1 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
3 PR rtl-optimization/34773
4 * reg-notes.def (EQUAL): Mention significance of combination of
5 REG_EQUAL and REG_RETVAL.
6 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
7 insn that has a REG_RETVAL.
9 2008-02-01 Roger Sayle <roger@eyesopen.com>
12 * configure.ac (--enable-fixed-point): Disable unless explicitly
14 * configure: Regenerate.
16 2008-02-01 Richard Guenther <rguenther@suse.de>
19 * invoke.texi (-finline-limit): Remove no longer true parts
20 of the documentation. Note that there is no default value.
22 2008-02-01 Andrew Pinski <pinskia@gmail.com>
23 Mark Mitchell <mark@codesourcery.com>
24 Ben Elliston <bje@au.ibm.com>
27 * doc/extend.texi (Other Builtins): Document.
29 2008-01-31 Tom Browder <tom.browder@gmail.com>
31 * doc/c-tree.texi (Types): Fix grammar.
32 (Expression trees): Ditto.
33 * doc/passes.texi (Tree-SSA passes): Ditto.
35 * doc/configterms.texi (Configure Terms): Fix typo.
36 * doc/cpp.texi (Common Predefined Macros): Ditto.
37 * doc/md.texi (Machine Constraints): Ditto.
39 * doc/makefile.texi (Makefile): Add comma.
41 2008-01-31 Tom Browder <tom.browder@gmail.com>
42 Gerald Pfeifer <gerald@pfeifer.com>
44 * doc/sourcebuild.texi (Front End): Remove references to CVS
46 (Texinfo Manuals): Replace reference to CVS by one to SVN.
47 (Back End): Remove reference to CVS.
49 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
52 * config/mips/mips.c (gen_load_const_gp): New function, taking a
54 (mips16_gp_pseudo_reg): ...here.
55 * config/mips/mips.md (load_const_gp): Replace with...
56 (load_const_gp_<mode>): ...this :P-based insn.
58 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
60 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
62 (-std): Move reference to standards closer to where language
63 standards are first mentioned.
65 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
67 PR rtl-optimization/34995
68 * reload.c (alternative_allows_const_pool_ref): Take an rtx
69 parameter and return a bool. If the rtx parameter is nonnull,
70 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
71 (find_reloads): Update call accordingly. Pass the new operand
72 if it needed no address reloads, otherwise pass null.
74 2008-01-30 Richard Henderson <rth@redhat.com>
77 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
80 2008-01-30 Silvius Rus <rus@google.com>
82 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
84 2008-01-30 Jan Hubicka <jh@suse.cz>
87 * i386.c (init_cumulative_args): Use real function declaration when
90 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
92 PR rtl-optimization/34998
93 * global.c (build_insn_chain): Treat non-subreg_lowpart
94 SUBREGs of pseudos as clobbering all the words covered by the
95 SUBREG, not just all the bytes.
96 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
97 original df_ref rather than an extract parameter.
98 (global_conflicts): Update call accordingly.
100 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
102 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
103 the overflow check to make it easier to read.
104 (__fixtfdi): Change the type of the ll member in union
105 long_double to UDItype_x.
107 2008-01-30 Jakub Jelinek <jakub@redhat.com>
110 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
111 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
112 * tree-inline.c (fold_marked_statements): Call
113 cgraph_update_edges_for_call_stmt if folding a call statement.
114 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
115 debug_generic_stmt calls, reset it back afterwards.
118 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
120 * c-typeck.c (build_external_ref): Don't pedwarn about
121 static vars in current function's scope.
123 2008-01-29 Joseph Myers <joseph@codesourcery.com>
125 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
127 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
130 * ipa-struct-reorg.c: Fix spelling.
133 2008-01-29 Richard Guenther <rguenther@suse.de>
136 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
138 * tree-inline.c (remap_type): Increment remapping_type_depth
139 around remapping types.
140 (copy_body_r): Only add referenced variables if they are referenced
141 from code, not types.
143 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
154 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
155 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
157 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
160 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
161 pointer for tiny stack.
163 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
165 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
167 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
169 * config/vx-common.h: Fix typo in comment.
171 2008-01-28 Ian Lance Taylor <iant@google.com>
175 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
176 coalesce pointers if they have different DECL_NO_TBAA_P values.
177 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
178 between variables with different DECL_NO_TBAA_P values.
180 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
183 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
184 are not legitimate small data references on SPE targets.
186 2008-01-28 David Daney <ddaney@avtrex.com>
188 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
190 2008-01-28 David Daney <ddaney@avtrex.com>
192 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
194 2008-01-27 Joseph Myers <joseph@codesourcery.com>
196 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
197 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
198 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
199 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
200 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
201 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
202 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
203 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
205 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
207 * basic-block.h (condjump_equiv_p): Fix comment.
209 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
211 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
212 print_generic_stmt_indented): Fix comment.
214 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
216 * configure.ac (__stack_chk_fail): Add detecion for availability
217 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
218 * configure: Regenerate.
220 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
223 * final.c (output_addr_const): Handle TRUNCATE.
225 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
228 * tree-ssa-loop-ivopts.c (comp_cost): New type.
229 (zero_cost, infinite_cost): New constants.
230 (struct cost_pair): Change type of cost to comp_cost.
231 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
232 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
234 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
235 split_address_cost, ptr_difference_cost, difference_cost,
236 get_computation_cost_at, get_computation_cost,
237 determine_use_iv_cost_generic, determine_use_iv_cost_address,
238 determine_use_iv_cost_condition, determine_use_iv_costs,
239 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
240 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
241 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
242 Change type of cost to comp_cost.
243 (determine_iv_cost): Increase cost of non-original ivs, instead
244 of decreasing the cost of original ones.
245 (get_address_cost): Indicate the complexity of the addressing mode
247 (try_add_cand_for): Prefer using ivs not specific to some object.
248 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
250 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
251 Janis Johnson <janis187@us.ibm.com>
254 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
255 (TARGET_INSTANTIATE_DECLS): Likewise.
256 * target.h (expand_to_rtl_hook): New target hook.
257 (instantiate_decls): Likewise.
258 * function.c (instantiate_decl): Make non-static. Rename to...
259 (instantiate_decl_rtl): ... this.
260 (instantiate_expr): Use instantiate_decl_rtl.
261 (instantiate_decls_1): Likewise.
262 (instantiate_decls): Likewise.
263 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
264 * function.h (instantiate_decl_rtl): Add prototype.
265 * cfgexpand.c (target.h): New include.
266 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
267 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
268 (TARGET_INSTANTIATE_DECLS): Likewise.
269 (TARGET_INITIALIZER): New target hooks added.
270 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
272 * config/rs6000/rs6000.c (tree-flow.h): New include.
273 (machine_function): Add sdmode_stack_slot field.
274 (rs6000_alloc_sdmode_stack_slot): New function.
275 (rs6000_instantiate_decls): Likewise.
276 (rs6000_secondary_memory_needed_rtx): Likewise.
277 (rs6000_check_sdmode): Likewise.
278 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
279 (TARGET_INSTANTIATE_DECLS): Likewise.
280 (rs6000_hard_regno_mode_ok): Allow SDmode.
281 (num_insns_constant): Likewise. Handle _Decimal32 constants.
282 (rs6000_emit_move): Handle SDmode.
283 (function_arg_advance): Likewise.
284 (function_arg): Likewise.
285 (rs6000_gimplify_va_arg): Likewise. Add special handling of
286 SDmode var args for 32-bit compiles.
287 (rs6000_secondary_reload_class): Handle SDmode.
288 (rs6000_output_function_epilogue): Likewise.
289 (rs6000_function_value): Simplify if statement.
290 (rs6000_libcall_value): Likewise.
291 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
292 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
293 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
294 (movsd_hardfloat): New define_insn.
295 (movsd_softfloat): Likewise.
296 (movsd_store): Likewise.
297 (movsd_load): Likewise.
298 (extendsddd2): Likewise.
299 (extendsdtd2): Likewise.
300 (truncddsd2): Likewise.
301 (movdd_hardfloat64): Fixup comment.
302 (UNSPEC_MOVSD_LOAD): New constant.
303 (UNSPEC_MOVSD_STORE): Likewise.
305 2008-01-26 Jakub Jelinek <jakub@redhat.com>
308 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
310 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
311 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
312 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
315 2008-01-26 David Edelsohn <edelsohn@gnu.org>
318 * config.gcc: Separate AIX 5.3 from AIX 6.1.
319 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
321 * config/rs6000/aix61.h: New file.
323 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
325 PR rtl-optimization/34959
326 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
327 popcount and parity rtxes the same mode as their operand.
328 Truncate or extend the result to the return value's mode
331 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
334 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
335 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
336 to GOT_VERSION_REGNUM.
337 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
338 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
339 * config/mips/mips.c (mips_emit_call_insn): New function.
340 (mips_call_tls_get_addr): Call mips_expand_call directly.
341 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
343 (mips16_build_call_stub): Likewise. Return the call insn or null.
344 (mips_expand_call): Update the call to mips16_build_call_stub
345 accordingly and a remove redundant condition. Assert that MIPS16
346 stubs do not use lazy binding. Use mips_emit_call_insn and return
348 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
350 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
351 (mips_avoid_hazard): Remove hazard_set handling.
352 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
353 (UNSPEC_RESTORE_GP): ...this.
354 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
355 (FAKE_CALL_REGNO): Rename to...
356 (GOT_VERSION_REGNUM): ...this.
357 (type): Add "ghost" value. Add an associated insn reservation.
358 (hazard_set): Remove.
359 (exception_receiver): Rename to...
360 (restore_gp): ...this and update the unspec identifier accordingly.
361 (exception_receiver, nonlocal_got_receiver): New expanders.
362 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
363 FAKE_CALL_REGNO. Remove hazard_set attribute.
364 (set_got_version, update_got_version): New patterns.
366 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
369 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
371 2008-01-25 Joseph Myers <joseph@codesourcery.com>
374 * doc/install.texi2html: Generate gcc-vers.texi.
376 2008-01-25 DJ Delorie <dj@redhat.com>
378 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
380 2008-01-25 Joseph Myers <joseph@codesourcery.com>
382 * config/c4x: Remove directory.
383 * config.gcc (crx-*, mt-*): Mark obsolete.
384 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
385 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
386 sh-*-rtemscoff*): Remove cases.
387 * defaults.h (C4X_FLOAT_FORMAT): Remove.
388 * real.c (encode_c4x_single, decode_c4x_single,
389 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
390 c4x_extended_format): Remove.
391 * real.h (c4x_single_format, c4x_extended_format): Remove.
392 * doc/extend.texi (interrupt, naked): Remove mention of attributes
394 (Pragmas): Remove comment about c4x pragmas.
395 * doc/install.texi (c4x): Remove target-specific instructions.
396 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
397 * doc/md.texi (Machine Constraints): Remove C4x documentation.
398 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
399 refer to C4x source files as examples.
400 (C4X_FLOAT_FORMAT): Remove documentation.
402 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
404 * config/bfin/bfin.c (override_options): Reorder tests so that
405 flag_pic gets enabled for -msep-data.
407 2008-01-25 Richard Guenther <rguenther@suse.de>
410 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
411 to its bitfield precision if required.
413 2008-01-25 Jakub Jelinek <jakub@redhat.com>
416 * tree-nested.c (walk_omp_for): New function.
417 (convert_nonlocal_reference, convert_local_reference): Call
418 walk_omp_for on OMP_FOR.
419 (convert_call_expr): Call walk_body on OMP_FOR's
420 OMP_FOR_PRE_INIT_BODY.
422 2008-01-25 Richard Guenther <rguenther@suse.de>
424 PR tree-optimization/34966
425 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
426 default defs and PHI_NODEs we have to insert after the
429 2008-01-24 Nick Clifton <nickc@redhat.com>
431 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
432 Provide a default definition.
433 (LIBGCC2_UNITS_PER_WORD): Likewise.
435 * config/stormy16/stormy16.c: Include df.h for the prototype
436 for df_regs_ever_live_p.
437 (xstormy16_expand_builtin_va_start): Convert the stack offset
438 into a component_ref and then use POINTER_PLUS_EXPR to add it
439 to the incoming_virtual_args_rtx.
440 (xstormy16_gimplify_va_arg_expr): Rename to
441 xstormy16_gimplify_va_arg_expr.
442 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
443 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
444 xstormy16_gimplify_va_arg_expr.
445 Fix up some formatting issues.
447 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
448 Move to predicates.md.
449 (xs_hi_general_operand): Likewise.
450 (xs_hi_nonmemory_operand): Likewise.
451 * config/stormy16/predicates.md:
452 (xstormy16_carry_plus_operand): New predicate.
453 (xs_hi_general_operand): New predicate.
454 (xs_hi_nonmemory_operand): New predicate.
455 * config/stormy16/stormy16-protos.h:
456 (xstormy16_carry_plus_operand): Delete prototype.
457 (xs_hi_general_operand): Likewise.
458 (xs_hi_nonmemory_operand): Likewise.
460 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
461 modifiers as they are no longer needed and they can trigger
462 reload spill failures.
464 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
465 with a match_operand in order to help reload.
467 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
468 constraint with 'e' for the 8th alternative as this version of
469 the mov.w instruction only accepts the lower 8 registers.
471 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
474 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
475 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
478 2008-01-25 Jakub Jelinek <jakub@redhat.com>
481 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
483 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
485 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
487 (remove_structure): Update allocations list before removing structure.
489 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
491 * ipa-struct-reorg.c (is_safe_cond_expr,
492 create_new_stmts_for_cond_expr): Use integer_zerop function,
493 that recognize not only zero-pointer, but zero-integer too.
495 2008-01-25 Ben Elliston <bje@au.ibm.com>
498 * fixproto: Escape "." in sed expression that strips leading "./".
500 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
503 * gcc.c (SWITCH_OK): Removed.
504 (SWITCH_LIVE): Changed to bit.
505 (SWITCH_FALSE): Likewise.
506 (SWITCH_IGNORE): Likewise.
507 (switchstr): Change live_cond to unsigned int.
508 (process_command): Replace SWITCH_OK with 0.
509 (do_self_spec): Likewise.
510 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
511 (give_switch): Likewise.
512 (used_arg): Likewise.
513 (do_spec_1): Set the SWITCH_IGNORE bit.
514 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
515 bits. Set the SWITCH_LIVE bit.
517 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
519 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
521 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
523 PR tree-optimization/34472
524 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
525 parameter to a "bool *" and set *DATA to false if there is
526 an unsafe access. Do not delete the structure here.
527 (check_cond_exprs): Delete it here instead.
528 (check_cond_exprs, exclude_cold_structs): Do not increase
529 I when removing a structure.
531 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
534 * config/i386/i386.c (ix86_expand_vector_init): Consider only
535 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
537 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
540 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
541 a fixed vector for stack.
543 2008-01-24 Ben Elliston <bje@au.ibm.com>
546 * doc/gcc.texi (Software development): Add a direntry for g++.
548 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
550 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
551 stale and straggling -fforce-addr comments above.
553 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
555 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
556 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
558 2008-01-23 Michael Matz <matz@suse.de>
561 * dwarf2out.c (force_type_die): Use modified_type_die instead of
564 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
566 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
569 2008-01-23 Anatoly Sokolov <aesok@post.ru>
571 * config/avr/avr.c (avr_current_arch): New variable.
572 (avr_arch_types): Add 'avr31' and 'avr51' entries.
573 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
574 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
575 (avr_override_options): Init 'avr_current_arch'.
576 (base_arch_s): Move from here...
577 * config/avr/avr.h (base_arch_s): ... here. Add new members
578 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
579 'mega' to 'have_jmp_call'.
580 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
581 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
583 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
585 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
586 MULTILIB_MATCHES): (Ditto.).
588 2008-01-23 Richard Guenther <rguenther@suse.de>
591 * cgraphunit.c (cgraph_reset_node): Always mark the node
592 not reachable if it is not queued already.
594 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
596 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
597 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
598 (cputype_selected): New static variable.
599 (bfin_handle_option): Set it if -mcpu is used.
600 (override_option): Select default set of workarounds if no cpu type
601 selected on the command line.
602 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
604 From Michael Frysinger <michael.frysinger@analog.com>
605 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
606 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
608 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
609 for bf547, bf523, bf524, and bf526.
610 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
612 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
613 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
614 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
615 __ADSPBF547__ and __ADSPBF54x__ for bf547.
616 * doc/invoke.texi (Blackfin Options): Document that
617 -mcpu now accept bf547, bf523, bf524, and bf526.
619 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
621 PR rtl-optimization/34628
622 * combine.c (try_combine): Stop and undo after the first combination
623 if an autoincrement side-effect on the first insn has effectively
626 2008-01-22 David Edelsohn <edelsohn@gnu.org>
629 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
630 Offset addresses are not valid for Altivec or paired float modes.
632 2008-01-22 Jakub Jelinek <jakub@redhat.com>
635 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
636 if DECL_INITIAL (decl) is error_mark_node.
639 * c-common.c (handle_vector_size_attribute): Only allow
640 integral, scalar float and fixed point types. Handle OFFSET_TYPE
641 the same way as pointer, array etc. types.
642 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
645 * tree.c (build_type_attribute_qual_variant): Call
646 build_qualified_type if attributes are equal, but quals are not.
648 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
651 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
652 * flags.h (warn_strict_aliasing): Remove.
653 (warn_strict_overflow): Remove.
654 * opts.c (warn_strict_aliasing): Remove.
655 (warn_strict_overflow): Remove.
656 * c-opts.c (c_common_handle_option): -Wall only sets
657 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
658 (c_common_post_options): Give default values to -Wstrict-aliasing
659 and -Wstrict-overflow if they are uninitialized.
660 * common.opt (Wstrict-aliasing): Specify Var and Init.
661 (Wstrict-overflow): Likewise.
663 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
665 PR rtl-optimization/26854
666 PR rtl-optimization/34400
667 PR rtl-optimization/34884
668 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
670 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
671 (df_rd_bb_info.expanded_lr_out): Deleted
672 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
673 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
674 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
675 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
676 Removed code to allocate, initialize or free expanded_lr_out.
677 (df_rd_bb_local_compute_process_def): Restructured to make more
679 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
680 sets if the sets are being trimmed.
682 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
685 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
687 * configure: Regenerated.
689 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
692 * tree-pass.h (pass_build_alias): New pass.
693 * tree-ssa-alias.c (gate_build_alias): New.
694 (pass_build_alias): New.
695 * passes.c (init_optimization_passes): Add pass_build_alias after
696 pass_create_structure_vars.
698 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
700 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
701 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
702 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
703 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
704 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
705 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
706 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
707 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
708 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
709 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
710 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
711 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
712 * config/s390/s390.md (FP_ALL): New mode iterator.
713 (_d): New mode attribute.
714 ("*signbit<mode>2>"): Changed mode of first operand.
715 ("isinf<mode>2"): Changed mode of first operand.
716 ("*TDC_insn"): Adaptation for DFP modes.
718 2008-01-22 Ben Elliston <bje@au.ibm.com>
720 * tree.c (check_qualified_type): Improve function description.
722 2008-01-21 Jason Merrill <jason@redhat.com>
725 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
726 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
729 2008-01-21 DJ Delorie <dj@redhat.com>
731 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
734 2008-01-21 Richard Guenther <rguenther@suse.de>
737 * tree-cfg.c (verify_expr): Allow all invariant expressions
738 instead of just constant class ones as reference argument.
739 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
740 like any other constant.
741 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
743 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
745 * regmove.c (fixup_match_1): Update call crossed frequencies.
747 2008-01-21 Richard Guenther <rguenther@suse.de>
750 * tree-inline.c (setup_one_parameter): Deal with mismatched
751 types using a VIEW_CONVERT_EXPR.
753 2008-01-21 Alon Dayan <alond@il.ibm.com>
754 Olga Golovanevsky <olga@il.ibm.com>
756 PR tree-optimization/34701
757 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
758 when the structure size is not a power of 2.
760 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
762 * doc/install.texi: Add doc for --enable-checking=df.
764 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
766 PR rtl-optimization/34808
767 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
769 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
771 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
774 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
776 PR rtl-optimization/26854
777 PR rtl-optimization/34400
778 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
780 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
781 (df_rd_bb_info.expanded_lr_out): New.
782 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
783 * loop_iv.c (iv_analysis_loop_init): Ditto.
784 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
785 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
786 Added code to allocate, initialize or free expanded_lr_out.
787 (df_rd_bb_local_compute_process_def): Restructured to make
789 (df_rd_confluence_n): Add code to do nothing with fake edges and
790 code to no apply invalidate_by_call sets if the sets are being trimmed.
791 (df_lr_local_finalize): Renamed to df_lr_finalize.
792 (df_live_local_finalize): Renamed to df_live_finalize.
794 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
797 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
798 deciding whether to use reciprocal instructions.
800 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
802 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
803 dwarf2out_note_section_used if cold_text_section is NULL.
805 2008-01-19 Jakub Jelinek <jakub@redhat.com>
807 PR gcov-profile/34610
808 * tree-cfg.c (make_edges): Mark both outgoing edges from
809 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
810 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
811 from OMP_FOR and OMP_CONTINUE outgoing edges.
813 * tree-profile.c (tree_profiling): Return early if
814 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
816 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
817 from cfun to child_cfun.
818 * function.h (struct function): Add after_tree_profile bit.
820 2008-01-19 Anatoly Sokolov <aesok@post.ru>
822 * config/avr/avr.S (_exit): Disable interrupt.
824 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
825 Steven Bosscher <stevenb.gcc@gmail.com>
827 PR rtl-optimization/26854
828 PR rtl-optimization/34400
829 * df-problems.c (df_live_scratch): New scratch bitmap.
830 (df_live_alloc): Allocate df_live_scratch when doing df_live.
831 (df_live_reset): Clear the proper bitmaps.
832 (df_live_bb_local_compute): Only process the artificial defs once
833 since the order is not important.
834 (df_live_init): Init the df_live sets only with the variables
836 (df_live_transfer_function): Use the df_lr sets to prune the
837 df_live sets as they are being computed.
838 (df_live_free): Free df_live_scratch.
840 2008-01-18 Ian Lance Taylor <iant@google.com>
842 * common.opt: Add fmerge-debug-strings.
843 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
844 flag_merge_debug_strings rather than flag_merge_constants.
845 * doc/invoke.texi (Option Summary): Mention
846 -fmerge-debug-strings.
847 (Debugging Options): Document -fmerge-debug-strings.
849 2008-01-18 Ian Lance Taylor <iant@google.com>
852 * tree.h (DECL_IS_OPERATOR_NEW): Define.
853 (struct tree_function_decl): Add new field operator_new_flag.
854 * tree-inline.c (expand_call_inline): When inlining a call to
855 operator new, force the return value to go into a variable, and
856 set DECL_NO_TBAA_P on that variable.
857 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
859 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
862 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
863 DWARF2_DEBUGGING_INFO.
864 (dwarf2out_note_section_used): Ditto. Add prototype.
865 (have_multiple_function_sections, text_section_used,
866 cold_text_section_used, *cold_text_sections): Move declarations
869 2008-01-17 Bob Wilson <bob.wilson@acm.org>
871 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
872 field and add signal_ra.
873 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
874 assignments to frame state pc. Move end of stack check after
875 MD_FALLBACK_FRAME_STATE_FOR.
876 (uw_update_context_1): Use frame state signal_regs if set, instead
877 of checking signal_frame flag.
878 (uw_update_context): Use frame state signal_ra if set.
879 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
880 * config/xtensa/linux-unwind.h: New file.
882 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
884 * modulo-sched.c (get_sched_window): Fix comment typo.
886 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
888 PR tree-optimization/34648
889 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
891 2008-01-17 Anatoly Sokolov <aesok@post.ru>
893 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
894 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
896 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
898 PR rtl-optimization/34400
899 * df-core.c (df_worklist_dataflow_overeager,
900 df_worklist_dataflow_doublequeue): New functions.
901 (df_worklist_dataflow): Two different worklist solvers.
902 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
905 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
908 * doc/invoke.texi: Document the dependence on pthread for fopenmp
909 and ftree-parallelize-loops.
911 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
913 PR rtl-optimization/34826
914 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
916 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
918 * global.c (find_reg): Mark the eh regs as used if necessary.
919 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
920 * ra.h (struct allocno): no_eh_reg field added. Changed
921 no_stack_reg type to bitfield.
923 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
925 * tree.c (substitute_in_expr): Add missing 'break'.
927 2008-01-17 Richard Guenther <rguenther@suse.de>
929 PR tree-optimization/34825
930 * tree-ssa-math-opts.c (is_division_by): Do not recognize
931 x / x as division to handle.
933 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
935 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
936 "-pthread" is specified.
937 * pa-hpux11.h (LIB_SPEC): Likewise.
939 2008-01-16 Janis Johnson <janis187@us.ibm.com>
940 Peter Bergner <bergner@vnet.ibm.com>
942 PR rtl-optimization/33796
943 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
945 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
948 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
950 * pa-hpux10.h (LINK_SPEC): Likewise.
951 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
953 2008-01-16 Richard Guenther <rguenther@suse.de>
956 * fold-const.c (fold_convert_const_int_from_int): Do not
957 set overflow if that occured only because of a sign extension
958 change when converting from/to a sizetype with the same
959 precision and signedness.
961 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
964 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
965 location address to the correct place. Update copyright year.
967 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
969 * lambda-code.c (lambda_transform_legal_p): Handle the case of
970 no dependences in the dependence_relations vector.
972 2008-01-16 Jan Hubicka <jh@suse.cz>
974 PR rtl-optimization/31396
975 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
976 * cfg.c (dump_reg_info): Print it.
977 * regs.h (struct reg_info_t): add freq_calls_crossed.
978 (REG_FREQ_CALLS_CROSSED): New macro.
979 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
980 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
981 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
982 regmove_optimize): Update call crossed frequencies.
983 * local-alloc.c (struct qty): Add freq_calls_crossed.
984 (alloc_qty): Copute freq_calls_crossed.
985 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
986 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
987 * ra.h (struct allocno): Add freq_calls_crossed.
989 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
991 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
992 libgomp when compiling with ftree-parallelize-loops.
993 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
995 2008-01-16 Richard Guenther <rguenther@suse.de>
997 PR tree-optimization/34769
998 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
999 * tree.c (int_cst_value): Instead make this function more
1000 permissive in what it accepts as valid input. Document this
1001 function always sign-extends the value.
1003 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1004 Richard Guenther <rguenther@suse.de>
1007 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1008 (gimple_fold_indirect_ref_rhs): ... this.
1009 (gimple_fold_indirect_ref): New function with foldings
1010 that preserve lvalueness.
1011 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1012 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1013 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1014 to fold an INDIRECT_REF, fall back to the old use of
1015 fold_indirect_ref_1.
1017 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1019 * tree-data-ref.c (subscript_dependence_tester_1): Call
1020 free_conflict_function.
1021 (compute_self_dependence): Same.
1023 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1026 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1027 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1029 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1030 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1031 for DWARF2_UNWIND_INFO targets.
1033 2008-01-16 Richard Guenther <rguenther@suse.de>
1036 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1037 type qualifiers for function types.
1039 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1041 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1042 loop_iterator li from previous commit.
1044 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1046 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1048 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1050 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1051 (parallelize_loops): Don't parallelize irreducible components.
1053 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1056 * c-opts (c_common_post_options): Do not enable CPP
1057 flag_pedantic_errors by default.
1059 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1061 PR rtl-optimization/31944
1062 * cse.c (remove_pseudo_from_table): New function.
1063 (merge_equiv_classes): Use above function to remove pseudo-registers.
1064 (invalidate): Likewise.
1066 2008-01-13 Richard Guenther <rguenther@suse.de>
1069 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1070 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1072 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1074 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1075 validate_change to unshare the source of the PC set.
1077 2008-01-12 Jan Hubicka <jh@suse.cz>
1080 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1081 references above array bounds. This might trigger bounds checks for
1084 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1086 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1087 new_replaceable_dependencies.
1089 2008-01-12 Doug Kwan <dougkwan@google.com>
1091 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1092 instead of OPT_Wreturn_type in warning due to ignored return type
1094 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1095 options included in -Wextra.
1096 * c.opt: New option -Wignored_qualifiers.
1097 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1098 -Wignore_qualifiers.
1099 (-Wignored-qualifiers): Document.
1100 (-Wreturn-type): Remove description of functionality now handled
1101 by -Wignored-qualifiers.
1103 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1106 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1107 NOP_EXPR if it is between integral types with the same precision.
1109 2008-01-12 Jan Hubicka <jh@suse.cz>
1112 * invoke.texi (max-inline-recursive-depth): Fix default value.
1114 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1116 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1119 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1121 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1123 2008-01-11 James E. Wilson <wilson@specifix.com>
1126 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1128 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1130 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1131 save/restore frame pointer register and don't use 'call-prologues'
1132 optimization in function with "OS_task" attribute.
1134 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1137 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1138 when copying to memory.
1140 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1142 PR rtl-optimization/30905
1143 * cfgcleanup.c: Include dce.h
1144 (crossjumps_occured): New global variable.
1145 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1146 If something changed, set crossjumps_occured to true.
1147 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1148 Don't add/remove fake edges to exit here...
1149 (cleanup_cfg): ...but do it here, when crossjumping.
1150 Run a fast DCE when successful crossjumps occured in the latest
1151 iteration of try_optimize_cfg.
1153 2008-01-11 Richard Guenther <rguenther@suse.de>
1155 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1156 (struct vn_unary_op_s): Likewise.
1157 (vn_reference_insert): Free old reference on hash collision.
1159 2008-01-10 Raksit Ashok <raksit@google.com>
1161 PR rtl-optimization/27971
1162 * combine.c (find_split_point): Split PLUS expressions which are
1163 inside a MEM rtx, and whose first operand is complex.
1165 2008-01-10 DJ Delorie <dj@redhat.com>
1167 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1168 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1169 (m32c_hard_regno_ok): Call the underlying function.
1171 2008-01-10 Richard Guenther <rguenther@suse.de>
1174 * tree-cfg.c (tree_merge_blocks): Do not go through the
1175 full-blown folding and stmt updating path if we just deal
1176 with virtual operands.
1177 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1178 test for abnormal SSA_NAMEs.
1180 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1183 * reload.c (push_reload): Add assertions. All constants from
1184 reg_equiv_constant should have been used for replacing the respective
1186 (find_reloads_address): Invoke find_reloads_address_part for
1187 constant taken from the reg_equiv_constant array.
1189 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1191 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1192 field (valnum) the first in the struct. Replace bools with
1195 2008-01-10 Richard Guenther <rguenther@suse.de>
1197 PR tree-optimization/34651
1198 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1199 types and ordering for masking and converting.
1201 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1203 PR tree-optimization/34017
1204 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1205 also for PHI_NODE expressions.
1207 2008-01-09 Jan Hubicka <jh@suse.cz>
1209 PR tree-optimization/34708
1210 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1211 based on number of case labels.
1212 (init_inline_once): Remove switch_cost.
1213 * tree-inline.h (eni_weights_d): Remove switch_cost.
1215 2008-01-09 Richard Guenther <rguenther@suse.de>
1216 Andrew Pinski <andrew_pinski@playstation.sony.com>
1219 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1220 temporary if an rvalue is ok or an lvalue is not required.
1222 2008-01-09 Richard Guenther <rguenther@suse.de>
1225 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1228 2008-01-09 Richard Guenther <rguenther@suse.de>
1231 * tree.c (host_integerp): Check for sizetype only if the
1232 type is an integer type.
1234 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1237 * opts.c (decode_options): Disable inlining of functions called
1238 once if not in unit-at-a-time mode.
1240 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1242 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1244 2008-01-08 Richard Guenther <rguenther@suse.de>
1247 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1248 out early if the result will be unused.
1250 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1255 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1256 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1259 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1261 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1262 for vectorization tuned.
1264 2008-01-08 Richard Guenther <rguenther@suse.de>
1266 PR tree-optimization/34683
1267 * tree-ssa-operands.c (operand_build_cmp): Export.
1268 * tree-ssa-operands.h (operand_build_cmp): Declare.
1269 * tree-vn.c (vuses_compare): Remove.
1270 (sort_vuses): Use operand_build_cmp.
1271 (sort_vuses_heap): Likewise.
1272 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1273 to re-use old VEC if available. Do not sort already sorted VUSEs.
1274 (vdefs_to_vec): Do not sort already sorted VDEFs.
1276 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1279 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1281 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1284 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1285 limitations of reciprocal sequences on x86 targets.
1287 2008-01-08 Richard Guenther <rguenther@suse.de>
1289 PR tree-optimization/34683
1290 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1292 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1295 * config/darwin.c (darwin_mergeable_string_section): Don't use
1296 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1298 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1301 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1302 negxf2. Macroize expander using X87MODEF mode iterator. Change
1303 predicates of op0 and op1 to register_operand.
1304 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1305 expander using X87MODEF mode iterator. Change predicates of
1306 op0 and op1 to register_operand.
1307 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1308 corresponding patterns and macroize using MODEF macro. Change
1309 predicates of op0 and op1 to register_operand and remove
1310 "m" constraint. Disparage "r" alternative with "!".
1311 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1312 macroize using X87MODEF macro. Change predicates of op0 and op1
1313 to register_operand and remove "m" constraint. Disparage "r"
1314 alternative with "!".
1315 (absneg splitter with memory operands): Remove.
1316 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1317 patterns and macroize using X87MODEF mode iterator.
1318 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1319 Change predicate of op1 to register_operand.
1320 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1321 for memory operands.
1323 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1325 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1327 2008-01-07 Richard Guenther <rguenther@suse.de>
1329 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1332 2008-01-07 Richard Guenther <rguenther@suse.de>
1334 PR tree-optimization/34683
1335 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1336 VOPs of the needed size to save memory. Use VEC_quick_push
1337 to save compile-time.
1338 (vdefs_to_vec): Likewise.
1340 2008-01-07 Sa Liu <saliu@de.ibm.com>
1342 * config/spu/spu.md (divdf3): Genetate inline code for double
1343 division. The implementation doesn't handle INF or NAN, therefore it
1344 only applies when -ffinite-math-only is given.
1346 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1349 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1350 * doc/cpp.texi ([Common Predefined Macros]): Document.
1352 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1354 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1355 order to use commutative addition instead of subtraction.
1357 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1358 Mircea Namolaru <namolaru@il.ibm.com>
1359 Vladimir Yanovsky <yanov@il.ibm.com>
1360 Revital Eres <eres@il.ibm.com>
1362 PR tree-optimization/34263
1363 * tree-outof-ssa.c (process_single_block_loop_latch,
1364 contains_tree_r): New functions.
1365 (analyze_edges_for_bb): Call process_single_block_loop_latch
1366 function to empty single-basic-block latch block if possible.
1368 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1370 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1372 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1374 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1376 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1378 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1380 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1382 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1384 PR tree-optimization/34618
1385 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1388 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1391 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1392 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1393 Update copyright year.
1395 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1396 Update copyright year.
1397 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1400 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1402 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1403 edge does not point to current bb before changing need_assert.
1405 2008-01-04 Richard Guenther <rguenther@suse.de>
1408 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1409 for verifying purposes if they are is_gimple_min_invariant.
1411 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1413 PR tree-optimization/34448
1414 PR tree-optimization/34465
1415 * gimplify.c (gimplify_init_constructor): Add new parameter
1416 notify_temp_creation. Use it.
1417 (gimplify_modify_expr_rhs): Take volatiles into account when
1418 optimizing constructors.
1419 Do not optimize constructors if gimplify_init_constructor will dump to
1421 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1422 * gcc.c-torture/compile/pr34448.c: New.
1424 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1426 PR gcov-profile/34609
1427 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1428 return_slot if result is TREE_ADDRESSABLE.
1430 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1432 * config/mips/mips.md (sqrt_condition): Tweak comment.
1433 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1435 2008-01-03 Tom Tromey <tromey@redhat.com>
1438 * c-common.c (c_type_hash): Handle VLAs.
1440 2008-01-03 Jan Hubicka <jh@suse.cz>
1442 PR tree-optimization/31081
1443 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1444 0 when inlining and not inlining to first basic block.
1445 (remap_decl): When var is initialized to 0, don't set default_def.
1446 (expand_call_inline): Set entry_bb.
1447 * tree-inline.h (copy_body_data): Add entry_bb.
1449 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1452 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1455 PR tree-optimization/29484
1456 * tree-inline.c (inline_forbidden_p_2): New function.
1457 (inline_forbidden_p): Disallow inlining if some static var
1458 has an address of a local LABEL_DECL in its initializer.
1459 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1462 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1464 PR tree-optimization/34635
1465 * tree-data-ref.c (add_other_self_distances): Make sure that the
1466 evolution step is constant.
1468 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1471 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1473 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1475 * tree-sra.c (scalarize_init): Insert the generate_element_init
1476 statements after the generate_element_zero statements.
1478 2008-01-02 Richard Guenther <rguenther@suse.de>
1482 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1483 for very large number of operands instead of ICEing.
1485 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1488 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1489 while stack probing.
1491 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1493 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1496 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1499 * tree-mudflap.c (mx_register_decls): Guard warning by
1500 !DECL_ARTIFICIAL check.
1502 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1504 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1505 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1506 sse5_perm<mode>): Fix constraints.