1 2008-02-04 Richard Guenther <rguenther@suse.de>
4 * expr.c (count_type_elements): Give for unions instead of
7 2008-02-04 Richard Guenther <rguenther@suse.de>
10 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
11 to TYPE_DOMAINs base type instead of using bitsizetype here.
13 2008-02-03 Jason Merrill <jason@redhat.com>
15 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
17 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
20 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
21 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
22 (RS/6000 and PowerPC Options): Fix typos and markup.
23 * doc/passes.texi (Tree-SSA passes): Likewise.
25 2008-02-02 Michael Matz <matz@suse.de>
28 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
29 from record_last_reg_set_info.
30 (record_last_reg_set_info): Take an RTX argument, iterate over all
32 (record_last_set_info, record_opr_changes): Change calls to
33 new signature or to record_last_reg_set_info_regno.
35 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
37 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
39 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
41 PR rtl-optimization/34773
42 * reg-notes.def (EQUAL): Mention significance of combination of
43 REG_EQUAL and REG_RETVAL.
44 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
45 insn that has a REG_RETVAL.
47 2008-02-01 Roger Sayle <roger@eyesopen.com>
50 * configure.ac (--enable-fixed-point): Disable unless explicitly
52 * configure: Regenerate.
54 2008-02-01 Richard Guenther <rguenther@suse.de>
57 * invoke.texi (-finline-limit): Remove no longer true parts
58 of the documentation. Note that there is no default value.
60 2008-02-01 Andrew Pinski <pinskia@gmail.com>
61 Mark Mitchell <mark@codesourcery.com>
62 Ben Elliston <bje@au.ibm.com>
65 * doc/extend.texi (Other Builtins): Document.
67 2008-01-31 Tom Browder <tom.browder@gmail.com>
69 * doc/c-tree.texi (Types): Fix grammar.
70 (Expression trees): Ditto.
71 * doc/passes.texi (Tree-SSA passes): Ditto.
73 * doc/configterms.texi (Configure Terms): Fix typo.
74 * doc/cpp.texi (Common Predefined Macros): Ditto.
75 * doc/md.texi (Machine Constraints): Ditto.
77 * doc/makefile.texi (Makefile): Add comma.
79 2008-01-31 Tom Browder <tom.browder@gmail.com>
80 Gerald Pfeifer <gerald@pfeifer.com>
82 * doc/sourcebuild.texi (Front End): Remove references to CVS
84 (Texinfo Manuals): Replace reference to CVS by one to SVN.
85 (Back End): Remove reference to CVS.
87 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
90 * config/mips/mips.c (gen_load_const_gp): New function, taking a
92 (mips16_gp_pseudo_reg): ...here.
93 * config/mips/mips.md (load_const_gp): Replace with...
94 (load_const_gp_<mode>): ...this :P-based insn.
96 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
98 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
100 (-std): Move reference to standards closer to where language
101 standards are first mentioned.
103 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
105 PR rtl-optimization/34995
106 * reload.c (alternative_allows_const_pool_ref): Take an rtx
107 parameter and return a bool. If the rtx parameter is nonnull,
108 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
109 (find_reloads): Update call accordingly. Pass the new operand
110 if it needed no address reloads, otherwise pass null.
112 2008-01-30 Richard Henderson <rth@redhat.com>
115 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
116 for unbounded arrays.
118 2008-01-30 Silvius Rus <rus@google.com>
120 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
122 2008-01-30 Jan Hubicka <jh@suse.cz>
125 * i386.c (init_cumulative_args): Use real function declaration when
128 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
130 PR rtl-optimization/34998
131 * global.c (build_insn_chain): Treat non-subreg_lowpart
132 SUBREGs of pseudos as clobbering all the words covered by the
133 SUBREG, not just all the bytes.
134 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
135 original df_ref rather than an extract parameter.
136 (global_conflicts): Update call accordingly.
138 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
140 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
141 the overflow check to make it easier to read.
142 (__fixtfdi): Change the type of the ll member in union
143 long_double to UDItype_x.
145 2008-01-30 Jakub Jelinek <jakub@redhat.com>
148 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
149 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
150 * tree-inline.c (fold_marked_statements): Call
151 cgraph_update_edges_for_call_stmt if folding a call statement.
152 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
153 debug_generic_stmt calls, reset it back afterwards.
156 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
158 * c-typeck.c (build_external_ref): Don't pedwarn about
159 static vars in current function's scope.
161 2008-01-29 Joseph Myers <joseph@codesourcery.com>
163 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
165 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
168 * ipa-struct-reorg.c: Fix spelling.
171 2008-01-29 Richard Guenther <rguenther@suse.de>
174 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
176 * tree-inline.c (remap_type): Increment remapping_type_depth
177 around remapping types.
178 (copy_body_r): Only add referenced variables if they are referenced
179 from code, not types.
181 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
192 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
193 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
195 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
198 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
199 pointer for tiny stack.
201 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
203 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
205 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
207 * config/vx-common.h: Fix typo in comment.
209 2008-01-28 Ian Lance Taylor <iant@google.com>
213 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
214 coalesce pointers if they have different DECL_NO_TBAA_P values.
215 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
216 between variables with different DECL_NO_TBAA_P values.
218 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
221 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
222 are not legitimate small data references on SPE targets.
224 2008-01-28 David Daney <ddaney@avtrex.com>
226 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
228 2008-01-28 David Daney <ddaney@avtrex.com>
230 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
232 2008-01-27 Joseph Myers <joseph@codesourcery.com>
234 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
235 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
236 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
237 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
238 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
239 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
240 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
241 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
243 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
245 * basic-block.h (condjump_equiv_p): Fix comment.
247 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
249 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
250 print_generic_stmt_indented): Fix comment.
252 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
254 * configure.ac (__stack_chk_fail): Add detecion for availability
255 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
256 * configure: Regenerate.
258 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
261 * final.c (output_addr_const): Handle TRUNCATE.
263 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
266 * tree-ssa-loop-ivopts.c (comp_cost): New type.
267 (zero_cost, infinite_cost): New constants.
268 (struct cost_pair): Change type of cost to comp_cost.
269 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
270 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
272 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
273 split_address_cost, ptr_difference_cost, difference_cost,
274 get_computation_cost_at, get_computation_cost,
275 determine_use_iv_cost_generic, determine_use_iv_cost_address,
276 determine_use_iv_cost_condition, determine_use_iv_costs,
277 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
278 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
279 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
280 Change type of cost to comp_cost.
281 (determine_iv_cost): Increase cost of non-original ivs, instead
282 of decreasing the cost of original ones.
283 (get_address_cost): Indicate the complexity of the addressing mode
285 (try_add_cand_for): Prefer using ivs not specific to some object.
286 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
288 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
289 Janis Johnson <janis187@us.ibm.com>
292 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
293 (TARGET_INSTANTIATE_DECLS): Likewise.
294 * target.h (expand_to_rtl_hook): New target hook.
295 (instantiate_decls): Likewise.
296 * function.c (instantiate_decl): Make non-static. Rename to...
297 (instantiate_decl_rtl): ... this.
298 (instantiate_expr): Use instantiate_decl_rtl.
299 (instantiate_decls_1): Likewise.
300 (instantiate_decls): Likewise.
301 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
302 * function.h (instantiate_decl_rtl): Add prototype.
303 * cfgexpand.c (target.h): New include.
304 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
305 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
306 (TARGET_INSTANTIATE_DECLS): Likewise.
307 (TARGET_INITIALIZER): New target hooks added.
308 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
310 * config/rs6000/rs6000.c (tree-flow.h): New include.
311 (machine_function): Add sdmode_stack_slot field.
312 (rs6000_alloc_sdmode_stack_slot): New function.
313 (rs6000_instantiate_decls): Likewise.
314 (rs6000_secondary_memory_needed_rtx): Likewise.
315 (rs6000_check_sdmode): Likewise.
316 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
317 (TARGET_INSTANTIATE_DECLS): Likewise.
318 (rs6000_hard_regno_mode_ok): Allow SDmode.
319 (num_insns_constant): Likewise. Handle _Decimal32 constants.
320 (rs6000_emit_move): Handle SDmode.
321 (function_arg_advance): Likewise.
322 (function_arg): Likewise.
323 (rs6000_gimplify_va_arg): Likewise. Add special handling of
324 SDmode var args for 32-bit compiles.
325 (rs6000_secondary_reload_class): Handle SDmode.
326 (rs6000_output_function_epilogue): Likewise.
327 (rs6000_function_value): Simplify if statement.
328 (rs6000_libcall_value): Likewise.
329 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
330 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
331 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
332 (movsd_hardfloat): New define_insn.
333 (movsd_softfloat): Likewise.
334 (movsd_store): Likewise.
335 (movsd_load): Likewise.
336 (extendsddd2): Likewise.
337 (extendsdtd2): Likewise.
338 (truncddsd2): Likewise.
339 (movdd_hardfloat64): Fixup comment.
340 (UNSPEC_MOVSD_LOAD): New constant.
341 (UNSPEC_MOVSD_STORE): Likewise.
343 2008-01-26 Jakub Jelinek <jakub@redhat.com>
346 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
348 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
349 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
350 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
353 2008-01-26 David Edelsohn <edelsohn@gnu.org>
356 * config.gcc: Separate AIX 5.3 from AIX 6.1.
357 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
359 * config/rs6000/aix61.h: New file.
361 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
363 PR rtl-optimization/34959
364 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
365 popcount and parity rtxes the same mode as their operand.
366 Truncate or extend the result to the return value's mode
369 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
372 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
373 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
374 to GOT_VERSION_REGNUM.
375 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
376 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
377 * config/mips/mips.c (mips_emit_call_insn): New function.
378 (mips_call_tls_get_addr): Call mips_expand_call directly.
379 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
381 (mips16_build_call_stub): Likewise. Return the call insn or null.
382 (mips_expand_call): Update the call to mips16_build_call_stub
383 accordingly and a remove redundant condition. Assert that MIPS16
384 stubs do not use lazy binding. Use mips_emit_call_insn and return
386 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
388 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
389 (mips_avoid_hazard): Remove hazard_set handling.
390 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
391 (UNSPEC_RESTORE_GP): ...this.
392 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
393 (FAKE_CALL_REGNO): Rename to...
394 (GOT_VERSION_REGNUM): ...this.
395 (type): Add "ghost" value. Add an associated insn reservation.
396 (hazard_set): Remove.
397 (exception_receiver): Rename to...
398 (restore_gp): ...this and update the unspec identifier accordingly.
399 (exception_receiver, nonlocal_got_receiver): New expanders.
400 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
401 FAKE_CALL_REGNO. Remove hazard_set attribute.
402 (set_got_version, update_got_version): New patterns.
404 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
407 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
409 2008-01-25 Joseph Myers <joseph@codesourcery.com>
412 * doc/install.texi2html: Generate gcc-vers.texi.
414 2008-01-25 DJ Delorie <dj@redhat.com>
416 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
418 2008-01-25 Joseph Myers <joseph@codesourcery.com>
420 * config/c4x: Remove directory.
421 * config.gcc (crx-*, mt-*): Mark obsolete.
422 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
423 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
424 sh-*-rtemscoff*): Remove cases.
425 * defaults.h (C4X_FLOAT_FORMAT): Remove.
426 * real.c (encode_c4x_single, decode_c4x_single,
427 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
428 c4x_extended_format): Remove.
429 * real.h (c4x_single_format, c4x_extended_format): Remove.
430 * doc/extend.texi (interrupt, naked): Remove mention of attributes
432 (Pragmas): Remove comment about c4x pragmas.
433 * doc/install.texi (c4x): Remove target-specific instructions.
434 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
435 * doc/md.texi (Machine Constraints): Remove C4x documentation.
436 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
437 refer to C4x source files as examples.
438 (C4X_FLOAT_FORMAT): Remove documentation.
440 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
442 * config/bfin/bfin.c (override_options): Reorder tests so that
443 flag_pic gets enabled for -msep-data.
445 2008-01-25 Richard Guenther <rguenther@suse.de>
448 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
449 to its bitfield precision if required.
451 2008-01-25 Jakub Jelinek <jakub@redhat.com>
454 * tree-nested.c (walk_omp_for): New function.
455 (convert_nonlocal_reference, convert_local_reference): Call
456 walk_omp_for on OMP_FOR.
457 (convert_call_expr): Call walk_body on OMP_FOR's
458 OMP_FOR_PRE_INIT_BODY.
460 2008-01-25 Richard Guenther <rguenther@suse.de>
462 PR tree-optimization/34966
463 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
464 default defs and PHI_NODEs we have to insert after the
467 2008-01-24 Nick Clifton <nickc@redhat.com>
469 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
470 Provide a default definition.
471 (LIBGCC2_UNITS_PER_WORD): Likewise.
473 * config/stormy16/stormy16.c: Include df.h for the prototype
474 for df_regs_ever_live_p.
475 (xstormy16_expand_builtin_va_start): Convert the stack offset
476 into a component_ref and then use POINTER_PLUS_EXPR to add it
477 to the incoming_virtual_args_rtx.
478 (xstormy16_gimplify_va_arg_expr): Rename to
479 xstormy16_gimplify_va_arg_expr.
480 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
481 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
482 xstormy16_gimplify_va_arg_expr.
483 Fix up some formatting issues.
485 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
486 Move to predicates.md.
487 (xs_hi_general_operand): Likewise.
488 (xs_hi_nonmemory_operand): Likewise.
489 * config/stormy16/predicates.md:
490 (xstormy16_carry_plus_operand): New predicate.
491 (xs_hi_general_operand): New predicate.
492 (xs_hi_nonmemory_operand): New predicate.
493 * config/stormy16/stormy16-protos.h:
494 (xstormy16_carry_plus_operand): Delete prototype.
495 (xs_hi_general_operand): Likewise.
496 (xs_hi_nonmemory_operand): Likewise.
498 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
499 modifiers as they are no longer needed and they can trigger
500 reload spill failures.
502 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
503 with a match_operand in order to help reload.
505 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
506 constraint with 'e' for the 8th alternative as this version of
507 the mov.w instruction only accepts the lower 8 registers.
509 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
512 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
513 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
516 2008-01-25 Jakub Jelinek <jakub@redhat.com>
519 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
521 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
523 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
525 (remove_structure): Update allocations list before removing structure.
527 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
529 * ipa-struct-reorg.c (is_safe_cond_expr,
530 create_new_stmts_for_cond_expr): Use integer_zerop function,
531 that recognize not only zero-pointer, but zero-integer too.
533 2008-01-25 Ben Elliston <bje@au.ibm.com>
536 * fixproto: Escape "." in sed expression that strips leading "./".
538 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
541 * gcc.c (SWITCH_OK): Removed.
542 (SWITCH_LIVE): Changed to bit.
543 (SWITCH_FALSE): Likewise.
544 (SWITCH_IGNORE): Likewise.
545 (switchstr): Change live_cond to unsigned int.
546 (process_command): Replace SWITCH_OK with 0.
547 (do_self_spec): Likewise.
548 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
549 (give_switch): Likewise.
550 (used_arg): Likewise.
551 (do_spec_1): Set the SWITCH_IGNORE bit.
552 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
553 bits. Set the SWITCH_LIVE bit.
555 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
557 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
559 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
561 PR tree-optimization/34472
562 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
563 parameter to a "bool *" and set *DATA to false if there is
564 an unsafe access. Do not delete the structure here.
565 (check_cond_exprs): Delete it here instead.
566 (check_cond_exprs, exclude_cold_structs): Do not increase
567 I when removing a structure.
569 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
572 * config/i386/i386.c (ix86_expand_vector_init): Consider only
573 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
575 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
578 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
579 a fixed vector for stack.
581 2008-01-24 Ben Elliston <bje@au.ibm.com>
584 * doc/gcc.texi (Software development): Add a direntry for g++.
586 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
588 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
589 stale and straggling -fforce-addr comments above.
591 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
593 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
594 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
596 2008-01-23 Michael Matz <matz@suse.de>
599 * dwarf2out.c (force_type_die): Use modified_type_die instead of
602 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
604 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
607 2008-01-23 Anatoly Sokolov <aesok@post.ru>
609 * config/avr/avr.c (avr_current_arch): New variable.
610 (avr_arch_types): Add 'avr31' and 'avr51' entries.
611 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
612 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
613 (avr_override_options): Init 'avr_current_arch'.
614 (base_arch_s): Move from here...
615 * config/avr/avr.h (base_arch_s): ... here. Add new members
616 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
617 'mega' to 'have_jmp_call'.
618 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
619 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
621 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
623 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
624 MULTILIB_MATCHES): (Ditto.).
626 2008-01-23 Richard Guenther <rguenther@suse.de>
629 * cgraphunit.c (cgraph_reset_node): Always mark the node
630 not reachable if it is not queued already.
632 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
634 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
635 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
636 (cputype_selected): New static variable.
637 (bfin_handle_option): Set it if -mcpu is used.
638 (override_option): Select default set of workarounds if no cpu type
639 selected on the command line.
640 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
642 From Michael Frysinger <michael.frysinger@analog.com>
643 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
644 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
646 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
647 for bf547, bf523, bf524, and bf526.
648 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
650 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
651 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
652 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
653 __ADSPBF547__ and __ADSPBF54x__ for bf547.
654 * doc/invoke.texi (Blackfin Options): Document that
655 -mcpu now accept bf547, bf523, bf524, and bf526.
657 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
659 PR rtl-optimization/34628
660 * combine.c (try_combine): Stop and undo after the first combination
661 if an autoincrement side-effect on the first insn has effectively
664 2008-01-22 David Edelsohn <edelsohn@gnu.org>
667 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
668 Offset addresses are not valid for Altivec or paired float modes.
670 2008-01-22 Jakub Jelinek <jakub@redhat.com>
673 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
674 if DECL_INITIAL (decl) is error_mark_node.
677 * c-common.c (handle_vector_size_attribute): Only allow
678 integral, scalar float and fixed point types. Handle OFFSET_TYPE
679 the same way as pointer, array etc. types.
680 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
683 * tree.c (build_type_attribute_qual_variant): Call
684 build_qualified_type if attributes are equal, but quals are not.
686 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
689 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
690 * flags.h (warn_strict_aliasing): Remove.
691 (warn_strict_overflow): Remove.
692 * opts.c (warn_strict_aliasing): Remove.
693 (warn_strict_overflow): Remove.
694 * c-opts.c (c_common_handle_option): -Wall only sets
695 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
696 (c_common_post_options): Give default values to -Wstrict-aliasing
697 and -Wstrict-overflow if they are uninitialized.
698 * common.opt (Wstrict-aliasing): Specify Var and Init.
699 (Wstrict-overflow): Likewise.
701 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
703 PR rtl-optimization/26854
704 PR rtl-optimization/34400
705 PR rtl-optimization/34884
706 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
708 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
709 (df_rd_bb_info.expanded_lr_out): Deleted
710 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
711 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
712 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
713 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
714 Removed code to allocate, initialize or free expanded_lr_out.
715 (df_rd_bb_local_compute_process_def): Restructured to make more
717 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
718 sets if the sets are being trimmed.
720 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
723 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
725 * configure: Regenerated.
727 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
730 * tree-pass.h (pass_build_alias): New pass.
731 * tree-ssa-alias.c (gate_build_alias): New.
732 (pass_build_alias): New.
733 * passes.c (init_optimization_passes): Add pass_build_alias after
734 pass_create_structure_vars.
736 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
738 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
739 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
740 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
741 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
742 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
743 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
744 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
745 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
746 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
747 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
748 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
749 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
750 * config/s390/s390.md (FP_ALL): New mode iterator.
751 (_d): New mode attribute.
752 ("*signbit<mode>2>"): Changed mode of first operand.
753 ("isinf<mode>2"): Changed mode of first operand.
754 ("*TDC_insn"): Adaptation for DFP modes.
756 2008-01-22 Ben Elliston <bje@au.ibm.com>
758 * tree.c (check_qualified_type): Improve function description.
760 2008-01-21 Jason Merrill <jason@redhat.com>
763 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
764 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
767 2008-01-21 DJ Delorie <dj@redhat.com>
769 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
772 2008-01-21 Richard Guenther <rguenther@suse.de>
775 * tree-cfg.c (verify_expr): Allow all invariant expressions
776 instead of just constant class ones as reference argument.
777 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
778 like any other constant.
779 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
781 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
783 * regmove.c (fixup_match_1): Update call crossed frequencies.
785 2008-01-21 Richard Guenther <rguenther@suse.de>
788 * tree-inline.c (setup_one_parameter): Deal with mismatched
789 types using a VIEW_CONVERT_EXPR.
791 2008-01-21 Alon Dayan <alond@il.ibm.com>
792 Olga Golovanevsky <olga@il.ibm.com>
794 PR tree-optimization/34701
795 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
796 when the structure size is not a power of 2.
798 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
800 * doc/install.texi: Add doc for --enable-checking=df.
802 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
804 PR rtl-optimization/34808
805 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
807 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
809 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
812 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
814 PR rtl-optimization/26854
815 PR rtl-optimization/34400
816 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
818 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
819 (df_rd_bb_info.expanded_lr_out): New.
820 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
821 * loop_iv.c (iv_analysis_loop_init): Ditto.
822 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
823 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
824 Added code to allocate, initialize or free expanded_lr_out.
825 (df_rd_bb_local_compute_process_def): Restructured to make
827 (df_rd_confluence_n): Add code to do nothing with fake edges and
828 code to no apply invalidate_by_call sets if the sets are being trimmed.
829 (df_lr_local_finalize): Renamed to df_lr_finalize.
830 (df_live_local_finalize): Renamed to df_live_finalize.
832 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
835 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
836 deciding whether to use reciprocal instructions.
838 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
840 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
841 dwarf2out_note_section_used if cold_text_section is NULL.
843 2008-01-19 Jakub Jelinek <jakub@redhat.com>
845 PR gcov-profile/34610
846 * tree-cfg.c (make_edges): Mark both outgoing edges from
847 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
848 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
849 from OMP_FOR and OMP_CONTINUE outgoing edges.
851 * tree-profile.c (tree_profiling): Return early if
852 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
854 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
855 from cfun to child_cfun.
856 * function.h (struct function): Add after_tree_profile bit.
858 2008-01-19 Anatoly Sokolov <aesok@post.ru>
860 * config/avr/avr.S (_exit): Disable interrupt.
862 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
863 Steven Bosscher <stevenb.gcc@gmail.com>
865 PR rtl-optimization/26854
866 PR rtl-optimization/34400
867 * df-problems.c (df_live_scratch): New scratch bitmap.
868 (df_live_alloc): Allocate df_live_scratch when doing df_live.
869 (df_live_reset): Clear the proper bitmaps.
870 (df_live_bb_local_compute): Only process the artificial defs once
871 since the order is not important.
872 (df_live_init): Init the df_live sets only with the variables
874 (df_live_transfer_function): Use the df_lr sets to prune the
875 df_live sets as they are being computed.
876 (df_live_free): Free df_live_scratch.
878 2008-01-18 Ian Lance Taylor <iant@google.com>
880 * common.opt: Add fmerge-debug-strings.
881 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
882 flag_merge_debug_strings rather than flag_merge_constants.
883 * doc/invoke.texi (Option Summary): Mention
884 -fmerge-debug-strings.
885 (Debugging Options): Document -fmerge-debug-strings.
887 2008-01-18 Ian Lance Taylor <iant@google.com>
890 * tree.h (DECL_IS_OPERATOR_NEW): Define.
891 (struct tree_function_decl): Add new field operator_new_flag.
892 * tree-inline.c (expand_call_inline): When inlining a call to
893 operator new, force the return value to go into a variable, and
894 set DECL_NO_TBAA_P on that variable.
895 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
897 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
900 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
901 DWARF2_DEBUGGING_INFO.
902 (dwarf2out_note_section_used): Ditto. Add prototype.
903 (have_multiple_function_sections, text_section_used,
904 cold_text_section_used, *cold_text_sections): Move declarations
907 2008-01-17 Bob Wilson <bob.wilson@acm.org>
909 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
910 field and add signal_ra.
911 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
912 assignments to frame state pc. Move end of stack check after
913 MD_FALLBACK_FRAME_STATE_FOR.
914 (uw_update_context_1): Use frame state signal_regs if set, instead
915 of checking signal_frame flag.
916 (uw_update_context): Use frame state signal_ra if set.
917 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
918 * config/xtensa/linux-unwind.h: New file.
920 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
922 * modulo-sched.c (get_sched_window): Fix comment typo.
924 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
926 PR tree-optimization/34648
927 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
929 2008-01-17 Anatoly Sokolov <aesok@post.ru>
931 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
932 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
934 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
936 PR rtl-optimization/34400
937 * df-core.c (df_worklist_dataflow_overeager,
938 df_worklist_dataflow_doublequeue): New functions.
939 (df_worklist_dataflow): Two different worklist solvers.
940 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
943 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
946 * doc/invoke.texi: Document the dependence on pthread for fopenmp
947 and ftree-parallelize-loops.
949 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
951 PR rtl-optimization/34826
952 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
954 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
956 * global.c (find_reg): Mark the eh regs as used if necessary.
957 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
958 * ra.h (struct allocno): no_eh_reg field added. Changed
959 no_stack_reg type to bitfield.
961 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
963 * tree.c (substitute_in_expr): Add missing 'break'.
965 2008-01-17 Richard Guenther <rguenther@suse.de>
967 PR tree-optimization/34825
968 * tree-ssa-math-opts.c (is_division_by): Do not recognize
969 x / x as division to handle.
971 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
973 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
974 "-pthread" is specified.
975 * pa-hpux11.h (LIB_SPEC): Likewise.
977 2008-01-16 Janis Johnson <janis187@us.ibm.com>
978 Peter Bergner <bergner@vnet.ibm.com>
980 PR rtl-optimization/33796
981 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
983 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
986 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
988 * pa-hpux10.h (LINK_SPEC): Likewise.
989 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
991 2008-01-16 Richard Guenther <rguenther@suse.de>
994 * fold-const.c (fold_convert_const_int_from_int): Do not
995 set overflow if that occured only because of a sign extension
996 change when converting from/to a sizetype with the same
997 precision and signedness.
999 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1002 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1003 location address to the correct place. Update copyright year.
1005 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1007 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1008 no dependences in the dependence_relations vector.
1010 2008-01-16 Jan Hubicka <jh@suse.cz>
1012 PR rtl-optimization/31396
1013 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1014 * cfg.c (dump_reg_info): Print it.
1015 * regs.h (struct reg_info_t): add freq_calls_crossed.
1016 (REG_FREQ_CALLS_CROSSED): New macro.
1017 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1018 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1019 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1020 regmove_optimize): Update call crossed frequencies.
1021 * local-alloc.c (struct qty): Add freq_calls_crossed.
1022 (alloc_qty): Copute freq_calls_crossed.
1023 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1024 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1025 * ra.h (struct allocno): Add freq_calls_crossed.
1027 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1029 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1030 libgomp when compiling with ftree-parallelize-loops.
1031 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1033 2008-01-16 Richard Guenther <rguenther@suse.de>
1035 PR tree-optimization/34769
1036 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1037 * tree.c (int_cst_value): Instead make this function more
1038 permissive in what it accepts as valid input. Document this
1039 function always sign-extends the value.
1041 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1042 Richard Guenther <rguenther@suse.de>
1045 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1046 (gimple_fold_indirect_ref_rhs): ... this.
1047 (gimple_fold_indirect_ref): New function with foldings
1048 that preserve lvalueness.
1049 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1050 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1051 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1052 to fold an INDIRECT_REF, fall back to the old use of
1053 fold_indirect_ref_1.
1055 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1057 * tree-data-ref.c (subscript_dependence_tester_1): Call
1058 free_conflict_function.
1059 (compute_self_dependence): Same.
1061 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1064 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1065 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1067 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1068 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1069 for DWARF2_UNWIND_INFO targets.
1071 2008-01-16 Richard Guenther <rguenther@suse.de>
1074 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1075 type qualifiers for function types.
1077 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1079 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1080 loop_iterator li from previous commit.
1082 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1084 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1086 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1088 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1089 (parallelize_loops): Don't parallelize irreducible components.
1091 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1094 * c-opts (c_common_post_options): Do not enable CPP
1095 flag_pedantic_errors by default.
1097 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1099 PR rtl-optimization/31944
1100 * cse.c (remove_pseudo_from_table): New function.
1101 (merge_equiv_classes): Use above function to remove pseudo-registers.
1102 (invalidate): Likewise.
1104 2008-01-13 Richard Guenther <rguenther@suse.de>
1107 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1108 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1110 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1112 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1113 validate_change to unshare the source of the PC set.
1115 2008-01-12 Jan Hubicka <jh@suse.cz>
1118 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1119 references above array bounds. This might trigger bounds checks for
1122 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1124 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1125 new_replaceable_dependencies.
1127 2008-01-12 Doug Kwan <dougkwan@google.com>
1129 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1130 instead of OPT_Wreturn_type in warning due to ignored return type
1132 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1133 options included in -Wextra.
1134 * c.opt: New option -Wignored_qualifiers.
1135 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1136 -Wignore_qualifiers.
1137 (-Wignored-qualifiers): Document.
1138 (-Wreturn-type): Remove description of functionality now handled
1139 by -Wignored-qualifiers.
1141 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1144 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1145 NOP_EXPR if it is between integral types with the same precision.
1147 2008-01-12 Jan Hubicka <jh@suse.cz>
1150 * invoke.texi (max-inline-recursive-depth): Fix default value.
1152 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1154 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1157 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1159 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1161 2008-01-11 James E. Wilson <wilson@specifix.com>
1164 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1166 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1168 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1169 save/restore frame pointer register and don't use 'call-prologues'
1170 optimization in function with "OS_task" attribute.
1172 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1175 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1176 when copying to memory.
1178 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1180 PR rtl-optimization/30905
1181 * cfgcleanup.c: Include dce.h
1182 (crossjumps_occured): New global variable.
1183 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1184 If something changed, set crossjumps_occured to true.
1185 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1186 Don't add/remove fake edges to exit here...
1187 (cleanup_cfg): ...but do it here, when crossjumping.
1188 Run a fast DCE when successful crossjumps occured in the latest
1189 iteration of try_optimize_cfg.
1191 2008-01-11 Richard Guenther <rguenther@suse.de>
1193 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1194 (struct vn_unary_op_s): Likewise.
1195 (vn_reference_insert): Free old reference on hash collision.
1197 2008-01-10 Raksit Ashok <raksit@google.com>
1199 PR rtl-optimization/27971
1200 * combine.c (find_split_point): Split PLUS expressions which are
1201 inside a MEM rtx, and whose first operand is complex.
1203 2008-01-10 DJ Delorie <dj@redhat.com>
1205 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1206 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1207 (m32c_hard_regno_ok): Call the underlying function.
1209 2008-01-10 Richard Guenther <rguenther@suse.de>
1212 * tree-cfg.c (tree_merge_blocks): Do not go through the
1213 full-blown folding and stmt updating path if we just deal
1214 with virtual operands.
1215 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1216 test for abnormal SSA_NAMEs.
1218 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1221 * reload.c (push_reload): Add assertions. All constants from
1222 reg_equiv_constant should have been used for replacing the respective
1224 (find_reloads_address): Invoke find_reloads_address_part for
1225 constant taken from the reg_equiv_constant array.
1227 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1229 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1230 field (valnum) the first in the struct. Replace bools with
1233 2008-01-10 Richard Guenther <rguenther@suse.de>
1235 PR tree-optimization/34651
1236 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1237 types and ordering for masking and converting.
1239 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1241 PR tree-optimization/34017
1242 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1243 also for PHI_NODE expressions.
1245 2008-01-09 Jan Hubicka <jh@suse.cz>
1247 PR tree-optimization/34708
1248 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1249 based on number of case labels.
1250 (init_inline_once): Remove switch_cost.
1251 * tree-inline.h (eni_weights_d): Remove switch_cost.
1253 2008-01-09 Richard Guenther <rguenther@suse.de>
1254 Andrew Pinski <andrew_pinski@playstation.sony.com>
1257 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1258 temporary if an rvalue is ok or an lvalue is not required.
1260 2008-01-09 Richard Guenther <rguenther@suse.de>
1263 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1266 2008-01-09 Richard Guenther <rguenther@suse.de>
1269 * tree.c (host_integerp): Check for sizetype only if the
1270 type is an integer type.
1272 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1275 * opts.c (decode_options): Disable inlining of functions called
1276 once if not in unit-at-a-time mode.
1278 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1280 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1282 2008-01-08 Richard Guenther <rguenther@suse.de>
1285 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1286 out early if the result will be unused.
1288 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1293 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1294 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1297 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1299 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1300 for vectorization tuned.
1302 2008-01-08 Richard Guenther <rguenther@suse.de>
1304 PR tree-optimization/34683
1305 * tree-ssa-operands.c (operand_build_cmp): Export.
1306 * tree-ssa-operands.h (operand_build_cmp): Declare.
1307 * tree-vn.c (vuses_compare): Remove.
1308 (sort_vuses): Use operand_build_cmp.
1309 (sort_vuses_heap): Likewise.
1310 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1311 to re-use old VEC if available. Do not sort already sorted VUSEs.
1312 (vdefs_to_vec): Do not sort already sorted VDEFs.
1314 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1317 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1319 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1322 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1323 limitations of reciprocal sequences on x86 targets.
1325 2008-01-08 Richard Guenther <rguenther@suse.de>
1327 PR tree-optimization/34683
1328 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1330 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1333 * config/darwin.c (darwin_mergeable_string_section): Don't use
1334 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1336 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1339 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1340 negxf2. Macroize expander using X87MODEF mode iterator. Change
1341 predicates of op0 and op1 to register_operand.
1342 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1343 expander using X87MODEF mode iterator. Change predicates of
1344 op0 and op1 to register_operand.
1345 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1346 corresponding patterns and macroize using MODEF macro. Change
1347 predicates of op0 and op1 to register_operand and remove
1348 "m" constraint. Disparage "r" alternative with "!".
1349 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1350 macroize using X87MODEF macro. Change predicates of op0 and op1
1351 to register_operand and remove "m" constraint. Disparage "r"
1352 alternative with "!".
1353 (absneg splitter with memory operands): Remove.
1354 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1355 patterns and macroize using X87MODEF mode iterator.
1356 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1357 Change predicate of op1 to register_operand.
1358 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1359 for memory operands.
1361 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1363 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1365 2008-01-07 Richard Guenther <rguenther@suse.de>
1367 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1370 2008-01-07 Richard Guenther <rguenther@suse.de>
1372 PR tree-optimization/34683
1373 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1374 VOPs of the needed size to save memory. Use VEC_quick_push
1375 to save compile-time.
1376 (vdefs_to_vec): Likewise.
1378 2008-01-07 Sa Liu <saliu@de.ibm.com>
1380 * config/spu/spu.md (divdf3): Genetate inline code for double
1381 division. The implementation doesn't handle INF or NAN, therefore it
1382 only applies when -ffinite-math-only is given.
1384 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1387 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1388 * doc/cpp.texi ([Common Predefined Macros]): Document.
1390 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1392 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1393 order to use commutative addition instead of subtraction.
1395 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1396 Mircea Namolaru <namolaru@il.ibm.com>
1397 Vladimir Yanovsky <yanov@il.ibm.com>
1398 Revital Eres <eres@il.ibm.com>
1400 PR tree-optimization/34263
1401 * tree-outof-ssa.c (process_single_block_loop_latch,
1402 contains_tree_r): New functions.
1403 (analyze_edges_for_bb): Call process_single_block_loop_latch
1404 function to empty single-basic-block latch block if possible.
1406 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1408 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1410 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1412 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1414 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1416 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1418 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1420 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1422 PR tree-optimization/34618
1423 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1426 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1429 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1430 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1431 Update copyright year.
1433 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1434 Update copyright year.
1435 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1438 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1440 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1441 edge does not point to current bb before changing need_assert.
1443 2008-01-04 Richard Guenther <rguenther@suse.de>
1446 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1447 for verifying purposes if they are is_gimple_min_invariant.
1449 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1451 PR tree-optimization/34448
1452 PR tree-optimization/34465
1453 * gimplify.c (gimplify_init_constructor): Add new parameter
1454 notify_temp_creation. Use it.
1455 (gimplify_modify_expr_rhs): Take volatiles into account when
1456 optimizing constructors.
1457 Do not optimize constructors if gimplify_init_constructor will dump to
1459 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1460 * gcc.c-torture/compile/pr34448.c: New.
1462 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1464 PR gcov-profile/34609
1465 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1466 return_slot if result is TREE_ADDRESSABLE.
1468 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1470 * config/mips/mips.md (sqrt_condition): Tweak comment.
1471 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1473 2008-01-03 Tom Tromey <tromey@redhat.com>
1476 * c-common.c (c_type_hash): Handle VLAs.
1478 2008-01-03 Jan Hubicka <jh@suse.cz>
1480 PR tree-optimization/31081
1481 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1482 0 when inlining and not inlining to first basic block.
1483 (remap_decl): When var is initialized to 0, don't set default_def.
1484 (expand_call_inline): Set entry_bb.
1485 * tree-inline.h (copy_body_data): Add entry_bb.
1487 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1490 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1493 PR tree-optimization/29484
1494 * tree-inline.c (inline_forbidden_p_2): New function.
1495 (inline_forbidden_p): Disallow inlining if some static var
1496 has an address of a local LABEL_DECL in its initializer.
1497 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1500 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1502 PR tree-optimization/34635
1503 * tree-data-ref.c (add_other_self_distances): Make sure that the
1504 evolution step is constant.
1506 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1509 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1511 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1513 * tree-sra.c (scalarize_init): Insert the generate_element_init
1514 statements after the generate_element_zero statements.
1516 2008-01-02 Richard Guenther <rguenther@suse.de>
1520 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1521 for very large number of operands instead of ICEing.
1523 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1526 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1527 while stack probing.
1529 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1531 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1534 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1537 * tree-mudflap.c (mx_register_decls): Guard warning by
1538 !DECL_ARTIFICIAL check.
1540 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1542 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1543 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1544 sse5_perm<mode>): Fix constraints.