1 2008-02-04 Diego Novillo <dnovillo@google.com>
3 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
6 * tree-vrp.c (vrp_evaluate_conditional): With
7 -Wtype-limits, emit a warning when comparing against a
8 constant outside the natural range of OP0's type.
10 2008-02-04 Richard Guenther <rguenther@suse.de>
13 * expr.c (count_type_elements): Give for unions instead of
16 2008-02-04 Richard Guenther <rguenther@suse.de>
19 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
20 to TYPE_DOMAINs base type instead of using bitsizetype here.
22 2008-02-03 Jason Merrill <jason@redhat.com>
24 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
26 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
29 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
30 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
31 (RS/6000 and PowerPC Options): Fix typos and markup.
32 * doc/passes.texi (Tree-SSA passes): Likewise.
34 2008-02-02 Michael Matz <matz@suse.de>
37 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
38 from record_last_reg_set_info.
39 (record_last_reg_set_info): Take an RTX argument, iterate over all
41 (record_last_set_info, record_opr_changes): Change calls to
42 new signature or to record_last_reg_set_info_regno.
44 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
46 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
48 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
50 PR rtl-optimization/34773
51 * reg-notes.def (EQUAL): Mention significance of combination of
52 REG_EQUAL and REG_RETVAL.
53 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
54 insn that has a REG_RETVAL.
56 2008-02-01 Roger Sayle <roger@eyesopen.com>
59 * configure.ac (--enable-fixed-point): Disable unless explicitly
61 * configure: Regenerate.
63 2008-02-01 Richard Guenther <rguenther@suse.de>
66 * invoke.texi (-finline-limit): Remove no longer true parts
67 of the documentation. Note that there is no default value.
69 2008-02-01 Andrew Pinski <pinskia@gmail.com>
70 Mark Mitchell <mark@codesourcery.com>
71 Ben Elliston <bje@au.ibm.com>
74 * doc/extend.texi (Other Builtins): Document.
76 2008-01-31 Tom Browder <tom.browder@gmail.com>
78 * doc/c-tree.texi (Types): Fix grammar.
79 (Expression trees): Ditto.
80 * doc/passes.texi (Tree-SSA passes): Ditto.
82 * doc/configterms.texi (Configure Terms): Fix typo.
83 * doc/cpp.texi (Common Predefined Macros): Ditto.
84 * doc/md.texi (Machine Constraints): Ditto.
86 * doc/makefile.texi (Makefile): Add comma.
88 2008-01-31 Tom Browder <tom.browder@gmail.com>
89 Gerald Pfeifer <gerald@pfeifer.com>
91 * doc/sourcebuild.texi (Front End): Remove references to CVS
93 (Texinfo Manuals): Replace reference to CVS by one to SVN.
94 (Back End): Remove reference to CVS.
96 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
99 * config/mips/mips.c (gen_load_const_gp): New function, taking a
101 (mips16_gp_pseudo_reg): ...here.
102 * config/mips/mips.md (load_const_gp): Replace with...
103 (load_const_gp_<mode>): ...this :P-based insn.
105 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
107 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
108 options. Minor fixes.
109 (-std): Move reference to standards closer to where language
110 standards are first mentioned.
112 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
114 PR rtl-optimization/34995
115 * reload.c (alternative_allows_const_pool_ref): Take an rtx
116 parameter and return a bool. If the rtx parameter is nonnull,
117 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
118 (find_reloads): Update call accordingly. Pass the new operand
119 if it needed no address reloads, otherwise pass null.
121 2008-01-30 Richard Henderson <rth@redhat.com>
124 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
125 for unbounded arrays.
127 2008-01-30 Silvius Rus <rus@google.com>
129 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
131 2008-01-30 Jan Hubicka <jh@suse.cz>
134 * i386.c (init_cumulative_args): Use real function declaration when
137 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
139 PR rtl-optimization/34998
140 * global.c (build_insn_chain): Treat non-subreg_lowpart
141 SUBREGs of pseudos as clobbering all the words covered by the
142 SUBREG, not just all the bytes.
143 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
144 original df_ref rather than an extract parameter.
145 (global_conflicts): Update call accordingly.
147 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
149 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
150 the overflow check to make it easier to read.
151 (__fixtfdi): Change the type of the ll member in union
152 long_double to UDItype_x.
154 2008-01-30 Jakub Jelinek <jakub@redhat.com>
157 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
158 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
159 * tree-inline.c (fold_marked_statements): Call
160 cgraph_update_edges_for_call_stmt if folding a call statement.
161 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
162 debug_generic_stmt calls, reset it back afterwards.
165 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
167 * c-typeck.c (build_external_ref): Don't pedwarn about
168 static vars in current function's scope.
170 2008-01-29 Joseph Myers <joseph@codesourcery.com>
172 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
174 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
177 * ipa-struct-reorg.c: Fix spelling.
180 2008-01-29 Richard Guenther <rguenther@suse.de>
183 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
185 * tree-inline.c (remap_type): Increment remapping_type_depth
186 around remapping types.
187 (copy_body_r): Only add referenced variables if they are referenced
188 from code, not types.
190 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
201 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
202 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
204 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
207 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
208 pointer for tiny stack.
210 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
212 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
214 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
216 * config/vx-common.h: Fix typo in comment.
218 2008-01-28 Ian Lance Taylor <iant@google.com>
222 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
223 coalesce pointers if they have different DECL_NO_TBAA_P values.
224 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
225 between variables with different DECL_NO_TBAA_P values.
227 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
230 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
231 are not legitimate small data references on SPE targets.
233 2008-01-28 David Daney <ddaney@avtrex.com>
235 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
237 2008-01-28 David Daney <ddaney@avtrex.com>
239 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
241 2008-01-27 Joseph Myers <joseph@codesourcery.com>
243 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
244 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
245 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
246 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
247 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
248 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
249 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
250 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
252 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
254 * basic-block.h (condjump_equiv_p): Fix comment.
256 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
258 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
259 print_generic_stmt_indented): Fix comment.
261 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
263 * configure.ac (__stack_chk_fail): Add detecion for availability
264 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
265 * configure: Regenerate.
267 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
270 * final.c (output_addr_const): Handle TRUNCATE.
272 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
275 * tree-ssa-loop-ivopts.c (comp_cost): New type.
276 (zero_cost, infinite_cost): New constants.
277 (struct cost_pair): Change type of cost to comp_cost.
278 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
279 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
281 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
282 split_address_cost, ptr_difference_cost, difference_cost,
283 get_computation_cost_at, get_computation_cost,
284 determine_use_iv_cost_generic, determine_use_iv_cost_address,
285 determine_use_iv_cost_condition, determine_use_iv_costs,
286 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
287 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
288 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
289 Change type of cost to comp_cost.
290 (determine_iv_cost): Increase cost of non-original ivs, instead
291 of decreasing the cost of original ones.
292 (get_address_cost): Indicate the complexity of the addressing mode
294 (try_add_cand_for): Prefer using ivs not specific to some object.
295 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
297 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
298 Janis Johnson <janis187@us.ibm.com>
301 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
302 (TARGET_INSTANTIATE_DECLS): Likewise.
303 * target.h (expand_to_rtl_hook): New target hook.
304 (instantiate_decls): Likewise.
305 * function.c (instantiate_decl): Make non-static. Rename to...
306 (instantiate_decl_rtl): ... this.
307 (instantiate_expr): Use instantiate_decl_rtl.
308 (instantiate_decls_1): Likewise.
309 (instantiate_decls): Likewise.
310 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
311 * function.h (instantiate_decl_rtl): Add prototype.
312 * cfgexpand.c (target.h): New include.
313 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
314 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
315 (TARGET_INSTANTIATE_DECLS): Likewise.
316 (TARGET_INITIALIZER): New target hooks added.
317 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
319 * config/rs6000/rs6000.c (tree-flow.h): New include.
320 (machine_function): Add sdmode_stack_slot field.
321 (rs6000_alloc_sdmode_stack_slot): New function.
322 (rs6000_instantiate_decls): Likewise.
323 (rs6000_secondary_memory_needed_rtx): Likewise.
324 (rs6000_check_sdmode): Likewise.
325 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
326 (TARGET_INSTANTIATE_DECLS): Likewise.
327 (rs6000_hard_regno_mode_ok): Allow SDmode.
328 (num_insns_constant): Likewise. Handle _Decimal32 constants.
329 (rs6000_emit_move): Handle SDmode.
330 (function_arg_advance): Likewise.
331 (function_arg): Likewise.
332 (rs6000_gimplify_va_arg): Likewise. Add special handling of
333 SDmode var args for 32-bit compiles.
334 (rs6000_secondary_reload_class): Handle SDmode.
335 (rs6000_output_function_epilogue): Likewise.
336 (rs6000_function_value): Simplify if statement.
337 (rs6000_libcall_value): Likewise.
338 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
339 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
340 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
341 (movsd_hardfloat): New define_insn.
342 (movsd_softfloat): Likewise.
343 (movsd_store): Likewise.
344 (movsd_load): Likewise.
345 (extendsddd2): Likewise.
346 (extendsdtd2): Likewise.
347 (truncddsd2): Likewise.
348 (movdd_hardfloat64): Fixup comment.
349 (UNSPEC_MOVSD_LOAD): New constant.
350 (UNSPEC_MOVSD_STORE): Likewise.
352 2008-01-26 Jakub Jelinek <jakub@redhat.com>
355 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
357 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
358 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
359 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
362 2008-01-26 David Edelsohn <edelsohn@gnu.org>
365 * config.gcc: Separate AIX 5.3 from AIX 6.1.
366 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
368 * config/rs6000/aix61.h: New file.
370 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
372 PR rtl-optimization/34959
373 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
374 popcount and parity rtxes the same mode as their operand.
375 Truncate or extend the result to the return value's mode
378 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
381 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
382 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
383 to GOT_VERSION_REGNUM.
384 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
385 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
386 * config/mips/mips.c (mips_emit_call_insn): New function.
387 (mips_call_tls_get_addr): Call mips_expand_call directly.
388 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
390 (mips16_build_call_stub): Likewise. Return the call insn or null.
391 (mips_expand_call): Update the call to mips16_build_call_stub
392 accordingly and a remove redundant condition. Assert that MIPS16
393 stubs do not use lazy binding. Use mips_emit_call_insn and return
395 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
397 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
398 (mips_avoid_hazard): Remove hazard_set handling.
399 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
400 (UNSPEC_RESTORE_GP): ...this.
401 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
402 (FAKE_CALL_REGNO): Rename to...
403 (GOT_VERSION_REGNUM): ...this.
404 (type): Add "ghost" value. Add an associated insn reservation.
405 (hazard_set): Remove.
406 (exception_receiver): Rename to...
407 (restore_gp): ...this and update the unspec identifier accordingly.
408 (exception_receiver, nonlocal_got_receiver): New expanders.
409 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
410 FAKE_CALL_REGNO. Remove hazard_set attribute.
411 (set_got_version, update_got_version): New patterns.
413 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
416 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
418 2008-01-25 Joseph Myers <joseph@codesourcery.com>
421 * doc/install.texi2html: Generate gcc-vers.texi.
423 2008-01-25 DJ Delorie <dj@redhat.com>
425 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
427 2008-01-25 Joseph Myers <joseph@codesourcery.com>
429 * config/c4x: Remove directory.
430 * config.gcc (crx-*, mt-*): Mark obsolete.
431 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
432 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
433 sh-*-rtemscoff*): Remove cases.
434 * defaults.h (C4X_FLOAT_FORMAT): Remove.
435 * real.c (encode_c4x_single, decode_c4x_single,
436 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
437 c4x_extended_format): Remove.
438 * real.h (c4x_single_format, c4x_extended_format): Remove.
439 * doc/extend.texi (interrupt, naked): Remove mention of attributes
441 (Pragmas): Remove comment about c4x pragmas.
442 * doc/install.texi (c4x): Remove target-specific instructions.
443 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
444 * doc/md.texi (Machine Constraints): Remove C4x documentation.
445 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
446 refer to C4x source files as examples.
447 (C4X_FLOAT_FORMAT): Remove documentation.
449 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
451 * config/bfin/bfin.c (override_options): Reorder tests so that
452 flag_pic gets enabled for -msep-data.
454 2008-01-25 Richard Guenther <rguenther@suse.de>
457 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
458 to its bitfield precision if required.
460 2008-01-25 Jakub Jelinek <jakub@redhat.com>
463 * tree-nested.c (walk_omp_for): New function.
464 (convert_nonlocal_reference, convert_local_reference): Call
465 walk_omp_for on OMP_FOR.
466 (convert_call_expr): Call walk_body on OMP_FOR's
467 OMP_FOR_PRE_INIT_BODY.
469 2008-01-25 Richard Guenther <rguenther@suse.de>
471 PR tree-optimization/34966
472 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
473 default defs and PHI_NODEs we have to insert after the
476 2008-01-24 Nick Clifton <nickc@redhat.com>
478 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
479 Provide a default definition.
480 (LIBGCC2_UNITS_PER_WORD): Likewise.
482 * config/stormy16/stormy16.c: Include df.h for the prototype
483 for df_regs_ever_live_p.
484 (xstormy16_expand_builtin_va_start): Convert the stack offset
485 into a component_ref and then use POINTER_PLUS_EXPR to add it
486 to the incoming_virtual_args_rtx.
487 (xstormy16_gimplify_va_arg_expr): Rename to
488 xstormy16_gimplify_va_arg_expr.
489 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
490 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
491 xstormy16_gimplify_va_arg_expr.
492 Fix up some formatting issues.
494 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
495 Move to predicates.md.
496 (xs_hi_general_operand): Likewise.
497 (xs_hi_nonmemory_operand): Likewise.
498 * config/stormy16/predicates.md:
499 (xstormy16_carry_plus_operand): New predicate.
500 (xs_hi_general_operand): New predicate.
501 (xs_hi_nonmemory_operand): New predicate.
502 * config/stormy16/stormy16-protos.h:
503 (xstormy16_carry_plus_operand): Delete prototype.
504 (xs_hi_general_operand): Likewise.
505 (xs_hi_nonmemory_operand): Likewise.
507 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
508 modifiers as they are no longer needed and they can trigger
509 reload spill failures.
511 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
512 with a match_operand in order to help reload.
514 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
515 constraint with 'e' for the 8th alternative as this version of
516 the mov.w instruction only accepts the lower 8 registers.
518 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
521 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
522 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
525 2008-01-25 Jakub Jelinek <jakub@redhat.com>
528 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
530 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
532 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
534 (remove_structure): Update allocations list before removing structure.
536 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
538 * ipa-struct-reorg.c (is_safe_cond_expr,
539 create_new_stmts_for_cond_expr): Use integer_zerop function,
540 that recognize not only zero-pointer, but zero-integer too.
542 2008-01-25 Ben Elliston <bje@au.ibm.com>
545 * fixproto: Escape "." in sed expression that strips leading "./".
547 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
550 * gcc.c (SWITCH_OK): Removed.
551 (SWITCH_LIVE): Changed to bit.
552 (SWITCH_FALSE): Likewise.
553 (SWITCH_IGNORE): Likewise.
554 (switchstr): Change live_cond to unsigned int.
555 (process_command): Replace SWITCH_OK with 0.
556 (do_self_spec): Likewise.
557 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
558 (give_switch): Likewise.
559 (used_arg): Likewise.
560 (do_spec_1): Set the SWITCH_IGNORE bit.
561 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
562 bits. Set the SWITCH_LIVE bit.
564 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
566 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
568 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
570 PR tree-optimization/34472
571 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
572 parameter to a "bool *" and set *DATA to false if there is
573 an unsafe access. Do not delete the structure here.
574 (check_cond_exprs): Delete it here instead.
575 (check_cond_exprs, exclude_cold_structs): Do not increase
576 I when removing a structure.
578 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
581 * config/i386/i386.c (ix86_expand_vector_init): Consider only
582 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
584 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
587 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
588 a fixed vector for stack.
590 2008-01-24 Ben Elliston <bje@au.ibm.com>
593 * doc/gcc.texi (Software development): Add a direntry for g++.
595 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
597 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
598 stale and straggling -fforce-addr comments above.
600 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
602 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
603 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
605 2008-01-23 Michael Matz <matz@suse.de>
608 * dwarf2out.c (force_type_die): Use modified_type_die instead of
611 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
613 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
616 2008-01-23 Anatoly Sokolov <aesok@post.ru>
618 * config/avr/avr.c (avr_current_arch): New variable.
619 (avr_arch_types): Add 'avr31' and 'avr51' entries.
620 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
621 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
622 (avr_override_options): Init 'avr_current_arch'.
623 (base_arch_s): Move from here...
624 * config/avr/avr.h (base_arch_s): ... here. Add new members
625 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
626 'mega' to 'have_jmp_call'.
627 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
628 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
630 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
632 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
633 MULTILIB_MATCHES): (Ditto.).
635 2008-01-23 Richard Guenther <rguenther@suse.de>
638 * cgraphunit.c (cgraph_reset_node): Always mark the node
639 not reachable if it is not queued already.
641 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
643 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
644 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
645 (cputype_selected): New static variable.
646 (bfin_handle_option): Set it if -mcpu is used.
647 (override_option): Select default set of workarounds if no cpu type
648 selected on the command line.
649 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
651 From Michael Frysinger <michael.frysinger@analog.com>
652 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
653 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
655 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
656 for bf547, bf523, bf524, and bf526.
657 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
659 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
660 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
661 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
662 __ADSPBF547__ and __ADSPBF54x__ for bf547.
663 * doc/invoke.texi (Blackfin Options): Document that
664 -mcpu now accept bf547, bf523, bf524, and bf526.
666 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
668 PR rtl-optimization/34628
669 * combine.c (try_combine): Stop and undo after the first combination
670 if an autoincrement side-effect on the first insn has effectively
673 2008-01-22 David Edelsohn <edelsohn@gnu.org>
676 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
677 Offset addresses are not valid for Altivec or paired float modes.
679 2008-01-22 Jakub Jelinek <jakub@redhat.com>
682 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
683 if DECL_INITIAL (decl) is error_mark_node.
686 * c-common.c (handle_vector_size_attribute): Only allow
687 integral, scalar float and fixed point types. Handle OFFSET_TYPE
688 the same way as pointer, array etc. types.
689 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
692 * tree.c (build_type_attribute_qual_variant): Call
693 build_qualified_type if attributes are equal, but quals are not.
695 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
698 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
699 * flags.h (warn_strict_aliasing): Remove.
700 (warn_strict_overflow): Remove.
701 * opts.c (warn_strict_aliasing): Remove.
702 (warn_strict_overflow): Remove.
703 * c-opts.c (c_common_handle_option): -Wall only sets
704 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
705 (c_common_post_options): Give default values to -Wstrict-aliasing
706 and -Wstrict-overflow if they are uninitialized.
707 * common.opt (Wstrict-aliasing): Specify Var and Init.
708 (Wstrict-overflow): Likewise.
710 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
712 PR rtl-optimization/26854
713 PR rtl-optimization/34400
714 PR rtl-optimization/34884
715 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
717 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
718 (df_rd_bb_info.expanded_lr_out): Deleted
719 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
720 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
721 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
722 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
723 Removed code to allocate, initialize or free expanded_lr_out.
724 (df_rd_bb_local_compute_process_def): Restructured to make more
726 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
727 sets if the sets are being trimmed.
729 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
732 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
734 * configure: Regenerated.
736 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
739 * tree-pass.h (pass_build_alias): New pass.
740 * tree-ssa-alias.c (gate_build_alias): New.
741 (pass_build_alias): New.
742 * passes.c (init_optimization_passes): Add pass_build_alias after
743 pass_create_structure_vars.
745 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
747 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
748 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
749 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
750 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
751 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
752 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
753 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
754 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
755 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
756 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
757 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
758 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
759 * config/s390/s390.md (FP_ALL): New mode iterator.
760 (_d): New mode attribute.
761 ("*signbit<mode>2>"): Changed mode of first operand.
762 ("isinf<mode>2"): Changed mode of first operand.
763 ("*TDC_insn"): Adaptation for DFP modes.
765 2008-01-22 Ben Elliston <bje@au.ibm.com>
767 * tree.c (check_qualified_type): Improve function description.
769 2008-01-21 Jason Merrill <jason@redhat.com>
772 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
773 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
776 2008-01-21 DJ Delorie <dj@redhat.com>
778 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
781 2008-01-21 Richard Guenther <rguenther@suse.de>
784 * tree-cfg.c (verify_expr): Allow all invariant expressions
785 instead of just constant class ones as reference argument.
786 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
787 like any other constant.
788 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
790 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
792 * regmove.c (fixup_match_1): Update call crossed frequencies.
794 2008-01-21 Richard Guenther <rguenther@suse.de>
797 * tree-inline.c (setup_one_parameter): Deal with mismatched
798 types using a VIEW_CONVERT_EXPR.
800 2008-01-21 Alon Dayan <alond@il.ibm.com>
801 Olga Golovanevsky <olga@il.ibm.com>
803 PR tree-optimization/34701
804 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
805 when the structure size is not a power of 2.
807 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
809 * doc/install.texi: Add doc for --enable-checking=df.
811 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
813 PR rtl-optimization/34808
814 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
816 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
818 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
821 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
823 PR rtl-optimization/26854
824 PR rtl-optimization/34400
825 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
827 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
828 (df_rd_bb_info.expanded_lr_out): New.
829 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
830 * loop_iv.c (iv_analysis_loop_init): Ditto.
831 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
832 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
833 Added code to allocate, initialize or free expanded_lr_out.
834 (df_rd_bb_local_compute_process_def): Restructured to make
836 (df_rd_confluence_n): Add code to do nothing with fake edges and
837 code to no apply invalidate_by_call sets if the sets are being trimmed.
838 (df_lr_local_finalize): Renamed to df_lr_finalize.
839 (df_live_local_finalize): Renamed to df_live_finalize.
841 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
844 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
845 deciding whether to use reciprocal instructions.
847 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
849 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
850 dwarf2out_note_section_used if cold_text_section is NULL.
852 2008-01-19 Jakub Jelinek <jakub@redhat.com>
854 PR gcov-profile/34610
855 * tree-cfg.c (make_edges): Mark both outgoing edges from
856 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
857 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
858 from OMP_FOR and OMP_CONTINUE outgoing edges.
860 * tree-profile.c (tree_profiling): Return early if
861 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
863 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
864 from cfun to child_cfun.
865 * function.h (struct function): Add after_tree_profile bit.
867 2008-01-19 Anatoly Sokolov <aesok@post.ru>
869 * config/avr/avr.S (_exit): Disable interrupt.
871 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
872 Steven Bosscher <stevenb.gcc@gmail.com>
874 PR rtl-optimization/26854
875 PR rtl-optimization/34400
876 * df-problems.c (df_live_scratch): New scratch bitmap.
877 (df_live_alloc): Allocate df_live_scratch when doing df_live.
878 (df_live_reset): Clear the proper bitmaps.
879 (df_live_bb_local_compute): Only process the artificial defs once
880 since the order is not important.
881 (df_live_init): Init the df_live sets only with the variables
883 (df_live_transfer_function): Use the df_lr sets to prune the
884 df_live sets as they are being computed.
885 (df_live_free): Free df_live_scratch.
887 2008-01-18 Ian Lance Taylor <iant@google.com>
889 * common.opt: Add fmerge-debug-strings.
890 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
891 flag_merge_debug_strings rather than flag_merge_constants.
892 * doc/invoke.texi (Option Summary): Mention
893 -fmerge-debug-strings.
894 (Debugging Options): Document -fmerge-debug-strings.
896 2008-01-18 Ian Lance Taylor <iant@google.com>
899 * tree.h (DECL_IS_OPERATOR_NEW): Define.
900 (struct tree_function_decl): Add new field operator_new_flag.
901 * tree-inline.c (expand_call_inline): When inlining a call to
902 operator new, force the return value to go into a variable, and
903 set DECL_NO_TBAA_P on that variable.
904 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
906 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
909 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
910 DWARF2_DEBUGGING_INFO.
911 (dwarf2out_note_section_used): Ditto. Add prototype.
912 (have_multiple_function_sections, text_section_used,
913 cold_text_section_used, *cold_text_sections): Move declarations
916 2008-01-17 Bob Wilson <bob.wilson@acm.org>
918 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
919 field and add signal_ra.
920 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
921 assignments to frame state pc. Move end of stack check after
922 MD_FALLBACK_FRAME_STATE_FOR.
923 (uw_update_context_1): Use frame state signal_regs if set, instead
924 of checking signal_frame flag.
925 (uw_update_context): Use frame state signal_ra if set.
926 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
927 * config/xtensa/linux-unwind.h: New file.
929 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
931 * modulo-sched.c (get_sched_window): Fix comment typo.
933 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
935 PR tree-optimization/34648
936 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
938 2008-01-17 Anatoly Sokolov <aesok@post.ru>
940 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
941 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
943 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
945 PR rtl-optimization/34400
946 * df-core.c (df_worklist_dataflow_overeager,
947 df_worklist_dataflow_doublequeue): New functions.
948 (df_worklist_dataflow): Two different worklist solvers.
949 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
952 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
955 * doc/invoke.texi: Document the dependence on pthread for fopenmp
956 and ftree-parallelize-loops.
958 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
960 PR rtl-optimization/34826
961 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
963 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
965 * global.c (find_reg): Mark the eh regs as used if necessary.
966 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
967 * ra.h (struct allocno): no_eh_reg field added. Changed
968 no_stack_reg type to bitfield.
970 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
972 * tree.c (substitute_in_expr): Add missing 'break'.
974 2008-01-17 Richard Guenther <rguenther@suse.de>
976 PR tree-optimization/34825
977 * tree-ssa-math-opts.c (is_division_by): Do not recognize
978 x / x as division to handle.
980 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
982 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
983 "-pthread" is specified.
984 * pa-hpux11.h (LIB_SPEC): Likewise.
986 2008-01-16 Janis Johnson <janis187@us.ibm.com>
987 Peter Bergner <bergner@vnet.ibm.com>
989 PR rtl-optimization/33796
990 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
992 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
995 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
997 * pa-hpux10.h (LINK_SPEC): Likewise.
998 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1000 2008-01-16 Richard Guenther <rguenther@suse.de>
1003 * fold-const.c (fold_convert_const_int_from_int): Do not
1004 set overflow if that occured only because of a sign extension
1005 change when converting from/to a sizetype with the same
1006 precision and signedness.
1008 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1011 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1012 location address to the correct place. Update copyright year.
1014 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1016 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1017 no dependences in the dependence_relations vector.
1019 2008-01-16 Jan Hubicka <jh@suse.cz>
1021 PR rtl-optimization/31396
1022 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1023 * cfg.c (dump_reg_info): Print it.
1024 * regs.h (struct reg_info_t): add freq_calls_crossed.
1025 (REG_FREQ_CALLS_CROSSED): New macro.
1026 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1027 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1028 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1029 regmove_optimize): Update call crossed frequencies.
1030 * local-alloc.c (struct qty): Add freq_calls_crossed.
1031 (alloc_qty): Copute freq_calls_crossed.
1032 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1033 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1034 * ra.h (struct allocno): Add freq_calls_crossed.
1036 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1038 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1039 libgomp when compiling with ftree-parallelize-loops.
1040 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1042 2008-01-16 Richard Guenther <rguenther@suse.de>
1044 PR tree-optimization/34769
1045 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1046 * tree.c (int_cst_value): Instead make this function more
1047 permissive in what it accepts as valid input. Document this
1048 function always sign-extends the value.
1050 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1051 Richard Guenther <rguenther@suse.de>
1054 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1055 (gimple_fold_indirect_ref_rhs): ... this.
1056 (gimple_fold_indirect_ref): New function with foldings
1057 that preserve lvalueness.
1058 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1059 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1060 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1061 to fold an INDIRECT_REF, fall back to the old use of
1062 fold_indirect_ref_1.
1064 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1066 * tree-data-ref.c (subscript_dependence_tester_1): Call
1067 free_conflict_function.
1068 (compute_self_dependence): Same.
1070 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1073 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1074 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1076 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1077 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1078 for DWARF2_UNWIND_INFO targets.
1080 2008-01-16 Richard Guenther <rguenther@suse.de>
1083 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1084 type qualifiers for function types.
1086 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1088 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1089 loop_iterator li from previous commit.
1091 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1093 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1095 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1097 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1098 (parallelize_loops): Don't parallelize irreducible components.
1100 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1103 * c-opts (c_common_post_options): Do not enable CPP
1104 flag_pedantic_errors by default.
1106 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1108 PR rtl-optimization/31944
1109 * cse.c (remove_pseudo_from_table): New function.
1110 (merge_equiv_classes): Use above function to remove pseudo-registers.
1111 (invalidate): Likewise.
1113 2008-01-13 Richard Guenther <rguenther@suse.de>
1116 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1117 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1119 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1121 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1122 validate_change to unshare the source of the PC set.
1124 2008-01-12 Jan Hubicka <jh@suse.cz>
1127 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1128 references above array bounds. This might trigger bounds checks for
1131 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1133 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1134 new_replaceable_dependencies.
1136 2008-01-12 Doug Kwan <dougkwan@google.com>
1138 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1139 instead of OPT_Wreturn_type in warning due to ignored return type
1141 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1142 options included in -Wextra.
1143 * c.opt: New option -Wignored_qualifiers.
1144 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1145 -Wignore_qualifiers.
1146 (-Wignored-qualifiers): Document.
1147 (-Wreturn-type): Remove description of functionality now handled
1148 by -Wignored-qualifiers.
1150 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1153 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1154 NOP_EXPR if it is between integral types with the same precision.
1156 2008-01-12 Jan Hubicka <jh@suse.cz>
1159 * invoke.texi (max-inline-recursive-depth): Fix default value.
1161 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1163 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1166 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1168 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1170 2008-01-11 James E. Wilson <wilson@specifix.com>
1173 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1175 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1177 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1178 save/restore frame pointer register and don't use 'call-prologues'
1179 optimization in function with "OS_task" attribute.
1181 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1184 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1185 when copying to memory.
1187 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1189 PR rtl-optimization/30905
1190 * cfgcleanup.c: Include dce.h
1191 (crossjumps_occured): New global variable.
1192 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1193 If something changed, set crossjumps_occured to true.
1194 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1195 Don't add/remove fake edges to exit here...
1196 (cleanup_cfg): ...but do it here, when crossjumping.
1197 Run a fast DCE when successful crossjumps occured in the latest
1198 iteration of try_optimize_cfg.
1200 2008-01-11 Richard Guenther <rguenther@suse.de>
1202 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1203 (struct vn_unary_op_s): Likewise.
1204 (vn_reference_insert): Free old reference on hash collision.
1206 2008-01-10 Raksit Ashok <raksit@google.com>
1208 PR rtl-optimization/27971
1209 * combine.c (find_split_point): Split PLUS expressions which are
1210 inside a MEM rtx, and whose first operand is complex.
1212 2008-01-10 DJ Delorie <dj@redhat.com>
1214 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1215 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1216 (m32c_hard_regno_ok): Call the underlying function.
1218 2008-01-10 Richard Guenther <rguenther@suse.de>
1221 * tree-cfg.c (tree_merge_blocks): Do not go through the
1222 full-blown folding and stmt updating path if we just deal
1223 with virtual operands.
1224 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1225 test for abnormal SSA_NAMEs.
1227 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1230 * reload.c (push_reload): Add assertions. All constants from
1231 reg_equiv_constant should have been used for replacing the respective
1233 (find_reloads_address): Invoke find_reloads_address_part for
1234 constant taken from the reg_equiv_constant array.
1236 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1238 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1239 field (valnum) the first in the struct. Replace bools with
1242 2008-01-10 Richard Guenther <rguenther@suse.de>
1244 PR tree-optimization/34651
1245 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1246 types and ordering for masking and converting.
1248 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1250 PR tree-optimization/34017
1251 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1252 also for PHI_NODE expressions.
1254 2008-01-09 Jan Hubicka <jh@suse.cz>
1256 PR tree-optimization/34708
1257 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1258 based on number of case labels.
1259 (init_inline_once): Remove switch_cost.
1260 * tree-inline.h (eni_weights_d): Remove switch_cost.
1262 2008-01-09 Richard Guenther <rguenther@suse.de>
1263 Andrew Pinski <andrew_pinski@playstation.sony.com>
1266 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1267 temporary if an rvalue is ok or an lvalue is not required.
1269 2008-01-09 Richard Guenther <rguenther@suse.de>
1272 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1275 2008-01-09 Richard Guenther <rguenther@suse.de>
1278 * tree.c (host_integerp): Check for sizetype only if the
1279 type is an integer type.
1281 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1284 * opts.c (decode_options): Disable inlining of functions called
1285 once if not in unit-at-a-time mode.
1287 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1289 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1291 2008-01-08 Richard Guenther <rguenther@suse.de>
1294 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1295 out early if the result will be unused.
1297 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1302 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1303 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1306 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1308 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1309 for vectorization tuned.
1311 2008-01-08 Richard Guenther <rguenther@suse.de>
1313 PR tree-optimization/34683
1314 * tree-ssa-operands.c (operand_build_cmp): Export.
1315 * tree-ssa-operands.h (operand_build_cmp): Declare.
1316 * tree-vn.c (vuses_compare): Remove.
1317 (sort_vuses): Use operand_build_cmp.
1318 (sort_vuses_heap): Likewise.
1319 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1320 to re-use old VEC if available. Do not sort already sorted VUSEs.
1321 (vdefs_to_vec): Do not sort already sorted VDEFs.
1323 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1326 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1328 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1331 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1332 limitations of reciprocal sequences on x86 targets.
1334 2008-01-08 Richard Guenther <rguenther@suse.de>
1336 PR tree-optimization/34683
1337 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1339 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1342 * config/darwin.c (darwin_mergeable_string_section): Don't use
1343 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1345 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1348 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1349 negxf2. Macroize expander using X87MODEF mode iterator. Change
1350 predicates of op0 and op1 to register_operand.
1351 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1352 expander using X87MODEF mode iterator. Change predicates of
1353 op0 and op1 to register_operand.
1354 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1355 corresponding patterns and macroize using MODEF macro. Change
1356 predicates of op0 and op1 to register_operand and remove
1357 "m" constraint. Disparage "r" alternative with "!".
1358 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1359 macroize using X87MODEF macro. Change predicates of op0 and op1
1360 to register_operand and remove "m" constraint. Disparage "r"
1361 alternative with "!".
1362 (absneg splitter with memory operands): Remove.
1363 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1364 patterns and macroize using X87MODEF mode iterator.
1365 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1366 Change predicate of op1 to register_operand.
1367 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1368 for memory operands.
1370 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1372 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1374 2008-01-07 Richard Guenther <rguenther@suse.de>
1376 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1379 2008-01-07 Richard Guenther <rguenther@suse.de>
1381 PR tree-optimization/34683
1382 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1383 VOPs of the needed size to save memory. Use VEC_quick_push
1384 to save compile-time.
1385 (vdefs_to_vec): Likewise.
1387 2008-01-07 Sa Liu <saliu@de.ibm.com>
1389 * config/spu/spu.md (divdf3): Genetate inline code for double
1390 division. The implementation doesn't handle INF or NAN, therefore it
1391 only applies when -ffinite-math-only is given.
1393 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1396 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1397 * doc/cpp.texi ([Common Predefined Macros]): Document.
1399 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1401 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1402 order to use commutative addition instead of subtraction.
1404 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1405 Mircea Namolaru <namolaru@il.ibm.com>
1406 Vladimir Yanovsky <yanov@il.ibm.com>
1407 Revital Eres <eres@il.ibm.com>
1409 PR tree-optimization/34263
1410 * tree-outof-ssa.c (process_single_block_loop_latch,
1411 contains_tree_r): New functions.
1412 (analyze_edges_for_bb): Call process_single_block_loop_latch
1413 function to empty single-basic-block latch block if possible.
1415 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1417 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1419 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1421 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1423 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1425 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1427 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1429 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1431 PR tree-optimization/34618
1432 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1435 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1438 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1439 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1440 Update copyright year.
1442 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1443 Update copyright year.
1444 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1447 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1449 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1450 edge does not point to current bb before changing need_assert.
1452 2008-01-04 Richard Guenther <rguenther@suse.de>
1455 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1456 for verifying purposes if they are is_gimple_min_invariant.
1458 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1460 PR tree-optimization/34448
1461 PR tree-optimization/34465
1462 * gimplify.c (gimplify_init_constructor): Add new parameter
1463 notify_temp_creation. Use it.
1464 (gimplify_modify_expr_rhs): Take volatiles into account when
1465 optimizing constructors.
1466 Do not optimize constructors if gimplify_init_constructor will dump to
1468 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1469 * gcc.c-torture/compile/pr34448.c: New.
1471 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1473 PR gcov-profile/34609
1474 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1475 return_slot if result is TREE_ADDRESSABLE.
1477 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1479 * config/mips/mips.md (sqrt_condition): Tweak comment.
1480 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1482 2008-01-03 Tom Tromey <tromey@redhat.com>
1485 * c-common.c (c_type_hash): Handle VLAs.
1487 2008-01-03 Jan Hubicka <jh@suse.cz>
1489 PR tree-optimization/31081
1490 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1491 0 when inlining and not inlining to first basic block.
1492 (remap_decl): When var is initialized to 0, don't set default_def.
1493 (expand_call_inline): Set entry_bb.
1494 * tree-inline.h (copy_body_data): Add entry_bb.
1496 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1499 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1502 PR tree-optimization/29484
1503 * tree-inline.c (inline_forbidden_p_2): New function.
1504 (inline_forbidden_p): Disallow inlining if some static var
1505 has an address of a local LABEL_DECL in its initializer.
1506 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1509 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1511 PR tree-optimization/34635
1512 * tree-data-ref.c (add_other_self_distances): Make sure that the
1513 evolution step is constant.
1515 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1518 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1520 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1522 * tree-sra.c (scalarize_init): Insert the generate_element_init
1523 statements after the generate_element_zero statements.
1525 2008-01-02 Richard Guenther <rguenther@suse.de>
1529 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1530 for very large number of operands instead of ICEing.
1532 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1535 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1536 while stack probing.
1538 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1540 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1543 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1546 * tree-mudflap.c (mx_register_decls): Guard warning by
1547 !DECL_ARTIFICIAL check.
1549 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1551 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1552 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1553 sse5_perm<mode>): Fix constraints.