1 2008-04-13 Jan Hubicka <jh@suse.cz>
3 * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
5 2008-04-12 Andrew Pinski <pinskia@gmail.com>
7 * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
8 we are going to "save the world".
10 2008-04-13 Hans-Peter Nilsson <hp@axis.com>
12 * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
13 ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
14 operand 0 constraint, not "=".
16 2008-04-11 James E. Wilson <wilson@tuliptree.org>
18 * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
20 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
22 * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
23 of size of positions_needed * CHAR_BIT.
25 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
28 * dse.c (store_info): Change positions_needed to unsigned
30 (lowpart_bitmask): New.
31 (record_store): Cast to unsigned HOST_WIDE_INT for
32 positions_needed. Assert width <= size of positions_needed *
33 CHAR_BIT. Call lowpart_bitmask to initialize positions_needed.
34 (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask. Call
35 lowpart_bitmask to set mask.
37 2008-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
39 * config/bfin/constraints.md: New file.
40 * config/bfin/bfin.md: Include it.
41 (adddi3): Use satisfies_constraint functions instead of the old macros.
42 * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
43 CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
44 CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
45 CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
46 CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
47 CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
48 EXTRA_CONSTRAINT): Delete.
49 * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
50 reg_or_neg7bit_operand): Use satisfies_constraint functions instead
52 * config/bfin/bfin.c: Include "tm-constrs.h".
53 (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
54 Use satisfies_constraint functions instead of the old macros.
55 * doc/md.texi (Blackfin Constraints): Update file name reference.
57 2008-04-11 Richard Guenther <rguenther@suse.de>
59 PR tree-optimization/35869
60 * tree-vrp.c (execute_vrp): Move switch statement update after
61 jump threading. Schedule another cfg cleanup run.
63 2008-04-11 Volker Reichelt <v.reichelt@netcologne.de>
66 * attribs.c (decl_attributes): Return early on errorneous node.
68 2008-04-10 Oleg Ryjkov <olegr@google.com>
70 * tree.h (struct tree_base): Added a new flag default_def_flag.
71 (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
73 2008-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
75 * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
77 2008-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
80 * pa.md: Define mode iterator P. Define mode attribute dwc.
81 (dcacheflush): Update pattern to use iterator P and attribute dwc.
82 (icacheflush): Likewise.
83 * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
84 !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
86 2008-04-11 Ben Elliston <bje@au.ibm.com>
88 * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
90 2008-04-10 Rafael Espindola <espindola@google.com>
92 * gcc/tree-vrp.c (extract_range_from_binary_expr): Don't handle
93 TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
94 (extract_range_from_expr): The same.
96 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
98 * config/mips/mips.md (GPR2): New mode iterator.
100 (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
101 *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
102 *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
103 Rewrite these to take two modes, the mode of comparison and the
104 mode of the destination.
105 * config/mips/mips.c (mips_expand_scc): Instead of having
106 paradoxical subreg as destination, expand "narrowing" scc if mode
107 of comparison is SI and target is requested in DI mode.
108 (mips_emit_int_order_test): Update comment. Make mode of
109 comparison match CMP0 rather than TARGET. When creating inverse
110 target use mode of TARGET.
112 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
114 * gcov-dump.c (tag_summary): Only print summaries for the first
115 GCOV_COUNTERS_SUMMABLE counters.
117 2008-04-10 Uros Bizjak <ubizjak@gmail.com>
119 * config/i386/i386.md (absneg): New code iterator.
120 (absnegprefix): New code attribute.
121 (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
122 patterns using absneg code iterator.
123 (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
124 using absneg code iterator.
125 (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
126 *neg<mode>2 patterns using absneg code iterator.
127 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
128 *negextendsfdf2 patterns using absneg code iterator.
129 (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
130 *negextendsfxf2 patterns using absneg code iterator.
131 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
132 *negextendsfdf2 patterns using absneg code iterator.
133 * config/i386/sse.md (<code><mode>2): Macroize expander from
134 abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
136 2008-04-10 Andreas Krebbel <krebbel1@de.ibm.com>
138 * config/s390/s390.h: Remove the remains of the recent search
139 & replace action of current_function_outgoing_args_size.
141 2008-04-10 Ira Rosen <irar@il.ibm.com>
143 PR tree-optimization/35821
144 * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
145 NEW_STMT_LIST is not NULL.
147 2008-04-09 David Edelsohn <edelsohn@gnu.org>
150 * toplev.c (process_options): Remove -ffunction-sections debugging
153 2008-04-09 Peter Bergner <bergner@vnet.ibm.com>
155 PR middle-end/PR28690
156 * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
157 than gen_rtx_fmt_ee to perform more canonicalizations.
159 2008-04-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
162 * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
164 2008-04-09 Richard Guenther <rguenther@suse.de>
166 * tree-cfg.c (verify_stmt): Print complete bogus stmt.
167 (dump_function_to_file): Dump function arguments with types.
169 2008-04-08 Richard Guenther <rguenther@suse.de>
171 * fold-const.c (fold_widened_comparison): Do not allow
172 sign-changes that change the result.
174 2008-04-08 Janis Johnson <janis187@us.ibm.com>
177 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
178 kinds of indirect references.
180 2008-04-08 David Edelsohn <edelsohn@gnu.org>
182 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
183 GNU Fortran language string.
185 2008-04-08 Rafael Espindola <espindola@google.com>
187 * fold-canst.c (tree_call_nonnegative_warnv_p): New.
188 (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
189 * tree.h (tree_call_nonnegative_warnv_p): New.
191 2008-04-08 Jan Hubicka <jh@suse.cz>
193 * function.c (free_after_compilation): Clear out regno_reg_rtx
196 2008-04-08 Peter Bergner <bergner@vnet.ibm.com>
199 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
201 PR middle-end/PR28690
202 * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
203 same precedence as REG_POINTER and MEM_POINTER operands.
205 2008-04-08 Richard Guenther <rguenther@suse.de>
208 * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
209 for adding index to base.
211 2008-04-08 Kai Tietz <kai.tietz@onevision.com>
213 * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
214 (MINGW_ENABLE_EXECUTE_STACK): New.
215 (IN_LIBGCC2): For libgcc include windows.h file for
216 function declarations.
218 2008-04-08 Hans-Peter Nilsson <hp@axis.com>
220 * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
221 and tem2 if tem1 is not a REG or MULT.
223 2008-04-08 Jan Hubicka <jh@suse.cz>
225 * function.h (incomming_args): Break out of struct function.
226 (function_subsections): Break out of struct function.
227 (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
228 return_rtx and hard_reg_initial_vals from struct function.
229 Kill inl_max_label_num.
230 (current_function_pops_args, current_function_args_info,
231 current_function_args_size, current_function_args_size,
232 current_function_pretend_args_size,
233 current_function_outgoing_args_size,
234 current_function_internal_arg_pointer, current_function_return_rtx):
235 Kill compatibility accestor macros.
236 * builtins.c (expand_builtin_apply_args_1): Update.
237 (expand_builtin_next_arg): Update.
238 * df-scan.c (df_get_call_refs): Update.
239 * dbxout.c (dbxout_function_end): Update.
240 * dwarf2out.c (dwarf2out_switch_text_section): Update.
241 (output_line_info): Update.
242 (secname_for_decl): Update.
243 (dwarf2out_var_location): Update.
244 * function.c (free_after_compilation): Update.
245 (assign_parm_find_stack_rtl): Update.
246 (assign_parms): Update.
247 (expand_dummy_function_end): Update.
248 (expand_function_end): Update.
249 * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
250 (expand_call): Update.
251 (emit_library_call_value_1): Update.
252 (store_one_arg): Update.
253 * varasm.c (initialize_cold_section_name): Update.
254 (unlikely_text_section): Update.
255 (unlikely_text_section_p): Update.
256 (assemble_start_function): Update.
257 (assemble_end_function): Update.
258 (default_section_type_flags): Update.
259 (switch_to_section): Update.
260 * integrate.c (set_decl_abstract_flags): Update.
261 (get_hard_reg_initial_val): Update.
262 (has_hard_reg_initial_val): Update.
263 (allocate_initial_values): Update.
264 * resource.c (init_resource_info): Update.
265 * config/alpha/alpha.c (NUM_ARGS): Update.
266 (direct_return): Update.
267 (alpha_va_start): Update.
268 (alpha_sa_size): Update.
269 (alpha_initial_elimination_offset): Update.
270 (alpha_expand_prologue): Update.
271 (alpha_start_function): Update.
272 (alpha_expand_epilogue): Update.
273 (unicosmk_initial_elimination_offset):
274 * config/alpha/alpha.md (call expander): Update.
275 * config/s390/s390.c (s390_register_info): Update.
276 (s390_register_info): Update.
277 (s390_frame_info): Update.
278 (s390_initial_elimination_offset): Update.
279 (s390_build_builtin_va_list): Update.
280 (s390_va_start): Update.
281 * config/spu/spu.c (direct_return): Update.
282 (spu_expand_prologue): Update.
283 (spu_initial_elimination_offset): Update.
284 (spu_build_builtin_va_list): Update.
285 (spu_va_start): Update.
286 * config/sparc/sparc.c (sparc_init_modes): Update.
287 (sparc_compute_frame_size): Update.
288 (function_value): Update.
289 * config/m32r/m32r.c (m32r_compute_frame_size): Update.
290 * config/i386/i386.md (return expander): Update.
291 * config/i386/i386.c (ix86_va_start): Update.
292 (ix86_can_use_return_insn_p): Update.
293 (ix86_compute_frame_layout): Update.
294 (ix86_expand_epilogue): Update.
295 * config/sh/sh.c (output_stack_adjust): Update.
296 (calc_live_regs): Update.
297 (sh_expand_prologue): Update.
298 (sh_builtin_saveregs): Update.
299 (sh_va_start): Update.
300 (initial_elimination_offset): Update.
301 (sh_allocate_initial_value): Update.
302 (sh_function_ok_for_sibcall): Update.
303 (sh_get_pr_initial_val): Update.
304 * config/sh/sh.md (return expander): Update.
305 * config/avr/avr.c (frame_pointer_required_p): UPdate.
306 * config/crx/crx.c (crx_compute_frame): UPdate.
307 (crx_initial_elimination_offset): UPdate.
308 * config/xtensa/xtensa.c (compute_frame_size): Update
309 (xtensa_builtin_saveregs): Update.
310 (xtensa_va_start): Update.
311 (order_regs_for_local_alloc): Update.
312 * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
313 (xstormy16_expand_builtin_va_start): Update.
314 * config/fr30/fr30.c (fr30_compute_frame_size): Update.
315 * config/m68hc11/m68hc11.md (return expanders): Update.
316 * config/m68hc11/m68hc11.c (expand_prologue): Update.
317 (expand_epilogue): Update.
318 * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
319 (cris_simple_epilogue): Update.
320 (cris_expand_prologue): Update.
321 (cris_expand_epilogue): Update.
322 * config/iq2000/iq2000.c (iq2000_va_start): Update.
323 (compute_frame_size): Update.
324 * config/mt/mt.c (mt_compute_frame_size): Update.
325 * config/mn10300/mn10300.c (expand_prologue): Update.
326 (expand_epilogue): Update.
327 (initial_offset): Update.
328 (mn10300_builtin_saveregs):
329 * config/mn10300/mn10300.md (return expander): Update.
330 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
331 (ia64_initial_elimination_offset): Update.
332 (ia64_initial_elimination_offset): Update.
333 (ia64_expand_prologue): Update.
334 * config/m68k/m68k.md (return expander): Update.
335 * config/rs6000/rs6000.c (rs6000_va_start): Update.
336 (rs6000_stack_info): Update.
337 * config/mcore/mcore.c (layout_mcore_frame): Update.
338 (mcore_expand_prolog): Update.
339 * config/arc/arc.c (arc_compute_frame_size): Update.
340 * config/score/score3.c (score3_compute_frame_size): Update.
341 * config/score/score7.c (score7_compute_frame_size): Update.
342 * config/arm/arm.c (use_return_insn): Update.
343 (thumb_find_work_register): Update.
344 (arm_compute_save_reg_mask): Update.
345 (arm_output_function_prologue): Update.
346 (arm_output_epilogue): Update.
347 (arm_size_return_regs): Update.
348 (arm_get_frame_offsets): Update.
349 (arm_expand_prologue): Update.
350 (thumb_exit): Update.
351 (thumb_unexpanded_epilogue): Update.
352 (thumb1_output_function_prologue): Update.
353 * config/pa/pa.md (return expander): Update.
354 * config/pa/pa.c (compute_frame_size): Update.
355 (hppa_builtin_saveregs): Update.
356 * config/mips/mips.c (mips_va_start): Update.
357 (mips16_build_function_stub): Update.
358 (mips_compute_frame_info): Update.
359 (mips_restore_gp): Update.
360 (mips_output_function_prologue): Update.
361 (mips_expand_prologue): Update.
362 * config/v850/v850.c (compute_frame_size): Update.
363 (expand_prologue): * config/mmix/mmix.c (along): update.
364 (mmix_initial_elimination_offset): update.
365 (mmix_reorg): update.
366 (mmix_use_simple_return): update.
367 (mmix_expand_prologue): update.
368 (mmix_expand_epilogue): Update.
369 * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
370 (emit_link_insn): Update.
372 2008-04-08 Anatoly Sokolov <aesok@post.ru>
374 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
375 __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
377 * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
380 2008-04-07 Jan Hubicka <jh@suse.cz>
382 * function.h (rtl): Rename to x_rtl.
384 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
385 frame_offset, stack_check_probe_note, arg_pointer_save_area,
386 used_temp_slots avail_temp_slots, temp_slot_level,
387 nonlocal_goto_handler_labels): Update accesstors.
388 (rtl): New global variable.
389 (struct function): Move some fileds to rtl_data.
390 (get_arg_pointer_save_area): Update prototype.
391 * builtins.c (expand_builtin_setjmp_receiver): Update call of
392 get_arg_pointer_save_area.
393 * expr.c (init_expr): Update
394 * function.c (get_frame_size): Update
395 (assign_stack_local): Update
396 (expand_function_end): Update.
397 (get_art_pointer_save_area): Update
399 * emit-rtl.c (rtl): Declare.
400 (regno_reg_rtx): Declare.
401 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
403 (gen_reg_rtx): Update.
404 * varasm.c (n_deferred_constatns): Update accestor.
405 (init_varasm_status): Do not allocate varasm_status.
406 (force_const_mem, get_pool_size, output_constant_pool): Update.
407 * stmt.c (force_label_rtx): Do not use x_ prefixes.
408 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
409 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
410 * sparc/sparc.h (INIT_EXPANDERS): Update.
411 * ia64/ia64.h (INIT_EXPANDERS): Update.
413 2008-04-07 James E. Wilson <wilson@tuliptree.org>
415 * reload.c (push_secondary_reload): Add missing break to for loop.
417 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
419 PR middle-end/PR28690
420 * rtlanal.c: Update copyright years.
421 (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
422 as REG_POINTER and MEM_POINTER operands.
423 * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
424 (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
425 * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
426 * gcse.c: Update copyright years.
427 (pre_delete): Call gen_reg_rtx_and_attrs.
428 (hoist_code): Likewise.
429 (build_store_vectors): Likewise.
430 (delete_store): Likewise.
431 * loop-invariant.c (move_invariant_reg): Likewise.
432 Update copyright years.
434 2008-04-07 Uros Bizjak <ubizjak@gmail.com>
436 * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
437 control string instead of quoted.
439 2008-04-07 Kenneth Zadeck <zadeck@naturalbridge.com>
441 * doc/rtl.texi: Rewrite of subreg section.
443 2008-04-07 Kai Tietz <kai.tietz@onevision.com>
446 * config/i386/i386.c (legitimize_pic_address): Add treating
447 of dllimport SYM_REF's.
448 (legitimize_dllimport_symbol): Add prototype.
450 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
452 * fold-const.c (fold) <ARRAY_REF>: New case. Try to fold constant
453 reference in constructor with non self-referential type.
455 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
457 Removal of Return with Depressed Stack Pointer support
458 * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
459 (ECF_SP_DEPRESSED): Likewise.
460 (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
461 * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
462 (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
463 (expand_call): Do not test ECF_SP_DEPRESSED.
464 * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
465 * function.c (keep_stack_depressed): Delete.
466 (handle_epilogue_set): Likewise.
467 (update_epilogue_consts): Likewise.
468 (emit_equiv_load): Likewise.
469 (thread_prologue_and_epilogue_insns): Remove support for Return with
470 Depressed Stack Pointer.
471 * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
473 2008-04-06 Richard Guenther <rguenther@suse.de>
475 PR tree-optimization/35400
476 * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
477 information from SSA_NAMEs.
479 2008-04-06 Anatoly Sokolov <aesok@post.ru>
481 * config/avr/avr.h (avr_mega_p): Remove declaration.
482 (AVR_MEGA): Remove macro.
483 * config/avr/avr.c (avr_mega_p): Remove variable.
484 (avr_override_options): Remove inicializion of avr_mega_p.
485 Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
486 (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
487 (avr_jump_mode): (Ditto.).
488 (avr_output_progmem_section_asm_op): (Ditto.).
489 (avr_asm_init_sections): (Ditto.).
490 (avr_asm_init_sections): (Ditto.).
491 (avr_rtx_costs): (Ditto.).
492 * config/avr/avr.md: (Ditto.).
493 * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
496 2008-04-06 Richard Guenther <rguenther@suse.de>
498 PR tree-optimization/35842
499 * tree-ssa-address.c (fixed_address_object_p): Adjust to match
500 is_gimple_invariant_address.
502 2008-04-06 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
504 * gcc.c (default_compilers): Sync Fortran extensions list with
505 that in fortran/lang-specs.h.
506 * doc/invoke.texi: Likewise.
507 * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
508 * dwarf2out.c (gen_compile_unit_die): Likewise.
510 2008-04-06 Tom G. Christensen <tgc@jupiterrise.com>
512 * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
514 2008-04-05 Uros Bizjak <ubizjak@gmail.com>
517 * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
518 attribute is used for nested functions.
520 2008-04-05 Jan Hubicka <jh@suse.cz>
522 * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
524 * tree-dump.c (dump_enable_all): Remove prototype; do not accept
526 (dump_files): Update.
527 (enable_rtl_dump_file): Do not accept letter argument.
528 * tree-pass.h (dump_file_info): Remove letter argument.
529 * toplev.c (decode_d_option): Update -da handling.
530 * toplev.h (enable_rtl_dump_file): Update prototype.
531 * passes.c (register_one_dump_file): Do not accept IPA argument; work
532 it out based on pass type.
533 (register_dump_files_1): Likewise.
534 (init_optimization_passes): Update register_one_dump_file calls.
535 (execute_one_pass): Sanity check that IPA passes are called at IPA
536 level and RTL passes at RTL level.
537 (execute_pass_list): IPA pass can not be after or subpass of
539 (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
540 disallov RTL subpasses of IPA subpasses.
542 2008-04-05 Ben Elliston <bje@au.ibm.com>
544 * tree-cfg.c (need_fake_edge_p): Return false for calls to
545 builtins that return exactly once and do not throw. Cache call to
548 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
550 PR rtl-optimization/34916
552 * combine.c (create_log_links): Do not create duplicate LOG_LINKS
553 between instruction pairs.
555 2008-04-04 Naveen.H.S <naveen.hs@kpitcummins.com>
557 * doc/invoke.texi: Document -mbitops for SH.
558 * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
559 * config/sh/predicates.md (bitwise_memory_operand): New predicate.
560 * config/sh/sh.c (print_operand): Add %t operand code.
561 * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
562 * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
563 (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
564 (extendqihi2): Likewise.
566 (insv): Use bset, bclr and bst instructions for SH2A if possible.
567 (extv): Use bld instruction for SH2A if possible.
569 (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
570 bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
571 bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
572 (bset.b, bclr.b): Define peepholes.
573 * config/sh/sh.opt (mbitops): New option.
575 2008-04-04 Janis Johnson <janis187@us.ibm.com>
578 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
579 and view convert expression.
581 2008-04-04 Jakub Jelinek <jakub@redhat.com>
584 * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
586 2008-04-04 H.J. Lu <hongjiu.lu@intel.com>
588 * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
590 * config/i386/cpuid.h (bit_AES): New.
591 (bit_PCLMUL): Likewise.
593 * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
594 (override_options): Handle PTA_AES and PTA_PCLMUL. Enable
595 SSE2 if AES or PCLMUL is enabled.
596 (ix86_builtins): Add IX86_BUILTIN_AESENC128,
597 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
598 IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
599 IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
600 (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
601 (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
602 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
603 IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
604 (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
605 (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
606 __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
607 __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
608 __builtin_ia32_aeskeygenassist128 and
609 __builtin_ia32_pclmulqdq128.
610 * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
611 (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
612 IX86_BUILTIN_PSRLDQI128. Handle IX86_BUILTIN_AESKEYGENASSIST128.
614 * config/i386/i386.h (TARGET_AES): New.
615 (TARGET_PCLMUL): Likewise.
616 (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
618 * config/i386/i386.md (UNSPEC_AESENC): New.
619 (UNSPEC_AESENCLAST): Likewise.
620 (UNSPEC_AESDEC): Likewise.
621 (UNSPEC_AESDECLAST): Likewise.
622 (UNSPEC_AESIMC): Likewise.
623 (UNSPEC_AESKEYGENASSIST): Likewise.
624 (UNSPEC_PCLMUL): Likewise.
626 * config/i386/i386.opt (maes): New.
629 * config/i386/sse.md (aesenc): New pattern.
630 (aesenclast): Likewise.
632 (aesdeclast): Likewise.
634 (aeskeygenassist): Likewise.
635 (pclmulqdq): Likewise.
637 * config/i386/wmmintrin.h: New.
639 * doc/extend.texi: Document AES and PCLMUL built-in function.
641 * doc/invoke.texi: Document -maes and -mpclmul.
643 2008-04-04 Paolo Bonzini <bonzini@gnu.org>
645 * function.c (free_after_parsing): Replace with
646 cxx_push_function_context from C++ front-end.
647 (allocate_struct_function): Don't call langhook.
648 * langhooks.h (struct lang_hooks_for_functions): Delete.
649 (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
651 * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
652 (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
653 LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
654 LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
655 (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
656 remove LANG_HOOKS_FUNCTION_INITIALIZER.
657 * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
659 * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
660 Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
662 2008-04-04 Jakub Jelinek <jakub@redhat.com>
665 * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
668 2008-04-04 Richard Guenther <rguenther@suse.de>
671 * fold-const.c (optimize_minmax_comparison): Use the correct
672 type for the constant in the simplified comparison.
674 2008-04-04 Zuxy Meng <zuxy.meng@gmail.com>
676 * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
677 Pass L2 size as "--param l2-cache-size" to the compiler.
678 (decode_l2_cache): New function to decode L2 cache parameters using
679 0x8000006 extended cpuid function.
680 (detect_caches_amd): Determine parameters of L2 cache using
681 decode_l2_caches function.
682 (decode_caches_intel): Decode L2 cache parameters.
683 (detect_caches_intel): Determine L2 cache parameters using
684 decode_caches_intel and decode_l2_caches functions.
686 2008-04-03 Bob Wilson <bob.wilson@acm.org>
688 * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
689 secondary input reload for subword loads from the constant pool.
691 2008-04-03 Janis Johnson <janis187@us.ibm.com>
694 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
695 constants of the appropriate size for runtime calculations.
698 * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
699 decimal-float literal constant zero.
701 2008-04-03 Jakub Jelinek <jakub@redhat.com>
704 * c-parser.c (c_parser_omp_atomic): Call
705 default_function_array_conversion on the RHS.
708 * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
709 call is_variable_sized if decl has incomplete type.
711 2008-04-03 H.J. Lu <hongjiu.lu@intel.com>
713 * config/i386/i386-protos.h (ix86_aligned_p): Removed.
715 2008-04-03 Adam Nemet <anemet@caviumnetworks.com>
717 * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
719 (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
720 (sgt<u>): Merge sgt and sgtu into new expander.
721 (sgt, sgtu): Remove expanders.
722 (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
723 (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
724 (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
725 *sgtu_<mode>_mips16 into new pattern.
726 (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
727 (sge<u>): Merge sge and sgeu into new expander.
728 (sge, sgeu): Remove expanders.
729 (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
731 (*sge_<mode>, second *sge_<mode>): Remove patterns.
732 (slt<u>): Merge slt and sltu into new expander.
733 (slt, sltu): Remove expanders.
734 (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
735 (*slt_<mode>, *sltu_<mode>): Remove patterns.
736 (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
737 *sltu_<mode>_mips16 into new pattern.
738 (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
739 (sle<u>): Merge sle and sleu into new expander.
740 (sle, sleu): Remove expanders.
741 (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
742 (*sle_<mode>, *sleu_<mode>): Remove patterns.
743 (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
744 *sleu_<mode>_mips16 into new pattern.
745 (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
747 2008-04-03 Jan Hubicka <jh@suse.cz>
749 PR tree-optimization/35795
750 * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
751 * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
752 * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
753 * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
754 * score/score3.c (score3_output_mi_thunk): Likewise.
755 * score/score7.c (score7_output_mi_thunk): Likewise.
756 * mips/mips.c (mips_output_mi_thunk): Likewise.
758 2008-04-03 Richard Guenther <rguenther@suse.de>
760 * tree-vrp.c (extract_range_from_unary_expr): Handle all
761 conversions. Simplify code.
763 2008-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
765 * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
767 2008-04-03 Tom Tromey <tromey@redhat.com>
768 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
770 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
771 * config/bfin/t-bfin-linux (generated_files): Add
772 linux-sysroot-suffix.h.
773 * doc/install.texi (Prerequisites): Require make 3.80.
774 * doc/sourcebuild.texi (Front End Directory): Document new
776 * Makefile.in (generated_files): New variable.
777 (ALL_HOST_OBJS): New variable.
778 ($(ALL_HOST_OBJS)): New target.
780 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
782 * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
783 (remap_block): Call id->transform_lang_insert_block instead
785 (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
786 Set id.transform_lang_insert_block to NULL.
787 (clone_body): Move to cp/optimize.c
788 * tree-inline.h (struct copy_body_data): Change
789 transform_lang_insert_block to function pointer.
790 (copy_generic_body, copy_decl_no_change): Export.
791 * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
792 * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
793 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
795 * c-tree.h (insert_block): Kill.
796 * c-decl.c (insert_block): Kill.
798 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
800 * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
801 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
802 * c-tree.h (c_push_function_context, c_pop_function_context): Remove
804 * c-decl.c (c_push_function_context, c_pop_function_context): Remove
805 argument, call {push,pop}_function_context from here.
806 * c-parser.c: Use c_{push,pop}_function_context.
808 * function.c (push_function_context_to): Move meat ...
809 (push_function_context): ... here. Simplify.
810 * function.c (pop_function_context_from): Move meat ...
811 (pop_function_context): ... here. Simplify.
812 * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
814 * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
815 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
816 (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
817 * tree.h (push_function_context_to, pop_function_context_from): Remove.
819 2008-04-03 Ben Elliston <bje@au.ibm.com>
821 * expmed.c (extract_force_align_mem_bit_field): Remove.
823 2008-04-03 Richard Guenther <rguenther@suse.de>
826 * expr.h (try_casesi): Adjust prototype.
827 * expr.c (try_casesi): Take fallback label as extra parameter.
828 Use that for gen_casesi if default_label is NULL.
829 * stmt.c (expand_case): Pass fallback label to try_casesi,
830 make sure to fill gaps with a fallback label if default_label
833 2008-04-03 Dominique d'Humieres <dominiq@lps.ens.fr>
836 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
838 2008-04-03 Ben Elliston <bje@au.ibm.com>
840 * expmed.c (extract_split_bit_field): Remove if (0) code.
841 * tree-ssa-structalias.c (do_sd_constraint): Likewise.
842 (do_ds_constraint): Likewise.
844 2008-04-02 Joseph Myers <joseph@codesourcery.com>
846 * doc/cppopts.texi (-dU): Document.
847 * c-common.h (flag_dump_macros): Update comment.
848 * c-opts.c (handle_OPT_d): Handle -dU.
849 * c-ppoutput.c (macro_queue, define_queue, undef_queue,
850 dump_queued_macros, cb_used_define, cb_used_undef): New.
851 (init_pp_output): Handle -dU.
852 (cb_line_change): Call dump_queued_macros.
853 * toplev.c (decode_d_option): Accept -dU as preprocessor option.
855 2008-04-02 Anatoly Sokolov <aesok@post.ru>
857 * config/avr/predicates.md (io_address_operand): New predicate.
858 * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
859 * config/avr/avr.c (avr_io_address_p): Remove function.
860 (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
861 'avr_io_address_p' function.
862 (out_movhi_r_mr): (Ditto.).
863 (out_movqi_mr_r): (Ditto.).
864 (out_movhi_mr_r): (Ditto.).
865 (avr_address_cost): (Ditto.).
867 2008-04-02 Uros Bizjak <ubizjak@gmail.com>
869 * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
870 Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
871 in 32bit mode when XMM registers are available to avoid store
873 (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
874 corresponding post-reload splitters.
876 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
878 * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
879 and __builtin_ia32_shufpd. Provide __builtin_ia32_roundsd and
880 __builtin_ia32_roundss.
881 (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
882 __builtin_ia32_shufpd, __builtin_ia32_roundsd and
883 __builtin_ia32_roundss.
884 (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
885 IX86_BUILTIN_SHUFPD here.
887 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
889 * config/i386/i386.md (plogic): New.
890 (plogicprefix): Likewise.
892 * config/i386/mmx.md (mmx_<code><mode>3): New.
893 (mmx_and<mode>3): Removed.
894 (mmx_ior<mode>3): Likewise.
895 (mmx_xor<mode>3): Likewise.
897 * config/i386/sse.md (<code><mode>3): New.
898 (*<code><mode>3): Likewise.
899 (*<code><mode>3): Likewise.
900 (<code><mode>3): Likewise.
901 (*sse_<code><mode>3): Likewise.
902 (*sse2_<code><mode>3): Likewise.
903 (<code>tf3): Likewise.
904 (*<code>tf3): Likewise.
905 (and<mode>3): Likewise.
906 (*and<mode>3): Likewise.
907 (ior<mode>3): Removed.
908 (*ior<mode>3): Likewise.
909 (xor<mode>3): Likewise.
910 (*xor<mode>3): Likewise.
911 (*and<mode>3): Likewise.
912 (*ior<mode>3): Likewise.
913 (*xor<mode>3): Likewise.
914 (and<mode>3): Likewise.
915 (*sse_and<mode>3): Likewise.
916 (*sse2_and<mode>3): Likewise.
919 (ior<mode>3): Likewise.
920 (*sse_ior<mode>3): Likewise.
921 (*sse2_ior<mode>3): Likewise.
924 (xor<mode>3): Likewise.
925 (*sse_xor<mode>3): Likewise.
926 (*sse2_xor<mode>3): Likewise.
930 2008-04-02 Richard Guenther <rguenther@suse.de>
932 PR tree-optimization/14495
933 PR tree-optimization/34793
934 * tree-vrp.c (struct switch_update): New structure.
935 (to_remove_edges, to_update_switch_stmts): New VECs.
936 (simplify_switch_using_ranges): New function. Remove not taken
937 case labels and edges.
938 (simplify_stmt_using_ranges): Call it.
939 (identify_jump_threads): Mark edges we have queued for removal
940 so we don't thread them.
941 (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
943 * tree-cfg.c (group_case_labels): Deal with missing default label.
944 (tree_verify_flow_info): Allow missing default label.
945 * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
946 (emit_case_nodes): Likewise.
947 (expand_case): Do not rely on the default label to be present.
948 * expr.c (try_casesi): Deal with NULL default_label.
949 (do_tablejump): Likewise.
951 2008-04-02 Richard Guenther <rguenther@suse.de>
953 PR tree-optimization/14495
954 * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
956 (vrp_visit_switch_stmt): ... but here (new function).
957 (find_case_label_index): New helper function.
958 (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
960 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
962 * fwprop.c: Fix ISO-C99ism.
964 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
967 * Makefile.in (objdir): Set it here.
968 * configure.ac: Not here. Find dynamic linker characteristics.
969 * exec-tool.in: Use them.
970 * aclocal.m4: Regenerate.
971 * configure: Regenerate.
973 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
975 * expr.c (expand_var): Delete it.
976 * expr.h (expand_var): Delete prototype.
977 * function.c (expand_function_start): Use expand_decl instead.
978 * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
981 2008-04-02 Andy Hutchinson <hutchinsonamdy@aim.com>
983 PR rtl-optimization/35542
984 * fwprop.c (forward_propagate_and_simplify): Replace
985 loc_reg_mentioned_in_p with reg_mentioned_p.
987 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
989 PR rtl-optimization/35281
990 * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
991 (propagate_rtx_1): Handle PR_HANDLE_MEM.
992 (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
993 (varying_mem_p): Move above propagate_rtx.
994 (all_uses_available_at): Do not check MEMs.
996 2008-04-02 Rafael Espindola <espindola@google.com>
998 * tree-vrp.c (extract_code_and_val_from_cond): Remove.
999 (register_edge_assert_for_2): Split the cond argument.
1000 (register_edge_assert_for_1): Adjust for the change in
1001 register_edge_assert_for_2.
1002 (register_edge_assert_for): Split the cond argument.
1003 (find_switch_asserts): Adjust for the change in
1004 register_edge_assert_for.
1006 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
1008 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
1009 * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
1010 offsets for 64-bit mingw.
1011 * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
1012 abi for x86_64-pc-mingw.
1014 2008-04-02 Richard Guenther <rguenther@suse.de>
1016 * tree-vrp.c (extract_range_from_assert): Make sure to not
1017 produce range min/max with TREE_OVERFOW set.
1018 If merging a anti-range and a range keep the anti-range if
1019 the range covers all values of the type.
1020 (register_edge_assert_for_2): Only allow sign-changing
1021 conversions in detecting canonical range checks. Also
1022 register an assert for the unsigned name if useful.
1024 PR tree-optimization/35787
1025 * tree-vrp.c (vrp_val_max): New function.
1026 (vrp_val_min): Likewise.
1027 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
1028 (vrp_val_is_min): Likewise.
1029 (supports_overflow_infinity): Use vrp_val_{min,max}.
1030 (negative_overflow_infinity): Likewise.
1031 (positive_overflow_infinity): Likewise.
1032 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
1033 (is_positive_overflow_infinity): Likewise.
1034 (is_overflow_infinity): Likewise.
1035 (avoid_overflow_infinity): Use vrp_val_{min,max} and
1036 vrp_val_is_{min,max}.
1037 (set_and_canonicalize_value_range): Canonicalize anti-ranges
1038 to ranges if possible. Avoid empty ranges.
1040 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1043 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
1044 the expression is a function address.
1046 2008-04-01 George Helffrich <george@gcc.gnu.org>
1048 PR fortran/PR35154, fortran/PR23057
1049 * fortran/trans-common.c (create_common): Add decl to function
1050 chain to preserve identifier scope in debug output.
1052 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
1053 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
1054 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
1055 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
1057 (dbxout_syms): Check for COMMON-based symbol and wrap in
1058 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
1059 in bracket for efficiency.
1061 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
1062 using DW_TAG_common_block + member offset.
1063 (add_pubname_string): New function.
1064 (dw_expand_expr): New function to find block name and offset for
1066 (common_check): New function to check whether symbol in Fortran COMMON.
1067 (gen_variable_die): If COMMON, use DW_TAG_common_block.
1069 * testsuite/gcc.dg/debug/pr35154.c: New test to check that non-Fortran
1070 use of common is unchanged.
1072 * testsuite/lib/gfortran-dg.exp: New harness to compile Fortran progs
1073 with all combinations of debug options available on target.
1074 * testsuite/gfortran.dg/debug/debug.exp: Ditto.
1075 * testsuite/gfortran.dg/debug/trivial.f: Ditto.
1076 * testsuite/gfortran.dg/debug/pr35154-stabs.f: New test case for
1077 .stabs functionality.
1078 * testsuite/gfortran.dg/debug/pr35154-dwarf2.f: New test case for
1079 DWARF functionality.
1081 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
1084 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
1086 2008-04-02 Ben Elliston <bje@au.ibm.com>
1088 * config/v850/v850.md (casesi): Remove if (0) code.
1089 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1090 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
1092 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
1094 * config/i386/i386.md (rex64suffix): New mode attribute.
1095 (floathi<mode>2): Disable expander for SSE math.
1096 (*floathi<mode>2_1): New insn insn_and_split pattern.
1097 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
1098 corresponding post-reload splitters.
1099 (*floathi<mode>2_i387): New macroized insn pattern.
1100 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
1101 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
1102 insn_and_split pattern.
1103 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
1104 New macroized instruction patterns and corresponding post-reload
1106 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
1107 and corresponding post-reload splitters.
1108 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
1109 New macroized instruction patterns.
1110 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
1111 macroized instruction patterns and corresponding post-reload splitters.
1112 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
1113 corresponding post-reload splitters.
1114 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
1115 New macroized instruction patterns.
1116 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
1117 corresponding post-reload splitters.
1118 (*floatsi<mode>2_i387): New macroized instruction patterns.
1120 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
1122 * config/i386/i386.md (smaxmin): New.
1123 (umaxmin): Likewise.
1124 (maxminiprefix): Likewise.
1125 (maxminfprefix): Likewise.
1126 (<code><mode>3): Likewise.
1127 (smin<mode>3): Removed.
1128 (smax<mode>3): Likewise.
1130 * config/i386/mmx.md (mmx_<code>v2sf3): New.
1131 (mmx_<code>v4hi3): Likewise.
1132 (mmx_<code>v8qi3): Likewise.
1133 (mmx_smaxv2sf3): Removed.
1134 (mmx_sminv2sf3): Likewise.
1135 (mmx_umaxv8qi3): Likewise.
1136 (mmx_smaxv4hi3): Likewise.
1137 (mmx_uminv8qi3): Likewise.
1138 (mmx_sminv4hi3): Likewise.
1140 * config/i386/sse.md (<addsub><mode>3): New.
1141 (*<addsub><mode>3): Likewise.
1142 (<sse>_vm<addsub><mode>3): Likewise.
1143 (<maxmin><mode>3): Likewise.
1144 (*<maxmin><mode>3_finite): Likewise.
1145 (*<maxmin><mode>3): Likewise.
1146 (<sse>_vm<maxmin><mode>3): Likewise.
1147 (sse3_h<addsub>v4sf3): Likewise.
1148 (sse3_h<addsub>v2df3): Likewise.
1149 (<maxmin>v16qi3): Likewise.
1150 (*<maxmin>v16qi3): Likewise.
1151 (<maxmin>v8hi3): Likewise.
1152 (*<maxmin>v8hi3): Likewise.
1153 (*sse4_1_<maxmin><mode>3): Likewise.
1154 (*sse4_1_<maxmin><mode>3): Likewise.
1155 (add<mode>3): Removed.
1156 (*add<mode>3): Likewise.
1157 (<sse>_vmadd<mode>3): Likewise.
1158 (sub<mode>3): Likewise.
1159 (*sub<mode>3): Likewise.
1160 (<sse>_vmsub<mode>3): Likewise.
1161 (smin<mode>3): Likewise.
1162 (*smin<mode>3_finite): Likewise.
1163 (*smin<mode>3): Likewise.
1164 (<sse>_vmsmin<mode>3): Likewise.
1165 (smax<mode>3): Likewise.
1166 (*smax<mode>3_finite): Likewise.
1167 (*smax<mode>3): Likewise.
1168 (<sse>_vmsmax<mode>3): Likewise.
1169 (sse3_haddv4sf3): Likewise.
1170 (sse3_haddv2df3): Likewise.
1171 (sse3_hsubv4sf3): Likewise.
1172 (sse3_hsubv2df3): Likewise.
1173 (umaxv16qi3): Likewise.
1174 (*umaxv16qi3): Likewise.
1175 (smaxv8hi3): Likewise.
1176 (*smaxv8hi3): Likewise.
1177 (*sse4_1_smax<mode>3): Likewise.
1178 (*sse4_1_umax<mode>3): Likewise.
1179 (uminv16qi3): Likewise.
1180 (*uminv16qi3): Likewise.
1181 (sminv8hi3): Likewise.
1182 (*sminv8hi3): Likewise.
1183 (*sse4_1_smin<mode>3): Likewise.
1184 (*sse4_1_umin<mode>3): Likewise.
1186 2008-04-01 Rafael Espindola <espindola@google.com>
1188 * tree-cfg.c (verify_expr): remove in_phi.
1189 (verify_stmt): Don't call walk_tree with verify_expr. Use
1190 is_gimple_min_invariant instead of is_gimple_val.
1192 2008-04-01 Joseph Myers <joseph@codesourcery.com>
1194 * doc/include/gpl_v3.texi: Update for manpage generation.
1195 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
1197 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
1198 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
1199 gpl_v3.texi instead of gpl.texi.
1202 2008-04-01 Jakub Jelinek <jakub@redhat.com>
1205 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
1207 2008-04-01 Rafael Espindola <espindola@google.com>
1209 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
1210 (extract_code_and_val_from_cond): Use
1211 extract_code_and_val_from_cond_with_ops.
1213 2008-04-01 Jan Hubicka <jh@suse.cz>
1215 * function.c (free_after_compilation): Free epilogue_delay_list.
1216 (prepare_function_start): Assert that previous compilation was freed.
1218 2008-04-01 Jan Hubicka <jh@suse.cz>
1219 Jim Wilson <wilson@tuliptree.org>
1220 Andreas Tobler <andreast@gcc.gnu.org>
1223 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
1224 rtl.emit instead cfun->emit.
1225 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
1226 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
1228 2008-04-01 Ben Elliston <bje@au.ibm.com>
1230 * doc/c-tree.texi (Function Basics): Fix grammatical error.
1232 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
1234 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
1236 (fprofile-use): Add var flag_profile_use
1237 * coverage.c (coverage_begin_output): Do not open a gcno file for
1238 output only if -ftest-coverage is set.
1239 Do not add getpwd() to gcda file path.
1240 (build_gcov_info): Check the new flag
1241 flag_profile_datafile_relative_path.
1242 (coverage_init): Use profile_data_prefix.
1243 Read profile counter only if flag_profile_use is set.
1244 * opts.c (common_handle_option): New option fprofile-use=,
1245 fprofile-dir=, fprofile-generate=.
1246 * toplev.c (profile_data_prefix): New variable definition.
1247 * toplev.h (profile_data_prefix): New declaration.
1248 * doc/invoke.tex (Option Summary, Optimization Options):
1251 2008-03-31 James E. Wilson <wilson@tuliptree.org>
1253 * varasm.c (output_constant_pool_1): In LABEL_REF check,
1254 use tmp consistently.
1257 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
1258 * config/ia64/ia64.c (rtx_needs_barrier): Handle
1259 UNSPEC_FR_RECIP_APPROX_RES.
1260 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
1262 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
1265 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
1267 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
1270 * fold-const.c (fold_indirect_ref_1): Support accessing non first
1271 element of the vector via a pointer.
1273 2008-03-31 Ian Lance Taylor <iant@google.com>
1275 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
1277 2008-03-31 Jan Hubicka <jh@suse.cz>
1279 * builtins.c (expand_builtin_setjmp_receiver): Update call of
1280 get_arg_pointer_save_area.
1281 * expr.c (init_expr): Just clear out rtl.expr.
1282 * function.c (free_after_compilation): Clear out whole RTL structure.
1283 (get_func_frame_size): Merge into ...
1284 (get_frame_size): ... this one.
1285 (assign_stack_local_1): Merge into ...
1286 (assign_stack_local): ... this one.
1287 (expand_function_end): Update call of get_arg_pointer_save_area.
1288 (get_art_pointer_save_area): Remove cfun argument.
1289 * function.h (emit_status): regno_pointer_align does not need length
1290 attribute. Move x_regno_reg_rtx to ...
1291 (regno_reg_rtx): ... new global array.
1292 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
1293 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
1294 apply_args_value, forced_labels, stack_pointer_delta):
1296 (struct varasm_status): Move here from varasm.c
1297 (struct rtl_data): New. Move here some fields from struct function.
1298 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
1299 frame_offset, stack_check_probe_note, arg_pointer_save_area,
1300 used_temp_slots avail_temp_slots, temp_slot_level,
1301 nonlocal_goto_handler_labels): Update accesstors.
1302 (rtl): New global variable.
1303 (struct function): Move some fileds to rtl_data.
1304 (get_arg_pointer_save_area): Update prototype.
1305 * emit-rtl.c (rtl): Declare.
1306 (regno_reg_rtx): Declare.
1307 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
1309 (gen_reg_rtx): Update.
1310 (init_virtual_regs): Do not tate emit_status argument.
1311 (init_emit): Do not allocate emit.
1312 * varasm.c (varasm_statuc): Move to function.h.
1313 (n_deferred_constatns): Update accestor.
1314 (init_varasm_status): Do not allocate varasm_status.
1315 (force_const_mem, get_pool_size, output_constant_pool): Update.
1316 * stmt.c (force_label_rtx): Do not use x_ prefixes.
1317 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
1319 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
1321 PR rtl-optimization/35729
1322 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
1325 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
1328 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
1329 load/store if memory is unaligned.
1330 (*movti_rex64): Likewise.
1332 * config/i386/predicates.md (misaligned_operand): New.
1334 2008-03-31 Andrew Pinski <pinskia@gmail.com>
1337 * tree-ssa-phiopt.c (conditional_replacement): Return early for
1340 2008-03-31 Jan Beulich <jbeulich@novell.com>
1342 * config/ia64/constraints.md: Add 'j' constraint.
1343 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
1344 (movdi_internal): Likewise.
1346 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
1349 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
1351 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1354 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
1355 proper error message for the third argument on blendpd and
1358 * config/i386/sse.md (blendbits): New.
1359 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
1361 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
1363 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
1365 2008-03-30 Richard Guenther <rguenther@suse.de>
1368 * fold-const.c (fold_sign_changed_comparison): Do leave
1369 conversions to base-types alone.
1371 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1373 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
1374 the link register if one altivec register is be saved.
1376 2008-03-30 Ben Elliston <bje@au.ibm.com>
1378 * final.c (final_scan_insn): Remove if (0) code.
1380 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
1382 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
1384 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
1386 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
1387 of V4SFmode to ix86_binary_operator_ok.
1389 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
1391 * config/i386/i386.c (override_options): Initialize
1392 ix86_veclib_handler to ix86_veclibabi_svml when
1393 -mveclibabi=svml is used.
1394 (ix86_veclibabi_svml): New function for SVML ABI style
1395 vectorization support.
1396 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
1398 2008-03-28 Rafael Espindola <espindola@google.com>
1400 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
1401 (tree_binary_nonnegative_warnv_p): Make it public.
1402 (tree_single_nonnegative_warnv_p): Make it public.
1403 (tree_invalid_nonnegative_warnv_p): Make it public.
1404 (tree_unary_nonzero_warnv_p): Make it public.
1405 (tree_binary_nonzero_warnv_p): Make it public
1406 (tree_single_nonzero_warnv_p): Make it public.
1407 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
1408 (extract_range_from_binary_expr): Split the expr argument.
1409 (extract_range_from_unary_expr): Split the expr argument.
1410 (extract_range_from_comparison): Split the expr argument.
1411 (extract_range_from_expr): Use the new aux functions.
1412 (vrp_evaluate_conditional_warnv): Use
1413 vrp_evaluate_conditional_warnv_with_ops.
1414 * tree.h (tree_unary_nonzero_warnv_p): Declare.
1415 (tree_binary_nonzero_warnv_p): Declare.
1416 (tree_single_nonzero_warnv_p): Declare.
1417 (tree_expr_nonzero_warnv_p): Declare.
1418 (tree_unary_nonnegative_warnv_p): Declare.
1419 (tree_binary_nonnegative_warnv_p): Declare.
1420 (tree_single_nonnegative_warnv_p): Declare.
1421 (tree_invalid_nonnegative_warnv_p): Declare.
1423 2008-03-28 Richard Guenther <rguenther@suse.de>
1425 PR tree-optimization/30317
1426 PR tree-optimization/30911
1427 PR tree-optimization/34793
1428 * tree-vrp.c (set_and_canonicalize_value_range): New function.
1429 (struct assert_locus_d): New member EXPR.
1430 (register_new_assert_for): Add EXPR parameter to support
1431 ASSERT_EXPR <name, expr OP limit>.
1432 (register_edge_assert_for_1): Adjust callers.
1433 (find_assert_locations): Likewise.
1434 (process_assert_insertions_for): Build condition from expression.
1435 (extract_range_from_assert): Handle ASSERT_EXPRs
1436 of the form ASSERT_EXPR <name, expr OP limit>.
1437 (register_edge_assert_for_2): New helper registering
1438 asserts for comparisons. Recognize range tests of the form
1439 (unsigned)i - CST1 OP CST2.
1440 (register_edge_assert_for_1): Use it.
1441 (register_edge_assert_for): Likewise.
1442 (needs_overflow_infinity): Integer sub-types
1443 do not need overflow infinities.
1444 (vrp_val_is_max): The extreme values of integer sub-types
1445 are those of the base type.
1446 (vrp_val_is_min): Likewise.
1447 * tree.def (ASSERT_EXPR): Document extra allowed conditional
1450 2008-03-28 Nick Clifton <nickc@redhat.com>
1452 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
1453 Return GENERAL_REGS for stack adjustment reloads.
1455 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1458 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
1459 const_vector when all the vectors are constant.
1461 2008-03-27 Bob Wilson <bob.wilson@acm.org>
1463 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
1465 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
1466 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
1468 (s<code>_sf): Use new scc_sf attribute for opcode names.
1470 2008-03-27 Tom Tromey <tromey@redhat.com>
1472 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
1473 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
1474 config/spu/t-spu-elf, config/i386/t-interix,
1475 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
1476 config/i386/x-darwin, config/i386/x-mingw32,
1477 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
1478 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
1479 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
1480 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
1481 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
1482 config/rs6000/x-darwin, config/rs6000/t-rs6000,
1483 config/score/t-score-elf, config/arm/t-strongarm-pe,
1484 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
1485 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
1486 Revert automatic dependency patch.
1488 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
1491 * config/i386/i386.c (ix86_function_arg_boundary): Align
1492 decimal floating point to its natural boundary.
1494 2008-03-27 Richard Guenther <rguenther@suse.de>
1497 * fold-const.c (fold_comparison): Restrict distinct decl
1498 comparison folding to VAR_DECLs and PARM_DECLs. Do not
1499 solely rely on operand_equal_p.
1501 2008-03-27 Richard Guenther <rguenther@suse.de>
1504 * c-common.c (handle_weak_attribute): Reject combination of
1507 2008-03-27 Richard Guenther <rguenther@suse.de>
1509 PR tree-optimization/32810
1510 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
1511 conversions from DECL_INITIAL.
1512 (fold_const_aggregate_ref): Likewise from constructor elements.
1514 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
1516 * tree-affine.h (aff_combination_expand): Declare.
1517 (get_inner_reference_aff): Likewise.
1518 * tree-affine.c (aff_combination_expand): Split out from
1519 tree_to_aff_combination_expand.
1520 (get_inner_reference_aff): New function.
1521 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
1522 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
1523 (struct lim_aux_data): sm_done field removed.
1524 (mem_ref_loc_p, mem_ref_locs_p): New types.
1525 (struct mem_ref): Added id, stored, accesses_in_loop,
1526 indep_loop, dep_loop, indep_ref, dep_ref fields.
1527 Removed is_stored, locs and next fields.
1528 (memory_accesses): New variable.
1529 (movement_possibility): Do not allow moving statements
1530 that store to memory.
1531 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
1533 (determine_max_movement): For statements with memory references,
1534 find the outermost loop in that the reference is independent.
1535 (move_computations_stmt): Mark the virtual operands for renaming.
1536 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
1537 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
1538 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
1539 add_vop_ref_mapping, create_vop_ref_mapping_loop,
1540 create_vop_ref_mapping, analyze_memory_references,
1541 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
1542 get_all_locs_in_loop, ref_always_accessed_p,
1543 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
1544 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
1545 store_motion_loop, store_motion): New functions.
1546 (struct vop_to_refs_elt): New type.
1547 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
1548 memref_hash, memref_eq, hoist_memory_references): Rewritten.
1549 (schedule_sm): Replaced by...
1550 (execute_sm): ... this.
1551 (determine_lsm_ref, hoist_memory_references,
1552 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
1553 find_more_ref_vops, free_mem_ref, free_mem_refs,
1554 determine_lsm_loop, determine_lsm): Removed.
1555 (tree_ssa_lim_finalize): Free data structures used by store motion.
1556 (tree_ssa_lim): Call analyze_memory_references. Use
1557 store_motion instead of determine_lsm.
1559 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
1561 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
1562 rename tmake_file to m68hc11/t-m68hc11.
1563 (mcore): Set inhibit_libc to true.
1564 * config.host (alpha*-dec-*vms*): Set extra_programs.
1565 (interix3*): Don't use host_xmake_file.
1566 * configure.ac: Let config.gcc override inhibit_libc.
1567 * configure: Regenerate.
1569 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
1570 * config/t-openbsd-thread: Remove commented out lines.
1572 * config/x-interix: Remove.
1574 * config/m68hc11/t-m68hc11-gas: Rename to...
1575 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
1577 * config/mcore/t-mcore: Remove T_CFLAGS.
1578 * config/mcore/t-mcore-pe: Likewise.
1580 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
1582 * configure.ac: Replace custom __GNU_SOURCE test with
1583 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
1584 * aclocal.m4: Regenerate.
1585 * configure: Regenerate.
1586 * config.in: Regenerate.
1588 2008-03-27 Richard Guenther <rguenther@suse.de>
1590 * fold-const.c (target.h): Include.
1591 (fold_comparison): Fold comparison of addresses of decls
1592 that bind locally or of constants. Consolidate address folding code.
1593 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
1594 results from fold_binary_to_constant.
1595 (compare_values_warnv): Likewise.
1597 2008-03-27 Andrew Pinski <pinskia@gmail.com>
1600 * fold-const.c (fold_truthop): Check for integeral types when folding
1601 a == 0 && b == 0 and a != 0 || b != 0 .
1603 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
1605 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
1607 2008-03-26 Andreas Schwab <schwab@suse.de>
1609 * doc/invoke.texi: Fix use of @item vs. @itemx.
1611 2008-03-26 Tom Tromey <tromey@redhat.com>
1613 * Makefile.in (build/gensupport.o, build/print-rtl.o,
1614 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
1615 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
1616 build/gencodes.o, build/genconditions.o, build/genconfig.o,
1617 build/genconstants.o, build/genemit.o, build/genextract.o,
1618 build/genflags.o, build/genmddeps.o, build/genopinit.o,
1619 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
1622 2008-03-26 Richard Guenther <rguenther@suse.de>
1625 2008-03-26 Richard Guenther <rguenther@suse.de>
1627 * fold-const.c (target.h): Include.
1628 (fold_comparison): Fold comparison of addresses of two decls
1629 that bind locally. Consolidate address folding code.
1631 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1633 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
1634 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
1635 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
1636 dconstsqrt2, dconstthird, dconste and/or dconst10.
1637 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
1638 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
1639 dconstsqrt2, dconste): Delete.
1640 (init_emit_once): Likewise. Simplify initializing dconstm1.
1642 * real.c (get_real_const): New.
1643 * real.h (dconst3, dconst10, dconstm2, dconstthird,
1644 dconstsqrt2, dconste): Delete.
1645 (real_value_const, get_real_const): New.
1647 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
1649 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
1651 * config/i386/i386.c (ix86_function_arg_boundary): Check
1652 BIGGEST_ALIGNMENT instead of 128.
1653 (setup_incoming_varargs_64): Likewise.
1655 2008-03-26 Tom Tromey <tromey@redhat.com>
1657 * Makefile.in (DEPFILES): Add missing '/'.
1659 2008-03-26 Richard Guenther <rguenther@suse.de>
1661 * fold-const.c (target.h): Include.
1662 (fold_comparison): Fold comparison of addresses of two decls
1663 that bind locally. Consolidate address folding code.
1665 2008-03-26 Nick Clifton <nickc@redhat.com>
1668 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
1669 not allow INT+INT as a legitimate addressing mode.
1671 2008-03-26 Richard Guenther <rguenther@suse.de>
1673 * tree-flow.h (widen_bitfield): Remove declaration.
1674 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
1675 (widen_bitfield): Remove function.
1676 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
1679 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
1682 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
1685 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
1687 PR rtl-optimization/35232
1688 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1689 (forget_old_reloads_1, forget_marked_reloads): Don't clear
1690 reg_reloaded_call_part_clobbered here.
1691 (reload_regs_reach_end_p): New function.
1692 (reload_reg_rtx_for_input): New variable.
1693 (reload_reg_rtx_for_output): Likewise.
1694 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1695 when reassigning a pseudo register. Load reloadreg from
1696 reload_reg_rtx_for_input, moving the mode and register
1698 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
1699 instead of the original when deciding whether an input reload
1700 would be a no-op or whether an output reload can be deleted.
1701 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1702 when setting up new_spill_reg_store. Load it from
1703 reload_reg_rtx_for_output, moving the mode and register
1705 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
1706 instead of the original when deciding whether an output reload
1707 would be a no-op. Do the same when modifying insn notes.
1708 Use rtx_equal_p instead of == to compare the registers.
1709 (inherit_piecemeal_p): Take a mode and two register numbers
1711 (emit_reload_insns): Clear new_spill_reg_store for every hard
1712 register in the reload register. Remove spill registers
1713 from reg_reloaded_valid before considering whether to record
1714 inheritance information for them. Use reload_reg_rtx_for_output
1715 instead of reg_rtx when recording output reloads. Use
1716 reload_reg_rtx_for_input instead of reg_rtx when recording
1717 input reloads. Set or clear reg_reloaded_call_part_clobbered
1718 at the same time as setting reg_reloaded_valid.
1719 (delete_output_reload): Add a new_reload_reg parameter and use it
1720 instead of rld[j].reg_rtx.
1721 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1724 2008-03-25 Tom Tromey <tromey@redhat.com>
1726 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1727 (build/genattr.o): Likewise.
1728 (build/genattrtab.o): Likewise.
1729 (build/gencodes.o): Likewise.
1730 (build/genconfig.o): Likewise.
1731 (build/genconstants.o): Likewise.
1732 (build/genemit.o): Likewise.
1733 (build/genextract.o): Likewise.
1734 (build/genflags.o): Likewise.
1736 2008-03-25 Bob Wilson <bob.wilson@acm.org>
1738 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1739 instead of size_int for integer types.
1740 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
1741 to match type of MINUS_EXPR.
1743 2008-03-25 Tom Tromey <tromey@redhat.com>
1745 * configure: Rebuilt.
1746 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1749 2008-03-25 Tom Tromey <tromey@redhat.com>
1751 * config/x-solaris (host-solaris.o): Update.
1752 * config/x-linux (host-linux.o): Update.
1753 * config/x-hpux (host-hpux.o): Update.
1754 * config/x-darwin (host-darwin.o): Update.
1755 * config/v850/t-v850e (v850-c.o): Update.
1756 * config/v850/t-v850 (v850-c.o): Update.
1757 * config/t-vxworks (vxworks.o): Update.
1758 * config/t-sol2 (sol2-c.o, sol2.o): Update.
1759 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1760 * config/spu/t-spu-elf (spu-c.o): Update.
1762 * config/sh/t-symbian (sh-c.o): Update.
1763 (symbian.o): Update.
1764 * config/sh/t-sh (sh-c.o): Update.
1765 * config/score/t-score-elf (score7.o, score3.o): Update.
1766 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1767 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1768 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1769 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1771 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1772 * config/m32c/t-m32c (m32c-pragma.o): Update.
1773 * config/ia64/t-ia64 (ia64-c.o): Update.
1774 * config/i386/x-mingw32 (host-mingw32.o): Update.
1775 * config/i386/x-i386 (driver-i386.o): Update.
1776 * config/i386/x-darwin (host-i386-darwin.o): Update.
1777 * config/i386/x-cygwin (host-cygwin.o): Update.
1778 * config/i386/t-nwld (nwld.o): Update.
1779 * config/i386/t-netware (netware.o): Update.
1780 * config/i386/t-interix (winnt.o): Update.
1781 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1782 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1783 msformat-c.o): Update.
1784 * config/bfin/t-bfin-linux (generated_files): Add
1785 linux-sysroot-suffix.h.
1786 * config/arm/t-wince-pe (pe.o): Update.
1787 * config/arm/t-strongarm-pe (pe.o): Update.
1788 * config/arm/t-pe (pe.o): Update.
1789 * config/arm/t-arm (arm-c.o): Update.
1790 * doc/install.texi (Prerequisites): Require make 3.80.
1791 * Makefile.in: Remove .o targets.
1792 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1793 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1794 (simple_generated_h, simple_generated_c): Move earlier.
1795 (generated_files): New variable.
1796 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1797 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1798 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1799 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1800 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1801 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1802 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1803 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1804 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1805 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1806 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1807 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1809 (COMPILE.base, COMPILE): New variables.
1810 (%.o): New pattern rule.
1811 (ALL_HOST_OBJS): New variable.
1812 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1813 (dummy-checksum.o, cc1-checksum.o): Remove.
1814 (DRIVER_SHLIB): New variable.
1815 (DRIVER_DEFINES): Use it.
1816 (gencondmd.c): Move out of build/.
1817 (s-conditions): Update.
1818 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1819 (ALL_BUILD_OBJS): Likewise.
1820 (build/%.o): Use BUILDCOMPILE.
1821 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1822 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1823 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1824 build/gencheck.o, build/gencodes.o, build/genconditions.o,
1825 build/genconfig.o, build/genconstants.o, build/genemit.o,
1826 build/genextract.o, build/genflags.o, build/genmddeps.o,
1827 build/genopinit.o, build/genoutput.o, build/genpeep.o,
1828 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1829 build/gen-protos.o, build/scan.o, build/fix-header.o,
1830 build/scan-decls.o): Simplify.
1831 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1832 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1833 prefix.o, toplev.o): Reduce to variable setting.
1834 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
1835 ($(out_object_file), gcc-options.o): New targets.
1836 ($(ALL_HOST_OBJS)): New target. Include dependency files.
1837 * configure: Rebuilt.
1838 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1839 * doc/sourcebuild.texi (Front End Directory): Document new variable.
1841 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
1843 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1844 complain when we hit an error, return ERROR_MARK_NODE.
1846 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
1848 * config/sh/constraints.md (Pso, Psz): New constraints.
1849 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1850 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1852 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
1854 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1855 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1857 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
1859 * config/sh/sh.md (prefetch): Add condition for SH2A target.
1860 (prefetch_sh2a): New.
1862 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
1863 Naveen.H.S <naveen.hs@kpitcummins.com>
1865 * config/sh/constraints.md (I28): New constraint.
1866 * config/sh/sh.c (broken_move): Add support for movi20s.
1867 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1869 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
1870 Jayant Sonar <Jayant.sonar@kpitcummins.com>
1871 Naveen.H.S <naveen.hs@kpitcummins.com>
1873 * config/sh/sh.c (SH_ATTRIBUTES): Define.
1874 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1875 (print_operand): Handle resbank in %@ operand code.
1876 (sh_encode_section_info): New.
1877 (push_regs): Add conditions for resbank.
1878 (sh_expand_epilogue): Likewise.
1879 (sh_insert_attributes): Likewise.
1880 (sh_attribute_table): Likewise.
1881 (sh_handle_resbank_handler_attribute): New.
1882 (sh2a_handle_function_vector_handler_attribute): New.
1883 (sh2a_is_function_vector_call): New.
1884 (sh2a_get_function_vector_number): New.
1885 (sh2a_function_vector_p): New.
1886 (sh_cfun_resbank_handler_p): New.
1887 * config/sh/sh.md (calli): Emit jsr/n if possible.
1888 (calli_tbr_rel): New.
1889 (calli_pcrel): Emit jsr/n if possible.
1890 (return_i): Emit rts/n if possible.
1891 (call_valuei_tbr_rel): New.
1892 (call_valuei_pcrel): Add condition for SH2A target.
1893 (call_value): Likewise.
1894 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1895 (sh2a_get_function_vector_number): Likewise.
1896 (sh2a_is_function_vector_call): Likewise.
1897 * doc/extend.texi: Document TBR relative addressing of SH2A.
1898 (resbank): Add description for SH2A.
1900 2008-03-24 Richard Guenther <rguenther@suse.de>
1903 * gimplify.c (gimplify_modify_expr): For frontend type-correct
1904 pointer assignments change conversions according to middle-end rules.
1905 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1906 * configure.ac: Include type checking in yes.
1907 * configure: Regenerate.
1909 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1911 * diagnostic.c (diagnostic_count_diagnostic): Delete.
1912 (diagnostic_report_diagnostic): Update. Handle ICEs here.
1914 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
1916 * gthr-vxworks.h (UNUSED): Define.
1918 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
1920 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1922 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
1924 * doc/extend.texi (Function Attributes): Add missing comma in the
1925 example of the "alloc_size" attribute.
1927 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
1930 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
1932 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1935 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
1938 * stor-layout.c (update_alignment_for_field): Set minimum alignment
1939 of the underlying type of a MS bitfield layout to the natural
1940 alignment of the type.
1942 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
1944 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1945 to their natural alignment to avoid store forwarding stalls.
1947 2008-03-22 Richard Guenther <rguenther@suse.de>
1949 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1950 For PHI nodes verify the address is invariant.
1951 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1952 (get_symbol_constant_value): Use is_gimple_min_invariant.
1953 (maybe_fold_stmt_indirect): Likewise.
1955 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
1957 PR rtl-optimization/33927
1958 * Makefile.in (dse.o): Depend on $(TM_P_H).
1959 * expr.h (extract_low_bits): Declare.
1960 * expmed.c (extract_low_bits): New function.
1961 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1962 * dse.c: Include tm_p.h.
1963 (find_shift_sequence): Remove the read_reg argument and return the
1964 read value. Emit the instructions instead of returning them.
1965 Iterate on new_mode rather than calculating it each time.
1966 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
1967 source to NEW_MODE and extract_low_bits to convert the shifted
1969 (replace_read): Allow the load and store to have different mode
1970 classes. Use extract_low_bits when SHIFT == 0. Create the shift
1971 or extraction instructions before trying the replacement. Update
1972 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1974 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
1976 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1977 to their natural alignment to avoid store forwarding stalls.
1979 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
1982 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1983 encouraging but not allowing gprs for input;
1984 change the input constraint to !f#r.
1985 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1987 change the output constraint to !f#r.
1989 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
1992 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1993 corresponding post-reload splitters.
1994 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1995 when x87 FP math is selected.
1996 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1997 New function prototype.
1998 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1999 unreachable function to ease macroization of insn patterns.
2001 2008-03-21 Martin Jambor <mjambor@suse.cz>
2003 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
2004 reference dumps if ddr is NULL or dependence is unknown.
2006 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2008 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
2009 unsigned extension into account.
2010 (ATOMIC_COMPARE_AND_SWAP): Likewise.
2011 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
2012 Do computations on a scratch register.
2014 2008-03-21 Richard Guenther <rguenther@suse.de>
2016 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2017 Use is_gimple_min_invariant instead of TREE_INVARIANT.
2018 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
2019 * tree-ssa-dom.c (record_equality): Likewise.
2020 * tree-inline.c (copy_body_r): Likewise.
2021 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
2024 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2026 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
2027 as 'delete_unused' argument.
2029 2008-03-20 Richard Guenther <rguenther@suse.de>
2031 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2032 special casing of constant qualifiers.
2033 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
2034 care about them in general.
2035 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
2036 regardless of their type.
2037 (fold_stmt_r): Forcefully fold *& if we end up with that.
2039 2008-03-20 Paul Brook <paul@codesourcery.com>
2041 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
2042 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
2044 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
2046 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
2047 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
2049 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
2051 * common.opt (Wmudflap): New option.
2052 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
2053 (mx_register_decls): Likewise.
2054 (mudflap_finish_file): Likewise.
2055 * doc/invoke.texi: Document -Wno-mudflap.
2057 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
2059 * c-format.c (replace_format_name_to_system_name): New.
2061 (convert_format_name_to_system_name): New.
2062 (decode_format_attr): Add use of convert_format_name_to_system_name.
2063 (format_types_orig): Add gnu_ prefix to names.
2064 (check_format_info_main): Special treating of \0 escaped names for
2065 supporting multi-character format specifiers as I32, I64.
2066 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
2067 (gnu_target_overrides_format_attributes): New.
2068 * c-format.h: Add structure target_ovr_attr to hold
2069 system specific formatter names.
2070 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
2071 msformat-c.o file to c_target_objs and cxx_target_objs.
2072 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2073 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
2074 (TARGET_N_FORMAT_TYPES): New.
2075 * config/i386/msformat-c.c: New.
2076 * config/i386/t-cygming: Add build rule for msformat-c.o.
2077 * doc/extend.texi: Add new format names gnu_* and ms_* and
2079 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2081 2008-03-20 Ira Rosen <irar@il.ibm.com>
2083 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
2084 optimizations turned on under -O3.
2085 (ftree-vectorize): Add that the flag is turned on with -O3.
2087 2008-03-20 Ben Elliston <bje@au.ibm.com>
2089 * regmove.c (try_auto_increment): Fix spelling error in comment.
2090 * final.c (final_scan_insn): Likewise.
2092 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
2095 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
2096 allocator preferences for "y" and "r" class registers.
2097 ("*mov<mode>_internal"): Ditto.
2098 ("*movv2sf_internal_rex64"): Ditto.
2099 ("*movv2sf_internal"): Ditto.
2101 2008-03-19 Michael Matz <matz@suse.de>
2104 * calls.c (expand_call): Check overlap of arguments with call
2105 address for sibcalls.
2107 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2110 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2111 of the underlying type of a MS bitfield layout to the natural
2112 alignment of the type.
2114 2008-03-19 Jan Hubicka <jh@suse.cz>
2117 * toplev.c (decode_d_option): Handle all CPP flags.
2118 * tree-vrp.c: Update tree_pass descriptors.
2119 * regrename.c: Update tree_pass descriptors.
2120 * fwprop.c: Update tree_pass descriptors.
2121 * doc/invoke.texi: Remove documentation of dropped -d? flags.
2122 * tree-into-ssa.c: Update tree_pass descriptors.
2123 * tree-dump.c: Update tree_pass descriptors.
2124 * tree-complex.c: Update tree_pass descriptors.
2125 * tree-dump.h: Update tree_pass descriptors.
2126 * see.c: Update tree_pass descriptors.
2127 * cgraphbuild.c: Update tree_pass descriptors.
2128 * tracer.c: Update tree_pass descriptors.
2129 * tree-loop-distribution.c: Update tree_pass descriptors.
2130 * cgraph.c: Update tree_pass descriptors.
2131 * postreload-gcse.c: Update tree_pass descriptors.
2132 * postreload.c: Update tree_pass descriptors.
2133 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
2134 * tree-tailcall.c: Update tree_pass descriptors.
2135 * tree-pass.h (tree_opt_pass): Rename to ...
2136 (opt_pass) ... this one; add "type" field and remove letter field.
2137 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
2138 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
2139 all_lowering_passes): Update declaration.
2140 * ipa-cp.c: Update tree_pass descriptors.
2141 * final.c: Update tree_pass descriptors.
2142 * omp-low.c: Update tree_pass descriptors.
2143 * tree-ssa-dse.c: Update tree_pass descriptors.
2144 * ipa-reference.c: Update tree_pass descriptors.
2145 * tree-ssa-uncprop.c: Update tree_pass descriptors.
2146 * auto-inc-dec.c: Update tree_pass descriptors.
2147 * reorg.c: Update tree_pass descriptors.
2148 * cgraphunit.c: Update tree_pass descriptors.
2149 * tree-ssa-copyrename.c: Update tree_pass descriptors.
2150 * tree-ssa-ccp.c: Update tree_pass descriptors.
2151 * df-core.c: Update tree_pass descriptors.
2152 * mode-switching.c: Update tree_pass descriptors.
2153 * tree-nomudflap.c: Update tree_pass descriptors.
2154 * modulo-sched.c: Update tree_pass descriptors.
2155 * ipa-pure-const.c: Update tree_pass descriptors.
2156 * cse.c: Update tree_pass descriptors.
2157 * web.c: Update tree_pass descriptors.
2158 * tree-stdarg.c: Update tree_pass descriptors.
2159 * tree-ssa-math-opts.c: Update tree_pass descriptors.
2160 * tree-ssa-dom.c: Update tree_pass descriptors.
2161 * tree-nrv.c: Update tree_pass descriptors.
2162 * tree-ssa-alias.c: Update tree_pass descriptors.
2163 * loop-init.c: Update tree_pass descriptors.
2164 * gimple-low.c: Update tree_pass descriptors.
2165 * ipa-inline.c: Update tree_pass descriptors.
2166 * tree-ssa-sink.c: Update tree_pass descriptors.
2167 * global.c: Update tree_pass descriptors.
2168 * ifcvt.c: Update tree_pass descriptors.
2169 * jump.c: Update tree_pass descriptors.
2170 * predict.c: Update tree_pass descriptors.
2171 * tree-ssa-loop.c: Update tree_pass descriptors.
2172 * recog.c: Update tree_pass descriptors.
2173 * dse.c: Update tree_pass descriptors.
2174 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
2175 * tree-eh.c: Update tree_pass descriptors.
2176 * regmove.c: Update tree_pass descriptors.
2178 * function.c: Update tree_pass descriptors.
2179 * tree-vectorizer.c: Update tree_pass descriptors.
2180 * gcse.c: Update tree_pass descriptors.
2181 * ipa-type-escape.c: Update tree_pass descriptors.
2182 * tree-if-conv.c: Update tree_pass descriptors.
2183 * init-regs.c: Update tree_pass descriptors.
2184 * ipa.c: Update tree_pass descriptors.
2185 * tree-ssa-phiopt.c: Update tree_pass descriptors.
2186 * rtl-factoring.c: Update tree_pass descriptors.
2187 * lower-subreg.c: Update tree_pass descriptors.
2188 * bt-load.c: Update tree_pass descriptors.
2189 * tree-dfa.c: Update tree_pass descriptors.
2190 * except.c: Update tree_pass descriptors.
2191 * emit-rtl.c: Update tree_pass descriptors.
2192 * cfgexpand.c: Update tree_pass descriptors.
2193 * tree-cfgcleanup.c: Update tree_pass descriptors.
2194 * cfgcleanup.c: Update tree_pass descriptors.
2195 * tree-ssa-pre.c: Update tree_pass descriptors.
2196 * tree-sra.c: Update tree_pass descriptors.
2197 * tree-mudflap.c: Update tree_pass descriptors.
2198 * tree-ssa-copy.c: Update tree_pass descriptors.
2199 * cfglayout.c: Update tree_pass descriptors.
2200 * tree-ssa-forwprop.c: Update tree_pass descriptors.
2201 * tree-ssa-dce.c: Update tree_pass descriptors.
2202 * tree-ssa.c: Update tree_pass descriptors.
2203 * regclass.c: Update tree_pass descriptors.
2204 * integrate.c: Update tree_pass descriptors.
2205 * tree-optimize.c: Update tree_pass descriptors.
2206 * tree-ssa-phiprop.c: Update tree_pass descriptors.
2207 * tree-object-size.c: Update tree_pass descriptors.
2208 * combine.c: Update tree_pass descriptors.
2209 * tree-outof-ssa.c: Update tree_pass descriptors.
2210 * bb-reorder.c: Update tree_pass descriptors.
2211 * stack-ptr-mod.c: Update tree_pass descriptors.
2212 * var-tracking.c: Update tree_pass descriptors.
2213 * tree-profile.c: Update tree_pass descriptors.
2214 * tree-vect-generic.c: Update tree_pass descriptors.
2215 * reg-stack.c: Update tree_pass descriptors.
2216 * sched-rgn.c: Update tree_pass descriptors.
2217 * tree-ssa-structalias.c: Update tree_pass descriptors.
2218 * tree-cfg.c: Update tree_pass descriptors.
2219 * passes.c (current_pass): Update declaration.
2220 (finish_optimization_passes): Update.
2221 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
2222 (register_one_dump_file, register_dump_files_1, next_pass_1):
2224 (init_optimization_passes): Update handling of new types.
2225 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
2226 * ipa-struct-reorg.c: Update tree_pass descriptors.
2227 * tree-ssa-reassoc.c: Update tree_pass descriptors.
2228 * combine-stack-adj.c: Update tree_pass descriptors.
2229 * cfgrtl.c: Update tree_pass descriptors.
2230 * dce.c: Update tree_pass descriptors.
2231 * tree-ssanames.c: Update tree_pass descriptors.
2233 2008-03-19 Richard Guenther <rguenther@suse.de>
2236 * tree-ssa.c (walk_data): New structure.
2237 (warn_uninitialized_var): If not always_executed warn with "maybe"
2239 (execute_early_warn_uninitialized): Compute post-dominators.
2240 Initialize always_executed before processing each basic block.
2242 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
2245 * config/i386/i386.c (x86_this_parameter): Calculate correct location
2246 of "this" pointer when "regparm = N" or "fastcall" is in effect.
2248 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2250 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
2252 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
2254 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
2256 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
2257 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
2258 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
2259 target after ignore has been set, and move there also the commputation
2260 of subtarget and original_target.
2261 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
2262 (LANG_HOOKS_INITIALIZER): Remove it.
2263 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
2265 2008-03-18 Richard Guenther <rguenther@suse.de>
2267 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
2268 found an expression with constants, note that in the VN for the lhs.
2269 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
2270 fold them to constants if possible. Run cleanup_cfg if done so.
2271 (execute_pre): Return todo.
2273 (execute_fre): Likewise.
2274 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
2276 (get_prop_source_stmt): Look through pointer conversions.
2278 2008-03-18 Jan Hubicka <jh@suse.cz>
2280 * tree-pretty-print.c: Include predict.h.
2281 (dump_generic_node): Dump predictor.
2282 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
2283 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
2284 * gimple-low.c (lower_stmt): Likewise.
2285 * expr.c (expand_expr_real): Likewise.
2286 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
2288 (build_predict_expr, build_predict_expr): New.
2289 * predict.h (predictor_name, build_predict_expr): Update.
2290 * c-typeck.c (c_finish_bc_stmt): Add prediction.
2291 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
2292 * predict.def (PRED_CONTINUE): Update hitrate.
2293 * tree.def (PREDICT_EXPR): Define.
2294 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
2295 do not handle BIND_EXPR.
2296 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
2297 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
2298 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
2301 2008-03-18 Michael Matz <matz@suse.de>
2303 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
2305 2008-03-18 Richard Guenther <rguenther@suse.de>
2307 * tree-gimple.h (is_gimple_invariant_address): Declare.
2308 (is_gimple_constant): Likewise.
2309 * tree-gimple.c (is_gimple_constant): New function.
2310 (is_gimple_invariant_address): Likewise.
2311 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
2312 and is_gimple_invariant_address.
2313 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
2315 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
2316 an addressable base.
2318 2008-03-18 Jakub Jelinek <jakub@redhat.com>
2321 * gimplify.c (gimplify_expr): Gimplify second operand of
2324 2008-03-17 Richard Guenther <rguenther@suse.de>
2326 PR tree-optimization/19637
2327 * fold-const.c (fold_unary): Remove restrictions of removing
2328 intermediate pointer-conversions (P2)(P1)P0.
2329 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
2330 conversion to void pointer.
2331 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
2333 2008-03-16 James E. Wilson <wilson@tuliptree.org>
2336 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
2337 emulated thread local variables.
2339 2008-03-16 Richard Guenther <rguenther@suse.de>
2342 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
2343 expand TREE_INVARIANT operations that are not gimple invariant.
2345 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
2347 * doc/extend.texi (Alignment): Say that the ABI controls
2348 the __alignof__ for non-strict-alignment targets rather
2349 than being a recommendation.
2351 2008-03-15 Paul Brook <paul@codesourcery.com>
2353 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
2355 (arm_output_fn_unwind): Mark functions that can not be unwound.
2357 2008-03-15 Paul Brook <paul@codesourcery.com>
2359 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
2360 extension instructions.
2362 2008-03-15 Richard Guenther <rguenther@suse.de>
2364 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
2365 and fold constant aggregate refs.
2366 (fold_const_aggregate_ref): Handle string constants
2367 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
2368 (evaluate_stmt): Simplify now that ccp_fold folds constant
2371 2008-03-15 Paul Brook <paul@codesourcery.com>
2373 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
2374 (extzv): Use gen_extzv_t2.
2375 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
2377 2008-03-15 Richard Guenther <rguenther@suse.de>
2379 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
2380 (fold_const_aggregate_ref): Likewise.
2381 (get_value): Return NULL if we don't have any values.
2382 (ccp_finalize): Set const_val to NULL after freeing it.
2383 * tree-flow.h (get_symbol_constant_value): Declare.
2384 (fold_const_aggregate_ref): Likewise.
2385 * tree-ssa-sccvn.c (try_to_simplify): Use them.
2387 2008-03-15 Richard Guenther <rguenther@suse.de>
2390 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
2391 to not produce negative array indices if not allowed. Add
2392 parameter to indicate that.
2393 (maybe_fold_offset_to_component_ref): Allow negative array
2394 indices only for the first member of a structure.
2395 (maybe_fold_offset_to_reference): Allow negative array indices.
2396 (maybe_fold_stmt_addition): Likewise.
2398 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
2399 Anatoly Sokolov <aesok@post.ru>
2401 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
2402 (avr_arch): Add ARCH_AVR6.
2403 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
2404 (initial_elimination_offset): Initialize and use 'avr_pc_size'
2405 instead of fixed value 2.
2406 (print_operand_address): Use gs() asm specifier instead of pm().
2407 (avr_assemble_integer): (Ditto.).
2408 (avr_output_addr_vec_elt): (Ditto.).
2409 (print_operand): Handle "!" code.
2410 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
2411 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
2412 (AVR_HAVE_EIJMP_EICALL): Define.
2413 (AVR_3_BYTE_PC): Redefine.
2414 (AVR_2_BYTE_PC): (Ditto.).
2415 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
2416 (LINK_SPEC): Add atmega2560 and atmega2561.
2417 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
2419 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
2420 for 3 byte PC devices.
2421 (call_value_insn): (Ditto.).
2422 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
2423 (indirect_jump): Use only for for 2 byte PC devices.
2424 (*tablejump): (Ditto.).
2425 (*indirect_jump_avr6): Add insn.
2426 (*tablejump_rjmp): Don't use for 3 byte PC devices.
2427 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
2428 instead of ijmp for 3 byte PC devices.
2429 (__tablejump2__): (Ditto.).
2430 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
2431 (MULITLIB_DIRNAMES): (Ditto.).
2432 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
2434 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
2436 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
2437 "sse2_umulsidi3". Use V1DI mode for operand 0.
2438 ("mmx_psadbw"): Use V1DI mode for operand 0.
2439 * config/i386/i386-modes.def (V1SI): New vector mode.
2440 * config/i386/i386.c (struct builtin_description)
2441 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
2442 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
2443 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
2444 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
2445 v1di_ftype_v8qi_v8qi type.
2446 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
2448 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
2449 __builtin_ia32_pmuludq]: Fix the mode of return value.
2451 2008-03-15 Richard Guenther <rguenther@suse.de>
2454 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
2457 2008-03-14 Bob Wilson <bob.wilson@acm.org>
2459 * doc/invoke.texi (Option Summary, Xtensa Options): Document
2460 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
2461 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
2462 unless TARGET_SERIALIZE_VOLATILE is enabled.
2463 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
2464 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
2465 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
2467 2008-03-14 Richard Guenther <rguenther@suse.de>
2469 PR tree-optimization/34172
2470 * tree-flow.h (refs_may_alias_p): Declare.
2471 (get_single_def_stmt): Likewise.
2472 (get_single_def_stmt_from_phi): Likewise.
2473 (get_single_def_stmt_with_phi): Likewise.
2474 * tree-dfa.c (refs_may_alias_p): New function.
2475 (get_single_def_stmt): Likewise.
2476 (get_single_def_stmt_from_phi): Likewise.
2477 (get_single_def_stmt_with_phi): Likewise.
2478 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
2479 (vn_reference_lookup_1): New helper function.
2480 (vn_reference_lookup): Walk the virtual use-def chain to
2481 continue searching for a match if the def does not alias the
2482 reference we are looking for.
2484 2008-03-14 David Edelsohn <edelsohn@gnu.org>
2486 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
2487 archive and Perzl. Update The Written Word listing.
2489 2008-03-14 Richard Guenther <rguenther@suse.de>
2491 PR tree-optimization/34043
2492 PR tree-optimization/33989
2493 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
2495 (bitmap_find_leader): Use extra argument to verify dominance
2496 relationship inside a basic-block.
2497 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
2498 (find_leader_in_sets): Adjust.
2499 (create_component_ref_by_pieces): Take extra argument for
2500 dominance check, handle lookup failures.
2501 (find_or_generate_expression): Likewise.
2502 (create_expression_by_pieces): Likewise.
2503 (insert_into_preds_of_block): Adjust.
2504 (create_value_expr_from): If asked for, verify all operands
2505 are in the blocks AVAIL_OUT set.
2506 (make_values_for_stmt): Check for SSA_NAMEs that are life
2507 over an abnormal edge.
2508 (compute_avail): Remove such check.
2509 (do_SCCVN_insertion): New function.
2510 (eliminate): If we do not find a leader suitable for replacement
2511 insert a replacement expression from SCCVN if available.
2512 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
2513 (struct vn_ssa_aux): Add needs_insertion flag.
2514 * tree-ssa-sccvn.c (may_insert): New global flag.
2515 (copy_reference_ops_from_ref): Value-number union member access
2516 based on its size, not type and member if insertion is allowed.
2517 (visit_reference_op_load): For a weak match from union type
2518 punning lookup a view-converted value and insert a SSA_NAME
2519 for that value if that is not found.
2520 (visit_use): Make dumps shorter. Do not disallow value numbering
2521 SSA_NAMEs that are life over an abnormal edge to constants.
2522 (free_scc_vn): Release inserted SSA_NAMEs.
2523 (run_scc_vn): New flag to specify whether insertion is allowed.
2524 Process SSA_NAMEs in forward order.
2525 * tree-ssa-loop-im.c (for_each_index): Handle invariant
2526 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
2527 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
2528 pointer type to/from integral types that do not change the
2529 precision to regular conversions.
2531 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
2533 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2534 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2535 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
2536 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
2537 input arguments and the mode of return value. Built-in functions
2538 that operate on whole 64-bit MMX register now use V1DI mode.
2540 2008-03-13 Alon Dayan <alond@il.ibm.com>
2541 Olga Golovanevsky <olga@il.ibm.com>
2543 PR tree-optimization/35041
2544 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
2545 to locate the right position in a statement.
2547 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
2551 * config/i386/xmmintrin.h: Change all static inline functions to
2552 extern inline and add __gnu_inline__ attribute.
2553 * config/i386/bmintrin.h: Ditto.
2554 * config/i386/smmintrin.h: Ditto.
2555 * config/i386/tmmintrin.h: Ditto.
2556 * config/i386/mmintrin-common.h: Ditto.
2557 * config/i386/ammintrin.h: Ditto.
2558 * config/i386/emmintrin.h: Ditto.
2559 * config/i386/pmmintrin.h: Ditto.
2560 * config/i386/mmintrin.h: Ditto.
2561 * config/i386/mm3dnow.h: Ditto.
2563 2008-03-13 Jakub Jelinek <jakub@redhat.com>
2566 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
2567 (lower_omp_2): New function.
2568 (lower_omp_1, lower_omp): Rewritten.
2570 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
2573 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
2574 with the phrase "Microsoft Windows compilers".
2575 (Push/Pop Macro Pragmas): New subsection. Document
2576 #pragma push_macro and pragma pop_macro.
2578 2008-03-12 Paul Brook <paul@codesourcery.com>
2580 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
2582 2008-03-12 Paul Brook <paul@codesourcery.com>
2584 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
2585 (thumb2_alusi3_short): Exclude PLUS and MINUS.
2586 (thumb2_addsi_shortim): Rename ...
2587 (thumb2_addsi_short): ... to this. Allow register operands.
2588 (thumb2_subsi_short): New pattern.
2589 (thumb2_one_cmplsi2_short,
2590 thumb2_negsi2_short): New patterns and peepholes.
2592 2008-03-12 Paul Brook <paul@codesourcery.com>
2594 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
2596 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
2598 * config/i386/i386.md (int_cond): New code iterator.
2600 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
2601 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
2602 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
2603 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
2604 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
2605 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
2606 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
2607 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
2609 2008-03-12 Paul Brook <paul@codesourcery.com>
2611 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
2612 instead of {arm,thumb}_compute_save_reg_mask.
2613 (output_return_instruction): Ditto.
2614 (thumb_unexpanded_epilogue): Ditto.
2615 (thumb1_expand_prologue): Ditto.
2616 (thumb1_output_function_prologue): Ditto.
2617 (arm_set_return_address): Ditto.
2618 (thumb_set_return_address): Ditto.
2619 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
2620 regs to achieve stack alignment.
2621 (thumb1_compute_save_reg_mask): Fix compiler warning.
2622 (arm_output_epilogue): Use offsets->saved_regs_mask.
2623 Adjust stack pointer by poping call clobered registers.
2624 (arm_expand_prologue): Use offsets->saved_regs_mask.
2625 Adjust stack pointer by pushing extra registers.
2626 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
2628 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
2631 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
2632 conversion to the operands of a multiplication.
2634 2008-03-12 Richard Guenther <rguenther@suse.de>
2636 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
2637 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
2638 * timevar.def (TV_TREE_PHIPROP): Add.
2639 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
2640 pass description. Use TV_TREE_PHIPROP.
2641 * tree-ssa-forwprop.c: Remove phiprop code.
2643 2008-03-12 Jakub Jelinek <jakub@redhat.com>
2646 * omp-low.c (maybe_lookup_decl): Constify first argument.
2647 (use_pointer_for_field): Change last argument from bool to
2648 omp_context *. Disallow shared copy-in/out in nested
2649 parallel if decl is shared in outer parallel too.
2650 (build_outer_var_ref, scan_sharing_clauses,
2651 lower_rec_input_clauses, lower_copyprivate_clauses,
2652 lower_send_clauses, lower_send_shared_vars): Adjust callers.
2654 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
2655 Ira Rosen <irar@il.ibm.com>
2657 * tree-vectorizer.c (free_stmt_vec_info): New function.
2658 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
2659 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
2660 * tree-vectorizer.h (free_stmt_vec_info): Declare.
2661 * tree-vect-transform.c (vectorizable_conversion): Free
2662 vec_oprnds0 if it was allocated.
2663 (vect_permute_store_chain): Remove unused VECs.
2664 (vectorizable_store): Free VECs that are allocated in the..
2666 (vect_transform_strided_load, vectorizable_load): Likewise.
2667 (vect_remove_stores): Simplify the code.
2668 (vect_transform_loop): Move code to vect_remove_stores().
2669 Call vect_remove_stores() and free_stmt_vec_info().
2671 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2673 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
2674 TARGET_HPUX. Revise comment.
2675 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
2676 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
2677 Use sr4 variant of `be' instruction when not generating PIC code.
2678 (attr_length_call): Adjust for above change.
2680 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2682 * ipa-reference.c (static_execute): Remove module_statics_const and
2683 associated setting code.
2685 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
2688 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2689 predicate for operand 1.
2690 (paritysi2_cmp): Use register_operand predicate for operand 2.
2691 Use earlyclobber modifier for operand 1. Remove support for
2693 (paritydi2_cmp): Use register_operand predicate for operand 3.
2694 Use earlyclobber modifier for operand 1. Remove support for
2697 2008-03-11 Paul Brook <paul@codesourcery.com>
2698 Vladimir Prus <vladimir@codesourcery.com>
2700 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2701 (arm_compute_save_reg0_reg12_mask): Always
2702 check if register 11 must be saved. Always safe hard frame pointer
2703 when frame_pointer_needeed.
2704 (arm_compute_save_reg_mask): Save IP and PC
2705 only with apcs frames.
2706 (arm_output_epilogue): Adjust Thumb2 codepath to
2707 be also invoked and work for ARM non-apcs frames.
2708 (arm_expand_prologue): Don't bother saving IP
2709 for non-apcs frame, since it's not clobbered by
2710 prologue code. Implement non-apcs frame
2713 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
2715 PR rtl-optimization/35281
2716 * expr.c (convert_move): Use a new pseudo for the intermediate
2717 from_mode->word_mode result.
2719 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
2721 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2722 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2723 * toplev.c (compile_file): Don't call it.
2725 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
2728 * expr.c (store_expr): Call emit_block_move if the mode
2729 of "temp" RTX is BLKmode.
2731 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2732 Richard Guenther <rguenther@suse.de>
2734 PR tree-optimization/31358
2735 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2736 the step with a NULL_TREE.
2737 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2738 to sizetype if type is a pointer type.
2739 (add_candidate_1): Don't convert the base and step to
2740 the generic type if the orginal type is a pointer type.
2741 (add_iv_value_candidates): Use sizetype for the step
2742 if type is a pointer type.
2743 (cand_value_at): Likewise.
2744 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2746 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2747 Don't convert the tem affine to the type.
2748 (add_elt_to_tree): Use sizetype for the step if a pointer.
2749 Use POINTER_PLUS_EXPR for pointers.
2750 (aff_combination_to_tree): Use sizetype for the step if a
2753 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
2755 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2756 Remove commutativity hint.
2758 2008-03-10 Jakub Jelinek <jakub@redhat.com>
2762 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2763 errorneous type. Check that v is a VAR_DECL.
2766 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2768 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
2770 PR tree-optimization/35494
2771 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2772 may be overriden at link and run time.
2774 2008-03-10 Richard Guenther <rguenther@suse.de>
2776 PR tree-optimization/34677
2777 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2778 (poolify_tree): Likewise.
2779 (modify_expr_template): Likewise.
2780 (poolify_modify_stmt): Likewise.
2781 (insert_fake_stores): Handle all component-ref style stores
2782 in addition to INDIRECT_REF. Also handle complex types.
2783 Do not poolify the inserted load.
2784 (realify_fake_stores): Do not rebuild the tree but only
2785 make it a SSA_NAME copy.
2786 (init_pre): Remove initialzation of modify_expr_template.
2787 Do not allocate modify_expr_node_pool.
2788 (fini_pre): Do not free modify_expr_node_pool.
2790 2008-03-10 Paul Brook <paul@codesourcery.com>
2792 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2795 2008-03-10 Paul Brook <paul@codesourcery.com>
2796 Mark Shinwell <shinwell@codesourcery.com>
2798 * config/arm/cortex-r4.md: New.
2799 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2801 * config/arm/arm.md: Include cortex-r4.md.
2802 (insn): Add smmls, sdiv and udiv values.
2803 (generic_sched): Don't use generic scheduling for Cortex-R4.
2804 (arm_issue_rate): New function.
2805 (TARGET_SCHED_ISSUE_RATE): Define.
2807 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
2809 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2811 2008-03-10 Richard Guenther <rguenther@suse.de>
2813 * tree-ssa-pre.c (get_sccvn_value): Simplify.
2814 (compute_avail): Do not add stmt uses to AVAIL_OUT.
2816 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
2818 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2819 Set default to true.
2821 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2823 * c.opt (Wsynth): Deprecate.
2824 * doc/invoke.texi (Option Summary, Warning Options): Document
2825 -Wno-format-contains-nul.
2827 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
2830 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2831 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2833 2008-03-09 Ira Rosen <irar@il.ibm.com>
2835 * config/rs6000/rs6000.c (builtin_description): Rename vector
2836 left shift operations.
2837 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2838 (altivec_vsl<VI_char>): Rename to ...
2839 (ashl<mode>3): ... new name.
2840 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2842 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2844 2008-03-08 Richard Guenther <rguenther@suse.de>
2846 * coverage.h (tree_coverage_counter_addr): Declare.
2847 * coverage.c (tree_coverage_counter_addr): New function.
2848 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2850 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2851 (tree_gen_one_value_profiler): Likewise.
2852 (tree_gen_ic_profiler): Likewise.
2853 (tree_gen_average_profiler): Likewise.
2854 (tree_gen_ior_profiler): Likewise.
2856 2008-03-08 Richard Guenther <rguenther@suse.de>
2858 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2859 (vn_binary_op_insert): Likewise.
2860 (vn_unary_op_lookup): Likewise.
2861 (vn_unary_op_insert): Likewise.
2862 (vn_nary_op_lookup): Declare.
2863 (vn_nary_op_insert): Likewise.
2864 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2865 and binary hashes, use a single obstack for unary_op_pool
2867 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2868 a single struct vn_nary_op_s. Store tree code length and
2869 a variable number of operands.
2870 (struct vn_reference_op_struct): Remove unused op2.
2871 (vn_reference_op_eq): Do not compare op2.
2872 (vn_reference_op_compute_hash): Do not compute hash of op2.
2873 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2874 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2875 with vn_nary_op_compute_hash.
2876 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2877 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2879 (vn_unary_op_insert, vn_binary_op_insert): Replace with
2881 (visit_unary_op): Call nary functions.
2882 (visit_binary_op): Likewise.
2883 (process_scc): Adjust for struct vn_tables_s changes.
2884 (allocate_vn_table): Likewise.
2885 (free_vn_table): Likewise.
2886 * tree-vn.c (vn_add): Call nary functions.
2887 (vn_lookup): Likewise.
2889 2008-03-08 Jakub Jelinek <jakub@redhat.com>
2892 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2893 wdst back after sync_compare_and_swapqhi_internal.
2895 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
2898 * config/i386/i386-modes.def (V1DI): New vector mode.
2899 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2900 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2901 (MMXMODE248): Ditto.
2902 (MMXMODE): Add V1DI mode.
2903 (mmxvecsize): Change DI mode to V1DI mode.
2904 ("mov<mode>): Use MMXMODEI8 mode iterator.
2905 ("*mov<mode>_internal_rex64"): Ditto.
2906 ("*mov<mode>_internal"): Ditto.
2907 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
2908 ("mmx_sub<mode>3"): Ditto.
2909 ("mmx_adddi3"): Remove insn pattern.
2910 ("mmx_subdi3"): Ditto.
2911 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2912 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2913 ("mmx_ashl<mode>3"): Ditto.
2914 ("mmx_lshrdi3"): Remove insn pattern.
2915 ("mmx_ashldi3"): Ditto.
2916 * config/i386/i386.c (classify_argument): Handle V1DImode.
2917 (function_arg_advance_32): Ditto.
2918 (function_arg_32): Ditto.
2919 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2920 mmx_addv1di3 insn pattern.
2921 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2922 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2923 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2924 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2925 Remove definitions of built-in functions.
2926 (V1DI_type_node): New node.
2927 (v1di_ftype_v1di_int): Ditto.
2928 (v1di_ftype_v1di_v1di): Ditto.
2929 (v2si_ftype_v2si_si): Ditto.
2930 (v4hi_ftype_v4hi_di): Remove node.
2931 (v2si_ftype_v2si_di): Ditto.
2932 (ix86_init_mmx_sse_builtins): Handle V1DImode.
2933 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2934 Redefine builtins using def_builtin_const with *_ftype_*_int node.
2935 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2936 Add new builtins using def_builtin_const.
2937 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2938 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2939 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2940 * config/i386/mmintrin.h (__v1di): New typedef.
2941 (_mm_add_si64): Cast arguments to __v1di type.
2942 (_mm_sub_si64): Ditto.
2943 (_mm_sll_pi16): Cast __count to __v4hi type.
2944 (_mm_sll_pi32): Cast __count to __v2si type.
2945 (_mm_sll_si64): Cast arguments to __v1di type.
2946 (_mm_srl_pi16): Cast __count to __v4hi type.
2947 (_mm_srl_pi32): Cast __count to __v2si type.
2948 (_mm_srl_si64): Cast arguments to __v1di type.
2949 (_mm_sra_pi16): Cast __count to __v4hi type.
2950 (_mm_sra_pi32): Cast __count to __v2si type.
2951 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2952 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2953 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2954 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2955 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2956 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2957 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2958 (_mm_srai_pi32): Use __builtin_ia32_psradi.
2959 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2960 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2961 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2962 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2964 2008-03-07 Joseph Myers <joseph@codesourcery.com>
2966 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2968 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
2971 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2972 reg+const addressing for Altivec modes. Don't generate reg+reg
2973 addressing for TFmode or TDmode quantities.
2975 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
2977 * c-common.c (vector_types_convertible_p): Call langhook
2978 instead of comptypes.
2980 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2983 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2984 integral and scalar float variables which have a
2987 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
2989 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2990 dwarf_register_span hook when emitting unwind information for
2991 register-to-memory saves.
2992 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2993 (rs6000_frame_related): Remove call to spe_synthesize_frame.
2995 2008-03-06 Jakub Jelinek <jakub@redhat.com>
2997 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2998 for the same VAR_DECL.
3000 2008-03-06 Tom Tromey <tromey@redhat.com>
3003 * doc/standards.texi (Standards): Don't mention treelang.
3004 * doc/invoke.texi (Overall Options): Don't mention treelang.
3005 * doc/install.texi (Prerequisites): Don't mention bison or
3007 (Configuration): Don't mention treelang.
3008 (Building): Likewise.
3009 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
3011 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
3013 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
3014 word-extractions out of a multi-word object.
3016 2008-03-06 Richard Guenther <rguenther@suse.de>
3018 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
3019 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
3020 result type and precision.
3021 * expr.c (get_inner_reference): Set unsignedp based on the result
3022 type of BIT_FIELD_REF.
3023 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
3024 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
3025 (try_instantiate_multiple_fields): Likewise. Use the correct type
3027 (sra_build_assignment): Likewise.
3028 (sra_build_elt_assignment): Likewise.
3029 (sra_explode_bitfield_assignment): Likewise.
3030 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
3031 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
3032 set BIT_FIELD_REF_UNSIGNED.
3033 (vectorizable_load): Likewise.
3035 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
3037 * cse.c (cse_extended_basic_block): Invalidate artificial defs
3040 2008-03-06 Richard Guenther <rguenther@suse.de>
3042 * alias.c (struct alias_set_entry): Move has_zero_child field
3043 to pack with alias_set.
3045 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
3047 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3050 2008-03-05 Ian Lance Taylor <iant@google.com>
3052 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
3054 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
3056 * fwprop.c (update_df): Support width and offset parameters of
3058 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
3059 global_conflicts): Change DF_REF_EXTRACT to either
3060 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3061 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3062 * df-scan.c (df_ref_record, df_defs_record,
3063 df_ref_create_structure, df_def_record_1, df_uses_record,
3064 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
3065 df_bb_refs_collect, df_entry_block_defs_collect,
3066 df_exit_block_uses_collect): Support new width and offset fields.
3067 (ref_extract_pool): New storage pool.
3068 (df_free_ref): New function.
3069 (df_reg_chain_unlink, df_free_collection_rec,
3070 df_sort_and_compress_refs): Call df_free_ref.
3071 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
3073 (df_ref_create_structure): Allocate df_ref_extract if offset and
3074 width fields are used.
3075 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
3076 (df_uses_record): Get offset and width from ZERO_EXTRACT
3078 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
3079 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3080 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3081 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
3082 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3083 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3084 (df_ref_extract): New structure.
3085 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
3086 (df_ref_create): Add width and offset parameters.
3088 2008-03-05 Richard Guenther <rguenther@suse.de>
3090 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3091 Use ranges_overlap_p.
3092 (offset_overlaps_with_access): Rename
3093 to ranges_overlap_p and move ...
3094 * tree-flow-inline.h (ranges_overlap_p): ... here.
3096 * tree.h (get_inner_reference, handled_component_p): Update
3099 * tree.h (record_component_aliases, get_alias_set,
3100 alias_sets_conflict_p, alias_sets_must_conflict_p,
3101 objects_must_conflict_p): Move declarations ...
3102 * alias.h (record_component_aliases, get_alias_set,
3103 alias_sets_conflict_p, alias_sets_must_conflict_p,
3104 objects_must_conflict_p): ... here.
3105 Include coretypes.h.
3106 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
3108 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
3110 * cfg.c: Include tree-flow.h.
3111 (remove_edge_raw): Call redirect_edge_var_map_clear.
3112 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
3113 * tree-flow-inline.h (redirect_edge_var_map_def): New.
3114 (redirect_edge_var_map_result): New.
3115 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
3116 PENDING_STMT use with redirect_edge_var_map_*.
3117 * tree-ssa.c (edge_var_maps): New definition.
3118 (redirect_edge_var_map_add): New.
3119 (redirect_edge_var_map_clear): New.
3120 (redirect_edge_var_map_dup): New.
3121 (redirect_edge_var_map_vector): New.
3122 (redirect_edge_var_map_destroy): New.
3123 (ssa_redirect_edge): Replace PENDING_STMT use with
3124 redirect_edge_var_map_*.
3125 (flush_pending_stmts): Same.
3126 (delete_tree_ssa): Destroy edge var map.
3127 * tree-flow.h (struct _edge_var_map): New.
3128 Define edge_var_map vector type.
3129 Declare redirect_edge_var_map_* prototypes.
3130 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
3131 * tree-cfg.c (reinstall_phi_args): Replace
3132 PENDING_STMT use with redirect_edge_var_map_*.
3134 2008-03-05 Richard Guenther <rguenther@suse.de>
3136 PR tree-optimization/35472
3137 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
3138 whose single use_stmt has a overlapping set of loaded and
3139 stored symbols as that use_stmt might be a noop assignment then.
3141 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3143 * gthr-rtems.h: Implement __gthread_mutex_destroy.
3145 2008-03-05 Richard Guenther <rguenther@suse.de>
3148 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
3149 should be constants.
3150 * tree-cfg.c (verify_expr): Verify it.
3151 * fold-const.c (fold_truthop): Remove code generating
3152 BIT_FIELD_REFs of structure bases.
3153 (fold_binary): Likewise.
3154 (fold_ternary): Position and size of BIT_FIELD_REFs are
3155 always host integers.
3156 (make_bit_field_ref): Remove.
3157 (optimize_bit_field_compare): Remove.
3158 (all_ones_mask_p): Remove.
3160 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
3163 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
3164 (split_block_and_df_analyze): New. Split basic block and rebuild
3166 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
3168 (split_pattern_seq): Likewise.
3169 (erase_matching_seqs): Likewise.
3170 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
3172 2008-03-04 Geoff Keating <geoffk@apple.com>
3174 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
3175 declaration and code.
3176 (tree_invalid_nonnegative_warnv_p): Likewise.
3178 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3180 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
3181 examples. Truncate option-names then causing overfull hbox.
3183 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3186 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
3188 * configure: Rebuilt.
3190 2008-03-04 Rafael Espindola <espindola@google.com>
3192 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
3193 (tree_unary_nonnegative_warnv_p): New.
3194 (tree_binary_nonnegative_warnv_p): New.
3195 (tree_single_nonnegative_warnv_p): New.
3196 (tree_invalid_nonnegative_warnv_p): New.
3197 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
3199 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3202 * opts.c (handle_option): Postpone 'unknown option' errors only for
3205 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
3208 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
3211 2008-03-04 Rafael Espindola <espindola@google.com>
3213 * fold-const.c (tree_unary_nonzero_warnv_p): New.
3214 (tree_binary_nonzero_warnv_p): New.
3215 (tree_single_nonzero_warnv_p): New.
3216 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
3218 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
3221 * fold-const.c (fold_cond_expr_with_comparison): Prevent
3222 transformations for modes that have signed zeros.
3223 * ifcvt.c (noce_try_abs): Ditto.
3225 2008-03-04 Joseph Myers <joseph@codesourcery.com>
3227 * config/i386/i386.c (override_options): Force
3228 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
3230 2008-03-04 Jan Hubicka <jh@suse.cz>
3233 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
3236 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3238 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
3239 label to probe the stack.
3241 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3243 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
3244 (__gthr_win32_mutex_destroy): Declare.
3245 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
3246 __gthr_win32_mutex_destroy.
3247 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
3249 2008-03-03 Jan Hubicka <jh@suse.cz>
3252 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
3253 aggressive on inlining cold calls.
3255 2008-03-03 Richard Guenther <rguenther@suse.de>
3257 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
3258 struct copies into the expression table.
3259 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
3260 (try_to_simplify): Likewise.
3261 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
3262 integral and pointer arguments which do not change the
3263 precision to NOP_EXPRs.
3264 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
3265 VIEW_CONVERT_EXPR case.
3267 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
3269 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
3270 defined in a loop at depth 0 is invariant.
3271 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3272 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
3273 be called at loop depth 0.
3275 2008-03-02 Jakub Jelinek <jakub@redhat.com>
3278 * gcc.c (process_command): Update copyright notice dates.
3279 * gcov.c (print_version): Likewise.
3280 * gcov-dump.c (print_version): Likewise.
3281 * mips-tfile.c (main): Likewise.
3282 * mips-tdump.c (main): Likewise.
3284 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3287 * c-common.c (flag_permissive): Delete.
3288 (constant_expression_warnings): Check flags first.
3289 (constant_expression_error): New.
3290 * c-common.h (flag_permissive): Delete.
3291 (constant_expression_error): Declare.
3292 * flags.h (flag_permissive): Declare. Update description.
3293 * diagnostic.c (pedwarn): Update.
3295 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
3296 (permissive_error_kind): New.
3297 * toplev.c (flag_permissive): Define. Update description.
3298 * toplev.h (permissive_error_kind): Declare.
3299 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
3300 (pedwarn_c90): Use pedantic_warning_kind.
3301 * c-opts.c (c_common_post_options): flag_permissive does not affect
3302 flag_pedantic_errors.
3304 2008-03-02 Joseph Myers <joseph@codesourcery.com>
3306 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
3307 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
3308 __absvsi2, __absvDI2): Use unsigned arithmetic.
3310 2008-03-02 Andi Kleen <ak@suse.de>
3311 Richard Guenther <rguenther@suse.de>
3313 * struct-equiv.c: Remove file.
3314 * cfg_cleanup.c (condjump_equiv_p): Remove.
3315 * Makefile.in (OBJS-common): Remove struct-equiv.o.
3316 (struct-equiv.o): Remove rule.
3317 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
3318 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
3319 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
3321 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3323 * ifcvt.c (noce_process_if_block): Try to handle only the then
3324 block if the else block exists but isn't suitable.
3326 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3329 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
3330 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
3331 regression from previous patch.
3333 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3336 * gthr.h: Add __gthread_mutex_destroy as a function that must be
3338 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
3339 * gthr-single.h (__gthread_mutex_destroy): Likewise.
3340 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
3341 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
3342 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
3343 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
3344 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
3345 (__gthread_mutex_destroy_function): Rename to
3346 __gthread_mutex_destroy.
3347 * gthr-dce.h (__gthread_mutex_destroy): Call
3348 pthread_mutex_destroy.
3349 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
3350 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
3351 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
3353 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3355 * df-scan.c (df_ref_chain_change_bb): Simplify.
3356 (df_insn_change_bb): Add new_bb argument. Simplify. Call
3357 set_block_for_insn if there's any change.
3358 * df.h ((df_insn_change_bb): Fix prototype.
3359 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
3360 df_insn_change_bb, don't call set_block_for_insn.
3361 * emit-rtl.c (reorder_insns): Likewise.
3362 * haifa-sched.c (move_insn): Likewise.
3364 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3366 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
3368 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3370 * tree-flow-inline.h (next_readonly_imm_use): Return
3371 NULL_USE_OPERAND_P after the end.
3373 2008-03-01 Richard Guenther <rguenther@suse.de>
3375 PR tree-optimization/35411
3376 * tree-sra.c (sra_build_assignment): Split conversion to
3377 final type to a separate statement if we are not assigning
3380 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3382 * fold-const.c (fold_convertible_p): Correct the logic to follow
3383 that in fold_convert().
3385 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
3388 * tree-inline.c (build_duplicate_type): When we make a
3389 duplicate type, make it unique in the canonical types system.
3391 2008-02-29 Tom Tromey <tromey@redhat.com>
3393 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
3394 input_file_stack_history, input_file_stack_restored): Remove.
3395 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3396 * input.h (struct file_stack): Remove.
3397 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3398 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
3400 * diagnostic.h (struct diagnostic_context) <last_module>: Change
3402 (diagnostic_last_module_changed): Add 'map' argument.
3403 (diagnostic_set_last_function): Likewise.
3404 * diagnostic.c (undiagnostic_report_current_module): Iterate using
3405 line map, not input_file_stack.
3406 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
3408 2008-02-29 Paul Brook <paul@codesourcery.com>
3410 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
3412 2008-02-29 Paul Brook <paul@codesourcery.com>
3414 * config/arm/ieee754-df.S (muldf3): Use RET macros.
3416 2008-02-29 Richard Guenther <rguenther@suse.de>
3418 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
3420 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
3421 value for comparing for a store match.
3422 (simplify_unary_expression): Do nothing for SSA_NAMEs.
3423 (try_to_simplify): Do not do a full-blown reference lookup.
3425 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3427 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
3428 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3430 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
3432 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
3434 * tree-loop-linear.c (try_interchange_loops): Compare memory access
3435 strides against cache sizes.
3437 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3439 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
3442 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
3444 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
3445 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
3446 is smaller than the original promoted value.
3447 (simplify_subreg): If OP is a SUBREG, try to preserve its
3448 SUBREG_PROMOTED_VAR_P information.
3450 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3452 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
3453 (VN_INFO_GET): Allocate new objects on the obstack.
3454 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
3455 for rpo_numbers_temp, for consistency.
3456 (free_scc_vn): Free the obstack.
3458 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
3460 * doc/invoke.texi: Document -ftree-loop-distribution.
3461 * tree-loop-distribution.c: New.
3462 * tree-pass.h (pass_loop_distribution): New.
3463 * graphds.h (struct graph): Add htab_t indices.
3464 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
3465 * tree-vectorizer.c (rename_variables_in_loop): Extern.
3466 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
3467 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
3468 * tree-data-ref.c (debug_data_dependence_relations): New.
3469 (dump_data_dependence_relation): Also print data references.
3470 (free_data_ref): Extern.
3471 (same_access_functions): Moved...
3472 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
3473 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3474 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
3475 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
3476 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
3477 (stmts_from_loop): Skip LABEL_EXPR.
3478 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
3480 (build_rdg): Initialize rdg->indices htab.
3481 (free_rdg, stores_from_loop, ref_base_address,
3482 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
3483 have_similar_memory_accesses_1, ref_base_address_1,
3484 remove_similar_memory_refs): New.
3485 * tree-data-ref.h: Depend on tree-chrec.h.
3486 (debug_data_dependence_relations, free_data_ref): Declared.
3487 (same_access_functions): ... here.
3488 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
3490 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
3491 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
3492 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
3493 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3494 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
3495 rdg_vertex_for_stmt): Declared.
3496 (struct rdg_edge): Add level.
3498 (free_rdg, stores_from_loop, remove_similar_memory_refs,
3499 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
3501 (rdg_has_similar_memory_accesses): New.
3502 * tree-vect-analyze.c: Remove unused static decls.
3503 * lambda.h (dependence_level): New.
3504 * common.opt (ftree-loop-distribution): New.
3505 * tree-flow.h (mark_virtual_ops_in_bb,
3506 slpeel_tree_duplicate_loop_to_edge_cfg,
3507 rename_variables_in_loop): Declared.
3508 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
3509 (OBJS-common): Add tree-loop-distribution.o.
3510 (tree-loop-distribution.o): New rule.
3511 * tree-cfg.c (mark_virtual_ops_in_bb): New.
3512 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
3513 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
3515 2008-02-28 Joseph Myers <joseph@codesourcery.com>
3518 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
3519 other than structures and unions.
3521 2008-02-28 Richard Guenther <rguenther@suse.de>
3524 2008-02-26 Richard Guenther <rguenther@suse.de>
3526 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3527 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3528 (lookup_decl_from_uid): Declare.
3529 (remove_decl_from_map): Likewise.
3530 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3531 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3532 (decl_for_uid_map): New global hashtable mapping DECL_UID
3534 (init_ttree): Allocate it.
3535 (insert_decl_to_uid_decl_map): New helper function.
3536 (make_node_stat): Insert new decls into the map.
3537 (copy_node_stat): Likewise.
3538 (lookup_decl_from_uid): New function.
3539 (remove_decl_from_map): Likewise.
3540 (print_decl_for_uid_map_statistics): New helper.
3541 (dump_tree_statistics): Call it.
3543 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3544 (referenced_var_iterator): Adjust.
3545 (FOR_EACH_REFERENCED_VAR): Adjust.
3546 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3547 (num_referenced_vars): Adjust.
3548 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3549 (first_referenced_var): Remove.
3550 (end_referenced_vars_p): Likewise.
3551 (next_referenced_var): Likewise.
3552 (referenced_var_iterator_set): New helper function.
3553 * tree-dfa.c (referenced_var_lookup): Adjust.
3554 (referenced_var_check_and_insert): Likewise.
3555 (remove_referenced_var): Likewise.
3556 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3557 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3558 (verify_call_clobbering): Likewise.
3559 (verify_memory_partitions): Likewise.
3560 (init_tree_ssa): Allocate bitmap instead of hashtable for
3562 (delete_tree_ssa): Adjust.
3563 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3564 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3565 (compute_tag_properties): Likewise.
3566 (set_initial_properties): Likewise.
3567 (find_partition_for): Likewise.
3568 (update_reference_counts): Likewise.
3569 (dump_may_aliases_for): Likewise.
3570 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3571 (add_call_clobber_ops): Likewise.
3572 (add_call_read_ops): Likewise.
3573 (get_asm_expr_operands): Likewise.
3574 * tree-into-ssa.c (dump_decl_set): Likewise.
3575 (update_ssa): Likewise.
3576 * tree-sra.c (scan_function): Likewise.
3577 (decide_instantiations): Likewise.
3578 (scalarize_parms): Likewise.
3579 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3580 (dsa_named_for): Likewise.
3581 * tree-ssa-structalias.c (update_alias_info): Likewise.
3582 (merge_smts_into): Likewise.
3584 2008-02-27 David Daney <ddaney@avtrex.com>
3587 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
3588 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
3589 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
3590 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
3591 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
3593 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
3596 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
3597 (BUILT_IN_NEXTTOWARD): Remove.
3598 (BUILT_IN_NEXTTOWARDF): Ditto.
3599 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
3600 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
3602 2008-02-27 Tom Tromey <tromey@redhat.com>
3604 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
3605 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
3607 2008-02-27 Jan Beulich <jbeulich@novell.com>
3609 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
3610 update the respective field on newdecl.
3612 2008-02-27 Revital Eres <eres@il.ibm.com>
3614 PR rtl-optimization/34999
3615 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
3616 crossing edges that ends with a call insn.
3617 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
3618 call insn and clear the EDGE_CROSSING flag of the crossing edge
3619 when fixing fallthru edges.
3621 2008-02-27 Richard Guenther <rguenther@suse.de>
3624 * fold-const.c (fold_unary): Return the correct argument,
3625 converted to the result type.
3627 2008-02-27 Richard Guenther <rguenther@suse.de>
3630 * expr.c (expand_expr_real_1): Assert on rotates that operate
3632 * fold-const.c (fold_binary): Use the types precision, not the
3633 bitsize of the mode if folding rotate expressions. Build rotates
3634 only for full modes.
3636 2008-02-27 Jakub Jelinek <jakub@redhat.com>
3638 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
3640 * c-pragma.c (pragma_ns_name): New typedef.
3641 (registered_pp_pragmas): New variable.
3642 (c_pp_lookup_pragma): New function.
3643 (c_register_pragma_1): If flag_preprocess_only, do nothing
3644 for non-expanded pragmas, for expanded ones push pragma's
3645 namespace and name into registered_pp_pragmas vector.
3646 (c_invoke_pragma_handler): Register OpenMP pragmas even when
3647 flag_preprocess_only, don't register GCC pch_preprocess
3648 pragma if flag_preprocess_only.
3649 * c-opts.c (c_common_init): Call init_pragma even if
3650 flag_preprocess_only.
3651 * c-pragma.c (c_pp_lookup_pragma): New prototype.
3652 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
3653 cpp_register_pragma if flag_preprocess_only.
3655 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3658 * c-parser.c (c_parser_translation_unit): Warn for empty
3659 translation unit, not empty source file.
3661 2008-02-26 Paul Brook <paul@codesourcery.com>
3663 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
3664 operand for Thumb-2.
3665 * config/arm/arm.h (reg_class): Add CORE_REGS.
3666 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
3667 (BASE_REG_CLASS): Use CORE_REGS.
3668 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
3669 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
3670 (REGNO_OK_FOR_INDEX_P): Exclude SP.
3671 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
3672 ARM_REGNO_OK_FOR_INDEX_P.
3673 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
3674 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
3675 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
3676 (ldm/stm peepholes): Ditto.
3677 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
3678 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
3679 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
3680 * config/arm/constraints.md: Enable "k" constraint on ARM.
3682 2008-02-27 Ben Elliston <bje@au.ibm.com>
3684 * config/rs6000/rs6000.c: Annotate cache line size field in all
3685 instances of struct processor_costs.
3687 2008-02-26 David Edelsohn <edelsohn@gnu.org>
3689 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3690 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3691 jump_bypass): New counters.
3692 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3693 * dce.c (gate_ud_dce): Same.
3694 (gate_fast_dce): Same.
3695 * dse.c (gate_dse1): New function.
3696 (gate_dse2): New function.
3697 (gate_dse): Merge results of new gate functions.
3698 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3699 (gate_handle_jump_bypass): Add dbg_cnt.
3700 (gate_handle_gcse): Add dbg_cnt.
3701 * ifcvt.c (gate_handle_if_conversion): Same.
3702 (gate_handle_if_after_combine): Same.
3703 (gate_handle_if_after_reload): Same.
3704 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3706 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
3708 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3710 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3712 2008-02-26 Jason Merrill <jason@redhat.com>
3715 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
3716 alone if it's the naming decl for the type's main variant.
3718 2008-02-26 Tom Tromey <tromey@redhat.com>
3720 * system.h (USE_MAPPED_LOCATION): Poison.
3721 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3722 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3723 (make_goto_expr_edges): Likewise.
3724 (remove_bb): Likewise.
3725 (execute_warn_function_return): Likewise.
3726 * basic-block.h (struct edge_def) <goto_locus>: Change type to
3728 * c-common.c (fname_decl): Remove old location code.
3729 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3731 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3733 (ASM_INPUT_SOURCE_LOCATION): Likewise.
3734 (gen_rtx_ASM_INPUT): Likewise.
3735 (gen_rtx_ASM_INPUT_loc): Likewise.
3736 (get_rtx_asm_OPERANDS): Remove.
3737 * cfglayout.c (insn_locators_alloc): Remove old location code.
3738 (set_curr_insn_source_location): Likewise.
3739 (curr_insn_locator): Likewise.
3740 * print-tree.c (print_node): Remove old location code.
3741 * tree-mudflap.c (mf_varname_tree): Remove old location code.
3742 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3743 * cfgexpand.c (expand_gimple_cond_expr): Don't use
3744 location_from_locus.
3745 (construct_exit_block): Remove old location code.
3746 * emit-rtl.c (force_next_line_note): Remove old location code.
3747 * profile.c (branch_prob): Remove old location code.
3748 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3749 LOC_LINE): Remove old-location variants.
3750 * langhooks.c (lhd_print_error_function): Remove old location
3752 * configure, config.in: Rebuilt.
3753 * configure.ac (--enable-mapped-location): Remove.
3754 * c-decl.c (c_init_decl_processing): Remove old location code.
3755 (finish_function): Likewise.
3756 * recog.c (decode_asm_operands): Remove old location code.
3757 * c-pch.c (c_common_read_pch): Remove old location code.
3758 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3760 * gimple-low.c (lower_function_body): Remove old location code.
3761 * toplev.c (unknown_location): Remove.
3762 (push_srcloc): Remove old-location variant.
3763 (process_options): Remove old location code.
3764 (lang_dependent_init): Likewise.
3765 * input.h (UNKNOWN_LOCATION): Move definition.
3766 (location_t): Undeprecate.
3767 (source_locus): Remove.
3768 (location_from_locus): Remove.
3769 (struct location_s): Remove.
3770 Remove all old-location code.
3771 (input_line, input_filename): Remove.
3772 * final.c (final_scan_insn): Remove old location code.
3773 * diagnostic.c (diagnostic_build_prefix): Remove
3774 USE_MAPPED_LOCATION test.
3775 * tree.h (gimple_stmt) <locus>: Now a location_t.
3776 (tree_exp) <locus>: Likewise.
3777 (DECL_IS_BUILTIN): Remove old-location variant.
3778 (annotate_with_file_line, annotate_with_locus): Likewise.
3779 (expr_locus, set_expr_locus): Update.
3780 * tree.c (build1_stat): Remove old location code.
3781 (last_annotated_node): Remove.
3782 (annotate_with_file_line): Remove old-location variant.
3783 (annotate_with_locus): Likewise.
3784 (expr_location): Remove old location code.
3785 (set_expr_location): Likewise.
3786 (expr_has_location): Likewise.
3787 (expr_locus): Likewise.
3788 (set_expr_locus): Likewise.
3789 (expr_filename): Don't use location_from_locus.
3790 (expr_lineno): Likewise.
3791 * rtl-error.c (location_for_asm): Remove old location code.
3792 * c-lex.c (cb_line_change): Remove old location code.
3793 (fe_file_change): Likewise.
3794 (cb_def_pragma): Likewise.
3795 (c_lex_with_flags): Likewise.
3796 * gengtype.c (do_typedef): Don't special-case location types.
3797 (define_location_structures): Remove.
3798 (main): Don't call define_location_structures.
3799 * tree-pretty-print.c (dump_implicit_edges): Remove old location
3802 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3805 * builtins.def (BUILT_IN_STDARG_START): Remove.
3806 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3807 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3808 * tree-inline.c (inline_forbidden_p_1): Likewise.
3810 2008-02-26 Richard Guenther <rguenther@suse.de>
3812 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3813 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3814 (lookup_decl_from_uid): Declare.
3815 (remove_decl_from_map): Likewise.
3816 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3817 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3818 (decl_for_uid_map): New global hashtable mapping DECL_UID
3820 (init_ttree): Allocate it.
3821 (insert_decl_to_uid_decl_map): New helper function.
3822 (make_node_stat): Insert new decls into the map.
3823 (copy_node_stat): Likewise.
3824 (lookup_decl_from_uid): New function.
3825 (remove_decl_from_map): Likewise.
3826 (print_decl_for_uid_map_statistics): New helper.
3827 (dump_tree_statistics): Call it.
3829 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3830 (referenced_var_iterator): Adjust.
3831 (FOR_EACH_REFERENCED_VAR): Adjust.
3832 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3833 (num_referenced_vars): Adjust.
3834 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3835 (first_referenced_var): Remove.
3836 (end_referenced_vars_p): Likewise.
3837 (next_referenced_var): Likewise.
3838 (referenced_var_iterator_set): New helper function.
3839 * tree-dfa.c (referenced_var_lookup): Adjust.
3840 (referenced_var_check_and_insert): Likewise.
3841 (remove_referenced_var): Likewise.
3842 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3843 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3844 (verify_call_clobbering): Likewise.
3845 (verify_memory_partitions): Likewise.
3846 (init_tree_ssa): Allocate bitmap instead of hashtable for
3848 (delete_tree_ssa): Adjust.
3849 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3850 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3851 (compute_tag_properties): Likewise.
3852 (set_initial_properties): Likewise.
3853 (find_partition_for): Likewise.
3854 (update_reference_counts): Likewise.
3855 (dump_may_aliases_for): Likewise.
3856 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3857 (add_call_clobber_ops): Likewise.
3858 (add_call_read_ops): Likewise.
3859 (get_asm_expr_operands): Likewise.
3860 * tree-into-ssa.c (dump_decl_set): Likewise.
3861 (update_ssa): Likewise.
3862 * tree-sra.c (scan_function): Likewise.
3863 (decide_instantiations): Likewise.
3864 (scalarize_parms): Likewise.
3865 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3866 (dsa_named_for): Likewise.
3867 * tree-ssa-structalias.c (update_alias_info): Likewise.
3868 (merge_smts_into): Likewise.
3870 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3873 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3874 * c-opts.c (c_common_handle_option): Wall enables
3875 Wvolatile-register-var.
3876 * common.opt: Move Wvolatile-register-var to...
3879 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3881 * common.opt (Wlarger-than=): New.
3882 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3884 * opts.c (common_handle_option): Handle -Wlarger-than=.
3885 * optc-gen.awk: Likewise.
3886 * opth-gen.awk: Likewise.
3887 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3888 * tree-optimize.c (tree_rest_of_compilation): Likewise.
3890 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3892 * c-common.c (match_case_to_enum_1): Add appropriate
3893 OPT_W* parameter to warning.
3894 (c_do_switch_warnings): Likewise.
3895 * c-typeck.c (warning_init): Add one more parameter following
3897 (push_init_level): Update call to warning_init.
3898 (pop_init_level): Likewise.
3899 (add_pending_init): Likewise.
3900 (output_init_element: Likewise.
3902 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3905 * toplev.c (toplev_main): If there are warnings or error, print
3906 errors for ignored options.
3907 * opts.c (ignored_options): New static variable.
3908 (postpone_unknown_option_error): New.
3909 (print_ignored_options): New.
3910 (handle_option): Postpone errors for unknown -Wno-* options.
3911 * opts.h (print_ignored_options): Declare.
3913 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
3915 * config/mips/mips.md (loadgp_blockage, blockage): Change type
3918 2008-02-25 Richard Guenther <rguenther@suse.de>
3921 2008-02-25 Richard Guenther <rguenther@suse.de>
3923 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3924 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3925 (lookup_decl_from_uid): Declare.
3926 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3927 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3928 (decl_for_uid_map): New global hashtable mapping DECL_UID
3930 (init_ttree): Allocate it.
3931 (insert_decl_to_uid_decl_map): New helper function.
3932 (make_node_stat): Insert new decls into the map.
3933 (copy_node_stat): Likewise.
3934 (lookup_decl_from_uid): New function.
3935 (print_decl_for_uid_map_statistics): New helper.
3936 (dump_tree_statistics): Call it.
3938 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3939 (referenced_var_iterator): Adjust.
3940 (FOR_EACH_REFERENCED_VAR): Adjust.
3941 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3942 (num_referenced_vars): Adjust.
3943 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3944 (first_referenced_var): Remove.
3945 (end_referenced_vars_p): Likewise.
3946 (next_referenced_var): Likewise.
3947 (referenced_var_iterator_set): New helper function.
3948 * tree-dfa.c (referenced_var_lookup): Adjust.
3949 (referenced_var_check_and_insert): Likewise.
3950 (remove_referenced_var): Likewise.
3951 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3952 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3953 (verify_call_clobbering): Likewise.
3954 (verify_memory_partitions): Likewise.
3955 (init_tree_ssa): Allocate bitmap instead of hashtable for
3957 (delete_tree_ssa): Adjust.
3958 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3959 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3960 (compute_tag_properties): Likewise.
3961 (set_initial_properties): Likewise.
3962 (find_partition_for): Likewise.
3963 (update_reference_counts): Likewise.
3964 (dump_may_aliases_for): Likewise.
3965 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3966 (add_call_clobber_ops): Likewise.
3967 (add_call_read_ops): Likewise.
3968 (get_asm_expr_operands): Likewise.
3969 * tree-into-ssa.c (dump_decl_set): Likewise.
3970 (update_ssa): Likewise.
3971 * tree-sra.c (scan_function): Likewise.
3972 (decide_instantiations): Likewise.
3973 (scalarize_parms): Likewise.
3974 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3975 (dsa_named_for): Likewise.
3976 * tree-ssa-structalias.c (update_alias_info): Likewise.
3977 (merge_smts_into): Likewise.
3979 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
3982 * doc/invoke.texi (-fcx-limited-range): Document new option.
3983 * toplev.c (process_options): Handle -fcx-fortran-rules.
3984 * common.opt: Add documentation for -fcx-fortran-rules.
3986 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
3989 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3990 actual behaviour and C99.
3992 2008-02-26 Ben Elliston <bje@au.ibm.com>
3994 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3995 (ASM_CPU_POWER6_SPEC): Likewise.
3996 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3997 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3998 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
4000 2008-02-25 Richard Guenther <rguenther@suse.de>
4002 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4003 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4004 (lookup_decl_from_uid): Declare.
4005 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4006 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4007 (decl_for_uid_map): New global hashtable mapping DECL_UID
4009 (init_ttree): Allocate it.
4010 (insert_decl_to_uid_decl_map): New helper function.
4011 (make_node_stat): Insert new decls into the map.
4012 (copy_node_stat): Likewise.
4013 (lookup_decl_from_uid): New function.
4014 (print_decl_for_uid_map_statistics): New helper.
4015 (dump_tree_statistics): Call it.
4017 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4018 (referenced_var_iterator): Adjust.
4019 (FOR_EACH_REFERENCED_VAR): Adjust.
4020 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4021 (num_referenced_vars): Adjust.
4022 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4023 (first_referenced_var): Remove.
4024 (end_referenced_vars_p): Likewise.
4025 (next_referenced_var): Likewise.
4026 (referenced_var_iterator_set): New helper function.
4027 * tree-dfa.c (referenced_var_lookup): Adjust.
4028 (referenced_var_check_and_insert): Likewise.
4029 (remove_referenced_var): Likewise.
4030 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4031 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4032 (verify_call_clobbering): Likewise.
4033 (verify_memory_partitions): Likewise.
4034 (init_tree_ssa): Allocate bitmap instead of hashtable for
4036 (delete_tree_ssa): Adjust.
4037 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4038 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4039 (compute_tag_properties): Likewise.
4040 (set_initial_properties): Likewise.
4041 (find_partition_for): Likewise.
4042 (update_reference_counts): Likewise.
4043 (dump_may_aliases_for): Likewise.
4044 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4045 (add_call_clobber_ops): Likewise.
4046 (add_call_read_ops): Likewise.
4047 (get_asm_expr_operands): Likewise.
4048 * tree-into-ssa.c (dump_decl_set): Likewise.
4049 (update_ssa): Likewise.
4050 * tree-sra.c (scan_function): Likewise.
4051 (decide_instantiations): Likewise.
4052 (scalarize_parms): Likewise.
4053 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4054 (dsa_named_for): Likewise.
4055 * tree-ssa-structalias.c (update_alias_info): Likewise.
4056 (merge_smts_into): Likewise.
4058 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
4061 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
4062 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
4063 * alias.h (nonoverlapping_memrefs_p): Likewise.
4065 2008-02-25 Jan Beulich <jbeulich@novell.com>
4067 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
4068 * config/i386/netware-libgcc.exp: Add __bswap?i2,
4069 __emultls_get_address, __emultls_register_common,
4070 __floatundi?f, and _Unwind_GetIPInfo.
4071 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
4072 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
4073 (gen_regparm_prefix): Likewise.
4074 (i386_nlm_encode_section_info): Sync with
4075 config/i386/winnt.c:i386_pe_encode_section_info().
4076 (i386_nlm_maybe_mangle_decl_assembler_name): New.
4077 i386_nlm_mangle_decl_assembler_name): New.
4078 (netware_override_options): New.
4079 * config/i386/netware.h (netware_override_options): Declare.
4080 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
4081 (i386_nlm_mangle_decl_assembler_name): Declare.
4082 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
4084 2008-02-25 Ben Elliston <bje@au.ibm.com>
4087 * c-decl.c (grokdeclarator): Remove unused local variables
4088 `typedef_type' and `type_as_written'.
4090 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
4091 unused local variable `has_hot_blocks'.
4092 (fix_crossing_conditional_branches): Remove unused local variable
4095 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
4098 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
4099 using DEF_C99_BUILTIN.
4100 (BUILT_IN_NANF): Ditto.
4101 (BUILT_IN_NANL): Ditto.
4103 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
4104 Revital Eres <eres@il.ibm.com>
4106 * modulo-sched.c (calculate_must_precede_follow): Address TODO
4107 regarding the order of two dependent insns in the same row.
4109 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
4111 * stor-layout.c (layout_decl): Do not bump the alignment of a
4112 bit-field to more than byte alignment if it is packed.
4114 2008-02-24 David Edelsohn <edelsohn@gnu.org>
4116 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
4119 2008-02-24 Diego Novillo <dnovillo@google.com>
4121 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
4124 * tree-vrp.c (vrp_evaluate_conditional): With
4125 -Wtype-limits, emit a warning when comparing against a
4126 constant outside the natural range of OP0's type.
4127 * c.opt (Wtype-limits): Move ...
4128 * common.opt (Wtype-limits): ... here.
4130 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
4132 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
4133 * config/rs6000/e300c2c3.md: New file.
4134 * config/rs6000/rs6000.c (processor_costs): Add new costs for
4136 (rs6000_override_options): Add e300c2 and e300c3 cases to
4137 processor_target_table. Do not allow usage of Altivec or Spe
4138 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
4139 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
4140 * config/rs6000/rs6000.h (processor_type): Add
4141 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
4142 (ASM_CPU_SPEC): Add e300c2 and e300c3.
4143 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
4144 and ppce300c3. Include e300c2c3.md.
4146 2008-02-23 David Edelsohn <edelsohn@gnu.org>
4148 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
4149 instead of TARGET_STRICT_ALIGN.
4151 2008-02-23 Joseph Myers <joseph@codesourcery.com>
4153 * explow.c (memory_address): Assert that the generated address is
4156 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4159 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
4160 * config/darwin-ppc-ldouble-patch.def: New file.
4161 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
4162 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
4163 SUBTARGET_INIT_BUILTINS if defined.
4164 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
4167 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4170 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
4171 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
4173 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4176 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
4177 file" warning condtional on -Winvalid-PCH.
4179 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
4181 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
4183 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
4187 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
4188 prevent reload from using MMX registers.
4189 (*mov<mode>_internal): Ditto.
4190 (*movv2sf_internal_rex64): Ditto.
4191 (*movv2sf_internal): Ditto.
4193 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4195 PR documentation/31569
4196 * doc/install.texi2html: Use makeinfo --no-number-sections.
4198 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4200 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
4201 ensure that we can address an entire entity > 8 bytes. Don't
4202 generate reg+reg addressing for such data.
4204 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4206 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
4207 strings when optimizing for size, unless the target cares about
4210 2008-02-22 Tom Tromey <tromey@redhat.com>
4212 * regclass.c (current_pass): Remove declaration.
4214 2008-02-22 Anatoly Sokolov <aesok@post.ru>
4216 * config/avr/libgcc.S (__RAMPZ__): Define.
4217 (__do_copy_data): Add for devices with 128KB code memory.
4219 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4221 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4223 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
4225 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
4227 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
4230 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4233 * c-typeck.c (build_binary_op): Warn about floating point
4234 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
4236 2008-02-21 Janis Johnson <janis187@us.ibm.com>
4239 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
4240 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
4242 (rs6000_override_options): Set altivec_abi as default, not override,
4243 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
4244 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
4245 is used; use new member spe_abi.
4246 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
4247 spe_abi and altivec_abi.
4249 2008-02-22 Tomas Bily <tbily@suse.cz>
4251 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
4253 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4256 * config.build (build_file_translate): Set to `CMD //c' only if
4258 * Makefile.in (build_file_translate): Improve comment.
4260 2008-02-21 Jan Hubicka <jh@suse.cz>
4262 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
4263 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
4264 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
4266 2008-02-21 Michael Matz <matz@suse.de>
4269 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
4271 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
4273 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
4274 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
4276 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
4277 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
4278 SSE_VEC_FLOAT_MODE_P as insn constraint.
4279 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
4280 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
4281 sse4a_movntdf using MODEF mode iterator.
4282 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
4283 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
4284 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
4285 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
4286 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
4287 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
4288 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
4290 2008-02-21 Richard Guenther <rguenther@suse.de>
4292 * tree.def (PAREN_EXPR): New tree code.
4293 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
4295 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
4296 * expr.c (expand_expr_real_1): Likewise.
4297 * tree-inline.c (estimate_num_insns_1): Likewise.
4298 * tree-complex.c (expand_complex_move): Likewise.
4299 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
4302 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4305 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
4307 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4310 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
4312 * config/sh/sh.c (find_barrier): Don't go past
4313 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
4315 2008-02-20 DJ Delorie <dj@redhat.com>
4317 * config/h8300/h8300.md (insv): Force source operand to be a register.
4319 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
4320 as a jump, not as a plain insn.
4322 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
4324 * doc/invoke.texi (Warning Options): Add new option
4325 -Wframe-larger-than=.
4326 (-Wframe-larger-than): Document.
4328 * flags.h (warn_frame_larger_than, frame_larger_than_size):
4329 Add declarations for new option variables.
4331 * final.c (final_start_function): Check the frame size
4332 before emission and issue a Wframe-larger-than warning.
4334 * opts.c (warn_frame_larger_than, frame_larger_than_size):
4335 Add definitions for new option variables.
4336 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
4338 * common.opt (Wframe-larger-than=): New option.
4340 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4342 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
4343 (<sse>_div<mode>3): Ditto.
4344 (<sse>_vmdiv<mode>3): Ditto.
4345 (<sse>_vmsqrt<mode>2): Ditto.
4346 (*smax<mode>3): Ditto.
4347 (sse5_frcz<mode>2): Ditto.
4348 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
4351 2008-02-20 Richard Guenther <rguenther@suse.de>
4354 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
4355 be happy with INTEGRAL_TYPE_P.
4357 2008-02-20 Richard Guenther <rguenther@suse.de>
4359 * fold-const.c (split_tree): Associate floatig-point expressions
4360 if flag_associative_math is set.
4362 2008-02-20 Richard Guenther <rguenther@suse.de>
4364 * tree.h (fold_real_zero_addition_p): Declare.
4365 * fold-const.c (fold_real_zero_addition_p): Export.
4366 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
4367 floating-point operations with zero and one.
4369 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
4371 * doc/install.texi: Correct references to CFLAGS, replacing them
4372 with BOOT_CFLAGS. Document flags used during bootstrap for
4375 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4377 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
4378 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
4379 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
4381 (smin<mode>3): Ditto from similar patterns.
4382 (smax<mode>3): Ditto.
4383 (*ieee_smin<mode>3): Ditto.
4384 (*ieee_smax<mode>3): Ditto.
4385 * config/i386/sse.md (sse): New mode attribute.
4386 (mov<mode>): Macroize expander from movv4sf and movv2df using
4387 SSEMODEF2P mode iterator.
4388 (<sse>_movnt<mode>): Ditto from similar patterns. Use
4389 SSE_VEC_FLOAT_MODE_P as insn constraint.
4390 (storent<mode>): Ditto.
4391 (storent<mode>): Macroize expander from storentsf and storentdf using
4392 MODEF mode iterator.
4393 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
4394 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
4395 (abs<mode>2): Ditto from similar patterns.
4396 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
4397 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
4398 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
4399 (<sse>_vmsqrt<mode>2): Ditto.
4400 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
4401 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
4402 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
4403 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
4404 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
4405 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
4406 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
4408 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
4409 iterator and SSE_FLOAT_MODE_P as insn constraint.
4410 (<sse>_ucomi): Ditto from similar patterns.
4411 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
4412 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
4413 SSE_VEC_FLOAT_MODE_P as insn constraint.
4414 (vcond<mode>): Ditto from similar patterns.
4415 (and<mode>3, *and<mode>3): Ditto.
4416 (<sse>_nand<mode>3): Ditto.
4417 (ior<mode>3, *ior<mode>3): Ditto.
4418 (xor<mode>3, *xor<mode>3): Ditto.
4419 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
4420 iterator and SSE_FLOAT_MODE_P as insn constraint.
4421 (*nand<mode>3): Ditto from similar patterns.
4422 (*ior<mode>3): Ditto.
4423 (*xor<mode>3): Ditto.
4425 2008-02-20 Ira Rosen <irar@il.ibm.com>
4427 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
4428 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
4429 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
4431 2008-02-19 Jan Hubicka <jh@suse.cz>
4433 * predict.c (tree_bb_level_predictions): Remove variable next
4434 mistakely introduced by previous commit.
4436 2008-02-19 Jan Hubicka <jh@suse.cz>
4438 * predict.c (predict_paths_leading_to): Rewrite.
4439 (predict_paths_for_bb): New.
4440 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
4442 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4445 * Makefile.in (build_file_translate): New.
4446 (gcc-vers.texi): Use it for translating $(abs_srcdir).
4447 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
4448 * configure.ac (build_file_translate): Substitute it.
4449 * configure: Regenerate.
4451 2008-02-19 Jan Hubicka <jh@suse.cz>
4453 PR rtl-optimization/34408
4454 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
4457 2008-02-19 Jan Hubicka <jh@suse.cz>
4460 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
4463 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
4466 * config/i386/i386-modes.def: Revert the last DI alignment
4467 change until Ada people can look into it.
4469 2008-02-19 Nick Clifton <nickc@redhat.com>
4471 * opts.c (print_specific_help): Fix typo in --help text.
4473 2008-02-19 Jakub Jelinek <jakub@redhat.com>
4476 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
4477 32-bit inline asm without asm alternatives for host GCC < 3.0.
4479 2008-02-19 Richard Guenther <rguenther@suse.de>
4481 PR tree-optimization/34989
4482 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
4483 Allow propagation to INDIRECT_REF if we can simplify only.
4485 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4487 * c-common.c (warn_for_collisions_1): Use appropriate option when
4490 2008-02-19 Nick Clifton <nickc@redhat.com>
4493 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
4494 (handle_options): Fix indentation.
4495 (print_filtered_help): If no language-specific options were
4496 displayed tell the user how to list all the options supported by
4497 the language's front-end.
4498 (print_specific_help): Fix indentation and remove duplicate line.
4499 (common_handle_option): Handle the -v option.
4500 For --help enable the display of undocumented options if the -v
4501 switch has been included on the command line.
4502 For --help= check for overlaps in the arguments between the option
4503 classes and the language names and issue a warning when they
4504 cannot be disambiguated.
4505 * c.opt (v): Pass on to the common option handler.
4507 2008-02-19 Revital Eres <eres@il.ibm.com>
4509 * modulo-sched.c (sms_schedule): Change dump message when
4510 create_ddg function fails.
4511 (try_scheduling_node_in_cycle): Rename row to cycle.
4512 (print_partial_schedule): Rename CYCLE to ROW.
4514 2008-02-19 Christian Bruel <christian.bruel@st.com>
4515 Zdenek Dvorak <ook@ucw.cz>
4517 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
4519 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
4522 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
4523 (*x86_movdicc_0_m1_se): Ditto.
4525 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
4527 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
4528 (CMPtype): Define as __gcc_CMPtype.
4529 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
4530 (CMPtype): Define as __gcc_CMPtype.
4532 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
4534 Support valgrind 3.3 for --enable-checking=valgrind.
4535 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
4537 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
4538 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
4539 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
4540 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
4541 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
4542 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
4543 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
4545 * ggc-zone.c: Similar.
4546 * ggc-page.c: Similar.
4548 2008-02-19 Paul Brook <paul@codesourcery.com>
4551 * config/arm/ieee754-df.S: Fix do_it typo.
4552 * config/arm/ieee754-sf.S: Fix do_it typo.
4554 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
4557 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
4558 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
4559 (OPTION_MASK_ISA_SSE_SET): Likewise.
4560 (OPTION_MASK_ISA_SSE2_SET): Likewise.
4561 (OPTION_MASK_ISA_SSE3_SET): Likewise.
4562 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
4563 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
4564 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
4565 (OPTION_MASK_ISA_SSE4_SET): Likewise.
4566 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
4567 (OPTION_MASK_ISA_SSE5_SET): Likewise.
4568 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
4569 (OPTION_MASK_ISA_MMX_UNSET): Updated.
4570 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
4571 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
4572 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
4573 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
4574 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
4575 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
4576 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
4577 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
4578 (OPTION_MASK_ISA_SSE4): Removed.
4579 (ix86_handle_option): Turn on bits in ix86_isa_flags and
4580 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
4581 (override_options): Don't turn on implied SSE/MMX bits in
4584 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
4586 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4589 2008-02-18 Joey Ye <joey.ye@intel.com>
4592 * tree-nested.c (insert_field_into_struct): Set type alignment
4593 to field alignment if the former is less than the latter.
4595 2008-02-18 Jakub Jelinek <jakub@redhat.com>
4597 * BASE-VER: Set to 4.4.0.
4599 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4601 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
4602 * doc/cfg.texi: Likewise.
4603 * doc/extend.texi: Likewise.
4604 * doc/gty.texi: Likewise.
4605 * doc/invoke.texi: Likewise.
4606 * doc/loop.texi: Likewise.
4607 * doc/md.texi: Likewise.
4608 * doc/passes.texi: Likewise.
4609 * doc/rtl.texi: Likewise.
4610 * doc/sourcebuild.texi: Likewise.
4611 * doc/tm.texi: Likewise.
4612 * doc/tree-ssa.texi: Likewise.
4614 2008-02-17 Richard Guenther <rguenther@suse.de>
4617 * tree-complex.c (init_parameter_lattice_values): Handle parameters
4618 without default definition.
4620 2008-02-17 Richard Guenther <rguenther@suse.de>
4622 PR tree-optimization/35231
4623 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
4626 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
4629 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4630 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4631 libgcc_cmp_return mode.
4633 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4636 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
4638 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
4640 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
4643 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4645 * doc/c-tree.texi: Use `@.' where appropriate.
4646 * doc/extend.texi: Likewise.
4647 * doc/install.texi: Likewise.
4648 * doc/invoke.texi: Likewise.
4649 * doc/loop.texi: Likewise.
4650 * doc/makefile.texi: Likewise.
4651 * doc/md.texi: Likewise.
4652 * doc/passes.texi: Likewise.
4653 * doc/standards.texi: Likewise.
4654 * doc/tm.texi: Likewise.
4656 2008-02-15 Jakub Jelinek <jakub@redhat.com>
4659 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
4661 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
4662 rather than in entry_bb.
4664 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4666 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4667 libgcc_cmp_return mode.
4669 2008-02-15 Jakub Jelinek <jakub@redhat.com>
4672 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
4673 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
4675 2008-02-15 Richard Guenther <rguenther@suse.de>
4676 Zdenek Dvorak <ook@ucw.cz>
4678 PR tree-optimization/35164
4679 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
4680 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
4681 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4682 Only propagate addresses which do not have abnormal SSA_NAMEs
4685 2008-02-15 Joseph Myers <joseph@codesourcery.com>
4688 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
4690 2008-02-15 Jan Hubicka <jh@suse.cz>
4693 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
4695 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4698 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
4699 when calculating alignment_pad.
4701 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4703 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
4704 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
4705 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
4706 and STACK_BOUNDARY define.
4708 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
4710 PR preprocessor/35061
4711 * c-pragma.c (handle_pragma_pop_macro): Check that
4712 pushed_macro_table has been allocated.
4714 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
4717 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
4718 (force_gimple_operand): Likewise.
4719 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
4720 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
4721 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
4722 (find_interesting_uses_address): Check addressability and alignment
4723 of the base expression only after substituting bases of IVs into it.
4725 2008-02-14 Michael Matz <matz@suse.de>
4728 * function.c (instantiate_virtual_regs_in_insn): Reload address
4729 before falling back to reloading the whole operand.
4731 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
4733 * config/s390/s390.c (s390_mainpool_start): Emit the pool
4734 before the first section switch note.
4736 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4738 * doc/bugreport.texi: Update copyright years.
4739 * doc/c-tree.texi: Likewise.
4740 * doc/cfg.texi: Likewise.
4741 * doc/cpp.texi: Likewise.
4742 * doc/cppinternals.texi: Likewise.
4743 * doc/fragments.texi: Likewise.
4744 * doc/frontends.texi: Likewise.
4745 * doc/gcc.texi: Likewise.
4746 * doc/gty.texi: Likewise.
4747 * doc/hostconfig.texi: Likewise.
4748 * doc/implement-c.texi: Likewise.
4749 * doc/libgcc.texi: Likewise.
4750 * doc/loop.texi: Likewise.
4751 * doc/makefile.texi: Likewise.
4752 * doc/options.texi: Likewise.
4753 * doc/passes.texi: Likewise.
4754 * doc/rtl.texi: Likewise.
4755 * doc/sourcebuild.texi: Likewise.
4756 * doc/standards.texi: Likewise.
4757 * doc/tree-ssa.texi: Likewise.
4758 * doc/trouble.texi: Likewise.
4760 * doc/extend.texi: Use @: or add comma where appropriate.
4761 * doc/invoke.texi: Likewise.
4762 * doc/tm.texi: Likewise.
4764 2008-02-14 Alan Modra <amodra@bigpond.net.au>
4767 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
4770 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
4772 * doc/md.texi (clz, ctz): Add reference.
4773 * doc/rtl.texi (clz, ctz): Likewise.
4775 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4778 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
4781 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
4783 * config/s390/s390.c (struct constant_pool): New field
4784 emit_pool_after added.
4785 (s390_mainpool_start): Set the emit_pool_after flag according
4786 to the section switch notes.
4787 (s390_mainpool_finish): Consider emit_pool_after when emitting
4788 the literal pool at the end of the function.
4789 (s390_chunkify_start): Force literal pool splits at section
4792 2008-02-13 Michael Matz <matz@suse.de>
4795 * var-tracking.c (clobber_variable_part): Correctly traverse the
4798 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4801 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
4802 Add -fdump-ipa-inline.
4803 * tree-dump.c (dump_files): Remove tree-inlined dump.
4804 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
4806 2008-02-12 Richard Guenther <rguenther@suse.de>
4808 PR tree-optimization/35171
4809 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
4812 2008-02-12 Richard Guenther <rguenther@suse.de>
4815 * fold-const.c (fold_widened_comparison): Use get_unwidened in
4816 value-preserving mode. Disallow final truncation.
4818 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
4821 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
4822 code from here to...
4823 (force_gimple_operand): ...here.
4825 2008-02-12 Jakub Jelinek <jakub@redhat.com>
4828 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
4829 non-compatible pointers.
4830 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
4831 different FIELD_DECLs, try harder by comparing field offsets, sizes
4835 * function.c (match_asm_constraints_1): Don't replace the same input
4838 2008-02-12 Anatoly Sokolov <aesok@post.ru>
4840 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
4841 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
4842 (expand_epilogue): Restore RAMPZ register.
4843 * config/avr/avr.md (RAMPZ_ADDR): New constant.
4845 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
4847 * config/i386/cygwin.asm: (__alloca): Correct calling
4848 convention and alignment.
4849 (__chkstk): Force 8 byte stack alignment.
4851 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
4852 Richard Guenther <rguenther@suse.de>
4854 PR tree-optimization/33992
4855 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
4856 the zero we compare against.
4858 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
4861 * gthr-win32.h (__gthread_mutex_destroy_function): New function
4862 to CloseHandle after unlocking to prevent accumulation of handle
4865 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4868 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
4869 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
4870 and update LABEL_NUSES during and after reload.
4872 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
4875 * combine.c (simplify_if_then_else): Make sure the comparison is
4876 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
4878 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
4881 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
4882 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
4883 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
4884 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
4885 * tree.h (get_type_static_bounds): Likewise.
4887 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4889 * doc/invoke.texi (Option Summary, C++ Dialect Options)
4890 (Objective-C and Objective-C++ Dialect Options, Warning Options):
4891 Make -Wfoo language annotations match what the compiler outputs.
4893 2008-02-08 Sa Liu <saliu@de.ibm.com>
4895 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
4896 intrinsics spu_convts, spu_convtu, spu_convtf.
4897 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
4899 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
4901 * doc/extend.texi (Function Attributes) <noinline>: Mention
4902 asm ("") as method to keep calls.
4904 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4907 * doc/options.texi (Options): Replace references to opts.sh with
4909 * opts-common.c: Likewise.
4910 * optc-gen.awk: Likewise.
4912 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
4914 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
4916 2008-02-07 Richard Henderson <rth@redhat.com>
4919 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
4920 EXPR_LIST for the REG_EQUAL instead of a comparison with a
4923 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
4925 PR tree-optimization/35085
4926 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
4927 for operand entry oe2 in addition to operand entry oe3 in order to
4928 expose more opportunities for vectorizer sum reduction.
4930 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4933 * Makefile.in (LIBS): Remove $(GMPLIBS).
4934 (cc1-dummy, cc1): Add $(GMPLIBS).
4936 2008-02-06 Jan Hubicka <jh@suse.cz>
4939 * i386.md (moddf_integer): Do not produce partial memory stalls for
4940 targets where it hurts.
4942 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
4945 * optabs.c (expand_float): Do not check for decimal modes when
4946 expanding unsigned integer through signed conversion.
4948 2008-02-06 Nick Clifton <nickc@redhat.com>
4950 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
4951 inside the clobber with a match_operand and duplicated operand
4952 number in the constraint.
4953 (ineqbranchsi): Delete redundant comment.
4955 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
4957 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
4958 builtin_define ("__USE_INIT_FINI__").
4959 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
4961 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
4963 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4965 PR documentation/30330
4966 * doc/invoke.texi (C++ Dialect Options)
4967 (Objective-C and Objective-C++ Dialect Options, Warning Options):
4968 For each warning option -Wfoo that allows -Wno-foo, ensure both
4969 -Wfoo and -Wno-foo are listed in the option index. Fix index
4970 entry of -Wswitch-default, index -Wnormalized= including the
4971 `=', and -Wlarger-than-@var{len} including @var{len}.
4973 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
4975 * config/i386/i386.md (floatunssisf2): Use
4976 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
4977 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
4978 Macroize expander using MODEF mode iterator.
4980 2008-02-05 Diego Novillo <dnovillo@google.com>
4982 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
4985 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
4987 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4990 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
4992 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
4995 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
4996 to indicate if a message should be generated.
4997 (init_cumulative_args): Updated.
4998 (function_value_32): Likewise.
5000 2008-02-05 Joseph Myers <joseph@codesourcery.com>
5002 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
5004 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5007 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
5008 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
5010 2008-02-04 Diego Novillo <dnovillo@google.com>
5012 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
5015 * tree-vrp.c (vrp_evaluate_conditional): With
5016 -Wtype-limits, emit a warning when comparing against a
5017 constant outside the natural range of OP0's type.
5019 2008-02-04 Richard Guenther <rguenther@suse.de>
5022 * expr.c (count_type_elements): Give for unions instead of
5025 2008-02-04 Richard Guenther <rguenther@suse.de>
5028 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
5029 to TYPE_DOMAINs base type instead of using bitsizetype here.
5031 2008-02-03 Jason Merrill <jason@redhat.com>
5033 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
5035 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5038 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
5039 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
5040 (RS/6000 and PowerPC Options): Fix typos and markup.
5041 * doc/passes.texi (Tree-SSA passes): Likewise.
5043 2008-02-02 Michael Matz <matz@suse.de>
5046 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
5047 from record_last_reg_set_info.
5048 (record_last_reg_set_info): Take an RTX argument, iterate over all
5049 constituent hardregs.
5050 (record_last_set_info, record_opr_changes): Change calls to
5051 new signature or to record_last_reg_set_info_regno.
5053 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
5055 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
5057 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
5059 PR rtl-optimization/34773
5060 * reg-notes.def (EQUAL): Mention significance of combination of
5061 REG_EQUAL and REG_RETVAL.
5062 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
5063 insn that has a REG_RETVAL.
5065 2008-02-01 Roger Sayle <roger@eyesopen.com>
5068 * configure.ac (--enable-fixed-point): Disable unless explicitly
5070 * configure: Regenerate.
5072 2008-02-01 Richard Guenther <rguenther@suse.de>
5075 * invoke.texi (-finline-limit): Remove no longer true parts
5076 of the documentation. Note that there is no default value.
5078 2008-02-01 Andrew Pinski <pinskia@gmail.com>
5079 Mark Mitchell <mark@codesourcery.com>
5080 Ben Elliston <bje@au.ibm.com>
5083 * doc/extend.texi (Other Builtins): Document.
5085 2008-01-31 Tom Browder <tom.browder@gmail.com>
5087 * doc/c-tree.texi (Types): Fix grammar.
5088 (Expression trees): Ditto.
5089 * doc/passes.texi (Tree-SSA passes): Ditto.
5091 * doc/configterms.texi (Configure Terms): Fix typo.
5092 * doc/cpp.texi (Common Predefined Macros): Ditto.
5093 * doc/md.texi (Machine Constraints): Ditto.
5095 * doc/makefile.texi (Makefile): Add comma.
5097 2008-01-31 Tom Browder <tom.browder@gmail.com>
5098 Gerald Pfeifer <gerald@pfeifer.com>
5100 * doc/sourcebuild.texi (Front End): Remove references to CVS
5101 and CVSROOT/modules.
5102 (Texinfo Manuals): Replace reference to CVS by one to SVN.
5103 (Back End): Remove reference to CVS.
5105 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5108 * config/mips/mips.c (gen_load_const_gp): New function, taking a
5110 (mips16_gp_pseudo_reg): ...here.
5111 * config/mips/mips.md (load_const_gp): Replace with...
5112 (load_const_gp_<mode>): ...this :P-based insn.
5114 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5116 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
5117 options. Minor fixes.
5118 (-std): Move reference to standards closer to where language
5119 standards are first mentioned.
5121 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5123 PR rtl-optimization/34995
5124 * reload.c (alternative_allows_const_pool_ref): Take an rtx
5125 parameter and return a bool. If the rtx parameter is nonnull,
5126 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
5127 (find_reloads): Update call accordingly. Pass the new operand
5128 if it needed no address reloads, otherwise pass null.
5130 2008-01-30 Richard Henderson <rth@redhat.com>
5133 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
5134 for unbounded arrays.
5136 2008-01-30 Silvius Rus <rus@google.com>
5138 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
5140 2008-01-30 Jan Hubicka <jh@suse.cz>
5143 * i386.c (init_cumulative_args): Use real function declaration when
5146 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
5148 PR rtl-optimization/34998
5149 * global.c (build_insn_chain): Treat non-subreg_lowpart
5150 SUBREGs of pseudos as clobbering all the words covered by the
5151 SUBREG, not just all the bytes.
5152 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
5153 original df_ref rather than an extract parameter.
5154 (global_conflicts): Update call accordingly.
5156 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
5158 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
5159 the overflow check to make it easier to read.
5160 (__fixtfdi): Change the type of the ll member in union
5161 long_double to UDItype_x.
5163 2008-01-30 Jakub Jelinek <jakub@redhat.com>
5166 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
5167 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
5168 * tree-inline.c (fold_marked_statements): Call
5169 cgraph_update_edges_for_call_stmt if folding a call statement.
5170 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
5171 debug_generic_stmt calls, reset it back afterwards.
5174 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
5176 * c-typeck.c (build_external_ref): Don't pedwarn about
5177 static vars in current function's scope.
5179 2008-01-29 Joseph Myers <joseph@codesourcery.com>
5181 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
5183 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
5186 * ipa-struct-reorg.c: Fix spelling.
5187 * params.def: Ditto.
5189 2008-01-29 Richard Guenther <rguenther@suse.de>
5192 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
5194 * tree-inline.c (remap_type): Increment remapping_type_depth
5195 around remapping types.
5196 (copy_body_r): Only add referenced variables if they are referenced
5197 from code, not types.
5199 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
5210 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
5211 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
5213 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
5216 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
5217 pointer for tiny stack.
5219 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5221 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
5223 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5225 * config/vx-common.h: Fix typo in comment.
5227 2008-01-28 Ian Lance Taylor <iant@google.com>
5231 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
5232 coalesce pointers if they have different DECL_NO_TBAA_P values.
5233 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
5234 between variables with different DECL_NO_TBAA_P values.
5236 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
5239 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
5240 are not legitimate small data references on SPE targets.
5242 2008-01-28 David Daney <ddaney@avtrex.com>
5244 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
5246 2008-01-28 David Daney <ddaney@avtrex.com>
5248 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
5250 2008-01-27 Joseph Myers <joseph@codesourcery.com>
5252 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
5253 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
5254 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
5255 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
5256 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
5257 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
5258 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
5259 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
5261 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5263 * basic-block.h (condjump_equiv_p): Fix comment.
5265 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5267 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
5268 print_generic_stmt_indented): Fix comment.
5270 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5272 * configure.ac (__stack_chk_fail): Add detecion for availability
5273 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
5274 * configure: Regenerate.
5276 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
5279 * final.c (output_addr_const): Handle TRUNCATE.
5281 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
5284 * tree-ssa-loop-ivopts.c (comp_cost): New type.
5285 (zero_cost, infinite_cost): New constants.
5286 (struct cost_pair): Change type of cost to comp_cost.
5287 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
5288 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
5290 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
5291 split_address_cost, ptr_difference_cost, difference_cost,
5292 get_computation_cost_at, get_computation_cost,
5293 determine_use_iv_cost_generic, determine_use_iv_cost_address,
5294 determine_use_iv_cost_condition, determine_use_iv_costs,
5295 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
5296 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
5297 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
5298 Change type of cost to comp_cost.
5299 (determine_iv_cost): Increase cost of non-original ivs, instead
5300 of decreasing the cost of original ones.
5301 (get_address_cost): Indicate the complexity of the addressing mode
5303 (try_add_cand_for): Prefer using ivs not specific to some object.
5304 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
5306 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
5307 Janis Johnson <janis187@us.ibm.com>
5310 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
5311 (TARGET_INSTANTIATE_DECLS): Likewise.
5312 * target.h (expand_to_rtl_hook): New target hook.
5313 (instantiate_decls): Likewise.
5314 * function.c (instantiate_decl): Make non-static. Rename to...
5315 (instantiate_decl_rtl): ... this.
5316 (instantiate_expr): Use instantiate_decl_rtl.
5317 (instantiate_decls_1): Likewise.
5318 (instantiate_decls): Likewise.
5319 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
5320 * function.h (instantiate_decl_rtl): Add prototype.
5321 * cfgexpand.c (target.h): New include.
5322 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
5323 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
5324 (TARGET_INSTANTIATE_DECLS): Likewise.
5325 (TARGET_INITIALIZER): New target hooks added.
5326 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
5328 * config/rs6000/rs6000.c (tree-flow.h): New include.
5329 (machine_function): Add sdmode_stack_slot field.
5330 (rs6000_alloc_sdmode_stack_slot): New function.
5331 (rs6000_instantiate_decls): Likewise.
5332 (rs6000_secondary_memory_needed_rtx): Likewise.
5333 (rs6000_check_sdmode): Likewise.
5334 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
5335 (TARGET_INSTANTIATE_DECLS): Likewise.
5336 (rs6000_hard_regno_mode_ok): Allow SDmode.
5337 (num_insns_constant): Likewise. Handle _Decimal32 constants.
5338 (rs6000_emit_move): Handle SDmode.
5339 (function_arg_advance): Likewise.
5340 (function_arg): Likewise.
5341 (rs6000_gimplify_va_arg): Likewise. Add special handling of
5342 SDmode var args for 32-bit compiles.
5343 (rs6000_secondary_reload_class): Handle SDmode.
5344 (rs6000_output_function_epilogue): Likewise.
5345 (rs6000_function_value): Simplify if statement.
5346 (rs6000_libcall_value): Likewise.
5347 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
5348 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
5349 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
5350 (movsd_hardfloat): New define_insn.
5351 (movsd_softfloat): Likewise.
5352 (movsd_store): Likewise.
5353 (movsd_load): Likewise.
5354 (extendsddd2): Likewise.
5355 (extendsdtd2): Likewise.
5356 (truncddsd2): Likewise.
5357 (movdd_hardfloat64): Fixup comment.
5358 (UNSPEC_MOVSD_LOAD): New constant.
5359 (UNSPEC_MOVSD_STORE): Likewise.
5361 2008-01-26 Jakub Jelinek <jakub@redhat.com>
5364 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
5366 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
5367 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
5368 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
5371 2008-01-26 David Edelsohn <edelsohn@gnu.org>
5374 * config.gcc: Separate AIX 5.3 from AIX 6.1.
5375 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5376 __LONGDOUBLE128 too.
5377 * config/rs6000/aix61.h: New file.
5379 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5381 PR rtl-optimization/34959
5382 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
5383 popcount and parity rtxes the same mode as their operand.
5384 Truncate or extend the result to the return value's mode
5387 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5390 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
5391 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
5392 to GOT_VERSION_REGNUM.
5393 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
5394 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
5395 * config/mips/mips.c (mips_emit_call_insn): New function.
5396 (mips_call_tls_get_addr): Call mips_expand_call directly.
5397 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
5399 (mips16_build_call_stub): Likewise. Return the call insn or null.
5400 (mips_expand_call): Update the call to mips16_build_call_stub
5401 accordingly and a remove redundant condition. Assert that MIPS16
5402 stubs do not use lazy binding. Use mips_emit_call_insn and return
5404 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
5406 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
5407 (mips_avoid_hazard): Remove hazard_set handling.
5408 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
5409 (UNSPEC_RESTORE_GP): ...this.
5410 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
5411 (FAKE_CALL_REGNO): Rename to...
5412 (GOT_VERSION_REGNUM): ...this.
5413 (type): Add "ghost" value. Add an associated insn reservation.
5414 (hazard_set): Remove.
5415 (exception_receiver): Rename to...
5416 (restore_gp): ...this and update the unspec identifier accordingly.
5417 (exception_receiver, nonlocal_got_receiver): New expanders.
5418 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
5419 FAKE_CALL_REGNO. Remove hazard_set attribute.
5420 (set_got_version, update_got_version): New patterns.
5422 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
5425 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
5427 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5430 * doc/install.texi2html: Generate gcc-vers.texi.
5432 2008-01-25 DJ Delorie <dj@redhat.com>
5434 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
5436 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5438 * config/c4x: Remove directory.
5439 * config.gcc (crx-*, mt-*): Mark obsolete.
5440 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
5441 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
5442 sh-*-rtemscoff*): Remove cases.
5443 * defaults.h (C4X_FLOAT_FORMAT): Remove.
5444 * real.c (encode_c4x_single, decode_c4x_single,
5445 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
5446 c4x_extended_format): Remove.
5447 * real.h (c4x_single_format, c4x_extended_format): Remove.
5448 * doc/extend.texi (interrupt, naked): Remove mention of attributes
5450 (Pragmas): Remove comment about c4x pragmas.
5451 * doc/install.texi (c4x): Remove target-specific instructions.
5452 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
5453 * doc/md.texi (Machine Constraints): Remove C4x documentation.
5454 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
5455 refer to C4x source files as examples.
5456 (C4X_FLOAT_FORMAT): Remove documentation.
5458 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
5460 * config/bfin/bfin.c (override_options): Reorder tests so that
5461 flag_pic gets enabled for -msep-data.
5463 2008-01-25 Richard Guenther <rguenther@suse.de>
5466 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
5467 to its bitfield precision if required.
5469 2008-01-25 Jakub Jelinek <jakub@redhat.com>
5472 * tree-nested.c (walk_omp_for): New function.
5473 (convert_nonlocal_reference, convert_local_reference): Call
5474 walk_omp_for on OMP_FOR.
5475 (convert_call_expr): Call walk_body on OMP_FOR's
5476 OMP_FOR_PRE_INIT_BODY.
5478 2008-01-25 Richard Guenther <rguenther@suse.de>
5480 PR tree-optimization/34966
5481 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
5482 default defs and PHI_NODEs we have to insert after the
5485 2008-01-24 Nick Clifton <nickc@redhat.com>
5487 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
5488 Provide a default definition.
5489 (LIBGCC2_UNITS_PER_WORD): Likewise.
5491 * config/stormy16/stormy16.c: Include df.h for the prototype
5492 for df_regs_ever_live_p.
5493 (xstormy16_expand_builtin_va_start): Convert the stack offset
5494 into a component_ref and then use POINTER_PLUS_EXPR to add it
5495 to the incoming_virtual_args_rtx.
5496 (xstormy16_gimplify_va_arg_expr): Rename to
5497 xstormy16_gimplify_va_arg_expr.
5498 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
5499 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
5500 xstormy16_gimplify_va_arg_expr.
5501 Fix up some formatting issues.
5503 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
5504 Move to predicates.md.
5505 (xs_hi_general_operand): Likewise.
5506 (xs_hi_nonmemory_operand): Likewise.
5507 * config/stormy16/predicates.md:
5508 (xstormy16_carry_plus_operand): New predicate.
5509 (xs_hi_general_operand): New predicate.
5510 (xs_hi_nonmemory_operand): New predicate.
5511 * config/stormy16/stormy16-protos.h:
5512 (xstormy16_carry_plus_operand): Delete prototype.
5513 (xs_hi_general_operand): Likewise.
5514 (xs_hi_nonmemory_operand): Likewise.
5516 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
5517 modifiers as they are no longer needed and they can trigger
5518 reload spill failures.
5520 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
5521 with a match_operand in order to help reload.
5523 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
5524 constraint with 'e' for the 8th alternative as this version of
5525 the mov.w instruction only accepts the lower 8 registers.
5527 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
5530 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
5531 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
5534 2008-01-25 Jakub Jelinek <jakub@redhat.com>
5537 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
5539 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
5541 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
5543 (remove_structure): Update allocations list before removing structure.
5545 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
5547 * ipa-struct-reorg.c (is_safe_cond_expr,
5548 create_new_stmts_for_cond_expr): Use integer_zerop function,
5549 that recognize not only zero-pointer, but zero-integer too.
5551 2008-01-25 Ben Elliston <bje@au.ibm.com>
5554 * fixproto: Escape "." in sed expression that strips leading "./".
5556 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
5559 * gcc.c (SWITCH_OK): Removed.
5560 (SWITCH_LIVE): Changed to bit.
5561 (SWITCH_FALSE): Likewise.
5562 (SWITCH_IGNORE): Likewise.
5563 (switchstr): Change live_cond to unsigned int.
5564 (process_command): Replace SWITCH_OK with 0.
5565 (do_self_spec): Likewise.
5566 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
5567 (give_switch): Likewise.
5568 (used_arg): Likewise.
5569 (do_spec_1): Set the SWITCH_IGNORE bit.
5570 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
5571 bits. Set the SWITCH_LIVE bit.
5573 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
5575 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
5577 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
5579 PR tree-optimization/34472
5580 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
5581 parameter to a "bool *" and set *DATA to false if there is
5582 an unsafe access. Do not delete the structure here.
5583 (check_cond_exprs): Delete it here instead.
5584 (check_cond_exprs, exclude_cold_structs): Do not increase
5585 I when removing a structure.
5587 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
5590 * config/i386/i386.c (ix86_expand_vector_init): Consider only
5591 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
5593 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
5596 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
5597 a fixed vector for stack.
5599 2008-01-24 Ben Elliston <bje@au.ibm.com>
5602 * doc/gcc.texi (Software development): Add a direntry for g++.
5604 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
5606 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
5607 stale and straggling -fforce-addr comments above.
5609 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
5611 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
5612 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
5614 2008-01-23 Michael Matz <matz@suse.de>
5617 * dwarf2out.c (force_type_die): Use modified_type_die instead of
5620 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
5622 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
5625 2008-01-23 Anatoly Sokolov <aesok@post.ru>
5627 * config/avr/avr.c (avr_current_arch): New variable.
5628 (avr_arch_types): Add 'avr31' and 'avr51' entries.
5629 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
5630 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
5631 (avr_override_options): Init 'avr_current_arch'.
5632 (base_arch_s): Move from here...
5633 * config/avr/avr.h (base_arch_s): ... here. Add new members
5634 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
5635 'mega' to 'have_jmp_call'.
5636 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
5637 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
5639 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
5641 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
5642 MULTILIB_MATCHES): (Ditto.).
5644 2008-01-23 Richard Guenther <rguenther@suse.de>
5647 * cgraphunit.c (cgraph_reset_node): Always mark the node
5648 not reachable if it is not queued already.
5650 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
5652 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
5653 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
5654 (cputype_selected): New static variable.
5655 (bfin_handle_option): Set it if -mcpu is used.
5656 (override_option): Select default set of workarounds if no cpu type
5657 selected on the command line.
5658 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
5660 From Michael Frysinger <michael.frysinger@analog.com>
5661 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
5662 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
5664 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
5665 for bf547, bf523, bf524, and bf526.
5666 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
5668 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5669 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
5670 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
5671 __ADSPBF547__ and __ADSPBF54x__ for bf547.
5672 * doc/invoke.texi (Blackfin Options): Document that
5673 -mcpu now accept bf547, bf523, bf524, and bf526.
5675 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
5677 PR rtl-optimization/34628
5678 * combine.c (try_combine): Stop and undo after the first combination
5679 if an autoincrement side-effect on the first insn has effectively
5682 2008-01-22 David Edelsohn <edelsohn@gnu.org>
5685 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
5686 Offset addresses are not valid for Altivec or paired float modes.
5688 2008-01-22 Jakub Jelinek <jakub@redhat.com>
5691 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
5692 if DECL_INITIAL (decl) is error_mark_node.
5695 * c-common.c (handle_vector_size_attribute): Only allow
5696 integral, scalar float and fixed point types. Handle OFFSET_TYPE
5697 the same way as pointer, array etc. types.
5698 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
5701 * tree.c (build_type_attribute_qual_variant): Call
5702 build_qualified_type if attributes are equal, but quals are not.
5704 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5707 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
5708 * flags.h (warn_strict_aliasing): Remove.
5709 (warn_strict_overflow): Remove.
5710 * opts.c (warn_strict_aliasing): Remove.
5711 (warn_strict_overflow): Remove.
5712 * c-opts.c (c_common_handle_option): -Wall only sets
5713 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
5714 (c_common_post_options): Give default values to -Wstrict-aliasing
5715 and -Wstrict-overflow if they are uninitialized.
5716 * common.opt (Wstrict-aliasing): Specify Var and Init.
5717 (Wstrict-overflow): Likewise.
5719 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5721 PR rtl-optimization/26854
5722 PR rtl-optimization/34400
5723 PR rtl-optimization/34884
5724 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
5726 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
5727 (df_rd_bb_info.expanded_lr_out): Deleted
5728 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
5729 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
5730 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5731 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5732 Removed code to allocate, initialize or free expanded_lr_out.
5733 (df_rd_bb_local_compute_process_def): Restructured to make more
5735 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
5736 sets if the sets are being trimmed.
5738 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
5741 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
5742 (as_vers): Likewise.
5743 * configure: Regenerated.
5745 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5748 * tree-pass.h (pass_build_alias): New pass.
5749 * tree-ssa-alias.c (gate_build_alias): New.
5750 (pass_build_alias): New.
5751 * passes.c (init_optimization_passes): Add pass_build_alias after
5752 pass_create_structure_vars.
5754 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
5756 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
5757 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
5758 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
5759 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
5760 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
5761 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
5762 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
5763 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
5764 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
5765 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
5766 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
5767 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
5768 * config/s390/s390.md (FP_ALL): New mode iterator.
5769 (_d): New mode attribute.
5770 ("*signbit<mode>2>"): Changed mode of first operand.
5771 ("isinf<mode>2"): Changed mode of first operand.
5772 ("*TDC_insn"): Adaptation for DFP modes.
5774 2008-01-22 Ben Elliston <bje@au.ibm.com>
5776 * tree.c (check_qualified_type): Improve function description.
5778 2008-01-21 Jason Merrill <jason@redhat.com>
5781 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
5782 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
5785 2008-01-21 DJ Delorie <dj@redhat.com>
5787 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
5790 2008-01-21 Richard Guenther <rguenther@suse.de>
5793 * tree-cfg.c (verify_expr): Allow all invariant expressions
5794 instead of just constant class ones as reference argument.
5795 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
5796 like any other constant.
5797 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
5799 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
5801 * regmove.c (fixup_match_1): Update call crossed frequencies.
5803 2008-01-21 Richard Guenther <rguenther@suse.de>
5806 * tree-inline.c (setup_one_parameter): Deal with mismatched
5807 types using a VIEW_CONVERT_EXPR.
5809 2008-01-21 Alon Dayan <alond@il.ibm.com>
5810 Olga Golovanevsky <olga@il.ibm.com>
5812 PR tree-optimization/34701
5813 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
5814 when the structure size is not a power of 2.
5816 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
5818 * doc/install.texi: Add doc for --enable-checking=df.
5820 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
5822 PR rtl-optimization/34808
5823 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
5825 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
5827 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
5830 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5832 PR rtl-optimization/26854
5833 PR rtl-optimization/34400
5834 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
5836 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
5837 (df_rd_bb_info.expanded_lr_out): New.
5838 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
5839 * loop_iv.c (iv_analysis_loop_init): Ditto.
5840 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5841 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5842 Added code to allocate, initialize or free expanded_lr_out.
5843 (df_rd_bb_local_compute_process_def): Restructured to make
5844 more understandable.
5845 (df_rd_confluence_n): Add code to do nothing with fake edges and
5846 code to no apply invalidate_by_call sets if the sets are being trimmed.
5847 (df_lr_local_finalize): Renamed to df_lr_finalize.
5848 (df_live_local_finalize): Renamed to df_live_finalize.
5850 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
5853 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
5854 deciding whether to use reciprocal instructions.
5856 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
5858 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
5859 dwarf2out_note_section_used if cold_text_section is NULL.
5861 2008-01-19 Jakub Jelinek <jakub@redhat.com>
5863 PR gcov-profile/34610
5864 * tree-cfg.c (make_edges): Mark both outgoing edges from
5865 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
5866 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
5867 from OMP_FOR and OMP_CONTINUE outgoing edges.
5869 * tree-profile.c (tree_profiling): Return early if
5870 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
5872 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
5873 from cfun to child_cfun.
5874 * function.h (struct function): Add after_tree_profile bit.
5876 2008-01-19 Anatoly Sokolov <aesok@post.ru>
5878 * config/avr/avr.S (_exit): Disable interrupt.
5880 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
5881 Steven Bosscher <stevenb.gcc@gmail.com>
5883 PR rtl-optimization/26854
5884 PR rtl-optimization/34400
5885 * df-problems.c (df_live_scratch): New scratch bitmap.
5886 (df_live_alloc): Allocate df_live_scratch when doing df_live.
5887 (df_live_reset): Clear the proper bitmaps.
5888 (df_live_bb_local_compute): Only process the artificial defs once
5889 since the order is not important.
5890 (df_live_init): Init the df_live sets only with the variables
5891 found live by df_lr.
5892 (df_live_transfer_function): Use the df_lr sets to prune the
5893 df_live sets as they are being computed.
5894 (df_live_free): Free df_live_scratch.
5896 2008-01-18 Ian Lance Taylor <iant@google.com>
5898 * common.opt: Add fmerge-debug-strings.
5899 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
5900 flag_merge_debug_strings rather than flag_merge_constants.
5901 * doc/invoke.texi (Option Summary): Mention
5902 -fmerge-debug-strings.
5903 (Debugging Options): Document -fmerge-debug-strings.
5905 2008-01-18 Ian Lance Taylor <iant@google.com>
5908 * tree.h (DECL_IS_OPERATOR_NEW): Define.
5909 (struct tree_function_decl): Add new field operator_new_flag.
5910 * tree-inline.c (expand_call_inline): When inlining a call to
5911 operator new, force the return value to go into a variable, and
5912 set DECL_NO_TBAA_P on that variable.
5913 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
5915 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
5918 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
5919 DWARF2_DEBUGGING_INFO.
5920 (dwarf2out_note_section_used): Ditto. Add prototype.
5921 (have_multiple_function_sections, text_section_used,
5922 cold_text_section_used, *cold_text_sections): Move declarations
5925 2008-01-17 Bob Wilson <bob.wilson@acm.org>
5927 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
5928 field and add signal_ra.
5929 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
5930 assignments to frame state pc. Move end of stack check after
5931 MD_FALLBACK_FRAME_STATE_FOR.
5932 (uw_update_context_1): Use frame state signal_regs if set, instead
5933 of checking signal_frame flag.
5934 (uw_update_context): Use frame state signal_ra if set.
5935 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
5936 * config/xtensa/linux-unwind.h: New file.
5938 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
5940 * modulo-sched.c (get_sched_window): Fix comment typo.
5942 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
5944 PR tree-optimization/34648
5945 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
5947 2008-01-17 Anatoly Sokolov <aesok@post.ru>
5949 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
5950 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
5952 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
5954 PR rtl-optimization/34400
5955 * df-core.c (df_worklist_dataflow_overeager,
5956 df_worklist_dataflow_doublequeue): New functions.
5957 (df_worklist_dataflow): Two different worklist solvers.
5958 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
5961 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5964 * doc/invoke.texi: Document the dependence on pthread for fopenmp
5965 and ftree-parallelize-loops.
5967 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
5969 PR rtl-optimization/34826
5970 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
5972 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
5974 * global.c (find_reg): Mark the eh regs as used if necessary.
5975 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
5976 * ra.h (struct allocno): no_eh_reg field added. Changed
5977 no_stack_reg type to bitfield.
5979 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
5981 * tree.c (substitute_in_expr): Add missing 'break'.
5983 2008-01-17 Richard Guenther <rguenther@suse.de>
5985 PR tree-optimization/34825
5986 * tree-ssa-math-opts.c (is_division_by): Do not recognize
5987 x / x as division to handle.
5989 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5991 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
5992 "-pthread" is specified.
5993 * pa-hpux11.h (LIB_SPEC): Likewise.
5995 2008-01-16 Janis Johnson <janis187@us.ibm.com>
5996 Peter Bergner <bergner@vnet.ibm.com>
5998 PR rtl-optimization/33796
5999 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
6001 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6003 PR libgfortran/34699
6004 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
6006 * pa-hpux10.h (LINK_SPEC): Likewise.
6007 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
6009 2008-01-16 Richard Guenther <rguenther@suse.de>
6012 * fold-const.c (fold_convert_const_int_from_int): Do not
6013 set overflow if that occured only because of a sign extension
6014 change when converting from/to a sizetype with the same
6015 precision and signedness.
6017 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6020 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
6021 location address to the correct place. Update copyright year.
6023 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6025 * lambda-code.c (lambda_transform_legal_p): Handle the case of
6026 no dependences in the dependence_relations vector.
6028 2008-01-16 Jan Hubicka <jh@suse.cz>
6030 PR rtl-optimization/31396
6031 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
6032 * cfg.c (dump_reg_info): Print it.
6033 * regs.h (struct reg_info_t): add freq_calls_crossed.
6034 (REG_FREQ_CALLS_CROSSED): New macro.
6035 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
6036 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
6037 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
6038 regmove_optimize): Update call crossed frequencies.
6039 * local-alloc.c (struct qty): Add freq_calls_crossed.
6040 (alloc_qty): Copute freq_calls_crossed.
6041 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
6042 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
6043 * ra.h (struct allocno): Add freq_calls_crossed.
6045 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6047 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
6048 libgomp when compiling with ftree-parallelize-loops.
6049 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
6051 2008-01-16 Richard Guenther <rguenther@suse.de>
6053 PR tree-optimization/34769
6054 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
6055 * tree.c (int_cst_value): Instead make this function more
6056 permissive in what it accepts as valid input. Document this
6057 function always sign-extends the value.
6059 2008-01-16 Jakub Jelinek <jakub@redhat.com>
6060 Richard Guenther <rguenther@suse.de>
6063 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
6064 (gimple_fold_indirect_ref_rhs): ... this.
6065 (gimple_fold_indirect_ref): New function with foldings
6066 that preserve lvalueness.
6067 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
6068 * tree-flow.h (gimple_fold_indirect_ref): Declare.
6069 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
6070 to fold an INDIRECT_REF, fall back to the old use of
6071 fold_indirect_ref_1.
6073 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6075 * tree-data-ref.c (subscript_dependence_tester_1): Call
6076 free_conflict_function.
6077 (compute_self_dependence): Same.
6079 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6082 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
6083 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
6085 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
6086 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
6087 for DWARF2_UNWIND_INFO targets.
6089 2008-01-16 Richard Guenther <rguenther@suse.de>
6092 * c-typeck.c (common_pointer_type): Do not merge inconsistent
6093 type qualifiers for function types.
6095 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
6097 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
6098 loop_iterator li from previous commit.
6100 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
6102 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
6104 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6106 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
6107 (parallelize_loops): Don't parallelize irreducible components.
6109 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6112 * c-opts (c_common_post_options): Do not enable CPP
6113 flag_pedantic_errors by default.
6115 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
6117 PR rtl-optimization/31944
6118 * cse.c (remove_pseudo_from_table): New function.
6119 (merge_equiv_classes): Use above function to remove pseudo-registers.
6120 (invalidate): Likewise.
6122 2008-01-13 Richard Guenther <rguenther@suse.de>
6125 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
6126 instead of TYPE_MODE to deal with calls from expand_one_error_var.
6128 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
6130 * gcse.c (cprop_jump): Call validate_unshare_change instead of
6131 validate_change to unshare the source of the PC set.
6133 2008-01-12 Jan Hubicka <jh@suse.cz>
6136 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
6137 references above array bounds. This might trigger bounds checks for
6140 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6142 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
6143 new_replaceable_dependencies.
6145 2008-01-12 Doug Kwan <dougkwan@google.com>
6147 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
6148 instead of OPT_Wreturn_type in warning due to ignored return type
6150 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
6151 options included in -Wextra.
6152 * c.opt: New option -Wignored_qualifiers.
6153 * doc/invoke.texi (Warning Options, -Wextra): Add new option
6154 -Wignore_qualifiers.
6155 (-Wignored-qualifiers): Document.
6156 (-Wreturn-type): Remove description of functionality now handled
6157 by -Wignored-qualifiers.
6159 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
6162 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
6163 NOP_EXPR if it is between integral types with the same precision.
6165 2008-01-12 Jan Hubicka <jh@suse.cz>
6168 * invoke.texi (max-inline-recursive-depth): Fix default value.
6170 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
6172 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
6175 2008-01-11 Bob Wilson <bob.wilson@acm.org>
6177 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
6179 2008-01-11 James E. Wilson <wilson@specifix.com>
6182 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
6184 2008-01-11 Anatoly Sokolov <aesok@post.ru>
6186 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
6187 save/restore frame pointer register and don't use 'call-prologues'
6188 optimization in function with "OS_task" attribute.
6190 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
6193 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
6194 when copying to memory.
6196 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
6198 PR rtl-optimization/30905
6199 * cfgcleanup.c: Include dce.h
6200 (crossjumps_occured): New global variable.
6201 (try_crossjump_bb): Exit loop after finding a fallthru edge.
6202 If something changed, set crossjumps_occured to true.
6203 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
6204 Don't add/remove fake edges to exit here...
6205 (cleanup_cfg): ...but do it here, when crossjumping.
6206 Run a fast DCE when successful crossjumps occured in the latest
6207 iteration of try_optimize_cfg.
6209 2008-01-11 Richard Guenther <rguenther@suse.de>
6211 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
6212 (struct vn_unary_op_s): Likewise.
6213 (vn_reference_insert): Free old reference on hash collision.
6215 2008-01-10 Raksit Ashok <raksit@google.com>
6217 PR rtl-optimization/27971
6218 * combine.c (find_split_point): Split PLUS expressions which are
6219 inside a MEM rtx, and whose first operand is complex.
6221 2008-01-10 DJ Delorie <dj@redhat.com>
6223 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
6224 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
6225 (m32c_hard_regno_ok): Call the underlying function.
6227 2008-01-10 Richard Guenther <rguenther@suse.de>
6230 * tree-cfg.c (tree_merge_blocks): Do not go through the
6231 full-blown folding and stmt updating path if we just deal
6232 with virtual operands.
6233 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
6234 test for abnormal SSA_NAMEs.
6236 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
6239 * reload.c (push_reload): Add assertions. All constants from
6240 reg_equiv_constant should have been used for replacing the respective
6242 (find_reloads_address): Invoke find_reloads_address_part for
6243 constant taken from the reg_equiv_constant array.
6245 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
6247 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
6248 field (valnum) the first in the struct. Replace bools with
6251 2008-01-10 Richard Guenther <rguenther@suse.de>
6253 PR tree-optimization/34651
6254 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
6255 types and ordering for masking and converting.
6257 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
6259 PR tree-optimization/34017
6260 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
6261 also for PHI_NODE expressions.
6263 2008-01-09 Jan Hubicka <jh@suse.cz>
6265 PR tree-optimization/34708
6266 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
6267 based on number of case labels.
6268 (init_inline_once): Remove switch_cost.
6269 * tree-inline.h (eni_weights_d): Remove switch_cost.
6271 2008-01-09 Richard Guenther <rguenther@suse.de>
6272 Andrew Pinski <andrew_pinski@playstation.sony.com>
6275 * gimplify.c (gimplify_cond_expr): Do not create an addressable
6276 temporary if an rvalue is ok or an lvalue is not required.
6278 2008-01-09 Richard Guenther <rguenther@suse.de>
6281 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
6284 2008-01-09 Richard Guenther <rguenther@suse.de>
6287 * tree.c (host_integerp): Check for sizetype only if the
6288 type is an integer type.
6290 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
6293 * opts.c (decode_options): Disable inlining of functions called
6294 once if not in unit-at-a-time mode.
6296 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
6298 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
6300 2008-01-08 Richard Guenther <rguenther@suse.de>
6303 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
6304 out early if the result will be unused.
6306 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6311 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6312 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6315 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
6317 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
6318 for vectorization tuned.
6320 2008-01-08 Richard Guenther <rguenther@suse.de>
6322 PR tree-optimization/34683
6323 * tree-ssa-operands.c (operand_build_cmp): Export.
6324 * tree-ssa-operands.h (operand_build_cmp): Declare.
6325 * tree-vn.c (vuses_compare): Remove.
6326 (sort_vuses): Use operand_build_cmp.
6327 (sort_vuses_heap): Likewise.
6328 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
6329 to re-use old VEC if available. Do not sort already sorted VUSEs.
6330 (vdefs_to_vec): Do not sort already sorted VDEFs.
6332 2008-01-08 Jakub Jelinek <jakub@redhat.com>
6335 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
6337 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6340 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
6341 limitations of reciprocal sequences on x86 targets.
6343 2008-01-08 Richard Guenther <rguenther@suse.de>
6345 PR tree-optimization/34683
6346 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
6348 2008-01-07 Jakub Jelinek <jakub@redhat.com>
6351 * config/darwin.c (darwin_mergeable_string_section): Don't use
6352 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
6354 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
6357 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
6358 negxf2. Macroize expander using X87MODEF mode iterator. Change
6359 predicates of op0 and op1 to register_operand.
6360 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
6361 expander using X87MODEF mode iterator. Change predicates of
6362 op0 and op1 to register_operand.
6363 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
6364 corresponding patterns and macroize using MODEF macro. Change
6365 predicates of op0 and op1 to register_operand and remove
6366 "m" constraint. Disparage "r" alternative with "!".
6367 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
6368 macroize using X87MODEF macro. Change predicates of op0 and op1
6369 to register_operand and remove "m" constraint. Disparage "r"
6370 alternative with "!".
6371 (absneg splitter with memory operands): Remove.
6372 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
6373 patterns and macroize using X87MODEF mode iterator.
6374 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
6375 Change predicate of op1 to register_operand.
6376 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
6377 for memory operands.
6379 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
6381 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
6383 2008-01-07 Richard Guenther <rguenther@suse.de>
6385 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
6388 2008-01-07 Richard Guenther <rguenther@suse.de>
6390 PR tree-optimization/34683
6391 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
6392 VOPs of the needed size to save memory. Use VEC_quick_push
6393 to save compile-time.
6394 (vdefs_to_vec): Likewise.
6396 2008-01-07 Sa Liu <saliu@de.ibm.com>
6398 * config/spu/spu.md (divdf3): Genetate inline code for double
6399 division. The implementation doesn't handle INF or NAN, therefore it
6400 only applies when -ffinite-math-only is given.
6402 2008-01-06 Paolo Carlini <pcarlini@suse.de>
6405 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
6406 * doc/cpp.texi ([Common Predefined Macros]): Document.
6408 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
6410 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
6411 order to use commutative addition instead of subtraction.
6413 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
6414 Mircea Namolaru <namolaru@il.ibm.com>
6415 Vladimir Yanovsky <yanov@il.ibm.com>
6416 Revital Eres <eres@il.ibm.com>
6418 PR tree-optimization/34263
6419 * tree-outof-ssa.c (process_single_block_loop_latch,
6420 contains_tree_r): New functions.
6421 (analyze_edges_for_bb): Call process_single_block_loop_latch
6422 function to empty single-basic-block latch block if possible.
6424 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6426 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6428 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
6430 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6432 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
6434 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6436 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
6438 2008-01-05 Jakub Jelinek <jakub@redhat.com>
6440 PR tree-optimization/34618
6441 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
6444 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6447 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
6448 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
6449 Update copyright year.
6451 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
6452 Update copyright year.
6453 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
6456 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
6458 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
6459 edge does not point to current bb before changing need_assert.
6461 2008-01-04 Richard Guenther <rguenther@suse.de>
6464 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
6465 for verifying purposes if they are is_gimple_min_invariant.
6467 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
6469 PR tree-optimization/34448
6470 PR tree-optimization/34465
6471 * gimplify.c (gimplify_init_constructor): Add new parameter
6472 notify_temp_creation. Use it.
6473 (gimplify_modify_expr_rhs): Take volatiles into account when
6474 optimizing constructors.
6475 Do not optimize constructors if gimplify_init_constructor will dump to
6477 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
6478 * gcc.c-torture/compile/pr34448.c: New.
6480 2008-01-04 Jakub Jelinek <jakub@redhat.com>
6482 PR gcov-profile/34609
6483 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
6484 return_slot if result is TREE_ADDRESSABLE.
6486 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
6488 * config/mips/mips.md (sqrt_condition): Tweak comment.
6489 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
6491 2008-01-03 Tom Tromey <tromey@redhat.com>
6494 * c-common.c (c_type_hash): Handle VLAs.
6496 2008-01-03 Jan Hubicka <jh@suse.cz>
6498 PR tree-optimization/31081
6499 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
6500 0 when inlining and not inlining to first basic block.
6501 (remap_decl): When var is initialized to 0, don't set default_def.
6502 (expand_call_inline): Set entry_bb.
6503 * tree-inline.h (copy_body_data): Add entry_bb.
6505 2008-01-03 Jakub Jelinek <jakub@redhat.com>
6508 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
6511 PR tree-optimization/29484
6512 * tree-inline.c (inline_forbidden_p_2): New function.
6513 (inline_forbidden_p): Disallow inlining if some static var
6514 has an address of a local LABEL_DECL in its initializer.
6515 * doc/extend.texi (Labels as Values): Document &&foo behaviour
6518 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
6520 PR tree-optimization/34635
6521 * tree-data-ref.c (add_other_self_distances): Make sure that the
6522 evolution step is constant.
6524 2008-01-03 Jakub Jelinek <jakub@redhat.com>
6527 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
6529 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
6531 * tree-sra.c (scalarize_init): Insert the generate_element_init
6532 statements after the generate_element_zero statements.
6534 2008-01-02 Richard Guenther <rguenther@suse.de>
6538 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
6539 for very large number of operands instead of ICEing.
6541 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
6544 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
6545 while stack probing.
6547 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
6549 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
6552 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
6555 * tree-mudflap.c (mx_register_decls): Guard warning by
6556 !DECL_ARTIFICIAL check.
6558 2008-01-01 Jakub Jelinek <jakub@redhat.com>
6560 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
6561 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
6562 sse5_perm<mode>): Fix constraints.