1 2008-04-16 Zuxy Meng <zuxy.meng@gmail.com>
4 * config/i386/winnt.c (i386_pe_section_type_flags): Mark
5 ".text.unlikely" section as executable.
7 2008-04-14 James E. Wilson <wilson@tuliptree.org>
9 * config/ia64/ia64.c (rtx_needs_barrier): Handle
10 UNSPEC_FR_SQRT_RECIP_APPROX_RES.
11 * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
12 (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
13 divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
14 divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
15 divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
17 2008-04-14 Ian Lance Taylor <iant@google.com>
19 * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
20 * fold-const.c (fold_comparison): If appropriate, test
21 POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
22 (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
23 reassociating a pointer type.
24 * doc/invoke.texi (Optimize Options): Document that
25 -fstrict-overflow applies to pointer wraparound.
27 2008-04-13 Jan Hubicka <jh@suse.cz>
29 * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
31 2008-04-12 Andrew Pinski <pinskia@gmail.com>
33 * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
34 we are going to "save the world".
36 2008-04-13 Hans-Peter Nilsson <hp@axis.com>
38 * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
39 ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
40 operand 0 constraint, not "=".
42 2008-04-11 James E. Wilson <wilson@tuliptree.org>
44 * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
46 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
48 * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
49 of size of positions_needed * CHAR_BIT.
51 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
54 * dse.c (store_info): Change positions_needed to unsigned
56 (lowpart_bitmask): New.
57 (record_store): Cast to unsigned HOST_WIDE_INT for
58 positions_needed. Assert width <= size of positions_needed *
59 CHAR_BIT. Call lowpart_bitmask to initialize positions_needed.
60 (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask. Call
61 lowpart_bitmask to set mask.
63 2008-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
65 * config/bfin/constraints.md: New file.
66 * config/bfin/bfin.md: Include it.
67 (adddi3): Use satisfies_constraint functions instead of the old macros.
68 * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
69 CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
70 CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
71 CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
72 CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
73 CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
74 EXTRA_CONSTRAINT): Delete.
75 * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
76 reg_or_neg7bit_operand): Use satisfies_constraint functions instead
78 * config/bfin/bfin.c: Include "tm-constrs.h".
79 (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
80 Use satisfies_constraint functions instead of the old macros.
81 * doc/md.texi (Blackfin Constraints): Update file name reference.
83 2008-04-11 Richard Guenther <rguenther@suse.de>
85 PR tree-optimization/35869
86 * tree-vrp.c (execute_vrp): Move switch statement update after
87 jump threading. Schedule another cfg cleanup run.
89 2008-04-11 Volker Reichelt <v.reichelt@netcologne.de>
92 * attribs.c (decl_attributes): Return early on errorneous node.
94 2008-04-10 Oleg Ryjkov <olegr@google.com>
96 * tree.h (struct tree_base): Added a new flag default_def_flag.
97 (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
99 2008-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
101 * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
103 2008-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
106 * pa.md: Define mode iterator P. Define mode attribute dwc.
107 (dcacheflush): Update pattern to use iterator P and attribute dwc.
108 (icacheflush): Likewise.
109 * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
110 !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
112 2008-04-11 Ben Elliston <bje@au.ibm.com>
114 * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
116 2008-04-10 Rafael Espindola <espindola@google.com>
118 * gcc/tree-vrp.c (extract_range_from_binary_expr): Don't handle
119 TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
120 (extract_range_from_expr): The same.
122 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
124 * config/mips/mips.md (GPR2): New mode iterator.
126 (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
127 *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
128 *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
129 Rewrite these to take two modes, the mode of comparison and the
130 mode of the destination.
131 * config/mips/mips.c (mips_expand_scc): Instead of having
132 paradoxical subreg as destination, expand "narrowing" scc if mode
133 of comparison is SI and target is requested in DI mode.
134 (mips_emit_int_order_test): Update comment. Make mode of
135 comparison match CMP0 rather than TARGET. When creating inverse
136 target use mode of TARGET.
138 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
140 * gcov-dump.c (tag_summary): Only print summaries for the first
141 GCOV_COUNTERS_SUMMABLE counters.
143 2008-04-10 Uros Bizjak <ubizjak@gmail.com>
145 * config/i386/i386.md (absneg): New code iterator.
146 (absnegprefix): New code attribute.
147 (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
148 patterns using absneg code iterator.
149 (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
150 using absneg code iterator.
151 (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
152 *neg<mode>2 patterns using absneg code iterator.
153 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
154 *negextendsfdf2 patterns using absneg code iterator.
155 (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
156 *negextendsfxf2 patterns using absneg code iterator.
157 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
158 *negextendsfdf2 patterns using absneg code iterator.
159 * config/i386/sse.md (<code><mode>2): Macroize expander from
160 abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
162 2008-04-10 Andreas Krebbel <krebbel1@de.ibm.com>
164 * config/s390/s390.h: Remove the remains of the recent search
165 & replace action of current_function_outgoing_args_size.
167 2008-04-10 Ira Rosen <irar@il.ibm.com>
169 PR tree-optimization/35821
170 * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
171 NEW_STMT_LIST is not NULL.
173 2008-04-09 David Edelsohn <edelsohn@gnu.org>
176 * toplev.c (process_options): Remove -ffunction-sections debugging
179 2008-04-09 Peter Bergner <bergner@vnet.ibm.com>
181 PR middle-end/PR28690
182 * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
183 than gen_rtx_fmt_ee to perform more canonicalizations.
185 2008-04-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
188 * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
190 2008-04-09 Richard Guenther <rguenther@suse.de>
192 * tree-cfg.c (verify_stmt): Print complete bogus stmt.
193 (dump_function_to_file): Dump function arguments with types.
195 2008-04-08 Richard Guenther <rguenther@suse.de>
197 * fold-const.c (fold_widened_comparison): Do not allow
198 sign-changes that change the result.
200 2008-04-08 Janis Johnson <janis187@us.ibm.com>
203 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
204 kinds of indirect references.
206 2008-04-08 David Edelsohn <edelsohn@gnu.org>
208 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
209 GNU Fortran language string.
211 2008-04-08 Rafael Espindola <espindola@google.com>
213 * fold-canst.c (tree_call_nonnegative_warnv_p): New.
214 (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
215 * tree.h (tree_call_nonnegative_warnv_p): New.
217 2008-04-08 Jan Hubicka <jh@suse.cz>
219 * function.c (free_after_compilation): Clear out regno_reg_rtx
222 2008-04-08 Peter Bergner <bergner@vnet.ibm.com>
225 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
227 PR middle-end/PR28690
228 * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
229 same precedence as REG_POINTER and MEM_POINTER operands.
231 2008-04-08 Richard Guenther <rguenther@suse.de>
234 * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
235 for adding index to base.
237 2008-04-08 Kai Tietz <kai.tietz@onevision.com>
239 * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
240 (MINGW_ENABLE_EXECUTE_STACK): New.
241 (IN_LIBGCC2): For libgcc include windows.h file for
242 function declarations.
244 2008-04-08 Hans-Peter Nilsson <hp@axis.com>
246 * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
247 and tem2 if tem1 is not a REG or MULT.
249 2008-04-08 Jan Hubicka <jh@suse.cz>
251 * function.h (incomming_args): Break out of struct function.
252 (function_subsections): Break out of struct function.
253 (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
254 return_rtx and hard_reg_initial_vals from struct function.
255 Kill inl_max_label_num.
256 (current_function_pops_args, current_function_args_info,
257 current_function_args_size, current_function_args_size,
258 current_function_pretend_args_size,
259 current_function_outgoing_args_size,
260 current_function_internal_arg_pointer, current_function_return_rtx):
261 Kill compatibility accestor macros.
262 * builtins.c (expand_builtin_apply_args_1): Update.
263 (expand_builtin_next_arg): Update.
264 * df-scan.c (df_get_call_refs): Update.
265 * dbxout.c (dbxout_function_end): Update.
266 * dwarf2out.c (dwarf2out_switch_text_section): Update.
267 (output_line_info): Update.
268 (secname_for_decl): Update.
269 (dwarf2out_var_location): Update.
270 * function.c (free_after_compilation): Update.
271 (assign_parm_find_stack_rtl): Update.
272 (assign_parms): Update.
273 (expand_dummy_function_end): Update.
274 (expand_function_end): Update.
275 * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
276 (expand_call): Update.
277 (emit_library_call_value_1): Update.
278 (store_one_arg): Update.
279 * varasm.c (initialize_cold_section_name): Update.
280 (unlikely_text_section): Update.
281 (unlikely_text_section_p): Update.
282 (assemble_start_function): Update.
283 (assemble_end_function): Update.
284 (default_section_type_flags): Update.
285 (switch_to_section): Update.
286 * integrate.c (set_decl_abstract_flags): Update.
287 (get_hard_reg_initial_val): Update.
288 (has_hard_reg_initial_val): Update.
289 (allocate_initial_values): Update.
290 * resource.c (init_resource_info): Update.
291 * config/alpha/alpha.c (NUM_ARGS): Update.
292 (direct_return): Update.
293 (alpha_va_start): Update.
294 (alpha_sa_size): Update.
295 (alpha_initial_elimination_offset): Update.
296 (alpha_expand_prologue): Update.
297 (alpha_start_function): Update.
298 (alpha_expand_epilogue): Update.
299 (unicosmk_initial_elimination_offset):
300 * config/alpha/alpha.md (call expander): Update.
301 * config/s390/s390.c (s390_register_info): Update.
302 (s390_register_info): Update.
303 (s390_frame_info): Update.
304 (s390_initial_elimination_offset): Update.
305 (s390_build_builtin_va_list): Update.
306 (s390_va_start): Update.
307 * config/spu/spu.c (direct_return): Update.
308 (spu_expand_prologue): Update.
309 (spu_initial_elimination_offset): Update.
310 (spu_build_builtin_va_list): Update.
311 (spu_va_start): Update.
312 * config/sparc/sparc.c (sparc_init_modes): Update.
313 (sparc_compute_frame_size): Update.
314 (function_value): Update.
315 * config/m32r/m32r.c (m32r_compute_frame_size): Update.
316 * config/i386/i386.md (return expander): Update.
317 * config/i386/i386.c (ix86_va_start): Update.
318 (ix86_can_use_return_insn_p): Update.
319 (ix86_compute_frame_layout): Update.
320 (ix86_expand_epilogue): Update.
321 * config/sh/sh.c (output_stack_adjust): Update.
322 (calc_live_regs): Update.
323 (sh_expand_prologue): Update.
324 (sh_builtin_saveregs): Update.
325 (sh_va_start): Update.
326 (initial_elimination_offset): Update.
327 (sh_allocate_initial_value): Update.
328 (sh_function_ok_for_sibcall): Update.
329 (sh_get_pr_initial_val): Update.
330 * config/sh/sh.md (return expander): Update.
331 * config/avr/avr.c (frame_pointer_required_p): UPdate.
332 * config/crx/crx.c (crx_compute_frame): UPdate.
333 (crx_initial_elimination_offset): UPdate.
334 * config/xtensa/xtensa.c (compute_frame_size): Update
335 (xtensa_builtin_saveregs): Update.
336 (xtensa_va_start): Update.
337 (order_regs_for_local_alloc): Update.
338 * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
339 (xstormy16_expand_builtin_va_start): Update.
340 * config/fr30/fr30.c (fr30_compute_frame_size): Update.
341 * config/m68hc11/m68hc11.md (return expanders): Update.
342 * config/m68hc11/m68hc11.c (expand_prologue): Update.
343 (expand_epilogue): Update.
344 * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
345 (cris_simple_epilogue): Update.
346 (cris_expand_prologue): Update.
347 (cris_expand_epilogue): Update.
348 * config/iq2000/iq2000.c (iq2000_va_start): Update.
349 (compute_frame_size): Update.
350 * config/mt/mt.c (mt_compute_frame_size): Update.
351 * config/mn10300/mn10300.c (expand_prologue): Update.
352 (expand_epilogue): Update.
353 (initial_offset): Update.
354 (mn10300_builtin_saveregs):
355 * config/mn10300/mn10300.md (return expander): Update.
356 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
357 (ia64_initial_elimination_offset): Update.
358 (ia64_initial_elimination_offset): Update.
359 (ia64_expand_prologue): Update.
360 * config/m68k/m68k.md (return expander): Update.
361 * config/rs6000/rs6000.c (rs6000_va_start): Update.
362 (rs6000_stack_info): Update.
363 * config/mcore/mcore.c (layout_mcore_frame): Update.
364 (mcore_expand_prolog): Update.
365 * config/arc/arc.c (arc_compute_frame_size): Update.
366 * config/score/score3.c (score3_compute_frame_size): Update.
367 * config/score/score7.c (score7_compute_frame_size): Update.
368 * config/arm/arm.c (use_return_insn): Update.
369 (thumb_find_work_register): Update.
370 (arm_compute_save_reg_mask): Update.
371 (arm_output_function_prologue): Update.
372 (arm_output_epilogue): Update.
373 (arm_size_return_regs): Update.
374 (arm_get_frame_offsets): Update.
375 (arm_expand_prologue): Update.
376 (thumb_exit): Update.
377 (thumb_unexpanded_epilogue): Update.
378 (thumb1_output_function_prologue): Update.
379 * config/pa/pa.md (return expander): Update.
380 * config/pa/pa.c (compute_frame_size): Update.
381 (hppa_builtin_saveregs): Update.
382 * config/mips/mips.c (mips_va_start): Update.
383 (mips16_build_function_stub): Update.
384 (mips_compute_frame_info): Update.
385 (mips_restore_gp): Update.
386 (mips_output_function_prologue): Update.
387 (mips_expand_prologue): Update.
388 * config/v850/v850.c (compute_frame_size): Update.
389 (expand_prologue): * config/mmix/mmix.c (along): update.
390 (mmix_initial_elimination_offset): update.
391 (mmix_reorg): update.
392 (mmix_use_simple_return): update.
393 (mmix_expand_prologue): update.
394 (mmix_expand_epilogue): Update.
395 * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
396 (emit_link_insn): Update.
398 2008-04-08 Anatoly Sokolov <aesok@post.ru>
400 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
401 __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
403 * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
406 2008-04-07 Jan Hubicka <jh@suse.cz>
408 * function.h (rtl): Rename to x_rtl.
410 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
411 frame_offset, stack_check_probe_note, arg_pointer_save_area,
412 used_temp_slots avail_temp_slots, temp_slot_level,
413 nonlocal_goto_handler_labels): Update accesstors.
414 (rtl): New global variable.
415 (struct function): Move some fileds to rtl_data.
416 (get_arg_pointer_save_area): Update prototype.
417 * builtins.c (expand_builtin_setjmp_receiver): Update call of
418 get_arg_pointer_save_area.
419 * expr.c (init_expr): Update
420 * function.c (get_frame_size): Update
421 (assign_stack_local): Update
422 (expand_function_end): Update.
423 (get_art_pointer_save_area): Update
425 * emit-rtl.c (rtl): Declare.
426 (regno_reg_rtx): Declare.
427 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
429 (gen_reg_rtx): Update.
430 * varasm.c (n_deferred_constatns): Update accestor.
431 (init_varasm_status): Do not allocate varasm_status.
432 (force_const_mem, get_pool_size, output_constant_pool): Update.
433 * stmt.c (force_label_rtx): Do not use x_ prefixes.
434 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
435 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
436 * sparc/sparc.h (INIT_EXPANDERS): Update.
437 * ia64/ia64.h (INIT_EXPANDERS): Update.
439 2008-04-07 James E. Wilson <wilson@tuliptree.org>
441 * reload.c (push_secondary_reload): Add missing break to for loop.
443 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
445 PR middle-end/PR28690
446 * rtlanal.c: Update copyright years.
447 (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
448 as REG_POINTER and MEM_POINTER operands.
449 * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
450 (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
451 * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
452 * gcse.c: Update copyright years.
453 (pre_delete): Call gen_reg_rtx_and_attrs.
454 (hoist_code): Likewise.
455 (build_store_vectors): Likewise.
456 (delete_store): Likewise.
457 * loop-invariant.c (move_invariant_reg): Likewise.
458 Update copyright years.
460 2008-04-07 Uros Bizjak <ubizjak@gmail.com>
462 * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
463 control string instead of quoted.
465 2008-04-07 Kenneth Zadeck <zadeck@naturalbridge.com>
467 * doc/rtl.texi: Rewrite of subreg section.
469 2008-04-07 Kai Tietz <kai.tietz@onevision.com>
472 * config/i386/i386.c (legitimize_pic_address): Add treating
473 of dllimport SYM_REF's.
474 (legitimize_dllimport_symbol): Add prototype.
476 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
478 * fold-const.c (fold) <ARRAY_REF>: New case. Try to fold constant
479 reference in constructor with non self-referential type.
481 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
483 Removal of Return with Depressed Stack Pointer support
484 * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
485 (ECF_SP_DEPRESSED): Likewise.
486 (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
487 * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
488 (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
489 (expand_call): Do not test ECF_SP_DEPRESSED.
490 * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
491 * function.c (keep_stack_depressed): Delete.
492 (handle_epilogue_set): Likewise.
493 (update_epilogue_consts): Likewise.
494 (emit_equiv_load): Likewise.
495 (thread_prologue_and_epilogue_insns): Remove support for Return with
496 Depressed Stack Pointer.
497 * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
499 2008-04-06 Richard Guenther <rguenther@suse.de>
501 PR tree-optimization/35400
502 * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
503 information from SSA_NAMEs.
505 2008-04-06 Anatoly Sokolov <aesok@post.ru>
507 * config/avr/avr.h (avr_mega_p): Remove declaration.
508 (AVR_MEGA): Remove macro.
509 * config/avr/avr.c (avr_mega_p): Remove variable.
510 (avr_override_options): Remove inicializion of avr_mega_p.
511 Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
512 (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
513 (avr_jump_mode): (Ditto.).
514 (avr_output_progmem_section_asm_op): (Ditto.).
515 (avr_asm_init_sections): (Ditto.).
516 (avr_asm_init_sections): (Ditto.).
517 (avr_rtx_costs): (Ditto.).
518 * config/avr/avr.md: (Ditto.).
519 * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
522 2008-04-06 Richard Guenther <rguenther@suse.de>
524 PR tree-optimization/35842
525 * tree-ssa-address.c (fixed_address_object_p): Adjust to match
526 is_gimple_invariant_address.
528 2008-04-06 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
530 * gcc.c (default_compilers): Sync Fortran extensions list with
531 that in fortran/lang-specs.h.
532 * doc/invoke.texi: Likewise.
533 * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
534 * dwarf2out.c (gen_compile_unit_die): Likewise.
536 2008-04-06 Tom G. Christensen <tgc@jupiterrise.com>
538 * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
540 2008-04-05 Uros Bizjak <ubizjak@gmail.com>
543 * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
544 attribute is used for nested functions.
546 2008-04-05 Jan Hubicka <jh@suse.cz>
548 * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
550 * tree-dump.c (dump_enable_all): Remove prototype; do not accept
552 (dump_files): Update.
553 (enable_rtl_dump_file): Do not accept letter argument.
554 * tree-pass.h (dump_file_info): Remove letter argument.
555 * toplev.c (decode_d_option): Update -da handling.
556 * toplev.h (enable_rtl_dump_file): Update prototype.
557 * passes.c (register_one_dump_file): Do not accept IPA argument; work
558 it out based on pass type.
559 (register_dump_files_1): Likewise.
560 (init_optimization_passes): Update register_one_dump_file calls.
561 (execute_one_pass): Sanity check that IPA passes are called at IPA
562 level and RTL passes at RTL level.
563 (execute_pass_list): IPA pass can not be after or subpass of
565 (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
566 disallov RTL subpasses of IPA subpasses.
568 2008-04-05 Ben Elliston <bje@au.ibm.com>
570 * tree-cfg.c (need_fake_edge_p): Return false for calls to
571 builtins that return exactly once and do not throw. Cache call to
574 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
576 PR rtl-optimization/34916
578 * combine.c (create_log_links): Do not create duplicate LOG_LINKS
579 between instruction pairs.
581 2008-04-04 Naveen.H.S <naveen.hs@kpitcummins.com>
583 * doc/invoke.texi: Document -mbitops for SH.
584 * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
585 * config/sh/predicates.md (bitwise_memory_operand): New predicate.
586 * config/sh/sh.c (print_operand): Add %t operand code.
587 * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
588 * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
589 (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
590 (extendqihi2): Likewise.
592 (insv): Use bset, bclr and bst instructions for SH2A if possible.
593 (extv): Use bld instruction for SH2A if possible.
595 (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
596 bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
597 bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
598 (bset.b, bclr.b): Define peepholes.
599 * config/sh/sh.opt (mbitops): New option.
601 2008-04-04 Janis Johnson <janis187@us.ibm.com>
604 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
605 and view convert expression.
607 2008-04-04 Jakub Jelinek <jakub@redhat.com>
610 * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
612 2008-04-04 H.J. Lu <hongjiu.lu@intel.com>
614 * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
616 * config/i386/cpuid.h (bit_AES): New.
617 (bit_PCLMUL): Likewise.
619 * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
620 (override_options): Handle PTA_AES and PTA_PCLMUL. Enable
621 SSE2 if AES or PCLMUL is enabled.
622 (ix86_builtins): Add IX86_BUILTIN_AESENC128,
623 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
624 IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
625 IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
626 (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
627 (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
628 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
629 IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
630 (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
631 (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
632 __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
633 __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
634 __builtin_ia32_aeskeygenassist128 and
635 __builtin_ia32_pclmulqdq128.
636 * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
637 (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
638 IX86_BUILTIN_PSRLDQI128. Handle IX86_BUILTIN_AESKEYGENASSIST128.
640 * config/i386/i386.h (TARGET_AES): New.
641 (TARGET_PCLMUL): Likewise.
642 (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
644 * config/i386/i386.md (UNSPEC_AESENC): New.
645 (UNSPEC_AESENCLAST): Likewise.
646 (UNSPEC_AESDEC): Likewise.
647 (UNSPEC_AESDECLAST): Likewise.
648 (UNSPEC_AESIMC): Likewise.
649 (UNSPEC_AESKEYGENASSIST): Likewise.
650 (UNSPEC_PCLMUL): Likewise.
652 * config/i386/i386.opt (maes): New.
655 * config/i386/sse.md (aesenc): New pattern.
656 (aesenclast): Likewise.
658 (aesdeclast): Likewise.
660 (aeskeygenassist): Likewise.
661 (pclmulqdq): Likewise.
663 * config/i386/wmmintrin.h: New.
665 * doc/extend.texi: Document AES and PCLMUL built-in function.
667 * doc/invoke.texi: Document -maes and -mpclmul.
669 2008-04-04 Paolo Bonzini <bonzini@gnu.org>
671 * function.c (free_after_parsing): Replace with
672 cxx_push_function_context from C++ front-end.
673 (allocate_struct_function): Don't call langhook.
674 * langhooks.h (struct lang_hooks_for_functions): Delete.
675 (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
677 * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
678 (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
679 LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
680 LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
681 (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
682 remove LANG_HOOKS_FUNCTION_INITIALIZER.
683 * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
685 * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
686 Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
688 2008-04-04 Jakub Jelinek <jakub@redhat.com>
691 * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
694 2008-04-04 Richard Guenther <rguenther@suse.de>
697 * fold-const.c (optimize_minmax_comparison): Use the correct
698 type for the constant in the simplified comparison.
700 2008-04-04 Zuxy Meng <zuxy.meng@gmail.com>
702 * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
703 Pass L2 size as "--param l2-cache-size" to the compiler.
704 (decode_l2_cache): New function to decode L2 cache parameters using
705 0x8000006 extended cpuid function.
706 (detect_caches_amd): Determine parameters of L2 cache using
707 decode_l2_caches function.
708 (decode_caches_intel): Decode L2 cache parameters.
709 (detect_caches_intel): Determine L2 cache parameters using
710 decode_caches_intel and decode_l2_caches functions.
712 2008-04-03 Bob Wilson <bob.wilson@acm.org>
714 * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
715 secondary input reload for subword loads from the constant pool.
717 2008-04-03 Janis Johnson <janis187@us.ibm.com>
720 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
721 constants of the appropriate size for runtime calculations.
724 * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
725 decimal-float literal constant zero.
727 2008-04-03 Jakub Jelinek <jakub@redhat.com>
730 * c-parser.c (c_parser_omp_atomic): Call
731 default_function_array_conversion on the RHS.
734 * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
735 call is_variable_sized if decl has incomplete type.
737 2008-04-03 H.J. Lu <hongjiu.lu@intel.com>
739 * config/i386/i386-protos.h (ix86_aligned_p): Removed.
741 2008-04-03 Adam Nemet <anemet@caviumnetworks.com>
743 * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
745 (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
746 (sgt<u>): Merge sgt and sgtu into new expander.
747 (sgt, sgtu): Remove expanders.
748 (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
749 (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
750 (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
751 *sgtu_<mode>_mips16 into new pattern.
752 (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
753 (sge<u>): Merge sge and sgeu into new expander.
754 (sge, sgeu): Remove expanders.
755 (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
757 (*sge_<mode>, second *sge_<mode>): Remove patterns.
758 (slt<u>): Merge slt and sltu into new expander.
759 (slt, sltu): Remove expanders.
760 (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
761 (*slt_<mode>, *sltu_<mode>): Remove patterns.
762 (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
763 *sltu_<mode>_mips16 into new pattern.
764 (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
765 (sle<u>): Merge sle and sleu into new expander.
766 (sle, sleu): Remove expanders.
767 (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
768 (*sle_<mode>, *sleu_<mode>): Remove patterns.
769 (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
770 *sleu_<mode>_mips16 into new pattern.
771 (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
773 2008-04-03 Jan Hubicka <jh@suse.cz>
775 PR tree-optimization/35795
776 * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
777 * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
778 * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
779 * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
780 * score/score3.c (score3_output_mi_thunk): Likewise.
781 * score/score7.c (score7_output_mi_thunk): Likewise.
782 * mips/mips.c (mips_output_mi_thunk): Likewise.
784 2008-04-03 Richard Guenther <rguenther@suse.de>
786 * tree-vrp.c (extract_range_from_unary_expr): Handle all
787 conversions. Simplify code.
789 2008-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
791 * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
793 2008-04-03 Tom Tromey <tromey@redhat.com>
794 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
796 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
797 * config/bfin/t-bfin-linux (generated_files): Add
798 linux-sysroot-suffix.h.
799 * doc/install.texi (Prerequisites): Require make 3.80.
800 * doc/sourcebuild.texi (Front End Directory): Document new
802 * Makefile.in (generated_files): New variable.
803 (ALL_HOST_OBJS): New variable.
804 ($(ALL_HOST_OBJS)): New target.
806 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
808 * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
809 (remap_block): Call id->transform_lang_insert_block instead
811 (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
812 Set id.transform_lang_insert_block to NULL.
813 (clone_body): Move to cp/optimize.c
814 * tree-inline.h (struct copy_body_data): Change
815 transform_lang_insert_block to function pointer.
816 (copy_generic_body, copy_decl_no_change): Export.
817 * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
818 * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
819 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
821 * c-tree.h (insert_block): Kill.
822 * c-decl.c (insert_block): Kill.
824 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
826 * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
827 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
828 * c-tree.h (c_push_function_context, c_pop_function_context): Remove
830 * c-decl.c (c_push_function_context, c_pop_function_context): Remove
831 argument, call {push,pop}_function_context from here.
832 * c-parser.c: Use c_{push,pop}_function_context.
834 * function.c (push_function_context_to): Move meat ...
835 (push_function_context): ... here. Simplify.
836 * function.c (pop_function_context_from): Move meat ...
837 (pop_function_context): ... here. Simplify.
838 * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
840 * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
841 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
842 (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
843 * tree.h (push_function_context_to, pop_function_context_from): Remove.
845 2008-04-03 Ben Elliston <bje@au.ibm.com>
847 * expmed.c (extract_force_align_mem_bit_field): Remove.
849 2008-04-03 Richard Guenther <rguenther@suse.de>
852 * expr.h (try_casesi): Adjust prototype.
853 * expr.c (try_casesi): Take fallback label as extra parameter.
854 Use that for gen_casesi if default_label is NULL.
855 * stmt.c (expand_case): Pass fallback label to try_casesi,
856 make sure to fill gaps with a fallback label if default_label
859 2008-04-03 Dominique d'Humieres <dominiq@lps.ens.fr>
862 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
864 2008-04-03 Ben Elliston <bje@au.ibm.com>
866 * expmed.c (extract_split_bit_field): Remove if (0) code.
867 * tree-ssa-structalias.c (do_sd_constraint): Likewise.
868 (do_ds_constraint): Likewise.
870 2008-04-02 Joseph Myers <joseph@codesourcery.com>
872 * doc/cppopts.texi (-dU): Document.
873 * c-common.h (flag_dump_macros): Update comment.
874 * c-opts.c (handle_OPT_d): Handle -dU.
875 * c-ppoutput.c (macro_queue, define_queue, undef_queue,
876 dump_queued_macros, cb_used_define, cb_used_undef): New.
877 (init_pp_output): Handle -dU.
878 (cb_line_change): Call dump_queued_macros.
879 * toplev.c (decode_d_option): Accept -dU as preprocessor option.
881 2008-04-02 Anatoly Sokolov <aesok@post.ru>
883 * config/avr/predicates.md (io_address_operand): New predicate.
884 * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
885 * config/avr/avr.c (avr_io_address_p): Remove function.
886 (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
887 'avr_io_address_p' function.
888 (out_movhi_r_mr): (Ditto.).
889 (out_movqi_mr_r): (Ditto.).
890 (out_movhi_mr_r): (Ditto.).
891 (avr_address_cost): (Ditto.).
893 2008-04-02 Uros Bizjak <ubizjak@gmail.com>
895 * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
896 Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
897 in 32bit mode when XMM registers are available to avoid store
899 (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
900 corresponding post-reload splitters.
902 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
904 * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
905 and __builtin_ia32_shufpd. Provide __builtin_ia32_roundsd and
906 __builtin_ia32_roundss.
907 (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
908 __builtin_ia32_shufpd, __builtin_ia32_roundsd and
909 __builtin_ia32_roundss.
910 (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
911 IX86_BUILTIN_SHUFPD here.
913 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
915 * config/i386/i386.md (plogic): New.
916 (plogicprefix): Likewise.
918 * config/i386/mmx.md (mmx_<code><mode>3): New.
919 (mmx_and<mode>3): Removed.
920 (mmx_ior<mode>3): Likewise.
921 (mmx_xor<mode>3): Likewise.
923 * config/i386/sse.md (<code><mode>3): New.
924 (*<code><mode>3): Likewise.
925 (*<code><mode>3): Likewise.
926 (<code><mode>3): Likewise.
927 (*sse_<code><mode>3): Likewise.
928 (*sse2_<code><mode>3): Likewise.
929 (<code>tf3): Likewise.
930 (*<code>tf3): Likewise.
931 (and<mode>3): Likewise.
932 (*and<mode>3): Likewise.
933 (ior<mode>3): Removed.
934 (*ior<mode>3): Likewise.
935 (xor<mode>3): Likewise.
936 (*xor<mode>3): Likewise.
937 (*and<mode>3): Likewise.
938 (*ior<mode>3): Likewise.
939 (*xor<mode>3): Likewise.
940 (and<mode>3): Likewise.
941 (*sse_and<mode>3): Likewise.
942 (*sse2_and<mode>3): Likewise.
945 (ior<mode>3): Likewise.
946 (*sse_ior<mode>3): Likewise.
947 (*sse2_ior<mode>3): Likewise.
950 (xor<mode>3): Likewise.
951 (*sse_xor<mode>3): Likewise.
952 (*sse2_xor<mode>3): Likewise.
956 2008-04-02 Richard Guenther <rguenther@suse.de>
958 PR tree-optimization/14495
959 PR tree-optimization/34793
960 * tree-vrp.c (struct switch_update): New structure.
961 (to_remove_edges, to_update_switch_stmts): New VECs.
962 (simplify_switch_using_ranges): New function. Remove not taken
963 case labels and edges.
964 (simplify_stmt_using_ranges): Call it.
965 (identify_jump_threads): Mark edges we have queued for removal
966 so we don't thread them.
967 (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
969 * tree-cfg.c (group_case_labels): Deal with missing default label.
970 (tree_verify_flow_info): Allow missing default label.
971 * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
972 (emit_case_nodes): Likewise.
973 (expand_case): Do not rely on the default label to be present.
974 * expr.c (try_casesi): Deal with NULL default_label.
975 (do_tablejump): Likewise.
977 2008-04-02 Richard Guenther <rguenther@suse.de>
979 PR tree-optimization/14495
980 * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
982 (vrp_visit_switch_stmt): ... but here (new function).
983 (find_case_label_index): New helper function.
984 (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
986 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
988 * fwprop.c: Fix ISO-C99ism.
990 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
993 * Makefile.in (objdir): Set it here.
994 * configure.ac: Not here. Find dynamic linker characteristics.
995 * exec-tool.in: Use them.
996 * aclocal.m4: Regenerate.
997 * configure: Regenerate.
999 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
1001 * expr.c (expand_var): Delete it.
1002 * expr.h (expand_var): Delete prototype.
1003 * function.c (expand_function_start): Use expand_decl instead.
1004 * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
1007 2008-04-02 Andy Hutchinson <hutchinsonamdy@aim.com>
1009 PR rtl-optimization/35542
1010 * fwprop.c (forward_propagate_and_simplify): Replace
1011 loc_reg_mentioned_in_p with reg_mentioned_p.
1013 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
1015 PR rtl-optimization/35281
1016 * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
1017 (propagate_rtx_1): Handle PR_HANDLE_MEM.
1018 (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
1019 (varying_mem_p): Move above propagate_rtx.
1020 (all_uses_available_at): Do not check MEMs.
1022 2008-04-02 Rafael Espindola <espindola@google.com>
1024 * tree-vrp.c (extract_code_and_val_from_cond): Remove.
1025 (register_edge_assert_for_2): Split the cond argument.
1026 (register_edge_assert_for_1): Adjust for the change in
1027 register_edge_assert_for_2.
1028 (register_edge_assert_for): Split the cond argument.
1029 (find_switch_asserts): Adjust for the change in
1030 register_edge_assert_for.
1032 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
1034 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
1035 * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
1036 offsets for 64-bit mingw.
1037 * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
1038 abi for x86_64-pc-mingw.
1040 2008-04-02 Richard Guenther <rguenther@suse.de>
1042 * tree-vrp.c (extract_range_from_assert): Make sure to not
1043 produce range min/max with TREE_OVERFOW set.
1044 If merging a anti-range and a range keep the anti-range if
1045 the range covers all values of the type.
1046 (register_edge_assert_for_2): Only allow sign-changing
1047 conversions in detecting canonical range checks. Also
1048 register an assert for the unsigned name if useful.
1050 PR tree-optimization/35787
1051 * tree-vrp.c (vrp_val_max): New function.
1052 (vrp_val_min): Likewise.
1053 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
1054 (vrp_val_is_min): Likewise.
1055 (supports_overflow_infinity): Use vrp_val_{min,max}.
1056 (negative_overflow_infinity): Likewise.
1057 (positive_overflow_infinity): Likewise.
1058 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
1059 (is_positive_overflow_infinity): Likewise.
1060 (is_overflow_infinity): Likewise.
1061 (avoid_overflow_infinity): Use vrp_val_{min,max} and
1062 vrp_val_is_{min,max}.
1063 (set_and_canonicalize_value_range): Canonicalize anti-ranges
1064 to ranges if possible. Avoid empty ranges.
1066 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1069 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
1070 the expression is a function address.
1072 2008-04-01 George Helffrich <george@gcc.gnu.org>
1074 PR fortran/PR35154, fortran/PR23057
1075 * fortran/trans-common.c (create_common): Add decl to function
1076 chain to preserve identifier scope in debug output.
1078 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
1079 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
1080 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
1081 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
1083 (dbxout_syms): Check for COMMON-based symbol and wrap in
1084 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
1085 in bracket for efficiency.
1087 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
1088 using DW_TAG_common_block + member offset.
1089 (add_pubname_string): New function.
1090 (dw_expand_expr): New function to find block name and offset for
1092 (common_check): New function to check whether symbol in Fortran COMMON.
1093 (gen_variable_die): If COMMON, use DW_TAG_common_block.
1095 * testsuite/gcc.dg/debug/pr35154.c: New test to check that non-Fortran
1096 use of common is unchanged.
1098 * testsuite/lib/gfortran-dg.exp: New harness to compile Fortran progs
1099 with all combinations of debug options available on target.
1100 * testsuite/gfortran.dg/debug/debug.exp: Ditto.
1101 * testsuite/gfortran.dg/debug/trivial.f: Ditto.
1102 * testsuite/gfortran.dg/debug/pr35154-stabs.f: New test case for
1103 .stabs functionality.
1104 * testsuite/gfortran.dg/debug/pr35154-dwarf2.f: New test case for
1105 DWARF functionality.
1107 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
1110 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
1112 2008-04-02 Ben Elliston <bje@au.ibm.com>
1114 * config/v850/v850.md (casesi): Remove if (0) code.
1115 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1116 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
1118 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
1120 * config/i386/i386.md (rex64suffix): New mode attribute.
1121 (floathi<mode>2): Disable expander for SSE math.
1122 (*floathi<mode>2_1): New insn insn_and_split pattern.
1123 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
1124 corresponding post-reload splitters.
1125 (*floathi<mode>2_i387): New macroized insn pattern.
1126 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
1127 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
1128 insn_and_split pattern.
1129 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
1130 New macroized instruction patterns and corresponding post-reload
1132 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
1133 and corresponding post-reload splitters.
1134 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
1135 New macroized instruction patterns.
1136 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
1137 macroized instruction patterns and corresponding post-reload splitters.
1138 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
1139 corresponding post-reload splitters.
1140 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
1141 New macroized instruction patterns.
1142 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
1143 corresponding post-reload splitters.
1144 (*floatsi<mode>2_i387): New macroized instruction patterns.
1146 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
1148 * config/i386/i386.md (smaxmin): New.
1149 (umaxmin): Likewise.
1150 (maxminiprefix): Likewise.
1151 (maxminfprefix): Likewise.
1152 (<code><mode>3): Likewise.
1153 (smin<mode>3): Removed.
1154 (smax<mode>3): Likewise.
1156 * config/i386/mmx.md (mmx_<code>v2sf3): New.
1157 (mmx_<code>v4hi3): Likewise.
1158 (mmx_<code>v8qi3): Likewise.
1159 (mmx_smaxv2sf3): Removed.
1160 (mmx_sminv2sf3): Likewise.
1161 (mmx_umaxv8qi3): Likewise.
1162 (mmx_smaxv4hi3): Likewise.
1163 (mmx_uminv8qi3): Likewise.
1164 (mmx_sminv4hi3): Likewise.
1166 * config/i386/sse.md (<addsub><mode>3): New.
1167 (*<addsub><mode>3): Likewise.
1168 (<sse>_vm<addsub><mode>3): Likewise.
1169 (<maxmin><mode>3): Likewise.
1170 (*<maxmin><mode>3_finite): Likewise.
1171 (*<maxmin><mode>3): Likewise.
1172 (<sse>_vm<maxmin><mode>3): Likewise.
1173 (sse3_h<addsub>v4sf3): Likewise.
1174 (sse3_h<addsub>v2df3): Likewise.
1175 (<maxmin>v16qi3): Likewise.
1176 (*<maxmin>v16qi3): Likewise.
1177 (<maxmin>v8hi3): Likewise.
1178 (*<maxmin>v8hi3): Likewise.
1179 (*sse4_1_<maxmin><mode>3): Likewise.
1180 (*sse4_1_<maxmin><mode>3): Likewise.
1181 (add<mode>3): Removed.
1182 (*add<mode>3): Likewise.
1183 (<sse>_vmadd<mode>3): Likewise.
1184 (sub<mode>3): Likewise.
1185 (*sub<mode>3): Likewise.
1186 (<sse>_vmsub<mode>3): Likewise.
1187 (smin<mode>3): Likewise.
1188 (*smin<mode>3_finite): Likewise.
1189 (*smin<mode>3): Likewise.
1190 (<sse>_vmsmin<mode>3): Likewise.
1191 (smax<mode>3): Likewise.
1192 (*smax<mode>3_finite): Likewise.
1193 (*smax<mode>3): Likewise.
1194 (<sse>_vmsmax<mode>3): Likewise.
1195 (sse3_haddv4sf3): Likewise.
1196 (sse3_haddv2df3): Likewise.
1197 (sse3_hsubv4sf3): Likewise.
1198 (sse3_hsubv2df3): Likewise.
1199 (umaxv16qi3): Likewise.
1200 (*umaxv16qi3): Likewise.
1201 (smaxv8hi3): Likewise.
1202 (*smaxv8hi3): Likewise.
1203 (*sse4_1_smax<mode>3): Likewise.
1204 (*sse4_1_umax<mode>3): Likewise.
1205 (uminv16qi3): Likewise.
1206 (*uminv16qi3): Likewise.
1207 (sminv8hi3): Likewise.
1208 (*sminv8hi3): Likewise.
1209 (*sse4_1_smin<mode>3): Likewise.
1210 (*sse4_1_umin<mode>3): Likewise.
1212 2008-04-01 Rafael Espindola <espindola@google.com>
1214 * tree-cfg.c (verify_expr): remove in_phi.
1215 (verify_stmt): Don't call walk_tree with verify_expr. Use
1216 is_gimple_min_invariant instead of is_gimple_val.
1218 2008-04-01 Joseph Myers <joseph@codesourcery.com>
1220 * doc/include/gpl_v3.texi: Update for manpage generation.
1221 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
1223 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
1224 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
1225 gpl_v3.texi instead of gpl.texi.
1228 2008-04-01 Jakub Jelinek <jakub@redhat.com>
1231 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
1233 2008-04-01 Rafael Espindola <espindola@google.com>
1235 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
1236 (extract_code_and_val_from_cond): Use
1237 extract_code_and_val_from_cond_with_ops.
1239 2008-04-01 Jan Hubicka <jh@suse.cz>
1241 * function.c (free_after_compilation): Free epilogue_delay_list.
1242 (prepare_function_start): Assert that previous compilation was freed.
1244 2008-04-01 Jan Hubicka <jh@suse.cz>
1245 Jim Wilson <wilson@tuliptree.org>
1246 Andreas Tobler <andreast@gcc.gnu.org>
1249 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
1250 rtl.emit instead cfun->emit.
1251 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
1252 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
1254 2008-04-01 Ben Elliston <bje@au.ibm.com>
1256 * doc/c-tree.texi (Function Basics): Fix grammatical error.
1258 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
1260 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
1262 (fprofile-use): Add var flag_profile_use
1263 * coverage.c (coverage_begin_output): Do not open a gcno file for
1264 output only if -ftest-coverage is set.
1265 Do not add getpwd() to gcda file path.
1266 (build_gcov_info): Check the new flag
1267 flag_profile_datafile_relative_path.
1268 (coverage_init): Use profile_data_prefix.
1269 Read profile counter only if flag_profile_use is set.
1270 * opts.c (common_handle_option): New option fprofile-use=,
1271 fprofile-dir=, fprofile-generate=.
1272 * toplev.c (profile_data_prefix): New variable definition.
1273 * toplev.h (profile_data_prefix): New declaration.
1274 * doc/invoke.tex (Option Summary, Optimization Options):
1277 2008-03-31 James E. Wilson <wilson@tuliptree.org>
1279 * varasm.c (output_constant_pool_1): In LABEL_REF check,
1280 use tmp consistently.
1283 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
1284 * config/ia64/ia64.c (rtx_needs_barrier): Handle
1285 UNSPEC_FR_RECIP_APPROX_RES.
1286 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
1288 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
1291 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
1293 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
1296 * fold-const.c (fold_indirect_ref_1): Support accessing non first
1297 element of the vector via a pointer.
1299 2008-03-31 Ian Lance Taylor <iant@google.com>
1301 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
1303 2008-03-31 Jan Hubicka <jh@suse.cz>
1305 * builtins.c (expand_builtin_setjmp_receiver): Update call of
1306 get_arg_pointer_save_area.
1307 * expr.c (init_expr): Just clear out rtl.expr.
1308 * function.c (free_after_compilation): Clear out whole RTL structure.
1309 (get_func_frame_size): Merge into ...
1310 (get_frame_size): ... this one.
1311 (assign_stack_local_1): Merge into ...
1312 (assign_stack_local): ... this one.
1313 (expand_function_end): Update call of get_arg_pointer_save_area.
1314 (get_art_pointer_save_area): Remove cfun argument.
1315 * function.h (emit_status): regno_pointer_align does not need length
1316 attribute. Move x_regno_reg_rtx to ...
1317 (regno_reg_rtx): ... new global array.
1318 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
1319 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
1320 apply_args_value, forced_labels, stack_pointer_delta):
1322 (struct varasm_status): Move here from varasm.c
1323 (struct rtl_data): New. Move here some fields from struct function.
1324 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
1325 frame_offset, stack_check_probe_note, arg_pointer_save_area,
1326 used_temp_slots avail_temp_slots, temp_slot_level,
1327 nonlocal_goto_handler_labels): Update accesstors.
1328 (rtl): New global variable.
1329 (struct function): Move some fileds to rtl_data.
1330 (get_arg_pointer_save_area): Update prototype.
1331 * emit-rtl.c (rtl): Declare.
1332 (regno_reg_rtx): Declare.
1333 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
1335 (gen_reg_rtx): Update.
1336 (init_virtual_regs): Do not tate emit_status argument.
1337 (init_emit): Do not allocate emit.
1338 * varasm.c (varasm_statuc): Move to function.h.
1339 (n_deferred_constatns): Update accestor.
1340 (init_varasm_status): Do not allocate varasm_status.
1341 (force_const_mem, get_pool_size, output_constant_pool): Update.
1342 * stmt.c (force_label_rtx): Do not use x_ prefixes.
1343 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
1345 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
1347 PR rtl-optimization/35729
1348 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
1351 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
1354 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
1355 load/store if memory is unaligned.
1356 (*movti_rex64): Likewise.
1358 * config/i386/predicates.md (misaligned_operand): New.
1360 2008-03-31 Andrew Pinski <pinskia@gmail.com>
1363 * tree-ssa-phiopt.c (conditional_replacement): Return early for
1366 2008-03-31 Jan Beulich <jbeulich@novell.com>
1368 * config/ia64/constraints.md: Add 'j' constraint.
1369 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
1370 (movdi_internal): Likewise.
1372 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
1375 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
1377 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1380 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
1381 proper error message for the third argument on blendpd and
1384 * config/i386/sse.md (blendbits): New.
1385 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
1387 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
1389 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
1391 2008-03-30 Richard Guenther <rguenther@suse.de>
1394 * fold-const.c (fold_sign_changed_comparison): Do leave
1395 conversions to base-types alone.
1397 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1399 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
1400 the link register if one altivec register is be saved.
1402 2008-03-30 Ben Elliston <bje@au.ibm.com>
1404 * final.c (final_scan_insn): Remove if (0) code.
1406 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
1408 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
1410 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
1412 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
1413 of V4SFmode to ix86_binary_operator_ok.
1415 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
1417 * config/i386/i386.c (override_options): Initialize
1418 ix86_veclib_handler to ix86_veclibabi_svml when
1419 -mveclibabi=svml is used.
1420 (ix86_veclibabi_svml): New function for SVML ABI style
1421 vectorization support.
1422 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
1424 2008-03-28 Rafael Espindola <espindola@google.com>
1426 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
1427 (tree_binary_nonnegative_warnv_p): Make it public.
1428 (tree_single_nonnegative_warnv_p): Make it public.
1429 (tree_invalid_nonnegative_warnv_p): Make it public.
1430 (tree_unary_nonzero_warnv_p): Make it public.
1431 (tree_binary_nonzero_warnv_p): Make it public
1432 (tree_single_nonzero_warnv_p): Make it public.
1433 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
1434 (extract_range_from_binary_expr): Split the expr argument.
1435 (extract_range_from_unary_expr): Split the expr argument.
1436 (extract_range_from_comparison): Split the expr argument.
1437 (extract_range_from_expr): Use the new aux functions.
1438 (vrp_evaluate_conditional_warnv): Use
1439 vrp_evaluate_conditional_warnv_with_ops.
1440 * tree.h (tree_unary_nonzero_warnv_p): Declare.
1441 (tree_binary_nonzero_warnv_p): Declare.
1442 (tree_single_nonzero_warnv_p): Declare.
1443 (tree_expr_nonzero_warnv_p): Declare.
1444 (tree_unary_nonnegative_warnv_p): Declare.
1445 (tree_binary_nonnegative_warnv_p): Declare.
1446 (tree_single_nonnegative_warnv_p): Declare.
1447 (tree_invalid_nonnegative_warnv_p): Declare.
1449 2008-03-28 Richard Guenther <rguenther@suse.de>
1451 PR tree-optimization/30317
1452 PR tree-optimization/30911
1453 PR tree-optimization/34793
1454 * tree-vrp.c (set_and_canonicalize_value_range): New function.
1455 (struct assert_locus_d): New member EXPR.
1456 (register_new_assert_for): Add EXPR parameter to support
1457 ASSERT_EXPR <name, expr OP limit>.
1458 (register_edge_assert_for_1): Adjust callers.
1459 (find_assert_locations): Likewise.
1460 (process_assert_insertions_for): Build condition from expression.
1461 (extract_range_from_assert): Handle ASSERT_EXPRs
1462 of the form ASSERT_EXPR <name, expr OP limit>.
1463 (register_edge_assert_for_2): New helper registering
1464 asserts for comparisons. Recognize range tests of the form
1465 (unsigned)i - CST1 OP CST2.
1466 (register_edge_assert_for_1): Use it.
1467 (register_edge_assert_for): Likewise.
1468 (needs_overflow_infinity): Integer sub-types
1469 do not need overflow infinities.
1470 (vrp_val_is_max): The extreme values of integer sub-types
1471 are those of the base type.
1472 (vrp_val_is_min): Likewise.
1473 * tree.def (ASSERT_EXPR): Document extra allowed conditional
1476 2008-03-28 Nick Clifton <nickc@redhat.com>
1478 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
1479 Return GENERAL_REGS for stack adjustment reloads.
1481 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1484 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
1485 const_vector when all the vectors are constant.
1487 2008-03-27 Bob Wilson <bob.wilson@acm.org>
1489 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
1491 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
1492 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
1494 (s<code>_sf): Use new scc_sf attribute for opcode names.
1496 2008-03-27 Tom Tromey <tromey@redhat.com>
1498 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
1499 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
1500 config/spu/t-spu-elf, config/i386/t-interix,
1501 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
1502 config/i386/x-darwin, config/i386/x-mingw32,
1503 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
1504 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
1505 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
1506 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
1507 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
1508 config/rs6000/x-darwin, config/rs6000/t-rs6000,
1509 config/score/t-score-elf, config/arm/t-strongarm-pe,
1510 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
1511 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
1512 Revert automatic dependency patch.
1514 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
1517 * config/i386/i386.c (ix86_function_arg_boundary): Align
1518 decimal floating point to its natural boundary.
1520 2008-03-27 Richard Guenther <rguenther@suse.de>
1523 * fold-const.c (fold_comparison): Restrict distinct decl
1524 comparison folding to VAR_DECLs and PARM_DECLs. Do not
1525 solely rely on operand_equal_p.
1527 2008-03-27 Richard Guenther <rguenther@suse.de>
1530 * c-common.c (handle_weak_attribute): Reject combination of
1533 2008-03-27 Richard Guenther <rguenther@suse.de>
1535 PR tree-optimization/32810
1536 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
1537 conversions from DECL_INITIAL.
1538 (fold_const_aggregate_ref): Likewise from constructor elements.
1540 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
1542 * tree-affine.h (aff_combination_expand): Declare.
1543 (get_inner_reference_aff): Likewise.
1544 * tree-affine.c (aff_combination_expand): Split out from
1545 tree_to_aff_combination_expand.
1546 (get_inner_reference_aff): New function.
1547 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
1548 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
1549 (struct lim_aux_data): sm_done field removed.
1550 (mem_ref_loc_p, mem_ref_locs_p): New types.
1551 (struct mem_ref): Added id, stored, accesses_in_loop,
1552 indep_loop, dep_loop, indep_ref, dep_ref fields.
1553 Removed is_stored, locs and next fields.
1554 (memory_accesses): New variable.
1555 (movement_possibility): Do not allow moving statements
1556 that store to memory.
1557 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
1559 (determine_max_movement): For statements with memory references,
1560 find the outermost loop in that the reference is independent.
1561 (move_computations_stmt): Mark the virtual operands for renaming.
1562 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
1563 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
1564 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
1565 add_vop_ref_mapping, create_vop_ref_mapping_loop,
1566 create_vop_ref_mapping, analyze_memory_references,
1567 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
1568 get_all_locs_in_loop, ref_always_accessed_p,
1569 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
1570 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
1571 store_motion_loop, store_motion): New functions.
1572 (struct vop_to_refs_elt): New type.
1573 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
1574 memref_hash, memref_eq, hoist_memory_references): Rewritten.
1575 (schedule_sm): Replaced by...
1576 (execute_sm): ... this.
1577 (determine_lsm_ref, hoist_memory_references,
1578 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
1579 find_more_ref_vops, free_mem_ref, free_mem_refs,
1580 determine_lsm_loop, determine_lsm): Removed.
1581 (tree_ssa_lim_finalize): Free data structures used by store motion.
1582 (tree_ssa_lim): Call analyze_memory_references. Use
1583 store_motion instead of determine_lsm.
1585 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
1587 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
1588 rename tmake_file to m68hc11/t-m68hc11.
1589 (mcore): Set inhibit_libc to true.
1590 * config.host (alpha*-dec-*vms*): Set extra_programs.
1591 (interix3*): Don't use host_xmake_file.
1592 * configure.ac: Let config.gcc override inhibit_libc.
1593 * configure: Regenerate.
1595 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
1596 * config/t-openbsd-thread: Remove commented out lines.
1598 * config/x-interix: Remove.
1600 * config/m68hc11/t-m68hc11-gas: Rename to...
1601 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
1603 * config/mcore/t-mcore: Remove T_CFLAGS.
1604 * config/mcore/t-mcore-pe: Likewise.
1606 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
1608 * configure.ac: Replace custom __GNU_SOURCE test with
1609 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
1610 * aclocal.m4: Regenerate.
1611 * configure: Regenerate.
1612 * config.in: Regenerate.
1614 2008-03-27 Richard Guenther <rguenther@suse.de>
1616 * fold-const.c (target.h): Include.
1617 (fold_comparison): Fold comparison of addresses of decls
1618 that bind locally or of constants. Consolidate address folding code.
1619 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
1620 results from fold_binary_to_constant.
1621 (compare_values_warnv): Likewise.
1623 2008-03-27 Andrew Pinski <pinskia@gmail.com>
1626 * fold-const.c (fold_truthop): Check for integeral types when folding
1627 a == 0 && b == 0 and a != 0 || b != 0 .
1629 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
1631 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
1633 2008-03-26 Andreas Schwab <schwab@suse.de>
1635 * doc/invoke.texi: Fix use of @item vs. @itemx.
1637 2008-03-26 Tom Tromey <tromey@redhat.com>
1639 * Makefile.in (build/gensupport.o, build/print-rtl.o,
1640 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
1641 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
1642 build/gencodes.o, build/genconditions.o, build/genconfig.o,
1643 build/genconstants.o, build/genemit.o, build/genextract.o,
1644 build/genflags.o, build/genmddeps.o, build/genopinit.o,
1645 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
1648 2008-03-26 Richard Guenther <rguenther@suse.de>
1651 2008-03-26 Richard Guenther <rguenther@suse.de>
1653 * fold-const.c (target.h): Include.
1654 (fold_comparison): Fold comparison of addresses of two decls
1655 that bind locally. Consolidate address folding code.
1657 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1659 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
1660 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
1661 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
1662 dconstsqrt2, dconstthird, dconste and/or dconst10.
1663 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
1664 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
1665 dconstsqrt2, dconste): Delete.
1666 (init_emit_once): Likewise. Simplify initializing dconstm1.
1668 * real.c (get_real_const): New.
1669 * real.h (dconst3, dconst10, dconstm2, dconstthird,
1670 dconstsqrt2, dconste): Delete.
1671 (real_value_const, get_real_const): New.
1673 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
1675 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
1677 * config/i386/i386.c (ix86_function_arg_boundary): Check
1678 BIGGEST_ALIGNMENT instead of 128.
1679 (setup_incoming_varargs_64): Likewise.
1681 2008-03-26 Tom Tromey <tromey@redhat.com>
1683 * Makefile.in (DEPFILES): Add missing '/'.
1685 2008-03-26 Richard Guenther <rguenther@suse.de>
1687 * fold-const.c (target.h): Include.
1688 (fold_comparison): Fold comparison of addresses of two decls
1689 that bind locally. Consolidate address folding code.
1691 2008-03-26 Nick Clifton <nickc@redhat.com>
1694 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
1695 not allow INT+INT as a legitimate addressing mode.
1697 2008-03-26 Richard Guenther <rguenther@suse.de>
1699 * tree-flow.h (widen_bitfield): Remove declaration.
1700 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
1701 (widen_bitfield): Remove function.
1702 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
1705 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
1708 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
1711 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
1713 PR rtl-optimization/35232
1714 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1715 (forget_old_reloads_1, forget_marked_reloads): Don't clear
1716 reg_reloaded_call_part_clobbered here.
1717 (reload_regs_reach_end_p): New function.
1718 (reload_reg_rtx_for_input): New variable.
1719 (reload_reg_rtx_for_output): Likewise.
1720 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1721 when reassigning a pseudo register. Load reloadreg from
1722 reload_reg_rtx_for_input, moving the mode and register
1724 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
1725 instead of the original when deciding whether an input reload
1726 would be a no-op or whether an output reload can be deleted.
1727 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1728 when setting up new_spill_reg_store. Load it from
1729 reload_reg_rtx_for_output, moving the mode and register
1731 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
1732 instead of the original when deciding whether an output reload
1733 would be a no-op. Do the same when modifying insn notes.
1734 Use rtx_equal_p instead of == to compare the registers.
1735 (inherit_piecemeal_p): Take a mode and two register numbers
1737 (emit_reload_insns): Clear new_spill_reg_store for every hard
1738 register in the reload register. Remove spill registers
1739 from reg_reloaded_valid before considering whether to record
1740 inheritance information for them. Use reload_reg_rtx_for_output
1741 instead of reg_rtx when recording output reloads. Use
1742 reload_reg_rtx_for_input instead of reg_rtx when recording
1743 input reloads. Set or clear reg_reloaded_call_part_clobbered
1744 at the same time as setting reg_reloaded_valid.
1745 (delete_output_reload): Add a new_reload_reg parameter and use it
1746 instead of rld[j].reg_rtx.
1747 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1750 2008-03-25 Tom Tromey <tromey@redhat.com>
1752 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1753 (build/genattr.o): Likewise.
1754 (build/genattrtab.o): Likewise.
1755 (build/gencodes.o): Likewise.
1756 (build/genconfig.o): Likewise.
1757 (build/genconstants.o): Likewise.
1758 (build/genemit.o): Likewise.
1759 (build/genextract.o): Likewise.
1760 (build/genflags.o): Likewise.
1762 2008-03-25 Bob Wilson <bob.wilson@acm.org>
1764 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1765 instead of size_int for integer types.
1766 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
1767 to match type of MINUS_EXPR.
1769 2008-03-25 Tom Tromey <tromey@redhat.com>
1771 * configure: Rebuilt.
1772 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1775 2008-03-25 Tom Tromey <tromey@redhat.com>
1777 * config/x-solaris (host-solaris.o): Update.
1778 * config/x-linux (host-linux.o): Update.
1779 * config/x-hpux (host-hpux.o): Update.
1780 * config/x-darwin (host-darwin.o): Update.
1781 * config/v850/t-v850e (v850-c.o): Update.
1782 * config/v850/t-v850 (v850-c.o): Update.
1783 * config/t-vxworks (vxworks.o): Update.
1784 * config/t-sol2 (sol2-c.o, sol2.o): Update.
1785 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1786 * config/spu/t-spu-elf (spu-c.o): Update.
1788 * config/sh/t-symbian (sh-c.o): Update.
1789 (symbian.o): Update.
1790 * config/sh/t-sh (sh-c.o): Update.
1791 * config/score/t-score-elf (score7.o, score3.o): Update.
1792 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1793 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1794 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1795 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1797 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1798 * config/m32c/t-m32c (m32c-pragma.o): Update.
1799 * config/ia64/t-ia64 (ia64-c.o): Update.
1800 * config/i386/x-mingw32 (host-mingw32.o): Update.
1801 * config/i386/x-i386 (driver-i386.o): Update.
1802 * config/i386/x-darwin (host-i386-darwin.o): Update.
1803 * config/i386/x-cygwin (host-cygwin.o): Update.
1804 * config/i386/t-nwld (nwld.o): Update.
1805 * config/i386/t-netware (netware.o): Update.
1806 * config/i386/t-interix (winnt.o): Update.
1807 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1808 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1809 msformat-c.o): Update.
1810 * config/bfin/t-bfin-linux (generated_files): Add
1811 linux-sysroot-suffix.h.
1812 * config/arm/t-wince-pe (pe.o): Update.
1813 * config/arm/t-strongarm-pe (pe.o): Update.
1814 * config/arm/t-pe (pe.o): Update.
1815 * config/arm/t-arm (arm-c.o): Update.
1816 * doc/install.texi (Prerequisites): Require make 3.80.
1817 * Makefile.in: Remove .o targets.
1818 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1819 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1820 (simple_generated_h, simple_generated_c): Move earlier.
1821 (generated_files): New variable.
1822 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1823 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1824 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1825 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1826 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1827 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1828 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1829 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1830 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1831 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1832 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1833 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1835 (COMPILE.base, COMPILE): New variables.
1836 (%.o): New pattern rule.
1837 (ALL_HOST_OBJS): New variable.
1838 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1839 (dummy-checksum.o, cc1-checksum.o): Remove.
1840 (DRIVER_SHLIB): New variable.
1841 (DRIVER_DEFINES): Use it.
1842 (gencondmd.c): Move out of build/.
1843 (s-conditions): Update.
1844 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1845 (ALL_BUILD_OBJS): Likewise.
1846 (build/%.o): Use BUILDCOMPILE.
1847 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1848 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1849 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1850 build/gencheck.o, build/gencodes.o, build/genconditions.o,
1851 build/genconfig.o, build/genconstants.o, build/genemit.o,
1852 build/genextract.o, build/genflags.o, build/genmddeps.o,
1853 build/genopinit.o, build/genoutput.o, build/genpeep.o,
1854 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1855 build/gen-protos.o, build/scan.o, build/fix-header.o,
1856 build/scan-decls.o): Simplify.
1857 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1858 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1859 prefix.o, toplev.o): Reduce to variable setting.
1860 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
1861 ($(out_object_file), gcc-options.o): New targets.
1862 ($(ALL_HOST_OBJS)): New target. Include dependency files.
1863 * configure: Rebuilt.
1864 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1865 * doc/sourcebuild.texi (Front End Directory): Document new variable.
1867 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
1869 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1870 complain when we hit an error, return ERROR_MARK_NODE.
1872 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
1874 * config/sh/constraints.md (Pso, Psz): New constraints.
1875 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1876 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1878 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
1880 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1881 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1883 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
1885 * config/sh/sh.md (prefetch): Add condition for SH2A target.
1886 (prefetch_sh2a): New.
1888 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
1889 Naveen.H.S <naveen.hs@kpitcummins.com>
1891 * config/sh/constraints.md (I28): New constraint.
1892 * config/sh/sh.c (broken_move): Add support for movi20s.
1893 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1895 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
1896 Jayant Sonar <Jayant.sonar@kpitcummins.com>
1897 Naveen.H.S <naveen.hs@kpitcummins.com>
1899 * config/sh/sh.c (SH_ATTRIBUTES): Define.
1900 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1901 (print_operand): Handle resbank in %@ operand code.
1902 (sh_encode_section_info): New.
1903 (push_regs): Add conditions for resbank.
1904 (sh_expand_epilogue): Likewise.
1905 (sh_insert_attributes): Likewise.
1906 (sh_attribute_table): Likewise.
1907 (sh_handle_resbank_handler_attribute): New.
1908 (sh2a_handle_function_vector_handler_attribute): New.
1909 (sh2a_is_function_vector_call): New.
1910 (sh2a_get_function_vector_number): New.
1911 (sh2a_function_vector_p): New.
1912 (sh_cfun_resbank_handler_p): New.
1913 * config/sh/sh.md (calli): Emit jsr/n if possible.
1914 (calli_tbr_rel): New.
1915 (calli_pcrel): Emit jsr/n if possible.
1916 (return_i): Emit rts/n if possible.
1917 (call_valuei_tbr_rel): New.
1918 (call_valuei_pcrel): Add condition for SH2A target.
1919 (call_value): Likewise.
1920 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1921 (sh2a_get_function_vector_number): Likewise.
1922 (sh2a_is_function_vector_call): Likewise.
1923 * doc/extend.texi: Document TBR relative addressing of SH2A.
1924 (resbank): Add description for SH2A.
1926 2008-03-24 Richard Guenther <rguenther@suse.de>
1929 * gimplify.c (gimplify_modify_expr): For frontend type-correct
1930 pointer assignments change conversions according to middle-end rules.
1931 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1932 * configure.ac: Include type checking in yes.
1933 * configure: Regenerate.
1935 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1937 * diagnostic.c (diagnostic_count_diagnostic): Delete.
1938 (diagnostic_report_diagnostic): Update. Handle ICEs here.
1940 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
1942 * gthr-vxworks.h (UNUSED): Define.
1944 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
1946 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1948 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
1950 * doc/extend.texi (Function Attributes): Add missing comma in the
1951 example of the "alloc_size" attribute.
1953 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
1956 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
1958 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1961 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
1964 * stor-layout.c (update_alignment_for_field): Set minimum alignment
1965 of the underlying type of a MS bitfield layout to the natural
1966 alignment of the type.
1968 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
1970 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1971 to their natural alignment to avoid store forwarding stalls.
1973 2008-03-22 Richard Guenther <rguenther@suse.de>
1975 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1976 For PHI nodes verify the address is invariant.
1977 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1978 (get_symbol_constant_value): Use is_gimple_min_invariant.
1979 (maybe_fold_stmt_indirect): Likewise.
1981 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
1983 PR rtl-optimization/33927
1984 * Makefile.in (dse.o): Depend on $(TM_P_H).
1985 * expr.h (extract_low_bits): Declare.
1986 * expmed.c (extract_low_bits): New function.
1987 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1988 * dse.c: Include tm_p.h.
1989 (find_shift_sequence): Remove the read_reg argument and return the
1990 read value. Emit the instructions instead of returning them.
1991 Iterate on new_mode rather than calculating it each time.
1992 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
1993 source to NEW_MODE and extract_low_bits to convert the shifted
1995 (replace_read): Allow the load and store to have different mode
1996 classes. Use extract_low_bits when SHIFT == 0. Create the shift
1997 or extraction instructions before trying the replacement. Update
1998 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
2000 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2002 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2003 to their natural alignment to avoid store forwarding stalls.
2005 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
2008 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
2009 encouraging but not allowing gprs for input;
2010 change the input constraint to !f#r.
2011 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
2013 change the output constraint to !f#r.
2015 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
2018 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
2019 corresponding post-reload splitters.
2020 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
2021 when x87 FP math is selected.
2022 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
2023 New function prototype.
2024 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
2025 unreachable function to ease macroization of insn patterns.
2027 2008-03-21 Martin Jambor <mjambor@suse.cz>
2029 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
2030 reference dumps if ddr is NULL or dependence is unknown.
2032 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2034 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
2035 unsigned extension into account.
2036 (ATOMIC_COMPARE_AND_SWAP): Likewise.
2037 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
2038 Do computations on a scratch register.
2040 2008-03-21 Richard Guenther <rguenther@suse.de>
2042 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2043 Use is_gimple_min_invariant instead of TREE_INVARIANT.
2044 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
2045 * tree-ssa-dom.c (record_equality): Likewise.
2046 * tree-inline.c (copy_body_r): Likewise.
2047 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
2050 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2052 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
2053 as 'delete_unused' argument.
2055 2008-03-20 Richard Guenther <rguenther@suse.de>
2057 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2058 special casing of constant qualifiers.
2059 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
2060 care about them in general.
2061 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
2062 regardless of their type.
2063 (fold_stmt_r): Forcefully fold *& if we end up with that.
2065 2008-03-20 Paul Brook <paul@codesourcery.com>
2067 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
2068 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
2070 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
2072 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
2073 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
2075 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
2077 * common.opt (Wmudflap): New option.
2078 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
2079 (mx_register_decls): Likewise.
2080 (mudflap_finish_file): Likewise.
2081 * doc/invoke.texi: Document -Wno-mudflap.
2083 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
2085 * c-format.c (replace_format_name_to_system_name): New.
2087 (convert_format_name_to_system_name): New.
2088 (decode_format_attr): Add use of convert_format_name_to_system_name.
2089 (format_types_orig): Add gnu_ prefix to names.
2090 (check_format_info_main): Special treating of \0 escaped names for
2091 supporting multi-character format specifiers as I32, I64.
2092 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
2093 (gnu_target_overrides_format_attributes): New.
2094 * c-format.h: Add structure target_ovr_attr to hold
2095 system specific formatter names.
2096 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
2097 msformat-c.o file to c_target_objs and cxx_target_objs.
2098 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2099 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
2100 (TARGET_N_FORMAT_TYPES): New.
2101 * config/i386/msformat-c.c: New.
2102 * config/i386/t-cygming: Add build rule for msformat-c.o.
2103 * doc/extend.texi: Add new format names gnu_* and ms_* and
2105 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2107 2008-03-20 Ira Rosen <irar@il.ibm.com>
2109 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
2110 optimizations turned on under -O3.
2111 (ftree-vectorize): Add that the flag is turned on with -O3.
2113 2008-03-20 Ben Elliston <bje@au.ibm.com>
2115 * regmove.c (try_auto_increment): Fix spelling error in comment.
2116 * final.c (final_scan_insn): Likewise.
2118 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
2121 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
2122 allocator preferences for "y" and "r" class registers.
2123 ("*mov<mode>_internal"): Ditto.
2124 ("*movv2sf_internal_rex64"): Ditto.
2125 ("*movv2sf_internal"): Ditto.
2127 2008-03-19 Michael Matz <matz@suse.de>
2130 * calls.c (expand_call): Check overlap of arguments with call
2131 address for sibcalls.
2133 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2136 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2137 of the underlying type of a MS bitfield layout to the natural
2138 alignment of the type.
2140 2008-03-19 Jan Hubicka <jh@suse.cz>
2143 * toplev.c (decode_d_option): Handle all CPP flags.
2144 * tree-vrp.c: Update tree_pass descriptors.
2145 * regrename.c: Update tree_pass descriptors.
2146 * fwprop.c: Update tree_pass descriptors.
2147 * doc/invoke.texi: Remove documentation of dropped -d? flags.
2148 * tree-into-ssa.c: Update tree_pass descriptors.
2149 * tree-dump.c: Update tree_pass descriptors.
2150 * tree-complex.c: Update tree_pass descriptors.
2151 * tree-dump.h: Update tree_pass descriptors.
2152 * see.c: Update tree_pass descriptors.
2153 * cgraphbuild.c: Update tree_pass descriptors.
2154 * tracer.c: Update tree_pass descriptors.
2155 * tree-loop-distribution.c: Update tree_pass descriptors.
2156 * cgraph.c: Update tree_pass descriptors.
2157 * postreload-gcse.c: Update tree_pass descriptors.
2158 * postreload.c: Update tree_pass descriptors.
2159 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
2160 * tree-tailcall.c: Update tree_pass descriptors.
2161 * tree-pass.h (tree_opt_pass): Rename to ...
2162 (opt_pass) ... this one; add "type" field and remove letter field.
2163 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
2164 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
2165 all_lowering_passes): Update declaration.
2166 * ipa-cp.c: Update tree_pass descriptors.
2167 * final.c: Update tree_pass descriptors.
2168 * omp-low.c: Update tree_pass descriptors.
2169 * tree-ssa-dse.c: Update tree_pass descriptors.
2170 * ipa-reference.c: Update tree_pass descriptors.
2171 * tree-ssa-uncprop.c: Update tree_pass descriptors.
2172 * auto-inc-dec.c: Update tree_pass descriptors.
2173 * reorg.c: Update tree_pass descriptors.
2174 * cgraphunit.c: Update tree_pass descriptors.
2175 * tree-ssa-copyrename.c: Update tree_pass descriptors.
2176 * tree-ssa-ccp.c: Update tree_pass descriptors.
2177 * df-core.c: Update tree_pass descriptors.
2178 * mode-switching.c: Update tree_pass descriptors.
2179 * tree-nomudflap.c: Update tree_pass descriptors.
2180 * modulo-sched.c: Update tree_pass descriptors.
2181 * ipa-pure-const.c: Update tree_pass descriptors.
2182 * cse.c: Update tree_pass descriptors.
2183 * web.c: Update tree_pass descriptors.
2184 * tree-stdarg.c: Update tree_pass descriptors.
2185 * tree-ssa-math-opts.c: Update tree_pass descriptors.
2186 * tree-ssa-dom.c: Update tree_pass descriptors.
2187 * tree-nrv.c: Update tree_pass descriptors.
2188 * tree-ssa-alias.c: Update tree_pass descriptors.
2189 * loop-init.c: Update tree_pass descriptors.
2190 * gimple-low.c: Update tree_pass descriptors.
2191 * ipa-inline.c: Update tree_pass descriptors.
2192 * tree-ssa-sink.c: Update tree_pass descriptors.
2193 * global.c: Update tree_pass descriptors.
2194 * ifcvt.c: Update tree_pass descriptors.
2195 * jump.c: Update tree_pass descriptors.
2196 * predict.c: Update tree_pass descriptors.
2197 * tree-ssa-loop.c: Update tree_pass descriptors.
2198 * recog.c: Update tree_pass descriptors.
2199 * dse.c: Update tree_pass descriptors.
2200 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
2201 * tree-eh.c: Update tree_pass descriptors.
2202 * regmove.c: Update tree_pass descriptors.
2204 * function.c: Update tree_pass descriptors.
2205 * tree-vectorizer.c: Update tree_pass descriptors.
2206 * gcse.c: Update tree_pass descriptors.
2207 * ipa-type-escape.c: Update tree_pass descriptors.
2208 * tree-if-conv.c: Update tree_pass descriptors.
2209 * init-regs.c: Update tree_pass descriptors.
2210 * ipa.c: Update tree_pass descriptors.
2211 * tree-ssa-phiopt.c: Update tree_pass descriptors.
2212 * rtl-factoring.c: Update tree_pass descriptors.
2213 * lower-subreg.c: Update tree_pass descriptors.
2214 * bt-load.c: Update tree_pass descriptors.
2215 * tree-dfa.c: Update tree_pass descriptors.
2216 * except.c: Update tree_pass descriptors.
2217 * emit-rtl.c: Update tree_pass descriptors.
2218 * cfgexpand.c: Update tree_pass descriptors.
2219 * tree-cfgcleanup.c: Update tree_pass descriptors.
2220 * cfgcleanup.c: Update tree_pass descriptors.
2221 * tree-ssa-pre.c: Update tree_pass descriptors.
2222 * tree-sra.c: Update tree_pass descriptors.
2223 * tree-mudflap.c: Update tree_pass descriptors.
2224 * tree-ssa-copy.c: Update tree_pass descriptors.
2225 * cfglayout.c: Update tree_pass descriptors.
2226 * tree-ssa-forwprop.c: Update tree_pass descriptors.
2227 * tree-ssa-dce.c: Update tree_pass descriptors.
2228 * tree-ssa.c: Update tree_pass descriptors.
2229 * regclass.c: Update tree_pass descriptors.
2230 * integrate.c: Update tree_pass descriptors.
2231 * tree-optimize.c: Update tree_pass descriptors.
2232 * tree-ssa-phiprop.c: Update tree_pass descriptors.
2233 * tree-object-size.c: Update tree_pass descriptors.
2234 * combine.c: Update tree_pass descriptors.
2235 * tree-outof-ssa.c: Update tree_pass descriptors.
2236 * bb-reorder.c: Update tree_pass descriptors.
2237 * stack-ptr-mod.c: Update tree_pass descriptors.
2238 * var-tracking.c: Update tree_pass descriptors.
2239 * tree-profile.c: Update tree_pass descriptors.
2240 * tree-vect-generic.c: Update tree_pass descriptors.
2241 * reg-stack.c: Update tree_pass descriptors.
2242 * sched-rgn.c: Update tree_pass descriptors.
2243 * tree-ssa-structalias.c: Update tree_pass descriptors.
2244 * tree-cfg.c: Update tree_pass descriptors.
2245 * passes.c (current_pass): Update declaration.
2246 (finish_optimization_passes): Update.
2247 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
2248 (register_one_dump_file, register_dump_files_1, next_pass_1):
2250 (init_optimization_passes): Update handling of new types.
2251 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
2252 * ipa-struct-reorg.c: Update tree_pass descriptors.
2253 * tree-ssa-reassoc.c: Update tree_pass descriptors.
2254 * combine-stack-adj.c: Update tree_pass descriptors.
2255 * cfgrtl.c: Update tree_pass descriptors.
2256 * dce.c: Update tree_pass descriptors.
2257 * tree-ssanames.c: Update tree_pass descriptors.
2259 2008-03-19 Richard Guenther <rguenther@suse.de>
2262 * tree-ssa.c (walk_data): New structure.
2263 (warn_uninitialized_var): If not always_executed warn with "maybe"
2265 (execute_early_warn_uninitialized): Compute post-dominators.
2266 Initialize always_executed before processing each basic block.
2268 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
2271 * config/i386/i386.c (x86_this_parameter): Calculate correct location
2272 of "this" pointer when "regparm = N" or "fastcall" is in effect.
2274 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2276 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
2278 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
2280 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
2282 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
2283 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
2284 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
2285 target after ignore has been set, and move there also the commputation
2286 of subtarget and original_target.
2287 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
2288 (LANG_HOOKS_INITIALIZER): Remove it.
2289 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
2291 2008-03-18 Richard Guenther <rguenther@suse.de>
2293 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
2294 found an expression with constants, note that in the VN for the lhs.
2295 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
2296 fold them to constants if possible. Run cleanup_cfg if done so.
2297 (execute_pre): Return todo.
2299 (execute_fre): Likewise.
2300 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
2302 (get_prop_source_stmt): Look through pointer conversions.
2304 2008-03-18 Jan Hubicka <jh@suse.cz>
2306 * tree-pretty-print.c: Include predict.h.
2307 (dump_generic_node): Dump predictor.
2308 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
2309 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
2310 * gimple-low.c (lower_stmt): Likewise.
2311 * expr.c (expand_expr_real): Likewise.
2312 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
2314 (build_predict_expr, build_predict_expr): New.
2315 * predict.h (predictor_name, build_predict_expr): Update.
2316 * c-typeck.c (c_finish_bc_stmt): Add prediction.
2317 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
2318 * predict.def (PRED_CONTINUE): Update hitrate.
2319 * tree.def (PREDICT_EXPR): Define.
2320 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
2321 do not handle BIND_EXPR.
2322 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
2323 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
2324 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
2327 2008-03-18 Michael Matz <matz@suse.de>
2329 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
2331 2008-03-18 Richard Guenther <rguenther@suse.de>
2333 * tree-gimple.h (is_gimple_invariant_address): Declare.
2334 (is_gimple_constant): Likewise.
2335 * tree-gimple.c (is_gimple_constant): New function.
2336 (is_gimple_invariant_address): Likewise.
2337 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
2338 and is_gimple_invariant_address.
2339 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
2341 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
2342 an addressable base.
2344 2008-03-18 Jakub Jelinek <jakub@redhat.com>
2347 * gimplify.c (gimplify_expr): Gimplify second operand of
2350 2008-03-17 Richard Guenther <rguenther@suse.de>
2352 PR tree-optimization/19637
2353 * fold-const.c (fold_unary): Remove restrictions of removing
2354 intermediate pointer-conversions (P2)(P1)P0.
2355 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
2356 conversion to void pointer.
2357 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
2359 2008-03-16 James E. Wilson <wilson@tuliptree.org>
2362 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
2363 emulated thread local variables.
2365 2008-03-16 Richard Guenther <rguenther@suse.de>
2368 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
2369 expand TREE_INVARIANT operations that are not gimple invariant.
2371 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
2373 * doc/extend.texi (Alignment): Say that the ABI controls
2374 the __alignof__ for non-strict-alignment targets rather
2375 than being a recommendation.
2377 2008-03-15 Paul Brook <paul@codesourcery.com>
2379 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
2381 (arm_output_fn_unwind): Mark functions that can not be unwound.
2383 2008-03-15 Paul Brook <paul@codesourcery.com>
2385 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
2386 extension instructions.
2388 2008-03-15 Richard Guenther <rguenther@suse.de>
2390 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
2391 and fold constant aggregate refs.
2392 (fold_const_aggregate_ref): Handle string constants
2393 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
2394 (evaluate_stmt): Simplify now that ccp_fold folds constant
2397 2008-03-15 Paul Brook <paul@codesourcery.com>
2399 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
2400 (extzv): Use gen_extzv_t2.
2401 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
2403 2008-03-15 Richard Guenther <rguenther@suse.de>
2405 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
2406 (fold_const_aggregate_ref): Likewise.
2407 (get_value): Return NULL if we don't have any values.
2408 (ccp_finalize): Set const_val to NULL after freeing it.
2409 * tree-flow.h (get_symbol_constant_value): Declare.
2410 (fold_const_aggregate_ref): Likewise.
2411 * tree-ssa-sccvn.c (try_to_simplify): Use them.
2413 2008-03-15 Richard Guenther <rguenther@suse.de>
2416 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
2417 to not produce negative array indices if not allowed. Add
2418 parameter to indicate that.
2419 (maybe_fold_offset_to_component_ref): Allow negative array
2420 indices only for the first member of a structure.
2421 (maybe_fold_offset_to_reference): Allow negative array indices.
2422 (maybe_fold_stmt_addition): Likewise.
2424 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
2425 Anatoly Sokolov <aesok@post.ru>
2427 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
2428 (avr_arch): Add ARCH_AVR6.
2429 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
2430 (initial_elimination_offset): Initialize and use 'avr_pc_size'
2431 instead of fixed value 2.
2432 (print_operand_address): Use gs() asm specifier instead of pm().
2433 (avr_assemble_integer): (Ditto.).
2434 (avr_output_addr_vec_elt): (Ditto.).
2435 (print_operand): Handle "!" code.
2436 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
2437 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
2438 (AVR_HAVE_EIJMP_EICALL): Define.
2439 (AVR_3_BYTE_PC): Redefine.
2440 (AVR_2_BYTE_PC): (Ditto.).
2441 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
2442 (LINK_SPEC): Add atmega2560 and atmega2561.
2443 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
2445 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
2446 for 3 byte PC devices.
2447 (call_value_insn): (Ditto.).
2448 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
2449 (indirect_jump): Use only for for 2 byte PC devices.
2450 (*tablejump): (Ditto.).
2451 (*indirect_jump_avr6): Add insn.
2452 (*tablejump_rjmp): Don't use for 3 byte PC devices.
2453 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
2454 instead of ijmp for 3 byte PC devices.
2455 (__tablejump2__): (Ditto.).
2456 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
2457 (MULITLIB_DIRNAMES): (Ditto.).
2458 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
2460 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
2462 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
2463 "sse2_umulsidi3". Use V1DI mode for operand 0.
2464 ("mmx_psadbw"): Use V1DI mode for operand 0.
2465 * config/i386/i386-modes.def (V1SI): New vector mode.
2466 * config/i386/i386.c (struct builtin_description)
2467 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
2468 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
2469 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
2470 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
2471 v1di_ftype_v8qi_v8qi type.
2472 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
2474 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
2475 __builtin_ia32_pmuludq]: Fix the mode of return value.
2477 2008-03-15 Richard Guenther <rguenther@suse.de>
2480 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
2483 2008-03-14 Bob Wilson <bob.wilson@acm.org>
2485 * doc/invoke.texi (Option Summary, Xtensa Options): Document
2486 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
2487 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
2488 unless TARGET_SERIALIZE_VOLATILE is enabled.
2489 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
2490 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
2491 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
2493 2008-03-14 Richard Guenther <rguenther@suse.de>
2495 PR tree-optimization/34172
2496 * tree-flow.h (refs_may_alias_p): Declare.
2497 (get_single_def_stmt): Likewise.
2498 (get_single_def_stmt_from_phi): Likewise.
2499 (get_single_def_stmt_with_phi): Likewise.
2500 * tree-dfa.c (refs_may_alias_p): New function.
2501 (get_single_def_stmt): Likewise.
2502 (get_single_def_stmt_from_phi): Likewise.
2503 (get_single_def_stmt_with_phi): Likewise.
2504 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
2505 (vn_reference_lookup_1): New helper function.
2506 (vn_reference_lookup): Walk the virtual use-def chain to
2507 continue searching for a match if the def does not alias the
2508 reference we are looking for.
2510 2008-03-14 David Edelsohn <edelsohn@gnu.org>
2512 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
2513 archive and Perzl. Update The Written Word listing.
2515 2008-03-14 Richard Guenther <rguenther@suse.de>
2517 PR tree-optimization/34043
2518 PR tree-optimization/33989
2519 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
2521 (bitmap_find_leader): Use extra argument to verify dominance
2522 relationship inside a basic-block.
2523 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
2524 (find_leader_in_sets): Adjust.
2525 (create_component_ref_by_pieces): Take extra argument for
2526 dominance check, handle lookup failures.
2527 (find_or_generate_expression): Likewise.
2528 (create_expression_by_pieces): Likewise.
2529 (insert_into_preds_of_block): Adjust.
2530 (create_value_expr_from): If asked for, verify all operands
2531 are in the blocks AVAIL_OUT set.
2532 (make_values_for_stmt): Check for SSA_NAMEs that are life
2533 over an abnormal edge.
2534 (compute_avail): Remove such check.
2535 (do_SCCVN_insertion): New function.
2536 (eliminate): If we do not find a leader suitable for replacement
2537 insert a replacement expression from SCCVN if available.
2538 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
2539 (struct vn_ssa_aux): Add needs_insertion flag.
2540 * tree-ssa-sccvn.c (may_insert): New global flag.
2541 (copy_reference_ops_from_ref): Value-number union member access
2542 based on its size, not type and member if insertion is allowed.
2543 (visit_reference_op_load): For a weak match from union type
2544 punning lookup a view-converted value and insert a SSA_NAME
2545 for that value if that is not found.
2546 (visit_use): Make dumps shorter. Do not disallow value numbering
2547 SSA_NAMEs that are life over an abnormal edge to constants.
2548 (free_scc_vn): Release inserted SSA_NAMEs.
2549 (run_scc_vn): New flag to specify whether insertion is allowed.
2550 Process SSA_NAMEs in forward order.
2551 * tree-ssa-loop-im.c (for_each_index): Handle invariant
2552 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
2553 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
2554 pointer type to/from integral types that do not change the
2555 precision to regular conversions.
2557 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
2559 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2560 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2561 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
2562 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
2563 input arguments and the mode of return value. Built-in functions
2564 that operate on whole 64-bit MMX register now use V1DI mode.
2566 2008-03-13 Alon Dayan <alond@il.ibm.com>
2567 Olga Golovanevsky <olga@il.ibm.com>
2569 PR tree-optimization/35041
2570 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
2571 to locate the right position in a statement.
2573 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
2577 * config/i386/xmmintrin.h: Change all static inline functions to
2578 extern inline and add __gnu_inline__ attribute.
2579 * config/i386/bmintrin.h: Ditto.
2580 * config/i386/smmintrin.h: Ditto.
2581 * config/i386/tmmintrin.h: Ditto.
2582 * config/i386/mmintrin-common.h: Ditto.
2583 * config/i386/ammintrin.h: Ditto.
2584 * config/i386/emmintrin.h: Ditto.
2585 * config/i386/pmmintrin.h: Ditto.
2586 * config/i386/mmintrin.h: Ditto.
2587 * config/i386/mm3dnow.h: Ditto.
2589 2008-03-13 Jakub Jelinek <jakub@redhat.com>
2592 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
2593 (lower_omp_2): New function.
2594 (lower_omp_1, lower_omp): Rewritten.
2596 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
2599 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
2600 with the phrase "Microsoft Windows compilers".
2601 (Push/Pop Macro Pragmas): New subsection. Document
2602 #pragma push_macro and pragma pop_macro.
2604 2008-03-12 Paul Brook <paul@codesourcery.com>
2606 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
2608 2008-03-12 Paul Brook <paul@codesourcery.com>
2610 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
2611 (thumb2_alusi3_short): Exclude PLUS and MINUS.
2612 (thumb2_addsi_shortim): Rename ...
2613 (thumb2_addsi_short): ... to this. Allow register operands.
2614 (thumb2_subsi_short): New pattern.
2615 (thumb2_one_cmplsi2_short,
2616 thumb2_negsi2_short): New patterns and peepholes.
2618 2008-03-12 Paul Brook <paul@codesourcery.com>
2620 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
2622 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
2624 * config/i386/i386.md (int_cond): New code iterator.
2626 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
2627 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
2628 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
2629 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
2630 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
2631 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
2632 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
2633 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
2635 2008-03-12 Paul Brook <paul@codesourcery.com>
2637 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
2638 instead of {arm,thumb}_compute_save_reg_mask.
2639 (output_return_instruction): Ditto.
2640 (thumb_unexpanded_epilogue): Ditto.
2641 (thumb1_expand_prologue): Ditto.
2642 (thumb1_output_function_prologue): Ditto.
2643 (arm_set_return_address): Ditto.
2644 (thumb_set_return_address): Ditto.
2645 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
2646 regs to achieve stack alignment.
2647 (thumb1_compute_save_reg_mask): Fix compiler warning.
2648 (arm_output_epilogue): Use offsets->saved_regs_mask.
2649 Adjust stack pointer by poping call clobered registers.
2650 (arm_expand_prologue): Use offsets->saved_regs_mask.
2651 Adjust stack pointer by pushing extra registers.
2652 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
2654 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
2657 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
2658 conversion to the operands of a multiplication.
2660 2008-03-12 Richard Guenther <rguenther@suse.de>
2662 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
2663 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
2664 * timevar.def (TV_TREE_PHIPROP): Add.
2665 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
2666 pass description. Use TV_TREE_PHIPROP.
2667 * tree-ssa-forwprop.c: Remove phiprop code.
2669 2008-03-12 Jakub Jelinek <jakub@redhat.com>
2672 * omp-low.c (maybe_lookup_decl): Constify first argument.
2673 (use_pointer_for_field): Change last argument from bool to
2674 omp_context *. Disallow shared copy-in/out in nested
2675 parallel if decl is shared in outer parallel too.
2676 (build_outer_var_ref, scan_sharing_clauses,
2677 lower_rec_input_clauses, lower_copyprivate_clauses,
2678 lower_send_clauses, lower_send_shared_vars): Adjust callers.
2680 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
2681 Ira Rosen <irar@il.ibm.com>
2683 * tree-vectorizer.c (free_stmt_vec_info): New function.
2684 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
2685 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
2686 * tree-vectorizer.h (free_stmt_vec_info): Declare.
2687 * tree-vect-transform.c (vectorizable_conversion): Free
2688 vec_oprnds0 if it was allocated.
2689 (vect_permute_store_chain): Remove unused VECs.
2690 (vectorizable_store): Free VECs that are allocated in the..
2692 (vect_transform_strided_load, vectorizable_load): Likewise.
2693 (vect_remove_stores): Simplify the code.
2694 (vect_transform_loop): Move code to vect_remove_stores().
2695 Call vect_remove_stores() and free_stmt_vec_info().
2697 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2699 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
2700 TARGET_HPUX. Revise comment.
2701 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
2702 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
2703 Use sr4 variant of `be' instruction when not generating PIC code.
2704 (attr_length_call): Adjust for above change.
2706 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2708 * ipa-reference.c (static_execute): Remove module_statics_const and
2709 associated setting code.
2711 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
2714 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2715 predicate for operand 1.
2716 (paritysi2_cmp): Use register_operand predicate for operand 2.
2717 Use earlyclobber modifier for operand 1. Remove support for
2719 (paritydi2_cmp): Use register_operand predicate for operand 3.
2720 Use earlyclobber modifier for operand 1. Remove support for
2723 2008-03-11 Paul Brook <paul@codesourcery.com>
2724 Vladimir Prus <vladimir@codesourcery.com>
2726 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2727 (arm_compute_save_reg0_reg12_mask): Always
2728 check if register 11 must be saved. Always safe hard frame pointer
2729 when frame_pointer_needeed.
2730 (arm_compute_save_reg_mask): Save IP and PC
2731 only with apcs frames.
2732 (arm_output_epilogue): Adjust Thumb2 codepath to
2733 be also invoked and work for ARM non-apcs frames.
2734 (arm_expand_prologue): Don't bother saving IP
2735 for non-apcs frame, since it's not clobbered by
2736 prologue code. Implement non-apcs frame
2739 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
2741 PR rtl-optimization/35281
2742 * expr.c (convert_move): Use a new pseudo for the intermediate
2743 from_mode->word_mode result.
2745 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
2747 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2748 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2749 * toplev.c (compile_file): Don't call it.
2751 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
2754 * expr.c (store_expr): Call emit_block_move if the mode
2755 of "temp" RTX is BLKmode.
2757 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2758 Richard Guenther <rguenther@suse.de>
2760 PR tree-optimization/31358
2761 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2762 the step with a NULL_TREE.
2763 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2764 to sizetype if type is a pointer type.
2765 (add_candidate_1): Don't convert the base and step to
2766 the generic type if the orginal type is a pointer type.
2767 (add_iv_value_candidates): Use sizetype for the step
2768 if type is a pointer type.
2769 (cand_value_at): Likewise.
2770 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2772 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2773 Don't convert the tem affine to the type.
2774 (add_elt_to_tree): Use sizetype for the step if a pointer.
2775 Use POINTER_PLUS_EXPR for pointers.
2776 (aff_combination_to_tree): Use sizetype for the step if a
2779 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
2781 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2782 Remove commutativity hint.
2784 2008-03-10 Jakub Jelinek <jakub@redhat.com>
2788 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2789 errorneous type. Check that v is a VAR_DECL.
2792 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2794 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
2796 PR tree-optimization/35494
2797 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2798 may be overriden at link and run time.
2800 2008-03-10 Richard Guenther <rguenther@suse.de>
2802 PR tree-optimization/34677
2803 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2804 (poolify_tree): Likewise.
2805 (modify_expr_template): Likewise.
2806 (poolify_modify_stmt): Likewise.
2807 (insert_fake_stores): Handle all component-ref style stores
2808 in addition to INDIRECT_REF. Also handle complex types.
2809 Do not poolify the inserted load.
2810 (realify_fake_stores): Do not rebuild the tree but only
2811 make it a SSA_NAME copy.
2812 (init_pre): Remove initialzation of modify_expr_template.
2813 Do not allocate modify_expr_node_pool.
2814 (fini_pre): Do not free modify_expr_node_pool.
2816 2008-03-10 Paul Brook <paul@codesourcery.com>
2818 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2821 2008-03-10 Paul Brook <paul@codesourcery.com>
2822 Mark Shinwell <shinwell@codesourcery.com>
2824 * config/arm/cortex-r4.md: New.
2825 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2827 * config/arm/arm.md: Include cortex-r4.md.
2828 (insn): Add smmls, sdiv and udiv values.
2829 (generic_sched): Don't use generic scheduling for Cortex-R4.
2830 (arm_issue_rate): New function.
2831 (TARGET_SCHED_ISSUE_RATE): Define.
2833 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
2835 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2837 2008-03-10 Richard Guenther <rguenther@suse.de>
2839 * tree-ssa-pre.c (get_sccvn_value): Simplify.
2840 (compute_avail): Do not add stmt uses to AVAIL_OUT.
2842 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
2844 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2845 Set default to true.
2847 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2849 * c.opt (Wsynth): Deprecate.
2850 * doc/invoke.texi (Option Summary, Warning Options): Document
2851 -Wno-format-contains-nul.
2853 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
2856 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2857 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2859 2008-03-09 Ira Rosen <irar@il.ibm.com>
2861 * config/rs6000/rs6000.c (builtin_description): Rename vector
2862 left shift operations.
2863 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2864 (altivec_vsl<VI_char>): Rename to ...
2865 (ashl<mode>3): ... new name.
2866 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2868 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2870 2008-03-08 Richard Guenther <rguenther@suse.de>
2872 * coverage.h (tree_coverage_counter_addr): Declare.
2873 * coverage.c (tree_coverage_counter_addr): New function.
2874 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2876 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2877 (tree_gen_one_value_profiler): Likewise.
2878 (tree_gen_ic_profiler): Likewise.
2879 (tree_gen_average_profiler): Likewise.
2880 (tree_gen_ior_profiler): Likewise.
2882 2008-03-08 Richard Guenther <rguenther@suse.de>
2884 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2885 (vn_binary_op_insert): Likewise.
2886 (vn_unary_op_lookup): Likewise.
2887 (vn_unary_op_insert): Likewise.
2888 (vn_nary_op_lookup): Declare.
2889 (vn_nary_op_insert): Likewise.
2890 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2891 and binary hashes, use a single obstack for unary_op_pool
2893 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2894 a single struct vn_nary_op_s. Store tree code length and
2895 a variable number of operands.
2896 (struct vn_reference_op_struct): Remove unused op2.
2897 (vn_reference_op_eq): Do not compare op2.
2898 (vn_reference_op_compute_hash): Do not compute hash of op2.
2899 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2900 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2901 with vn_nary_op_compute_hash.
2902 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2903 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2905 (vn_unary_op_insert, vn_binary_op_insert): Replace with
2907 (visit_unary_op): Call nary functions.
2908 (visit_binary_op): Likewise.
2909 (process_scc): Adjust for struct vn_tables_s changes.
2910 (allocate_vn_table): Likewise.
2911 (free_vn_table): Likewise.
2912 * tree-vn.c (vn_add): Call nary functions.
2913 (vn_lookup): Likewise.
2915 2008-03-08 Jakub Jelinek <jakub@redhat.com>
2918 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2919 wdst back after sync_compare_and_swapqhi_internal.
2921 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
2924 * config/i386/i386-modes.def (V1DI): New vector mode.
2925 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2926 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2927 (MMXMODE248): Ditto.
2928 (MMXMODE): Add V1DI mode.
2929 (mmxvecsize): Change DI mode to V1DI mode.
2930 ("mov<mode>): Use MMXMODEI8 mode iterator.
2931 ("*mov<mode>_internal_rex64"): Ditto.
2932 ("*mov<mode>_internal"): Ditto.
2933 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
2934 ("mmx_sub<mode>3"): Ditto.
2935 ("mmx_adddi3"): Remove insn pattern.
2936 ("mmx_subdi3"): Ditto.
2937 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2938 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2939 ("mmx_ashl<mode>3"): Ditto.
2940 ("mmx_lshrdi3"): Remove insn pattern.
2941 ("mmx_ashldi3"): Ditto.
2942 * config/i386/i386.c (classify_argument): Handle V1DImode.
2943 (function_arg_advance_32): Ditto.
2944 (function_arg_32): Ditto.
2945 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2946 mmx_addv1di3 insn pattern.
2947 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2948 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2949 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2950 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2951 Remove definitions of built-in functions.
2952 (V1DI_type_node): New node.
2953 (v1di_ftype_v1di_int): Ditto.
2954 (v1di_ftype_v1di_v1di): Ditto.
2955 (v2si_ftype_v2si_si): Ditto.
2956 (v4hi_ftype_v4hi_di): Remove node.
2957 (v2si_ftype_v2si_di): Ditto.
2958 (ix86_init_mmx_sse_builtins): Handle V1DImode.
2959 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2960 Redefine builtins using def_builtin_const with *_ftype_*_int node.
2961 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2962 Add new builtins using def_builtin_const.
2963 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2964 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2965 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2966 * config/i386/mmintrin.h (__v1di): New typedef.
2967 (_mm_add_si64): Cast arguments to __v1di type.
2968 (_mm_sub_si64): Ditto.
2969 (_mm_sll_pi16): Cast __count to __v4hi type.
2970 (_mm_sll_pi32): Cast __count to __v2si type.
2971 (_mm_sll_si64): Cast arguments to __v1di type.
2972 (_mm_srl_pi16): Cast __count to __v4hi type.
2973 (_mm_srl_pi32): Cast __count to __v2si type.
2974 (_mm_srl_si64): Cast arguments to __v1di type.
2975 (_mm_sra_pi16): Cast __count to __v4hi type.
2976 (_mm_sra_pi32): Cast __count to __v2si type.
2977 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2978 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2979 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2980 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2981 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2982 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2983 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2984 (_mm_srai_pi32): Use __builtin_ia32_psradi.
2985 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2986 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2987 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2988 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2990 2008-03-07 Joseph Myers <joseph@codesourcery.com>
2992 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2994 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
2997 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2998 reg+const addressing for Altivec modes. Don't generate reg+reg
2999 addressing for TFmode or TDmode quantities.
3001 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
3003 * c-common.c (vector_types_convertible_p): Call langhook
3004 instead of comptypes.
3006 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3009 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
3010 integral and scalar float variables which have a
3013 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
3015 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
3016 dwarf_register_span hook when emitting unwind information for
3017 register-to-memory saves.
3018 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
3019 (rs6000_frame_related): Remove call to spe_synthesize_frame.
3021 2008-03-06 Jakub Jelinek <jakub@redhat.com>
3023 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
3024 for the same VAR_DECL.
3026 2008-03-06 Tom Tromey <tromey@redhat.com>
3029 * doc/standards.texi (Standards): Don't mention treelang.
3030 * doc/invoke.texi (Overall Options): Don't mention treelang.
3031 * doc/install.texi (Prerequisites): Don't mention bison or
3033 (Configuration): Don't mention treelang.
3034 (Building): Likewise.
3035 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
3037 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
3039 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
3040 word-extractions out of a multi-word object.
3042 2008-03-06 Richard Guenther <rguenther@suse.de>
3044 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
3045 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
3046 result type and precision.
3047 * expr.c (get_inner_reference): Set unsignedp based on the result
3048 type of BIT_FIELD_REF.
3049 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
3050 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
3051 (try_instantiate_multiple_fields): Likewise. Use the correct type
3053 (sra_build_assignment): Likewise.
3054 (sra_build_elt_assignment): Likewise.
3055 (sra_explode_bitfield_assignment): Likewise.
3056 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
3057 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
3058 set BIT_FIELD_REF_UNSIGNED.
3059 (vectorizable_load): Likewise.
3061 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
3063 * cse.c (cse_extended_basic_block): Invalidate artificial defs
3066 2008-03-06 Richard Guenther <rguenther@suse.de>
3068 * alias.c (struct alias_set_entry): Move has_zero_child field
3069 to pack with alias_set.
3071 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
3073 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3076 2008-03-05 Ian Lance Taylor <iant@google.com>
3078 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
3080 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
3082 * fwprop.c (update_df): Support width and offset parameters of
3084 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
3085 global_conflicts): Change DF_REF_EXTRACT to either
3086 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3087 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3088 * df-scan.c (df_ref_record, df_defs_record,
3089 df_ref_create_structure, df_def_record_1, df_uses_record,
3090 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
3091 df_bb_refs_collect, df_entry_block_defs_collect,
3092 df_exit_block_uses_collect): Support new width and offset fields.
3093 (ref_extract_pool): New storage pool.
3094 (df_free_ref): New function.
3095 (df_reg_chain_unlink, df_free_collection_rec,
3096 df_sort_and_compress_refs): Call df_free_ref.
3097 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
3099 (df_ref_create_structure): Allocate df_ref_extract if offset and
3100 width fields are used.
3101 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
3102 (df_uses_record): Get offset and width from ZERO_EXTRACT
3104 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
3105 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3106 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3107 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
3108 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3109 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3110 (df_ref_extract): New structure.
3111 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
3112 (df_ref_create): Add width and offset parameters.
3114 2008-03-05 Richard Guenther <rguenther@suse.de>
3116 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3117 Use ranges_overlap_p.
3118 (offset_overlaps_with_access): Rename
3119 to ranges_overlap_p and move ...
3120 * tree-flow-inline.h (ranges_overlap_p): ... here.
3122 * tree.h (get_inner_reference, handled_component_p): Update
3125 * tree.h (record_component_aliases, get_alias_set,
3126 alias_sets_conflict_p, alias_sets_must_conflict_p,
3127 objects_must_conflict_p): Move declarations ...
3128 * alias.h (record_component_aliases, get_alias_set,
3129 alias_sets_conflict_p, alias_sets_must_conflict_p,
3130 objects_must_conflict_p): ... here.
3131 Include coretypes.h.
3132 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
3134 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
3136 * cfg.c: Include tree-flow.h.
3137 (remove_edge_raw): Call redirect_edge_var_map_clear.
3138 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
3139 * tree-flow-inline.h (redirect_edge_var_map_def): New.
3140 (redirect_edge_var_map_result): New.
3141 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
3142 PENDING_STMT use with redirect_edge_var_map_*.
3143 * tree-ssa.c (edge_var_maps): New definition.
3144 (redirect_edge_var_map_add): New.
3145 (redirect_edge_var_map_clear): New.
3146 (redirect_edge_var_map_dup): New.
3147 (redirect_edge_var_map_vector): New.
3148 (redirect_edge_var_map_destroy): New.
3149 (ssa_redirect_edge): Replace PENDING_STMT use with
3150 redirect_edge_var_map_*.
3151 (flush_pending_stmts): Same.
3152 (delete_tree_ssa): Destroy edge var map.
3153 * tree-flow.h (struct _edge_var_map): New.
3154 Define edge_var_map vector type.
3155 Declare redirect_edge_var_map_* prototypes.
3156 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
3157 * tree-cfg.c (reinstall_phi_args): Replace
3158 PENDING_STMT use with redirect_edge_var_map_*.
3160 2008-03-05 Richard Guenther <rguenther@suse.de>
3162 PR tree-optimization/35472
3163 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
3164 whose single use_stmt has a overlapping set of loaded and
3165 stored symbols as that use_stmt might be a noop assignment then.
3167 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3169 * gthr-rtems.h: Implement __gthread_mutex_destroy.
3171 2008-03-05 Richard Guenther <rguenther@suse.de>
3174 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
3175 should be constants.
3176 * tree-cfg.c (verify_expr): Verify it.
3177 * fold-const.c (fold_truthop): Remove code generating
3178 BIT_FIELD_REFs of structure bases.
3179 (fold_binary): Likewise.
3180 (fold_ternary): Position and size of BIT_FIELD_REFs are
3181 always host integers.
3182 (make_bit_field_ref): Remove.
3183 (optimize_bit_field_compare): Remove.
3184 (all_ones_mask_p): Remove.
3186 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
3189 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
3190 (split_block_and_df_analyze): New. Split basic block and rebuild
3192 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
3194 (split_pattern_seq): Likewise.
3195 (erase_matching_seqs): Likewise.
3196 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
3198 2008-03-04 Geoff Keating <geoffk@apple.com>
3200 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
3201 declaration and code.
3202 (tree_invalid_nonnegative_warnv_p): Likewise.
3204 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3206 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
3207 examples. Truncate option-names then causing overfull hbox.
3209 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3212 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
3214 * configure: Rebuilt.
3216 2008-03-04 Rafael Espindola <espindola@google.com>
3218 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
3219 (tree_unary_nonnegative_warnv_p): New.
3220 (tree_binary_nonnegative_warnv_p): New.
3221 (tree_single_nonnegative_warnv_p): New.
3222 (tree_invalid_nonnegative_warnv_p): New.
3223 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
3225 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3228 * opts.c (handle_option): Postpone 'unknown option' errors only for
3231 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
3234 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
3237 2008-03-04 Rafael Espindola <espindola@google.com>
3239 * fold-const.c (tree_unary_nonzero_warnv_p): New.
3240 (tree_binary_nonzero_warnv_p): New.
3241 (tree_single_nonzero_warnv_p): New.
3242 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
3244 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
3247 * fold-const.c (fold_cond_expr_with_comparison): Prevent
3248 transformations for modes that have signed zeros.
3249 * ifcvt.c (noce_try_abs): Ditto.
3251 2008-03-04 Joseph Myers <joseph@codesourcery.com>
3253 * config/i386/i386.c (override_options): Force
3254 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
3256 2008-03-04 Jan Hubicka <jh@suse.cz>
3259 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
3262 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3264 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
3265 label to probe the stack.
3267 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3269 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
3270 (__gthr_win32_mutex_destroy): Declare.
3271 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
3272 __gthr_win32_mutex_destroy.
3273 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
3275 2008-03-03 Jan Hubicka <jh@suse.cz>
3278 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
3279 aggressive on inlining cold calls.
3281 2008-03-03 Richard Guenther <rguenther@suse.de>
3283 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
3284 struct copies into the expression table.
3285 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
3286 (try_to_simplify): Likewise.
3287 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
3288 integral and pointer arguments which do not change the
3289 precision to NOP_EXPRs.
3290 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
3291 VIEW_CONVERT_EXPR case.
3293 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
3295 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
3296 defined in a loop at depth 0 is invariant.
3297 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3298 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
3299 be called at loop depth 0.
3301 2008-03-02 Jakub Jelinek <jakub@redhat.com>
3304 * gcc.c (process_command): Update copyright notice dates.
3305 * gcov.c (print_version): Likewise.
3306 * gcov-dump.c (print_version): Likewise.
3307 * mips-tfile.c (main): Likewise.
3308 * mips-tdump.c (main): Likewise.
3310 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3313 * c-common.c (flag_permissive): Delete.
3314 (constant_expression_warnings): Check flags first.
3315 (constant_expression_error): New.
3316 * c-common.h (flag_permissive): Delete.
3317 (constant_expression_error): Declare.
3318 * flags.h (flag_permissive): Declare. Update description.
3319 * diagnostic.c (pedwarn): Update.
3321 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
3322 (permissive_error_kind): New.
3323 * toplev.c (flag_permissive): Define. Update description.
3324 * toplev.h (permissive_error_kind): Declare.
3325 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
3326 (pedwarn_c90): Use pedantic_warning_kind.
3327 * c-opts.c (c_common_post_options): flag_permissive does not affect
3328 flag_pedantic_errors.
3330 2008-03-02 Joseph Myers <joseph@codesourcery.com>
3332 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
3333 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
3334 __absvsi2, __absvDI2): Use unsigned arithmetic.
3336 2008-03-02 Andi Kleen <ak@suse.de>
3337 Richard Guenther <rguenther@suse.de>
3339 * struct-equiv.c: Remove file.
3340 * cfg_cleanup.c (condjump_equiv_p): Remove.
3341 * Makefile.in (OBJS-common): Remove struct-equiv.o.
3342 (struct-equiv.o): Remove rule.
3343 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
3344 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
3345 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
3347 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3349 * ifcvt.c (noce_process_if_block): Try to handle only the then
3350 block if the else block exists but isn't suitable.
3352 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3355 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
3356 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
3357 regression from previous patch.
3359 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3362 * gthr.h: Add __gthread_mutex_destroy as a function that must be
3364 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
3365 * gthr-single.h (__gthread_mutex_destroy): Likewise.
3366 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
3367 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
3368 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
3369 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
3370 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
3371 (__gthread_mutex_destroy_function): Rename to
3372 __gthread_mutex_destroy.
3373 * gthr-dce.h (__gthread_mutex_destroy): Call
3374 pthread_mutex_destroy.
3375 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
3376 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
3377 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
3379 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3381 * df-scan.c (df_ref_chain_change_bb): Simplify.
3382 (df_insn_change_bb): Add new_bb argument. Simplify. Call
3383 set_block_for_insn if there's any change.
3384 * df.h ((df_insn_change_bb): Fix prototype.
3385 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
3386 df_insn_change_bb, don't call set_block_for_insn.
3387 * emit-rtl.c (reorder_insns): Likewise.
3388 * haifa-sched.c (move_insn): Likewise.
3390 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3392 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
3394 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3396 * tree-flow-inline.h (next_readonly_imm_use): Return
3397 NULL_USE_OPERAND_P after the end.
3399 2008-03-01 Richard Guenther <rguenther@suse.de>
3401 PR tree-optimization/35411
3402 * tree-sra.c (sra_build_assignment): Split conversion to
3403 final type to a separate statement if we are not assigning
3406 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3408 * fold-const.c (fold_convertible_p): Correct the logic to follow
3409 that in fold_convert().
3411 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
3414 * tree-inline.c (build_duplicate_type): When we make a
3415 duplicate type, make it unique in the canonical types system.
3417 2008-02-29 Tom Tromey <tromey@redhat.com>
3419 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
3420 input_file_stack_history, input_file_stack_restored): Remove.
3421 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3422 * input.h (struct file_stack): Remove.
3423 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3424 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
3426 * diagnostic.h (struct diagnostic_context) <last_module>: Change
3428 (diagnostic_last_module_changed): Add 'map' argument.
3429 (diagnostic_set_last_function): Likewise.
3430 * diagnostic.c (undiagnostic_report_current_module): Iterate using
3431 line map, not input_file_stack.
3432 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
3434 2008-02-29 Paul Brook <paul@codesourcery.com>
3436 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
3438 2008-02-29 Paul Brook <paul@codesourcery.com>
3440 * config/arm/ieee754-df.S (muldf3): Use RET macros.
3442 2008-02-29 Richard Guenther <rguenther@suse.de>
3444 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
3446 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
3447 value for comparing for a store match.
3448 (simplify_unary_expression): Do nothing for SSA_NAMEs.
3449 (try_to_simplify): Do not do a full-blown reference lookup.
3451 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3453 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
3454 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3456 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
3458 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
3460 * tree-loop-linear.c (try_interchange_loops): Compare memory access
3461 strides against cache sizes.
3463 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3465 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
3468 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
3470 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
3471 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
3472 is smaller than the original promoted value.
3473 (simplify_subreg): If OP is a SUBREG, try to preserve its
3474 SUBREG_PROMOTED_VAR_P information.
3476 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3478 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
3479 (VN_INFO_GET): Allocate new objects on the obstack.
3480 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
3481 for rpo_numbers_temp, for consistency.
3482 (free_scc_vn): Free the obstack.
3484 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
3486 * doc/invoke.texi: Document -ftree-loop-distribution.
3487 * tree-loop-distribution.c: New.
3488 * tree-pass.h (pass_loop_distribution): New.
3489 * graphds.h (struct graph): Add htab_t indices.
3490 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
3491 * tree-vectorizer.c (rename_variables_in_loop): Extern.
3492 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
3493 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
3494 * tree-data-ref.c (debug_data_dependence_relations): New.
3495 (dump_data_dependence_relation): Also print data references.
3496 (free_data_ref): Extern.
3497 (same_access_functions): Moved...
3498 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
3499 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3500 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
3501 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
3502 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
3503 (stmts_from_loop): Skip LABEL_EXPR.
3504 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
3506 (build_rdg): Initialize rdg->indices htab.
3507 (free_rdg, stores_from_loop, ref_base_address,
3508 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
3509 have_similar_memory_accesses_1, ref_base_address_1,
3510 remove_similar_memory_refs): New.
3511 * tree-data-ref.h: Depend on tree-chrec.h.
3512 (debug_data_dependence_relations, free_data_ref): Declared.
3513 (same_access_functions): ... here.
3514 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
3516 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
3517 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
3518 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
3519 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3520 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
3521 rdg_vertex_for_stmt): Declared.
3522 (struct rdg_edge): Add level.
3524 (free_rdg, stores_from_loop, remove_similar_memory_refs,
3525 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
3527 (rdg_has_similar_memory_accesses): New.
3528 * tree-vect-analyze.c: Remove unused static decls.
3529 * lambda.h (dependence_level): New.
3530 * common.opt (ftree-loop-distribution): New.
3531 * tree-flow.h (mark_virtual_ops_in_bb,
3532 slpeel_tree_duplicate_loop_to_edge_cfg,
3533 rename_variables_in_loop): Declared.
3534 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
3535 (OBJS-common): Add tree-loop-distribution.o.
3536 (tree-loop-distribution.o): New rule.
3537 * tree-cfg.c (mark_virtual_ops_in_bb): New.
3538 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
3539 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
3541 2008-02-28 Joseph Myers <joseph@codesourcery.com>
3544 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
3545 other than structures and unions.
3547 2008-02-28 Richard Guenther <rguenther@suse.de>
3550 2008-02-26 Richard Guenther <rguenther@suse.de>
3552 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3553 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3554 (lookup_decl_from_uid): Declare.
3555 (remove_decl_from_map): Likewise.
3556 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3557 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3558 (decl_for_uid_map): New global hashtable mapping DECL_UID
3560 (init_ttree): Allocate it.
3561 (insert_decl_to_uid_decl_map): New helper function.
3562 (make_node_stat): Insert new decls into the map.
3563 (copy_node_stat): Likewise.
3564 (lookup_decl_from_uid): New function.
3565 (remove_decl_from_map): Likewise.
3566 (print_decl_for_uid_map_statistics): New helper.
3567 (dump_tree_statistics): Call it.
3569 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3570 (referenced_var_iterator): Adjust.
3571 (FOR_EACH_REFERENCED_VAR): Adjust.
3572 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3573 (num_referenced_vars): Adjust.
3574 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3575 (first_referenced_var): Remove.
3576 (end_referenced_vars_p): Likewise.
3577 (next_referenced_var): Likewise.
3578 (referenced_var_iterator_set): New helper function.
3579 * tree-dfa.c (referenced_var_lookup): Adjust.
3580 (referenced_var_check_and_insert): Likewise.
3581 (remove_referenced_var): Likewise.
3582 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3583 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3584 (verify_call_clobbering): Likewise.
3585 (verify_memory_partitions): Likewise.
3586 (init_tree_ssa): Allocate bitmap instead of hashtable for
3588 (delete_tree_ssa): Adjust.
3589 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3590 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3591 (compute_tag_properties): Likewise.
3592 (set_initial_properties): Likewise.
3593 (find_partition_for): Likewise.
3594 (update_reference_counts): Likewise.
3595 (dump_may_aliases_for): Likewise.
3596 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3597 (add_call_clobber_ops): Likewise.
3598 (add_call_read_ops): Likewise.
3599 (get_asm_expr_operands): Likewise.
3600 * tree-into-ssa.c (dump_decl_set): Likewise.
3601 (update_ssa): Likewise.
3602 * tree-sra.c (scan_function): Likewise.
3603 (decide_instantiations): Likewise.
3604 (scalarize_parms): Likewise.
3605 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3606 (dsa_named_for): Likewise.
3607 * tree-ssa-structalias.c (update_alias_info): Likewise.
3608 (merge_smts_into): Likewise.
3610 2008-02-27 David Daney <ddaney@avtrex.com>
3613 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
3614 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
3615 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
3616 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
3617 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
3619 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
3622 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
3623 (BUILT_IN_NEXTTOWARD): Remove.
3624 (BUILT_IN_NEXTTOWARDF): Ditto.
3625 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
3626 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
3628 2008-02-27 Tom Tromey <tromey@redhat.com>
3630 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
3631 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
3633 2008-02-27 Jan Beulich <jbeulich@novell.com>
3635 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
3636 update the respective field on newdecl.
3638 2008-02-27 Revital Eres <eres@il.ibm.com>
3640 PR rtl-optimization/34999
3641 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
3642 crossing edges that ends with a call insn.
3643 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
3644 call insn and clear the EDGE_CROSSING flag of the crossing edge
3645 when fixing fallthru edges.
3647 2008-02-27 Richard Guenther <rguenther@suse.de>
3650 * fold-const.c (fold_unary): Return the correct argument,
3651 converted to the result type.
3653 2008-02-27 Richard Guenther <rguenther@suse.de>
3656 * expr.c (expand_expr_real_1): Assert on rotates that operate
3658 * fold-const.c (fold_binary): Use the types precision, not the
3659 bitsize of the mode if folding rotate expressions. Build rotates
3660 only for full modes.
3662 2008-02-27 Jakub Jelinek <jakub@redhat.com>
3664 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
3666 * c-pragma.c (pragma_ns_name): New typedef.
3667 (registered_pp_pragmas): New variable.
3668 (c_pp_lookup_pragma): New function.
3669 (c_register_pragma_1): If flag_preprocess_only, do nothing
3670 for non-expanded pragmas, for expanded ones push pragma's
3671 namespace and name into registered_pp_pragmas vector.
3672 (c_invoke_pragma_handler): Register OpenMP pragmas even when
3673 flag_preprocess_only, don't register GCC pch_preprocess
3674 pragma if flag_preprocess_only.
3675 * c-opts.c (c_common_init): Call init_pragma even if
3676 flag_preprocess_only.
3677 * c-pragma.c (c_pp_lookup_pragma): New prototype.
3678 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
3679 cpp_register_pragma if flag_preprocess_only.
3681 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3684 * c-parser.c (c_parser_translation_unit): Warn for empty
3685 translation unit, not empty source file.
3687 2008-02-26 Paul Brook <paul@codesourcery.com>
3689 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
3690 operand for Thumb-2.
3691 * config/arm/arm.h (reg_class): Add CORE_REGS.
3692 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
3693 (BASE_REG_CLASS): Use CORE_REGS.
3694 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
3695 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
3696 (REGNO_OK_FOR_INDEX_P): Exclude SP.
3697 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
3698 ARM_REGNO_OK_FOR_INDEX_P.
3699 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
3700 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
3701 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
3702 (ldm/stm peepholes): Ditto.
3703 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
3704 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
3705 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
3706 * config/arm/constraints.md: Enable "k" constraint on ARM.
3708 2008-02-27 Ben Elliston <bje@au.ibm.com>
3710 * config/rs6000/rs6000.c: Annotate cache line size field in all
3711 instances of struct processor_costs.
3713 2008-02-26 David Edelsohn <edelsohn@gnu.org>
3715 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3716 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3717 jump_bypass): New counters.
3718 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3719 * dce.c (gate_ud_dce): Same.
3720 (gate_fast_dce): Same.
3721 * dse.c (gate_dse1): New function.
3722 (gate_dse2): New function.
3723 (gate_dse): Merge results of new gate functions.
3724 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3725 (gate_handle_jump_bypass): Add dbg_cnt.
3726 (gate_handle_gcse): Add dbg_cnt.
3727 * ifcvt.c (gate_handle_if_conversion): Same.
3728 (gate_handle_if_after_combine): Same.
3729 (gate_handle_if_after_reload): Same.
3730 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3732 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
3734 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3736 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3738 2008-02-26 Jason Merrill <jason@redhat.com>
3741 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
3742 alone if it's the naming decl for the type's main variant.
3744 2008-02-26 Tom Tromey <tromey@redhat.com>
3746 * system.h (USE_MAPPED_LOCATION): Poison.
3747 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3748 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3749 (make_goto_expr_edges): Likewise.
3750 (remove_bb): Likewise.
3751 (execute_warn_function_return): Likewise.
3752 * basic-block.h (struct edge_def) <goto_locus>: Change type to
3754 * c-common.c (fname_decl): Remove old location code.
3755 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3757 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3759 (ASM_INPUT_SOURCE_LOCATION): Likewise.
3760 (gen_rtx_ASM_INPUT): Likewise.
3761 (gen_rtx_ASM_INPUT_loc): Likewise.
3762 (get_rtx_asm_OPERANDS): Remove.
3763 * cfglayout.c (insn_locators_alloc): Remove old location code.
3764 (set_curr_insn_source_location): Likewise.
3765 (curr_insn_locator): Likewise.
3766 * print-tree.c (print_node): Remove old location code.
3767 * tree-mudflap.c (mf_varname_tree): Remove old location code.
3768 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3769 * cfgexpand.c (expand_gimple_cond_expr): Don't use
3770 location_from_locus.
3771 (construct_exit_block): Remove old location code.
3772 * emit-rtl.c (force_next_line_note): Remove old location code.
3773 * profile.c (branch_prob): Remove old location code.
3774 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3775 LOC_LINE): Remove old-location variants.
3776 * langhooks.c (lhd_print_error_function): Remove old location
3778 * configure, config.in: Rebuilt.
3779 * configure.ac (--enable-mapped-location): Remove.
3780 * c-decl.c (c_init_decl_processing): Remove old location code.
3781 (finish_function): Likewise.
3782 * recog.c (decode_asm_operands): Remove old location code.
3783 * c-pch.c (c_common_read_pch): Remove old location code.
3784 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3786 * gimple-low.c (lower_function_body): Remove old location code.
3787 * toplev.c (unknown_location): Remove.
3788 (push_srcloc): Remove old-location variant.
3789 (process_options): Remove old location code.
3790 (lang_dependent_init): Likewise.
3791 * input.h (UNKNOWN_LOCATION): Move definition.
3792 (location_t): Undeprecate.
3793 (source_locus): Remove.
3794 (location_from_locus): Remove.
3795 (struct location_s): Remove.
3796 Remove all old-location code.
3797 (input_line, input_filename): Remove.
3798 * final.c (final_scan_insn): Remove old location code.
3799 * diagnostic.c (diagnostic_build_prefix): Remove
3800 USE_MAPPED_LOCATION test.
3801 * tree.h (gimple_stmt) <locus>: Now a location_t.
3802 (tree_exp) <locus>: Likewise.
3803 (DECL_IS_BUILTIN): Remove old-location variant.
3804 (annotate_with_file_line, annotate_with_locus): Likewise.
3805 (expr_locus, set_expr_locus): Update.
3806 * tree.c (build1_stat): Remove old location code.
3807 (last_annotated_node): Remove.
3808 (annotate_with_file_line): Remove old-location variant.
3809 (annotate_with_locus): Likewise.
3810 (expr_location): Remove old location code.
3811 (set_expr_location): Likewise.
3812 (expr_has_location): Likewise.
3813 (expr_locus): Likewise.
3814 (set_expr_locus): Likewise.
3815 (expr_filename): Don't use location_from_locus.
3816 (expr_lineno): Likewise.
3817 * rtl-error.c (location_for_asm): Remove old location code.
3818 * c-lex.c (cb_line_change): Remove old location code.
3819 (fe_file_change): Likewise.
3820 (cb_def_pragma): Likewise.
3821 (c_lex_with_flags): Likewise.
3822 * gengtype.c (do_typedef): Don't special-case location types.
3823 (define_location_structures): Remove.
3824 (main): Don't call define_location_structures.
3825 * tree-pretty-print.c (dump_implicit_edges): Remove old location
3828 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3831 * builtins.def (BUILT_IN_STDARG_START): Remove.
3832 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3833 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3834 * tree-inline.c (inline_forbidden_p_1): Likewise.
3836 2008-02-26 Richard Guenther <rguenther@suse.de>
3838 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3839 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3840 (lookup_decl_from_uid): Declare.
3841 (remove_decl_from_map): Likewise.
3842 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3843 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3844 (decl_for_uid_map): New global hashtable mapping DECL_UID
3846 (init_ttree): Allocate it.
3847 (insert_decl_to_uid_decl_map): New helper function.
3848 (make_node_stat): Insert new decls into the map.
3849 (copy_node_stat): Likewise.
3850 (lookup_decl_from_uid): New function.
3851 (remove_decl_from_map): Likewise.
3852 (print_decl_for_uid_map_statistics): New helper.
3853 (dump_tree_statistics): Call it.
3855 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3856 (referenced_var_iterator): Adjust.
3857 (FOR_EACH_REFERENCED_VAR): Adjust.
3858 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3859 (num_referenced_vars): Adjust.
3860 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3861 (first_referenced_var): Remove.
3862 (end_referenced_vars_p): Likewise.
3863 (next_referenced_var): Likewise.
3864 (referenced_var_iterator_set): New helper function.
3865 * tree-dfa.c (referenced_var_lookup): Adjust.
3866 (referenced_var_check_and_insert): Likewise.
3867 (remove_referenced_var): Likewise.
3868 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3869 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3870 (verify_call_clobbering): Likewise.
3871 (verify_memory_partitions): Likewise.
3872 (init_tree_ssa): Allocate bitmap instead of hashtable for
3874 (delete_tree_ssa): Adjust.
3875 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3876 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3877 (compute_tag_properties): Likewise.
3878 (set_initial_properties): Likewise.
3879 (find_partition_for): Likewise.
3880 (update_reference_counts): Likewise.
3881 (dump_may_aliases_for): Likewise.
3882 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3883 (add_call_clobber_ops): Likewise.
3884 (add_call_read_ops): Likewise.
3885 (get_asm_expr_operands): Likewise.
3886 * tree-into-ssa.c (dump_decl_set): Likewise.
3887 (update_ssa): Likewise.
3888 * tree-sra.c (scan_function): Likewise.
3889 (decide_instantiations): Likewise.
3890 (scalarize_parms): Likewise.
3891 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3892 (dsa_named_for): Likewise.
3893 * tree-ssa-structalias.c (update_alias_info): Likewise.
3894 (merge_smts_into): Likewise.
3896 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3899 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3900 * c-opts.c (c_common_handle_option): Wall enables
3901 Wvolatile-register-var.
3902 * common.opt: Move Wvolatile-register-var to...
3905 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3907 * common.opt (Wlarger-than=): New.
3908 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3910 * opts.c (common_handle_option): Handle -Wlarger-than=.
3911 * optc-gen.awk: Likewise.
3912 * opth-gen.awk: Likewise.
3913 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3914 * tree-optimize.c (tree_rest_of_compilation): Likewise.
3916 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3918 * c-common.c (match_case_to_enum_1): Add appropriate
3919 OPT_W* parameter to warning.
3920 (c_do_switch_warnings): Likewise.
3921 * c-typeck.c (warning_init): Add one more parameter following
3923 (push_init_level): Update call to warning_init.
3924 (pop_init_level): Likewise.
3925 (add_pending_init): Likewise.
3926 (output_init_element: Likewise.
3928 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3931 * toplev.c (toplev_main): If there are warnings or error, print
3932 errors for ignored options.
3933 * opts.c (ignored_options): New static variable.
3934 (postpone_unknown_option_error): New.
3935 (print_ignored_options): New.
3936 (handle_option): Postpone errors for unknown -Wno-* options.
3937 * opts.h (print_ignored_options): Declare.
3939 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
3941 * config/mips/mips.md (loadgp_blockage, blockage): Change type
3944 2008-02-25 Richard Guenther <rguenther@suse.de>
3947 2008-02-25 Richard Guenther <rguenther@suse.de>
3949 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3950 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3951 (lookup_decl_from_uid): Declare.
3952 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3953 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3954 (decl_for_uid_map): New global hashtable mapping DECL_UID
3956 (init_ttree): Allocate it.
3957 (insert_decl_to_uid_decl_map): New helper function.
3958 (make_node_stat): Insert new decls into the map.
3959 (copy_node_stat): Likewise.
3960 (lookup_decl_from_uid): New function.
3961 (print_decl_for_uid_map_statistics): New helper.
3962 (dump_tree_statistics): Call it.
3964 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3965 (referenced_var_iterator): Adjust.
3966 (FOR_EACH_REFERENCED_VAR): Adjust.
3967 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3968 (num_referenced_vars): Adjust.
3969 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3970 (first_referenced_var): Remove.
3971 (end_referenced_vars_p): Likewise.
3972 (next_referenced_var): Likewise.
3973 (referenced_var_iterator_set): New helper function.
3974 * tree-dfa.c (referenced_var_lookup): Adjust.
3975 (referenced_var_check_and_insert): Likewise.
3976 (remove_referenced_var): Likewise.
3977 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3978 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3979 (verify_call_clobbering): Likewise.
3980 (verify_memory_partitions): Likewise.
3981 (init_tree_ssa): Allocate bitmap instead of hashtable for
3983 (delete_tree_ssa): Adjust.
3984 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3985 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3986 (compute_tag_properties): Likewise.
3987 (set_initial_properties): Likewise.
3988 (find_partition_for): Likewise.
3989 (update_reference_counts): Likewise.
3990 (dump_may_aliases_for): Likewise.
3991 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3992 (add_call_clobber_ops): Likewise.
3993 (add_call_read_ops): Likewise.
3994 (get_asm_expr_operands): Likewise.
3995 * tree-into-ssa.c (dump_decl_set): Likewise.
3996 (update_ssa): Likewise.
3997 * tree-sra.c (scan_function): Likewise.
3998 (decide_instantiations): Likewise.
3999 (scalarize_parms): Likewise.
4000 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4001 (dsa_named_for): Likewise.
4002 * tree-ssa-structalias.c (update_alias_info): Likewise.
4003 (merge_smts_into): Likewise.
4005 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4008 * doc/invoke.texi (-fcx-limited-range): Document new option.
4009 * toplev.c (process_options): Handle -fcx-fortran-rules.
4010 * common.opt: Add documentation for -fcx-fortran-rules.
4012 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4015 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
4016 actual behaviour and C99.
4018 2008-02-26 Ben Elliston <bje@au.ibm.com>
4020 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
4021 (ASM_CPU_POWER6_SPEC): Likewise.
4022 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
4023 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
4024 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
4026 2008-02-25 Richard Guenther <rguenther@suse.de>
4028 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4029 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4030 (lookup_decl_from_uid): Declare.
4031 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4032 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4033 (decl_for_uid_map): New global hashtable mapping DECL_UID
4035 (init_ttree): Allocate it.
4036 (insert_decl_to_uid_decl_map): New helper function.
4037 (make_node_stat): Insert new decls into the map.
4038 (copy_node_stat): Likewise.
4039 (lookup_decl_from_uid): New function.
4040 (print_decl_for_uid_map_statistics): New helper.
4041 (dump_tree_statistics): Call it.
4043 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4044 (referenced_var_iterator): Adjust.
4045 (FOR_EACH_REFERENCED_VAR): Adjust.
4046 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4047 (num_referenced_vars): Adjust.
4048 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4049 (first_referenced_var): Remove.
4050 (end_referenced_vars_p): Likewise.
4051 (next_referenced_var): Likewise.
4052 (referenced_var_iterator_set): New helper function.
4053 * tree-dfa.c (referenced_var_lookup): Adjust.
4054 (referenced_var_check_and_insert): Likewise.
4055 (remove_referenced_var): Likewise.
4056 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4057 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4058 (verify_call_clobbering): Likewise.
4059 (verify_memory_partitions): Likewise.
4060 (init_tree_ssa): Allocate bitmap instead of hashtable for
4062 (delete_tree_ssa): Adjust.
4063 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4064 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4065 (compute_tag_properties): Likewise.
4066 (set_initial_properties): Likewise.
4067 (find_partition_for): Likewise.
4068 (update_reference_counts): Likewise.
4069 (dump_may_aliases_for): Likewise.
4070 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4071 (add_call_clobber_ops): Likewise.
4072 (add_call_read_ops): Likewise.
4073 (get_asm_expr_operands): Likewise.
4074 * tree-into-ssa.c (dump_decl_set): Likewise.
4075 (update_ssa): Likewise.
4076 * tree-sra.c (scan_function): Likewise.
4077 (decide_instantiations): Likewise.
4078 (scalarize_parms): Likewise.
4079 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4080 (dsa_named_for): Likewise.
4081 * tree-ssa-structalias.c (update_alias_info): Likewise.
4082 (merge_smts_into): Likewise.
4084 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
4087 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
4088 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
4089 * alias.h (nonoverlapping_memrefs_p): Likewise.
4091 2008-02-25 Jan Beulich <jbeulich@novell.com>
4093 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
4094 * config/i386/netware-libgcc.exp: Add __bswap?i2,
4095 __emultls_get_address, __emultls_register_common,
4096 __floatundi?f, and _Unwind_GetIPInfo.
4097 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
4098 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
4099 (gen_regparm_prefix): Likewise.
4100 (i386_nlm_encode_section_info): Sync with
4101 config/i386/winnt.c:i386_pe_encode_section_info().
4102 (i386_nlm_maybe_mangle_decl_assembler_name): New.
4103 i386_nlm_mangle_decl_assembler_name): New.
4104 (netware_override_options): New.
4105 * config/i386/netware.h (netware_override_options): Declare.
4106 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
4107 (i386_nlm_mangle_decl_assembler_name): Declare.
4108 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
4110 2008-02-25 Ben Elliston <bje@au.ibm.com>
4113 * c-decl.c (grokdeclarator): Remove unused local variables
4114 `typedef_type' and `type_as_written'.
4116 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
4117 unused local variable `has_hot_blocks'.
4118 (fix_crossing_conditional_branches): Remove unused local variable
4121 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
4124 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
4125 using DEF_C99_BUILTIN.
4126 (BUILT_IN_NANF): Ditto.
4127 (BUILT_IN_NANL): Ditto.
4129 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
4130 Revital Eres <eres@il.ibm.com>
4132 * modulo-sched.c (calculate_must_precede_follow): Address TODO
4133 regarding the order of two dependent insns in the same row.
4135 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
4137 * stor-layout.c (layout_decl): Do not bump the alignment of a
4138 bit-field to more than byte alignment if it is packed.
4140 2008-02-24 David Edelsohn <edelsohn@gnu.org>
4142 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
4145 2008-02-24 Diego Novillo <dnovillo@google.com>
4147 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
4150 * tree-vrp.c (vrp_evaluate_conditional): With
4151 -Wtype-limits, emit a warning when comparing against a
4152 constant outside the natural range of OP0's type.
4153 * c.opt (Wtype-limits): Move ...
4154 * common.opt (Wtype-limits): ... here.
4156 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
4158 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
4159 * config/rs6000/e300c2c3.md: New file.
4160 * config/rs6000/rs6000.c (processor_costs): Add new costs for
4162 (rs6000_override_options): Add e300c2 and e300c3 cases to
4163 processor_target_table. Do not allow usage of Altivec or Spe
4164 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
4165 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
4166 * config/rs6000/rs6000.h (processor_type): Add
4167 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
4168 (ASM_CPU_SPEC): Add e300c2 and e300c3.
4169 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
4170 and ppce300c3. Include e300c2c3.md.
4172 2008-02-23 David Edelsohn <edelsohn@gnu.org>
4174 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
4175 instead of TARGET_STRICT_ALIGN.
4177 2008-02-23 Joseph Myers <joseph@codesourcery.com>
4179 * explow.c (memory_address): Assert that the generated address is
4182 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4185 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
4186 * config/darwin-ppc-ldouble-patch.def: New file.
4187 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
4188 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
4189 SUBTARGET_INIT_BUILTINS if defined.
4190 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
4193 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4196 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
4197 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
4199 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4202 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
4203 file" warning condtional on -Winvalid-PCH.
4205 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
4207 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
4209 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
4213 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
4214 prevent reload from using MMX registers.
4215 (*mov<mode>_internal): Ditto.
4216 (*movv2sf_internal_rex64): Ditto.
4217 (*movv2sf_internal): Ditto.
4219 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4221 PR documentation/31569
4222 * doc/install.texi2html: Use makeinfo --no-number-sections.
4224 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4226 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
4227 ensure that we can address an entire entity > 8 bytes. Don't
4228 generate reg+reg addressing for such data.
4230 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4232 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
4233 strings when optimizing for size, unless the target cares about
4236 2008-02-22 Tom Tromey <tromey@redhat.com>
4238 * regclass.c (current_pass): Remove declaration.
4240 2008-02-22 Anatoly Sokolov <aesok@post.ru>
4242 * config/avr/libgcc.S (__RAMPZ__): Define.
4243 (__do_copy_data): Add for devices with 128KB code memory.
4245 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4247 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4249 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
4251 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
4253 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
4256 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4259 * c-typeck.c (build_binary_op): Warn about floating point
4260 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
4262 2008-02-21 Janis Johnson <janis187@us.ibm.com>
4265 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
4266 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
4268 (rs6000_override_options): Set altivec_abi as default, not override,
4269 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
4270 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
4271 is used; use new member spe_abi.
4272 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
4273 spe_abi and altivec_abi.
4275 2008-02-22 Tomas Bily <tbily@suse.cz>
4277 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
4279 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4282 * config.build (build_file_translate): Set to `CMD //c' only if
4284 * Makefile.in (build_file_translate): Improve comment.
4286 2008-02-21 Jan Hubicka <jh@suse.cz>
4288 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
4289 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
4290 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
4292 2008-02-21 Michael Matz <matz@suse.de>
4295 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
4297 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
4299 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
4300 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
4302 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
4303 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
4304 SSE_VEC_FLOAT_MODE_P as insn constraint.
4305 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
4306 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
4307 sse4a_movntdf using MODEF mode iterator.
4308 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
4309 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
4310 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
4311 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
4312 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
4313 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
4314 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
4316 2008-02-21 Richard Guenther <rguenther@suse.de>
4318 * tree.def (PAREN_EXPR): New tree code.
4319 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
4321 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
4322 * expr.c (expand_expr_real_1): Likewise.
4323 * tree-inline.c (estimate_num_insns_1): Likewise.
4324 * tree-complex.c (expand_complex_move): Likewise.
4325 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
4328 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4331 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
4333 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4336 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
4338 * config/sh/sh.c (find_barrier): Don't go past
4339 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
4341 2008-02-20 DJ Delorie <dj@redhat.com>
4343 * config/h8300/h8300.md (insv): Force source operand to be a register.
4345 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
4346 as a jump, not as a plain insn.
4348 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
4350 * doc/invoke.texi (Warning Options): Add new option
4351 -Wframe-larger-than=.
4352 (-Wframe-larger-than): Document.
4354 * flags.h (warn_frame_larger_than, frame_larger_than_size):
4355 Add declarations for new option variables.
4357 * final.c (final_start_function): Check the frame size
4358 before emission and issue a Wframe-larger-than warning.
4360 * opts.c (warn_frame_larger_than, frame_larger_than_size):
4361 Add definitions for new option variables.
4362 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
4364 * common.opt (Wframe-larger-than=): New option.
4366 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4368 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
4369 (<sse>_div<mode>3): Ditto.
4370 (<sse>_vmdiv<mode>3): Ditto.
4371 (<sse>_vmsqrt<mode>2): Ditto.
4372 (*smax<mode>3): Ditto.
4373 (sse5_frcz<mode>2): Ditto.
4374 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
4377 2008-02-20 Richard Guenther <rguenther@suse.de>
4380 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
4381 be happy with INTEGRAL_TYPE_P.
4383 2008-02-20 Richard Guenther <rguenther@suse.de>
4385 * fold-const.c (split_tree): Associate floatig-point expressions
4386 if flag_associative_math is set.
4388 2008-02-20 Richard Guenther <rguenther@suse.de>
4390 * tree.h (fold_real_zero_addition_p): Declare.
4391 * fold-const.c (fold_real_zero_addition_p): Export.
4392 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
4393 floating-point operations with zero and one.
4395 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
4397 * doc/install.texi: Correct references to CFLAGS, replacing them
4398 with BOOT_CFLAGS. Document flags used during bootstrap for
4401 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4403 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
4404 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
4405 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
4407 (smin<mode>3): Ditto from similar patterns.
4408 (smax<mode>3): Ditto.
4409 (*ieee_smin<mode>3): Ditto.
4410 (*ieee_smax<mode>3): Ditto.
4411 * config/i386/sse.md (sse): New mode attribute.
4412 (mov<mode>): Macroize expander from movv4sf and movv2df using
4413 SSEMODEF2P mode iterator.
4414 (<sse>_movnt<mode>): Ditto from similar patterns. Use
4415 SSE_VEC_FLOAT_MODE_P as insn constraint.
4416 (storent<mode>): Ditto.
4417 (storent<mode>): Macroize expander from storentsf and storentdf using
4418 MODEF mode iterator.
4419 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
4420 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
4421 (abs<mode>2): Ditto from similar patterns.
4422 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
4423 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
4424 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
4425 (<sse>_vmsqrt<mode>2): Ditto.
4426 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
4427 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
4428 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
4429 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
4430 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
4431 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
4432 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
4434 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
4435 iterator and SSE_FLOAT_MODE_P as insn constraint.
4436 (<sse>_ucomi): Ditto from similar patterns.
4437 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
4438 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
4439 SSE_VEC_FLOAT_MODE_P as insn constraint.
4440 (vcond<mode>): Ditto from similar patterns.
4441 (and<mode>3, *and<mode>3): Ditto.
4442 (<sse>_nand<mode>3): Ditto.
4443 (ior<mode>3, *ior<mode>3): Ditto.
4444 (xor<mode>3, *xor<mode>3): Ditto.
4445 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
4446 iterator and SSE_FLOAT_MODE_P as insn constraint.
4447 (*nand<mode>3): Ditto from similar patterns.
4448 (*ior<mode>3): Ditto.
4449 (*xor<mode>3): Ditto.
4451 2008-02-20 Ira Rosen <irar@il.ibm.com>
4453 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
4454 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
4455 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
4457 2008-02-19 Jan Hubicka <jh@suse.cz>
4459 * predict.c (tree_bb_level_predictions): Remove variable next
4460 mistakely introduced by previous commit.
4462 2008-02-19 Jan Hubicka <jh@suse.cz>
4464 * predict.c (predict_paths_leading_to): Rewrite.
4465 (predict_paths_for_bb): New.
4466 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
4468 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4471 * Makefile.in (build_file_translate): New.
4472 (gcc-vers.texi): Use it for translating $(abs_srcdir).
4473 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
4474 * configure.ac (build_file_translate): Substitute it.
4475 * configure: Regenerate.
4477 2008-02-19 Jan Hubicka <jh@suse.cz>
4479 PR rtl-optimization/34408
4480 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
4483 2008-02-19 Jan Hubicka <jh@suse.cz>
4486 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
4489 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
4492 * config/i386/i386-modes.def: Revert the last DI alignment
4493 change until Ada people can look into it.
4495 2008-02-19 Nick Clifton <nickc@redhat.com>
4497 * opts.c (print_specific_help): Fix typo in --help text.
4499 2008-02-19 Jakub Jelinek <jakub@redhat.com>
4502 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
4503 32-bit inline asm without asm alternatives for host GCC < 3.0.
4505 2008-02-19 Richard Guenther <rguenther@suse.de>
4507 PR tree-optimization/34989
4508 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
4509 Allow propagation to INDIRECT_REF if we can simplify only.
4511 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4513 * c-common.c (warn_for_collisions_1): Use appropriate option when
4516 2008-02-19 Nick Clifton <nickc@redhat.com>
4519 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
4520 (handle_options): Fix indentation.
4521 (print_filtered_help): If no language-specific options were
4522 displayed tell the user how to list all the options supported by
4523 the language's front-end.
4524 (print_specific_help): Fix indentation and remove duplicate line.
4525 (common_handle_option): Handle the -v option.
4526 For --help enable the display of undocumented options if the -v
4527 switch has been included on the command line.
4528 For --help= check for overlaps in the arguments between the option
4529 classes and the language names and issue a warning when they
4530 cannot be disambiguated.
4531 * c.opt (v): Pass on to the common option handler.
4533 2008-02-19 Revital Eres <eres@il.ibm.com>
4535 * modulo-sched.c (sms_schedule): Change dump message when
4536 create_ddg function fails.
4537 (try_scheduling_node_in_cycle): Rename row to cycle.
4538 (print_partial_schedule): Rename CYCLE to ROW.
4540 2008-02-19 Christian Bruel <christian.bruel@st.com>
4541 Zdenek Dvorak <ook@ucw.cz>
4543 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
4545 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
4548 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
4549 (*x86_movdicc_0_m1_se): Ditto.
4551 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
4553 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
4554 (CMPtype): Define as __gcc_CMPtype.
4555 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
4556 (CMPtype): Define as __gcc_CMPtype.
4558 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
4560 Support valgrind 3.3 for --enable-checking=valgrind.
4561 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
4563 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
4564 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
4565 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
4566 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
4567 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
4568 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
4569 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
4571 * ggc-zone.c: Similar.
4572 * ggc-page.c: Similar.
4574 2008-02-19 Paul Brook <paul@codesourcery.com>
4577 * config/arm/ieee754-df.S: Fix do_it typo.
4578 * config/arm/ieee754-sf.S: Fix do_it typo.
4580 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
4583 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
4584 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
4585 (OPTION_MASK_ISA_SSE_SET): Likewise.
4586 (OPTION_MASK_ISA_SSE2_SET): Likewise.
4587 (OPTION_MASK_ISA_SSE3_SET): Likewise.
4588 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
4589 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
4590 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
4591 (OPTION_MASK_ISA_SSE4_SET): Likewise.
4592 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
4593 (OPTION_MASK_ISA_SSE5_SET): Likewise.
4594 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
4595 (OPTION_MASK_ISA_MMX_UNSET): Updated.
4596 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
4597 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
4598 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
4599 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
4600 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
4601 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
4602 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
4603 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
4604 (OPTION_MASK_ISA_SSE4): Removed.
4605 (ix86_handle_option): Turn on bits in ix86_isa_flags and
4606 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
4607 (override_options): Don't turn on implied SSE/MMX bits in
4610 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
4612 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4615 2008-02-18 Joey Ye <joey.ye@intel.com>
4618 * tree-nested.c (insert_field_into_struct): Set type alignment
4619 to field alignment if the former is less than the latter.
4621 2008-02-18 Jakub Jelinek <jakub@redhat.com>
4623 * BASE-VER: Set to 4.4.0.
4625 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4627 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
4628 * doc/cfg.texi: Likewise.
4629 * doc/extend.texi: Likewise.
4630 * doc/gty.texi: Likewise.
4631 * doc/invoke.texi: Likewise.
4632 * doc/loop.texi: Likewise.
4633 * doc/md.texi: Likewise.
4634 * doc/passes.texi: Likewise.
4635 * doc/rtl.texi: Likewise.
4636 * doc/sourcebuild.texi: Likewise.
4637 * doc/tm.texi: Likewise.
4638 * doc/tree-ssa.texi: Likewise.
4640 2008-02-17 Richard Guenther <rguenther@suse.de>
4643 * tree-complex.c (init_parameter_lattice_values): Handle parameters
4644 without default definition.
4646 2008-02-17 Richard Guenther <rguenther@suse.de>
4648 PR tree-optimization/35231
4649 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
4652 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
4655 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4656 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4657 libgcc_cmp_return mode.
4659 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4662 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
4664 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
4666 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
4669 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4671 * doc/c-tree.texi: Use `@.' where appropriate.
4672 * doc/extend.texi: Likewise.
4673 * doc/install.texi: Likewise.
4674 * doc/invoke.texi: Likewise.
4675 * doc/loop.texi: Likewise.
4676 * doc/makefile.texi: Likewise.
4677 * doc/md.texi: Likewise.
4678 * doc/passes.texi: Likewise.
4679 * doc/standards.texi: Likewise.
4680 * doc/tm.texi: Likewise.
4682 2008-02-15 Jakub Jelinek <jakub@redhat.com>
4685 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
4687 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
4688 rather than in entry_bb.
4690 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4692 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4693 libgcc_cmp_return mode.
4695 2008-02-15 Jakub Jelinek <jakub@redhat.com>
4698 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
4699 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
4701 2008-02-15 Richard Guenther <rguenther@suse.de>
4702 Zdenek Dvorak <ook@ucw.cz>
4704 PR tree-optimization/35164
4705 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
4706 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
4707 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4708 Only propagate addresses which do not have abnormal SSA_NAMEs
4711 2008-02-15 Joseph Myers <joseph@codesourcery.com>
4714 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
4716 2008-02-15 Jan Hubicka <jh@suse.cz>
4719 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
4721 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4724 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
4725 when calculating alignment_pad.
4727 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4729 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
4730 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
4731 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
4732 and STACK_BOUNDARY define.
4734 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
4736 PR preprocessor/35061
4737 * c-pragma.c (handle_pragma_pop_macro): Check that
4738 pushed_macro_table has been allocated.
4740 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
4743 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
4744 (force_gimple_operand): Likewise.
4745 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
4746 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
4747 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
4748 (find_interesting_uses_address): Check addressability and alignment
4749 of the base expression only after substituting bases of IVs into it.
4751 2008-02-14 Michael Matz <matz@suse.de>
4754 * function.c (instantiate_virtual_regs_in_insn): Reload address
4755 before falling back to reloading the whole operand.
4757 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
4759 * config/s390/s390.c (s390_mainpool_start): Emit the pool
4760 before the first section switch note.
4762 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4764 * doc/bugreport.texi: Update copyright years.
4765 * doc/c-tree.texi: Likewise.
4766 * doc/cfg.texi: Likewise.
4767 * doc/cpp.texi: Likewise.
4768 * doc/cppinternals.texi: Likewise.
4769 * doc/fragments.texi: Likewise.
4770 * doc/frontends.texi: Likewise.
4771 * doc/gcc.texi: Likewise.
4772 * doc/gty.texi: Likewise.
4773 * doc/hostconfig.texi: Likewise.
4774 * doc/implement-c.texi: Likewise.
4775 * doc/libgcc.texi: Likewise.
4776 * doc/loop.texi: Likewise.
4777 * doc/makefile.texi: Likewise.
4778 * doc/options.texi: Likewise.
4779 * doc/passes.texi: Likewise.
4780 * doc/rtl.texi: Likewise.
4781 * doc/sourcebuild.texi: Likewise.
4782 * doc/standards.texi: Likewise.
4783 * doc/tree-ssa.texi: Likewise.
4784 * doc/trouble.texi: Likewise.
4786 * doc/extend.texi: Use @: or add comma where appropriate.
4787 * doc/invoke.texi: Likewise.
4788 * doc/tm.texi: Likewise.
4790 2008-02-14 Alan Modra <amodra@bigpond.net.au>
4793 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
4796 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
4798 * doc/md.texi (clz, ctz): Add reference.
4799 * doc/rtl.texi (clz, ctz): Likewise.
4801 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4804 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
4807 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
4809 * config/s390/s390.c (struct constant_pool): New field
4810 emit_pool_after added.
4811 (s390_mainpool_start): Set the emit_pool_after flag according
4812 to the section switch notes.
4813 (s390_mainpool_finish): Consider emit_pool_after when emitting
4814 the literal pool at the end of the function.
4815 (s390_chunkify_start): Force literal pool splits at section
4818 2008-02-13 Michael Matz <matz@suse.de>
4821 * var-tracking.c (clobber_variable_part): Correctly traverse the
4824 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4827 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
4828 Add -fdump-ipa-inline.
4829 * tree-dump.c (dump_files): Remove tree-inlined dump.
4830 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
4832 2008-02-12 Richard Guenther <rguenther@suse.de>
4834 PR tree-optimization/35171
4835 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
4838 2008-02-12 Richard Guenther <rguenther@suse.de>
4841 * fold-const.c (fold_widened_comparison): Use get_unwidened in
4842 value-preserving mode. Disallow final truncation.
4844 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
4847 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
4848 code from here to...
4849 (force_gimple_operand): ...here.
4851 2008-02-12 Jakub Jelinek <jakub@redhat.com>
4854 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
4855 non-compatible pointers.
4856 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
4857 different FIELD_DECLs, try harder by comparing field offsets, sizes
4861 * function.c (match_asm_constraints_1): Don't replace the same input
4864 2008-02-12 Anatoly Sokolov <aesok@post.ru>
4866 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
4867 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
4868 (expand_epilogue): Restore RAMPZ register.
4869 * config/avr/avr.md (RAMPZ_ADDR): New constant.
4871 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
4873 * config/i386/cygwin.asm: (__alloca): Correct calling
4874 convention and alignment.
4875 (__chkstk): Force 8 byte stack alignment.
4877 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
4878 Richard Guenther <rguenther@suse.de>
4880 PR tree-optimization/33992
4881 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
4882 the zero we compare against.
4884 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
4887 * gthr-win32.h (__gthread_mutex_destroy_function): New function
4888 to CloseHandle after unlocking to prevent accumulation of handle
4891 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4894 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
4895 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
4896 and update LABEL_NUSES during and after reload.
4898 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
4901 * combine.c (simplify_if_then_else): Make sure the comparison is
4902 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
4904 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
4907 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
4908 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
4909 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
4910 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
4911 * tree.h (get_type_static_bounds): Likewise.
4913 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4915 * doc/invoke.texi (Option Summary, C++ Dialect Options)
4916 (Objective-C and Objective-C++ Dialect Options, Warning Options):
4917 Make -Wfoo language annotations match what the compiler outputs.
4919 2008-02-08 Sa Liu <saliu@de.ibm.com>
4921 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
4922 intrinsics spu_convts, spu_convtu, spu_convtf.
4923 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
4925 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
4927 * doc/extend.texi (Function Attributes) <noinline>: Mention
4928 asm ("") as method to keep calls.
4930 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4933 * doc/options.texi (Options): Replace references to opts.sh with
4935 * opts-common.c: Likewise.
4936 * optc-gen.awk: Likewise.
4938 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
4940 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
4942 2008-02-07 Richard Henderson <rth@redhat.com>
4945 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
4946 EXPR_LIST for the REG_EQUAL instead of a comparison with a
4949 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
4951 PR tree-optimization/35085
4952 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
4953 for operand entry oe2 in addition to operand entry oe3 in order to
4954 expose more opportunities for vectorizer sum reduction.
4956 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4959 * Makefile.in (LIBS): Remove $(GMPLIBS).
4960 (cc1-dummy, cc1): Add $(GMPLIBS).
4962 2008-02-06 Jan Hubicka <jh@suse.cz>
4965 * i386.md (moddf_integer): Do not produce partial memory stalls for
4966 targets where it hurts.
4968 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
4971 * optabs.c (expand_float): Do not check for decimal modes when
4972 expanding unsigned integer through signed conversion.
4974 2008-02-06 Nick Clifton <nickc@redhat.com>
4976 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
4977 inside the clobber with a match_operand and duplicated operand
4978 number in the constraint.
4979 (ineqbranchsi): Delete redundant comment.
4981 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
4983 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
4984 builtin_define ("__USE_INIT_FINI__").
4985 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
4987 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
4989 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4991 PR documentation/30330
4992 * doc/invoke.texi (C++ Dialect Options)
4993 (Objective-C and Objective-C++ Dialect Options, Warning Options):
4994 For each warning option -Wfoo that allows -Wno-foo, ensure both
4995 -Wfoo and -Wno-foo are listed in the option index. Fix index
4996 entry of -Wswitch-default, index -Wnormalized= including the
4997 `=', and -Wlarger-than-@var{len} including @var{len}.
4999 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5001 * config/i386/i386.md (floatunssisf2): Use
5002 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
5003 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
5004 Macroize expander using MODEF mode iterator.
5006 2008-02-05 Diego Novillo <dnovillo@google.com>
5008 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
5011 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
5013 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5016 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
5018 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
5021 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
5022 to indicate if a message should be generated.
5023 (init_cumulative_args): Updated.
5024 (function_value_32): Likewise.
5026 2008-02-05 Joseph Myers <joseph@codesourcery.com>
5028 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
5030 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5033 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
5034 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
5036 2008-02-04 Diego Novillo <dnovillo@google.com>
5038 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
5041 * tree-vrp.c (vrp_evaluate_conditional): With
5042 -Wtype-limits, emit a warning when comparing against a
5043 constant outside the natural range of OP0's type.
5045 2008-02-04 Richard Guenther <rguenther@suse.de>
5048 * expr.c (count_type_elements): Give for unions instead of
5051 2008-02-04 Richard Guenther <rguenther@suse.de>
5054 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
5055 to TYPE_DOMAINs base type instead of using bitsizetype here.
5057 2008-02-03 Jason Merrill <jason@redhat.com>
5059 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
5061 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5064 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
5065 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
5066 (RS/6000 and PowerPC Options): Fix typos and markup.
5067 * doc/passes.texi (Tree-SSA passes): Likewise.
5069 2008-02-02 Michael Matz <matz@suse.de>
5072 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
5073 from record_last_reg_set_info.
5074 (record_last_reg_set_info): Take an RTX argument, iterate over all
5075 constituent hardregs.
5076 (record_last_set_info, record_opr_changes): Change calls to
5077 new signature or to record_last_reg_set_info_regno.
5079 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
5081 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
5083 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
5085 PR rtl-optimization/34773
5086 * reg-notes.def (EQUAL): Mention significance of combination of
5087 REG_EQUAL and REG_RETVAL.
5088 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
5089 insn that has a REG_RETVAL.
5091 2008-02-01 Roger Sayle <roger@eyesopen.com>
5094 * configure.ac (--enable-fixed-point): Disable unless explicitly
5096 * configure: Regenerate.
5098 2008-02-01 Richard Guenther <rguenther@suse.de>
5101 * invoke.texi (-finline-limit): Remove no longer true parts
5102 of the documentation. Note that there is no default value.
5104 2008-02-01 Andrew Pinski <pinskia@gmail.com>
5105 Mark Mitchell <mark@codesourcery.com>
5106 Ben Elliston <bje@au.ibm.com>
5109 * doc/extend.texi (Other Builtins): Document.
5111 2008-01-31 Tom Browder <tom.browder@gmail.com>
5113 * doc/c-tree.texi (Types): Fix grammar.
5114 (Expression trees): Ditto.
5115 * doc/passes.texi (Tree-SSA passes): Ditto.
5117 * doc/configterms.texi (Configure Terms): Fix typo.
5118 * doc/cpp.texi (Common Predefined Macros): Ditto.
5119 * doc/md.texi (Machine Constraints): Ditto.
5121 * doc/makefile.texi (Makefile): Add comma.
5123 2008-01-31 Tom Browder <tom.browder@gmail.com>
5124 Gerald Pfeifer <gerald@pfeifer.com>
5126 * doc/sourcebuild.texi (Front End): Remove references to CVS
5127 and CVSROOT/modules.
5128 (Texinfo Manuals): Replace reference to CVS by one to SVN.
5129 (Back End): Remove reference to CVS.
5131 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5134 * config/mips/mips.c (gen_load_const_gp): New function, taking a
5136 (mips16_gp_pseudo_reg): ...here.
5137 * config/mips/mips.md (load_const_gp): Replace with...
5138 (load_const_gp_<mode>): ...this :P-based insn.
5140 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5142 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
5143 options. Minor fixes.
5144 (-std): Move reference to standards closer to where language
5145 standards are first mentioned.
5147 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5149 PR rtl-optimization/34995
5150 * reload.c (alternative_allows_const_pool_ref): Take an rtx
5151 parameter and return a bool. If the rtx parameter is nonnull,
5152 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
5153 (find_reloads): Update call accordingly. Pass the new operand
5154 if it needed no address reloads, otherwise pass null.
5156 2008-01-30 Richard Henderson <rth@redhat.com>
5159 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
5160 for unbounded arrays.
5162 2008-01-30 Silvius Rus <rus@google.com>
5164 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
5166 2008-01-30 Jan Hubicka <jh@suse.cz>
5169 * i386.c (init_cumulative_args): Use real function declaration when
5172 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
5174 PR rtl-optimization/34998
5175 * global.c (build_insn_chain): Treat non-subreg_lowpart
5176 SUBREGs of pseudos as clobbering all the words covered by the
5177 SUBREG, not just all the bytes.
5178 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
5179 original df_ref rather than an extract parameter.
5180 (global_conflicts): Update call accordingly.
5182 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
5184 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
5185 the overflow check to make it easier to read.
5186 (__fixtfdi): Change the type of the ll member in union
5187 long_double to UDItype_x.
5189 2008-01-30 Jakub Jelinek <jakub@redhat.com>
5192 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
5193 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
5194 * tree-inline.c (fold_marked_statements): Call
5195 cgraph_update_edges_for_call_stmt if folding a call statement.
5196 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
5197 debug_generic_stmt calls, reset it back afterwards.
5200 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
5202 * c-typeck.c (build_external_ref): Don't pedwarn about
5203 static vars in current function's scope.
5205 2008-01-29 Joseph Myers <joseph@codesourcery.com>
5207 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
5209 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
5212 * ipa-struct-reorg.c: Fix spelling.
5213 * params.def: Ditto.
5215 2008-01-29 Richard Guenther <rguenther@suse.de>
5218 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
5220 * tree-inline.c (remap_type): Increment remapping_type_depth
5221 around remapping types.
5222 (copy_body_r): Only add referenced variables if they are referenced
5223 from code, not types.
5225 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
5236 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
5237 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
5239 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
5242 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
5243 pointer for tiny stack.
5245 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5247 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
5249 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5251 * config/vx-common.h: Fix typo in comment.
5253 2008-01-28 Ian Lance Taylor <iant@google.com>
5257 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
5258 coalesce pointers if they have different DECL_NO_TBAA_P values.
5259 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
5260 between variables with different DECL_NO_TBAA_P values.
5262 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
5265 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
5266 are not legitimate small data references on SPE targets.
5268 2008-01-28 David Daney <ddaney@avtrex.com>
5270 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
5272 2008-01-28 David Daney <ddaney@avtrex.com>
5274 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
5276 2008-01-27 Joseph Myers <joseph@codesourcery.com>
5278 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
5279 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
5280 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
5281 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
5282 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
5283 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
5284 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
5285 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
5287 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5289 * basic-block.h (condjump_equiv_p): Fix comment.
5291 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5293 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
5294 print_generic_stmt_indented): Fix comment.
5296 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5298 * configure.ac (__stack_chk_fail): Add detecion for availability
5299 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
5300 * configure: Regenerate.
5302 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
5305 * final.c (output_addr_const): Handle TRUNCATE.
5307 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
5310 * tree-ssa-loop-ivopts.c (comp_cost): New type.
5311 (zero_cost, infinite_cost): New constants.
5312 (struct cost_pair): Change type of cost to comp_cost.
5313 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
5314 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
5316 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
5317 split_address_cost, ptr_difference_cost, difference_cost,
5318 get_computation_cost_at, get_computation_cost,
5319 determine_use_iv_cost_generic, determine_use_iv_cost_address,
5320 determine_use_iv_cost_condition, determine_use_iv_costs,
5321 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
5322 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
5323 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
5324 Change type of cost to comp_cost.
5325 (determine_iv_cost): Increase cost of non-original ivs, instead
5326 of decreasing the cost of original ones.
5327 (get_address_cost): Indicate the complexity of the addressing mode
5329 (try_add_cand_for): Prefer using ivs not specific to some object.
5330 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
5332 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
5333 Janis Johnson <janis187@us.ibm.com>
5336 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
5337 (TARGET_INSTANTIATE_DECLS): Likewise.
5338 * target.h (expand_to_rtl_hook): New target hook.
5339 (instantiate_decls): Likewise.
5340 * function.c (instantiate_decl): Make non-static. Rename to...
5341 (instantiate_decl_rtl): ... this.
5342 (instantiate_expr): Use instantiate_decl_rtl.
5343 (instantiate_decls_1): Likewise.
5344 (instantiate_decls): Likewise.
5345 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
5346 * function.h (instantiate_decl_rtl): Add prototype.
5347 * cfgexpand.c (target.h): New include.
5348 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
5349 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
5350 (TARGET_INSTANTIATE_DECLS): Likewise.
5351 (TARGET_INITIALIZER): New target hooks added.
5352 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
5354 * config/rs6000/rs6000.c (tree-flow.h): New include.
5355 (machine_function): Add sdmode_stack_slot field.
5356 (rs6000_alloc_sdmode_stack_slot): New function.
5357 (rs6000_instantiate_decls): Likewise.
5358 (rs6000_secondary_memory_needed_rtx): Likewise.
5359 (rs6000_check_sdmode): Likewise.
5360 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
5361 (TARGET_INSTANTIATE_DECLS): Likewise.
5362 (rs6000_hard_regno_mode_ok): Allow SDmode.
5363 (num_insns_constant): Likewise. Handle _Decimal32 constants.
5364 (rs6000_emit_move): Handle SDmode.
5365 (function_arg_advance): Likewise.
5366 (function_arg): Likewise.
5367 (rs6000_gimplify_va_arg): Likewise. Add special handling of
5368 SDmode var args for 32-bit compiles.
5369 (rs6000_secondary_reload_class): Handle SDmode.
5370 (rs6000_output_function_epilogue): Likewise.
5371 (rs6000_function_value): Simplify if statement.
5372 (rs6000_libcall_value): Likewise.
5373 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
5374 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
5375 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
5376 (movsd_hardfloat): New define_insn.
5377 (movsd_softfloat): Likewise.
5378 (movsd_store): Likewise.
5379 (movsd_load): Likewise.
5380 (extendsddd2): Likewise.
5381 (extendsdtd2): Likewise.
5382 (truncddsd2): Likewise.
5383 (movdd_hardfloat64): Fixup comment.
5384 (UNSPEC_MOVSD_LOAD): New constant.
5385 (UNSPEC_MOVSD_STORE): Likewise.
5387 2008-01-26 Jakub Jelinek <jakub@redhat.com>
5390 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
5392 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
5393 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
5394 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
5397 2008-01-26 David Edelsohn <edelsohn@gnu.org>
5400 * config.gcc: Separate AIX 5.3 from AIX 6.1.
5401 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5402 __LONGDOUBLE128 too.
5403 * config/rs6000/aix61.h: New file.
5405 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5407 PR rtl-optimization/34959
5408 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
5409 popcount and parity rtxes the same mode as their operand.
5410 Truncate or extend the result to the return value's mode
5413 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5416 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
5417 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
5418 to GOT_VERSION_REGNUM.
5419 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
5420 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
5421 * config/mips/mips.c (mips_emit_call_insn): New function.
5422 (mips_call_tls_get_addr): Call mips_expand_call directly.
5423 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
5425 (mips16_build_call_stub): Likewise. Return the call insn or null.
5426 (mips_expand_call): Update the call to mips16_build_call_stub
5427 accordingly and a remove redundant condition. Assert that MIPS16
5428 stubs do not use lazy binding. Use mips_emit_call_insn and return
5430 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
5432 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
5433 (mips_avoid_hazard): Remove hazard_set handling.
5434 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
5435 (UNSPEC_RESTORE_GP): ...this.
5436 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
5437 (FAKE_CALL_REGNO): Rename to...
5438 (GOT_VERSION_REGNUM): ...this.
5439 (type): Add "ghost" value. Add an associated insn reservation.
5440 (hazard_set): Remove.
5441 (exception_receiver): Rename to...
5442 (restore_gp): ...this and update the unspec identifier accordingly.
5443 (exception_receiver, nonlocal_got_receiver): New expanders.
5444 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
5445 FAKE_CALL_REGNO. Remove hazard_set attribute.
5446 (set_got_version, update_got_version): New patterns.
5448 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
5451 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
5453 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5456 * doc/install.texi2html: Generate gcc-vers.texi.
5458 2008-01-25 DJ Delorie <dj@redhat.com>
5460 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
5462 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5464 * config/c4x: Remove directory.
5465 * config.gcc (crx-*, mt-*): Mark obsolete.
5466 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
5467 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
5468 sh-*-rtemscoff*): Remove cases.
5469 * defaults.h (C4X_FLOAT_FORMAT): Remove.
5470 * real.c (encode_c4x_single, decode_c4x_single,
5471 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
5472 c4x_extended_format): Remove.
5473 * real.h (c4x_single_format, c4x_extended_format): Remove.
5474 * doc/extend.texi (interrupt, naked): Remove mention of attributes
5476 (Pragmas): Remove comment about c4x pragmas.
5477 * doc/install.texi (c4x): Remove target-specific instructions.
5478 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
5479 * doc/md.texi (Machine Constraints): Remove C4x documentation.
5480 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
5481 refer to C4x source files as examples.
5482 (C4X_FLOAT_FORMAT): Remove documentation.
5484 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
5486 * config/bfin/bfin.c (override_options): Reorder tests so that
5487 flag_pic gets enabled for -msep-data.
5489 2008-01-25 Richard Guenther <rguenther@suse.de>
5492 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
5493 to its bitfield precision if required.
5495 2008-01-25 Jakub Jelinek <jakub@redhat.com>
5498 * tree-nested.c (walk_omp_for): New function.
5499 (convert_nonlocal_reference, convert_local_reference): Call
5500 walk_omp_for on OMP_FOR.
5501 (convert_call_expr): Call walk_body on OMP_FOR's
5502 OMP_FOR_PRE_INIT_BODY.
5504 2008-01-25 Richard Guenther <rguenther@suse.de>
5506 PR tree-optimization/34966
5507 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
5508 default defs and PHI_NODEs we have to insert after the
5511 2008-01-24 Nick Clifton <nickc@redhat.com>
5513 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
5514 Provide a default definition.
5515 (LIBGCC2_UNITS_PER_WORD): Likewise.
5517 * config/stormy16/stormy16.c: Include df.h for the prototype
5518 for df_regs_ever_live_p.
5519 (xstormy16_expand_builtin_va_start): Convert the stack offset
5520 into a component_ref and then use POINTER_PLUS_EXPR to add it
5521 to the incoming_virtual_args_rtx.
5522 (xstormy16_gimplify_va_arg_expr): Rename to
5523 xstormy16_gimplify_va_arg_expr.
5524 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
5525 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
5526 xstormy16_gimplify_va_arg_expr.
5527 Fix up some formatting issues.
5529 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
5530 Move to predicates.md.
5531 (xs_hi_general_operand): Likewise.
5532 (xs_hi_nonmemory_operand): Likewise.
5533 * config/stormy16/predicates.md:
5534 (xstormy16_carry_plus_operand): New predicate.
5535 (xs_hi_general_operand): New predicate.
5536 (xs_hi_nonmemory_operand): New predicate.
5537 * config/stormy16/stormy16-protos.h:
5538 (xstormy16_carry_plus_operand): Delete prototype.
5539 (xs_hi_general_operand): Likewise.
5540 (xs_hi_nonmemory_operand): Likewise.
5542 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
5543 modifiers as they are no longer needed and they can trigger
5544 reload spill failures.
5546 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
5547 with a match_operand in order to help reload.
5549 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
5550 constraint with 'e' for the 8th alternative as this version of
5551 the mov.w instruction only accepts the lower 8 registers.
5553 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
5556 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
5557 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
5560 2008-01-25 Jakub Jelinek <jakub@redhat.com>
5563 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
5565 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
5567 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
5569 (remove_structure): Update allocations list before removing structure.
5571 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
5573 * ipa-struct-reorg.c (is_safe_cond_expr,
5574 create_new_stmts_for_cond_expr): Use integer_zerop function,
5575 that recognize not only zero-pointer, but zero-integer too.
5577 2008-01-25 Ben Elliston <bje@au.ibm.com>
5580 * fixproto: Escape "." in sed expression that strips leading "./".
5582 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
5585 * gcc.c (SWITCH_OK): Removed.
5586 (SWITCH_LIVE): Changed to bit.
5587 (SWITCH_FALSE): Likewise.
5588 (SWITCH_IGNORE): Likewise.
5589 (switchstr): Change live_cond to unsigned int.
5590 (process_command): Replace SWITCH_OK with 0.
5591 (do_self_spec): Likewise.
5592 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
5593 (give_switch): Likewise.
5594 (used_arg): Likewise.
5595 (do_spec_1): Set the SWITCH_IGNORE bit.
5596 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
5597 bits. Set the SWITCH_LIVE bit.
5599 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
5601 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
5603 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
5605 PR tree-optimization/34472
5606 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
5607 parameter to a "bool *" and set *DATA to false if there is
5608 an unsafe access. Do not delete the structure here.
5609 (check_cond_exprs): Delete it here instead.
5610 (check_cond_exprs, exclude_cold_structs): Do not increase
5611 I when removing a structure.
5613 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
5616 * config/i386/i386.c (ix86_expand_vector_init): Consider only
5617 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
5619 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
5622 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
5623 a fixed vector for stack.
5625 2008-01-24 Ben Elliston <bje@au.ibm.com>
5628 * doc/gcc.texi (Software development): Add a direntry for g++.
5630 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
5632 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
5633 stale and straggling -fforce-addr comments above.
5635 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
5637 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
5638 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
5640 2008-01-23 Michael Matz <matz@suse.de>
5643 * dwarf2out.c (force_type_die): Use modified_type_die instead of
5646 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
5648 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
5651 2008-01-23 Anatoly Sokolov <aesok@post.ru>
5653 * config/avr/avr.c (avr_current_arch): New variable.
5654 (avr_arch_types): Add 'avr31' and 'avr51' entries.
5655 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
5656 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
5657 (avr_override_options): Init 'avr_current_arch'.
5658 (base_arch_s): Move from here...
5659 * config/avr/avr.h (base_arch_s): ... here. Add new members
5660 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
5661 'mega' to 'have_jmp_call'.
5662 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
5663 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
5665 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
5667 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
5668 MULTILIB_MATCHES): (Ditto.).
5670 2008-01-23 Richard Guenther <rguenther@suse.de>
5673 * cgraphunit.c (cgraph_reset_node): Always mark the node
5674 not reachable if it is not queued already.
5676 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
5678 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
5679 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
5680 (cputype_selected): New static variable.
5681 (bfin_handle_option): Set it if -mcpu is used.
5682 (override_option): Select default set of workarounds if no cpu type
5683 selected on the command line.
5684 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
5686 From Michael Frysinger <michael.frysinger@analog.com>
5687 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
5688 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
5690 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
5691 for bf547, bf523, bf524, and bf526.
5692 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
5694 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5695 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
5696 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
5697 __ADSPBF547__ and __ADSPBF54x__ for bf547.
5698 * doc/invoke.texi (Blackfin Options): Document that
5699 -mcpu now accept bf547, bf523, bf524, and bf526.
5701 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
5703 PR rtl-optimization/34628
5704 * combine.c (try_combine): Stop and undo after the first combination
5705 if an autoincrement side-effect on the first insn has effectively
5708 2008-01-22 David Edelsohn <edelsohn@gnu.org>
5711 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
5712 Offset addresses are not valid for Altivec or paired float modes.
5714 2008-01-22 Jakub Jelinek <jakub@redhat.com>
5717 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
5718 if DECL_INITIAL (decl) is error_mark_node.
5721 * c-common.c (handle_vector_size_attribute): Only allow
5722 integral, scalar float and fixed point types. Handle OFFSET_TYPE
5723 the same way as pointer, array etc. types.
5724 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
5727 * tree.c (build_type_attribute_qual_variant): Call
5728 build_qualified_type if attributes are equal, but quals are not.
5730 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5733 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
5734 * flags.h (warn_strict_aliasing): Remove.
5735 (warn_strict_overflow): Remove.
5736 * opts.c (warn_strict_aliasing): Remove.
5737 (warn_strict_overflow): Remove.
5738 * c-opts.c (c_common_handle_option): -Wall only sets
5739 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
5740 (c_common_post_options): Give default values to -Wstrict-aliasing
5741 and -Wstrict-overflow if they are uninitialized.
5742 * common.opt (Wstrict-aliasing): Specify Var and Init.
5743 (Wstrict-overflow): Likewise.
5745 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5747 PR rtl-optimization/26854
5748 PR rtl-optimization/34400
5749 PR rtl-optimization/34884
5750 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
5752 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
5753 (df_rd_bb_info.expanded_lr_out): Deleted
5754 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
5755 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
5756 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5757 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5758 Removed code to allocate, initialize or free expanded_lr_out.
5759 (df_rd_bb_local_compute_process_def): Restructured to make more
5761 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
5762 sets if the sets are being trimmed.
5764 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
5767 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
5768 (as_vers): Likewise.
5769 * configure: Regenerated.
5771 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5774 * tree-pass.h (pass_build_alias): New pass.
5775 * tree-ssa-alias.c (gate_build_alias): New.
5776 (pass_build_alias): New.
5777 * passes.c (init_optimization_passes): Add pass_build_alias after
5778 pass_create_structure_vars.
5780 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
5782 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
5783 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
5784 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
5785 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
5786 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
5787 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
5788 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
5789 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
5790 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
5791 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
5792 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
5793 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
5794 * config/s390/s390.md (FP_ALL): New mode iterator.
5795 (_d): New mode attribute.
5796 ("*signbit<mode>2>"): Changed mode of first operand.
5797 ("isinf<mode>2"): Changed mode of first operand.
5798 ("*TDC_insn"): Adaptation for DFP modes.
5800 2008-01-22 Ben Elliston <bje@au.ibm.com>
5802 * tree.c (check_qualified_type): Improve function description.
5804 2008-01-21 Jason Merrill <jason@redhat.com>
5807 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
5808 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
5811 2008-01-21 DJ Delorie <dj@redhat.com>
5813 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
5816 2008-01-21 Richard Guenther <rguenther@suse.de>
5819 * tree-cfg.c (verify_expr): Allow all invariant expressions
5820 instead of just constant class ones as reference argument.
5821 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
5822 like any other constant.
5823 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
5825 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
5827 * regmove.c (fixup_match_1): Update call crossed frequencies.
5829 2008-01-21 Richard Guenther <rguenther@suse.de>
5832 * tree-inline.c (setup_one_parameter): Deal with mismatched
5833 types using a VIEW_CONVERT_EXPR.
5835 2008-01-21 Alon Dayan <alond@il.ibm.com>
5836 Olga Golovanevsky <olga@il.ibm.com>
5838 PR tree-optimization/34701
5839 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
5840 when the structure size is not a power of 2.
5842 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
5844 * doc/install.texi: Add doc for --enable-checking=df.
5846 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
5848 PR rtl-optimization/34808
5849 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
5851 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
5853 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
5856 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5858 PR rtl-optimization/26854
5859 PR rtl-optimization/34400
5860 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
5862 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
5863 (df_rd_bb_info.expanded_lr_out): New.
5864 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
5865 * loop_iv.c (iv_analysis_loop_init): Ditto.
5866 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5867 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5868 Added code to allocate, initialize or free expanded_lr_out.
5869 (df_rd_bb_local_compute_process_def): Restructured to make
5870 more understandable.
5871 (df_rd_confluence_n): Add code to do nothing with fake edges and
5872 code to no apply invalidate_by_call sets if the sets are being trimmed.
5873 (df_lr_local_finalize): Renamed to df_lr_finalize.
5874 (df_live_local_finalize): Renamed to df_live_finalize.
5876 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
5879 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
5880 deciding whether to use reciprocal instructions.
5882 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
5884 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
5885 dwarf2out_note_section_used if cold_text_section is NULL.
5887 2008-01-19 Jakub Jelinek <jakub@redhat.com>
5889 PR gcov-profile/34610
5890 * tree-cfg.c (make_edges): Mark both outgoing edges from
5891 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
5892 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
5893 from OMP_FOR and OMP_CONTINUE outgoing edges.
5895 * tree-profile.c (tree_profiling): Return early if
5896 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
5898 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
5899 from cfun to child_cfun.
5900 * function.h (struct function): Add after_tree_profile bit.
5902 2008-01-19 Anatoly Sokolov <aesok@post.ru>
5904 * config/avr/avr.S (_exit): Disable interrupt.
5906 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
5907 Steven Bosscher <stevenb.gcc@gmail.com>
5909 PR rtl-optimization/26854
5910 PR rtl-optimization/34400
5911 * df-problems.c (df_live_scratch): New scratch bitmap.
5912 (df_live_alloc): Allocate df_live_scratch when doing df_live.
5913 (df_live_reset): Clear the proper bitmaps.
5914 (df_live_bb_local_compute): Only process the artificial defs once
5915 since the order is not important.
5916 (df_live_init): Init the df_live sets only with the variables
5917 found live by df_lr.
5918 (df_live_transfer_function): Use the df_lr sets to prune the
5919 df_live sets as they are being computed.
5920 (df_live_free): Free df_live_scratch.
5922 2008-01-18 Ian Lance Taylor <iant@google.com>
5924 * common.opt: Add fmerge-debug-strings.
5925 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
5926 flag_merge_debug_strings rather than flag_merge_constants.
5927 * doc/invoke.texi (Option Summary): Mention
5928 -fmerge-debug-strings.
5929 (Debugging Options): Document -fmerge-debug-strings.
5931 2008-01-18 Ian Lance Taylor <iant@google.com>
5934 * tree.h (DECL_IS_OPERATOR_NEW): Define.
5935 (struct tree_function_decl): Add new field operator_new_flag.
5936 * tree-inline.c (expand_call_inline): When inlining a call to
5937 operator new, force the return value to go into a variable, and
5938 set DECL_NO_TBAA_P on that variable.
5939 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
5941 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
5944 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
5945 DWARF2_DEBUGGING_INFO.
5946 (dwarf2out_note_section_used): Ditto. Add prototype.
5947 (have_multiple_function_sections, text_section_used,
5948 cold_text_section_used, *cold_text_sections): Move declarations
5951 2008-01-17 Bob Wilson <bob.wilson@acm.org>
5953 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
5954 field and add signal_ra.
5955 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
5956 assignments to frame state pc. Move end of stack check after
5957 MD_FALLBACK_FRAME_STATE_FOR.
5958 (uw_update_context_1): Use frame state signal_regs if set, instead
5959 of checking signal_frame flag.
5960 (uw_update_context): Use frame state signal_ra if set.
5961 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
5962 * config/xtensa/linux-unwind.h: New file.
5964 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
5966 * modulo-sched.c (get_sched_window): Fix comment typo.
5968 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
5970 PR tree-optimization/34648
5971 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
5973 2008-01-17 Anatoly Sokolov <aesok@post.ru>
5975 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
5976 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
5978 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
5980 PR rtl-optimization/34400
5981 * df-core.c (df_worklist_dataflow_overeager,
5982 df_worklist_dataflow_doublequeue): New functions.
5983 (df_worklist_dataflow): Two different worklist solvers.
5984 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
5987 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5990 * doc/invoke.texi: Document the dependence on pthread for fopenmp
5991 and ftree-parallelize-loops.
5993 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
5995 PR rtl-optimization/34826
5996 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
5998 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
6000 * global.c (find_reg): Mark the eh regs as used if necessary.
6001 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
6002 * ra.h (struct allocno): no_eh_reg field added. Changed
6003 no_stack_reg type to bitfield.
6005 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
6007 * tree.c (substitute_in_expr): Add missing 'break'.
6009 2008-01-17 Richard Guenther <rguenther@suse.de>
6011 PR tree-optimization/34825
6012 * tree-ssa-math-opts.c (is_division_by): Do not recognize
6013 x / x as division to handle.
6015 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6017 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
6018 "-pthread" is specified.
6019 * pa-hpux11.h (LIB_SPEC): Likewise.
6021 2008-01-16 Janis Johnson <janis187@us.ibm.com>
6022 Peter Bergner <bergner@vnet.ibm.com>
6024 PR rtl-optimization/33796
6025 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
6027 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6029 PR libgfortran/34699
6030 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
6032 * pa-hpux10.h (LINK_SPEC): Likewise.
6033 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
6035 2008-01-16 Richard Guenther <rguenther@suse.de>
6038 * fold-const.c (fold_convert_const_int_from_int): Do not
6039 set overflow if that occured only because of a sign extension
6040 change when converting from/to a sizetype with the same
6041 precision and signedness.
6043 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6046 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
6047 location address to the correct place. Update copyright year.
6049 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6051 * lambda-code.c (lambda_transform_legal_p): Handle the case of
6052 no dependences in the dependence_relations vector.
6054 2008-01-16 Jan Hubicka <jh@suse.cz>
6056 PR rtl-optimization/31396
6057 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
6058 * cfg.c (dump_reg_info): Print it.
6059 * regs.h (struct reg_info_t): add freq_calls_crossed.
6060 (REG_FREQ_CALLS_CROSSED): New macro.
6061 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
6062 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
6063 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
6064 regmove_optimize): Update call crossed frequencies.
6065 * local-alloc.c (struct qty): Add freq_calls_crossed.
6066 (alloc_qty): Copute freq_calls_crossed.
6067 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
6068 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
6069 * ra.h (struct allocno): Add freq_calls_crossed.
6071 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6073 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
6074 libgomp when compiling with ftree-parallelize-loops.
6075 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
6077 2008-01-16 Richard Guenther <rguenther@suse.de>
6079 PR tree-optimization/34769
6080 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
6081 * tree.c (int_cst_value): Instead make this function more
6082 permissive in what it accepts as valid input. Document this
6083 function always sign-extends the value.
6085 2008-01-16 Jakub Jelinek <jakub@redhat.com>
6086 Richard Guenther <rguenther@suse.de>
6089 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
6090 (gimple_fold_indirect_ref_rhs): ... this.
6091 (gimple_fold_indirect_ref): New function with foldings
6092 that preserve lvalueness.
6093 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
6094 * tree-flow.h (gimple_fold_indirect_ref): Declare.
6095 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
6096 to fold an INDIRECT_REF, fall back to the old use of
6097 fold_indirect_ref_1.
6099 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6101 * tree-data-ref.c (subscript_dependence_tester_1): Call
6102 free_conflict_function.
6103 (compute_self_dependence): Same.
6105 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6108 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
6109 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
6111 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
6112 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
6113 for DWARF2_UNWIND_INFO targets.
6115 2008-01-16 Richard Guenther <rguenther@suse.de>
6118 * c-typeck.c (common_pointer_type): Do not merge inconsistent
6119 type qualifiers for function types.
6121 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
6123 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
6124 loop_iterator li from previous commit.
6126 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
6128 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
6130 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6132 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
6133 (parallelize_loops): Don't parallelize irreducible components.
6135 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6138 * c-opts (c_common_post_options): Do not enable CPP
6139 flag_pedantic_errors by default.
6141 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
6143 PR rtl-optimization/31944
6144 * cse.c (remove_pseudo_from_table): New function.
6145 (merge_equiv_classes): Use above function to remove pseudo-registers.
6146 (invalidate): Likewise.
6148 2008-01-13 Richard Guenther <rguenther@suse.de>
6151 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
6152 instead of TYPE_MODE to deal with calls from expand_one_error_var.
6154 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
6156 * gcse.c (cprop_jump): Call validate_unshare_change instead of
6157 validate_change to unshare the source of the PC set.
6159 2008-01-12 Jan Hubicka <jh@suse.cz>
6162 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
6163 references above array bounds. This might trigger bounds checks for
6166 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6168 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
6169 new_replaceable_dependencies.
6171 2008-01-12 Doug Kwan <dougkwan@google.com>
6173 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
6174 instead of OPT_Wreturn_type in warning due to ignored return type
6176 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
6177 options included in -Wextra.
6178 * c.opt: New option -Wignored_qualifiers.
6179 * doc/invoke.texi (Warning Options, -Wextra): Add new option
6180 -Wignore_qualifiers.
6181 (-Wignored-qualifiers): Document.
6182 (-Wreturn-type): Remove description of functionality now handled
6183 by -Wignored-qualifiers.
6185 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
6188 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
6189 NOP_EXPR if it is between integral types with the same precision.
6191 2008-01-12 Jan Hubicka <jh@suse.cz>
6194 * invoke.texi (max-inline-recursive-depth): Fix default value.
6196 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
6198 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
6201 2008-01-11 Bob Wilson <bob.wilson@acm.org>
6203 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
6205 2008-01-11 James E. Wilson <wilson@specifix.com>
6208 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
6210 2008-01-11 Anatoly Sokolov <aesok@post.ru>
6212 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
6213 save/restore frame pointer register and don't use 'call-prologues'
6214 optimization in function with "OS_task" attribute.
6216 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
6219 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
6220 when copying to memory.
6222 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
6224 PR rtl-optimization/30905
6225 * cfgcleanup.c: Include dce.h
6226 (crossjumps_occured): New global variable.
6227 (try_crossjump_bb): Exit loop after finding a fallthru edge.
6228 If something changed, set crossjumps_occured to true.
6229 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
6230 Don't add/remove fake edges to exit here...
6231 (cleanup_cfg): ...but do it here, when crossjumping.
6232 Run a fast DCE when successful crossjumps occured in the latest
6233 iteration of try_optimize_cfg.
6235 2008-01-11 Richard Guenther <rguenther@suse.de>
6237 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
6238 (struct vn_unary_op_s): Likewise.
6239 (vn_reference_insert): Free old reference on hash collision.
6241 2008-01-10 Raksit Ashok <raksit@google.com>
6243 PR rtl-optimization/27971
6244 * combine.c (find_split_point): Split PLUS expressions which are
6245 inside a MEM rtx, and whose first operand is complex.
6247 2008-01-10 DJ Delorie <dj@redhat.com>
6249 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
6250 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
6251 (m32c_hard_regno_ok): Call the underlying function.
6253 2008-01-10 Richard Guenther <rguenther@suse.de>
6256 * tree-cfg.c (tree_merge_blocks): Do not go through the
6257 full-blown folding and stmt updating path if we just deal
6258 with virtual operands.
6259 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
6260 test for abnormal SSA_NAMEs.
6262 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
6265 * reload.c (push_reload): Add assertions. All constants from
6266 reg_equiv_constant should have been used for replacing the respective
6268 (find_reloads_address): Invoke find_reloads_address_part for
6269 constant taken from the reg_equiv_constant array.
6271 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
6273 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
6274 field (valnum) the first in the struct. Replace bools with
6277 2008-01-10 Richard Guenther <rguenther@suse.de>
6279 PR tree-optimization/34651
6280 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
6281 types and ordering for masking and converting.
6283 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
6285 PR tree-optimization/34017
6286 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
6287 also for PHI_NODE expressions.
6289 2008-01-09 Jan Hubicka <jh@suse.cz>
6291 PR tree-optimization/34708
6292 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
6293 based on number of case labels.
6294 (init_inline_once): Remove switch_cost.
6295 * tree-inline.h (eni_weights_d): Remove switch_cost.
6297 2008-01-09 Richard Guenther <rguenther@suse.de>
6298 Andrew Pinski <andrew_pinski@playstation.sony.com>
6301 * gimplify.c (gimplify_cond_expr): Do not create an addressable
6302 temporary if an rvalue is ok or an lvalue is not required.
6304 2008-01-09 Richard Guenther <rguenther@suse.de>
6307 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
6310 2008-01-09 Richard Guenther <rguenther@suse.de>
6313 * tree.c (host_integerp): Check for sizetype only if the
6314 type is an integer type.
6316 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
6319 * opts.c (decode_options): Disable inlining of functions called
6320 once if not in unit-at-a-time mode.
6322 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
6324 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
6326 2008-01-08 Richard Guenther <rguenther@suse.de>
6329 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
6330 out early if the result will be unused.
6332 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6337 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6338 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6341 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
6343 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
6344 for vectorization tuned.
6346 2008-01-08 Richard Guenther <rguenther@suse.de>
6348 PR tree-optimization/34683
6349 * tree-ssa-operands.c (operand_build_cmp): Export.
6350 * tree-ssa-operands.h (operand_build_cmp): Declare.
6351 * tree-vn.c (vuses_compare): Remove.
6352 (sort_vuses): Use operand_build_cmp.
6353 (sort_vuses_heap): Likewise.
6354 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
6355 to re-use old VEC if available. Do not sort already sorted VUSEs.
6356 (vdefs_to_vec): Do not sort already sorted VDEFs.
6358 2008-01-08 Jakub Jelinek <jakub@redhat.com>
6361 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
6363 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6366 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
6367 limitations of reciprocal sequences on x86 targets.
6369 2008-01-08 Richard Guenther <rguenther@suse.de>
6371 PR tree-optimization/34683
6372 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
6374 2008-01-07 Jakub Jelinek <jakub@redhat.com>
6377 * config/darwin.c (darwin_mergeable_string_section): Don't use
6378 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
6380 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
6383 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
6384 negxf2. Macroize expander using X87MODEF mode iterator. Change
6385 predicates of op0 and op1 to register_operand.
6386 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
6387 expander using X87MODEF mode iterator. Change predicates of
6388 op0 and op1 to register_operand.
6389 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
6390 corresponding patterns and macroize using MODEF macro. Change
6391 predicates of op0 and op1 to register_operand and remove
6392 "m" constraint. Disparage "r" alternative with "!".
6393 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
6394 macroize using X87MODEF macro. Change predicates of op0 and op1
6395 to register_operand and remove "m" constraint. Disparage "r"
6396 alternative with "!".
6397 (absneg splitter with memory operands): Remove.
6398 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
6399 patterns and macroize using X87MODEF mode iterator.
6400 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
6401 Change predicate of op1 to register_operand.
6402 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
6403 for memory operands.
6405 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
6407 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
6409 2008-01-07 Richard Guenther <rguenther@suse.de>
6411 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
6414 2008-01-07 Richard Guenther <rguenther@suse.de>
6416 PR tree-optimization/34683
6417 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
6418 VOPs of the needed size to save memory. Use VEC_quick_push
6419 to save compile-time.
6420 (vdefs_to_vec): Likewise.
6422 2008-01-07 Sa Liu <saliu@de.ibm.com>
6424 * config/spu/spu.md (divdf3): Genetate inline code for double
6425 division. The implementation doesn't handle INF or NAN, therefore it
6426 only applies when -ffinite-math-only is given.
6428 2008-01-06 Paolo Carlini <pcarlini@suse.de>
6431 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
6432 * doc/cpp.texi ([Common Predefined Macros]): Document.
6434 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
6436 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
6437 order to use commutative addition instead of subtraction.
6439 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
6440 Mircea Namolaru <namolaru@il.ibm.com>
6441 Vladimir Yanovsky <yanov@il.ibm.com>
6442 Revital Eres <eres@il.ibm.com>
6444 PR tree-optimization/34263
6445 * tree-outof-ssa.c (process_single_block_loop_latch,
6446 contains_tree_r): New functions.
6447 (analyze_edges_for_bb): Call process_single_block_loop_latch
6448 function to empty single-basic-block latch block if possible.
6450 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6452 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6454 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
6456 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6458 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
6460 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6462 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
6464 2008-01-05 Jakub Jelinek <jakub@redhat.com>
6466 PR tree-optimization/34618
6467 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
6470 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6473 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
6474 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
6475 Update copyright year.
6477 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
6478 Update copyright year.
6479 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
6482 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
6484 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
6485 edge does not point to current bb before changing need_assert.
6487 2008-01-04 Richard Guenther <rguenther@suse.de>
6490 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
6491 for verifying purposes if they are is_gimple_min_invariant.
6493 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
6495 PR tree-optimization/34448
6496 PR tree-optimization/34465
6497 * gimplify.c (gimplify_init_constructor): Add new parameter
6498 notify_temp_creation. Use it.
6499 (gimplify_modify_expr_rhs): Take volatiles into account when
6500 optimizing constructors.
6501 Do not optimize constructors if gimplify_init_constructor will dump to
6503 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
6504 * gcc.c-torture/compile/pr34448.c: New.
6506 2008-01-04 Jakub Jelinek <jakub@redhat.com>
6508 PR gcov-profile/34609
6509 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
6510 return_slot if result is TREE_ADDRESSABLE.
6512 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
6514 * config/mips/mips.md (sqrt_condition): Tweak comment.
6515 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
6517 2008-01-03 Tom Tromey <tromey@redhat.com>
6520 * c-common.c (c_type_hash): Handle VLAs.
6522 2008-01-03 Jan Hubicka <jh@suse.cz>
6524 PR tree-optimization/31081
6525 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
6526 0 when inlining and not inlining to first basic block.
6527 (remap_decl): When var is initialized to 0, don't set default_def.
6528 (expand_call_inline): Set entry_bb.
6529 * tree-inline.h (copy_body_data): Add entry_bb.
6531 2008-01-03 Jakub Jelinek <jakub@redhat.com>
6534 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
6537 PR tree-optimization/29484
6538 * tree-inline.c (inline_forbidden_p_2): New function.
6539 (inline_forbidden_p): Disallow inlining if some static var
6540 has an address of a local LABEL_DECL in its initializer.
6541 * doc/extend.texi (Labels as Values): Document &&foo behaviour
6544 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
6546 PR tree-optimization/34635
6547 * tree-data-ref.c (add_other_self_distances): Make sure that the
6548 evolution step is constant.
6550 2008-01-03 Jakub Jelinek <jakub@redhat.com>
6553 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
6555 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
6557 * tree-sra.c (scalarize_init): Insert the generate_element_init
6558 statements after the generate_element_zero statements.
6560 2008-01-02 Richard Guenther <rguenther@suse.de>
6564 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
6565 for very large number of operands instead of ICEing.
6567 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
6570 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
6571 while stack probing.
6573 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
6575 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
6578 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
6581 * tree-mudflap.c (mx_register_decls): Guard warning by
6582 !DECL_ARTIFICIAL check.
6584 2008-01-01 Jakub Jelinek <jakub@redhat.com>
6586 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
6587 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
6588 sse5_perm<mode>): Fix constraints.