1 2008-04-11 James E. Wilson <wilson@tuliptree.org>
3 * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
5 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
7 * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
8 of size of positions_needed * CHAR_BIT.
10 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
13 * dse.c (store_info): Change positions_needed to unsigned
15 (lowpart_bitmask): New.
16 (record_store): Cast to unsigned HOST_WIDE_INT for
17 positions_needed. Assert width <= size of positions_needed *
18 CHAR_BIT. Call lowpart_bitmask to initialize positions_needed.
19 (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask. Call
20 lowpart_bitmask to set mask.
22 2008-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
24 * config/bfin/constraints.md: New file.
25 * config/bfin/bfin.md: Include it.
26 (adddi3): Use satisfies_constraint functions instead of the old macros.
27 * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
28 CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
29 CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
30 CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
31 CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
32 CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
33 EXTRA_CONSTRAINT): Delete.
34 * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
35 reg_or_neg7bit_operand): Use satisfies_constraint functions instead
37 * config/bfin/bfin.c: Include "tm-constrs.h".
38 (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
39 Use satisfies_constraint functions instead of the old macros.
40 * doc/md.texi (Blackfin Constraints): Update file name reference.
42 2008-04-11 Richard Guenther <rguenther@suse.de>
44 PR tree-optimization/35869
45 * tree-vrp.c (execute_vrp): Move switch statement update after
46 jump threading. Schedule another cfg cleanup run.
48 2008-04-11 Volker Reichelt <v.reichelt@netcologne.de>
51 * attribs.c (decl_attributes): Return early on errorneous node.
53 2008-04-10 Oleg Ryjkov <olegr@google.com>
55 * tree.h (struct tree_base): Added a new flag default_def_flag.
56 (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
58 2008-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
60 * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
62 2008-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
65 * pa.md: Define mode iterator P. Define mode attribute dwc.
66 (dcacheflush): Update pattern to use iterator P and attribute dwc.
67 (icacheflush): Likewise.
68 * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
69 !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
71 2008-04-11 Ben Elliston <bje@au.ibm.com>
73 * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
75 2008-04-10 Rafael Espindola <espindola@google.com>
77 * gcc/tree-vrp.c (extract_range_from_binary_expr): Don't handle
78 TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
79 (extract_range_from_expr): The same.
81 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
83 * config/mips/mips.md (GPR2): New mode iterator.
85 (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
86 *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
87 *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
88 Rewrite these to take two modes, the mode of comparison and the
89 mode of the destination.
90 * config/mips/mips.c (mips_expand_scc): Instead of having
91 paradoxical subreg as destination, expand "narrowing" scc if mode
92 of comparison is SI and target is requested in DI mode.
93 (mips_emit_int_order_test): Update comment. Make mode of
94 comparison match CMP0 rather than TARGET. When creating inverse
95 target use mode of TARGET.
97 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
99 * gcov-dump.c (tag_summary): Only print summaries for the first
100 GCOV_COUNTERS_SUMMABLE counters.
102 2008-04-10 Uros Bizjak <ubizjak@gmail.com>
104 * config/i386/i386.md (absneg): New code iterator.
105 (absnegprefix): New code attribute.
106 (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
107 patterns using absneg code iterator.
108 (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
109 using absneg code iterator.
110 (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
111 *neg<mode>2 patterns using absneg code iterator.
112 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
113 *negextendsfdf2 patterns using absneg code iterator.
114 (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
115 *negextendsfxf2 patterns using absneg code iterator.
116 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
117 *negextendsfdf2 patterns using absneg code iterator.
118 * config/i386/sse.md (<code><mode>2): Macroize expander from
119 abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
121 2008-04-10 Andreas Krebbel <krebbel1@de.ibm.com>
123 * config/s390/s390.h: Remove the remains of the recent search
124 & replace action of current_function_outgoing_args_size.
126 2008-04-10 Ira Rosen <irar@il.ibm.com>
128 PR tree-optimization/35821
129 * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
130 NEW_STMT_LIST is not NULL.
132 2008-04-09 David Edelsohn <edelsohn@gnu.org>
135 * toplev.c (process_options): Remove -ffunction-sections debugging
138 2008-04-09 Peter Bergner <bergner@vnet.ibm.com>
140 PR middle-end/PR28690
141 * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
142 than gen_rtx_fmt_ee to perform more canonicalizations.
144 2008-04-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
147 * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
149 2008-04-09 Richard Guenther <rguenther@suse.de>
151 * tree-cfg.c (verify_stmt): Print complete bogus stmt.
152 (dump_function_to_file): Dump function arguments with types.
154 2008-04-08 Richard Guenther <rguenther@suse.de>
156 * fold-const.c (fold_widened_comparison): Do not allow
157 sign-changes that change the result.
159 2008-04-08 Janis Johnson <janis187@us.ibm.com>
162 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
163 kinds of indirect references.
165 2008-04-08 David Edelsohn <edelsohn@gnu.org>
167 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
168 GNU Fortran language string.
170 2008-04-08 Rafael Espindola <espindola@google.com>
172 * fold-canst.c (tree_call_nonnegative_warnv_p): New.
173 (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
174 * tree.h (tree_call_nonnegative_warnv_p): New.
176 2008-04-08 Jan Hubicka <jh@suse.cz>
178 * function.c (free_after_compilation): Clear out regno_reg_rtx
181 2008-04-08 Peter Bergner <bergner@vnet.ibm.com>
184 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
186 PR middle-end/PR28690
187 * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
188 same precedence as REG_POINTER and MEM_POINTER operands.
190 2008-04-08 Richard Guenther <rguenther@suse.de>
193 * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
194 for adding index to base.
196 2008-04-08 Kai Tietz <kai.tietz@onevision.com>
198 * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
199 (MINGW_ENABLE_EXECUTE_STACK): New.
200 (IN_LIBGCC2): For libgcc include windows.h file for
201 function declarations.
203 2008-04-08 Hans-Peter Nilsson <hp@axis.com>
205 * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
206 and tem2 if tem1 is not a REG or MULT.
208 2008-04-08 Jan Hubicka <jh@suse.cz>
210 * function.h (incomming_args): Break out of struct function.
211 (function_subsections): Break out of struct function.
212 (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
213 return_rtx and hard_reg_initial_vals from struct function.
214 Kill inl_max_label_num.
215 (current_function_pops_args, current_function_args_info,
216 current_function_args_size, current_function_args_size,
217 current_function_pretend_args_size,
218 current_function_outgoing_args_size,
219 current_function_internal_arg_pointer, current_function_return_rtx):
220 Kill compatibility accestor macros.
221 * builtins.c (expand_builtin_apply_args_1): Update.
222 (expand_builtin_next_arg): Update.
223 * df-scan.c (df_get_call_refs): Update.
224 * dbxout.c (dbxout_function_end): Update.
225 * dwarf2out.c (dwarf2out_switch_text_section): Update.
226 (output_line_info): Update.
227 (secname_for_decl): Update.
228 (dwarf2out_var_location): Update.
229 * function.c (free_after_compilation): Update.
230 (assign_parm_find_stack_rtl): Update.
231 (assign_parms): Update.
232 (expand_dummy_function_end): Update.
233 (expand_function_end): Update.
234 * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
235 (expand_call): Update.
236 (emit_library_call_value_1): Update.
237 (store_one_arg): Update.
238 * varasm.c (initialize_cold_section_name): Update.
239 (unlikely_text_section): Update.
240 (unlikely_text_section_p): Update.
241 (assemble_start_function): Update.
242 (assemble_end_function): Update.
243 (default_section_type_flags): Update.
244 (switch_to_section): Update.
245 * integrate.c (set_decl_abstract_flags): Update.
246 (get_hard_reg_initial_val): Update.
247 (has_hard_reg_initial_val): Update.
248 (allocate_initial_values): Update.
249 * resource.c (init_resource_info): Update.
250 * config/alpha/alpha.c (NUM_ARGS): Update.
251 (direct_return): Update.
252 (alpha_va_start): Update.
253 (alpha_sa_size): Update.
254 (alpha_initial_elimination_offset): Update.
255 (alpha_expand_prologue): Update.
256 (alpha_start_function): Update.
257 (alpha_expand_epilogue): Update.
258 (unicosmk_initial_elimination_offset):
259 * config/alpha/alpha.md (call expander): Update.
260 * config/s390/s390.c (s390_register_info): Update.
261 (s390_register_info): Update.
262 (s390_frame_info): Update.
263 (s390_initial_elimination_offset): Update.
264 (s390_build_builtin_va_list): Update.
265 (s390_va_start): Update.
266 * config/spu/spu.c (direct_return): Update.
267 (spu_expand_prologue): Update.
268 (spu_initial_elimination_offset): Update.
269 (spu_build_builtin_va_list): Update.
270 (spu_va_start): Update.
271 * config/sparc/sparc.c (sparc_init_modes): Update.
272 (sparc_compute_frame_size): Update.
273 (function_value): Update.
274 * config/m32r/m32r.c (m32r_compute_frame_size): Update.
275 * config/i386/i386.md (return expander): Update.
276 * config/i386/i386.c (ix86_va_start): Update.
277 (ix86_can_use_return_insn_p): Update.
278 (ix86_compute_frame_layout): Update.
279 (ix86_expand_epilogue): Update.
280 * config/sh/sh.c (output_stack_adjust): Update.
281 (calc_live_regs): Update.
282 (sh_expand_prologue): Update.
283 (sh_builtin_saveregs): Update.
284 (sh_va_start): Update.
285 (initial_elimination_offset): Update.
286 (sh_allocate_initial_value): Update.
287 (sh_function_ok_for_sibcall): Update.
288 (sh_get_pr_initial_val): Update.
289 * config/sh/sh.md (return expander): Update.
290 * config/avr/avr.c (frame_pointer_required_p): UPdate.
291 * config/crx/crx.c (crx_compute_frame): UPdate.
292 (crx_initial_elimination_offset): UPdate.
293 * config/xtensa/xtensa.c (compute_frame_size): Update
294 (xtensa_builtin_saveregs): Update.
295 (xtensa_va_start): Update.
296 (order_regs_for_local_alloc): Update.
297 * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
298 (xstormy16_expand_builtin_va_start): Update.
299 * config/fr30/fr30.c (fr30_compute_frame_size): Update.
300 * config/m68hc11/m68hc11.md (return expanders): Update.
301 * config/m68hc11/m68hc11.c (expand_prologue): Update.
302 (expand_epilogue): Update.
303 * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
304 (cris_simple_epilogue): Update.
305 (cris_expand_prologue): Update.
306 (cris_expand_epilogue): Update.
307 * config/iq2000/iq2000.c (iq2000_va_start): Update.
308 (compute_frame_size): Update.
309 * config/mt/mt.c (mt_compute_frame_size): Update.
310 * config/mn10300/mn10300.c (expand_prologue): Update.
311 (expand_epilogue): Update.
312 (initial_offset): Update.
313 (mn10300_builtin_saveregs):
314 * config/mn10300/mn10300.md (return expander): Update.
315 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
316 (ia64_initial_elimination_offset): Update.
317 (ia64_initial_elimination_offset): Update.
318 (ia64_expand_prologue): Update.
319 * config/m68k/m68k.md (return expander): Update.
320 * config/rs6000/rs6000.c (rs6000_va_start): Update.
321 (rs6000_stack_info): Update.
322 * config/mcore/mcore.c (layout_mcore_frame): Update.
323 (mcore_expand_prolog): Update.
324 * config/arc/arc.c (arc_compute_frame_size): Update.
325 * config/score/score3.c (score3_compute_frame_size): Update.
326 * config/score/score7.c (score7_compute_frame_size): Update.
327 * config/arm/arm.c (use_return_insn): Update.
328 (thumb_find_work_register): Update.
329 (arm_compute_save_reg_mask): Update.
330 (arm_output_function_prologue): Update.
331 (arm_output_epilogue): Update.
332 (arm_size_return_regs): Update.
333 (arm_get_frame_offsets): Update.
334 (arm_expand_prologue): Update.
335 (thumb_exit): Update.
336 (thumb_unexpanded_epilogue): Update.
337 (thumb1_output_function_prologue): Update.
338 * config/pa/pa.md (return expander): Update.
339 * config/pa/pa.c (compute_frame_size): Update.
340 (hppa_builtin_saveregs): Update.
341 * config/mips/mips.c (mips_va_start): Update.
342 (mips16_build_function_stub): Update.
343 (mips_compute_frame_info): Update.
344 (mips_restore_gp): Update.
345 (mips_output_function_prologue): Update.
346 (mips_expand_prologue): Update.
347 * config/v850/v850.c (compute_frame_size): Update.
348 (expand_prologue): * config/mmix/mmix.c (along): update.
349 (mmix_initial_elimination_offset): update.
350 (mmix_reorg): update.
351 (mmix_use_simple_return): update.
352 (mmix_expand_prologue): update.
353 (mmix_expand_epilogue): Update.
354 * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
355 (emit_link_insn): Update.
357 2008-04-08 Anatoly Sokolov <aesok@post.ru>
359 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
360 __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
362 * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
365 2008-04-07 Jan Hubicka <jh@suse.cz>
367 * function.h (rtl): Rename to x_rtl.
369 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
370 frame_offset, stack_check_probe_note, arg_pointer_save_area,
371 used_temp_slots avail_temp_slots, temp_slot_level,
372 nonlocal_goto_handler_labels): Update accesstors.
373 (rtl): New global variable.
374 (struct function): Move some fileds to rtl_data.
375 (get_arg_pointer_save_area): Update prototype.
376 * builtins.c (expand_builtin_setjmp_receiver): Update call of
377 get_arg_pointer_save_area.
378 * expr.c (init_expr): Update
379 * function.c (get_frame_size): Update
380 (assign_stack_local): Update
381 (expand_function_end): Update.
382 (get_art_pointer_save_area): Update
384 * emit-rtl.c (rtl): Declare.
385 (regno_reg_rtx): Declare.
386 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
388 (gen_reg_rtx): Update.
389 * varasm.c (n_deferred_constatns): Update accestor.
390 (init_varasm_status): Do not allocate varasm_status.
391 (force_const_mem, get_pool_size, output_constant_pool): Update.
392 * stmt.c (force_label_rtx): Do not use x_ prefixes.
393 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
394 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
395 * sparc/sparc.h (INIT_EXPANDERS): Update.
396 * ia64/ia64.h (INIT_EXPANDERS): Update.
398 2008-04-07 James E. Wilson <wilson@tuliptree.org>
400 * reload.c (push_secondary_reload): Add missing break to for loop.
402 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
404 PR middle-end/PR28690
405 * rtlanal.c: Update copyright years.
406 (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
407 as REG_POINTER and MEM_POINTER operands.
408 * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
409 (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
410 * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
411 * gcse.c: Update copyright years.
412 (pre_delete): Call gen_reg_rtx_and_attrs.
413 (hoist_code): Likewise.
414 (build_store_vectors): Likewise.
415 (delete_store): Likewise.
416 * loop-invariant.c (move_invariant_reg): Likewise.
417 Update copyright years.
419 2008-04-07 Uros Bizjak <ubizjak@gmail.com>
421 * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
422 control string instead of quoted.
424 2008-04-07 Kenneth Zadeck <zadeck@naturalbridge.com>
426 * doc/rtl.texi: Rewrite of subreg section.
428 2008-04-07 Kai Tietz <kai.tietz@onevision.com>
431 * config/i386/i386.c (legitimize_pic_address): Add treating
432 of dllimport SYM_REF's.
433 (legitimize_dllimport_symbol): Add prototype.
435 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
437 * fold-const.c (fold) <ARRAY_REF>: New case. Try to fold constant
438 reference in constructor with non self-referential type.
440 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
442 Removal of Return with Depressed Stack Pointer support
443 * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
444 (ECF_SP_DEPRESSED): Likewise.
445 (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
446 * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
447 (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
448 (expand_call): Do not test ECF_SP_DEPRESSED.
449 * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
450 * function.c (keep_stack_depressed): Delete.
451 (handle_epilogue_set): Likewise.
452 (update_epilogue_consts): Likewise.
453 (emit_equiv_load): Likewise.
454 (thread_prologue_and_epilogue_insns): Remove support for Return with
455 Depressed Stack Pointer.
456 * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
458 2008-04-06 Richard Guenther <rguenther@suse.de>
460 PR tree-optimization/35400
461 * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
462 information from SSA_NAMEs.
464 2008-04-06 Anatoly Sokolov <aesok@post.ru>
466 * config/avr/avr.h (avr_mega_p): Remove declaration.
467 (AVR_MEGA): Remove macro.
468 * config/avr/avr.c (avr_mega_p): Remove variable.
469 (avr_override_options): Remove inicializion of avr_mega_p.
470 Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
471 (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
472 (avr_jump_mode): (Ditto.).
473 (avr_output_progmem_section_asm_op): (Ditto.).
474 (avr_asm_init_sections): (Ditto.).
475 (avr_asm_init_sections): (Ditto.).
476 (avr_rtx_costs): (Ditto.).
477 * config/avr/avr.md: (Ditto.).
478 * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
481 2008-04-06 Richard Guenther <rguenther@suse.de>
483 PR tree-optimization/35842
484 * tree-ssa-address.c (fixed_address_object_p): Adjust to match
485 is_gimple_invariant_address.
487 2008-04-06 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
489 * gcc.c (default_compilers): Sync Fortran extensions list with
490 that in fortran/lang-specs.h.
491 * doc/invoke.texi: Likewise.
492 * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
493 * dwarf2out.c (gen_compile_unit_die): Likewise.
495 2008-04-06 Tom G. Christensen <tgc@jupiterrise.com>
497 * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
499 2008-04-05 Uros Bizjak <ubizjak@gmail.com>
502 * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
503 attribute is used for nested functions.
505 2008-04-05 Jan Hubicka <jh@suse.cz>
507 * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
509 * tree-dump.c (dump_enable_all): Remove prototype; do not accept
511 (dump_files): Update.
512 (enable_rtl_dump_file): Do not accept letter argument.
513 * tree-pass.h (dump_file_info): Remove letter argument.
514 * toplev.c (decode_d_option): Update -da handling.
515 * toplev.h (enable_rtl_dump_file): Update prototype.
516 * passes.c (register_one_dump_file): Do not accept IPA argument; work
517 it out based on pass type.
518 (register_dump_files_1): Likewise.
519 (init_optimization_passes): Update register_one_dump_file calls.
520 (execute_one_pass): Sanity check that IPA passes are called at IPA
521 level and RTL passes at RTL level.
522 (execute_pass_list): IPA pass can not be after or subpass of
524 (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
525 disallov RTL subpasses of IPA subpasses.
527 2008-04-05 Ben Elliston <bje@au.ibm.com>
529 * tree-cfg.c (need_fake_edge_p): Return false for calls to
530 builtins that return exactly once and do not throw. Cache call to
533 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
535 PR rtl-optimization/34916
537 * combine.c (create_log_links): Do not create duplicate LOG_LINKS
538 between instruction pairs.
540 2008-04-04 Naveen.H.S <naveen.hs@kpitcummins.com>
542 * doc/invoke.texi: Document -mbitops for SH.
543 * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
544 * config/sh/predicates.md (bitwise_memory_operand): New predicate.
545 * config/sh/sh.c (print_operand): Add %t operand code.
546 * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
547 * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
548 (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
549 (extendqihi2): Likewise.
551 (insv): Use bset, bclr and bst instructions for SH2A if possible.
552 (extv): Use bld instruction for SH2A if possible.
554 (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
555 bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
556 bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
557 (bset.b, bclr.b): Define peepholes.
558 * config/sh/sh.opt (mbitops): New option.
560 2008-04-04 Janis Johnson <janis187@us.ibm.com>
563 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
564 and view convert expression.
566 2008-04-04 Jakub Jelinek <jakub@redhat.com>
569 * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
571 2008-04-04 H.J. Lu <hongjiu.lu@intel.com>
573 * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
575 * config/i386/cpuid.h (bit_AES): New.
576 (bit_PCLMUL): Likewise.
578 * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
579 (override_options): Handle PTA_AES and PTA_PCLMUL. Enable
580 SSE2 if AES or PCLMUL is enabled.
581 (ix86_builtins): Add IX86_BUILTIN_AESENC128,
582 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
583 IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
584 IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
585 (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
586 (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
587 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
588 IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
589 (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
590 (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
591 __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
592 __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
593 __builtin_ia32_aeskeygenassist128 and
594 __builtin_ia32_pclmulqdq128.
595 * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
596 (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
597 IX86_BUILTIN_PSRLDQI128. Handle IX86_BUILTIN_AESKEYGENASSIST128.
599 * config/i386/i386.h (TARGET_AES): New.
600 (TARGET_PCLMUL): Likewise.
601 (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
603 * config/i386/i386.md (UNSPEC_AESENC): New.
604 (UNSPEC_AESENCLAST): Likewise.
605 (UNSPEC_AESDEC): Likewise.
606 (UNSPEC_AESDECLAST): Likewise.
607 (UNSPEC_AESIMC): Likewise.
608 (UNSPEC_AESKEYGENASSIST): Likewise.
609 (UNSPEC_PCLMUL): Likewise.
611 * config/i386/i386.opt (maes): New.
614 * config/i386/sse.md (aesenc): New pattern.
615 (aesenclast): Likewise.
617 (aesdeclast): Likewise.
619 (aeskeygenassist): Likewise.
620 (pclmulqdq): Likewise.
622 * config/i386/wmmintrin.h: New.
624 * doc/extend.texi: Document AES and PCLMUL built-in function.
626 * doc/invoke.texi: Document -maes and -mpclmul.
628 2008-04-04 Paolo Bonzini <bonzini@gnu.org>
630 * function.c (free_after_parsing): Replace with
631 cxx_push_function_context from C++ front-end.
632 (allocate_struct_function): Don't call langhook.
633 * langhooks.h (struct lang_hooks_for_functions): Delete.
634 (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
636 * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
637 (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
638 LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
639 LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
640 (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
641 remove LANG_HOOKS_FUNCTION_INITIALIZER.
642 * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
644 * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
645 Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
647 2008-04-04 Jakub Jelinek <jakub@redhat.com>
650 * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
653 2008-04-04 Richard Guenther <rguenther@suse.de>
656 * fold-const.c (optimize_minmax_comparison): Use the correct
657 type for the constant in the simplified comparison.
659 2008-04-04 Zuxy Meng <zuxy.meng@gmail.com>
661 * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
662 Pass L2 size as "--param l2-cache-size" to the compiler.
663 (decode_l2_cache): New function to decode L2 cache parameters using
664 0x8000006 extended cpuid function.
665 (detect_caches_amd): Determine parameters of L2 cache using
666 decode_l2_caches function.
667 (decode_caches_intel): Decode L2 cache parameters.
668 (detect_caches_intel): Determine L2 cache parameters using
669 decode_caches_intel and decode_l2_caches functions.
671 2008-04-03 Bob Wilson <bob.wilson@acm.org>
673 * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
674 secondary input reload for subword loads from the constant pool.
676 2008-04-03 Janis Johnson <janis187@us.ibm.com>
679 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
680 constants of the appropriate size for runtime calculations.
683 * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
684 decimal-float literal constant zero.
686 2008-04-03 Jakub Jelinek <jakub@redhat.com>
689 * c-parser.c (c_parser_omp_atomic): Call
690 default_function_array_conversion on the RHS.
693 * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
694 call is_variable_sized if decl has incomplete type.
696 2008-04-03 H.J. Lu <hongjiu.lu@intel.com>
698 * config/i386/i386-protos.h (ix86_aligned_p): Removed.
700 2008-04-03 Adam Nemet <anemet@caviumnetworks.com>
702 * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
704 (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
705 (sgt<u>): Merge sgt and sgtu into new expander.
706 (sgt, sgtu): Remove expanders.
707 (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
708 (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
709 (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
710 *sgtu_<mode>_mips16 into new pattern.
711 (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
712 (sge<u>): Merge sge and sgeu into new expander.
713 (sge, sgeu): Remove expanders.
714 (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
716 (*sge_<mode>, second *sge_<mode>): Remove patterns.
717 (slt<u>): Merge slt and sltu into new expander.
718 (slt, sltu): Remove expanders.
719 (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
720 (*slt_<mode>, *sltu_<mode>): Remove patterns.
721 (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
722 *sltu_<mode>_mips16 into new pattern.
723 (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
724 (sle<u>): Merge sle and sleu into new expander.
725 (sle, sleu): Remove expanders.
726 (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
727 (*sle_<mode>, *sleu_<mode>): Remove patterns.
728 (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
729 *sleu_<mode>_mips16 into new pattern.
730 (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
732 2008-04-03 Jan Hubicka <jh@suse.cz>
734 PR tree-optimization/35795
735 * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
736 * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
737 * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
738 * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
739 * score/score3.c (score3_output_mi_thunk): Likewise.
740 * score/score7.c (score7_output_mi_thunk): Likewise.
741 * mips/mips.c (mips_output_mi_thunk): Likewise.
743 2008-04-03 Richard Guenther <rguenther@suse.de>
745 * tree-vrp.c (extract_range_from_unary_expr): Handle all
746 conversions. Simplify code.
748 2008-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
750 * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
752 2008-04-03 Tom Tromey <tromey@redhat.com>
753 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
755 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
756 * config/bfin/t-bfin-linux (generated_files): Add
757 linux-sysroot-suffix.h.
758 * doc/install.texi (Prerequisites): Require make 3.80.
759 * doc/sourcebuild.texi (Front End Directory): Document new
761 * Makefile.in (generated_files): New variable.
762 (ALL_HOST_OBJS): New variable.
763 ($(ALL_HOST_OBJS)): New target.
765 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
767 * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
768 (remap_block): Call id->transform_lang_insert_block instead
770 (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
771 Set id.transform_lang_insert_block to NULL.
772 (clone_body): Move to cp/optimize.c
773 * tree-inline.h (struct copy_body_data): Change
774 transform_lang_insert_block to function pointer.
775 (copy_generic_body, copy_decl_no_change): Export.
776 * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
777 * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
778 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
780 * c-tree.h (insert_block): Kill.
781 * c-decl.c (insert_block): Kill.
783 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
785 * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
786 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
787 * c-tree.h (c_push_function_context, c_pop_function_context): Remove
789 * c-decl.c (c_push_function_context, c_pop_function_context): Remove
790 argument, call {push,pop}_function_context from here.
791 * c-parser.c: Use c_{push,pop}_function_context.
793 * function.c (push_function_context_to): Move meat ...
794 (push_function_context): ... here. Simplify.
795 * function.c (pop_function_context_from): Move meat ...
796 (pop_function_context): ... here. Simplify.
797 * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
799 * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
800 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
801 (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
802 * tree.h (push_function_context_to, pop_function_context_from): Remove.
804 2008-04-03 Ben Elliston <bje@au.ibm.com>
806 * expmed.c (extract_force_align_mem_bit_field): Remove.
808 2008-04-03 Richard Guenther <rguenther@suse.de>
811 * expr.h (try_casesi): Adjust prototype.
812 * expr.c (try_casesi): Take fallback label as extra parameter.
813 Use that for gen_casesi if default_label is NULL.
814 * stmt.c (expand_case): Pass fallback label to try_casesi,
815 make sure to fill gaps with a fallback label if default_label
818 2008-04-03 Dominique d'Humieres <dominiq@lps.ens.fr>
821 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
823 2008-04-03 Ben Elliston <bje@au.ibm.com>
825 * expmed.c (extract_split_bit_field): Remove if (0) code.
826 * tree-ssa-structalias.c (do_sd_constraint): Likewise.
827 (do_ds_constraint): Likewise.
829 2008-04-02 Joseph Myers <joseph@codesourcery.com>
831 * doc/cppopts.texi (-dU): Document.
832 * c-common.h (flag_dump_macros): Update comment.
833 * c-opts.c (handle_OPT_d): Handle -dU.
834 * c-ppoutput.c (macro_queue, define_queue, undef_queue,
835 dump_queued_macros, cb_used_define, cb_used_undef): New.
836 (init_pp_output): Handle -dU.
837 (cb_line_change): Call dump_queued_macros.
838 * toplev.c (decode_d_option): Accept -dU as preprocessor option.
840 2008-04-02 Anatoly Sokolov <aesok@post.ru>
842 * config/avr/predicates.md (io_address_operand): New predicate.
843 * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
844 * config/avr/avr.c (avr_io_address_p): Remove function.
845 (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
846 'avr_io_address_p' function.
847 (out_movhi_r_mr): (Ditto.).
848 (out_movqi_mr_r): (Ditto.).
849 (out_movhi_mr_r): (Ditto.).
850 (avr_address_cost): (Ditto.).
852 2008-04-02 Uros Bizjak <ubizjak@gmail.com>
854 * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
855 Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
856 in 32bit mode when XMM registers are available to avoid store
858 (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
859 corresponding post-reload splitters.
861 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
863 * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
864 and __builtin_ia32_shufpd. Provide __builtin_ia32_roundsd and
865 __builtin_ia32_roundss.
866 (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
867 __builtin_ia32_shufpd, __builtin_ia32_roundsd and
868 __builtin_ia32_roundss.
869 (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
870 IX86_BUILTIN_SHUFPD here.
872 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
874 * config/i386/i386.md (plogic): New.
875 (plogicprefix): Likewise.
877 * config/i386/mmx.md (mmx_<code><mode>3): New.
878 (mmx_and<mode>3): Removed.
879 (mmx_ior<mode>3): Likewise.
880 (mmx_xor<mode>3): Likewise.
882 * config/i386/sse.md (<code><mode>3): New.
883 (*<code><mode>3): Likewise.
884 (*<code><mode>3): Likewise.
885 (<code><mode>3): Likewise.
886 (*sse_<code><mode>3): Likewise.
887 (*sse2_<code><mode>3): Likewise.
888 (<code>tf3): Likewise.
889 (*<code>tf3): Likewise.
890 (and<mode>3): Likewise.
891 (*and<mode>3): Likewise.
892 (ior<mode>3): Removed.
893 (*ior<mode>3): Likewise.
894 (xor<mode>3): Likewise.
895 (*xor<mode>3): Likewise.
896 (*and<mode>3): Likewise.
897 (*ior<mode>3): Likewise.
898 (*xor<mode>3): Likewise.
899 (and<mode>3): Likewise.
900 (*sse_and<mode>3): Likewise.
901 (*sse2_and<mode>3): Likewise.
904 (ior<mode>3): Likewise.
905 (*sse_ior<mode>3): Likewise.
906 (*sse2_ior<mode>3): Likewise.
909 (xor<mode>3): Likewise.
910 (*sse_xor<mode>3): Likewise.
911 (*sse2_xor<mode>3): Likewise.
915 2008-04-02 Richard Guenther <rguenther@suse.de>
917 PR tree-optimization/14495
918 PR tree-optimization/34793
919 * tree-vrp.c (struct switch_update): New structure.
920 (to_remove_edges, to_update_switch_stmts): New VECs.
921 (simplify_switch_using_ranges): New function. Remove not taken
922 case labels and edges.
923 (simplify_stmt_using_ranges): Call it.
924 (identify_jump_threads): Mark edges we have queued for removal
925 so we don't thread them.
926 (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
928 * tree-cfg.c (group_case_labels): Deal with missing default label.
929 (tree_verify_flow_info): Allow missing default label.
930 * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
931 (emit_case_nodes): Likewise.
932 (expand_case): Do not rely on the default label to be present.
933 * expr.c (try_casesi): Deal with NULL default_label.
934 (do_tablejump): Likewise.
936 2008-04-02 Richard Guenther <rguenther@suse.de>
938 PR tree-optimization/14495
939 * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
941 (vrp_visit_switch_stmt): ... but here (new function).
942 (find_case_label_index): New helper function.
943 (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
945 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
947 * fwprop.c: Fix ISO-C99ism.
949 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
952 * Makefile.in (objdir): Set it here.
953 * configure.ac: Not here. Find dynamic linker characteristics.
954 * exec-tool.in: Use them.
955 * aclocal.m4: Regenerate.
956 * configure: Regenerate.
958 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
960 * expr.c (expand_var): Delete it.
961 * expr.h (expand_var): Delete prototype.
962 * function.c (expand_function_start): Use expand_decl instead.
963 * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
966 2008-04-02 Andy Hutchinson <hutchinsonamdy@aim.com>
968 PR rtl-optimization/35542
969 * fwprop.c (forward_propagate_and_simplify): Replace
970 loc_reg_mentioned_in_p with reg_mentioned_p.
972 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
974 PR rtl-optimization/35281
975 * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
976 (propagate_rtx_1): Handle PR_HANDLE_MEM.
977 (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
978 (varying_mem_p): Move above propagate_rtx.
979 (all_uses_available_at): Do not check MEMs.
981 2008-04-02 Rafael Espindola <espindola@google.com>
983 * tree-vrp.c (extract_code_and_val_from_cond): Remove.
984 (register_edge_assert_for_2): Split the cond argument.
985 (register_edge_assert_for_1): Adjust for the change in
986 register_edge_assert_for_2.
987 (register_edge_assert_for): Split the cond argument.
988 (find_switch_asserts): Adjust for the change in
989 register_edge_assert_for.
991 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
993 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
994 * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
995 offsets for 64-bit mingw.
996 * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
997 abi for x86_64-pc-mingw.
999 2008-04-02 Richard Guenther <rguenther@suse.de>
1001 * tree-vrp.c (extract_range_from_assert): Make sure to not
1002 produce range min/max with TREE_OVERFOW set.
1003 If merging a anti-range and a range keep the anti-range if
1004 the range covers all values of the type.
1005 (register_edge_assert_for_2): Only allow sign-changing
1006 conversions in detecting canonical range checks. Also
1007 register an assert for the unsigned name if useful.
1009 PR tree-optimization/35787
1010 * tree-vrp.c (vrp_val_max): New function.
1011 (vrp_val_min): Likewise.
1012 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
1013 (vrp_val_is_min): Likewise.
1014 (supports_overflow_infinity): Use vrp_val_{min,max}.
1015 (negative_overflow_infinity): Likewise.
1016 (positive_overflow_infinity): Likewise.
1017 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
1018 (is_positive_overflow_infinity): Likewise.
1019 (is_overflow_infinity): Likewise.
1020 (avoid_overflow_infinity): Use vrp_val_{min,max} and
1021 vrp_val_is_{min,max}.
1022 (set_and_canonicalize_value_range): Canonicalize anti-ranges
1023 to ranges if possible. Avoid empty ranges.
1025 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1028 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
1029 the expression is a function address.
1031 2008-04-01 George Helffrich <george@gcc.gnu.org>
1033 PR fortran/PR35154, fortran/PR23057
1034 * fortran/trans-common.c (create_common): Add decl to function
1035 chain to preserve identifier scope in debug output.
1037 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
1038 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
1039 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
1040 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
1042 (dbxout_syms): Check for COMMON-based symbol and wrap in
1043 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
1044 in bracket for efficiency.
1046 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
1047 using DW_TAG_common_block + member offset.
1048 (add_pubname_string): New function.
1049 (dw_expand_expr): New function to find block name and offset for
1051 (common_check): New function to check whether symbol in Fortran COMMON.
1052 (gen_variable_die): If COMMON, use DW_TAG_common_block.
1054 * testsuite/gcc.dg/debug/pr35154.c: New test to check that non-Fortran
1055 use of common is unchanged.
1057 * testsuite/lib/gfortran-dg.exp: New harness to compile Fortran progs
1058 with all combinations of debug options available on target.
1059 * testsuite/gfortran.dg/debug/debug.exp: Ditto.
1060 * testsuite/gfortran.dg/debug/trivial.f: Ditto.
1061 * testsuite/gfortran.dg/debug/pr35154-stabs.f: New test case for
1062 .stabs functionality.
1063 * testsuite/gfortran.dg/debug/pr35154-dwarf2.f: New test case for
1064 DWARF functionality.
1066 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
1069 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
1071 2008-04-02 Ben Elliston <bje@au.ibm.com>
1073 * config/v850/v850.md (casesi): Remove if (0) code.
1074 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1075 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
1077 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
1079 * config/i386/i386.md (rex64suffix): New mode attribute.
1080 (floathi<mode>2): Disable expander for SSE math.
1081 (*floathi<mode>2_1): New insn insn_and_split pattern.
1082 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
1083 corresponding post-reload splitters.
1084 (*floathi<mode>2_i387): New macroized insn pattern.
1085 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
1086 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
1087 insn_and_split pattern.
1088 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
1089 New macroized instruction patterns and corresponding post-reload
1091 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
1092 and corresponding post-reload splitters.
1093 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
1094 New macroized instruction patterns.
1095 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
1096 macroized instruction patterns and corresponding post-reload splitters.
1097 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
1098 corresponding post-reload splitters.
1099 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
1100 New macroized instruction patterns.
1101 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
1102 corresponding post-reload splitters.
1103 (*floatsi<mode>2_i387): New macroized instruction patterns.
1105 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
1107 * config/i386/i386.md (smaxmin): New.
1108 (umaxmin): Likewise.
1109 (maxminiprefix): Likewise.
1110 (maxminfprefix): Likewise.
1111 (<code><mode>3): Likewise.
1112 (smin<mode>3): Removed.
1113 (smax<mode>3): Likewise.
1115 * config/i386/mmx.md (mmx_<code>v2sf3): New.
1116 (mmx_<code>v4hi3): Likewise.
1117 (mmx_<code>v8qi3): Likewise.
1118 (mmx_smaxv2sf3): Removed.
1119 (mmx_sminv2sf3): Likewise.
1120 (mmx_umaxv8qi3): Likewise.
1121 (mmx_smaxv4hi3): Likewise.
1122 (mmx_uminv8qi3): Likewise.
1123 (mmx_sminv4hi3): Likewise.
1125 * config/i386/sse.md (<addsub><mode>3): New.
1126 (*<addsub><mode>3): Likewise.
1127 (<sse>_vm<addsub><mode>3): Likewise.
1128 (<maxmin><mode>3): Likewise.
1129 (*<maxmin><mode>3_finite): Likewise.
1130 (*<maxmin><mode>3): Likewise.
1131 (<sse>_vm<maxmin><mode>3): Likewise.
1132 (sse3_h<addsub>v4sf3): Likewise.
1133 (sse3_h<addsub>v2df3): Likewise.
1134 (<maxmin>v16qi3): Likewise.
1135 (*<maxmin>v16qi3): Likewise.
1136 (<maxmin>v8hi3): Likewise.
1137 (*<maxmin>v8hi3): Likewise.
1138 (*sse4_1_<maxmin><mode>3): Likewise.
1139 (*sse4_1_<maxmin><mode>3): Likewise.
1140 (add<mode>3): Removed.
1141 (*add<mode>3): Likewise.
1142 (<sse>_vmadd<mode>3): Likewise.
1143 (sub<mode>3): Likewise.
1144 (*sub<mode>3): Likewise.
1145 (<sse>_vmsub<mode>3): Likewise.
1146 (smin<mode>3): Likewise.
1147 (*smin<mode>3_finite): Likewise.
1148 (*smin<mode>3): Likewise.
1149 (<sse>_vmsmin<mode>3): Likewise.
1150 (smax<mode>3): Likewise.
1151 (*smax<mode>3_finite): Likewise.
1152 (*smax<mode>3): Likewise.
1153 (<sse>_vmsmax<mode>3): Likewise.
1154 (sse3_haddv4sf3): Likewise.
1155 (sse3_haddv2df3): Likewise.
1156 (sse3_hsubv4sf3): Likewise.
1157 (sse3_hsubv2df3): Likewise.
1158 (umaxv16qi3): Likewise.
1159 (*umaxv16qi3): Likewise.
1160 (smaxv8hi3): Likewise.
1161 (*smaxv8hi3): Likewise.
1162 (*sse4_1_smax<mode>3): Likewise.
1163 (*sse4_1_umax<mode>3): Likewise.
1164 (uminv16qi3): Likewise.
1165 (*uminv16qi3): Likewise.
1166 (sminv8hi3): Likewise.
1167 (*sminv8hi3): Likewise.
1168 (*sse4_1_smin<mode>3): Likewise.
1169 (*sse4_1_umin<mode>3): Likewise.
1171 2008-04-01 Rafael Espindola <espindola@google.com>
1173 * tree-cfg.c (verify_expr): remove in_phi.
1174 (verify_stmt): Don't call walk_tree with verify_expr. Use
1175 is_gimple_min_invariant instead of is_gimple_val.
1177 2008-04-01 Joseph Myers <joseph@codesourcery.com>
1179 * doc/include/gpl_v3.texi: Update for manpage generation.
1180 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
1182 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
1183 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
1184 gpl_v3.texi instead of gpl.texi.
1187 2008-04-01 Jakub Jelinek <jakub@redhat.com>
1190 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
1192 2008-04-01 Rafael Espindola <espindola@google.com>
1194 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
1195 (extract_code_and_val_from_cond): Use
1196 extract_code_and_val_from_cond_with_ops.
1198 2008-04-01 Jan Hubicka <jh@suse.cz>
1200 * function.c (free_after_compilation): Free epilogue_delay_list.
1201 (prepare_function_start): Assert that previous compilation was freed.
1203 2008-04-01 Jan Hubicka <jh@suse.cz>
1204 Jim Wilson <wilson@tuliptree.org>
1205 Andreas Tobler <andreast@gcc.gnu.org>
1208 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
1209 rtl.emit instead cfun->emit.
1210 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
1211 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
1213 2008-04-01 Ben Elliston <bje@au.ibm.com>
1215 * doc/c-tree.texi (Function Basics): Fix grammatical error.
1217 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
1219 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
1221 (fprofile-use): Add var flag_profile_use
1222 * coverage.c (coverage_begin_output): Do not open a gcno file for
1223 output only if -ftest-coverage is set.
1224 Do not add getpwd() to gcda file path.
1225 (build_gcov_info): Check the new flag
1226 flag_profile_datafile_relative_path.
1227 (coverage_init): Use profile_data_prefix.
1228 Read profile counter only if flag_profile_use is set.
1229 * opts.c (common_handle_option): New option fprofile-use=,
1230 fprofile-dir=, fprofile-generate=.
1231 * toplev.c (profile_data_prefix): New variable definition.
1232 * toplev.h (profile_data_prefix): New declaration.
1233 * doc/invoke.tex (Option Summary, Optimization Options):
1236 2008-03-31 James E. Wilson <wilson@tuliptree.org>
1238 * varasm.c (output_constant_pool_1): In LABEL_REF check,
1239 use tmp consistently.
1242 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
1243 * config/ia64/ia64.c (rtx_needs_barrier): Handle
1244 UNSPEC_FR_RECIP_APPROX_RES.
1245 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
1247 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
1250 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
1252 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
1255 * fold-const.c (fold_indirect_ref_1): Support accessing non first
1256 element of the vector via a pointer.
1258 2008-03-31 Ian Lance Taylor <iant@google.com>
1260 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
1262 2008-03-31 Jan Hubicka <jh@suse.cz>
1264 * builtins.c (expand_builtin_setjmp_receiver): Update call of
1265 get_arg_pointer_save_area.
1266 * expr.c (init_expr): Just clear out rtl.expr.
1267 * function.c (free_after_compilation): Clear out whole RTL structure.
1268 (get_func_frame_size): Merge into ...
1269 (get_frame_size): ... this one.
1270 (assign_stack_local_1): Merge into ...
1271 (assign_stack_local): ... this one.
1272 (expand_function_end): Update call of get_arg_pointer_save_area.
1273 (get_art_pointer_save_area): Remove cfun argument.
1274 * function.h (emit_status): regno_pointer_align does not need length
1275 attribute. Move x_regno_reg_rtx to ...
1276 (regno_reg_rtx): ... new global array.
1277 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
1278 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
1279 apply_args_value, forced_labels, stack_pointer_delta):
1281 (struct varasm_status): Move here from varasm.c
1282 (struct rtl_data): New. Move here some fields from struct function.
1283 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
1284 frame_offset, stack_check_probe_note, arg_pointer_save_area,
1285 used_temp_slots avail_temp_slots, temp_slot_level,
1286 nonlocal_goto_handler_labels): Update accesstors.
1287 (rtl): New global variable.
1288 (struct function): Move some fileds to rtl_data.
1289 (get_arg_pointer_save_area): Update prototype.
1290 * emit-rtl.c (rtl): Declare.
1291 (regno_reg_rtx): Declare.
1292 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
1294 (gen_reg_rtx): Update.
1295 (init_virtual_regs): Do not tate emit_status argument.
1296 (init_emit): Do not allocate emit.
1297 * varasm.c (varasm_statuc): Move to function.h.
1298 (n_deferred_constatns): Update accestor.
1299 (init_varasm_status): Do not allocate varasm_status.
1300 (force_const_mem, get_pool_size, output_constant_pool): Update.
1301 * stmt.c (force_label_rtx): Do not use x_ prefixes.
1302 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
1304 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
1306 PR rtl-optimization/35729
1307 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
1310 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
1313 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
1314 load/store if memory is unaligned.
1315 (*movti_rex64): Likewise.
1317 * config/i386/predicates.md (misaligned_operand): New.
1319 2008-03-31 Andrew Pinski <pinskia@gmail.com>
1322 * tree-ssa-phiopt.c (conditional_replacement): Return early for
1325 2008-03-31 Jan Beulich <jbeulich@novell.com>
1327 * config/ia64/constraints.md: Add 'j' constraint.
1328 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
1329 (movdi_internal): Likewise.
1331 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
1334 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
1336 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1339 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
1340 proper error message for the third argument on blendpd and
1343 * config/i386/sse.md (blendbits): New.
1344 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
1346 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
1348 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
1350 2008-03-30 Richard Guenther <rguenther@suse.de>
1353 * fold-const.c (fold_sign_changed_comparison): Do leave
1354 conversions to base-types alone.
1356 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1358 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
1359 the link register if one altivec register is be saved.
1361 2008-03-30 Ben Elliston <bje@au.ibm.com>
1363 * final.c (final_scan_insn): Remove if (0) code.
1365 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
1367 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
1369 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
1371 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
1372 of V4SFmode to ix86_binary_operator_ok.
1374 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
1376 * config/i386/i386.c (override_options): Initialize
1377 ix86_veclib_handler to ix86_veclibabi_svml when
1378 -mveclibabi=svml is used.
1379 (ix86_veclibabi_svml): New function for SVML ABI style
1380 vectorization support.
1381 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
1383 2008-03-28 Rafael Espindola <espindola@google.com>
1385 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
1386 (tree_binary_nonnegative_warnv_p): Make it public.
1387 (tree_single_nonnegative_warnv_p): Make it public.
1388 (tree_invalid_nonnegative_warnv_p): Make it public.
1389 (tree_unary_nonzero_warnv_p): Make it public.
1390 (tree_binary_nonzero_warnv_p): Make it public
1391 (tree_single_nonzero_warnv_p): Make it public.
1392 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
1393 (extract_range_from_binary_expr): Split the expr argument.
1394 (extract_range_from_unary_expr): Split the expr argument.
1395 (extract_range_from_comparison): Split the expr argument.
1396 (extract_range_from_expr): Use the new aux functions.
1397 (vrp_evaluate_conditional_warnv): Use
1398 vrp_evaluate_conditional_warnv_with_ops.
1399 * tree.h (tree_unary_nonzero_warnv_p): Declare.
1400 (tree_binary_nonzero_warnv_p): Declare.
1401 (tree_single_nonzero_warnv_p): Declare.
1402 (tree_expr_nonzero_warnv_p): Declare.
1403 (tree_unary_nonnegative_warnv_p): Declare.
1404 (tree_binary_nonnegative_warnv_p): Declare.
1405 (tree_single_nonnegative_warnv_p): Declare.
1406 (tree_invalid_nonnegative_warnv_p): Declare.
1408 2008-03-28 Richard Guenther <rguenther@suse.de>
1410 PR tree-optimization/30317
1411 PR tree-optimization/30911
1412 PR tree-optimization/34793
1413 * tree-vrp.c (set_and_canonicalize_value_range): New function.
1414 (struct assert_locus_d): New member EXPR.
1415 (register_new_assert_for): Add EXPR parameter to support
1416 ASSERT_EXPR <name, expr OP limit>.
1417 (register_edge_assert_for_1): Adjust callers.
1418 (find_assert_locations): Likewise.
1419 (process_assert_insertions_for): Build condition from expression.
1420 (extract_range_from_assert): Handle ASSERT_EXPRs
1421 of the form ASSERT_EXPR <name, expr OP limit>.
1422 (register_edge_assert_for_2): New helper registering
1423 asserts for comparisons. Recognize range tests of the form
1424 (unsigned)i - CST1 OP CST2.
1425 (register_edge_assert_for_1): Use it.
1426 (register_edge_assert_for): Likewise.
1427 (needs_overflow_infinity): Integer sub-types
1428 do not need overflow infinities.
1429 (vrp_val_is_max): The extreme values of integer sub-types
1430 are those of the base type.
1431 (vrp_val_is_min): Likewise.
1432 * tree.def (ASSERT_EXPR): Document extra allowed conditional
1435 2008-03-28 Nick Clifton <nickc@redhat.com>
1437 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
1438 Return GENERAL_REGS for stack adjustment reloads.
1440 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1443 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
1444 const_vector when all the vectors are constant.
1446 2008-03-27 Bob Wilson <bob.wilson@acm.org>
1448 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
1450 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
1451 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
1453 (s<code>_sf): Use new scc_sf attribute for opcode names.
1455 2008-03-27 Tom Tromey <tromey@redhat.com>
1457 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
1458 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
1459 config/spu/t-spu-elf, config/i386/t-interix,
1460 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
1461 config/i386/x-darwin, config/i386/x-mingw32,
1462 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
1463 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
1464 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
1465 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
1466 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
1467 config/rs6000/x-darwin, config/rs6000/t-rs6000,
1468 config/score/t-score-elf, config/arm/t-strongarm-pe,
1469 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
1470 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
1471 Revert automatic dependency patch.
1473 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
1476 * config/i386/i386.c (ix86_function_arg_boundary): Align
1477 decimal floating point to its natural boundary.
1479 2008-03-27 Richard Guenther <rguenther@suse.de>
1482 * fold-const.c (fold_comparison): Restrict distinct decl
1483 comparison folding to VAR_DECLs and PARM_DECLs. Do not
1484 solely rely on operand_equal_p.
1486 2008-03-27 Richard Guenther <rguenther@suse.de>
1489 * c-common.c (handle_weak_attribute): Reject combination of
1492 2008-03-27 Richard Guenther <rguenther@suse.de>
1494 PR tree-optimization/32810
1495 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
1496 conversions from DECL_INITIAL.
1497 (fold_const_aggregate_ref): Likewise from constructor elements.
1499 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
1501 * tree-affine.h (aff_combination_expand): Declare.
1502 (get_inner_reference_aff): Likewise.
1503 * tree-affine.c (aff_combination_expand): Split out from
1504 tree_to_aff_combination_expand.
1505 (get_inner_reference_aff): New function.
1506 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
1507 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
1508 (struct lim_aux_data): sm_done field removed.
1509 (mem_ref_loc_p, mem_ref_locs_p): New types.
1510 (struct mem_ref): Added id, stored, accesses_in_loop,
1511 indep_loop, dep_loop, indep_ref, dep_ref fields.
1512 Removed is_stored, locs and next fields.
1513 (memory_accesses): New variable.
1514 (movement_possibility): Do not allow moving statements
1515 that store to memory.
1516 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
1518 (determine_max_movement): For statements with memory references,
1519 find the outermost loop in that the reference is independent.
1520 (move_computations_stmt): Mark the virtual operands for renaming.
1521 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
1522 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
1523 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
1524 add_vop_ref_mapping, create_vop_ref_mapping_loop,
1525 create_vop_ref_mapping, analyze_memory_references,
1526 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
1527 get_all_locs_in_loop, ref_always_accessed_p,
1528 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
1529 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
1530 store_motion_loop, store_motion): New functions.
1531 (struct vop_to_refs_elt): New type.
1532 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
1533 memref_hash, memref_eq, hoist_memory_references): Rewritten.
1534 (schedule_sm): Replaced by...
1535 (execute_sm): ... this.
1536 (determine_lsm_ref, hoist_memory_references,
1537 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
1538 find_more_ref_vops, free_mem_ref, free_mem_refs,
1539 determine_lsm_loop, determine_lsm): Removed.
1540 (tree_ssa_lim_finalize): Free data structures used by store motion.
1541 (tree_ssa_lim): Call analyze_memory_references. Use
1542 store_motion instead of determine_lsm.
1544 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
1546 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
1547 rename tmake_file to m68hc11/t-m68hc11.
1548 (mcore): Set inhibit_libc to true.
1549 * config.host (alpha*-dec-*vms*): Set extra_programs.
1550 (interix3*): Don't use host_xmake_file.
1551 * configure.ac: Let config.gcc override inhibit_libc.
1552 * configure: Regenerate.
1554 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
1555 * config/t-openbsd-thread: Remove commented out lines.
1557 * config/x-interix: Remove.
1559 * config/m68hc11/t-m68hc11-gas: Rename to...
1560 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
1562 * config/mcore/t-mcore: Remove T_CFLAGS.
1563 * config/mcore/t-mcore-pe: Likewise.
1565 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
1567 * configure.ac: Replace custom __GNU_SOURCE test with
1568 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
1569 * aclocal.m4: Regenerate.
1570 * configure: Regenerate.
1571 * config.in: Regenerate.
1573 2008-03-27 Richard Guenther <rguenther@suse.de>
1575 * fold-const.c (target.h): Include.
1576 (fold_comparison): Fold comparison of addresses of decls
1577 that bind locally or of constants. Consolidate address folding code.
1578 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
1579 results from fold_binary_to_constant.
1580 (compare_values_warnv): Likewise.
1582 2008-03-27 Andrew Pinski <pinskia@gmail.com>
1585 * fold-const.c (fold_truthop): Check for integeral types when folding
1586 a == 0 && b == 0 and a != 0 || b != 0 .
1588 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
1590 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
1592 2008-03-26 Andreas Schwab <schwab@suse.de>
1594 * doc/invoke.texi: Fix use of @item vs. @itemx.
1596 2008-03-26 Tom Tromey <tromey@redhat.com>
1598 * Makefile.in (build/gensupport.o, build/print-rtl.o,
1599 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
1600 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
1601 build/gencodes.o, build/genconditions.o, build/genconfig.o,
1602 build/genconstants.o, build/genemit.o, build/genextract.o,
1603 build/genflags.o, build/genmddeps.o, build/genopinit.o,
1604 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
1607 2008-03-26 Richard Guenther <rguenther@suse.de>
1610 2008-03-26 Richard Guenther <rguenther@suse.de>
1612 * fold-const.c (target.h): Include.
1613 (fold_comparison): Fold comparison of addresses of two decls
1614 that bind locally. Consolidate address folding code.
1616 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1618 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
1619 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
1620 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
1621 dconstsqrt2, dconstthird, dconste and/or dconst10.
1622 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
1623 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
1624 dconstsqrt2, dconste): Delete.
1625 (init_emit_once): Likewise. Simplify initializing dconstm1.
1627 * real.c (get_real_const): New.
1628 * real.h (dconst3, dconst10, dconstm2, dconstthird,
1629 dconstsqrt2, dconste): Delete.
1630 (real_value_const, get_real_const): New.
1632 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
1634 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
1636 * config/i386/i386.c (ix86_function_arg_boundary): Check
1637 BIGGEST_ALIGNMENT instead of 128.
1638 (setup_incoming_varargs_64): Likewise.
1640 2008-03-26 Tom Tromey <tromey@redhat.com>
1642 * Makefile.in (DEPFILES): Add missing '/'.
1644 2008-03-26 Richard Guenther <rguenther@suse.de>
1646 * fold-const.c (target.h): Include.
1647 (fold_comparison): Fold comparison of addresses of two decls
1648 that bind locally. Consolidate address folding code.
1650 2008-03-26 Nick Clifton <nickc@redhat.com>
1653 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
1654 not allow INT+INT as a legitimate addressing mode.
1656 2008-03-26 Richard Guenther <rguenther@suse.de>
1658 * tree-flow.h (widen_bitfield): Remove declaration.
1659 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
1660 (widen_bitfield): Remove function.
1661 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
1664 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
1667 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
1670 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
1672 PR rtl-optimization/35232
1673 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1674 (forget_old_reloads_1, forget_marked_reloads): Don't clear
1675 reg_reloaded_call_part_clobbered here.
1676 (reload_regs_reach_end_p): New function.
1677 (reload_reg_rtx_for_input): New variable.
1678 (reload_reg_rtx_for_output): Likewise.
1679 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1680 when reassigning a pseudo register. Load reloadreg from
1681 reload_reg_rtx_for_input, moving the mode and register
1683 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
1684 instead of the original when deciding whether an input reload
1685 would be a no-op or whether an output reload can be deleted.
1686 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1687 when setting up new_spill_reg_store. Load it from
1688 reload_reg_rtx_for_output, moving the mode and register
1690 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
1691 instead of the original when deciding whether an output reload
1692 would be a no-op. Do the same when modifying insn notes.
1693 Use rtx_equal_p instead of == to compare the registers.
1694 (inherit_piecemeal_p): Take a mode and two register numbers
1696 (emit_reload_insns): Clear new_spill_reg_store for every hard
1697 register in the reload register. Remove spill registers
1698 from reg_reloaded_valid before considering whether to record
1699 inheritance information for them. Use reload_reg_rtx_for_output
1700 instead of reg_rtx when recording output reloads. Use
1701 reload_reg_rtx_for_input instead of reg_rtx when recording
1702 input reloads. Set or clear reg_reloaded_call_part_clobbered
1703 at the same time as setting reg_reloaded_valid.
1704 (delete_output_reload): Add a new_reload_reg parameter and use it
1705 instead of rld[j].reg_rtx.
1706 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1709 2008-03-25 Tom Tromey <tromey@redhat.com>
1711 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1712 (build/genattr.o): Likewise.
1713 (build/genattrtab.o): Likewise.
1714 (build/gencodes.o): Likewise.
1715 (build/genconfig.o): Likewise.
1716 (build/genconstants.o): Likewise.
1717 (build/genemit.o): Likewise.
1718 (build/genextract.o): Likewise.
1719 (build/genflags.o): Likewise.
1721 2008-03-25 Bob Wilson <bob.wilson@acm.org>
1723 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1724 instead of size_int for integer types.
1725 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
1726 to match type of MINUS_EXPR.
1728 2008-03-25 Tom Tromey <tromey@redhat.com>
1730 * configure: Rebuilt.
1731 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1734 2008-03-25 Tom Tromey <tromey@redhat.com>
1736 * config/x-solaris (host-solaris.o): Update.
1737 * config/x-linux (host-linux.o): Update.
1738 * config/x-hpux (host-hpux.o): Update.
1739 * config/x-darwin (host-darwin.o): Update.
1740 * config/v850/t-v850e (v850-c.o): Update.
1741 * config/v850/t-v850 (v850-c.o): Update.
1742 * config/t-vxworks (vxworks.o): Update.
1743 * config/t-sol2 (sol2-c.o, sol2.o): Update.
1744 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1745 * config/spu/t-spu-elf (spu-c.o): Update.
1747 * config/sh/t-symbian (sh-c.o): Update.
1748 (symbian.o): Update.
1749 * config/sh/t-sh (sh-c.o): Update.
1750 * config/score/t-score-elf (score7.o, score3.o): Update.
1751 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1752 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1753 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1754 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1756 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1757 * config/m32c/t-m32c (m32c-pragma.o): Update.
1758 * config/ia64/t-ia64 (ia64-c.o): Update.
1759 * config/i386/x-mingw32 (host-mingw32.o): Update.
1760 * config/i386/x-i386 (driver-i386.o): Update.
1761 * config/i386/x-darwin (host-i386-darwin.o): Update.
1762 * config/i386/x-cygwin (host-cygwin.o): Update.
1763 * config/i386/t-nwld (nwld.o): Update.
1764 * config/i386/t-netware (netware.o): Update.
1765 * config/i386/t-interix (winnt.o): Update.
1766 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1767 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1768 msformat-c.o): Update.
1769 * config/bfin/t-bfin-linux (generated_files): Add
1770 linux-sysroot-suffix.h.
1771 * config/arm/t-wince-pe (pe.o): Update.
1772 * config/arm/t-strongarm-pe (pe.o): Update.
1773 * config/arm/t-pe (pe.o): Update.
1774 * config/arm/t-arm (arm-c.o): Update.
1775 * doc/install.texi (Prerequisites): Require make 3.80.
1776 * Makefile.in: Remove .o targets.
1777 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1778 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1779 (simple_generated_h, simple_generated_c): Move earlier.
1780 (generated_files): New variable.
1781 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1782 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1783 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1784 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1785 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1786 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1787 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1788 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1789 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1790 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1791 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1792 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1794 (COMPILE.base, COMPILE): New variables.
1795 (%.o): New pattern rule.
1796 (ALL_HOST_OBJS): New variable.
1797 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1798 (dummy-checksum.o, cc1-checksum.o): Remove.
1799 (DRIVER_SHLIB): New variable.
1800 (DRIVER_DEFINES): Use it.
1801 (gencondmd.c): Move out of build/.
1802 (s-conditions): Update.
1803 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1804 (ALL_BUILD_OBJS): Likewise.
1805 (build/%.o): Use BUILDCOMPILE.
1806 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1807 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1808 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1809 build/gencheck.o, build/gencodes.o, build/genconditions.o,
1810 build/genconfig.o, build/genconstants.o, build/genemit.o,
1811 build/genextract.o, build/genflags.o, build/genmddeps.o,
1812 build/genopinit.o, build/genoutput.o, build/genpeep.o,
1813 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1814 build/gen-protos.o, build/scan.o, build/fix-header.o,
1815 build/scan-decls.o): Simplify.
1816 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1817 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1818 prefix.o, toplev.o): Reduce to variable setting.
1819 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
1820 ($(out_object_file), gcc-options.o): New targets.
1821 ($(ALL_HOST_OBJS)): New target. Include dependency files.
1822 * configure: Rebuilt.
1823 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1824 * doc/sourcebuild.texi (Front End Directory): Document new variable.
1826 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
1828 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1829 complain when we hit an error, return ERROR_MARK_NODE.
1831 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
1833 * config/sh/constraints.md (Pso, Psz): New constraints.
1834 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1835 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1837 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
1839 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1840 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1842 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
1844 * config/sh/sh.md (prefetch): Add condition for SH2A target.
1845 (prefetch_sh2a): New.
1847 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
1848 Naveen.H.S <naveen.hs@kpitcummins.com>
1850 * config/sh/constraints.md (I28): New constraint.
1851 * config/sh/sh.c (broken_move): Add support for movi20s.
1852 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1854 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
1855 Jayant Sonar <Jayant.sonar@kpitcummins.com>
1856 Naveen.H.S <naveen.hs@kpitcummins.com>
1858 * config/sh/sh.c (SH_ATTRIBUTES): Define.
1859 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1860 (print_operand): Handle resbank in %@ operand code.
1861 (sh_encode_section_info): New.
1862 (push_regs): Add conditions for resbank.
1863 (sh_expand_epilogue): Likewise.
1864 (sh_insert_attributes): Likewise.
1865 (sh_attribute_table): Likewise.
1866 (sh_handle_resbank_handler_attribute): New.
1867 (sh2a_handle_function_vector_handler_attribute): New.
1868 (sh2a_is_function_vector_call): New.
1869 (sh2a_get_function_vector_number): New.
1870 (sh2a_function_vector_p): New.
1871 (sh_cfun_resbank_handler_p): New.
1872 * config/sh/sh.md (calli): Emit jsr/n if possible.
1873 (calli_tbr_rel): New.
1874 (calli_pcrel): Emit jsr/n if possible.
1875 (return_i): Emit rts/n if possible.
1876 (call_valuei_tbr_rel): New.
1877 (call_valuei_pcrel): Add condition for SH2A target.
1878 (call_value): Likewise.
1879 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1880 (sh2a_get_function_vector_number): Likewise.
1881 (sh2a_is_function_vector_call): Likewise.
1882 * doc/extend.texi: Document TBR relative addressing of SH2A.
1883 (resbank): Add description for SH2A.
1885 2008-03-24 Richard Guenther <rguenther@suse.de>
1888 * gimplify.c (gimplify_modify_expr): For frontend type-correct
1889 pointer assignments change conversions according to middle-end rules.
1890 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1891 * configure.ac: Include type checking in yes.
1892 * configure: Regenerate.
1894 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1896 * diagnostic.c (diagnostic_count_diagnostic): Delete.
1897 (diagnostic_report_diagnostic): Update. Handle ICEs here.
1899 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
1901 * gthr-vxworks.h (UNUSED): Define.
1903 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
1905 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1907 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
1909 * doc/extend.texi (Function Attributes): Add missing comma in the
1910 example of the "alloc_size" attribute.
1912 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
1915 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
1917 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1920 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
1923 * stor-layout.c (update_alignment_for_field): Set minimum alignment
1924 of the underlying type of a MS bitfield layout to the natural
1925 alignment of the type.
1927 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
1929 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1930 to their natural alignment to avoid store forwarding stalls.
1932 2008-03-22 Richard Guenther <rguenther@suse.de>
1934 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1935 For PHI nodes verify the address is invariant.
1936 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1937 (get_symbol_constant_value): Use is_gimple_min_invariant.
1938 (maybe_fold_stmt_indirect): Likewise.
1940 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
1942 PR rtl-optimization/33927
1943 * Makefile.in (dse.o): Depend on $(TM_P_H).
1944 * expr.h (extract_low_bits): Declare.
1945 * expmed.c (extract_low_bits): New function.
1946 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1947 * dse.c: Include tm_p.h.
1948 (find_shift_sequence): Remove the read_reg argument and return the
1949 read value. Emit the instructions instead of returning them.
1950 Iterate on new_mode rather than calculating it each time.
1951 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
1952 source to NEW_MODE and extract_low_bits to convert the shifted
1954 (replace_read): Allow the load and store to have different mode
1955 classes. Use extract_low_bits when SHIFT == 0. Create the shift
1956 or extraction instructions before trying the replacement. Update
1957 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1959 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
1961 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1962 to their natural alignment to avoid store forwarding stalls.
1964 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
1967 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1968 encouraging but not allowing gprs for input;
1969 change the input constraint to !f#r.
1970 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1972 change the output constraint to !f#r.
1974 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
1977 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1978 corresponding post-reload splitters.
1979 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1980 when x87 FP math is selected.
1981 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1982 New function prototype.
1983 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1984 unreachable function to ease macroization of insn patterns.
1986 2008-03-21 Martin Jambor <mjambor@suse.cz>
1988 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1989 reference dumps if ddr is NULL or dependence is unknown.
1991 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1993 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1994 unsigned extension into account.
1995 (ATOMIC_COMPARE_AND_SWAP): Likewise.
1996 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1997 Do computations on a scratch register.
1999 2008-03-21 Richard Guenther <rguenther@suse.de>
2001 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2002 Use is_gimple_min_invariant instead of TREE_INVARIANT.
2003 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
2004 * tree-ssa-dom.c (record_equality): Likewise.
2005 * tree-inline.c (copy_body_r): Likewise.
2006 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
2009 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2011 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
2012 as 'delete_unused' argument.
2014 2008-03-20 Richard Guenther <rguenther@suse.de>
2016 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2017 special casing of constant qualifiers.
2018 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
2019 care about them in general.
2020 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
2021 regardless of their type.
2022 (fold_stmt_r): Forcefully fold *& if we end up with that.
2024 2008-03-20 Paul Brook <paul@codesourcery.com>
2026 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
2027 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
2029 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
2031 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
2032 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
2034 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
2036 * common.opt (Wmudflap): New option.
2037 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
2038 (mx_register_decls): Likewise.
2039 (mudflap_finish_file): Likewise.
2040 * doc/invoke.texi: Document -Wno-mudflap.
2042 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
2044 * c-format.c (replace_format_name_to_system_name): New.
2046 (convert_format_name_to_system_name): New.
2047 (decode_format_attr): Add use of convert_format_name_to_system_name.
2048 (format_types_orig): Add gnu_ prefix to names.
2049 (check_format_info_main): Special treating of \0 escaped names for
2050 supporting multi-character format specifiers as I32, I64.
2051 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
2052 (gnu_target_overrides_format_attributes): New.
2053 * c-format.h: Add structure target_ovr_attr to hold
2054 system specific formatter names.
2055 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
2056 msformat-c.o file to c_target_objs and cxx_target_objs.
2057 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2058 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
2059 (TARGET_N_FORMAT_TYPES): New.
2060 * config/i386/msformat-c.c: New.
2061 * config/i386/t-cygming: Add build rule for msformat-c.o.
2062 * doc/extend.texi: Add new format names gnu_* and ms_* and
2064 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2066 2008-03-20 Ira Rosen <irar@il.ibm.com>
2068 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
2069 optimizations turned on under -O3.
2070 (ftree-vectorize): Add that the flag is turned on with -O3.
2072 2008-03-20 Ben Elliston <bje@au.ibm.com>
2074 * regmove.c (try_auto_increment): Fix spelling error in comment.
2075 * final.c (final_scan_insn): Likewise.
2077 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
2080 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
2081 allocator preferences for "y" and "r" class registers.
2082 ("*mov<mode>_internal"): Ditto.
2083 ("*movv2sf_internal_rex64"): Ditto.
2084 ("*movv2sf_internal"): Ditto.
2086 2008-03-19 Michael Matz <matz@suse.de>
2089 * calls.c (expand_call): Check overlap of arguments with call
2090 address for sibcalls.
2092 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2095 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2096 of the underlying type of a MS bitfield layout to the natural
2097 alignment of the type.
2099 2008-03-19 Jan Hubicka <jh@suse.cz>
2102 * toplev.c (decode_d_option): Handle all CPP flags.
2103 * tree-vrp.c: Update tree_pass descriptors.
2104 * regrename.c: Update tree_pass descriptors.
2105 * fwprop.c: Update tree_pass descriptors.
2106 * doc/invoke.texi: Remove documentation of dropped -d? flags.
2107 * tree-into-ssa.c: Update tree_pass descriptors.
2108 * tree-dump.c: Update tree_pass descriptors.
2109 * tree-complex.c: Update tree_pass descriptors.
2110 * tree-dump.h: Update tree_pass descriptors.
2111 * see.c: Update tree_pass descriptors.
2112 * cgraphbuild.c: Update tree_pass descriptors.
2113 * tracer.c: Update tree_pass descriptors.
2114 * tree-loop-distribution.c: Update tree_pass descriptors.
2115 * cgraph.c: Update tree_pass descriptors.
2116 * postreload-gcse.c: Update tree_pass descriptors.
2117 * postreload.c: Update tree_pass descriptors.
2118 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
2119 * tree-tailcall.c: Update tree_pass descriptors.
2120 * tree-pass.h (tree_opt_pass): Rename to ...
2121 (opt_pass) ... this one; add "type" field and remove letter field.
2122 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
2123 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
2124 all_lowering_passes): Update declaration.
2125 * ipa-cp.c: Update tree_pass descriptors.
2126 * final.c: Update tree_pass descriptors.
2127 * omp-low.c: Update tree_pass descriptors.
2128 * tree-ssa-dse.c: Update tree_pass descriptors.
2129 * ipa-reference.c: Update tree_pass descriptors.
2130 * tree-ssa-uncprop.c: Update tree_pass descriptors.
2131 * auto-inc-dec.c: Update tree_pass descriptors.
2132 * reorg.c: Update tree_pass descriptors.
2133 * cgraphunit.c: Update tree_pass descriptors.
2134 * tree-ssa-copyrename.c: Update tree_pass descriptors.
2135 * tree-ssa-ccp.c: Update tree_pass descriptors.
2136 * df-core.c: Update tree_pass descriptors.
2137 * mode-switching.c: Update tree_pass descriptors.
2138 * tree-nomudflap.c: Update tree_pass descriptors.
2139 * modulo-sched.c: Update tree_pass descriptors.
2140 * ipa-pure-const.c: Update tree_pass descriptors.
2141 * cse.c: Update tree_pass descriptors.
2142 * web.c: Update tree_pass descriptors.
2143 * tree-stdarg.c: Update tree_pass descriptors.
2144 * tree-ssa-math-opts.c: Update tree_pass descriptors.
2145 * tree-ssa-dom.c: Update tree_pass descriptors.
2146 * tree-nrv.c: Update tree_pass descriptors.
2147 * tree-ssa-alias.c: Update tree_pass descriptors.
2148 * loop-init.c: Update tree_pass descriptors.
2149 * gimple-low.c: Update tree_pass descriptors.
2150 * ipa-inline.c: Update tree_pass descriptors.
2151 * tree-ssa-sink.c: Update tree_pass descriptors.
2152 * global.c: Update tree_pass descriptors.
2153 * ifcvt.c: Update tree_pass descriptors.
2154 * jump.c: Update tree_pass descriptors.
2155 * predict.c: Update tree_pass descriptors.
2156 * tree-ssa-loop.c: Update tree_pass descriptors.
2157 * recog.c: Update tree_pass descriptors.
2158 * dse.c: Update tree_pass descriptors.
2159 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
2160 * tree-eh.c: Update tree_pass descriptors.
2161 * regmove.c: Update tree_pass descriptors.
2163 * function.c: Update tree_pass descriptors.
2164 * tree-vectorizer.c: Update tree_pass descriptors.
2165 * gcse.c: Update tree_pass descriptors.
2166 * ipa-type-escape.c: Update tree_pass descriptors.
2167 * tree-if-conv.c: Update tree_pass descriptors.
2168 * init-regs.c: Update tree_pass descriptors.
2169 * ipa.c: Update tree_pass descriptors.
2170 * tree-ssa-phiopt.c: Update tree_pass descriptors.
2171 * rtl-factoring.c: Update tree_pass descriptors.
2172 * lower-subreg.c: Update tree_pass descriptors.
2173 * bt-load.c: Update tree_pass descriptors.
2174 * tree-dfa.c: Update tree_pass descriptors.
2175 * except.c: Update tree_pass descriptors.
2176 * emit-rtl.c: Update tree_pass descriptors.
2177 * cfgexpand.c: Update tree_pass descriptors.
2178 * tree-cfgcleanup.c: Update tree_pass descriptors.
2179 * cfgcleanup.c: Update tree_pass descriptors.
2180 * tree-ssa-pre.c: Update tree_pass descriptors.
2181 * tree-sra.c: Update tree_pass descriptors.
2182 * tree-mudflap.c: Update tree_pass descriptors.
2183 * tree-ssa-copy.c: Update tree_pass descriptors.
2184 * cfglayout.c: Update tree_pass descriptors.
2185 * tree-ssa-forwprop.c: Update tree_pass descriptors.
2186 * tree-ssa-dce.c: Update tree_pass descriptors.
2187 * tree-ssa.c: Update tree_pass descriptors.
2188 * regclass.c: Update tree_pass descriptors.
2189 * integrate.c: Update tree_pass descriptors.
2190 * tree-optimize.c: Update tree_pass descriptors.
2191 * tree-ssa-phiprop.c: Update tree_pass descriptors.
2192 * tree-object-size.c: Update tree_pass descriptors.
2193 * combine.c: Update tree_pass descriptors.
2194 * tree-outof-ssa.c: Update tree_pass descriptors.
2195 * bb-reorder.c: Update tree_pass descriptors.
2196 * stack-ptr-mod.c: Update tree_pass descriptors.
2197 * var-tracking.c: Update tree_pass descriptors.
2198 * tree-profile.c: Update tree_pass descriptors.
2199 * tree-vect-generic.c: Update tree_pass descriptors.
2200 * reg-stack.c: Update tree_pass descriptors.
2201 * sched-rgn.c: Update tree_pass descriptors.
2202 * tree-ssa-structalias.c: Update tree_pass descriptors.
2203 * tree-cfg.c: Update tree_pass descriptors.
2204 * passes.c (current_pass): Update declaration.
2205 (finish_optimization_passes): Update.
2206 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
2207 (register_one_dump_file, register_dump_files_1, next_pass_1):
2209 (init_optimization_passes): Update handling of new types.
2210 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
2211 * ipa-struct-reorg.c: Update tree_pass descriptors.
2212 * tree-ssa-reassoc.c: Update tree_pass descriptors.
2213 * combine-stack-adj.c: Update tree_pass descriptors.
2214 * cfgrtl.c: Update tree_pass descriptors.
2215 * dce.c: Update tree_pass descriptors.
2216 * tree-ssanames.c: Update tree_pass descriptors.
2218 2008-03-19 Richard Guenther <rguenther@suse.de>
2221 * tree-ssa.c (walk_data): New structure.
2222 (warn_uninitialized_var): If not always_executed warn with "maybe"
2224 (execute_early_warn_uninitialized): Compute post-dominators.
2225 Initialize always_executed before processing each basic block.
2227 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
2230 * config/i386/i386.c (x86_this_parameter): Calculate correct location
2231 of "this" pointer when "regparm = N" or "fastcall" is in effect.
2233 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2235 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
2237 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
2239 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
2241 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
2242 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
2243 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
2244 target after ignore has been set, and move there also the commputation
2245 of subtarget and original_target.
2246 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
2247 (LANG_HOOKS_INITIALIZER): Remove it.
2248 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
2250 2008-03-18 Richard Guenther <rguenther@suse.de>
2252 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
2253 found an expression with constants, note that in the VN for the lhs.
2254 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
2255 fold them to constants if possible. Run cleanup_cfg if done so.
2256 (execute_pre): Return todo.
2258 (execute_fre): Likewise.
2259 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
2261 (get_prop_source_stmt): Look through pointer conversions.
2263 2008-03-18 Jan Hubicka <jh@suse.cz>
2265 * tree-pretty-print.c: Include predict.h.
2266 (dump_generic_node): Dump predictor.
2267 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
2268 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
2269 * gimple-low.c (lower_stmt): Likewise.
2270 * expr.c (expand_expr_real): Likewise.
2271 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
2273 (build_predict_expr, build_predict_expr): New.
2274 * predict.h (predictor_name, build_predict_expr): Update.
2275 * c-typeck.c (c_finish_bc_stmt): Add prediction.
2276 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
2277 * predict.def (PRED_CONTINUE): Update hitrate.
2278 * tree.def (PREDICT_EXPR): Define.
2279 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
2280 do not handle BIND_EXPR.
2281 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
2282 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
2283 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
2286 2008-03-18 Michael Matz <matz@suse.de>
2288 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
2290 2008-03-18 Richard Guenther <rguenther@suse.de>
2292 * tree-gimple.h (is_gimple_invariant_address): Declare.
2293 (is_gimple_constant): Likewise.
2294 * tree-gimple.c (is_gimple_constant): New function.
2295 (is_gimple_invariant_address): Likewise.
2296 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
2297 and is_gimple_invariant_address.
2298 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
2300 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
2301 an addressable base.
2303 2008-03-18 Jakub Jelinek <jakub@redhat.com>
2306 * gimplify.c (gimplify_expr): Gimplify second operand of
2309 2008-03-17 Richard Guenther <rguenther@suse.de>
2311 PR tree-optimization/19637
2312 * fold-const.c (fold_unary): Remove restrictions of removing
2313 intermediate pointer-conversions (P2)(P1)P0.
2314 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
2315 conversion to void pointer.
2316 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
2318 2008-03-16 James E. Wilson <wilson@tuliptree.org>
2321 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
2322 emulated thread local variables.
2324 2008-03-16 Richard Guenther <rguenther@suse.de>
2327 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
2328 expand TREE_INVARIANT operations that are not gimple invariant.
2330 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
2332 * doc/extend.texi (Alignment): Say that the ABI controls
2333 the __alignof__ for non-strict-alignment targets rather
2334 than being a recommendation.
2336 2008-03-15 Paul Brook <paul@codesourcery.com>
2338 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
2340 (arm_output_fn_unwind): Mark functions that can not be unwound.
2342 2008-03-15 Paul Brook <paul@codesourcery.com>
2344 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
2345 extension instructions.
2347 2008-03-15 Richard Guenther <rguenther@suse.de>
2349 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
2350 and fold constant aggregate refs.
2351 (fold_const_aggregate_ref): Handle string constants
2352 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
2353 (evaluate_stmt): Simplify now that ccp_fold folds constant
2356 2008-03-15 Paul Brook <paul@codesourcery.com>
2358 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
2359 (extzv): Use gen_extzv_t2.
2360 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
2362 2008-03-15 Richard Guenther <rguenther@suse.de>
2364 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
2365 (fold_const_aggregate_ref): Likewise.
2366 (get_value): Return NULL if we don't have any values.
2367 (ccp_finalize): Set const_val to NULL after freeing it.
2368 * tree-flow.h (get_symbol_constant_value): Declare.
2369 (fold_const_aggregate_ref): Likewise.
2370 * tree-ssa-sccvn.c (try_to_simplify): Use them.
2372 2008-03-15 Richard Guenther <rguenther@suse.de>
2375 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
2376 to not produce negative array indices if not allowed. Add
2377 parameter to indicate that.
2378 (maybe_fold_offset_to_component_ref): Allow negative array
2379 indices only for the first member of a structure.
2380 (maybe_fold_offset_to_reference): Allow negative array indices.
2381 (maybe_fold_stmt_addition): Likewise.
2383 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
2384 Anatoly Sokolov <aesok@post.ru>
2386 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
2387 (avr_arch): Add ARCH_AVR6.
2388 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
2389 (initial_elimination_offset): Initialize and use 'avr_pc_size'
2390 instead of fixed value 2.
2391 (print_operand_address): Use gs() asm specifier instead of pm().
2392 (avr_assemble_integer): (Ditto.).
2393 (avr_output_addr_vec_elt): (Ditto.).
2394 (print_operand): Handle "!" code.
2395 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
2396 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
2397 (AVR_HAVE_EIJMP_EICALL): Define.
2398 (AVR_3_BYTE_PC): Redefine.
2399 (AVR_2_BYTE_PC): (Ditto.).
2400 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
2401 (LINK_SPEC): Add atmega2560 and atmega2561.
2402 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
2404 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
2405 for 3 byte PC devices.
2406 (call_value_insn): (Ditto.).
2407 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
2408 (indirect_jump): Use only for for 2 byte PC devices.
2409 (*tablejump): (Ditto.).
2410 (*indirect_jump_avr6): Add insn.
2411 (*tablejump_rjmp): Don't use for 3 byte PC devices.
2412 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
2413 instead of ijmp for 3 byte PC devices.
2414 (__tablejump2__): (Ditto.).
2415 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
2416 (MULITLIB_DIRNAMES): (Ditto.).
2417 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
2419 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
2421 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
2422 "sse2_umulsidi3". Use V1DI mode for operand 0.
2423 ("mmx_psadbw"): Use V1DI mode for operand 0.
2424 * config/i386/i386-modes.def (V1SI): New vector mode.
2425 * config/i386/i386.c (struct builtin_description)
2426 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
2427 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
2428 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
2429 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
2430 v1di_ftype_v8qi_v8qi type.
2431 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
2433 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
2434 __builtin_ia32_pmuludq]: Fix the mode of return value.
2436 2008-03-15 Richard Guenther <rguenther@suse.de>
2439 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
2442 2008-03-14 Bob Wilson <bob.wilson@acm.org>
2444 * doc/invoke.texi (Option Summary, Xtensa Options): Document
2445 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
2446 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
2447 unless TARGET_SERIALIZE_VOLATILE is enabled.
2448 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
2449 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
2450 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
2452 2008-03-14 Richard Guenther <rguenther@suse.de>
2454 PR tree-optimization/34172
2455 * tree-flow.h (refs_may_alias_p): Declare.
2456 (get_single_def_stmt): Likewise.
2457 (get_single_def_stmt_from_phi): Likewise.
2458 (get_single_def_stmt_with_phi): Likewise.
2459 * tree-dfa.c (refs_may_alias_p): New function.
2460 (get_single_def_stmt): Likewise.
2461 (get_single_def_stmt_from_phi): Likewise.
2462 (get_single_def_stmt_with_phi): Likewise.
2463 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
2464 (vn_reference_lookup_1): New helper function.
2465 (vn_reference_lookup): Walk the virtual use-def chain to
2466 continue searching for a match if the def does not alias the
2467 reference we are looking for.
2469 2008-03-14 David Edelsohn <edelsohn@gnu.org>
2471 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
2472 archive and Perzl. Update The Written Word listing.
2474 2008-03-14 Richard Guenther <rguenther@suse.de>
2476 PR tree-optimization/34043
2477 PR tree-optimization/33989
2478 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
2480 (bitmap_find_leader): Use extra argument to verify dominance
2481 relationship inside a basic-block.
2482 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
2483 (find_leader_in_sets): Adjust.
2484 (create_component_ref_by_pieces): Take extra argument for
2485 dominance check, handle lookup failures.
2486 (find_or_generate_expression): Likewise.
2487 (create_expression_by_pieces): Likewise.
2488 (insert_into_preds_of_block): Adjust.
2489 (create_value_expr_from): If asked for, verify all operands
2490 are in the blocks AVAIL_OUT set.
2491 (make_values_for_stmt): Check for SSA_NAMEs that are life
2492 over an abnormal edge.
2493 (compute_avail): Remove such check.
2494 (do_SCCVN_insertion): New function.
2495 (eliminate): If we do not find a leader suitable for replacement
2496 insert a replacement expression from SCCVN if available.
2497 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
2498 (struct vn_ssa_aux): Add needs_insertion flag.
2499 * tree-ssa-sccvn.c (may_insert): New global flag.
2500 (copy_reference_ops_from_ref): Value-number union member access
2501 based on its size, not type and member if insertion is allowed.
2502 (visit_reference_op_load): For a weak match from union type
2503 punning lookup a view-converted value and insert a SSA_NAME
2504 for that value if that is not found.
2505 (visit_use): Make dumps shorter. Do not disallow value numbering
2506 SSA_NAMEs that are life over an abnormal edge to constants.
2507 (free_scc_vn): Release inserted SSA_NAMEs.
2508 (run_scc_vn): New flag to specify whether insertion is allowed.
2509 Process SSA_NAMEs in forward order.
2510 * tree-ssa-loop-im.c (for_each_index): Handle invariant
2511 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
2512 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
2513 pointer type to/from integral types that do not change the
2514 precision to regular conversions.
2516 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
2518 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2519 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2520 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
2521 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
2522 input arguments and the mode of return value. Built-in functions
2523 that operate on whole 64-bit MMX register now use V1DI mode.
2525 2008-03-13 Alon Dayan <alond@il.ibm.com>
2526 Olga Golovanevsky <olga@il.ibm.com>
2528 PR tree-optimization/35041
2529 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
2530 to locate the right position in a statement.
2532 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
2536 * config/i386/xmmintrin.h: Change all static inline functions to
2537 extern inline and add __gnu_inline__ attribute.
2538 * config/i386/bmintrin.h: Ditto.
2539 * config/i386/smmintrin.h: Ditto.
2540 * config/i386/tmmintrin.h: Ditto.
2541 * config/i386/mmintrin-common.h: Ditto.
2542 * config/i386/ammintrin.h: Ditto.
2543 * config/i386/emmintrin.h: Ditto.
2544 * config/i386/pmmintrin.h: Ditto.
2545 * config/i386/mmintrin.h: Ditto.
2546 * config/i386/mm3dnow.h: Ditto.
2548 2008-03-13 Jakub Jelinek <jakub@redhat.com>
2551 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
2552 (lower_omp_2): New function.
2553 (lower_omp_1, lower_omp): Rewritten.
2555 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
2558 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
2559 with the phrase "Microsoft Windows compilers".
2560 (Push/Pop Macro Pragmas): New subsection. Document
2561 #pragma push_macro and pragma pop_macro.
2563 2008-03-12 Paul Brook <paul@codesourcery.com>
2565 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
2567 2008-03-12 Paul Brook <paul@codesourcery.com>
2569 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
2570 (thumb2_alusi3_short): Exclude PLUS and MINUS.
2571 (thumb2_addsi_shortim): Rename ...
2572 (thumb2_addsi_short): ... to this. Allow register operands.
2573 (thumb2_subsi_short): New pattern.
2574 (thumb2_one_cmplsi2_short,
2575 thumb2_negsi2_short): New patterns and peepholes.
2577 2008-03-12 Paul Brook <paul@codesourcery.com>
2579 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
2581 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
2583 * config/i386/i386.md (int_cond): New code iterator.
2585 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
2586 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
2587 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
2588 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
2589 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
2590 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
2591 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
2592 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
2594 2008-03-12 Paul Brook <paul@codesourcery.com>
2596 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
2597 instead of {arm,thumb}_compute_save_reg_mask.
2598 (output_return_instruction): Ditto.
2599 (thumb_unexpanded_epilogue): Ditto.
2600 (thumb1_expand_prologue): Ditto.
2601 (thumb1_output_function_prologue): Ditto.
2602 (arm_set_return_address): Ditto.
2603 (thumb_set_return_address): Ditto.
2604 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
2605 regs to achieve stack alignment.
2606 (thumb1_compute_save_reg_mask): Fix compiler warning.
2607 (arm_output_epilogue): Use offsets->saved_regs_mask.
2608 Adjust stack pointer by poping call clobered registers.
2609 (arm_expand_prologue): Use offsets->saved_regs_mask.
2610 Adjust stack pointer by pushing extra registers.
2611 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
2613 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
2616 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
2617 conversion to the operands of a multiplication.
2619 2008-03-12 Richard Guenther <rguenther@suse.de>
2621 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
2622 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
2623 * timevar.def (TV_TREE_PHIPROP): Add.
2624 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
2625 pass description. Use TV_TREE_PHIPROP.
2626 * tree-ssa-forwprop.c: Remove phiprop code.
2628 2008-03-12 Jakub Jelinek <jakub@redhat.com>
2631 * omp-low.c (maybe_lookup_decl): Constify first argument.
2632 (use_pointer_for_field): Change last argument from bool to
2633 omp_context *. Disallow shared copy-in/out in nested
2634 parallel if decl is shared in outer parallel too.
2635 (build_outer_var_ref, scan_sharing_clauses,
2636 lower_rec_input_clauses, lower_copyprivate_clauses,
2637 lower_send_clauses, lower_send_shared_vars): Adjust callers.
2639 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
2640 Ira Rosen <irar@il.ibm.com>
2642 * tree-vectorizer.c (free_stmt_vec_info): New function.
2643 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
2644 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
2645 * tree-vectorizer.h (free_stmt_vec_info): Declare.
2646 * tree-vect-transform.c (vectorizable_conversion): Free
2647 vec_oprnds0 if it was allocated.
2648 (vect_permute_store_chain): Remove unused VECs.
2649 (vectorizable_store): Free VECs that are allocated in the..
2651 (vect_transform_strided_load, vectorizable_load): Likewise.
2652 (vect_remove_stores): Simplify the code.
2653 (vect_transform_loop): Move code to vect_remove_stores().
2654 Call vect_remove_stores() and free_stmt_vec_info().
2656 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2658 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
2659 TARGET_HPUX. Revise comment.
2660 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
2661 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
2662 Use sr4 variant of `be' instruction when not generating PIC code.
2663 (attr_length_call): Adjust for above change.
2665 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2667 * ipa-reference.c (static_execute): Remove module_statics_const and
2668 associated setting code.
2670 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
2673 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2674 predicate for operand 1.
2675 (paritysi2_cmp): Use register_operand predicate for operand 2.
2676 Use earlyclobber modifier for operand 1. Remove support for
2678 (paritydi2_cmp): Use register_operand predicate for operand 3.
2679 Use earlyclobber modifier for operand 1. Remove support for
2682 2008-03-11 Paul Brook <paul@codesourcery.com>
2683 Vladimir Prus <vladimir@codesourcery.com>
2685 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2686 (arm_compute_save_reg0_reg12_mask): Always
2687 check if register 11 must be saved. Always safe hard frame pointer
2688 when frame_pointer_needeed.
2689 (arm_compute_save_reg_mask): Save IP and PC
2690 only with apcs frames.
2691 (arm_output_epilogue): Adjust Thumb2 codepath to
2692 be also invoked and work for ARM non-apcs frames.
2693 (arm_expand_prologue): Don't bother saving IP
2694 for non-apcs frame, since it's not clobbered by
2695 prologue code. Implement non-apcs frame
2698 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
2700 PR rtl-optimization/35281
2701 * expr.c (convert_move): Use a new pseudo for the intermediate
2702 from_mode->word_mode result.
2704 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
2706 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2707 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2708 * toplev.c (compile_file): Don't call it.
2710 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
2713 * expr.c (store_expr): Call emit_block_move if the mode
2714 of "temp" RTX is BLKmode.
2716 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2717 Richard Guenther <rguenther@suse.de>
2719 PR tree-optimization/31358
2720 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2721 the step with a NULL_TREE.
2722 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2723 to sizetype if type is a pointer type.
2724 (add_candidate_1): Don't convert the base and step to
2725 the generic type if the orginal type is a pointer type.
2726 (add_iv_value_candidates): Use sizetype for the step
2727 if type is a pointer type.
2728 (cand_value_at): Likewise.
2729 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2731 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2732 Don't convert the tem affine to the type.
2733 (add_elt_to_tree): Use sizetype for the step if a pointer.
2734 Use POINTER_PLUS_EXPR for pointers.
2735 (aff_combination_to_tree): Use sizetype for the step if a
2738 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
2740 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2741 Remove commutativity hint.
2743 2008-03-10 Jakub Jelinek <jakub@redhat.com>
2747 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2748 errorneous type. Check that v is a VAR_DECL.
2751 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2753 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
2755 PR tree-optimization/35494
2756 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2757 may be overriden at link and run time.
2759 2008-03-10 Richard Guenther <rguenther@suse.de>
2761 PR tree-optimization/34677
2762 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2763 (poolify_tree): Likewise.
2764 (modify_expr_template): Likewise.
2765 (poolify_modify_stmt): Likewise.
2766 (insert_fake_stores): Handle all component-ref style stores
2767 in addition to INDIRECT_REF. Also handle complex types.
2768 Do not poolify the inserted load.
2769 (realify_fake_stores): Do not rebuild the tree but only
2770 make it a SSA_NAME copy.
2771 (init_pre): Remove initialzation of modify_expr_template.
2772 Do not allocate modify_expr_node_pool.
2773 (fini_pre): Do not free modify_expr_node_pool.
2775 2008-03-10 Paul Brook <paul@codesourcery.com>
2777 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2780 2008-03-10 Paul Brook <paul@codesourcery.com>
2781 Mark Shinwell <shinwell@codesourcery.com>
2783 * config/arm/cortex-r4.md: New.
2784 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2786 * config/arm/arm.md: Include cortex-r4.md.
2787 (insn): Add smmls, sdiv and udiv values.
2788 (generic_sched): Don't use generic scheduling for Cortex-R4.
2789 (arm_issue_rate): New function.
2790 (TARGET_SCHED_ISSUE_RATE): Define.
2792 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
2794 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2796 2008-03-10 Richard Guenther <rguenther@suse.de>
2798 * tree-ssa-pre.c (get_sccvn_value): Simplify.
2799 (compute_avail): Do not add stmt uses to AVAIL_OUT.
2801 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
2803 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2804 Set default to true.
2806 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2808 * c.opt (Wsynth): Deprecate.
2809 * doc/invoke.texi (Option Summary, Warning Options): Document
2810 -Wno-format-contains-nul.
2812 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
2815 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2816 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2818 2008-03-09 Ira Rosen <irar@il.ibm.com>
2820 * config/rs6000/rs6000.c (builtin_description): Rename vector
2821 left shift operations.
2822 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2823 (altivec_vsl<VI_char>): Rename to ...
2824 (ashl<mode>3): ... new name.
2825 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2827 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2829 2008-03-08 Richard Guenther <rguenther@suse.de>
2831 * coverage.h (tree_coverage_counter_addr): Declare.
2832 * coverage.c (tree_coverage_counter_addr): New function.
2833 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2835 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2836 (tree_gen_one_value_profiler): Likewise.
2837 (tree_gen_ic_profiler): Likewise.
2838 (tree_gen_average_profiler): Likewise.
2839 (tree_gen_ior_profiler): Likewise.
2841 2008-03-08 Richard Guenther <rguenther@suse.de>
2843 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2844 (vn_binary_op_insert): Likewise.
2845 (vn_unary_op_lookup): Likewise.
2846 (vn_unary_op_insert): Likewise.
2847 (vn_nary_op_lookup): Declare.
2848 (vn_nary_op_insert): Likewise.
2849 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2850 and binary hashes, use a single obstack for unary_op_pool
2852 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2853 a single struct vn_nary_op_s. Store tree code length and
2854 a variable number of operands.
2855 (struct vn_reference_op_struct): Remove unused op2.
2856 (vn_reference_op_eq): Do not compare op2.
2857 (vn_reference_op_compute_hash): Do not compute hash of op2.
2858 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2859 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2860 with vn_nary_op_compute_hash.
2861 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2862 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2864 (vn_unary_op_insert, vn_binary_op_insert): Replace with
2866 (visit_unary_op): Call nary functions.
2867 (visit_binary_op): Likewise.
2868 (process_scc): Adjust for struct vn_tables_s changes.
2869 (allocate_vn_table): Likewise.
2870 (free_vn_table): Likewise.
2871 * tree-vn.c (vn_add): Call nary functions.
2872 (vn_lookup): Likewise.
2874 2008-03-08 Jakub Jelinek <jakub@redhat.com>
2877 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2878 wdst back after sync_compare_and_swapqhi_internal.
2880 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
2883 * config/i386/i386-modes.def (V1DI): New vector mode.
2884 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2885 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2886 (MMXMODE248): Ditto.
2887 (MMXMODE): Add V1DI mode.
2888 (mmxvecsize): Change DI mode to V1DI mode.
2889 ("mov<mode>): Use MMXMODEI8 mode iterator.
2890 ("*mov<mode>_internal_rex64"): Ditto.
2891 ("*mov<mode>_internal"): Ditto.
2892 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
2893 ("mmx_sub<mode>3"): Ditto.
2894 ("mmx_adddi3"): Remove insn pattern.
2895 ("mmx_subdi3"): Ditto.
2896 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2897 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2898 ("mmx_ashl<mode>3"): Ditto.
2899 ("mmx_lshrdi3"): Remove insn pattern.
2900 ("mmx_ashldi3"): Ditto.
2901 * config/i386/i386.c (classify_argument): Handle V1DImode.
2902 (function_arg_advance_32): Ditto.
2903 (function_arg_32): Ditto.
2904 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2905 mmx_addv1di3 insn pattern.
2906 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2907 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2908 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2909 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2910 Remove definitions of built-in functions.
2911 (V1DI_type_node): New node.
2912 (v1di_ftype_v1di_int): Ditto.
2913 (v1di_ftype_v1di_v1di): Ditto.
2914 (v2si_ftype_v2si_si): Ditto.
2915 (v4hi_ftype_v4hi_di): Remove node.
2916 (v2si_ftype_v2si_di): Ditto.
2917 (ix86_init_mmx_sse_builtins): Handle V1DImode.
2918 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2919 Redefine builtins using def_builtin_const with *_ftype_*_int node.
2920 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2921 Add new builtins using def_builtin_const.
2922 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2923 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2924 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2925 * config/i386/mmintrin.h (__v1di): New typedef.
2926 (_mm_add_si64): Cast arguments to __v1di type.
2927 (_mm_sub_si64): Ditto.
2928 (_mm_sll_pi16): Cast __count to __v4hi type.
2929 (_mm_sll_pi32): Cast __count to __v2si type.
2930 (_mm_sll_si64): Cast arguments to __v1di type.
2931 (_mm_srl_pi16): Cast __count to __v4hi type.
2932 (_mm_srl_pi32): Cast __count to __v2si type.
2933 (_mm_srl_si64): Cast arguments to __v1di type.
2934 (_mm_sra_pi16): Cast __count to __v4hi type.
2935 (_mm_sra_pi32): Cast __count to __v2si type.
2936 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2937 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2938 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2939 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2940 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2941 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2942 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2943 (_mm_srai_pi32): Use __builtin_ia32_psradi.
2944 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2945 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2946 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2947 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2949 2008-03-07 Joseph Myers <joseph@codesourcery.com>
2951 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2953 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
2956 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2957 reg+const addressing for Altivec modes. Don't generate reg+reg
2958 addressing for TFmode or TDmode quantities.
2960 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
2962 * c-common.c (vector_types_convertible_p): Call langhook
2963 instead of comptypes.
2965 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2968 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2969 integral and scalar float variables which have a
2972 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
2974 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2975 dwarf_register_span hook when emitting unwind information for
2976 register-to-memory saves.
2977 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2978 (rs6000_frame_related): Remove call to spe_synthesize_frame.
2980 2008-03-06 Jakub Jelinek <jakub@redhat.com>
2982 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2983 for the same VAR_DECL.
2985 2008-03-06 Tom Tromey <tromey@redhat.com>
2988 * doc/standards.texi (Standards): Don't mention treelang.
2989 * doc/invoke.texi (Overall Options): Don't mention treelang.
2990 * doc/install.texi (Prerequisites): Don't mention bison or
2992 (Configuration): Don't mention treelang.
2993 (Building): Likewise.
2994 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2996 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
2998 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2999 word-extractions out of a multi-word object.
3001 2008-03-06 Richard Guenther <rguenther@suse.de>
3003 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
3004 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
3005 result type and precision.
3006 * expr.c (get_inner_reference): Set unsignedp based on the result
3007 type of BIT_FIELD_REF.
3008 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
3009 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
3010 (try_instantiate_multiple_fields): Likewise. Use the correct type
3012 (sra_build_assignment): Likewise.
3013 (sra_build_elt_assignment): Likewise.
3014 (sra_explode_bitfield_assignment): Likewise.
3015 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
3016 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
3017 set BIT_FIELD_REF_UNSIGNED.
3018 (vectorizable_load): Likewise.
3020 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
3022 * cse.c (cse_extended_basic_block): Invalidate artificial defs
3025 2008-03-06 Richard Guenther <rguenther@suse.de>
3027 * alias.c (struct alias_set_entry): Move has_zero_child field
3028 to pack with alias_set.
3030 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
3032 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3035 2008-03-05 Ian Lance Taylor <iant@google.com>
3037 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
3039 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
3041 * fwprop.c (update_df): Support width and offset parameters of
3043 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
3044 global_conflicts): Change DF_REF_EXTRACT to either
3045 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3046 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3047 * df-scan.c (df_ref_record, df_defs_record,
3048 df_ref_create_structure, df_def_record_1, df_uses_record,
3049 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
3050 df_bb_refs_collect, df_entry_block_defs_collect,
3051 df_exit_block_uses_collect): Support new width and offset fields.
3052 (ref_extract_pool): New storage pool.
3053 (df_free_ref): New function.
3054 (df_reg_chain_unlink, df_free_collection_rec,
3055 df_sort_and_compress_refs): Call df_free_ref.
3056 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
3058 (df_ref_create_structure): Allocate df_ref_extract if offset and
3059 width fields are used.
3060 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
3061 (df_uses_record): Get offset and width from ZERO_EXTRACT
3063 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
3064 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3065 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3066 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
3067 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3068 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3069 (df_ref_extract): New structure.
3070 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
3071 (df_ref_create): Add width and offset parameters.
3073 2008-03-05 Richard Guenther <rguenther@suse.de>
3075 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3076 Use ranges_overlap_p.
3077 (offset_overlaps_with_access): Rename
3078 to ranges_overlap_p and move ...
3079 * tree-flow-inline.h (ranges_overlap_p): ... here.
3081 * tree.h (get_inner_reference, handled_component_p): Update
3084 * tree.h (record_component_aliases, get_alias_set,
3085 alias_sets_conflict_p, alias_sets_must_conflict_p,
3086 objects_must_conflict_p): Move declarations ...
3087 * alias.h (record_component_aliases, get_alias_set,
3088 alias_sets_conflict_p, alias_sets_must_conflict_p,
3089 objects_must_conflict_p): ... here.
3090 Include coretypes.h.
3091 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
3093 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
3095 * cfg.c: Include tree-flow.h.
3096 (remove_edge_raw): Call redirect_edge_var_map_clear.
3097 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
3098 * tree-flow-inline.h (redirect_edge_var_map_def): New.
3099 (redirect_edge_var_map_result): New.
3100 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
3101 PENDING_STMT use with redirect_edge_var_map_*.
3102 * tree-ssa.c (edge_var_maps): New definition.
3103 (redirect_edge_var_map_add): New.
3104 (redirect_edge_var_map_clear): New.
3105 (redirect_edge_var_map_dup): New.
3106 (redirect_edge_var_map_vector): New.
3107 (redirect_edge_var_map_destroy): New.
3108 (ssa_redirect_edge): Replace PENDING_STMT use with
3109 redirect_edge_var_map_*.
3110 (flush_pending_stmts): Same.
3111 (delete_tree_ssa): Destroy edge var map.
3112 * tree-flow.h (struct _edge_var_map): New.
3113 Define edge_var_map vector type.
3114 Declare redirect_edge_var_map_* prototypes.
3115 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
3116 * tree-cfg.c (reinstall_phi_args): Replace
3117 PENDING_STMT use with redirect_edge_var_map_*.
3119 2008-03-05 Richard Guenther <rguenther@suse.de>
3121 PR tree-optimization/35472
3122 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
3123 whose single use_stmt has a overlapping set of loaded and
3124 stored symbols as that use_stmt might be a noop assignment then.
3126 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3128 * gthr-rtems.h: Implement __gthread_mutex_destroy.
3130 2008-03-05 Richard Guenther <rguenther@suse.de>
3133 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
3134 should be constants.
3135 * tree-cfg.c (verify_expr): Verify it.
3136 * fold-const.c (fold_truthop): Remove code generating
3137 BIT_FIELD_REFs of structure bases.
3138 (fold_binary): Likewise.
3139 (fold_ternary): Position and size of BIT_FIELD_REFs are
3140 always host integers.
3141 (make_bit_field_ref): Remove.
3142 (optimize_bit_field_compare): Remove.
3143 (all_ones_mask_p): Remove.
3145 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
3148 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
3149 (split_block_and_df_analyze): New. Split basic block and rebuild
3151 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
3153 (split_pattern_seq): Likewise.
3154 (erase_matching_seqs): Likewise.
3155 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
3157 2008-03-04 Geoff Keating <geoffk@apple.com>
3159 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
3160 declaration and code.
3161 (tree_invalid_nonnegative_warnv_p): Likewise.
3163 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3165 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
3166 examples. Truncate option-names then causing overfull hbox.
3168 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3171 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
3173 * configure: Rebuilt.
3175 2008-03-04 Rafael Espindola <espindola@google.com>
3177 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
3178 (tree_unary_nonnegative_warnv_p): New.
3179 (tree_binary_nonnegative_warnv_p): New.
3180 (tree_single_nonnegative_warnv_p): New.
3181 (tree_invalid_nonnegative_warnv_p): New.
3182 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
3184 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3187 * opts.c (handle_option): Postpone 'unknown option' errors only for
3190 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
3193 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
3196 2008-03-04 Rafael Espindola <espindola@google.com>
3198 * fold-const.c (tree_unary_nonzero_warnv_p): New.
3199 (tree_binary_nonzero_warnv_p): New.
3200 (tree_single_nonzero_warnv_p): New.
3201 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
3203 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
3206 * fold-const.c (fold_cond_expr_with_comparison): Prevent
3207 transformations for modes that have signed zeros.
3208 * ifcvt.c (noce_try_abs): Ditto.
3210 2008-03-04 Joseph Myers <joseph@codesourcery.com>
3212 * config/i386/i386.c (override_options): Force
3213 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
3215 2008-03-04 Jan Hubicka <jh@suse.cz>
3218 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
3221 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3223 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
3224 label to probe the stack.
3226 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3228 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
3229 (__gthr_win32_mutex_destroy): Declare.
3230 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
3231 __gthr_win32_mutex_destroy.
3232 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
3234 2008-03-03 Jan Hubicka <jh@suse.cz>
3237 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
3238 aggressive on inlining cold calls.
3240 2008-03-03 Richard Guenther <rguenther@suse.de>
3242 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
3243 struct copies into the expression table.
3244 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
3245 (try_to_simplify): Likewise.
3246 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
3247 integral and pointer arguments which do not change the
3248 precision to NOP_EXPRs.
3249 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
3250 VIEW_CONVERT_EXPR case.
3252 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
3254 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
3255 defined in a loop at depth 0 is invariant.
3256 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3257 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
3258 be called at loop depth 0.
3260 2008-03-02 Jakub Jelinek <jakub@redhat.com>
3263 * gcc.c (process_command): Update copyright notice dates.
3264 * gcov.c (print_version): Likewise.
3265 * gcov-dump.c (print_version): Likewise.
3266 * mips-tfile.c (main): Likewise.
3267 * mips-tdump.c (main): Likewise.
3269 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3272 * c-common.c (flag_permissive): Delete.
3273 (constant_expression_warnings): Check flags first.
3274 (constant_expression_error): New.
3275 * c-common.h (flag_permissive): Delete.
3276 (constant_expression_error): Declare.
3277 * flags.h (flag_permissive): Declare. Update description.
3278 * diagnostic.c (pedwarn): Update.
3280 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
3281 (permissive_error_kind): New.
3282 * toplev.c (flag_permissive): Define. Update description.
3283 * toplev.h (permissive_error_kind): Declare.
3284 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
3285 (pedwarn_c90): Use pedantic_warning_kind.
3286 * c-opts.c (c_common_post_options): flag_permissive does not affect
3287 flag_pedantic_errors.
3289 2008-03-02 Joseph Myers <joseph@codesourcery.com>
3291 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
3292 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
3293 __absvsi2, __absvDI2): Use unsigned arithmetic.
3295 2008-03-02 Andi Kleen <ak@suse.de>
3296 Richard Guenther <rguenther@suse.de>
3298 * struct-equiv.c: Remove file.
3299 * cfg_cleanup.c (condjump_equiv_p): Remove.
3300 * Makefile.in (OBJS-common): Remove struct-equiv.o.
3301 (struct-equiv.o): Remove rule.
3302 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
3303 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
3304 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
3306 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3308 * ifcvt.c (noce_process_if_block): Try to handle only the then
3309 block if the else block exists but isn't suitable.
3311 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3314 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
3315 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
3316 regression from previous patch.
3318 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3321 * gthr.h: Add __gthread_mutex_destroy as a function that must be
3323 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
3324 * gthr-single.h (__gthread_mutex_destroy): Likewise.
3325 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
3326 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
3327 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
3328 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
3329 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
3330 (__gthread_mutex_destroy_function): Rename to
3331 __gthread_mutex_destroy.
3332 * gthr-dce.h (__gthread_mutex_destroy): Call
3333 pthread_mutex_destroy.
3334 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
3335 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
3336 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
3338 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3340 * df-scan.c (df_ref_chain_change_bb): Simplify.
3341 (df_insn_change_bb): Add new_bb argument. Simplify. Call
3342 set_block_for_insn if there's any change.
3343 * df.h ((df_insn_change_bb): Fix prototype.
3344 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
3345 df_insn_change_bb, don't call set_block_for_insn.
3346 * emit-rtl.c (reorder_insns): Likewise.
3347 * haifa-sched.c (move_insn): Likewise.
3349 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3351 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
3353 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3355 * tree-flow-inline.h (next_readonly_imm_use): Return
3356 NULL_USE_OPERAND_P after the end.
3358 2008-03-01 Richard Guenther <rguenther@suse.de>
3360 PR tree-optimization/35411
3361 * tree-sra.c (sra_build_assignment): Split conversion to
3362 final type to a separate statement if we are not assigning
3365 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3367 * fold-const.c (fold_convertible_p): Correct the logic to follow
3368 that in fold_convert().
3370 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
3373 * tree-inline.c (build_duplicate_type): When we make a
3374 duplicate type, make it unique in the canonical types system.
3376 2008-02-29 Tom Tromey <tromey@redhat.com>
3378 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
3379 input_file_stack_history, input_file_stack_restored): Remove.
3380 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3381 * input.h (struct file_stack): Remove.
3382 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3383 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
3385 * diagnostic.h (struct diagnostic_context) <last_module>: Change
3387 (diagnostic_last_module_changed): Add 'map' argument.
3388 (diagnostic_set_last_function): Likewise.
3389 * diagnostic.c (undiagnostic_report_current_module): Iterate using
3390 line map, not input_file_stack.
3391 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
3393 2008-02-29 Paul Brook <paul@codesourcery.com>
3395 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
3397 2008-02-29 Paul Brook <paul@codesourcery.com>
3399 * config/arm/ieee754-df.S (muldf3): Use RET macros.
3401 2008-02-29 Richard Guenther <rguenther@suse.de>
3403 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
3405 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
3406 value for comparing for a store match.
3407 (simplify_unary_expression): Do nothing for SSA_NAMEs.
3408 (try_to_simplify): Do not do a full-blown reference lookup.
3410 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3412 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
3413 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3415 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
3417 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
3419 * tree-loop-linear.c (try_interchange_loops): Compare memory access
3420 strides against cache sizes.
3422 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3424 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
3427 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
3429 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
3430 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
3431 is smaller than the original promoted value.
3432 (simplify_subreg): If OP is a SUBREG, try to preserve its
3433 SUBREG_PROMOTED_VAR_P information.
3435 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3437 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
3438 (VN_INFO_GET): Allocate new objects on the obstack.
3439 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
3440 for rpo_numbers_temp, for consistency.
3441 (free_scc_vn): Free the obstack.
3443 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
3445 * doc/invoke.texi: Document -ftree-loop-distribution.
3446 * tree-loop-distribution.c: New.
3447 * tree-pass.h (pass_loop_distribution): New.
3448 * graphds.h (struct graph): Add htab_t indices.
3449 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
3450 * tree-vectorizer.c (rename_variables_in_loop): Extern.
3451 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
3452 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
3453 * tree-data-ref.c (debug_data_dependence_relations): New.
3454 (dump_data_dependence_relation): Also print data references.
3455 (free_data_ref): Extern.
3456 (same_access_functions): Moved...
3457 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
3458 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3459 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
3460 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
3461 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
3462 (stmts_from_loop): Skip LABEL_EXPR.
3463 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
3465 (build_rdg): Initialize rdg->indices htab.
3466 (free_rdg, stores_from_loop, ref_base_address,
3467 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
3468 have_similar_memory_accesses_1, ref_base_address_1,
3469 remove_similar_memory_refs): New.
3470 * tree-data-ref.h: Depend on tree-chrec.h.
3471 (debug_data_dependence_relations, free_data_ref): Declared.
3472 (same_access_functions): ... here.
3473 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
3475 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
3476 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
3477 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
3478 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3479 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
3480 rdg_vertex_for_stmt): Declared.
3481 (struct rdg_edge): Add level.
3483 (free_rdg, stores_from_loop, remove_similar_memory_refs,
3484 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
3486 (rdg_has_similar_memory_accesses): New.
3487 * tree-vect-analyze.c: Remove unused static decls.
3488 * lambda.h (dependence_level): New.
3489 * common.opt (ftree-loop-distribution): New.
3490 * tree-flow.h (mark_virtual_ops_in_bb,
3491 slpeel_tree_duplicate_loop_to_edge_cfg,
3492 rename_variables_in_loop): Declared.
3493 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
3494 (OBJS-common): Add tree-loop-distribution.o.
3495 (tree-loop-distribution.o): New rule.
3496 * tree-cfg.c (mark_virtual_ops_in_bb): New.
3497 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
3498 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
3500 2008-02-28 Joseph Myers <joseph@codesourcery.com>
3503 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
3504 other than structures and unions.
3506 2008-02-28 Richard Guenther <rguenther@suse.de>
3509 2008-02-26 Richard Guenther <rguenther@suse.de>
3511 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3512 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3513 (lookup_decl_from_uid): Declare.
3514 (remove_decl_from_map): Likewise.
3515 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3516 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3517 (decl_for_uid_map): New global hashtable mapping DECL_UID
3519 (init_ttree): Allocate it.
3520 (insert_decl_to_uid_decl_map): New helper function.
3521 (make_node_stat): Insert new decls into the map.
3522 (copy_node_stat): Likewise.
3523 (lookup_decl_from_uid): New function.
3524 (remove_decl_from_map): Likewise.
3525 (print_decl_for_uid_map_statistics): New helper.
3526 (dump_tree_statistics): Call it.
3528 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3529 (referenced_var_iterator): Adjust.
3530 (FOR_EACH_REFERENCED_VAR): Adjust.
3531 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3532 (num_referenced_vars): Adjust.
3533 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3534 (first_referenced_var): Remove.
3535 (end_referenced_vars_p): Likewise.
3536 (next_referenced_var): Likewise.
3537 (referenced_var_iterator_set): New helper function.
3538 * tree-dfa.c (referenced_var_lookup): Adjust.
3539 (referenced_var_check_and_insert): Likewise.
3540 (remove_referenced_var): Likewise.
3541 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3542 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3543 (verify_call_clobbering): Likewise.
3544 (verify_memory_partitions): Likewise.
3545 (init_tree_ssa): Allocate bitmap instead of hashtable for
3547 (delete_tree_ssa): Adjust.
3548 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3549 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3550 (compute_tag_properties): Likewise.
3551 (set_initial_properties): Likewise.
3552 (find_partition_for): Likewise.
3553 (update_reference_counts): Likewise.
3554 (dump_may_aliases_for): Likewise.
3555 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3556 (add_call_clobber_ops): Likewise.
3557 (add_call_read_ops): Likewise.
3558 (get_asm_expr_operands): Likewise.
3559 * tree-into-ssa.c (dump_decl_set): Likewise.
3560 (update_ssa): Likewise.
3561 * tree-sra.c (scan_function): Likewise.
3562 (decide_instantiations): Likewise.
3563 (scalarize_parms): Likewise.
3564 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3565 (dsa_named_for): Likewise.
3566 * tree-ssa-structalias.c (update_alias_info): Likewise.
3567 (merge_smts_into): Likewise.
3569 2008-02-27 David Daney <ddaney@avtrex.com>
3572 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
3573 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
3574 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
3575 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
3576 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
3578 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
3581 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
3582 (BUILT_IN_NEXTTOWARD): Remove.
3583 (BUILT_IN_NEXTTOWARDF): Ditto.
3584 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
3585 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
3587 2008-02-27 Tom Tromey <tromey@redhat.com>
3589 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
3590 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
3592 2008-02-27 Jan Beulich <jbeulich@novell.com>
3594 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
3595 update the respective field on newdecl.
3597 2008-02-27 Revital Eres <eres@il.ibm.com>
3599 PR rtl-optimization/34999
3600 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
3601 crossing edges that ends with a call insn.
3602 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
3603 call insn and clear the EDGE_CROSSING flag of the crossing edge
3604 when fixing fallthru edges.
3606 2008-02-27 Richard Guenther <rguenther@suse.de>
3609 * fold-const.c (fold_unary): Return the correct argument,
3610 converted to the result type.
3612 2008-02-27 Richard Guenther <rguenther@suse.de>
3615 * expr.c (expand_expr_real_1): Assert on rotates that operate
3617 * fold-const.c (fold_binary): Use the types precision, not the
3618 bitsize of the mode if folding rotate expressions. Build rotates
3619 only for full modes.
3621 2008-02-27 Jakub Jelinek <jakub@redhat.com>
3623 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
3625 * c-pragma.c (pragma_ns_name): New typedef.
3626 (registered_pp_pragmas): New variable.
3627 (c_pp_lookup_pragma): New function.
3628 (c_register_pragma_1): If flag_preprocess_only, do nothing
3629 for non-expanded pragmas, for expanded ones push pragma's
3630 namespace and name into registered_pp_pragmas vector.
3631 (c_invoke_pragma_handler): Register OpenMP pragmas even when
3632 flag_preprocess_only, don't register GCC pch_preprocess
3633 pragma if flag_preprocess_only.
3634 * c-opts.c (c_common_init): Call init_pragma even if
3635 flag_preprocess_only.
3636 * c-pragma.c (c_pp_lookup_pragma): New prototype.
3637 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
3638 cpp_register_pragma if flag_preprocess_only.
3640 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3643 * c-parser.c (c_parser_translation_unit): Warn for empty
3644 translation unit, not empty source file.
3646 2008-02-26 Paul Brook <paul@codesourcery.com>
3648 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
3649 operand for Thumb-2.
3650 * config/arm/arm.h (reg_class): Add CORE_REGS.
3651 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
3652 (BASE_REG_CLASS): Use CORE_REGS.
3653 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
3654 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
3655 (REGNO_OK_FOR_INDEX_P): Exclude SP.
3656 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
3657 ARM_REGNO_OK_FOR_INDEX_P.
3658 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
3659 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
3660 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
3661 (ldm/stm peepholes): Ditto.
3662 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
3663 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
3664 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
3665 * config/arm/constraints.md: Enable "k" constraint on ARM.
3667 2008-02-27 Ben Elliston <bje@au.ibm.com>
3669 * config/rs6000/rs6000.c: Annotate cache line size field in all
3670 instances of struct processor_costs.
3672 2008-02-26 David Edelsohn <edelsohn@gnu.org>
3674 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3675 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3676 jump_bypass): New counters.
3677 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3678 * dce.c (gate_ud_dce): Same.
3679 (gate_fast_dce): Same.
3680 * dse.c (gate_dse1): New function.
3681 (gate_dse2): New function.
3682 (gate_dse): Merge results of new gate functions.
3683 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3684 (gate_handle_jump_bypass): Add dbg_cnt.
3685 (gate_handle_gcse): Add dbg_cnt.
3686 * ifcvt.c (gate_handle_if_conversion): Same.
3687 (gate_handle_if_after_combine): Same.
3688 (gate_handle_if_after_reload): Same.
3689 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3691 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
3693 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3695 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3697 2008-02-26 Jason Merrill <jason@redhat.com>
3700 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
3701 alone if it's the naming decl for the type's main variant.
3703 2008-02-26 Tom Tromey <tromey@redhat.com>
3705 * system.h (USE_MAPPED_LOCATION): Poison.
3706 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3707 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3708 (make_goto_expr_edges): Likewise.
3709 (remove_bb): Likewise.
3710 (execute_warn_function_return): Likewise.
3711 * basic-block.h (struct edge_def) <goto_locus>: Change type to
3713 * c-common.c (fname_decl): Remove old location code.
3714 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3716 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3718 (ASM_INPUT_SOURCE_LOCATION): Likewise.
3719 (gen_rtx_ASM_INPUT): Likewise.
3720 (gen_rtx_ASM_INPUT_loc): Likewise.
3721 (get_rtx_asm_OPERANDS): Remove.
3722 * cfglayout.c (insn_locators_alloc): Remove old location code.
3723 (set_curr_insn_source_location): Likewise.
3724 (curr_insn_locator): Likewise.
3725 * print-tree.c (print_node): Remove old location code.
3726 * tree-mudflap.c (mf_varname_tree): Remove old location code.
3727 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3728 * cfgexpand.c (expand_gimple_cond_expr): Don't use
3729 location_from_locus.
3730 (construct_exit_block): Remove old location code.
3731 * emit-rtl.c (force_next_line_note): Remove old location code.
3732 * profile.c (branch_prob): Remove old location code.
3733 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3734 LOC_LINE): Remove old-location variants.
3735 * langhooks.c (lhd_print_error_function): Remove old location
3737 * configure, config.in: Rebuilt.
3738 * configure.ac (--enable-mapped-location): Remove.
3739 * c-decl.c (c_init_decl_processing): Remove old location code.
3740 (finish_function): Likewise.
3741 * recog.c (decode_asm_operands): Remove old location code.
3742 * c-pch.c (c_common_read_pch): Remove old location code.
3743 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3745 * gimple-low.c (lower_function_body): Remove old location code.
3746 * toplev.c (unknown_location): Remove.
3747 (push_srcloc): Remove old-location variant.
3748 (process_options): Remove old location code.
3749 (lang_dependent_init): Likewise.
3750 * input.h (UNKNOWN_LOCATION): Move definition.
3751 (location_t): Undeprecate.
3752 (source_locus): Remove.
3753 (location_from_locus): Remove.
3754 (struct location_s): Remove.
3755 Remove all old-location code.
3756 (input_line, input_filename): Remove.
3757 * final.c (final_scan_insn): Remove old location code.
3758 * diagnostic.c (diagnostic_build_prefix): Remove
3759 USE_MAPPED_LOCATION test.
3760 * tree.h (gimple_stmt) <locus>: Now a location_t.
3761 (tree_exp) <locus>: Likewise.
3762 (DECL_IS_BUILTIN): Remove old-location variant.
3763 (annotate_with_file_line, annotate_with_locus): Likewise.
3764 (expr_locus, set_expr_locus): Update.
3765 * tree.c (build1_stat): Remove old location code.
3766 (last_annotated_node): Remove.
3767 (annotate_with_file_line): Remove old-location variant.
3768 (annotate_with_locus): Likewise.
3769 (expr_location): Remove old location code.
3770 (set_expr_location): Likewise.
3771 (expr_has_location): Likewise.
3772 (expr_locus): Likewise.
3773 (set_expr_locus): Likewise.
3774 (expr_filename): Don't use location_from_locus.
3775 (expr_lineno): Likewise.
3776 * rtl-error.c (location_for_asm): Remove old location code.
3777 * c-lex.c (cb_line_change): Remove old location code.
3778 (fe_file_change): Likewise.
3779 (cb_def_pragma): Likewise.
3780 (c_lex_with_flags): Likewise.
3781 * gengtype.c (do_typedef): Don't special-case location types.
3782 (define_location_structures): Remove.
3783 (main): Don't call define_location_structures.
3784 * tree-pretty-print.c (dump_implicit_edges): Remove old location
3787 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3790 * builtins.def (BUILT_IN_STDARG_START): Remove.
3791 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3792 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3793 * tree-inline.c (inline_forbidden_p_1): Likewise.
3795 2008-02-26 Richard Guenther <rguenther@suse.de>
3797 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3798 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3799 (lookup_decl_from_uid): Declare.
3800 (remove_decl_from_map): Likewise.
3801 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3802 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3803 (decl_for_uid_map): New global hashtable mapping DECL_UID
3805 (init_ttree): Allocate it.
3806 (insert_decl_to_uid_decl_map): New helper function.
3807 (make_node_stat): Insert new decls into the map.
3808 (copy_node_stat): Likewise.
3809 (lookup_decl_from_uid): New function.
3810 (remove_decl_from_map): Likewise.
3811 (print_decl_for_uid_map_statistics): New helper.
3812 (dump_tree_statistics): Call it.
3814 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3815 (referenced_var_iterator): Adjust.
3816 (FOR_EACH_REFERENCED_VAR): Adjust.
3817 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3818 (num_referenced_vars): Adjust.
3819 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3820 (first_referenced_var): Remove.
3821 (end_referenced_vars_p): Likewise.
3822 (next_referenced_var): Likewise.
3823 (referenced_var_iterator_set): New helper function.
3824 * tree-dfa.c (referenced_var_lookup): Adjust.
3825 (referenced_var_check_and_insert): Likewise.
3826 (remove_referenced_var): Likewise.
3827 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3828 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3829 (verify_call_clobbering): Likewise.
3830 (verify_memory_partitions): Likewise.
3831 (init_tree_ssa): Allocate bitmap instead of hashtable for
3833 (delete_tree_ssa): Adjust.
3834 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3835 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3836 (compute_tag_properties): Likewise.
3837 (set_initial_properties): Likewise.
3838 (find_partition_for): Likewise.
3839 (update_reference_counts): Likewise.
3840 (dump_may_aliases_for): Likewise.
3841 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3842 (add_call_clobber_ops): Likewise.
3843 (add_call_read_ops): Likewise.
3844 (get_asm_expr_operands): Likewise.
3845 * tree-into-ssa.c (dump_decl_set): Likewise.
3846 (update_ssa): Likewise.
3847 * tree-sra.c (scan_function): Likewise.
3848 (decide_instantiations): Likewise.
3849 (scalarize_parms): Likewise.
3850 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3851 (dsa_named_for): Likewise.
3852 * tree-ssa-structalias.c (update_alias_info): Likewise.
3853 (merge_smts_into): Likewise.
3855 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3858 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3859 * c-opts.c (c_common_handle_option): Wall enables
3860 Wvolatile-register-var.
3861 * common.opt: Move Wvolatile-register-var to...
3864 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3866 * common.opt (Wlarger-than=): New.
3867 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3869 * opts.c (common_handle_option): Handle -Wlarger-than=.
3870 * optc-gen.awk: Likewise.
3871 * opth-gen.awk: Likewise.
3872 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3873 * tree-optimize.c (tree_rest_of_compilation): Likewise.
3875 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3877 * c-common.c (match_case_to_enum_1): Add appropriate
3878 OPT_W* parameter to warning.
3879 (c_do_switch_warnings): Likewise.
3880 * c-typeck.c (warning_init): Add one more parameter following
3882 (push_init_level): Update call to warning_init.
3883 (pop_init_level): Likewise.
3884 (add_pending_init): Likewise.
3885 (output_init_element: Likewise.
3887 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3890 * toplev.c (toplev_main): If there are warnings or error, print
3891 errors for ignored options.
3892 * opts.c (ignored_options): New static variable.
3893 (postpone_unknown_option_error): New.
3894 (print_ignored_options): New.
3895 (handle_option): Postpone errors for unknown -Wno-* options.
3896 * opts.h (print_ignored_options): Declare.
3898 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
3900 * config/mips/mips.md (loadgp_blockage, blockage): Change type
3903 2008-02-25 Richard Guenther <rguenther@suse.de>
3906 2008-02-25 Richard Guenther <rguenther@suse.de>
3908 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3909 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3910 (lookup_decl_from_uid): Declare.
3911 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3912 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3913 (decl_for_uid_map): New global hashtable mapping DECL_UID
3915 (init_ttree): Allocate it.
3916 (insert_decl_to_uid_decl_map): New helper function.
3917 (make_node_stat): Insert new decls into the map.
3918 (copy_node_stat): Likewise.
3919 (lookup_decl_from_uid): New function.
3920 (print_decl_for_uid_map_statistics): New helper.
3921 (dump_tree_statistics): Call it.
3923 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3924 (referenced_var_iterator): Adjust.
3925 (FOR_EACH_REFERENCED_VAR): Adjust.
3926 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3927 (num_referenced_vars): Adjust.
3928 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3929 (first_referenced_var): Remove.
3930 (end_referenced_vars_p): Likewise.
3931 (next_referenced_var): Likewise.
3932 (referenced_var_iterator_set): New helper function.
3933 * tree-dfa.c (referenced_var_lookup): Adjust.
3934 (referenced_var_check_and_insert): Likewise.
3935 (remove_referenced_var): Likewise.
3936 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3937 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3938 (verify_call_clobbering): Likewise.
3939 (verify_memory_partitions): Likewise.
3940 (init_tree_ssa): Allocate bitmap instead of hashtable for
3942 (delete_tree_ssa): Adjust.
3943 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3944 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3945 (compute_tag_properties): Likewise.
3946 (set_initial_properties): Likewise.
3947 (find_partition_for): Likewise.
3948 (update_reference_counts): Likewise.
3949 (dump_may_aliases_for): Likewise.
3950 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3951 (add_call_clobber_ops): Likewise.
3952 (add_call_read_ops): Likewise.
3953 (get_asm_expr_operands): Likewise.
3954 * tree-into-ssa.c (dump_decl_set): Likewise.
3955 (update_ssa): Likewise.
3956 * tree-sra.c (scan_function): Likewise.
3957 (decide_instantiations): Likewise.
3958 (scalarize_parms): Likewise.
3959 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3960 (dsa_named_for): Likewise.
3961 * tree-ssa-structalias.c (update_alias_info): Likewise.
3962 (merge_smts_into): Likewise.
3964 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
3967 * doc/invoke.texi (-fcx-limited-range): Document new option.
3968 * toplev.c (process_options): Handle -fcx-fortran-rules.
3969 * common.opt: Add documentation for -fcx-fortran-rules.
3971 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
3974 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3975 actual behaviour and C99.
3977 2008-02-26 Ben Elliston <bje@au.ibm.com>
3979 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3980 (ASM_CPU_POWER6_SPEC): Likewise.
3981 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3982 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3983 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3985 2008-02-25 Richard Guenther <rguenther@suse.de>
3987 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3988 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3989 (lookup_decl_from_uid): Declare.
3990 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3991 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3992 (decl_for_uid_map): New global hashtable mapping DECL_UID
3994 (init_ttree): Allocate it.
3995 (insert_decl_to_uid_decl_map): New helper function.
3996 (make_node_stat): Insert new decls into the map.
3997 (copy_node_stat): Likewise.
3998 (lookup_decl_from_uid): New function.
3999 (print_decl_for_uid_map_statistics): New helper.
4000 (dump_tree_statistics): Call it.
4002 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4003 (referenced_var_iterator): Adjust.
4004 (FOR_EACH_REFERENCED_VAR): Adjust.
4005 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4006 (num_referenced_vars): Adjust.
4007 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4008 (first_referenced_var): Remove.
4009 (end_referenced_vars_p): Likewise.
4010 (next_referenced_var): Likewise.
4011 (referenced_var_iterator_set): New helper function.
4012 * tree-dfa.c (referenced_var_lookup): Adjust.
4013 (referenced_var_check_and_insert): Likewise.
4014 (remove_referenced_var): Likewise.
4015 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4016 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4017 (verify_call_clobbering): Likewise.
4018 (verify_memory_partitions): Likewise.
4019 (init_tree_ssa): Allocate bitmap instead of hashtable for
4021 (delete_tree_ssa): Adjust.
4022 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4023 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4024 (compute_tag_properties): Likewise.
4025 (set_initial_properties): Likewise.
4026 (find_partition_for): Likewise.
4027 (update_reference_counts): Likewise.
4028 (dump_may_aliases_for): Likewise.
4029 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4030 (add_call_clobber_ops): Likewise.
4031 (add_call_read_ops): Likewise.
4032 (get_asm_expr_operands): Likewise.
4033 * tree-into-ssa.c (dump_decl_set): Likewise.
4034 (update_ssa): Likewise.
4035 * tree-sra.c (scan_function): Likewise.
4036 (decide_instantiations): Likewise.
4037 (scalarize_parms): Likewise.
4038 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4039 (dsa_named_for): Likewise.
4040 * tree-ssa-structalias.c (update_alias_info): Likewise.
4041 (merge_smts_into): Likewise.
4043 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
4046 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
4047 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
4048 * alias.h (nonoverlapping_memrefs_p): Likewise.
4050 2008-02-25 Jan Beulich <jbeulich@novell.com>
4052 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
4053 * config/i386/netware-libgcc.exp: Add __bswap?i2,
4054 __emultls_get_address, __emultls_register_common,
4055 __floatundi?f, and _Unwind_GetIPInfo.
4056 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
4057 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
4058 (gen_regparm_prefix): Likewise.
4059 (i386_nlm_encode_section_info): Sync with
4060 config/i386/winnt.c:i386_pe_encode_section_info().
4061 (i386_nlm_maybe_mangle_decl_assembler_name): New.
4062 i386_nlm_mangle_decl_assembler_name): New.
4063 (netware_override_options): New.
4064 * config/i386/netware.h (netware_override_options): Declare.
4065 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
4066 (i386_nlm_mangle_decl_assembler_name): Declare.
4067 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
4069 2008-02-25 Ben Elliston <bje@au.ibm.com>
4072 * c-decl.c (grokdeclarator): Remove unused local variables
4073 `typedef_type' and `type_as_written'.
4075 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
4076 unused local variable `has_hot_blocks'.
4077 (fix_crossing_conditional_branches): Remove unused local variable
4080 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
4083 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
4084 using DEF_C99_BUILTIN.
4085 (BUILT_IN_NANF): Ditto.
4086 (BUILT_IN_NANL): Ditto.
4088 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
4089 Revital Eres <eres@il.ibm.com>
4091 * modulo-sched.c (calculate_must_precede_follow): Address TODO
4092 regarding the order of two dependent insns in the same row.
4094 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
4096 * stor-layout.c (layout_decl): Do not bump the alignment of a
4097 bit-field to more than byte alignment if it is packed.
4099 2008-02-24 David Edelsohn <edelsohn@gnu.org>
4101 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
4104 2008-02-24 Diego Novillo <dnovillo@google.com>
4106 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
4109 * tree-vrp.c (vrp_evaluate_conditional): With
4110 -Wtype-limits, emit a warning when comparing against a
4111 constant outside the natural range of OP0's type.
4112 * c.opt (Wtype-limits): Move ...
4113 * common.opt (Wtype-limits): ... here.
4115 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
4117 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
4118 * config/rs6000/e300c2c3.md: New file.
4119 * config/rs6000/rs6000.c (processor_costs): Add new costs for
4121 (rs6000_override_options): Add e300c2 and e300c3 cases to
4122 processor_target_table. Do not allow usage of Altivec or Spe
4123 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
4124 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
4125 * config/rs6000/rs6000.h (processor_type): Add
4126 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
4127 (ASM_CPU_SPEC): Add e300c2 and e300c3.
4128 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
4129 and ppce300c3. Include e300c2c3.md.
4131 2008-02-23 David Edelsohn <edelsohn@gnu.org>
4133 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
4134 instead of TARGET_STRICT_ALIGN.
4136 2008-02-23 Joseph Myers <joseph@codesourcery.com>
4138 * explow.c (memory_address): Assert that the generated address is
4141 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4144 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
4145 * config/darwin-ppc-ldouble-patch.def: New file.
4146 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
4147 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
4148 SUBTARGET_INIT_BUILTINS if defined.
4149 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
4152 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4155 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
4156 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
4158 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4161 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
4162 file" warning condtional on -Winvalid-PCH.
4164 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
4166 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
4168 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
4172 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
4173 prevent reload from using MMX registers.
4174 (*mov<mode>_internal): Ditto.
4175 (*movv2sf_internal_rex64): Ditto.
4176 (*movv2sf_internal): Ditto.
4178 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4180 PR documentation/31569
4181 * doc/install.texi2html: Use makeinfo --no-number-sections.
4183 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4185 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
4186 ensure that we can address an entire entity > 8 bytes. Don't
4187 generate reg+reg addressing for such data.
4189 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4191 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
4192 strings when optimizing for size, unless the target cares about
4195 2008-02-22 Tom Tromey <tromey@redhat.com>
4197 * regclass.c (current_pass): Remove declaration.
4199 2008-02-22 Anatoly Sokolov <aesok@post.ru>
4201 * config/avr/libgcc.S (__RAMPZ__): Define.
4202 (__do_copy_data): Add for devices with 128KB code memory.
4204 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4206 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4208 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
4210 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
4212 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
4215 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4218 * c-typeck.c (build_binary_op): Warn about floating point
4219 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
4221 2008-02-21 Janis Johnson <janis187@us.ibm.com>
4224 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
4225 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
4227 (rs6000_override_options): Set altivec_abi as default, not override,
4228 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
4229 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
4230 is used; use new member spe_abi.
4231 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
4232 spe_abi and altivec_abi.
4234 2008-02-22 Tomas Bily <tbily@suse.cz>
4236 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
4238 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4241 * config.build (build_file_translate): Set to `CMD //c' only if
4243 * Makefile.in (build_file_translate): Improve comment.
4245 2008-02-21 Jan Hubicka <jh@suse.cz>
4247 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
4248 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
4249 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
4251 2008-02-21 Michael Matz <matz@suse.de>
4254 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
4256 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
4258 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
4259 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
4261 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
4262 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
4263 SSE_VEC_FLOAT_MODE_P as insn constraint.
4264 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
4265 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
4266 sse4a_movntdf using MODEF mode iterator.
4267 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
4268 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
4269 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
4270 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
4271 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
4272 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
4273 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
4275 2008-02-21 Richard Guenther <rguenther@suse.de>
4277 * tree.def (PAREN_EXPR): New tree code.
4278 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
4280 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
4281 * expr.c (expand_expr_real_1): Likewise.
4282 * tree-inline.c (estimate_num_insns_1): Likewise.
4283 * tree-complex.c (expand_complex_move): Likewise.
4284 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
4287 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4290 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
4292 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4295 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
4297 * config/sh/sh.c (find_barrier): Don't go past
4298 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
4300 2008-02-20 DJ Delorie <dj@redhat.com>
4302 * config/h8300/h8300.md (insv): Force source operand to be a register.
4304 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
4305 as a jump, not as a plain insn.
4307 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
4309 * doc/invoke.texi (Warning Options): Add new option
4310 -Wframe-larger-than=.
4311 (-Wframe-larger-than): Document.
4313 * flags.h (warn_frame_larger_than, frame_larger_than_size):
4314 Add declarations for new option variables.
4316 * final.c (final_start_function): Check the frame size
4317 before emission and issue a Wframe-larger-than warning.
4319 * opts.c (warn_frame_larger_than, frame_larger_than_size):
4320 Add definitions for new option variables.
4321 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
4323 * common.opt (Wframe-larger-than=): New option.
4325 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4327 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
4328 (<sse>_div<mode>3): Ditto.
4329 (<sse>_vmdiv<mode>3): Ditto.
4330 (<sse>_vmsqrt<mode>2): Ditto.
4331 (*smax<mode>3): Ditto.
4332 (sse5_frcz<mode>2): Ditto.
4333 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
4336 2008-02-20 Richard Guenther <rguenther@suse.de>
4339 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
4340 be happy with INTEGRAL_TYPE_P.
4342 2008-02-20 Richard Guenther <rguenther@suse.de>
4344 * fold-const.c (split_tree): Associate floatig-point expressions
4345 if flag_associative_math is set.
4347 2008-02-20 Richard Guenther <rguenther@suse.de>
4349 * tree.h (fold_real_zero_addition_p): Declare.
4350 * fold-const.c (fold_real_zero_addition_p): Export.
4351 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
4352 floating-point operations with zero and one.
4354 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
4356 * doc/install.texi: Correct references to CFLAGS, replacing them
4357 with BOOT_CFLAGS. Document flags used during bootstrap for
4360 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4362 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
4363 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
4364 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
4366 (smin<mode>3): Ditto from similar patterns.
4367 (smax<mode>3): Ditto.
4368 (*ieee_smin<mode>3): Ditto.
4369 (*ieee_smax<mode>3): Ditto.
4370 * config/i386/sse.md (sse): New mode attribute.
4371 (mov<mode>): Macroize expander from movv4sf and movv2df using
4372 SSEMODEF2P mode iterator.
4373 (<sse>_movnt<mode>): Ditto from similar patterns. Use
4374 SSE_VEC_FLOAT_MODE_P as insn constraint.
4375 (storent<mode>): Ditto.
4376 (storent<mode>): Macroize expander from storentsf and storentdf using
4377 MODEF mode iterator.
4378 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
4379 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
4380 (abs<mode>2): Ditto from similar patterns.
4381 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
4382 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
4383 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
4384 (<sse>_vmsqrt<mode>2): Ditto.
4385 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
4386 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
4387 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
4388 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
4389 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
4390 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
4391 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
4393 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
4394 iterator and SSE_FLOAT_MODE_P as insn constraint.
4395 (<sse>_ucomi): Ditto from similar patterns.
4396 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
4397 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
4398 SSE_VEC_FLOAT_MODE_P as insn constraint.
4399 (vcond<mode>): Ditto from similar patterns.
4400 (and<mode>3, *and<mode>3): Ditto.
4401 (<sse>_nand<mode>3): Ditto.
4402 (ior<mode>3, *ior<mode>3): Ditto.
4403 (xor<mode>3, *xor<mode>3): Ditto.
4404 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
4405 iterator and SSE_FLOAT_MODE_P as insn constraint.
4406 (*nand<mode>3): Ditto from similar patterns.
4407 (*ior<mode>3): Ditto.
4408 (*xor<mode>3): Ditto.
4410 2008-02-20 Ira Rosen <irar@il.ibm.com>
4412 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
4413 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
4414 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
4416 2008-02-19 Jan Hubicka <jh@suse.cz>
4418 * predict.c (tree_bb_level_predictions): Remove variable next
4419 mistakely introduced by previous commit.
4421 2008-02-19 Jan Hubicka <jh@suse.cz>
4423 * predict.c (predict_paths_leading_to): Rewrite.
4424 (predict_paths_for_bb): New.
4425 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
4427 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4430 * Makefile.in (build_file_translate): New.
4431 (gcc-vers.texi): Use it for translating $(abs_srcdir).
4432 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
4433 * configure.ac (build_file_translate): Substitute it.
4434 * configure: Regenerate.
4436 2008-02-19 Jan Hubicka <jh@suse.cz>
4438 PR rtl-optimization/34408
4439 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
4442 2008-02-19 Jan Hubicka <jh@suse.cz>
4445 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
4448 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
4451 * config/i386/i386-modes.def: Revert the last DI alignment
4452 change until Ada people can look into it.
4454 2008-02-19 Nick Clifton <nickc@redhat.com>
4456 * opts.c (print_specific_help): Fix typo in --help text.
4458 2008-02-19 Jakub Jelinek <jakub@redhat.com>
4461 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
4462 32-bit inline asm without asm alternatives for host GCC < 3.0.
4464 2008-02-19 Richard Guenther <rguenther@suse.de>
4466 PR tree-optimization/34989
4467 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
4468 Allow propagation to INDIRECT_REF if we can simplify only.
4470 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4472 * c-common.c (warn_for_collisions_1): Use appropriate option when
4475 2008-02-19 Nick Clifton <nickc@redhat.com>
4478 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
4479 (handle_options): Fix indentation.
4480 (print_filtered_help): If no language-specific options were
4481 displayed tell the user how to list all the options supported by
4482 the language's front-end.
4483 (print_specific_help): Fix indentation and remove duplicate line.
4484 (common_handle_option): Handle the -v option.
4485 For --help enable the display of undocumented options if the -v
4486 switch has been included on the command line.
4487 For --help= check for overlaps in the arguments between the option
4488 classes and the language names and issue a warning when they
4489 cannot be disambiguated.
4490 * c.opt (v): Pass on to the common option handler.
4492 2008-02-19 Revital Eres <eres@il.ibm.com>
4494 * modulo-sched.c (sms_schedule): Change dump message when
4495 create_ddg function fails.
4496 (try_scheduling_node_in_cycle): Rename row to cycle.
4497 (print_partial_schedule): Rename CYCLE to ROW.
4499 2008-02-19 Christian Bruel <christian.bruel@st.com>
4500 Zdenek Dvorak <ook@ucw.cz>
4502 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
4504 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
4507 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
4508 (*x86_movdicc_0_m1_se): Ditto.
4510 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
4512 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
4513 (CMPtype): Define as __gcc_CMPtype.
4514 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
4515 (CMPtype): Define as __gcc_CMPtype.
4517 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
4519 Support valgrind 3.3 for --enable-checking=valgrind.
4520 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
4522 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
4523 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
4524 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
4525 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
4526 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
4527 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
4528 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
4530 * ggc-zone.c: Similar.
4531 * ggc-page.c: Similar.
4533 2008-02-19 Paul Brook <paul@codesourcery.com>
4536 * config/arm/ieee754-df.S: Fix do_it typo.
4537 * config/arm/ieee754-sf.S: Fix do_it typo.
4539 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
4542 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
4543 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
4544 (OPTION_MASK_ISA_SSE_SET): Likewise.
4545 (OPTION_MASK_ISA_SSE2_SET): Likewise.
4546 (OPTION_MASK_ISA_SSE3_SET): Likewise.
4547 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
4548 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
4549 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
4550 (OPTION_MASK_ISA_SSE4_SET): Likewise.
4551 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
4552 (OPTION_MASK_ISA_SSE5_SET): Likewise.
4553 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
4554 (OPTION_MASK_ISA_MMX_UNSET): Updated.
4555 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
4556 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
4557 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
4558 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
4559 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
4560 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
4561 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
4562 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
4563 (OPTION_MASK_ISA_SSE4): Removed.
4564 (ix86_handle_option): Turn on bits in ix86_isa_flags and
4565 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
4566 (override_options): Don't turn on implied SSE/MMX bits in
4569 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
4571 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4574 2008-02-18 Joey Ye <joey.ye@intel.com>
4577 * tree-nested.c (insert_field_into_struct): Set type alignment
4578 to field alignment if the former is less than the latter.
4580 2008-02-18 Jakub Jelinek <jakub@redhat.com>
4582 * BASE-VER: Set to 4.4.0.
4584 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4586 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
4587 * doc/cfg.texi: Likewise.
4588 * doc/extend.texi: Likewise.
4589 * doc/gty.texi: Likewise.
4590 * doc/invoke.texi: Likewise.
4591 * doc/loop.texi: Likewise.
4592 * doc/md.texi: Likewise.
4593 * doc/passes.texi: Likewise.
4594 * doc/rtl.texi: Likewise.
4595 * doc/sourcebuild.texi: Likewise.
4596 * doc/tm.texi: Likewise.
4597 * doc/tree-ssa.texi: Likewise.
4599 2008-02-17 Richard Guenther <rguenther@suse.de>
4602 * tree-complex.c (init_parameter_lattice_values): Handle parameters
4603 without default definition.
4605 2008-02-17 Richard Guenther <rguenther@suse.de>
4607 PR tree-optimization/35231
4608 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
4611 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
4614 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4615 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4616 libgcc_cmp_return mode.
4618 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4621 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
4623 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
4625 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
4628 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4630 * doc/c-tree.texi: Use `@.' where appropriate.
4631 * doc/extend.texi: Likewise.
4632 * doc/install.texi: Likewise.
4633 * doc/invoke.texi: Likewise.
4634 * doc/loop.texi: Likewise.
4635 * doc/makefile.texi: Likewise.
4636 * doc/md.texi: Likewise.
4637 * doc/passes.texi: Likewise.
4638 * doc/standards.texi: Likewise.
4639 * doc/tm.texi: Likewise.
4641 2008-02-15 Jakub Jelinek <jakub@redhat.com>
4644 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
4646 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
4647 rather than in entry_bb.
4649 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4651 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4652 libgcc_cmp_return mode.
4654 2008-02-15 Jakub Jelinek <jakub@redhat.com>
4657 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
4658 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
4660 2008-02-15 Richard Guenther <rguenther@suse.de>
4661 Zdenek Dvorak <ook@ucw.cz>
4663 PR tree-optimization/35164
4664 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
4665 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
4666 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4667 Only propagate addresses which do not have abnormal SSA_NAMEs
4670 2008-02-15 Joseph Myers <joseph@codesourcery.com>
4673 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
4675 2008-02-15 Jan Hubicka <jh@suse.cz>
4678 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
4680 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4683 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
4684 when calculating alignment_pad.
4686 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4688 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
4689 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
4690 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
4691 and STACK_BOUNDARY define.
4693 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
4695 PR preprocessor/35061
4696 * c-pragma.c (handle_pragma_pop_macro): Check that
4697 pushed_macro_table has been allocated.
4699 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
4702 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
4703 (force_gimple_operand): Likewise.
4704 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
4705 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
4706 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
4707 (find_interesting_uses_address): Check addressability and alignment
4708 of the base expression only after substituting bases of IVs into it.
4710 2008-02-14 Michael Matz <matz@suse.de>
4713 * function.c (instantiate_virtual_regs_in_insn): Reload address
4714 before falling back to reloading the whole operand.
4716 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
4718 * config/s390/s390.c (s390_mainpool_start): Emit the pool
4719 before the first section switch note.
4721 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4723 * doc/bugreport.texi: Update copyright years.
4724 * doc/c-tree.texi: Likewise.
4725 * doc/cfg.texi: Likewise.
4726 * doc/cpp.texi: Likewise.
4727 * doc/cppinternals.texi: Likewise.
4728 * doc/fragments.texi: Likewise.
4729 * doc/frontends.texi: Likewise.
4730 * doc/gcc.texi: Likewise.
4731 * doc/gty.texi: Likewise.
4732 * doc/hostconfig.texi: Likewise.
4733 * doc/implement-c.texi: Likewise.
4734 * doc/libgcc.texi: Likewise.
4735 * doc/loop.texi: Likewise.
4736 * doc/makefile.texi: Likewise.
4737 * doc/options.texi: Likewise.
4738 * doc/passes.texi: Likewise.
4739 * doc/rtl.texi: Likewise.
4740 * doc/sourcebuild.texi: Likewise.
4741 * doc/standards.texi: Likewise.
4742 * doc/tree-ssa.texi: Likewise.
4743 * doc/trouble.texi: Likewise.
4745 * doc/extend.texi: Use @: or add comma where appropriate.
4746 * doc/invoke.texi: Likewise.
4747 * doc/tm.texi: Likewise.
4749 2008-02-14 Alan Modra <amodra@bigpond.net.au>
4752 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
4755 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
4757 * doc/md.texi (clz, ctz): Add reference.
4758 * doc/rtl.texi (clz, ctz): Likewise.
4760 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4763 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
4766 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
4768 * config/s390/s390.c (struct constant_pool): New field
4769 emit_pool_after added.
4770 (s390_mainpool_start): Set the emit_pool_after flag according
4771 to the section switch notes.
4772 (s390_mainpool_finish): Consider emit_pool_after when emitting
4773 the literal pool at the end of the function.
4774 (s390_chunkify_start): Force literal pool splits at section
4777 2008-02-13 Michael Matz <matz@suse.de>
4780 * var-tracking.c (clobber_variable_part): Correctly traverse the
4783 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4786 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
4787 Add -fdump-ipa-inline.
4788 * tree-dump.c (dump_files): Remove tree-inlined dump.
4789 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
4791 2008-02-12 Richard Guenther <rguenther@suse.de>
4793 PR tree-optimization/35171
4794 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
4797 2008-02-12 Richard Guenther <rguenther@suse.de>
4800 * fold-const.c (fold_widened_comparison): Use get_unwidened in
4801 value-preserving mode. Disallow final truncation.
4803 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
4806 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
4807 code from here to...
4808 (force_gimple_operand): ...here.
4810 2008-02-12 Jakub Jelinek <jakub@redhat.com>
4813 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
4814 non-compatible pointers.
4815 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
4816 different FIELD_DECLs, try harder by comparing field offsets, sizes
4820 * function.c (match_asm_constraints_1): Don't replace the same input
4823 2008-02-12 Anatoly Sokolov <aesok@post.ru>
4825 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
4826 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
4827 (expand_epilogue): Restore RAMPZ register.
4828 * config/avr/avr.md (RAMPZ_ADDR): New constant.
4830 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
4832 * config/i386/cygwin.asm: (__alloca): Correct calling
4833 convention and alignment.
4834 (__chkstk): Force 8 byte stack alignment.
4836 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
4837 Richard Guenther <rguenther@suse.de>
4839 PR tree-optimization/33992
4840 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
4841 the zero we compare against.
4843 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
4846 * gthr-win32.h (__gthread_mutex_destroy_function): New function
4847 to CloseHandle after unlocking to prevent accumulation of handle
4850 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4853 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
4854 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
4855 and update LABEL_NUSES during and after reload.
4857 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
4860 * combine.c (simplify_if_then_else): Make sure the comparison is
4861 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
4863 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
4866 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
4867 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
4868 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
4869 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
4870 * tree.h (get_type_static_bounds): Likewise.
4872 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4874 * doc/invoke.texi (Option Summary, C++ Dialect Options)
4875 (Objective-C and Objective-C++ Dialect Options, Warning Options):
4876 Make -Wfoo language annotations match what the compiler outputs.
4878 2008-02-08 Sa Liu <saliu@de.ibm.com>
4880 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
4881 intrinsics spu_convts, spu_convtu, spu_convtf.
4882 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
4884 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
4886 * doc/extend.texi (Function Attributes) <noinline>: Mention
4887 asm ("") as method to keep calls.
4889 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4892 * doc/options.texi (Options): Replace references to opts.sh with
4894 * opts-common.c: Likewise.
4895 * optc-gen.awk: Likewise.
4897 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
4899 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
4901 2008-02-07 Richard Henderson <rth@redhat.com>
4904 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
4905 EXPR_LIST for the REG_EQUAL instead of a comparison with a
4908 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
4910 PR tree-optimization/35085
4911 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
4912 for operand entry oe2 in addition to operand entry oe3 in order to
4913 expose more opportunities for vectorizer sum reduction.
4915 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4918 * Makefile.in (LIBS): Remove $(GMPLIBS).
4919 (cc1-dummy, cc1): Add $(GMPLIBS).
4921 2008-02-06 Jan Hubicka <jh@suse.cz>
4924 * i386.md (moddf_integer): Do not produce partial memory stalls for
4925 targets where it hurts.
4927 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
4930 * optabs.c (expand_float): Do not check for decimal modes when
4931 expanding unsigned integer through signed conversion.
4933 2008-02-06 Nick Clifton <nickc@redhat.com>
4935 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
4936 inside the clobber with a match_operand and duplicated operand
4937 number in the constraint.
4938 (ineqbranchsi): Delete redundant comment.
4940 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
4942 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
4943 builtin_define ("__USE_INIT_FINI__").
4944 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
4946 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
4948 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4950 PR documentation/30330
4951 * doc/invoke.texi (C++ Dialect Options)
4952 (Objective-C and Objective-C++ Dialect Options, Warning Options):
4953 For each warning option -Wfoo that allows -Wno-foo, ensure both
4954 -Wfoo and -Wno-foo are listed in the option index. Fix index
4955 entry of -Wswitch-default, index -Wnormalized= including the
4956 `=', and -Wlarger-than-@var{len} including @var{len}.
4958 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
4960 * config/i386/i386.md (floatunssisf2): Use
4961 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
4962 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
4963 Macroize expander using MODEF mode iterator.
4965 2008-02-05 Diego Novillo <dnovillo@google.com>
4967 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
4970 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
4972 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4975 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
4977 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
4980 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
4981 to indicate if a message should be generated.
4982 (init_cumulative_args): Updated.
4983 (function_value_32): Likewise.
4985 2008-02-05 Joseph Myers <joseph@codesourcery.com>
4987 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
4989 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
4992 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
4993 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
4995 2008-02-04 Diego Novillo <dnovillo@google.com>
4997 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
5000 * tree-vrp.c (vrp_evaluate_conditional): With
5001 -Wtype-limits, emit a warning when comparing against a
5002 constant outside the natural range of OP0's type.
5004 2008-02-04 Richard Guenther <rguenther@suse.de>
5007 * expr.c (count_type_elements): Give for unions instead of
5010 2008-02-04 Richard Guenther <rguenther@suse.de>
5013 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
5014 to TYPE_DOMAINs base type instead of using bitsizetype here.
5016 2008-02-03 Jason Merrill <jason@redhat.com>
5018 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
5020 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5023 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
5024 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
5025 (RS/6000 and PowerPC Options): Fix typos and markup.
5026 * doc/passes.texi (Tree-SSA passes): Likewise.
5028 2008-02-02 Michael Matz <matz@suse.de>
5031 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
5032 from record_last_reg_set_info.
5033 (record_last_reg_set_info): Take an RTX argument, iterate over all
5034 constituent hardregs.
5035 (record_last_set_info, record_opr_changes): Change calls to
5036 new signature or to record_last_reg_set_info_regno.
5038 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
5040 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
5042 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
5044 PR rtl-optimization/34773
5045 * reg-notes.def (EQUAL): Mention significance of combination of
5046 REG_EQUAL and REG_RETVAL.
5047 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
5048 insn that has a REG_RETVAL.
5050 2008-02-01 Roger Sayle <roger@eyesopen.com>
5053 * configure.ac (--enable-fixed-point): Disable unless explicitly
5055 * configure: Regenerate.
5057 2008-02-01 Richard Guenther <rguenther@suse.de>
5060 * invoke.texi (-finline-limit): Remove no longer true parts
5061 of the documentation. Note that there is no default value.
5063 2008-02-01 Andrew Pinski <pinskia@gmail.com>
5064 Mark Mitchell <mark@codesourcery.com>
5065 Ben Elliston <bje@au.ibm.com>
5068 * doc/extend.texi (Other Builtins): Document.
5070 2008-01-31 Tom Browder <tom.browder@gmail.com>
5072 * doc/c-tree.texi (Types): Fix grammar.
5073 (Expression trees): Ditto.
5074 * doc/passes.texi (Tree-SSA passes): Ditto.
5076 * doc/configterms.texi (Configure Terms): Fix typo.
5077 * doc/cpp.texi (Common Predefined Macros): Ditto.
5078 * doc/md.texi (Machine Constraints): Ditto.
5080 * doc/makefile.texi (Makefile): Add comma.
5082 2008-01-31 Tom Browder <tom.browder@gmail.com>
5083 Gerald Pfeifer <gerald@pfeifer.com>
5085 * doc/sourcebuild.texi (Front End): Remove references to CVS
5086 and CVSROOT/modules.
5087 (Texinfo Manuals): Replace reference to CVS by one to SVN.
5088 (Back End): Remove reference to CVS.
5090 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5093 * config/mips/mips.c (gen_load_const_gp): New function, taking a
5095 (mips16_gp_pseudo_reg): ...here.
5096 * config/mips/mips.md (load_const_gp): Replace with...
5097 (load_const_gp_<mode>): ...this :P-based insn.
5099 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5101 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
5102 options. Minor fixes.
5103 (-std): Move reference to standards closer to where language
5104 standards are first mentioned.
5106 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5108 PR rtl-optimization/34995
5109 * reload.c (alternative_allows_const_pool_ref): Take an rtx
5110 parameter and return a bool. If the rtx parameter is nonnull,
5111 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
5112 (find_reloads): Update call accordingly. Pass the new operand
5113 if it needed no address reloads, otherwise pass null.
5115 2008-01-30 Richard Henderson <rth@redhat.com>
5118 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
5119 for unbounded arrays.
5121 2008-01-30 Silvius Rus <rus@google.com>
5123 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
5125 2008-01-30 Jan Hubicka <jh@suse.cz>
5128 * i386.c (init_cumulative_args): Use real function declaration when
5131 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
5133 PR rtl-optimization/34998
5134 * global.c (build_insn_chain): Treat non-subreg_lowpart
5135 SUBREGs of pseudos as clobbering all the words covered by the
5136 SUBREG, not just all the bytes.
5137 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
5138 original df_ref rather than an extract parameter.
5139 (global_conflicts): Update call accordingly.
5141 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
5143 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
5144 the overflow check to make it easier to read.
5145 (__fixtfdi): Change the type of the ll member in union
5146 long_double to UDItype_x.
5148 2008-01-30 Jakub Jelinek <jakub@redhat.com>
5151 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
5152 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
5153 * tree-inline.c (fold_marked_statements): Call
5154 cgraph_update_edges_for_call_stmt if folding a call statement.
5155 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
5156 debug_generic_stmt calls, reset it back afterwards.
5159 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
5161 * c-typeck.c (build_external_ref): Don't pedwarn about
5162 static vars in current function's scope.
5164 2008-01-29 Joseph Myers <joseph@codesourcery.com>
5166 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
5168 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
5171 * ipa-struct-reorg.c: Fix spelling.
5172 * params.def: Ditto.
5174 2008-01-29 Richard Guenther <rguenther@suse.de>
5177 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
5179 * tree-inline.c (remap_type): Increment remapping_type_depth
5180 around remapping types.
5181 (copy_body_r): Only add referenced variables if they are referenced
5182 from code, not types.
5184 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
5195 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
5196 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
5198 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
5201 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
5202 pointer for tiny stack.
5204 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5206 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
5208 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5210 * config/vx-common.h: Fix typo in comment.
5212 2008-01-28 Ian Lance Taylor <iant@google.com>
5216 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
5217 coalesce pointers if they have different DECL_NO_TBAA_P values.
5218 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
5219 between variables with different DECL_NO_TBAA_P values.
5221 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
5224 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
5225 are not legitimate small data references on SPE targets.
5227 2008-01-28 David Daney <ddaney@avtrex.com>
5229 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
5231 2008-01-28 David Daney <ddaney@avtrex.com>
5233 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
5235 2008-01-27 Joseph Myers <joseph@codesourcery.com>
5237 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
5238 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
5239 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
5240 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
5241 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
5242 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
5243 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
5244 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
5246 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5248 * basic-block.h (condjump_equiv_p): Fix comment.
5250 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5252 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
5253 print_generic_stmt_indented): Fix comment.
5255 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5257 * configure.ac (__stack_chk_fail): Add detecion for availability
5258 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
5259 * configure: Regenerate.
5261 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
5264 * final.c (output_addr_const): Handle TRUNCATE.
5266 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
5269 * tree-ssa-loop-ivopts.c (comp_cost): New type.
5270 (zero_cost, infinite_cost): New constants.
5271 (struct cost_pair): Change type of cost to comp_cost.
5272 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
5273 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
5275 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
5276 split_address_cost, ptr_difference_cost, difference_cost,
5277 get_computation_cost_at, get_computation_cost,
5278 determine_use_iv_cost_generic, determine_use_iv_cost_address,
5279 determine_use_iv_cost_condition, determine_use_iv_costs,
5280 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
5281 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
5282 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
5283 Change type of cost to comp_cost.
5284 (determine_iv_cost): Increase cost of non-original ivs, instead
5285 of decreasing the cost of original ones.
5286 (get_address_cost): Indicate the complexity of the addressing mode
5288 (try_add_cand_for): Prefer using ivs not specific to some object.
5289 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
5291 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
5292 Janis Johnson <janis187@us.ibm.com>
5295 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
5296 (TARGET_INSTANTIATE_DECLS): Likewise.
5297 * target.h (expand_to_rtl_hook): New target hook.
5298 (instantiate_decls): Likewise.
5299 * function.c (instantiate_decl): Make non-static. Rename to...
5300 (instantiate_decl_rtl): ... this.
5301 (instantiate_expr): Use instantiate_decl_rtl.
5302 (instantiate_decls_1): Likewise.
5303 (instantiate_decls): Likewise.
5304 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
5305 * function.h (instantiate_decl_rtl): Add prototype.
5306 * cfgexpand.c (target.h): New include.
5307 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
5308 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
5309 (TARGET_INSTANTIATE_DECLS): Likewise.
5310 (TARGET_INITIALIZER): New target hooks added.
5311 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
5313 * config/rs6000/rs6000.c (tree-flow.h): New include.
5314 (machine_function): Add sdmode_stack_slot field.
5315 (rs6000_alloc_sdmode_stack_slot): New function.
5316 (rs6000_instantiate_decls): Likewise.
5317 (rs6000_secondary_memory_needed_rtx): Likewise.
5318 (rs6000_check_sdmode): Likewise.
5319 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
5320 (TARGET_INSTANTIATE_DECLS): Likewise.
5321 (rs6000_hard_regno_mode_ok): Allow SDmode.
5322 (num_insns_constant): Likewise. Handle _Decimal32 constants.
5323 (rs6000_emit_move): Handle SDmode.
5324 (function_arg_advance): Likewise.
5325 (function_arg): Likewise.
5326 (rs6000_gimplify_va_arg): Likewise. Add special handling of
5327 SDmode var args for 32-bit compiles.
5328 (rs6000_secondary_reload_class): Handle SDmode.
5329 (rs6000_output_function_epilogue): Likewise.
5330 (rs6000_function_value): Simplify if statement.
5331 (rs6000_libcall_value): Likewise.
5332 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
5333 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
5334 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
5335 (movsd_hardfloat): New define_insn.
5336 (movsd_softfloat): Likewise.
5337 (movsd_store): Likewise.
5338 (movsd_load): Likewise.
5339 (extendsddd2): Likewise.
5340 (extendsdtd2): Likewise.
5341 (truncddsd2): Likewise.
5342 (movdd_hardfloat64): Fixup comment.
5343 (UNSPEC_MOVSD_LOAD): New constant.
5344 (UNSPEC_MOVSD_STORE): Likewise.
5346 2008-01-26 Jakub Jelinek <jakub@redhat.com>
5349 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
5351 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
5352 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
5353 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
5356 2008-01-26 David Edelsohn <edelsohn@gnu.org>
5359 * config.gcc: Separate AIX 5.3 from AIX 6.1.
5360 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5361 __LONGDOUBLE128 too.
5362 * config/rs6000/aix61.h: New file.
5364 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5366 PR rtl-optimization/34959
5367 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
5368 popcount and parity rtxes the same mode as their operand.
5369 Truncate or extend the result to the return value's mode
5372 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5375 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
5376 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
5377 to GOT_VERSION_REGNUM.
5378 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
5379 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
5380 * config/mips/mips.c (mips_emit_call_insn): New function.
5381 (mips_call_tls_get_addr): Call mips_expand_call directly.
5382 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
5384 (mips16_build_call_stub): Likewise. Return the call insn or null.
5385 (mips_expand_call): Update the call to mips16_build_call_stub
5386 accordingly and a remove redundant condition. Assert that MIPS16
5387 stubs do not use lazy binding. Use mips_emit_call_insn and return
5389 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
5391 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
5392 (mips_avoid_hazard): Remove hazard_set handling.
5393 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
5394 (UNSPEC_RESTORE_GP): ...this.
5395 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
5396 (FAKE_CALL_REGNO): Rename to...
5397 (GOT_VERSION_REGNUM): ...this.
5398 (type): Add "ghost" value. Add an associated insn reservation.
5399 (hazard_set): Remove.
5400 (exception_receiver): Rename to...
5401 (restore_gp): ...this and update the unspec identifier accordingly.
5402 (exception_receiver, nonlocal_got_receiver): New expanders.
5403 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
5404 FAKE_CALL_REGNO. Remove hazard_set attribute.
5405 (set_got_version, update_got_version): New patterns.
5407 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
5410 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
5412 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5415 * doc/install.texi2html: Generate gcc-vers.texi.
5417 2008-01-25 DJ Delorie <dj@redhat.com>
5419 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
5421 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5423 * config/c4x: Remove directory.
5424 * config.gcc (crx-*, mt-*): Mark obsolete.
5425 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
5426 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
5427 sh-*-rtemscoff*): Remove cases.
5428 * defaults.h (C4X_FLOAT_FORMAT): Remove.
5429 * real.c (encode_c4x_single, decode_c4x_single,
5430 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
5431 c4x_extended_format): Remove.
5432 * real.h (c4x_single_format, c4x_extended_format): Remove.
5433 * doc/extend.texi (interrupt, naked): Remove mention of attributes
5435 (Pragmas): Remove comment about c4x pragmas.
5436 * doc/install.texi (c4x): Remove target-specific instructions.
5437 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
5438 * doc/md.texi (Machine Constraints): Remove C4x documentation.
5439 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
5440 refer to C4x source files as examples.
5441 (C4X_FLOAT_FORMAT): Remove documentation.
5443 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
5445 * config/bfin/bfin.c (override_options): Reorder tests so that
5446 flag_pic gets enabled for -msep-data.
5448 2008-01-25 Richard Guenther <rguenther@suse.de>
5451 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
5452 to its bitfield precision if required.
5454 2008-01-25 Jakub Jelinek <jakub@redhat.com>
5457 * tree-nested.c (walk_omp_for): New function.
5458 (convert_nonlocal_reference, convert_local_reference): Call
5459 walk_omp_for on OMP_FOR.
5460 (convert_call_expr): Call walk_body on OMP_FOR's
5461 OMP_FOR_PRE_INIT_BODY.
5463 2008-01-25 Richard Guenther <rguenther@suse.de>
5465 PR tree-optimization/34966
5466 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
5467 default defs and PHI_NODEs we have to insert after the
5470 2008-01-24 Nick Clifton <nickc@redhat.com>
5472 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
5473 Provide a default definition.
5474 (LIBGCC2_UNITS_PER_WORD): Likewise.
5476 * config/stormy16/stormy16.c: Include df.h for the prototype
5477 for df_regs_ever_live_p.
5478 (xstormy16_expand_builtin_va_start): Convert the stack offset
5479 into a component_ref and then use POINTER_PLUS_EXPR to add it
5480 to the incoming_virtual_args_rtx.
5481 (xstormy16_gimplify_va_arg_expr): Rename to
5482 xstormy16_gimplify_va_arg_expr.
5483 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
5484 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
5485 xstormy16_gimplify_va_arg_expr.
5486 Fix up some formatting issues.
5488 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
5489 Move to predicates.md.
5490 (xs_hi_general_operand): Likewise.
5491 (xs_hi_nonmemory_operand): Likewise.
5492 * config/stormy16/predicates.md:
5493 (xstormy16_carry_plus_operand): New predicate.
5494 (xs_hi_general_operand): New predicate.
5495 (xs_hi_nonmemory_operand): New predicate.
5496 * config/stormy16/stormy16-protos.h:
5497 (xstormy16_carry_plus_operand): Delete prototype.
5498 (xs_hi_general_operand): Likewise.
5499 (xs_hi_nonmemory_operand): Likewise.
5501 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
5502 modifiers as they are no longer needed and they can trigger
5503 reload spill failures.
5505 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
5506 with a match_operand in order to help reload.
5508 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
5509 constraint with 'e' for the 8th alternative as this version of
5510 the mov.w instruction only accepts the lower 8 registers.
5512 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
5515 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
5516 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
5519 2008-01-25 Jakub Jelinek <jakub@redhat.com>
5522 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
5524 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
5526 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
5528 (remove_structure): Update allocations list before removing structure.
5530 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
5532 * ipa-struct-reorg.c (is_safe_cond_expr,
5533 create_new_stmts_for_cond_expr): Use integer_zerop function,
5534 that recognize not only zero-pointer, but zero-integer too.
5536 2008-01-25 Ben Elliston <bje@au.ibm.com>
5539 * fixproto: Escape "." in sed expression that strips leading "./".
5541 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
5544 * gcc.c (SWITCH_OK): Removed.
5545 (SWITCH_LIVE): Changed to bit.
5546 (SWITCH_FALSE): Likewise.
5547 (SWITCH_IGNORE): Likewise.
5548 (switchstr): Change live_cond to unsigned int.
5549 (process_command): Replace SWITCH_OK with 0.
5550 (do_self_spec): Likewise.
5551 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
5552 (give_switch): Likewise.
5553 (used_arg): Likewise.
5554 (do_spec_1): Set the SWITCH_IGNORE bit.
5555 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
5556 bits. Set the SWITCH_LIVE bit.
5558 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
5560 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
5562 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
5564 PR tree-optimization/34472
5565 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
5566 parameter to a "bool *" and set *DATA to false if there is
5567 an unsafe access. Do not delete the structure here.
5568 (check_cond_exprs): Delete it here instead.
5569 (check_cond_exprs, exclude_cold_structs): Do not increase
5570 I when removing a structure.
5572 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
5575 * config/i386/i386.c (ix86_expand_vector_init): Consider only
5576 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
5578 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
5581 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
5582 a fixed vector for stack.
5584 2008-01-24 Ben Elliston <bje@au.ibm.com>
5587 * doc/gcc.texi (Software development): Add a direntry for g++.
5589 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
5591 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
5592 stale and straggling -fforce-addr comments above.
5594 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
5596 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
5597 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
5599 2008-01-23 Michael Matz <matz@suse.de>
5602 * dwarf2out.c (force_type_die): Use modified_type_die instead of
5605 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
5607 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
5610 2008-01-23 Anatoly Sokolov <aesok@post.ru>
5612 * config/avr/avr.c (avr_current_arch): New variable.
5613 (avr_arch_types): Add 'avr31' and 'avr51' entries.
5614 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
5615 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
5616 (avr_override_options): Init 'avr_current_arch'.
5617 (base_arch_s): Move from here...
5618 * config/avr/avr.h (base_arch_s): ... here. Add new members
5619 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
5620 'mega' to 'have_jmp_call'.
5621 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
5622 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
5624 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
5626 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
5627 MULTILIB_MATCHES): (Ditto.).
5629 2008-01-23 Richard Guenther <rguenther@suse.de>
5632 * cgraphunit.c (cgraph_reset_node): Always mark the node
5633 not reachable if it is not queued already.
5635 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
5637 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
5638 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
5639 (cputype_selected): New static variable.
5640 (bfin_handle_option): Set it if -mcpu is used.
5641 (override_option): Select default set of workarounds if no cpu type
5642 selected on the command line.
5643 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
5645 From Michael Frysinger <michael.frysinger@analog.com>
5646 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
5647 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
5649 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
5650 for bf547, bf523, bf524, and bf526.
5651 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
5653 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5654 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
5655 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
5656 __ADSPBF547__ and __ADSPBF54x__ for bf547.
5657 * doc/invoke.texi (Blackfin Options): Document that
5658 -mcpu now accept bf547, bf523, bf524, and bf526.
5660 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
5662 PR rtl-optimization/34628
5663 * combine.c (try_combine): Stop and undo after the first combination
5664 if an autoincrement side-effect on the first insn has effectively
5667 2008-01-22 David Edelsohn <edelsohn@gnu.org>
5670 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
5671 Offset addresses are not valid for Altivec or paired float modes.
5673 2008-01-22 Jakub Jelinek <jakub@redhat.com>
5676 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
5677 if DECL_INITIAL (decl) is error_mark_node.
5680 * c-common.c (handle_vector_size_attribute): Only allow
5681 integral, scalar float and fixed point types. Handle OFFSET_TYPE
5682 the same way as pointer, array etc. types.
5683 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
5686 * tree.c (build_type_attribute_qual_variant): Call
5687 build_qualified_type if attributes are equal, but quals are not.
5689 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5692 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
5693 * flags.h (warn_strict_aliasing): Remove.
5694 (warn_strict_overflow): Remove.
5695 * opts.c (warn_strict_aliasing): Remove.
5696 (warn_strict_overflow): Remove.
5697 * c-opts.c (c_common_handle_option): -Wall only sets
5698 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
5699 (c_common_post_options): Give default values to -Wstrict-aliasing
5700 and -Wstrict-overflow if they are uninitialized.
5701 * common.opt (Wstrict-aliasing): Specify Var and Init.
5702 (Wstrict-overflow): Likewise.
5704 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5706 PR rtl-optimization/26854
5707 PR rtl-optimization/34400
5708 PR rtl-optimization/34884
5709 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
5711 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
5712 (df_rd_bb_info.expanded_lr_out): Deleted
5713 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
5714 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
5715 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5716 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5717 Removed code to allocate, initialize or free expanded_lr_out.
5718 (df_rd_bb_local_compute_process_def): Restructured to make more
5720 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
5721 sets if the sets are being trimmed.
5723 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
5726 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
5727 (as_vers): Likewise.
5728 * configure: Regenerated.
5730 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5733 * tree-pass.h (pass_build_alias): New pass.
5734 * tree-ssa-alias.c (gate_build_alias): New.
5735 (pass_build_alias): New.
5736 * passes.c (init_optimization_passes): Add pass_build_alias after
5737 pass_create_structure_vars.
5739 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
5741 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
5742 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
5743 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
5744 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
5745 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
5746 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
5747 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
5748 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
5749 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
5750 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
5751 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
5752 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
5753 * config/s390/s390.md (FP_ALL): New mode iterator.
5754 (_d): New mode attribute.
5755 ("*signbit<mode>2>"): Changed mode of first operand.
5756 ("isinf<mode>2"): Changed mode of first operand.
5757 ("*TDC_insn"): Adaptation for DFP modes.
5759 2008-01-22 Ben Elliston <bje@au.ibm.com>
5761 * tree.c (check_qualified_type): Improve function description.
5763 2008-01-21 Jason Merrill <jason@redhat.com>
5766 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
5767 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
5770 2008-01-21 DJ Delorie <dj@redhat.com>
5772 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
5775 2008-01-21 Richard Guenther <rguenther@suse.de>
5778 * tree-cfg.c (verify_expr): Allow all invariant expressions
5779 instead of just constant class ones as reference argument.
5780 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
5781 like any other constant.
5782 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
5784 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
5786 * regmove.c (fixup_match_1): Update call crossed frequencies.
5788 2008-01-21 Richard Guenther <rguenther@suse.de>
5791 * tree-inline.c (setup_one_parameter): Deal with mismatched
5792 types using a VIEW_CONVERT_EXPR.
5794 2008-01-21 Alon Dayan <alond@il.ibm.com>
5795 Olga Golovanevsky <olga@il.ibm.com>
5797 PR tree-optimization/34701
5798 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
5799 when the structure size is not a power of 2.
5801 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
5803 * doc/install.texi: Add doc for --enable-checking=df.
5805 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
5807 PR rtl-optimization/34808
5808 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
5810 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
5812 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
5815 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5817 PR rtl-optimization/26854
5818 PR rtl-optimization/34400
5819 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
5821 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
5822 (df_rd_bb_info.expanded_lr_out): New.
5823 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
5824 * loop_iv.c (iv_analysis_loop_init): Ditto.
5825 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5826 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5827 Added code to allocate, initialize or free expanded_lr_out.
5828 (df_rd_bb_local_compute_process_def): Restructured to make
5829 more understandable.
5830 (df_rd_confluence_n): Add code to do nothing with fake edges and
5831 code to no apply invalidate_by_call sets if the sets are being trimmed.
5832 (df_lr_local_finalize): Renamed to df_lr_finalize.
5833 (df_live_local_finalize): Renamed to df_live_finalize.
5835 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
5838 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
5839 deciding whether to use reciprocal instructions.
5841 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
5843 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
5844 dwarf2out_note_section_used if cold_text_section is NULL.
5846 2008-01-19 Jakub Jelinek <jakub@redhat.com>
5848 PR gcov-profile/34610
5849 * tree-cfg.c (make_edges): Mark both outgoing edges from
5850 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
5851 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
5852 from OMP_FOR and OMP_CONTINUE outgoing edges.
5854 * tree-profile.c (tree_profiling): Return early if
5855 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
5857 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
5858 from cfun to child_cfun.
5859 * function.h (struct function): Add after_tree_profile bit.
5861 2008-01-19 Anatoly Sokolov <aesok@post.ru>
5863 * config/avr/avr.S (_exit): Disable interrupt.
5865 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
5866 Steven Bosscher <stevenb.gcc@gmail.com>
5868 PR rtl-optimization/26854
5869 PR rtl-optimization/34400
5870 * df-problems.c (df_live_scratch): New scratch bitmap.
5871 (df_live_alloc): Allocate df_live_scratch when doing df_live.
5872 (df_live_reset): Clear the proper bitmaps.
5873 (df_live_bb_local_compute): Only process the artificial defs once
5874 since the order is not important.
5875 (df_live_init): Init the df_live sets only with the variables
5876 found live by df_lr.
5877 (df_live_transfer_function): Use the df_lr sets to prune the
5878 df_live sets as they are being computed.
5879 (df_live_free): Free df_live_scratch.
5881 2008-01-18 Ian Lance Taylor <iant@google.com>
5883 * common.opt: Add fmerge-debug-strings.
5884 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
5885 flag_merge_debug_strings rather than flag_merge_constants.
5886 * doc/invoke.texi (Option Summary): Mention
5887 -fmerge-debug-strings.
5888 (Debugging Options): Document -fmerge-debug-strings.
5890 2008-01-18 Ian Lance Taylor <iant@google.com>
5893 * tree.h (DECL_IS_OPERATOR_NEW): Define.
5894 (struct tree_function_decl): Add new field operator_new_flag.
5895 * tree-inline.c (expand_call_inline): When inlining a call to
5896 operator new, force the return value to go into a variable, and
5897 set DECL_NO_TBAA_P on that variable.
5898 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
5900 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
5903 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
5904 DWARF2_DEBUGGING_INFO.
5905 (dwarf2out_note_section_used): Ditto. Add prototype.
5906 (have_multiple_function_sections, text_section_used,
5907 cold_text_section_used, *cold_text_sections): Move declarations
5910 2008-01-17 Bob Wilson <bob.wilson@acm.org>
5912 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
5913 field and add signal_ra.
5914 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
5915 assignments to frame state pc. Move end of stack check after
5916 MD_FALLBACK_FRAME_STATE_FOR.
5917 (uw_update_context_1): Use frame state signal_regs if set, instead
5918 of checking signal_frame flag.
5919 (uw_update_context): Use frame state signal_ra if set.
5920 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
5921 * config/xtensa/linux-unwind.h: New file.
5923 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
5925 * modulo-sched.c (get_sched_window): Fix comment typo.
5927 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
5929 PR tree-optimization/34648
5930 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
5932 2008-01-17 Anatoly Sokolov <aesok@post.ru>
5934 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
5935 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
5937 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
5939 PR rtl-optimization/34400
5940 * df-core.c (df_worklist_dataflow_overeager,
5941 df_worklist_dataflow_doublequeue): New functions.
5942 (df_worklist_dataflow): Two different worklist solvers.
5943 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
5946 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5949 * doc/invoke.texi: Document the dependence on pthread for fopenmp
5950 and ftree-parallelize-loops.
5952 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
5954 PR rtl-optimization/34826
5955 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
5957 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
5959 * global.c (find_reg): Mark the eh regs as used if necessary.
5960 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
5961 * ra.h (struct allocno): no_eh_reg field added. Changed
5962 no_stack_reg type to bitfield.
5964 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
5966 * tree.c (substitute_in_expr): Add missing 'break'.
5968 2008-01-17 Richard Guenther <rguenther@suse.de>
5970 PR tree-optimization/34825
5971 * tree-ssa-math-opts.c (is_division_by): Do not recognize
5972 x / x as division to handle.
5974 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5976 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
5977 "-pthread" is specified.
5978 * pa-hpux11.h (LIB_SPEC): Likewise.
5980 2008-01-16 Janis Johnson <janis187@us.ibm.com>
5981 Peter Bergner <bergner@vnet.ibm.com>
5983 PR rtl-optimization/33796
5984 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
5986 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5988 PR libgfortran/34699
5989 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
5991 * pa-hpux10.h (LINK_SPEC): Likewise.
5992 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
5994 2008-01-16 Richard Guenther <rguenther@suse.de>
5997 * fold-const.c (fold_convert_const_int_from_int): Do not
5998 set overflow if that occured only because of a sign extension
5999 change when converting from/to a sizetype with the same
6000 precision and signedness.
6002 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6005 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
6006 location address to the correct place. Update copyright year.
6008 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6010 * lambda-code.c (lambda_transform_legal_p): Handle the case of
6011 no dependences in the dependence_relations vector.
6013 2008-01-16 Jan Hubicka <jh@suse.cz>
6015 PR rtl-optimization/31396
6016 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
6017 * cfg.c (dump_reg_info): Print it.
6018 * regs.h (struct reg_info_t): add freq_calls_crossed.
6019 (REG_FREQ_CALLS_CROSSED): New macro.
6020 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
6021 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
6022 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
6023 regmove_optimize): Update call crossed frequencies.
6024 * local-alloc.c (struct qty): Add freq_calls_crossed.
6025 (alloc_qty): Copute freq_calls_crossed.
6026 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
6027 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
6028 * ra.h (struct allocno): Add freq_calls_crossed.
6030 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6032 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
6033 libgomp when compiling with ftree-parallelize-loops.
6034 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
6036 2008-01-16 Richard Guenther <rguenther@suse.de>
6038 PR tree-optimization/34769
6039 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
6040 * tree.c (int_cst_value): Instead make this function more
6041 permissive in what it accepts as valid input. Document this
6042 function always sign-extends the value.
6044 2008-01-16 Jakub Jelinek <jakub@redhat.com>
6045 Richard Guenther <rguenther@suse.de>
6048 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
6049 (gimple_fold_indirect_ref_rhs): ... this.
6050 (gimple_fold_indirect_ref): New function with foldings
6051 that preserve lvalueness.
6052 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
6053 * tree-flow.h (gimple_fold_indirect_ref): Declare.
6054 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
6055 to fold an INDIRECT_REF, fall back to the old use of
6056 fold_indirect_ref_1.
6058 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6060 * tree-data-ref.c (subscript_dependence_tester_1): Call
6061 free_conflict_function.
6062 (compute_self_dependence): Same.
6064 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6067 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
6068 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
6070 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
6071 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
6072 for DWARF2_UNWIND_INFO targets.
6074 2008-01-16 Richard Guenther <rguenther@suse.de>
6077 * c-typeck.c (common_pointer_type): Do not merge inconsistent
6078 type qualifiers for function types.
6080 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
6082 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
6083 loop_iterator li from previous commit.
6085 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
6087 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
6089 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6091 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
6092 (parallelize_loops): Don't parallelize irreducible components.
6094 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6097 * c-opts (c_common_post_options): Do not enable CPP
6098 flag_pedantic_errors by default.
6100 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
6102 PR rtl-optimization/31944
6103 * cse.c (remove_pseudo_from_table): New function.
6104 (merge_equiv_classes): Use above function to remove pseudo-registers.
6105 (invalidate): Likewise.
6107 2008-01-13 Richard Guenther <rguenther@suse.de>
6110 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
6111 instead of TYPE_MODE to deal with calls from expand_one_error_var.
6113 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
6115 * gcse.c (cprop_jump): Call validate_unshare_change instead of
6116 validate_change to unshare the source of the PC set.
6118 2008-01-12 Jan Hubicka <jh@suse.cz>
6121 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
6122 references above array bounds. This might trigger bounds checks for
6125 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6127 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
6128 new_replaceable_dependencies.
6130 2008-01-12 Doug Kwan <dougkwan@google.com>
6132 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
6133 instead of OPT_Wreturn_type in warning due to ignored return type
6135 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
6136 options included in -Wextra.
6137 * c.opt: New option -Wignored_qualifiers.
6138 * doc/invoke.texi (Warning Options, -Wextra): Add new option
6139 -Wignore_qualifiers.
6140 (-Wignored-qualifiers): Document.
6141 (-Wreturn-type): Remove description of functionality now handled
6142 by -Wignored-qualifiers.
6144 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
6147 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
6148 NOP_EXPR if it is between integral types with the same precision.
6150 2008-01-12 Jan Hubicka <jh@suse.cz>
6153 * invoke.texi (max-inline-recursive-depth): Fix default value.
6155 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
6157 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
6160 2008-01-11 Bob Wilson <bob.wilson@acm.org>
6162 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
6164 2008-01-11 James E. Wilson <wilson@specifix.com>
6167 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
6169 2008-01-11 Anatoly Sokolov <aesok@post.ru>
6171 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
6172 save/restore frame pointer register and don't use 'call-prologues'
6173 optimization in function with "OS_task" attribute.
6175 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
6178 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
6179 when copying to memory.
6181 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
6183 PR rtl-optimization/30905
6184 * cfgcleanup.c: Include dce.h
6185 (crossjumps_occured): New global variable.
6186 (try_crossjump_bb): Exit loop after finding a fallthru edge.
6187 If something changed, set crossjumps_occured to true.
6188 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
6189 Don't add/remove fake edges to exit here...
6190 (cleanup_cfg): ...but do it here, when crossjumping.
6191 Run a fast DCE when successful crossjumps occured in the latest
6192 iteration of try_optimize_cfg.
6194 2008-01-11 Richard Guenther <rguenther@suse.de>
6196 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
6197 (struct vn_unary_op_s): Likewise.
6198 (vn_reference_insert): Free old reference on hash collision.
6200 2008-01-10 Raksit Ashok <raksit@google.com>
6202 PR rtl-optimization/27971
6203 * combine.c (find_split_point): Split PLUS expressions which are
6204 inside a MEM rtx, and whose first operand is complex.
6206 2008-01-10 DJ Delorie <dj@redhat.com>
6208 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
6209 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
6210 (m32c_hard_regno_ok): Call the underlying function.
6212 2008-01-10 Richard Guenther <rguenther@suse.de>
6215 * tree-cfg.c (tree_merge_blocks): Do not go through the
6216 full-blown folding and stmt updating path if we just deal
6217 with virtual operands.
6218 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
6219 test for abnormal SSA_NAMEs.
6221 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
6224 * reload.c (push_reload): Add assertions. All constants from
6225 reg_equiv_constant should have been used for replacing the respective
6227 (find_reloads_address): Invoke find_reloads_address_part for
6228 constant taken from the reg_equiv_constant array.
6230 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
6232 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
6233 field (valnum) the first in the struct. Replace bools with
6236 2008-01-10 Richard Guenther <rguenther@suse.de>
6238 PR tree-optimization/34651
6239 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
6240 types and ordering for masking and converting.
6242 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
6244 PR tree-optimization/34017
6245 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
6246 also for PHI_NODE expressions.
6248 2008-01-09 Jan Hubicka <jh@suse.cz>
6250 PR tree-optimization/34708
6251 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
6252 based on number of case labels.
6253 (init_inline_once): Remove switch_cost.
6254 * tree-inline.h (eni_weights_d): Remove switch_cost.
6256 2008-01-09 Richard Guenther <rguenther@suse.de>
6257 Andrew Pinski <andrew_pinski@playstation.sony.com>
6260 * gimplify.c (gimplify_cond_expr): Do not create an addressable
6261 temporary if an rvalue is ok or an lvalue is not required.
6263 2008-01-09 Richard Guenther <rguenther@suse.de>
6266 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
6269 2008-01-09 Richard Guenther <rguenther@suse.de>
6272 * tree.c (host_integerp): Check for sizetype only if the
6273 type is an integer type.
6275 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
6278 * opts.c (decode_options): Disable inlining of functions called
6279 once if not in unit-at-a-time mode.
6281 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
6283 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
6285 2008-01-08 Richard Guenther <rguenther@suse.de>
6288 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
6289 out early if the result will be unused.
6291 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6296 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6297 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6300 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
6302 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
6303 for vectorization tuned.
6305 2008-01-08 Richard Guenther <rguenther@suse.de>
6307 PR tree-optimization/34683
6308 * tree-ssa-operands.c (operand_build_cmp): Export.
6309 * tree-ssa-operands.h (operand_build_cmp): Declare.
6310 * tree-vn.c (vuses_compare): Remove.
6311 (sort_vuses): Use operand_build_cmp.
6312 (sort_vuses_heap): Likewise.
6313 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
6314 to re-use old VEC if available. Do not sort already sorted VUSEs.
6315 (vdefs_to_vec): Do not sort already sorted VDEFs.
6317 2008-01-08 Jakub Jelinek <jakub@redhat.com>
6320 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
6322 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6325 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
6326 limitations of reciprocal sequences on x86 targets.
6328 2008-01-08 Richard Guenther <rguenther@suse.de>
6330 PR tree-optimization/34683
6331 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
6333 2008-01-07 Jakub Jelinek <jakub@redhat.com>
6336 * config/darwin.c (darwin_mergeable_string_section): Don't use
6337 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
6339 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
6342 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
6343 negxf2. Macroize expander using X87MODEF mode iterator. Change
6344 predicates of op0 and op1 to register_operand.
6345 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
6346 expander using X87MODEF mode iterator. Change predicates of
6347 op0 and op1 to register_operand.
6348 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
6349 corresponding patterns and macroize using MODEF macro. Change
6350 predicates of op0 and op1 to register_operand and remove
6351 "m" constraint. Disparage "r" alternative with "!".
6352 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
6353 macroize using X87MODEF macro. Change predicates of op0 and op1
6354 to register_operand and remove "m" constraint. Disparage "r"
6355 alternative with "!".
6356 (absneg splitter with memory operands): Remove.
6357 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
6358 patterns and macroize using X87MODEF mode iterator.
6359 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
6360 Change predicate of op1 to register_operand.
6361 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
6362 for memory operands.
6364 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
6366 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
6368 2008-01-07 Richard Guenther <rguenther@suse.de>
6370 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
6373 2008-01-07 Richard Guenther <rguenther@suse.de>
6375 PR tree-optimization/34683
6376 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
6377 VOPs of the needed size to save memory. Use VEC_quick_push
6378 to save compile-time.
6379 (vdefs_to_vec): Likewise.
6381 2008-01-07 Sa Liu <saliu@de.ibm.com>
6383 * config/spu/spu.md (divdf3): Genetate inline code for double
6384 division. The implementation doesn't handle INF or NAN, therefore it
6385 only applies when -ffinite-math-only is given.
6387 2008-01-06 Paolo Carlini <pcarlini@suse.de>
6390 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
6391 * doc/cpp.texi ([Common Predefined Macros]): Document.
6393 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
6395 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
6396 order to use commutative addition instead of subtraction.
6398 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
6399 Mircea Namolaru <namolaru@il.ibm.com>
6400 Vladimir Yanovsky <yanov@il.ibm.com>
6401 Revital Eres <eres@il.ibm.com>
6403 PR tree-optimization/34263
6404 * tree-outof-ssa.c (process_single_block_loop_latch,
6405 contains_tree_r): New functions.
6406 (analyze_edges_for_bb): Call process_single_block_loop_latch
6407 function to empty single-basic-block latch block if possible.
6409 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6411 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6413 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
6415 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6417 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
6419 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6421 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
6423 2008-01-05 Jakub Jelinek <jakub@redhat.com>
6425 PR tree-optimization/34618
6426 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
6429 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6432 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
6433 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
6434 Update copyright year.
6436 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
6437 Update copyright year.
6438 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
6441 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
6443 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
6444 edge does not point to current bb before changing need_assert.
6446 2008-01-04 Richard Guenther <rguenther@suse.de>
6449 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
6450 for verifying purposes if they are is_gimple_min_invariant.
6452 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
6454 PR tree-optimization/34448
6455 PR tree-optimization/34465
6456 * gimplify.c (gimplify_init_constructor): Add new parameter
6457 notify_temp_creation. Use it.
6458 (gimplify_modify_expr_rhs): Take volatiles into account when
6459 optimizing constructors.
6460 Do not optimize constructors if gimplify_init_constructor will dump to
6462 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
6463 * gcc.c-torture/compile/pr34448.c: New.
6465 2008-01-04 Jakub Jelinek <jakub@redhat.com>
6467 PR gcov-profile/34609
6468 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
6469 return_slot if result is TREE_ADDRESSABLE.
6471 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
6473 * config/mips/mips.md (sqrt_condition): Tweak comment.
6474 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
6476 2008-01-03 Tom Tromey <tromey@redhat.com>
6479 * c-common.c (c_type_hash): Handle VLAs.
6481 2008-01-03 Jan Hubicka <jh@suse.cz>
6483 PR tree-optimization/31081
6484 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
6485 0 when inlining and not inlining to first basic block.
6486 (remap_decl): When var is initialized to 0, don't set default_def.
6487 (expand_call_inline): Set entry_bb.
6488 * tree-inline.h (copy_body_data): Add entry_bb.
6490 2008-01-03 Jakub Jelinek <jakub@redhat.com>
6493 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
6496 PR tree-optimization/29484
6497 * tree-inline.c (inline_forbidden_p_2): New function.
6498 (inline_forbidden_p): Disallow inlining if some static var
6499 has an address of a local LABEL_DECL in its initializer.
6500 * doc/extend.texi (Labels as Values): Document &&foo behaviour
6503 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
6505 PR tree-optimization/34635
6506 * tree-data-ref.c (add_other_self_distances): Make sure that the
6507 evolution step is constant.
6509 2008-01-03 Jakub Jelinek <jakub@redhat.com>
6512 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
6514 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
6516 * tree-sra.c (scalarize_init): Insert the generate_element_init
6517 statements after the generate_element_zero statements.
6519 2008-01-02 Richard Guenther <rguenther@suse.de>
6523 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
6524 for very large number of operands instead of ICEing.
6526 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
6529 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
6530 while stack probing.
6532 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
6534 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
6537 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
6540 * tree-mudflap.c (mx_register_decls): Guard warning by
6541 !DECL_ARTIFICIAL check.
6543 2008-01-01 Jakub Jelinek <jakub@redhat.com>
6545 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
6546 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
6547 sse5_perm<mode>): Fix constraints.