (copy_reference_ops_from_ref): Value-number union member access
2321         based on its size, not type and member if insertion is allowed.
2322         (visit_reference_op_load): For a weak match from union type
2323         punning lookup a view-converted value and insert a SSA_NAME
2324         for that value if that is not found.
2325         (visit_use): Make dumps shorter.  Do not disallow value numbering
2326         SSA_NAMEs that are life over an abnormal edge to constants.
2327         (free_scc_vn): Release inserted SSA_NAMEs.
2328         (run_scc_vn): New flag to specify whether insertion is allowed.
2329         Process SSA_NAMEs in forward order.
2330         * tree-ssa-loop-im.c (for_each_index): Handle invariant
2331         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
2332         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
2333         pointer type to/from integral types that do not change the
2334         precision to regular conversions.
2336 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
2338         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2339         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2340         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
2341         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
2342         input arguments and the mode of return value.  Built-in functions
2343         that operate on whole 64-bit MMX register now use V1DI mode.
2345 2008-03-13  Alon Dayan  <alond@il.ibm.com>
2346             Olga Golovanevsky  <olga@il.ibm.com>
2348         PR tree-optimization/35041
2349         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
2350         to locate the right position in a statement.
2352 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
2354         PR target/34000
2355         PR target/35553
2356         * config/i386/xmmintrin.h:  Change all static inline functions to
2357         extern inline and add __gnu_inline__ attribute.
2358         * config/i386/bmintrin.h: Ditto.
2359         * config/i386/smmintrin.h: Ditto.
2360         * config/i386/tmmintrin.h: Ditto.
2361         * config/i386/mmintrin-common.h: Ditto.
2362         * config/i386/ammintrin.h: Ditto.
2363         * config/i386/emmintrin.h: Ditto.
2364         * config/i386/pmmintrin.h: Ditto.
2365         * config/i386/mmintrin.h: Ditto.
2366         * config/i386/mm3dnow.h: Ditto.
2368 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
2370         PR middle-end/35185
2371         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
2372         (lower_omp_2): New function.
2373         (lower_omp_1, lower_omp): Rewritten.
2375 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
2377         PR 35054
2378         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
2379         with the phrase "Microsoft Windows compilers".
2380         (Push/Pop Macro Pragmas): New subsection. Document
2381         #pragma push_macro and pragma pop_macro.
2383 2008-03-12  Paul Brook  <paul@codesourcery.com>
2385         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
2387 2008-03-12  Paul Brook  <paul@codesourcery.com>
2389         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
2390         (thumb2_alusi3_short): Exclude PLUS and MINUS.
2391         (thumb2_addsi_shortim): Rename ...
2392         (thumb2_addsi_short): ... to this.  Allow register operands.
2393         (thumb2_subsi_short): New pattern.
2394         (thumb2_one_cmplsi2_short,
2395         thumb2_negsi2_short): New patterns and peepholes.
2397 2008-03-12  Paul Brook  <paul@codesourcery.com>
2399         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
2401 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
2403         * config/i386/i386.md (int_cond): New code iterator.
2404         (fp_cond): Ditto.
2405         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
2406         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
2407         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
2408         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
2409         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
2410         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
2411         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
2412         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
2414 2008-03-12  Paul Brook  <paul@codesourcery.com>
2416         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
2417         instead of {arm,thumb}_compute_save_reg_mask.
2418         (output_return_instruction): Ditto.
2419         (thumb_unexpanded_epilogue): Ditto.
2420         (thumb1_expand_prologue): Ditto.
2421         (thumb1_output_function_prologue): Ditto.
2422         (arm_set_return_address): Ditto.
2423         (thumb_set_return_address): Ditto.
2424         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
2425         regs to achieve stack alignment.
2426         (thumb1_compute_save_reg_mask): Fix compiler warning.
2427         (arm_output_epilogue): Use offsets->saved_regs_mask.
2428         Adjust stack pointer by poping call clobered registers.
2429         (arm_expand_prologue): Use offsets->saved_regs_mask.
2430         Adjust stack pointer by pushing extra registers.
2431         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
2433 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
2435         PR tree-opt/35422
2436         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
2437         conversion to the operands of a multiplication.
2439 2008-03-12  Richard Guenther  <rguenther@suse.de>
2441         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
2442         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
2443         * timevar.def (TV_TREE_PHIPROP): Add.
2444         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
2445         pass description.  Use TV_TREE_PHIPROP.
2446         * tree-ssa-forwprop.c: Remove phiprop code.
2448 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
2450         PR middle-end/35549
2451         * omp-low.c (maybe_lookup_decl): Constify first argument.
2452         (use_pointer_for_field): Change last argument from bool to
2453         omp_context *.  Disallow shared copy-in/out in nested
2454         parallel if decl is shared in outer parallel too.
2455         (build_outer_var_ref, scan_sharing_clauses,
2456         lower_rec_input_clauses, lower_copyprivate_clauses,
2457         lower_send_clauses, lower_send_shared_vars): Adjust callers.
2459 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
2460             Ira Rosen  <irar@il.ibm.com>
2462         * tree-vectorizer.c (free_stmt_vec_info): New function.
2463         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
2464         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
2465         * tree-vectorizer.h (free_stmt_vec_info): Declare.
2466         * tree-vect-transform.c (vectorizable_conversion): Free
2467         vec_oprnds0 if it was allocated.
2468         (vect_permute_store_chain): Remove unused VECs.
2469         (vectorizable_store): Free VECs that are allocated in the..
2470         function.
2471         (vect_transform_strided_load, vectorizable_load): Likewise.
2472         (vect_remove_stores): Simplify the code.
2473         (vect_transform_loop): Move code to vect_remove_stores().
2474         Call vect_remove_stores() and free_stmt_vec_info().
2476 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2478         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
2479         TARGET_HPUX.  Revise comment.
2480         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
2481         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
2482         Use sr4 variant of `be' instruction when not generating PIC code.
2483         (attr_length_call): Adjust for above change.
2485 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2487         * ipa-reference.c (static_execute): Remove module_statics_const and
2488         associated setting code.
2490 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2492         PR target/35540
2493         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2494         predicate for operand 1.
2495         (paritysi2_cmp): Use register_operand predicate for operand 2.
2496         Use earlyclobber modifier for operand 1.  Remove support for
2497         memory operands.
2498         (paritydi2_cmp): Use register_operand predicate for operand 3.
2499         Use earlyclobber modifier for operand 1.  Remove support for
2500         memory operands.
2502 2008-03-11  Paul Brook  <paul@codesourcery.com>
2503             Vladimir Prus  <vladimir@codesourcery.com>
2505         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2506         (arm_compute_save_reg0_reg12_mask): Always
2507         check if register 11 must be saved.  Always safe hard frame pointer
2508         when frame_pointer_needeed.
2509         (arm_compute_save_reg_mask): Save IP and PC
2510         only with apcs frames.
2511         (arm_output_epilogue): Adjust Thumb2 codepath to
2512         be also invoked and work for ARM non-apcs frames.
2513         (arm_expand_prologue): Don't bother saving IP
2514         for non-apcs frame, since it's not clobbered by
2515         prologue code.  Implement non-apcs frame
2516         layout.
2518 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2520         PR rtl-optimization/35281
2521         * expr.c (convert_move): Use a new pseudo for the intermediate
2522         from_mode->word_mode result.
2524 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2526         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2527         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2528         * toplev.c (compile_file): Don't call it.
2530 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2532         PR middle-end/35526
2533         * expr.c (store_expr): Call emit_block_move if the mode
2534         of "temp" RTX is BLKmode.
2536 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2537             Richard Guenther  <rguenther@suse.de>
2539         PR tree-optimization/31358
2540         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2541         the step with a NULL_TREE.
2542         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2543         to sizetype if type is a pointer type.
2544         (add_candidate_1): Don't convert the base and step to
2545         the generic type if the orginal type is a pointer type.
2546         (add_iv_value_candidates): Use sizetype for the step
2547         if type is a pointer type.
2548         (cand_value_at): Likewise.
2549         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2550         for pointer types.
2551         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2552         Don't convert the tem affine to the type.
2553         (add_elt_to_tree): Use sizetype for the step if a pointer.
2554         Use POINTER_PLUS_EXPR for pointers.
2555         (aff_combination_to_tree): Use sizetype for the step if a
2556         pointer.
2558 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
2560         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2561         Remove commutativity hint.
2563 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
2565         PR c/35438
2566         PR c/35439
2567         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2568         errorneous type.  Check that v is a VAR_DECL.
2570         PR middle-end/35099
2571         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2573 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
2575         PR tree-optimization/35494
2576         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2577         may be overriden at link and run time.
2579 2008-03-10  Richard Guenther  <rguenther@suse.de>
2581         PR tree-optimization/34677
2582         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2583         (poolify_tree): Likewise.
2584         (modify_expr_template): Likewise.
2585         (poolify_modify_stmt): Likewise.
2586         (insert_fake_stores): Handle all component-ref style stores
2587         in addition to INDIRECT_REF.  Also handle complex types.
2588         Do not poolify the inserted load.
2589         (realify_fake_stores): Do not rebuild the tree but only
2590         make it a SSA_NAME copy.
2591         (init_pre): Remove initialzation of modify_expr_template.
2592         Do not allocate modify_expr_node_pool.
2593         (fini_pre): Do not free modify_expr_node_pool.
2595 2008-03-10  Paul Brook  <paul@codesourcery.com>
2597         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2598         to avoid conflicts.
2600 2008-03-10  Paul Brook  <paul@codesourcery.com>
2601             Mark Shinwell  <shinwell@codesourcery.com>
2603         * config/arm/cortex-r4.md: New.
2604         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2605         insn attributes.
2606         * config/arm/arm.md: Include cortex-r4.md.
2607         (insn): Add smmls, sdiv and udiv values.
2608         (generic_sched): Don't use generic scheduling for Cortex-R4.
2609         (arm_issue_rate): New function.
2610         (TARGET_SCHED_ISSUE_RATE): Define.
2612 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2614         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2616 2008-03-10  Richard Guenther  <rguenther@suse.de>
2618         * tree-ssa-pre.c (get_sccvn_value): Simplify.
2619         (compute_avail): Do not add stmt uses to AVAIL_OUT.
2621 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
2623         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2624         Set default to true.
2626 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2628         * c.opt (Wsynth): Deprecate.
2629         * doc/invoke.texi (Option Summary, Warning Options): Document
2630         -Wno-format-contains-nul.
2632 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
2634         PR target/35496
2635         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2636         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2638 2008-03-09  Ira Rosen  <irar@il.ibm.com>
2640         * config/rs6000/rs6000.c (builtin_description): Rename vector
2641         left shift operations.
2642         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2643         (altivec_vsl<VI_char>): Rename to ...
2644         (ashl<mode>3): ... new name.
2645         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2646         gen_ashlv4si3.
2647         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2649 2008-03-08  Richard Guenther  <rguenther@suse.de>
2651         * coverage.h (tree_coverage_counter_addr): Declare.
2652         * coverage.c (tree_coverage_counter_addr): New function.
2653         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2654         before using again.
2655         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2656         (tree_gen_one_value_profiler): Likewise.
2657         (tree_gen_ic_profiler): Likewise.
2658         (tree_gen_average_profiler): Likewise.
2659         (tree_gen_ior_profiler): Likewise.
2661 2008-03-08  Richard Guenther  <rguenther@suse.de>
2663         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2664         (vn_binary_op_insert): Likewise.
2665         (vn_unary_op_lookup): Likewise.
2666         (vn_unary_op_insert): Likewise.
2667         (vn_nary_op_lookup): Declare.
2668         (vn_nary_op_insert): Likewise.
2669         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2670         and binary hashes, use a single obstack for unary_op_pool
2671         and binary_op_pool.
2672         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2673         a single struct vn_nary_op_s.  Store tree code length and
2674         a variable number of operands.
2675         (struct vn_reference_op_struct): Remove unused op2.
2676         (vn_reference_op_eq): Do not compare op2.
2677         (vn_reference_op_compute_hash): Do not compute hash of op2.
2678         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2679         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2680         with vn_nary_op_compute_hash.
2681         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2682         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2683         vn_nary_op_lookup.
2684         (vn_unary_op_insert, vn_binary_op_insert): Replace with
2685         vn_nary_op_insert.
2686         (visit_unary_op): Call nary functions.
2687         (visit_binary_op): Likewise.
2688         (process_scc): Adjust for struct vn_tables_s changes.
2689         (allocate_vn_table): Likewise.
2690         (free_vn_table): Likewise.
2691         * tree-vn.c (vn_add): Call nary functions.
2692         (vn_lookup): Likewise.
2694 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2696         PR target/35498
2697         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2698         wdst back after sync_compare_and_swapqhi_internal.
2700 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2702         PR target/22152
2703         * config/i386/i386-modes.def (V1DI): New vector mode.
2704         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2705         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2706         (MMXMODE248): Ditto.
2707         (MMXMODE): Add V1DI mode.
2708         (mmxvecsize): Change DI mode to V1DI mode.
2709         ("mov<mode>): Use MMXMODEI8 mode iterator.
2710         ("*mov<mode>_internal_rex64"): Ditto.
2711         ("*mov<mode>_internal"): Ditto.
2712         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2713         ("mmx_sub<mode>3"): Ditto.
2714         ("mmx_adddi3"): Remove insn pattern.
2715         ("mmx_subdi3"): Ditto.
2716         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2717         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2718         ("mmx_ashl<mode>3"): Ditto.
2719         ("mmx_lshrdi3"): Remove insn pattern.
2720         ("mmx_ashldi3"): Ditto.
2721         * config/i386/i386.c (classify_argument): Handle V1DImode.
2722         (function_arg_advance_32): Ditto.
2723         (function_arg_32): Ditto.
2724         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2725         mmx_addv1di3 insn pattern.
2726         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2727         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2728         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2729         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2730         Remove definitions of built-in functions.
2731         (V1DI_type_node): New node.
2732         (v1di_ftype_v1di_int): Ditto.
2733         (v1di_ftype_v1di_v1di): Ditto.
2734         (v2si_ftype_v2si_si): Ditto.
2735         (v4hi_ftype_v4hi_di): Remove node.
2736         (v2si_ftype_v2si_di): Ditto.
2737         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2738         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2739         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2740         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2741         Add new builtins using def_builtin_const.
2742         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2743         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2744         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2745         * config/i386/mmintrin.h (__v1di): New typedef.
2746         (_mm_add_si64): Cast arguments to __v1di type.
2747         (_mm_sub_si64): Ditto.
2748         (_mm_sll_pi16): Cast __count to __v4hi type.
2749         (_mm_sll_pi32): Cast __count to __v2si type.
2750         (_mm_sll_si64): Cast arguments to __v1di type.
2751         (_mm_srl_pi16): Cast __count to __v4hi type.
2752         (_mm_srl_pi32): Cast __count to __v2si type.
2753         (_mm_srl_si64): Cast arguments to __v1di type.
2754         (_mm_sra_pi16): Cast __count to __v4hi type.
2755         (_mm_sra_pi32): Cast __count to __v2si type.
2756         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2757         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2758         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2759         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2760         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2761         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2762         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2763         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2764         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2765         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2766         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2767         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2769 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2771         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2773 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2775         PR target/35373
2776         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2777         reg+const addressing for Altivec modes.  Don't generate reg+reg
2778         addressing for TFmode or TDmode quantities.
2780 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2782         * c-common.c (vector_types_convertible_p): Call langhook
2783         instead of comptypes.
2785 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2787         PR tree-opt/35402
2788         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2789         integral and scalar float variables which have a
2790         NULL DECL_INITIAL.
2792 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2794         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2795         dwarf_register_span hook when emitting unwind information for
2796         register-to-memory saves.
2797         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2798         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2800 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2802         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2803         for the same VAR_DECL.
2805 2008-03-06  Tom Tromey  <tromey@redhat.com>
2807         * treelang: Delete.
2808         * doc/standards.texi (Standards): Don't mention treelang.
2809         * doc/invoke.texi (Overall Options): Don't mention treelang.
2810         * doc/install.texi (Prerequisites): Don't mention bison or
2811         treelang.
2812         (Configuration): Don't mention treelang.
2813         (Building): Likewise.
2814         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2816 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2818         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2819         word-extractions out of a multi-word object.
2821 2008-03-06  Richard Guenther  <rguenther@suse.de>
2823         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2824         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2825         result type and precision.
2826         * expr.c (get_inner_reference): Set unsignedp based on the result
2827         type of BIT_FIELD_REF.
2828         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2829         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2830         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2831         for BIT_FIELD_REF.
2832         (sra_build_assignment): Likewise.
2833         (sra_build_elt_assignment): Likewise.
2834         (sra_explode_bitfield_assignment): Likewise.
2835         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2836         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2837         set BIT_FIELD_REF_UNSIGNED.
2838         (vectorizable_load): Likewise.
2840 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2842         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2843         at bb start.
2845 2008-03-06  Richard Guenther  <rguenther@suse.de>
2847         * alias.c (struct alias_set_entry): Move has_zero_child field
2848         to pack with alias_set.
2850 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2852         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2853         32bit host.
2855 2008-03-05  Ian Lance Taylor  <iant@google.com>
2857         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2859 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2861         * fwprop.c (update_df): Support width and offset parameters of
2862         df_ref_create.
2863         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2864         global_conflicts): 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-scan.c (df_ref_record, df_defs_record,
2868         df_ref_create_structure, df_def_record_1, df_uses_record,
2869         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2870         df_bb_refs_collect, df_entry_block_defs_collect,
2871         df_exit_block_uses_collect): Support new width and offset fields.
2872         (ref_extract_pool): New storage pool.
2873         (df_free_ref): New function.
2874         (df_reg_chain_unlink, df_free_collection_rec,
2875         df_sort_and_compress_refs): Call df_free_ref.
2876         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2877         of df_ref_extract.
2878         (df_ref_create_structure): Allocate df_ref_extract if offset and
2879         width fields are used.
2880         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2881         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2882         and SIGN_EXTRACT.
2883         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2884         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2885         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2886         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2887         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2888         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2889         (df_ref_extract): New structure.
2890         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2891         (df_ref_create): Add width and offset parameters.
2892         
2893 2008-03-05  Richard Guenther  <rguenther@suse.de>
2895         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2896         Use ranges_overlap_p.
2897         (offset_overlaps_with_access): Rename
2898         to ranges_overlap_p and move ...
2899         * tree-flow-inline.h (ranges_overlap_p): ... here.
2901         * tree.h (get_inner_reference, handled_component_p): Update
2902         comments.
2904         * tree.h (record_component_aliases, get_alias_set,
2905         alias_sets_conflict_p, alias_sets_must_conflict_p,
2906         objects_must_conflict_p): Move declarations ...
2907         * alias.h (record_component_aliases, get_alias_set,
2908         alias_sets_conflict_p, alias_sets_must_conflict_p,
2909         objects_must_conflict_p): ... here.
2910         Include coretypes.h.
2911         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2913 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2915         * cfg.c: Include tree-flow.h.
2916         (remove_edge_raw): Call redirect_edge_var_map_clear.
2917         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2918         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2919         (redirect_edge_var_map_result): New.
2920         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2921         PENDING_STMT use with redirect_edge_var_map_*.
2922         * tree-ssa.c (edge_var_maps): New definition.
2923         (redirect_edge_var_map_add): New.
2924         (redirect_edge_var_map_clear): New.
2925         (redirect_edge_var_map_dup): New.
2926         (redirect_edge_var_map_vector): New.
2927         (redirect_edge_var_map_destroy): New.
2928         (ssa_redirect_edge): Replace PENDING_STMT use with
2929         redirect_edge_var_map_*.
2930         (flush_pending_stmts): Same.
2931         (delete_tree_ssa): Destroy edge var map.
2932         * tree-flow.h (struct _edge_var_map): New.
2933         Define edge_var_map vector type.
2934         Declare redirect_edge_var_map_* prototypes.
2935         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2936         * tree-cfg.c (reinstall_phi_args): Replace
2937         PENDING_STMT use with redirect_edge_var_map_*.
2939 2008-03-05  Richard Guenther  <rguenther@suse.de>
2941         PR tree-optimization/35472
2942         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2943         whose single use_stmt has a overlapping set of loaded and
2944         stored symbols as that use_stmt might be a noop assignment then.
2946 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2948         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2950 2008-03-05  Richard Guenther  <rguenther@suse.de>
2952         PR c++/35336
2953         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2954         should be constants.
2955         * tree-cfg.c (verify_expr): Verify it.
2956         * fold-const.c (fold_truthop): Remove code generating
2957         BIT_FIELD_REFs of structure bases.
2958         (fold_binary): Likewise.
2959         (fold_ternary): Position and size of BIT_FIELD_REFs are
2960         always host integers.
2961         (make_bit_field_ref): Remove.
2962         (optimize_bit_field_compare): Remove.
2963         (all_ones_mask_p): Remove.
2965 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2967         PR gcc/33009
2968         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2969         (split_block_and_df_analyze): New. Split basic block and rebuild
2970         dataflow.
2971         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2972         SPLIT_BLOCK.
2973         (split_pattern_seq): Likewise.
2974         (erase_matching_seqs): Likewise.
2975         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2977 2008-03-04  Geoff Keating  <geoffk@apple.com>
2979         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2980         declaration and code.
2981         (tree_invalid_nonnegative_warnv_p): Likewise.
2983 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2985         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2986         examples.  Truncate option-names then causing overfull hbox.
2988 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2990         PR target/35222
2991         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2992         on hpux10.
2993         * configure: Rebuilt.
2995 2008-03-04  Rafael Espindola  <espindola@google.com>
2997         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2998         (tree_unary_nonnegative_warnv_p): New.
2999         (tree_binary_nonnegative_warnv_p): New.
3000         (tree_single_nonnegative_warnv_p): New.
3001         (tree_invalid_nonnegative_warnv_p): New.
3002         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
3004 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3006         PR 28322
3007         * opts.c (handle_option): Postpone 'unknown option' errors only for
3008         warning options.
3010 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
3012         PR target/35453
3013         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
3014         (_SIDD_XXX): This.
3016 2008-03-04  Rafael Espindola  <espindola@google.com>
3018         * fold-const.c (tree_unary_nonzero_warnv_p): New.
3019         (tree_binary_nonzero_warnv_p): New.
3020         (tree_single_nonzero_warnv_p): New.
3021         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
3023 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
3025         PR middle-end/35456
3026         * fold-const.c (fold_cond_expr_with_comparison): Prevent
3027         transformations for modes that have signed zeros.
3028         * ifcvt.c (noce_try_abs): Ditto.
3030 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
3032         * config/i386/i386.c (override_options): Force
3033         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
3035 2008-03-04  Jan Hubicka  <jh@suse.cz>
3037         PR c++/35262
3038         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
3039         in last commit.
3041 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
3043         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
3044         label to probe the stack.
3046 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
3048         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
3049         (__gthr_win32_mutex_destroy): Declare.
3050         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
3051         __gthr_win32_mutex_destroy.
3052         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
3054 2008-03-03  Jan Hubicka  <jh@suse.cz>
3056         PR c++/35262
3057         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
3058         aggressive on inlining cold calls.
3060 2008-03-03  Richard Guenther  <rguenther@suse.de>
3062         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
3063         struct copies into the expression table.
3064         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
3065         (try_to_simplify): Likewise.
3066         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
3067         integral and pointer arguments which do not change the
3068         precision to NOP_EXPRs.
3069         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
3070         VIEW_CONVERT_EXPR case.
3072 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3074         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
3075         defined in a loop at depth 0 is invariant.
3076         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3077         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
3078         be called at loop depth 0.
3080 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
3082         PR driver/35420
3083         * gcc.c (process_command): Update copyright notice dates.
3084         * gcov.c (print_version): Likewise.
3085         * gcov-dump.c (print_version): Likewise.
3086         * mips-tfile.c (main): Likewise.
3087         * mips-tdump.c (main): Likewise.
3089 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3091         PR 24924
3092         * c-common.c (flag_permissive): Delete.
3093         (constant_expression_warnings): Check flags first.
3094         (constant_expression_error): New.
3095         * c-common.h (flag_permissive): Delete.
3096         (constant_expression_error): Declare.
3097         * flags.h (flag_permissive): Declare. Update description.
3098         * diagnostic.c (pedwarn): Update.
3099         (permerror): New.
3100         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
3101         (permissive_error_kind): New.
3102         * toplev.c (flag_permissive): Define. Update description.
3103         * toplev.h (permissive_error_kind): Declare.
3104         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
3105         (pedwarn_c90): Use pedantic_warning_kind.
3106         * c-opts.c (c_common_post_options): flag_permissive does not affect
3107         flag_pedantic_errors.
3109 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
3111         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
3112         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
3113         __absvsi2, __absvDI2): Use unsigned arithmetic.
3115 2008-03-02  Andi Kleen  <ak@suse.de>
3116             Richard Guenther  <rguenther@suse.de>
3118         * struct-equiv.c: Remove file.
3119         * cfg_cleanup.c (condjump_equiv_p): Remove.
3120         * Makefile.in (OBJS-common): Remove struct-equiv.o.
3121         (struct-equiv.o): Remove rule.
3122         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
3123         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
3124         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
3126 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
3128         * ifcvt.c (noce_process_if_block): Try to handle only the then
3129         block if the else block exists but isn't suitable.
3131 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
3133         PR gcc/35063
3134         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
3135         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
3136         regression from previous patch.
3138 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
3140         PR gcc/35063
3141         * gthr.h: Add __gthread_mutex_destroy as a function that must be
3142         implemented.
3143         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
3144         * gthr-single.h (__gthread_mutex_destroy): Likewise.
3145         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
3146         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
3147         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
3148         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
3149         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
3150         (__gthread_mutex_destroy_function): Rename to
3151         __gthread_mutex_destroy.
3152         * gthr-dce.h (__gthread_mutex_destroy): Call
3153         pthread_mutex_destroy.
3154         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
3155         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
3156         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
3158 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
3160         * df-scan.c (df_ref_chain_change_bb): Simplify.
3161         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
3162         set_block_for_insn if there's any change.
3163         * df.h ((df_insn_change_bb): Fix prototype.
3164         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
3165         df_insn_change_bb, don't call set_block_for_insn.
3166         * emit-rtl.c (reorder_insns): Likewise.
3167         * haifa-sched.c (move_insn): Likewise.
3169 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
3171         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
3173 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
3175         * tree-flow-inline.h (next_readonly_imm_use): Return
3176         NULL_USE_OPERAND_P after the end.
3178 2008-03-01  Richard Guenther  <rguenther@suse.de>
3180         PR tree-optimization/35411
3181         * tree-sra.c (sra_build_assignment): Split conversion to
3182         final type to a separate statement if we are not assigning
3183         to a register.
3185 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3187         * fold-const.c (fold_convertible_p): Correct the logic to follow
3188         that in fold_convert().
3190 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
3192         PR c++/35315
3193         * tree-inline.c (build_duplicate_type): When we make a
3194         duplicate type, make it unique in the canonical types system.
3196 2008-02-29  Tom Tromey  <tromey@redhat.com>
3198         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
3199         input_file_stack_history, input_file_stack_restored): Remove.
3200         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3201         * input.h (struct file_stack): Remove.
3202         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3203         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
3204         Likewise.
3205         * diagnostic.h (struct diagnostic_context) <last_module>: Change
3206         type.
3207         (diagnostic_last_module_changed): Add 'map' argument.
3208         (diagnostic_set_last_function): Likewise.
3209         * diagnostic.c (undiagnostic_report_current_module): Iterate using
3210         line map, not input_file_stack.
3211         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
3213 2008-02-29  Paul Brook  <paul@codesourcery.com>
3215         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
3217 2008-02-29  Paul Brook  <paul@codesourcery.com>
3219         * config/arm/ieee754-df.S (muldf3): Use RET macros.
3221 2008-02-29  Richard Guenther  <rguenther@suse.de>
3223         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
3224         vn_lookup_or_add.
3225         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
3226         value for comparing for a store match.
3227         (simplify_unary_expression): Do nothing for SSA_NAMEs.
3228         (try_to_simplify): Do not do a full-blown reference lookup.
3230 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
3232         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
3233         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3235         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
3237 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
3239         * tree-loop-linear.c (try_interchange_loops): Compare memory access
3240         strides against cache sizes.
3242 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
3244         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
3245         constant to fpul.
3247 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
3249         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
3250         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
3251         is smaller than the original promoted value.
3252         (simplify_subreg): If OP is a SUBREG, try to preserve its
3253         SUBREG_PROMOTED_VAR_P information.
3255 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
3257         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
3258         (VN_INFO_GET): Allocate new objects on the obstack.
3259         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
3260         for rpo_numbers_temp, for consistency.
3261         (free_scc_vn): Free the obstack.
3263 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
3265         * doc/invoke.texi: Document -ftree-loop-distribution.
3266         * tree-loop-distribution.c: New.
3267         * tree-pass.h (pass_loop_distribution): New.
3268         * graphds.h (struct graph): Add htab_t indices.
3269         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
3270         * tree-vectorizer.c (rename_variables_in_loop): Extern.
3271         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
3272         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
3273         * tree-data-ref.c (debug_data_dependence_relations): New.
3274         (dump_data_dependence_relation): Also print data references.
3275         (free_data_ref): Extern.
3276         (same_access_functions): Moved...
3277         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
3278         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3279         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
3280         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
3281         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
3282         (stmts_from_loop): Skip LABEL_EXPR.
3283         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
3284         New.
3285         (build_rdg): Initialize rdg->indices htab.
3286         (free_rdg, stores_from_loop, ref_base_address,
3287         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
3288         have_similar_memory_accesses_1, ref_base_address_1,
3289         remove_similar_memory_refs): New.
3290         * tree-data-ref.h: Depend on tree-chrec.h.
3291         (debug_data_dependence_relations, free_data_ref): Declared.
3292         (same_access_functions): ... here.
3293         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
3294         New.
3295         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
3296         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
3297         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
3298         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3299         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
3300         rdg_vertex_for_stmt): Declared.
3301         (struct rdg_edge): Add level.
3302         (RDGE_LEVEL): New.
3303         (free_rdg, stores_from_loop, remove_similar_memory_refs,
3304         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
3305         Declared.
3306         (rdg_has_similar_memory_accesses): New.
3307         * tree-vect-analyze.c: Remove unused static decls.
3308         * lambda.h (dependence_level): New.
3309         * common.opt (ftree-loop-distribution): New.
3310         * tree-flow.h (mark_virtual_ops_in_bb, 
3311         slpeel_tree_duplicate_loop_to_edge_cfg,
3312         rename_variables_in_loop): Declared.
3313         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
3314         (OBJS-common): Add tree-loop-distribution.o.
3315         (tree-loop-distribution.o): New rule.
3316         * tree-cfg.c (mark_virtual_ops_in_bb): New.
3317         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
3318         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
3320 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
3322         PR target/33963
3323         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
3324         other than structures and unions.
3326 2008-02-28  Richard Guenther  <rguenther@suse.de>
3328         Revert:
3329         2008-02-26  Richard Guenther  <rguenther@suse.de>
3331         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3332         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3333         (lookup_decl_from_uid): Declare.
3334         (remove_decl_from_map): Likewise.
3335         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3336         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3337         (decl_for_uid_map): New global hashtable mapping DECL_UID
3338         to the decl tree.
3339         (init_ttree): Allocate it.
3340         (insert_decl_to_uid_decl_map): New helper function.
3341         (make_node_stat): Insert new decls into the map.
3342         (copy_node_stat): Likewise.
3343         (lookup_decl_from_uid): New function.
3344         (remove_decl_from_map): Likewise.
3345         (print_decl_for_uid_map_statistics): New helper.
3346         (dump_tree_statistics): Call it.
3348         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3349         (referenced_var_iterator): Adjust.
3350         (FOR_EACH_REFERENCED_VAR): Adjust.
3351         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3352         (num_referenced_vars): Adjust.
3353         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3354         (first_referenced_var): Remove.
3355         (end_referenced_vars_p): Likewise.
3356         (next_referenced_var): Likewise.
3357         (referenced_var_iterator_set): New helper function.
3358         * tree-dfa.c (referenced_var_lookup): Adjust.
3359         (referenced_var_check_and_insert): Likewise.
3360         (remove_referenced_var): Likewise.
3361         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3362         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3363         (verify_call_clobbering): Likewise.
3364         (verify_memory_partitions): Likewise.
3365         (init_tree_ssa): Allocate bitmap instead of hashtable for
3366         referenced_vars.
3367         (delete_tree_ssa): Adjust.
3368         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3369         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3370         (compute_tag_properties): Likewise.
3371         (set_initial_properties): Likewise.
3372         (find_partition_for): Likewise.
3373         (update_reference_counts): Likewise.
3374         (dump_may_aliases_for): Likewise.
3375         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3376         (add_call_clobber_ops): Likewise.
3377         (add_call_read_ops): Likewise.
3378         (get_asm_expr_operands): Likewise.
3379         * tree-into-ssa.c (dump_decl_set): Likewise.
3380         (update_ssa): Likewise.
3381         * tree-sra.c (scan_function): Likewise.
3382         (decide_instantiations): Likewise.
3383         (scalarize_parms): Likewise.
3384         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3385         (dsa_named_for): Likewise.
3386         * tree-ssa-structalias.c (update_alias_info): Likewise.
3387         (merge_smts_into): Likewise.
3389 2008-02-27  David Daney  <ddaney@avtrex.com>
3391         PR target/34409
3392         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
3393         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
3394         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
3395         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
3396         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
3398 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
3400         PR target/25477
3401         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
3402         (BUILT_IN_NEXTTOWARD): Remove.
3403         (BUILT_IN_NEXTTOWARDF): Ditto.
3404         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
3405         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
3407 2008-02-27  Tom Tromey  <tromey@redhat.com>
3409         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
3410         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
3412 2008-02-27  Jan Beulich  <jbeulich@novell.com>
3414         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
3415         update the respective field on newdecl.
3417 2008-02-27  Revital Eres  <eres@il.ibm.com>
3419         PR rtl-optimization/34999
3420         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
3421         crossing edges that ends with a call insn.
3422         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
3423         call insn and clear the EDGE_CROSSING flag of the crossing edge
3424         when fixing fallthru edges.
3426 2008-02-27  Richard Guenther  <rguenther@suse.de>
3428         PR middle-end/35390
3429         * fold-const.c (fold_unary): Return the correct argument,
3430         converted to the result type.
3432 2008-02-27  Richard Guenther  <rguenther@suse.de>
3434         PR middle-end/34971
3435         * expr.c (expand_expr_real_1): Assert on rotates that operate
3436         on partial modes.
3437         * fold-const.c (fold_binary): Use the types precision, not the
3438         bitsize of the mode if folding rotate expressions.  Build rotates
3439         only for full modes.
3441 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
3443         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
3444         and CPP_PRAGMA_EOL.
3445         * c-pragma.c (pragma_ns_name): New typedef.
3446         (registered_pp_pragmas): New variable.
3447         (c_pp_lookup_pragma): New function.
3448         (c_register_pragma_1): If flag_preprocess_only, do nothing
3449         for non-expanded pragmas, for expanded ones push pragma's
3450         namespace and name into registered_pp_pragmas vector.
3451         (c_invoke_pragma_handler): Register OpenMP pragmas even when
3452         flag_preprocess_only, don't register GCC pch_preprocess
3453         pragma if flag_preprocess_only.
3454         * c-opts.c (c_common_init): Call init_pragma even if
3455         flag_preprocess_only.
3456         * c-pragma.c (c_pp_lookup_pragma): New prototype.
3457         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
3458         cpp_register_pragma if flag_preprocess_only.
3460 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3462         PR c/28800
3463         * c-parser.c (c_parser_translation_unit): Warn for empty
3464         translation unit, not empty source file.
3466 2008-02-26  Paul Brook  <paul@codesourcery.com>
3468         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
3469         operand for Thumb-2.
3470         * config/arm/arm.h (reg_class): Add CORE_REGS.
3471         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
3472         (BASE_REG_CLASS): Use CORE_REGS.
3473         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
3474         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
3475         (REGNO_OK_FOR_INDEX_P): Exclude SP.
3476         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
3477         ARM_REGNO_OK_FOR_INDEX_P.
3478         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
3479         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
3480         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
3481         (ldm/stm peepholes): Ditto.
3482         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
3483         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
3484         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
3485         * config/arm/constraints.md: Enable "k" constraint on ARM.
3487 2008-02-27  Ben Elliston  <bje@au.ibm.com>
3489         * config/rs6000/rs6000.c: Annotate cache line size field in all
3490         instances of struct processor_costs.
3492 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
3494         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3495         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3496         jump_bypass): New counters.
3497         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3498         * dce.c (gate_ud_dce): Same.
3499         (gate_fast_dce): Same.
3500         * dse.c (gate_dse1): New function.
3501         (gate_dse2): New function.
3502         (gate_dse): Merge results of new gate functions.
3503         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3504         (gate_handle_jump_bypass): Add dbg_cnt.
3505         (gate_handle_gcse): Add dbg_cnt.
3506         * ifcvt.c (gate_handle_if_conversion): Same.
3507         (gate_handle_if_after_combine): Same.
3508         (gate_handle_if_after_reload): Same.
3509         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3511 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
3513         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3514         line sizes.
3515         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3517 2008-02-26  Jason Merrill  <jason@redhat.com>
3519         PR c++/35315
3520         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
3521         alone if it's the naming decl for the type's main variant.
3523 2008-02-26  Tom Tromey  <tromey@redhat.com>
3525         * system.h (USE_MAPPED_LOCATION): Poison.
3526         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3527         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3528         (make_goto_expr_edges): Likewise.
3529         (remove_bb): Likewise.
3530         (execute_warn_function_return): Likewise.
3531         * basic-block.h (struct edge_def) <goto_locus>: Change type to
3532         location_t.
3533         * c-common.c (fname_decl): Remove old location code.
3534         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3535         location code.
3536         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3537         variant.
3538         (ASM_INPUT_SOURCE_LOCATION): Likewise.
3539         (gen_rtx_ASM_INPUT): Likewise.
3540         (gen_rtx_ASM_INPUT_loc): Likewise.
3541         (get_rtx_asm_OPERANDS): Remove.
3542         * cfglayout.c (insn_locators_alloc): Remove old location code.
3543         (set_curr_insn_source_location): Likewise.
3544         (curr_insn_locator): Likewise.
3545         * print-tree.c (print_node): Remove old location code.
3546         * tree-mudflap.c (mf_varname_tree): Remove old location code.
3547         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3548         * cfgexpand.c (expand_gimple_cond_expr): Don't use
3549         location_from_locus.
3550         (construct_exit_block): Remove old location code.
3551         * emit-rtl.c (force_next_line_note): Remove old location code.
3552         * profile.c (branch_prob): Remove old location code.
3553         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3554         LOC_LINE): Remove old-location variants.
3555         * langhooks.c (lhd_print_error_function): Remove old location
3556         code.
3557         * configure, config.in: Rebuilt.
3558         * configure.ac (--enable-mapped-location): Remove.
3559         * c-decl.c (c_init_decl_processing): Remove old location code.
3560         (finish_function): Likewise.
3561         * recog.c (decode_asm_operands): Remove old location code.
3562         * c-pch.c (c_common_read_pch): Remove old location code.
3563         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3564         variants.
3565         * gimple-low.c (lower_function_body): Remove old location code.
3566         * toplev.c (unknown_location): Remove.
3567         (push_srcloc): Remove old-location variant.
3568         (process_options): Remove old location code.
3569         (lang_dependent_init): Likewise.
3570         * input.h (UNKNOWN_LOCATION): Move definition.
3571         (location_t): Undeprecate.
3572         (source_locus): Remove.
3573         (location_from_locus): Remove.
3574         (struct location_s): Remove.
3575         Remove all old-location code.
3576         (input_line, input_filename): Remove.
3577         * final.c (final_scan_insn): Remove old location code.
3578         * diagnostic.c (diagnostic_build_prefix): Remove
3579         USE_MAPPED_LOCATION test.
3580         * tree.h (gimple_stmt) <locus>: Now a location_t.
3581         (tree_exp) <locus>: Likewise.
3582         (DECL_IS_BUILTIN): Remove old-location variant.
3583         (annotate_with_file_line, annotate_with_locus): Likewise.
3584         (expr_locus, set_expr_locus): Update.
3585         * tree.c (build1_stat): Remove old location code.
3586         (last_annotated_node): Remove.
3587         (annotate_with_file_line): Remove old-location variant.
3588         (annotate_with_locus): Likewise.
3589         (expr_location): Remove old location code.
3590         (set_expr_location): Likewise.
3591         (expr_has_location): Likewise.
3592         (expr_locus): Likewise.
3593         (set_expr_locus): Likewise.
3594         (expr_filename): Don't use location_from_locus.
3595         (expr_lineno): Likewise.
3596         * rtl-error.c (location_for_asm): Remove old location code.
3597         * c-lex.c (cb_line_change): Remove old location code.
3598         (fe_file_change): Likewise.
3599         (cb_def_pragma): Likewise.
3600         (c_lex_with_flags): Likewise.
3601         * gengtype.c (do_typedef): Don't special-case location types.
3602         (define_location_structures): Remove.
3603         (main): Don't call define_location_structures.
3604         * tree-pretty-print.c (dump_implicit_edges): Remove old location
3605         code.
3607 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3609         PR 26264
3610         * builtins.def (BUILT_IN_STDARG_START): Remove.
3611         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3612         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3613         * tree-inline.c (inline_forbidden_p_1): Likewise.
3614         
3615 2008-02-26  Richard Guenther  <rguenther@suse.de>
3617         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3618         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3619         (lookup_decl_from_uid): Declare.
3620         (remove_decl_from_map): Likewise.
3621         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3622         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3623         (decl_for_uid_map): New global hashtable mapping DECL_UID
3624         to the decl tree.
3625         (init_ttree): Allocate it.
3626         (insert_decl_to_uid_decl_map): New helper function.
3627         (make_node_stat): Insert new decls into the map.
3628         (copy_node_stat): Likewise.
3629         (lookup_decl_from_uid): New function.
3630         (remove_decl_from_map): Likewise.
3631         (print_decl_for_uid_map_statistics): New helper.
3632         (dump_tree_statistics): Call it.
3634         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3635         (referenced_var_iterator): Adjust.
3636         (FOR_EACH_REFERENCED_VAR): Adjust.
3637         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3638         (num_referenced_vars): Adjust.
3639         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3640         (first_referenced_var): Remove.
3641         (end_referenced_vars_p): Likewise.
3642         (next_referenced_var): Likewise.
3643         (referenced_var_iterator_set): New helper function.
3644         * tree-dfa.c (referenced_var_lookup): Adjust.
3645         (referenced_var_check_and_insert): Likewise.
3646         (remove_referenced_var): Likewise.
3647         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3648         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3649         (verify_call_clobbering): Likewise.
3650         (verify_memory_partitions): Likewise.
3651         (init_tree_ssa): Allocate bitmap instead of hashtable for
3652         referenced_vars.
3653         (delete_tree_ssa): Adjust.
3654         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3655         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3656         (compute_tag_properties): Likewise.
3657         (set_initial_properties): Likewise.
3658         (find_partition_for): Likewise.
3659         (update_reference_counts): Likewise.
3660         (dump_may_aliases_for): Likewise.
3661         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3662         (add_call_clobber_ops): Likewise.
3663         (add_call_read_ops): Likewise.
3664         (get_asm_expr_operands): Likewise.
3665         * tree-into-ssa.c (dump_decl_set): Likewise.
3666         (update_ssa): Likewise.
3667         * tree-sra.c (scan_function): Likewise.
3668         (decide_instantiations): Likewise.
3669         (scalarize_parms): Likewise.
3670         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3671         (dsa_named_for): Likewise.
3672         * tree-ssa-structalias.c (update_alias_info): Likewise.
3673         (merge_smts_into): Likewise.
3675 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3677         PR 34351
3678         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3679         * c-opts.c (c_common_handle_option): Wall enables
3680         Wvolatile-register-var.
3681         * common.opt: Move Wvolatile-register-var to...
3682         * c.opt: ...here.
3683         
3684 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3686         * common.opt (Wlarger-than=): New.
3687         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3688         -Wlarger-than=.
3689         * opts.c (common_handle_option): Handle -Wlarger-than=.
3690         * optc-gen.awk: Likewise.
3691         * opth-gen.awk: Likewise.
3692         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3693         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3694         
3695 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3697         * c-common.c (match_case_to_enum_1): Add appropriate
3698         OPT_W* parameter to warning.
3699         (c_do_switch_warnings): Likewise.
3700         * c-typeck.c (warning_init): Add one more parameter following
3701         'warning' function.
3702         (push_init_level): Update call to warning_init.
3703         (pop_init_level): Likewise.
3704         (add_pending_init): Likewise.
3705         (output_init_element: Likewise.
3707 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3709         PR 28322
3710         * toplev.c (toplev_main): If there are warnings or error, print
3711         errors for ignored options.
3712         * opts.c (ignored_options): New static variable.
3713         (postpone_unknown_option_error): New.
3714         (print_ignored_options): New.
3715         (handle_option): Postpone errors for unknown -Wno-* options.
3716         * opts.h (print_ignored_options): Declare.
3717         
3718 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
3720         * config/mips/mips.md (loadgp_blockage, blockage): Change type
3721         to "ghost".
3723 2008-02-25  Richard Guenther  <rguenther@suse.de>
3725         Revert:
3726         2008-02-25  Richard Guenther  <rguenther@suse.de>
3728         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3729         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3730         (lookup_decl_from_uid): Declare.
3731         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3732         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3733         (decl_for_uid_map): New global hashtable mapping DECL_UID
3734         to the decl tree.
3735         (init_ttree): Allocate it.
3736         (insert_decl_to_uid_decl_map): New helper function.
3737         (make_node_stat): Insert new decls into the map.
3738         (copy_node_stat): Likewise.
3739         (lookup_decl_from_uid): New function.
3740         (print_decl_for_uid_map_statistics): New helper.
3741         (dump_tree_statistics): Call it.
3743         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3744         (referenced_var_iterator): Adjust.
3745         (FOR_EACH_REFERENCED_VAR): Adjust.
3746         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3747         (num_referenced_vars): Adjust.
3748         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3749         (first_referenced_var): Remove.
3750         (end_referenced_vars_p): Likewise.
3751         (next_referenced_var): Likewise.
3752         (referenced_var_iterator_set): New helper function.
3753         * tree-dfa.c (referenced_var_lookup): Adjust.
3754         (referenced_var_check_and_insert): Likewise.
3755         (remove_referenced_var): Likewise.
3756         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3757         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3758         (verify_call_clobbering): Likewise.
3759         (verify_memory_partitions): Likewise.
3760         (init_tree_ssa): Allocate bitmap instead of hashtable for
3761         referenced_vars.
3762         (delete_tree_ssa): Adjust.
3763         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3764         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3765         (compute_tag_properties): Likewise.
3766         (set_initial_properties): Likewise.
3767         (find_partition_for): Likewise.
3768         (update_reference_counts): Likewise.
3769         (dump_may_aliases_for): Likewise.
3770         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3771         (add_call_clobber_ops): Likewise.
3772         (add_call_read_ops): Likewise.
3773         (get_asm_expr_operands): Likewise.
3774         * tree-into-ssa.c (dump_decl_set): Likewise.
3775         (update_ssa): Likewise.
3776         * tree-sra.c (scan_function): Likewise.
3777         (decide_instantiations): Likewise.
3778         (scalarize_parms): Likewise.
3779         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3780         (dsa_named_for): Likewise.
3781         * tree-ssa-structalias.c (update_alias_info): Likewise.
3782         (merge_smts_into): Likewise.
3784 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3786         PR fortran/29549
3787         * doc/invoke.texi (-fcx-limited-range): Document new option.
3788         * toplev.c (process_options): Handle -fcx-fortran-rules.
3789         * common.opt: Add documentation for -fcx-fortran-rules.
3791 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3793         PR c/35162
3794         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3795         actual behaviour and C99.
3796         
3797 2008-02-26  Ben Elliston  <bje@au.ibm.com>
3799         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3800         (ASM_CPU_POWER6_SPEC): Likewise.
3801         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3802         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3803         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3805 2008-02-25  Richard Guenther  <rguenther@suse.de>
3807         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3808         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3809         (lookup_decl_from_uid): Declare.
3810         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3811         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3812         (decl_for_uid_map): New global hashtable mapping DECL_UID
3813         to the decl tree.
3814         (init_ttree): Allocate it.
3815         (insert_decl_to_uid_decl_map): New helper function.
3816         (make_node_stat): Insert new decls into the map.
3817         (copy_node_stat): Likewise.
3818         (lookup_decl_from_uid): New function.
3819         (print_decl_for_uid_map_statistics): New helper.
3820         (dump_tree_statistics): Call it.
3822         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3823         (referenced_var_iterator): Adjust.
3824         (FOR_EACH_REFERENCED_VAR): Adjust.
3825         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3826         (num_referenced_vars): Adjust.
3827         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3828         (first_referenced_var): Remove.
3829         (end_referenced_vars_p): Likewise.
3830         (next_referenced_var): Likewise.
3831         (referenced_var_iterator_set): New helper function.
3832         * tree-dfa.c (referenced_var_lookup): Adjust.
3833         (referenced_var_check_and_insert): Likewise.
3834         (remove_referenced_var): Likewise.
3835         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3836         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3837         (verify_call_clobbering): Likewise.
3838         (verify_memory_partitions): Likewise.
3839         (init_tree_ssa): Allocate bitmap instead of hashtable for
3840         referenced_vars.
3841         (delete_tree_ssa): Adjust.
3842         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3843         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3844         (compute_tag_properties): Likewise.
3845         (set_initial_properties): Likewise.
3846         (find_partition_for): Likewise.
3847         (update_reference_counts): Likewise.
3848         (dump_may_aliases_for): Likewise.
3849         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3850         (add_call_clobber_ops): Likewise.
3851         (add_call_read_ops): Likewise.
3852         (get_asm_expr_operands): Likewise.
3853         * tree-into-ssa.c (dump_decl_set): Likewise.
3854         (update_ssa): Likewise.
3855         * tree-sra.c (scan_function): Likewise.
3856         (decide_instantiations): Likewise.
3857         (scalarize_parms): Likewise.
3858         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3859         (dsa_named_for): Likewise.
3860         * tree-ssa-structalias.c (update_alias_info): Likewise.
3861         (merge_smts_into): Likewise.
3863 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3865         PR target/35258
3866         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3867         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3868         * alias.h (nonoverlapping_memrefs_p): Likewise.
3870 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3872         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3873         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3874         __emultls_get_address, __emultls_register_common,
3875         __floatundi?f, and _Unwind_GetIPInfo.
3876         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3877         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3878         (gen_regparm_prefix): Likewise.
3879         (i386_nlm_encode_section_info): Sync with
3880         config/i386/winnt.c:i386_pe_encode_section_info().
3881         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3882         i386_nlm_mangle_decl_assembler_name): New.
3883         (netware_override_options): New.
3884         * config/i386/netware.h (netware_override_options): Declare.
3885         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3886         (i386_nlm_mangle_decl_assembler_name): Declare.
3887         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3889 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3891         PR other/32948
3892         * c-decl.c (grokdeclarator): Remove unused local variables
3893         `typedef_type' and `type_as_written'.
3894         * bb-reorder.c
3895         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3896         unused local variable `has_hot_blocks'.
3897         (fix_crossing_conditional_branches): Remove unused local variable
3898         `prev_bb'.
3899         
3900 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3902         PR middle-end/19984
3903         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3904         using DEF_C99_BUILTIN.
3905         (BUILT_IN_NANF): Ditto.
3906         (BUILT_IN_NANL): Ditto.
3908 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3909             Revital Eres  <eres@il.ibm.com>
3911         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3912         regarding the order of two dependent insns in the same row.
3914 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3916         * stor-layout.c (layout_decl): Do not bump the alignment of a
3917         bit-field to more than byte alignment if it is packed.
3919 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3921         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3922         e300c2 and e300c3.
3924 2008-02-24  Diego Novillo  <dnovillo@google.com>
3926         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3928         PR 33738
3929         * tree-vrp.c (vrp_evaluate_conditional): With
3930         -Wtype-limits, emit a warning when comparing against a
3931         constant outside the natural range of OP0's type.
3932         * c.opt (Wtype-limits): Move ...
3933         * common.opt (Wtype-limits): ... here.
3935 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
3937         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3938         * config/rs6000/e300c2c3.md: New file.
3939         * config/rs6000/rs6000.c (processor_costs): Add new costs for
3940         e300c2 and e300c3.
3941         (rs6000_override_options): Add e300c2 and e300c3 cases to
3942         processor_target_table. Do not allow usage of Altivec or Spe
3943         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3944         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3945         * config/rs6000/rs6000.h (processor_type): Add
3946         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3947         (ASM_CPU_SPEC): Add e300c2 and e300c3.
3948         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3949         and ppce300c3. Include e300c2c3.md.
3951 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
3953         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3954         instead of TARGET_STRICT_ALIGN.
3956 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
3958         * explow.c (memory_address): Assert that the generated address is
3959         valid.
3961 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3963         PR target/25477
3964         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3965         * config/darwin-ppc-ldouble-patch.def: New file.
3966         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3967         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3968         SUBTARGET_INIT_BUILTINS if defined.
3969         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3970         New functions.
3972 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3974         PR rtl-opt/33512
3975         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3976         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3978 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3980         PR pch/35027
3981         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3982         file" warning condtional on -Winvalid-PCH.
3984 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3986         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3988 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
3990         PR target/22076
3991         PR target/34256 
3992         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3993         prevent reload from using MMX registers.
3994         (*mov<mode>_internal): Ditto.
3995         (*movv2sf_internal_rex64): Ditto.
3996         (*movv2sf_internal): Ditto.
3998 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4000         PR documentation/31569
4001         * doc/install.texi2html: Use makeinfo --no-number-sections.
4003 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
4005         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
4006         ensure that we can address an entire entity > 8 bytes.  Don't
4007         generate reg+reg addressing for such data.
4009 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
4011         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
4012         strings when optimizing for size, unless the target cares about
4013         alignment.
4015 2008-02-22  Tom Tromey  <tromey@redhat.com>
4017         * regclass.c (current_pass): Remove declaration.
4019 2008-02-22  Anatoly Sokolov <aesok@post.ru>
4021         * config/avr/libgcc.S (__RAMPZ__): Define.
4022         (__do_copy_data): Add for devices with 128KB code memory.
4024 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
4026         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4027         Use spe_abi.
4028         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
4030 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
4032         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
4033         GENNONACR_REGS.
4035 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4037         PR c/19999
4038         * c-typeck.c (build_binary_op): Warn about floating point
4039         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
4041 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
4043         PR target/34526
4044         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
4045         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
4046         add vrsave.
4047         (rs6000_override_options): Set altivec_abi as default, not override,
4048         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
4049         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
4050         is used; use new member spe_abi.
4051         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
4052         spe_abi and altivec_abi.
4054 2008-02-22  Tomas Bily  <tbily@suse.cz>
4056         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
4058 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4060         PR bootstrap/35273
4061         * config.build (build_file_translate): Set to `CMD //c' only if
4062         it works.
4063         * Makefile.in (build_file_translate): Improve comment.
4065 2008-02-21  Jan Hubicka  <jh@suse.cz>
4067         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
4068         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
4069         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
4071 2008-02-21  Michael Matz  <matz@suse.de>
4073         PR target/35264
4074         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
4076 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
4078         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
4079         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
4080         as insn constraint.
4081         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
4082         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
4083         SSE_VEC_FLOAT_MODE_P as insn constraint.
4084         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
4085         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
4086         sse4a_movntdf using MODEF mode iterator.
4087         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
4088         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
4089         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
4090         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
4091         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
4092         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
4093         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
4095 2008-02-21  Richard Guenther  <rguenther@suse.de>
4097         * tree.def (PAREN_EXPR): New tree code.
4098         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
4099         and PAREN_EXPR.
4100         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
4101         * expr.c (expand_expr_real_1): Likewise.
4102         * tree-inline.c (estimate_num_insns_1): Likewise.
4103         * tree-complex.c (expand_complex_move): Likewise.
4104         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
4105         as plain x.
4107 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4109         PR target/35225
4110         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
4112 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4114         PR target/35190
4115         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
4117         * config/sh/sh.c (find_barrier): Don't go past
4118         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
4120 2008-02-20  DJ Delorie  <dj@redhat.com>
4122         * config/h8300/h8300.md (insv): Force source operand to be a register.
4124         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
4125         as a jump, not as a plain insn.
4126         
4127 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
4129         * doc/invoke.texi (Warning Options): Add new option
4130         -Wframe-larger-than=.
4131         (-Wframe-larger-than): Document.
4133         * flags.h (warn_frame_larger_than, frame_larger_than_size):
4134         Add declarations for new option variables.
4136         * final.c (final_start_function): Check the frame size
4137         before emission and issue a Wframe-larger-than warning.
4139         * opts.c (warn_frame_larger_than, frame_larger_than_size):
4140         Add definitions for new option variables.
4141         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
4143         * common.opt (Wframe-larger-than=): New option.
4145 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
4147         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
4148         (<sse>_div<mode>3): Ditto.
4149         (<sse>_vmdiv<mode>3): Ditto.
4150         (<sse>_vmsqrt<mode>2): Ditto.
4151         (*smax<mode>3): Ditto.
4152         (sse5_frcz<mode>2): Ditto.
4153         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
4154         as insn constraint.
4156 2008-02-20  Richard Guenther  <rguenther@suse.de>
4158         PR middle-end/35265
4159         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
4160         be happy with INTEGRAL_TYPE_P.
4162 2008-02-20  Richard Guenther  <rguenther@suse.de>
4164         * fold-const.c (split_tree): Associate floatig-point expressions
4165         if flag_associative_math is set.
4167 2008-02-20  Richard Guenther  <rguenther@suse.de>
4169         * tree.h (fold_real_zero_addition_p): Declare.
4170         * fold-const.c (fold_real_zero_addition_p): Export.
4171         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
4172         floating-point operations with zero and one.
4174 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
4176         * doc/install.texi: Correct references to CFLAGS, replacing them
4177         with BOOT_CFLAGS.  Document flags used during bootstrap for
4178         target libraries.
4179                                 
4180 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
4182         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
4183         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
4184         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
4185         insn constraint.
4186         (smin<mode>3): Ditto from similar patterns.
4187         (smax<mode>3): Ditto.
4188         (*ieee_smin<mode>3): Ditto.
4189         (*ieee_smax<mode>3): Ditto.
4190         * config/i386/sse.md (sse): New mode attribute.
4191         (mov<mode>): Macroize expander from movv4sf and movv2df using
4192         SSEMODEF2P mode iterator.
4193         (<sse>_movnt<mode>): Ditto from similar patterns. Use
4194         SSE_VEC_FLOAT_MODE_P as insn constraint.
4195         (storent<mode>): Ditto.
4196         (storent<mode>): Macroize expander from storentsf and storentdf using
4197         MODEF mode iterator.
4198         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
4199         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
4200         (abs<mode>2): Ditto from similar patterns.
4201         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
4202         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
4203         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
4204         (<sse>_vmsqrt<mode>2): Ditto.
4205         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
4206         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
4207         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
4208         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
4209         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
4210         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
4211         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
4212         insn constraint.
4213         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
4214         iterator and SSE_FLOAT_MODE_P as insn constraint.
4215         (<sse>_ucomi): Ditto from similar patterns.
4216         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
4217         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
4218         SSE_VEC_FLOAT_MODE_P as insn constraint.
4219         (vcond<mode>): Ditto from similar patterns.
4220         (and<mode>3, *and<mode>3): Ditto.
4221         (<sse>_nand<mode>3): Ditto.
4222         (ior<mode>3, *ior<mode>3): Ditto.
4223         (xor<mode>3, *xor<mode>3): Ditto.
4224         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
4225         iterator and SSE_FLOAT_MODE_P as insn constraint.
4226         (*nand<mode>3): Ditto from similar patterns.
4227         (*ior<mode>3): Ditto.
4228         (*xor<mode>3): Ditto.
4230 2008-02-20  Ira Rosen  <irar@il.ibm.com>
4232         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
4233         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
4234         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
4236 2008-02-19  Jan Hubicka  <jh@suse.cz>
4238         * predict.c (tree_bb_level_predictions): Remove variable next
4239         mistakely introduced by previous commit.
4241 2008-02-19  Jan Hubicka  <jh@suse.cz>
4243         * predict.c (predict_paths_leading_to): Rewrite.
4244         (predict_paths_for_bb): New.
4245         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
4247 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4249         PR bootstrap/35218
4250         * Makefile.in (build_file_translate): New.
4251         (gcc-vers.texi): Use it for translating $(abs_srcdir).
4252         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
4253         * configure.ac (build_file_translate): Substitute it.
4254         * configure: Regenerate.
4256 2008-02-19  Jan Hubicka  <jh@suse.cz>
4258         PR rtl-optimization/34408
4259         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
4260         invalid sharing.
4262 2008-02-19  Jan Hubicka  <jh@suse.cz>
4264         PR middle-end/28779
4265         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
4266         call_expr.
4268 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
4270         PR Ada/35186
4271         * config/i386/i386-modes.def: Revert the last DI alignment
4272         change until Ada people can look into it.
4274 2008-02-19  Nick Clifton  <nickc@redhat.com>
4276         * opts.c (print_specific_help): Fix typo in --help text.
4278 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
4280         PR target/35239
4281         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
4282         32-bit inline asm without asm alternatives for host GCC < 3.0.
4284 2008-02-19  Richard Guenther  <rguenther@suse.de>
4286         PR tree-optimization/34989
4287         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
4288         Allow propagation to INDIRECT_REF if we can simplify only.
4290 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4292         * c-common.c (warn_for_collisions_1): Use appropriate option when
4293         warning.
4295 2008-02-19  Nick Clifton  <nickc@redhat.com>
4297         PR other/31349
4298         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
4299         (handle_options): Fix indentation.
4300         (print_filtered_help): If no language-specific options were
4301         displayed tell the user how to list all the options supported by
4302         the language's front-end.
4303         (print_specific_help): Fix indentation and remove duplicate line.
4304         (common_handle_option): Handle the -v option.
4305         For --help enable the display of undocumented options if the -v
4306         switch has been included on the command line.
4307         For --help= check for overlaps in the arguments between the option
4308         classes and the language names and issue a warning when they
4309         cannot be disambiguated.
4310         * c.opt (v): Pass on to the common option handler.
4312 2008-02-19  Revital Eres  <eres@il.ibm.com> 
4314         * modulo-sched.c (sms_schedule): Change dump message when
4315         create_ddg function fails.
4316         (try_scheduling_node_in_cycle): Rename row to cycle.
4317         (print_partial_schedule): Rename CYCLE to ROW.
4319 2008-02-19  Christian Bruel  <christian.bruel@st.com>
4320             Zdenek Dvorak  <ook@ucw.cz>
4322         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
4324 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
4326         PR target/33555
4327         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
4328         (*x86_movdicc_0_m1_se): Ditto.
4330 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
4332         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
4333         (CMPtype): Define as __gcc_CMPtype.
4334         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
4335         (CMPtype): Define as __gcc_CMPtype.
4337 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
4339         Support valgrind 3.3 for --enable-checking=valgrind.
4340         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
4341         here.
4342         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
4343         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
4344         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
4345         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
4346         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
4347         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
4348         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
4349         respectively.
4350         * ggc-zone.c: Similar.
4351         * ggc-page.c: Similar.
4353 2008-02-19  Paul Brook  <paul@codesourcery.com>
4355         PR target/35071
4356         * config/arm/ieee754-df.S: Fix do_it typo.
4357         * config/arm/ieee754-sf.S: Fix do_it typo.
4359 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
4361         PR target/35189
4362         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
4363         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
4364         (OPTION_MASK_ISA_SSE_SET): Likewise.
4365         (OPTION_MASK_ISA_SSE2_SET): Likewise.
4366         (OPTION_MASK_ISA_SSE3_SET): Likewise.
4367         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
4368         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
4369         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
4370         (OPTION_MASK_ISA_SSE4_SET): Likewise.
4371         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
4372         (OPTION_MASK_ISA_SSE5_SET): Likewise.
4373         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
4374         (OPTION_MASK_ISA_MMX_UNSET): Updated.
4375         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
4376         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
4377         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
4378         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
4379         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
4380         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
4381         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
4382         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
4383         (OPTION_MASK_ISA_SSE4): Removed.
4384         (ix86_handle_option): Turn on bits in ix86_isa_flags and
4385         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
4386         (override_options): Don't turn on implied SSE/MMX bits in
4387         ix86_isa_flags.
4389 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
4391         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4392         32bit host.
4394 2008-02-18  Joey Ye  <joey.ye@intel.com>
4396         PR middle-end/34921
4397         * tree-nested.c (insert_field_into_struct): Set type alignment
4398         to field alignment if the former is less than the latter.
4400 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
4402         * BASE-VER: Set to 4.4.0.
4404 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4406         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
4407         * doc/cfg.texi: Likewise.
4408         * doc/extend.texi: Likewise.
4409         * doc/gty.texi: Likewise.
4410         * doc/invoke.texi: Likewise.
4411         * doc/loop.texi: Likewise.
4412         * doc/md.texi: Likewise.
4413         * doc/passes.texi: Likewise.
4414         * doc/rtl.texi: Likewise.
4415         * doc/sourcebuild.texi: Likewise.
4416         * doc/tm.texi: Likewise.
4417         * doc/tree-ssa.texi: Likewise.
4419 2008-02-17  Richard Guenther  <rguenther@suse.de>
4421         PR middle-end/35227
4422         * tree-complex.c (init_parameter_lattice_values): Handle parameters
4423         without default definition.
4425 2008-02-17  Richard Guenther  <rguenther@suse.de>
4427         PR tree-optimization/35231
4428         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
4429         if A | B != 1.
4431 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
4433         Revert:
4434         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
4435         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4436         libgcc_cmp_return mode.
4438 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4440         PR c/28368
4441         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
4443 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
4445         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
4446         multilibs.
4448 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4450         * doc/c-tree.texi: Use `@.' where appropriate.
4451         * doc/extend.texi: Likewise.
4452         * doc/install.texi: Likewise.
4453         * doc/invoke.texi: Likewise.
4454         * doc/loop.texi: Likewise.
4455         * doc/makefile.texi: Likewise.
4456         * doc/md.texi: Likewise.
4457         * doc/passes.texi: Likewise.
4458         * doc/standards.texi: Likewise.
4459         * doc/tm.texi: Likewise.
4461 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
4463         PR middle-end/35196
4464         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
4465         in entry_bb.
4466         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
4467         rather than in entry_bb.
4469 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4471         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4472         libgcc_cmp_return mode.
4474 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
4476         PR middle-end/35130
4477         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
4478         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
4480 2008-02-15  Richard Guenther  <rguenther@suse.de>
4481             Zdenek Dvorak  <ook@ucw.cz>
4483         PR tree-optimization/35164
4484         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
4485         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
4486         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4487         Only propagate addresses which do not have abnormal SSA_NAMEs
4488         in their operands.
4490 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
4492         PR target/35088
4493         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
4495 2008-02-15  Jan Hubicka  <jh@suse.cz>
4497         PR middle-end/35149
4498         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
4500 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4502         PR middle-end/34621
4503         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
4504         when calculating alignment_pad.
4506 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4508         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
4509         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
4510         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
4511         and STACK_BOUNDARY define.
4513 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
4515         PR preprocessor/35061
4516         * c-pragma.c (handle_pragma_pop_macro): Check that
4517         pushed_macro_table has been allocated.
4519 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
4521         PR middle-end/35136
4522         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
4523         (force_gimple_operand): Likewise.
4524         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
4525         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
4526         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
4527         (find_interesting_uses_address): Check addressability and alignment
4528         of the base expression only after substituting bases of IVs into it.
4530 2008-02-14  Michael Matz  <matz@suse.de>
4532         PR target/34930
4533         * function.c (instantiate_virtual_regs_in_insn): Reload address
4534         before falling back to reloading the whole operand.
4536 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
4538         * config/s390/s390.c (s390_mainpool_start): Emit the pool
4539         before the first section switch note.
4541 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4543         * doc/bugreport.texi: Update copyright years.
4544         * doc/c-tree.texi: Likewise.
4545         * doc/cfg.texi: Likewise.
4546         * doc/cpp.texi: Likewise.
4547         * doc/cppinternals.texi: Likewise.
4548         * doc/fragments.texi: Likewise.
4549         * doc/frontends.texi: Likewise.
4550         * doc/gcc.texi: Likewise.
4551         * doc/gty.texi: Likewise.
4552         * doc/hostconfig.texi: Likewise.
4553         * doc/implement-c.texi: Likewise.
4554         * doc/libgcc.texi: Likewise.
4555         * doc/loop.texi: Likewise.
4556         * doc/makefile.texi: Likewise.
4557         * doc/options.texi: Likewise.
4558         * doc/passes.texi: Likewise.
4559         * doc/rtl.texi: Likewise.
4560         * doc/sourcebuild.texi: Likewise.
4561         * doc/standards.texi: Likewise.
4562         * doc/tree-ssa.texi: Likewise.
4563         * doc/trouble.texi: Likewise.
4565         * doc/extend.texi: Use @: or add comma where appropriate.
4566         * doc/invoke.texi: Likewise.
4567         * doc/tm.texi: Likewise.
4569 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
4571         PR target/34393
4572         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
4573         to a reg.
4575 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
4577         * doc/md.texi (clz, ctz): Add reference.
4578         * doc/rtl.texi (clz, ctz): Likewise.
4580 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4582         PR other/35148
4583         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
4584         srcdir.
4586 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
4588         * config/s390/s390.c (struct constant_pool): New field
4589         emit_pool_after added.
4590         (s390_mainpool_start): Set the emit_pool_after flag according
4591         to the section switch notes.
4592         (s390_mainpool_finish): Consider emit_pool_after when emitting
4593         the literal pool at the end of the function.
4594         (s390_chunkify_start): Force literal pool splits at section
4595         switch notes.
4597 2008-02-13  Michael Matz  <matz@suse.de>
4599         PR debug/35065
4600         * var-tracking.c (clobber_variable_part): Correctly traverse the
4601         list.
4603 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4605         PR 29673
4606         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
4607         Add -fdump-ipa-inline.
4608         * tree-dump.c (dump_files): Remove tree-inlined dump.
4609         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
4610         
4611 2008-02-12  Richard Guenther  <rguenther@suse.de>
4613         PR tree-optimization/35171
4614         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
4615         default defs.
4617 2008-02-12  Richard Guenther  <rguenther@suse.de>
4619         PR middle-end/35163
4620         * fold-const.c (fold_widened_comparison): Use get_unwidened in
4621         value-preserving mode.  Disallow final truncation.
4623 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4625         PR middle-end/35136
4626         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
4627         code from here to...
4628         (force_gimple_operand): ...here.
4630 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
4632         PR c++/35144
4633         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
4634         non-compatible pointers.
4635         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
4636         different FIELD_DECLs, try harder by comparing field offsets, sizes
4637         and types.
4639         PR inline-asm/35160
4640         * function.c (match_asm_constraints_1): Don't replace the same input
4641         multiple times.
4643 2008-02-12  Anatoly Sokolov <aesok@post.ru>
4645         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
4646         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
4647         (expand_epilogue): Restore RAMPZ register.
4648         * config/avr/avr.md (RAMPZ_ADDR): New constant.
4650 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
4652         * config/i386/cygwin.asm: (__alloca): Correct calling
4653         convention and alignment.
4654         (__chkstk): Force 8 byte stack alignment.
4656 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
4657             Richard Guenther  <rguenther@suse.de>
4659         PR tree-optimization/33992
4660         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
4661         the zero we compare against.
4663 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
4665         PR libfortran/35063
4666         * gthr-win32.h (__gthread_mutex_destroy_function): New function
4667         to CloseHandle after unlocking to prevent accumulation of handle
4668         count.
4670 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4672         PR middle_end/34150
4673         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
4674         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
4675         and update LABEL_NUSES during and after reload.
4677 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
4679         PR middle-end/34627
4680         * combine.c (simplify_if_then_else): Make sure the comparison is
4681         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
4683 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
4685         PR bootstrap/35051
4686         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
4687         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
4688         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
4689         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
4690         * tree.h (get_type_static_bounds): Likewise.
4692 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4694         * doc/invoke.texi (Option Summary, C++ Dialect Options)
4695         (Objective-C and Objective-C++ Dialect Options, Warning Options):
4696         Make -Wfoo language annotations match what the compiler outputs.
4698 2008-02-08  Sa Liu  <saliu@de.ibm.com>
4700         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
4701         intrinsics spu_convts, spu_convtu, spu_convtf.
4702         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
4704 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
4706         * doc/extend.texi (Function Attributes) <noinline>: Mention
4707         asm ("") as method to keep calls.
4709 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4711         PR other/32754
4712         * doc/options.texi (Options): Replace references to opts.sh with
4713         optc-gen.awk.
4714         * opts-common.c: Likewise.
4715         * optc-gen.awk: Likewise.
4716         
4717 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4719         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
4721 2008-02-07  Richard Henderson  <rth@redhat.com>
4723         PR rtl-opt/33410
4724         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
4725         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
4726         funny mode.
4728 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
4730         PR tree-optimization/35085
4731         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
4732         for operand entry oe2 in addition to operand entry oe3 in order to
4733         expose more opportunities for vectorizer sum reduction.
4735 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4737         PR other/35107
4738         * Makefile.in (LIBS): Remove $(GMPLIBS).
4739         (cc1-dummy, cc1): Add $(GMPLIBS).
4741 2008-02-06  Jan Hubicka  <jh@suse.cz>
4743         PR target/23322
4744         * i386.md (moddf_integer): Do not produce partial memory stalls for
4745         targets where it hurts.
4747 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
4749         PR target/35083
4750         * optabs.c (expand_float): Do not check for decimal modes when
4751         expanding unsigned integer through signed conversion.
4753 2008-02-06  Nick Clifton  <nickc@redhat.com>
4755         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
4756         inside the clobber with a match_operand and duplicated operand
4757         number in the constraint.
4758         (ineqbranchsi): Delete redundant comment.
4760 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
4762         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
4763         builtin_define ("__USE_INIT_FINI__").
4764         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
4765         -msx multilibs.
4766         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
4768 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4770         PR documentation/30330
4771         * doc/invoke.texi (C++ Dialect Options)
4772         (Objective-C and Objective-C++ Dialect Options, Warning Options):
4773         For each warning option -Wfoo that allows -Wno-foo, ensure both
4774         -Wfoo and -Wno-foo are listed in the option index.  Fix index
4775         entry of -Wswitch-default, index -Wnormalized= including the
4776         `=', and -Wlarger-than-@var{len} including @var{len}.
4778 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
4780         * config/i386/i386.md (floatunssisf2): Use
4781         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
4782         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
4783         Macroize expander using MODEF mode iterator.
4785 2008-02-05  Diego Novillo  <dnovillo@google.com>
4787         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
4789         PR 33738
4790         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
4792 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4794         PR other/35070
4795         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
4797 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
4799         PR target/35084
4800         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
4801         to indicate if a message should be generated.
4802         (init_cumulative_args): Updated.
4803         (function_value_32): Likewise.
4805 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
4807         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
4809 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
4811         PR target/35083
4812         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
4813         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
4815 2008-02-04  Diego Novillo  <dnovillo@google.com>
4817         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
4819         PR 33738
4820         * tree-vrp.c (vrp_evaluate_conditional): With
4821         -Wtype-limits, emit a warning when comparing against a
4822         constant outside the natural range of OP0's type.
4824 2008-02-04  Richard Guenther  <rguenther@suse.de>
4826         PR middle-end/33631
4827         * expr.c (count_type_elements): Give for unions instead of
4828         guessing.
4830 2008-02-04  Richard Guenther  <rguenther@suse.de>
4832         PR middle-end/35043
4833         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
4834         to TYPE_DOMAINs base type instead of using bitsizetype here.
4836 2008-02-03  Jason Merrill  <jason@redhat.com>
4838         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
4840 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4842         PR other/29972
4843         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
4844         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
4845         (RS/6000 and PowerPC Options): Fix typos and markup.
4846         * doc/passes.texi (Tree-SSA passes): Likewise.
4848 2008-02-02  Michael Matz  <matz@suse.de>
4850         PR target/35045
4851         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
4852         from record_last_reg_set_info.
4853         (record_last_reg_set_info): Take an RTX argument, iterate over all
4854         constituent hardregs.
4855         (record_last_set_info, record_opr_changes): Change calls to
4856         new signature or to record_last_reg_set_info_regno.
4858 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
4860         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
4862 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
4864         PR rtl-optimization/34773
4865         * reg-notes.def (EQUAL): Mention significance of combination of
4866         REG_EQUAL and REG_RETVAL.
4867         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
4868         insn that has a REG_RETVAL.
4870 2008-02-01  Roger Sayle  <roger@eyesopen.com>
4872         PR bootstrap/33781
4873         * configure.ac (--enable-fixed-point): Disable unless explicitly
4874         requested on IRIX.
4875         * configure: Regenerate.
4877 2008-02-01  Richard Guenther  <rguenther@suse.de>
4879         PR other/35042
4880         * invoke.texi (-finline-limit): Remove no longer true parts
4881         of the documentation.  Note that there is no default value.
4883 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
4884             Mark Mitchell  <mark@codesourcery.com>
4885             Ben Elliston  <bje@au.ibm.com>
4887         PR c/29326
4888         * doc/extend.texi (Other Builtins): Document.
4890 2008-01-31  Tom Browder <tom.browder@gmail.com>
4892         * doc/c-tree.texi (Types): Fix grammar.
4893         (Expression trees): Ditto.
4894         * doc/passes.texi (Tree-SSA passes): Ditto.
4895         
4896         * doc/configterms.texi (Configure Terms): Fix typo.
4897         * doc/cpp.texi (Common Predefined Macros): Ditto.
4898         * doc/md.texi (Machine Constraints): Ditto.
4899         
4900         * doc/makefile.texi (Makefile): Add comma.
4902 2008-01-31  Tom Browder  <tom.browder@gmail.com>
4903             Gerald Pfeifer  <gerald@pfeifer.com>
4904         
4905         * doc/sourcebuild.texi (Front End): Remove references to CVS
4906         and CVSROOT/modules.
4907         (Texinfo Manuals): Replace reference to CVS by one to SVN.
4908         (Back End): Remove reference to CVS.
4910 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4912         PR target/34900
4913         * config/mips/mips.c (gen_load_const_gp): New function, taking a
4914         comment from...
4915         (mips16_gp_pseudo_reg): ...here.
4916         * config/mips/mips.md (load_const_gp): Replace with...
4917         (load_const_gp_<mode>): ...this :P-based insn.
4919 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4921         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
4922         options. Minor fixes.
4923         (-std): Move reference to standards closer to where language
4924         standards are first mentioned.
4925         
4926 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4928         PR rtl-optimization/34995
4929         * reload.c (alternative_allows_const_pool_ref): Take an rtx
4930         parameter and return a bool.  If the rtx parameter is nonnull,
4931         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
4932         (find_reloads): Update call accordingly.  Pass the new operand
4933         if it needed no address reloads, otherwise pass null.
4935 2008-01-30  Richard Henderson  <rth@redhat.com>
4937         PR c/34993
4938         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
4939         for unbounded arrays.
4941 2008-01-30  Silvius Rus  <rus@google.com>
4943         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
4945 2008-01-30  Jan Hubicka  <jh@suse.cz>
4947         PR target/34982
4948         * i386.c (init_cumulative_args): Use real function declaration when
4949         calling locally.
4951 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
4953         PR rtl-optimization/34998
4954         * global.c (build_insn_chain): Treat non-subreg_lowpart
4955         SUBREGs of pseudos as clobbering all the words covered by the
4956         SUBREG, not just all the bytes.
4957         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
4958         original df_ref rather than an extract parameter.
4959         (global_conflicts): Update call accordingly.
4961 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
4963         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
4964         the overflow check to make it easier to read.
4965         (__fixtfdi): Change the type of the ll member in union
4966         long_double to UDItype_x.
4968 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
4970         PR middle-end/34969
4971         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
4972         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
4973         * tree-inline.c (fold_marked_statements): Call
4974         cgraph_update_edges_for_call_stmt if folding a call statement.
4975         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
4976         debug_generic_stmt calls, reset it back afterwards.
4978         PR c/35017
4979         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
4980         static decls.
4981         * c-typeck.c (build_external_ref): Don't pedwarn about
4982         static vars in current function's scope.
4984 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
4986         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
4988 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
4990         PR c/35002
4991         * ipa-struct-reorg.c: Fix spelling.
4992         * params.def: Ditto.
4994 2008-01-29  Richard Guenther  <rguenther@suse.de>
4996         PR middle-end/35006
4997         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
4998         field.
4999         * tree-inline.c (remap_type): Increment remapping_type_depth
5000         around remapping types.
5001         (copy_body_r): Only add referenced variables if they are referenced
5002         from code, not types.
5004 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
5006         PR c++/34055
5007         PR c++/34103
5008         PR c++/34219
5009         PR c++/34606
5010         PR c++/34753
5011         PR c++/34754
5012         PR c++/34755
5013         PR c++/34919
5014         PR c++/34961
5015         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
5016         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
5018 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
5020         PR target/34412
5021         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
5022         pointer for tiny stack.
5024 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
5026         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
5028 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
5030         * config/vx-common.h: Fix typo in comment.
5032 2008-01-28  Ian Lance Taylor  <iant@google.com>
5034         PR c++/34862
5035         PR c++/33407
5036         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
5037         coalesce pointers if they have different DECL_NO_TBAA_P values.
5038         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
5039         between variables with different DECL_NO_TBAA_P values.
5041 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
5043         PR 31535
5044         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
5045         are not legitimate small data references on SPE targets.
5047 2008-01-28  David Daney  <ddaney@avtrex.com>
5049         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
5051 2008-01-28  David Daney  <ddaney@avtrex.com>
5053         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
5055 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
5057         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
5058         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
5059         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
5060         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
5061         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
5062         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
5063         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
5064         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
5066 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
5068         * basic-block.h (condjump_equiv_p): Fix comment.
5070 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
5072         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
5073         print_generic_stmt_indented): Fix comment.
5075 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
5077         * configure.ac (__stack_chk_fail): Add detecion for availability
5078         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
5079         * configure: Regenerate.
5081 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
5083         PR middle-end/34688
5084         * final.c (output_addr_const): Handle TRUNCATE.
5086 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
5088         PR target/34711
5089         * tree-ssa-loop-ivopts.c (comp_cost): New type.
5090         (zero_cost, infinite_cost): New constants.
5091         (struct cost_pair): Change type of cost to comp_cost.
5092         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
5093         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
5094         New functions.
5095         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
5096         split_address_cost, ptr_difference_cost, difference_cost,
5097         get_computation_cost_at, get_computation_cost,
5098         determine_use_iv_cost_generic, determine_use_iv_cost_address,
5099         determine_use_iv_cost_condition, determine_use_iv_costs,
5100         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
5101         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
5102         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
5103         Change type of cost to comp_cost.
5104         (determine_iv_cost): Increase cost of non-original ivs, instead
5105         of decreasing the cost of original ones.
5106         (get_address_cost): Indicate the complexity of the addressing mode 
5107         in comp_cost.
5108         (try_add_cand_for): Prefer using ivs not specific to some object.
5109         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
5111 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
5112             Janis Johnson  <janis187@us.ibm.com>
5114         PR target/34814
5115         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
5116         (TARGET_INSTANTIATE_DECLS): Likewise.
5117         * target.h (expand_to_rtl_hook): New target hook.
5118         (instantiate_decls): Likewise.
5119         * function.c (instantiate_decl): Make non-static.  Rename to...
5120         (instantiate_decl_rtl): ... this.
5121         (instantiate_expr): Use instantiate_decl_rtl.
5122         (instantiate_decls_1): Likewise.
5123         (instantiate_decls): Likewise.
5124         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
5125         * function.h (instantiate_decl_rtl): Add prototype.
5126         * cfgexpand.c (target.h): New include.
5127         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
5128         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
5129         (TARGET_INSTANTIATE_DECLS): Likewise.
5130         (TARGET_INITIALIZER): New target hooks added.
5131         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
5132         New prototype.
5133         * config/rs6000/rs6000.c (tree-flow.h): New include.
5134         (machine_function): Add sdmode_stack_slot field.
5135         (rs6000_alloc_sdmode_stack_slot): New function.
5136         (rs6000_instantiate_decls): Likewise.
5137         (rs6000_secondary_memory_needed_rtx): Likewise.
5138         (rs6000_check_sdmode): Likewise.
5139         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
5140         (TARGET_INSTANTIATE_DECLS): Likewise.
5141         (rs6000_hard_regno_mode_ok): Allow SDmode.
5142         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
5143         (rs6000_emit_move): Handle SDmode.
5144         (function_arg_advance): Likewise.
5145         (function_arg): Likewise.
5146         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
5147         SDmode var args for 32-bit compiles.
5148         (rs6000_secondary_reload_class): Handle SDmode.
5149         (rs6000_output_function_epilogue): Likewise.
5150         (rs6000_function_value): Simplify if statement.
5151         (rs6000_libcall_value): Likewise.
5152         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
5153         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
5154         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
5155         (movsd_hardfloat): New define_insn.
5156         (movsd_softfloat): Likewise.
5157         (movsd_store): Likewise.
5158         (movsd_load): Likewise.
5159         (extendsddd2): Likewise.
5160         (extendsdtd2): Likewise.
5161         (truncddsd2): Likewise.
5162         (movdd_hardfloat64): Fixup comment.
5163         (UNSPEC_MOVSD_LOAD): New constant.
5164         (UNSPEC_MOVSD_STORE): Likewise.
5166 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
5168         PR c++/34965
5169         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
5170         TRUTH_XOR_EXPR.
5171         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
5172         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
5173         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
5174         and TRUTH_XOR_EXPR.
5176 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
5178         PR target/34794
5179         * config.gcc: Separate AIX 5.3 from AIX 6.1.
5180         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5181         __LONGDOUBLE128 too.
5182         * config/rs6000/aix61.h: New file.
5184 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
5186         PR rtl-optimization/34959
5187         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
5188         popcount and parity rtxes the same mode as their operand.
5189         Truncate or extend the result to the return value's mode
5190         if necessary.
5192 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
5194         PR target/34981
5195         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
5196         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
5197         to GOT_VERSION_REGNUM.
5198         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
5199         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
5200         * config/mips/mips.c (mips_emit_call_insn): New function.
5201         (mips_call_tls_get_addr): Call mips_expand_call directly.
5202         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
5203         emit_call_insn.
5204         (mips16_build_call_stub): Likewise.  Return the call insn or null.
5205         (mips_expand_call): Update the call to mips16_build_call_stub
5206         accordingly and a remove redundant condition.  Assert that MIPS16
5207         stubs do not use lazy binding.  Use mips_emit_call_insn and return
5208         the call insn.
5209         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
5210         TARGET_USE_GOT.
5211         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
5212         (mips_avoid_hazard): Remove hazard_set handling.
5213         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
5214         (UNSPEC_RESTORE_GP): ...this.
5215         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
5216         (FAKE_CALL_REGNO): Rename to...
5217         (GOT_VERSION_REGNUM): ...this.
5218         (type): Add "ghost" value.  Add an associated insn reservation.
5219         (hazard_set): Remove.
5220         (exception_receiver): Rename to...
5221         (restore_gp): ...this and update the unspec identifier accordingly.
5222         (exception_receiver, nonlocal_got_receiver): New expanders.
5223         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
5224         FAKE_CALL_REGNO.  Remove hazard_set attribute.
5225         (set_got_version, update_got_version): New patterns.
5227 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
5229         PR target/34970
5230         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
5232 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
5234         PR other/31955
5235         * doc/install.texi2html: Generate gcc-vers.texi.
5237 2008-01-25  DJ Delorie  <dj@redhat.com>
5239         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
5241 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
5243         * config/c4x: Remove directory.
5244         * config.gcc (crx-*, mt-*): Mark obsolete.
5245         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
5246         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
5247         sh-*-rtemscoff*): Remove cases.
5248         * defaults.h (C4X_FLOAT_FORMAT): Remove.
5249         * real.c (encode_c4x_single, decode_c4x_single,
5250         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
5251         c4x_extended_format): Remove.
5252         * real.h (c4x_single_format, c4x_extended_format): Remove.
5253         * doc/extend.texi (interrupt, naked): Remove mention of attributes
5254         on C4x.
5255         (Pragmas): Remove comment about c4x pragmas.
5256         * doc/install.texi (c4x): Remove target-specific instructions.
5257         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
5258         * doc/md.texi (Machine Constraints): Remove C4x documentation.
5259         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
5260         refer to C4x source files as examples.
5261         (C4X_FLOAT_FORMAT): Remove documentation.
5263 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
5265         * config/bfin/bfin.c (override_options): Reorder tests so that
5266         flag_pic gets enabled for -msep-data.
5268 2008-01-25  Richard Guenther  <rguenther@suse.de>
5270         PR middle-end/32244
5271         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
5272         to its bitfield precision if required.
5274 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
5276         PR middle-end/33880
5277         * tree-nested.c (walk_omp_for): New function.
5278         (convert_nonlocal_reference, convert_local_reference): Call
5279         walk_omp_for on OMP_FOR.
5280         (convert_call_expr): Call walk_body on OMP_FOR's
5281         OMP_FOR_PRE_INIT_BODY.
5283 2008-01-25  Richard Guenther  <rguenther@suse.de>
5285         PR tree-optimization/34966
5286         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
5287         default defs and PHI_NODEs we have to insert after the
5288         defining statement.
5290 2008-01-24  Nick Clifton  <nickc@redhat.com>
5292         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
5293         Provide a default definition.
5294         (LIBGCC2_UNITS_PER_WORD): Likewise.
5296         * config/stormy16/stormy16.c: Include df.h for the prototype
5297         for df_regs_ever_live_p.
5298         (xstormy16_expand_builtin_va_start): Convert the stack offset
5299         into a component_ref and then use POINTER_PLUS_EXPR to add it
5300         to the incoming_virtual_args_rtx.
5301         (xstormy16_gimplify_va_arg_expr): Rename to
5302         xstormy16_gimplify_va_arg_expr.
5303         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
5304         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
5305         xstormy16_gimplify_va_arg_expr.
5306         Fix up some formatting issues.
5308         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
5309         Move to predicates.md.
5310         (xs_hi_general_operand): Likewise.
5311         (xs_hi_nonmemory_operand): Likewise.
5312         * config/stormy16/predicates.md:
5313         (xstormy16_carry_plus_operand): New predicate.
5314         (xs_hi_general_operand): New predicate.
5315         (xs_hi_nonmemory_operand): New predicate.
5316         * config/stormy16/stormy16-protos.h:
5317         (xstormy16_carry_plus_operand): Delete prototype.
5318         (xs_hi_general_operand): Likewise.
5319         (xs_hi_nonmemory_operand): Likewise.
5321         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
5322         modifiers as they are no longer needed and they can trigger
5323         reload spill failures.
5325         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
5326         with a match_operand in order to help reload.
5328         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
5329         constraint with 'e' for the 8th alternative as this version of
5330         the mov.w instruction only accepts the lower 8 registers.
5332 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
5334         PR target/34856
5335         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
5336         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
5337         vector elements.
5339 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
5341         PR middle-end/33333
5342         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
5344 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
5346         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
5347         New functions.
5348         (remove_structure): Update allocations list before removing structure.
5349         
5350 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
5352         * ipa-struct-reorg.c (is_safe_cond_expr, 
5353         create_new_stmts_for_cond_expr): Use integer_zerop function,
5354         that recognize not only zero-pointer, but zero-integer too.
5356 2008-01-25  Ben Elliston  <bje@au.ibm.com>
5358         PR other/22232
5359         * fixproto: Escape "." in sed expression that strips leading "./".
5361 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
5363         PR driver/34904
5364         * gcc.c (SWITCH_OK): Removed.
5365         (SWITCH_LIVE): Changed to bit.
5366         (SWITCH_FALSE): Likewise.
5367         (SWITCH_IGNORE): Likewise.
5368         (switchstr): Change live_cond to unsigned int.
5369         (process_command): Replace SWITCH_OK with 0.
5370         (do_self_spec): Likewise.
5371         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
5372         (give_switch): Likewise.
5373         (used_arg): Likewise.
5374         (do_spec_1): Set the SWITCH_IGNORE bit.
5375         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
5376         bits.  Set the SWITCH_LIVE bit.
5378 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
5380         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
5382 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
5384         PR tree-optimization/34472
5385         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
5386         parameter to a "bool *" and set *DATA to false if there is
5387         an unsafe access.  Do not delete the structure here.
5388         (check_cond_exprs): Delete it here instead.
5389         (check_cond_exprs, exclude_cold_structs): Do not increase
5390         I when removing a structure.
5392 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
5394         PR target/34856
5395         * config/i386/i386.c (ix86_expand_vector_init): Consider only
5396         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
5398 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
5400         PR middle-end/34934
5401         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
5402         a fixed vector for stack.
5404 2008-01-24  Ben Elliston  <bje@au.ibm.com>
5406         PR c++/25701
5407         * doc/gcc.texi (Software development): Add a direntry for g++.
5408         
5409 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
5411         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
5412         stale and straggling -fforce-addr comments above.
5414         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
5415         define.
5416         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
5417         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
5419 2008-01-23  Michael Matz  <matz@suse.de>
5421         PR debug/34895
5422         * dwarf2out.c (force_type_die): Use modified_type_die instead of
5423         gen_type_die.
5425 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
5427         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
5428         malloc result type.
5430 2008-01-23 Anatoly Sokolov <aesok@post.ru>
5432         * config/avr/avr.c (avr_current_arch): New variable.
5433         (avr_arch_types): Add 'avr31' and 'avr51' entries.
5434         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
5435         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
5436         (avr_override_options): Init 'avr_current_arch'. 
5437         (base_arch_s): Move from here...
5438         * config/avr/avr.h (base_arch_s): ... here. Add new members 
5439         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
5440         'mega' to 'have_jmp_call'.
5441         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
5442         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
5443         macros.
5444         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
5445         architectures.
5446         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
5447         MULTILIB_MATCHES): (Ditto.).
5449 2008-01-23  Richard Guenther  <rguenther@suse.de>
5451         PR middle-end/31529
5452         * cgraphunit.c (cgraph_reset_node): Always mark the node
5453         not reachable if it is not queued already.
5455 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
5457         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
5458         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
5459         (cputype_selected): New static variable.
5460         (bfin_handle_option): Set it if -mcpu is used.
5461         (override_option): Select default set of workarounds if no cpu type
5462         selected on the command line.
5463         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
5465         From  Michael Frysinger  <michael.frysinger@analog.com>
5466         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
5467         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
5469         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
5470         for bf547, bf523, bf524, and bf526.
5471         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
5472         bf526.
5473         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5474         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
5475         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
5476         __ADSPBF547__ and __ADSPBF54x__ for bf547.
5477         * doc/invoke.texi (Blackfin Options): Document that
5478         -mcpu now accept bf547, bf523, bf524, and bf526.
5480 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
5482         PR rtl-optimization/34628
5483         * combine.c (try_combine): Stop and undo after the first combination
5484         if an autoincrement side-effect on the first insn has effectively
5485         been lost.
5487 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
5489         PR target/34529
5490         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
5491         Offset addresses are not valid for Altivec or paired float modes.
5493 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
5495         PR c++/34607
5496         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
5497         if DECL_INITIAL (decl) is error_mark_node.
5499         PR c++/34914
5500         * c-common.c (handle_vector_size_attribute): Only allow
5501         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
5502         the same way as pointer, array etc. types.
5503         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
5505         PR c++/34917
5506         * tree.c (build_type_attribute_qual_variant): Call
5507         build_qualified_type if attributes are equal, but quals are not.
5509 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5511         PR 32102
5512         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
5513         * flags.h (warn_strict_aliasing): Remove.
5514         (warn_strict_overflow): Remove.
5515         * opts.c (warn_strict_aliasing): Remove.
5516         (warn_strict_overflow): Remove.
5517         * c-opts.c (c_common_handle_option): -Wall only sets
5518         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
5519         (c_common_post_options): Give default values to -Wstrict-aliasing
5520         and -Wstrict-overflow if they are uninitialized.
5521         * common.opt (Wstrict-aliasing): Specify Var and Init.
5522         (Wstrict-overflow): Likewise.
5524 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
5526         PR rtl-optimization/26854
5527         PR rtl-optimization/34400
5528         PR rtl-optimization/34884
5529         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
5530         DF_RD->gen.
5531         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
5532         (df_rd_bb_info.expanded_lr_out): Deleted
5533         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
5534         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
5535         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5536         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5537         Removed code to allocate, initialize or free expanded_lr_out.
5538         (df_rd_bb_local_compute_process_def): Restructured to make more
5539         understandable.
5540         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
5541         sets if the sets are being trimmed.
5543 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
5545         PR bootstrap/32287
5546         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
5547         (as_vers): Likewise.
5548         * configure: Regenerated.
5550 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5552         PR middle-end/33092
5553         * tree-pass.h (pass_build_alias): New pass.
5554         * tree-ssa-alias.c (gate_build_alias): New.
5555         (pass_build_alias): New.
5556         * passes.c (init_optimization_passes): Add pass_build_alias after
5557         pass_create_structure_vars.
5559 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
5561         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
5562         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
5563         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
5564         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
5565         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
5566         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
5567         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
5568         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
5569         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
5570         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
5571         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
5572         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
5573         * config/s390/s390.md (FP_ALL): New mode iterator.
5574         (_d): New mode attribute.
5575         ("*signbit<mode>2>"): Changed mode of first operand.
5576         ("isinf<mode>2"): Changed mode of first operand.
5577         ("*TDC_insn"): Adaptation for DFP modes.
5579 2008-01-22  Ben Elliston  <bje@au.ibm.com>
5581         * tree.c (check_qualified_type): Improve function description.
5583 2008-01-21  Jason Merrill  <jason@redhat.com>
5585         PR c++/34196
5586         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
5587         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
5588         if it is set.
5590 2008-01-21  DJ Delorie  <dj@redhat.com>
5592         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
5593         return zero.
5595 2008-01-21  Richard Guenther  <rguenther@suse.de>
5597         PR middle-end/34856
5598         * tree-cfg.c (verify_expr): Allow all invariant expressions
5599         instead of just constant class ones as reference argument.
5600         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
5601         like any other constant.
5602         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
5604 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
5606         * regmove.c (fixup_match_1): Update call crossed frequencies.
5608 2008-01-21  Richard Guenther  <rguenther@suse.de>
5610         PR c/34885
5611         * tree-inline.c (setup_one_parameter): Deal with mismatched
5612         types using a VIEW_CONVERT_EXPR.
5614 2008-01-21  Alon Dayan  <alond@il.ibm.com>
5615             Olga Golovanevsky  <olga@il.ibm.com>
5616         
5617         PR tree-optimization/34701
5618         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
5619         when the structure size is not a power of 2.
5621 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
5623         * doc/install.texi: Add doc for --enable-checking=df.
5624         
5625 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5627         PR rtl-optimization/34808
5628         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
5630 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
5632         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
5633         input.
5635 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
5637         PR rtl-optimization/26854
5638         PR rtl-optimization/34400
5639         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
5640         DF_RD->gen.
5641         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
5642         (df_rd_bb_info.expanded_lr_out): New.
5643         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
5644         * loop_iv.c (iv_analysis_loop_init): Ditto.
5645         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5646         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5647         Added code to allocate, initialize or free expanded_lr_out.
5648         (df_rd_bb_local_compute_process_def): Restructured to make
5649         more understandable.
5650         (df_rd_confluence_n): Add code to do nothing with fake edges and
5651         code to no apply invalidate_by_call sets if the sets are being trimmed.
5652         (df_lr_local_finalize): Renamed to df_lr_finalize.
5653         (df_live_local_finalize): Renamed to df_live_finalize.
5655 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
5657         PR target/34831
5658         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
5659         deciding whether to use reciprocal instructions.
5661 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
5663         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
5664         dwarf2out_note_section_used if cold_text_section is NULL.
5666 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
5668         PR gcov-profile/34610
5669         * tree-cfg.c (make_edges): Mark both outgoing edges from
5670         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
5671         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
5672         from OMP_FOR and OMP_CONTINUE outgoing edges.
5674         * tree-profile.c (tree_profiling): Return early if
5675         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
5676         at the end.
5677         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
5678         from cfun to child_cfun.
5679         * function.h (struct function): Add after_tree_profile bit.
5681 2008-01-19 Anatoly Sokolov <aesok@post.ru>
5683         * config/avr/avr.S (_exit): Disable interrupt.
5685 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
5686             Steven Bosscher  <stevenb.gcc@gmail.com>
5688         PR rtl-optimization/26854
5689         PR rtl-optimization/34400
5690         * df-problems.c (df_live_scratch): New scratch bitmap.
5691         (df_live_alloc): Allocate df_live_scratch when doing df_live.
5692         (df_live_reset): Clear the proper bitmaps.
5693         (df_live_bb_local_compute): Only process the artificial defs once
5694         since the order is not important.
5695         (df_live_init): Init the df_live sets only with the variables
5696         found live by df_lr.
5697         (df_live_transfer_function): Use the df_lr sets to prune the
5698         df_live sets as they are being computed.  
5699         (df_live_free): Free df_live_scratch.
5701 2008-01-18  Ian Lance Taylor  <iant@google.com>
5703         * common.opt: Add fmerge-debug-strings.
5704         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
5705         flag_merge_debug_strings rather than flag_merge_constants.
5706         * doc/invoke.texi (Option Summary): Mention
5707         -fmerge-debug-strings.
5708         (Debugging Options): Document -fmerge-debug-strings.
5710 2008-01-18  Ian Lance Taylor  <iant@google.com>
5712         PR c++/33407
5713         * tree.h (DECL_IS_OPERATOR_NEW): Define.
5714         (struct tree_function_decl): Add new field operator_new_flag.
5715         * tree-inline.c (expand_call_inline): When inlining a call to
5716         operator new, force the return value to go into a variable, and
5717         set DECL_NO_TBAA_P on that variable.
5718         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
5720 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
5722         PR debug/34484
5723         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
5724         DWARF2_DEBUGGING_INFO.
5725         (dwarf2out_note_section_used): Ditto.  Add prototype.
5726         (have_multiple_function_sections, text_section_used,
5727         cold_text_section_used, *cold_text_sections): Move declarations
5728         before their uses.
5730 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
5732         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
5733         field and add signal_ra.
5734         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
5735         assignments to frame state pc.  Move end of stack check after
5736         MD_FALLBACK_FRAME_STATE_FOR.
5737         (uw_update_context_1): Use frame state signal_regs if set, instead
5738         of checking signal_frame flag.
5739         (uw_update_context): Use frame state signal_ra if set.
5740         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
5741         * config/xtensa/linux-unwind.h: New file.
5743 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
5745         * modulo-sched.c (get_sched_window): Fix comment typo.
5747 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
5749         PR tree-optimization/34648
5750         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
5752 2008-01-17  Anatoly Sokolov <aesok@post.ru>
5754         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
5755         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
5757 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
5759         PR rtl-optimization/34400
5760         * df-core.c (df_worklist_dataflow_overeager,
5761         df_worklist_dataflow_doublequeue): New functions.
5762         (df_worklist_dataflow): Two different worklist solvers.
5763         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
5764         New param.
5766 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5768         PR testsuite/34821
5769         * doc/invoke.texi: Document the dependence on pthread for fopenmp
5770         and ftree-parallelize-loops.
5772 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
5774         PR rtl-optimization/34826
5775         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
5777 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5779         * global.c (find_reg): Mark the eh regs as used if necessary.
5780         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
5781         * ra.h (struct allocno): no_eh_reg field added.  Changed
5782         no_stack_reg type to bitfield.
5784 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
5786         * tree.c (substitute_in_expr): Add missing 'break'.
5788 2008-01-17  Richard Guenther  <rguenther@suse.de>
5790         PR tree-optimization/34825
5791         * tree-ssa-math-opts.c (is_division_by): Do not recognize
5792         x / x as division to handle.
5794 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5796         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
5797         "-pthread" is specified.
5798         * pa-hpux11.h (LIB_SPEC): Likewise.
5800 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
5801             Peter Bergner  <bergner@vnet.ibm.com>
5803         PR rtl-optimization/33796
5804         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
5806 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5808         PR libgfortran/34699
5809         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
5810         static links.
5811         * pa-hpux10.h (LINK_SPEC): Likewise.
5812         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
5814 2008-01-16  Richard Guenther  <rguenther@suse.de>
5816         PR middle-end/32628
5817         * fold-const.c (fold_convert_const_int_from_int): Do not
5818         set overflow if that occured only because of a sign extension
5819         change when converting from/to a sizetype with the same
5820         precision and signedness.
5822 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
5824         PR debug/34249
5825         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
5826         location address to the correct place.  Update copyright year.
5828 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5830         * lambda-code.c (lambda_transform_legal_p): Handle the case of
5831         no dependences in the dependence_relations vector.
5833 2008-01-16  Jan Hubicka  <jh@suse.cz>
5835         PR rtl-optimization/31396
5836         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
5837         * cfg.c (dump_reg_info): Print it.
5838         * regs.h (struct reg_info_t): add freq_calls_crossed.
5839         (REG_FREQ_CALLS_CROSSED): New macro.
5840         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
5841         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
5842         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
5843         regmove_optimize): Update call crossed frequencies.
5844         * local-alloc.c (struct qty): Add freq_calls_crossed.
5845         (alloc_qty): Copute freq_calls_crossed.
5846         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
5847         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
5848         * ra.h (struct allocno): Add freq_calls_crossed.
5850 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5852         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
5853         libgomp when compiling with ftree-parallelize-loops.
5854         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
5856 2008-01-16  Richard Guenther  <rguenther@suse.de>
5858         PR tree-optimization/34769
5859         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
5860         * tree.c (int_cst_value): Instead make this function more
5861         permissive in what it accepts as valid input.  Document this
5862         function always sign-extends the value.
5864 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
5865             Richard Guenther  <rguenther@suse.de>
5867         PR c/34668
5868         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
5869         (gimple_fold_indirect_ref_rhs): ... this.
5870         (gimple_fold_indirect_ref): New function with foldings
5871         that preserve lvalueness.
5872         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
5873         * tree-flow.h (gimple_fold_indirect_ref): Declare.
5874         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
5875         to fold an INDIRECT_REF, fall back to the old use of
5876         fold_indirect_ref_1.
5878 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5880         * tree-data-ref.c (subscript_dependence_tester_1): Call 
5881         free_conflict_function.
5882         (compute_self_dependence): Same.
5884 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
5886         PR debug/34249
5887         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
5888         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
5889         function global.
5890         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
5891         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
5892         for DWARF2_UNWIND_INFO targets.
5894 2008-01-16  Richard Guenther  <rguenther@suse.de>
5896         PR c/34768
5897         * c-typeck.c (common_pointer_type): Do not merge inconsistent
5898         type qualifiers for function types.
5900 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
5902         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
5903         loop_iterator li from previous commit.
5905 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5907         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
5909 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5911         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
5912         (parallelize_loops): Don't parallelize irreducible components.
5914 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5916         PR c++/24924
5917         * c-opts (c_common_post_options): Do not enable CPP
5918         flag_pedantic_errors by default.
5919         
5920 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
5922         PR rtl-optimization/31944
5923         * cse.c (remove_pseudo_from_table): New function.
5924         (merge_equiv_classes): Use above function to remove pseudo-registers.
5925         (invalidate): Likewise.
5927 2008-01-13  Richard Guenther  <rguenther@suse.de>
5929         PR middle-end/34601
5930         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
5931         instead of TYPE_MODE to deal with calls from expand_one_error_var.
5933 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
5935         * gcse.c (cprop_jump): Call validate_unshare_change instead of
5936         validate_change to unshare the source of the PC set.
5938 2008-01-12  Jan Hubicka  <jh@suse.cz>
5940         PR middle-end/32135
5941         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
5942         references above array bounds.  This might trigger bounds checks for
5943         pointers to arrays.
5945 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5947         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
5948         new_replaceable_dependencies.
5950 2008-01-12  Doug Kwan  <dougkwan@google.com>
5952         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
5953         instead of OPT_Wreturn_type in warning due to ignored return type
5954         qualifiers.
5955         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
5956         options included in -Wextra.
5957         * c.opt: New option -Wignored_qualifiers.
5958         * doc/invoke.texi (Warning Options, -Wextra): Add new option
5959         -Wignore_qualifiers.
5960         (-Wignored-qualifiers): Document.
5961         (-Wreturn-type): Remove description of functionality now handled
5962         by -Wignored-qualifiers.
5964 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
5966         PR ada/33788
5967         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
5968         NOP_EXPR if it is between integral types with the same precision.
5970 2008-01-12  Jan Hubicka  <jh@suse.cz>
5972         PR other/28023
5973         * invoke.texi (max-inline-recursive-depth): Fix default value.
5975 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
5977         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
5978         correct type.
5980 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
5981         
5982         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
5983         
5984 2008-01-11  James E. Wilson  <wilson@specifix.com>
5986         PR target/26015
5987         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
5989 2008-01-11  Anatoly Sokolov <aesok@post.ru>
5991         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
5992         save/restore frame pointer register and don't use 'call-prologues' 
5993         optimization in function with "OS_task" attribute.
5995 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5997         PR middle-end/31309
5998         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
5999         when copying to memory.
6001 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
6003         PR rtl-optimization/30905
6004         * cfgcleanup.c: Include dce.h
6005         (crossjumps_occured): New global variable.
6006         (try_crossjump_bb): Exit loop after finding a fallthru edge.
6007         If something changed, set crossjumps_occured to true.
6008         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
6009         Don't add/remove fake edges to exit here...
6010         (cleanup_cfg): ...but do it here, when crossjumping.
6011         Run a fast DCE when successful crossjumps occured in the latest
6012         iteration of try_optimize_cfg.
6014 2008-01-11  Richard Guenther  <rguenther@suse.de>
6016         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
6017         (struct vn_unary_op_s): Likewise.
6018         (vn_reference_insert): Free old reference on hash collision.
6020 2008-01-10  Raksit Ashok  <raksit@google.com>
6022         PR rtl-optimization/27971
6023         * combine.c (find_split_point): Split PLUS expressions which are
6024         inside a MEM rtx, and whose first operand is complex.
6026 2008-01-10  DJ Delorie  <dj@redhat.com>
6028         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
6029         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
6030         (m32c_hard_regno_ok): Call the underlying function.
6032 2008-01-10  Richard Guenther  <rguenther@suse.de>
6034         PR middle-end/34683
6035         * tree-cfg.c (tree_merge_blocks): Do not go through the
6036         full-blown folding and stmt updating path if we just deal
6037         with virtual operands.
6038         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
6039         test for abnormal SSA_NAMEs.
6041 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
6043         PR middle-end/34641
6044         * reload.c (push_reload): Add assertions.  All constants from
6045         reg_equiv_constant should have been used for replacing the respective
6046         pseudo earlier.
6047         (find_reloads_address): Invoke find_reloads_address_part for
6048         constant taken from the reg_equiv_constant array.
6050 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
6052         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
6053         field (valnum) the first in the struct.  Replace bools with
6054         unit bit fields.
6056 2008-01-10  Richard Guenther  <rguenther@suse.de>
6058         PR tree-optimization/34651
6059         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
6060         types and ordering for masking and converting.
6062 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
6064         PR tree-optimization/34017
6065         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
6066         also for PHI_NODE expressions.
6068 2008-01-09  Jan Hubicka  <jh@suse.cz>
6070         PR tree-optimization/34708
6071         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
6072         based on number of case labels.
6073         (init_inline_once): Remove switch_cost.
6074         * tree-inline.h (eni_weights_d): Remove switch_cost.
6076 2008-01-09  Richard Guenther  <rguenther@suse.de>
6077         Andrew Pinski  <andrew_pinski@playstation.sony.com>
6079         PR middle-end/30132
6080         * gimplify.c (gimplify_cond_expr): Do not create an addressable
6081         temporary if an rvalue is ok or an lvalue is not required.
6083 2008-01-09  Richard Guenther  <rguenther@suse.de>
6085         PR middle-end/34458
6086         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
6087         adjust return type.
6089 2008-01-09  Richard Guenther  <rguenther@suse.de>
6091         PR middle-end/34679
6092         * tree.c (host_integerp): Check for sizetype only if the
6093         type is an integer type.
6095 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
6097         PR debug/26364
6098         * opts.c (decode_options): Disable inlining of functions called
6099         once if not in unit-at-a-time mode.
6101 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
6103         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
6105 2008-01-08  Richard Guenther  <rguenther@suse.de>
6107         PR middle-end/31863
6108         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
6109         out early if the result will be unused.
6111 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
6113         PR target/34709
6114         Revert:
6116         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
6117         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6118         for TARGET_RECIP.       
6119         
6120 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
6121         
6122         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
6123         for vectorization tuned.
6124         
6125 2008-01-08  Richard Guenther  <rguenther@suse.de>
6127         PR tree-optimization/34683
6128         * tree-ssa-operands.c (operand_build_cmp): Export.
6129         * tree-ssa-operands.h (operand_build_cmp): Declare.
6130         * tree-vn.c (vuses_compare): Remove.
6131         (sort_vuses): Use operand_build_cmp.
6132         (sort_vuses_heap): Likewise.
6133         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
6134         to re-use old VEC if available.  Do not sort already sorted VUSEs.
6135         (vdefs_to_vec): Do not sort already sorted VDEFs.
6137 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
6139         PR middle-end/34694
6140         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
6142 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
6144         PR target/34702
6145         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
6146         limitations of reciprocal sequences on x86 targets.
6148 2008-01-08  Richard Guenther  <rguenther@suse.de>
6150         PR tree-optimization/34683
6151         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
6153 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
6155         PR target/34622
6156         * config/darwin.c (darwin_mergeable_string_section): Don't use
6157         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
6159 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
6161         PR target/34682
6162         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
6163         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
6164         predicates of op0 and op1 to register_operand.
6165         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
6166         expander using X87MODEF mode iterator.  Change predicates of
6167         op0 and op1 to register_operand.
6168         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
6169         corresponding patterns and macroize using MODEF macro.  Change
6170         predicates of op0 and op1 to register_operand and remove
6171         "m" constraint. Disparage "r" alternative with "!".
6172         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
6173         macroize using X87MODEF macro.  Change predicates of op0 and op1
6174         to register_operand and remove "m" constraint.  Disparage "r"
6175         alternative with "!".
6176         (absneg splitter with memory operands): Remove.
6177         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
6178         patterns and macroize using X87MODEF mode iterator.
6179         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
6180         Change predicate of op1 to register_operand.
6181         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
6182         for memory operands.
6184 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
6186         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
6188 2008-01-07  Richard Guenther  <rguenther@suse.de>
6190         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
6191         fields.
6193 2008-01-07  Richard Guenther  <rguenther@suse.de>
6195         PR tree-optimization/34683
6196         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
6197         VOPs of the needed size to save memory.  Use VEC_quick_push
6198         to save compile-time.
6199         (vdefs_to_vec): Likewise.
6201 2008-01-07  Sa Liu  <saliu@de.ibm.com>
6203         * config/spu/spu.md (divdf3): Genetate inline code for double
6204         division.  The implementation doesn't handle INF or NAN, therefore it
6205         only applies when -ffinite-math-only is given.
6207 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
6209         PR libstdc++/34680
6210         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
6211         * doc/cpp.texi ([Common Predefined Macros]): Document.
6213 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
6215         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
6216         order to use commutative addition instead of subtraction.
6218 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6219             Mircea Namolaru  <namolaru@il.ibm.com>
6220             Vladimir Yanovsky  <yanov@il.ibm.com>
6221             Revital Eres  <eres@il.ibm.com>
6223         PR tree-optimization/34263
6224         * tree-outof-ssa.c (process_single_block_loop_latch,
6225         contains_tree_r): New functions.
6226         (analyze_edges_for_bb): Call process_single_block_loop_latch
6227         function to empty single-basic-block latch block if possible.
6229 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
6231         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6232         for TARGET_RECIP.
6233         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
6235 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
6237         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
6239 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
6241         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
6243 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
6245         PR tree-optimization/34618
6246         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
6247         flag from T.
6249 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
6251         PR target/34673
6252         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
6253         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
6254         Update copyright year.
6256         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
6257         Update copyright year.
6258         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
6259         using NR fixup.
6261 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
6263         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
6264         edge does not point to current bb before changing need_assert.
6266 2008-01-04  Richard Guenther  <rguenther@suse.de>
6268         PR middle-end/34029
6269         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
6270         for verifying purposes if they are is_gimple_min_invariant.
6272 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
6274         PR tree-optimization/34448
6275         PR tree-optimization/34465
6276         * gimplify.c (gimplify_init_constructor): Add new parameter
6277         notify_temp_creation.  Use it.
6278         (gimplify_modify_expr_rhs): Take volatiles into account when
6279         optimizing constructors.
6280         Do not optimize constructors if gimplify_init_constructor will dump to
6281         memory.
6282         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
6283         * gcc.c-torture/compile/pr34448.c: New.
6285 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
6287         PR gcov-profile/34609
6288         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
6289         return_slot if result is TREE_ADDRESSABLE.
6291 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
6293         * config/mips/mips.md (sqrt_condition): Tweak comment.
6294         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
6296 2008-01-03  Tom Tromey  <tromey@redhat.com>
6298         PR c/34457
6299         * c-common.c (c_type_hash): Handle VLAs.
6301 2008-01-03  Jan Hubicka  <jh@suse.cz>
6303         PR tree-optimization/31081
6304         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
6305         0 when inlining and not inlining to first basic block.
6306         (remap_decl): When var is initialized to 0, don't set default_def.
6307         (expand_call_inline): Set entry_bb.
6308         * tree-inline.h (copy_body_data): Add entry_bb.
6310 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
6312         PR c++/34619
6313         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
6314         before returning.
6316         PR tree-optimization/29484
6317         * tree-inline.c (inline_forbidden_p_2): New function.
6318         (inline_forbidden_p): Disallow inlining if some static var
6319         has an address of a local LABEL_DECL in its initializer.
6320         * doc/extend.texi (Labels as Values): Document &&foo behaviour
6321         vs. inlining.
6323 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
6325         PR tree-optimization/34635
6326         * tree-data-ref.c (add_other_self_distances): Make sure that the
6327         evolution step is constant.
6329 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
6331         PR middle-end/34608
6332         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
6334 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
6336         * tree-sra.c (scalarize_init): Insert the generate_element_init
6337         statements after the generate_element_zero statements.
6339 2008-01-02  Richard Guenther  <rguenther@suse.de>
6341         PR middle-end/34093
6342         PR middle-end/31976
6343         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
6344         for very large number of operands instead of ICEing.
6346 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
6348         PR target/34013
6349         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
6350         while stack probing.
6352 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
6354         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
6355         in C++0x mode.
6357 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
6359         PR libmudflap/26442
6360         * tree-mudflap.c (mx_register_decls): Guard warning by
6361         !DECL_ARTIFICIAL check.
6363 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
6365         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
6366         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
6367         sse5_perm<mode>): Fix constraints.