1 2008-02-02 Michael Matz <matz@suse.de>
4 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
5 from record_last_reg_set_info.
6 (record_last_reg_set_info): Take an RTX argument, iterate over all
8 (record_last_set_info, record_opr_changes): Change calls to
9 new signature or to record_last_reg_set_info_regno.
11 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
13 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
15 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
17 PR rtl-optimization/34773
18 * reg-notes.def (EQUAL): Mention significance of combination of
19 REG_EQUAL and REG_RETVAL.
20 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
21 insn that has a REG_RETVAL.
23 2008-02-01 Roger Sayle <roger@eyesopen.com>
26 * configure.ac (--enable-fixed-point): Disable unless explicitly
28 * configure: Regenerate.
30 2008-02-01 Richard Guenther <rguenther@suse.de>
33 * invoke.texi (-finline-limit): Remove no longer true parts
34 of the documentation. Note that there is no default value.
36 2008-02-01 Andrew Pinski <pinskia@gmail.com>
37 Mark Mitchell <mark@codesourcery.com>
38 Ben Elliston <bje@au.ibm.com>
41 * doc/extend.texi (Other Builtins): Document.
43 2008-01-31 Tom Browder <tom.browder@gmail.com>
45 * doc/c-tree.texi (Types): Fix grammar.
46 (Expression trees): Ditto.
47 * doc/passes.texi (Tree-SSA passes): Ditto.
49 * doc/configterms.texi (Configure Terms): Fix typo.
50 * doc/cpp.texi (Common Predefined Macros): Ditto.
51 * doc/md.texi (Machine Constraints): Ditto.
53 * doc/makefile.texi (Makefile): Add comma.
55 2008-01-31 Tom Browder <tom.browder@gmail.com>
56 Gerald Pfeifer <gerald@pfeifer.com>
58 * doc/sourcebuild.texi (Front End): Remove references to CVS
60 (Texinfo Manuals): Replace reference to CVS by one to SVN.
61 (Back End): Remove reference to CVS.
63 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
66 * config/mips/mips.c (gen_load_const_gp): New function, taking a
68 (mips16_gp_pseudo_reg): ...here.
69 * config/mips/mips.md (load_const_gp): Replace with...
70 (load_const_gp_<mode>): ...this :P-based insn.
72 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
74 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
76 (-std): Move reference to standards closer to where language
77 standards are first mentioned.
79 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
81 PR rtl-optimization/34995
82 * reload.c (alternative_allows_const_pool_ref): Take an rtx
83 parameter and return a bool. If the rtx parameter is nonnull,
84 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
85 (find_reloads): Update call accordingly. Pass the new operand
86 if it needed no address reloads, otherwise pass null.
88 2008-01-30 Richard Henderson <rth@redhat.com>
91 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
94 2008-01-30 Silvius Rus <rus@google.com>
96 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
98 2008-01-30 Jan Hubicka <jh@suse.cz>
101 * i386.c (init_cumulative_args): Use real function declaration when
104 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
106 PR rtl-optimization/34998
107 * global.c (build_insn_chain): Treat non-subreg_lowpart
108 SUBREGs of pseudos as clobbering all the words covered by the
109 SUBREG, not just all the bytes.
110 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
111 original df_ref rather than an extract parameter.
112 (global_conflicts): Update call accordingly.
114 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
116 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
117 the overflow check to make it easier to read.
118 (__fixtfdi): Change the type of the ll member in union
119 long_double to UDItype_x.
121 2008-01-30 Jakub Jelinek <jakub@redhat.com>
124 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
125 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
126 * tree-inline.c (fold_marked_statements): Call
127 cgraph_update_edges_for_call_stmt if folding a call statement.
128 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
129 debug_generic_stmt calls, reset it back afterwards.
132 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
134 * c-typeck.c (build_external_ref): Don't pedwarn about
135 static vars in current function's scope.
137 2008-01-29 Joseph Myers <joseph@codesourcery.com>
139 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
141 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
144 * ipa-struct-reorg.c: Fix spelling.
147 2008-01-29 Richard Guenther <rguenther@suse.de>
150 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
152 * tree-inline.c (remap_type): Increment remapping_type_depth
153 around remapping types.
154 (copy_body_r): Only add referenced variables if they are referenced
155 from code, not types.
157 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
168 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
169 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
171 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
174 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
175 pointer for tiny stack.
177 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
179 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
181 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
183 * config/vx-common.h: Fix typo in comment.
185 2008-01-28 Ian Lance Taylor <iant@google.com>
189 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
190 coalesce pointers if they have different DECL_NO_TBAA_P values.
191 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
192 between variables with different DECL_NO_TBAA_P values.
194 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
197 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
198 are not legitimate small data references on SPE targets.
200 2008-01-28 David Daney <ddaney@avtrex.com>
202 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
204 2008-01-28 David Daney <ddaney@avtrex.com>
206 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
208 2008-01-27 Joseph Myers <joseph@codesourcery.com>
210 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
211 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
212 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
213 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
214 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
215 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
216 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
217 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
219 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
221 * basic-block.h (condjump_equiv_p): Fix comment.
223 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
225 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
226 print_generic_stmt_indented): Fix comment.
228 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
230 * configure.ac (__stack_chk_fail): Add detecion for availability
231 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
232 * configure: Regenerate.
234 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
237 * final.c (output_addr_const): Handle TRUNCATE.
239 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
242 * tree-ssa-loop-ivopts.c (comp_cost): New type.
243 (zero_cost, infinite_cost): New constants.
244 (struct cost_pair): Change type of cost to comp_cost.
245 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
246 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
248 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
249 split_address_cost, ptr_difference_cost, difference_cost,
250 get_computation_cost_at, get_computation_cost,
251 determine_use_iv_cost_generic, determine_use_iv_cost_address,
252 determine_use_iv_cost_condition, determine_use_iv_costs,
253 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
254 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
255 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
256 Change type of cost to comp_cost.
257 (determine_iv_cost): Increase cost of non-original ivs, instead
258 of decreasing the cost of original ones.
259 (get_address_cost): Indicate the complexity of the addressing mode
261 (try_add_cand_for): Prefer using ivs not specific to some object.
262 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
264 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
265 Janis Johnson <janis187@us.ibm.com>
268 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
269 (TARGET_INSTANTIATE_DECLS): Likewise.
270 * target.h (expand_to_rtl_hook): New target hook.
271 (instantiate_decls): Likewise.
272 * function.c (instantiate_decl): Make non-static. Rename to...
273 (instantiate_decl_rtl): ... this.
274 (instantiate_expr): Use instantiate_decl_rtl.
275 (instantiate_decls_1): Likewise.
276 (instantiate_decls): Likewise.
277 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
278 * function.h (instantiate_decl_rtl): Add prototype.
279 * cfgexpand.c (target.h): New include.
280 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
281 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
282 (TARGET_INSTANTIATE_DECLS): Likewise.
283 (TARGET_INITIALIZER): New target hooks added.
284 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
286 * config/rs6000/rs6000.c (tree-flow.h): New include.
287 (machine_function): Add sdmode_stack_slot field.
288 (rs6000_alloc_sdmode_stack_slot): New function.
289 (rs6000_instantiate_decls): Likewise.
290 (rs6000_secondary_memory_needed_rtx): Likewise.
291 (rs6000_check_sdmode): Likewise.
292 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
293 (TARGET_INSTANTIATE_DECLS): Likewise.
294 (rs6000_hard_regno_mode_ok): Allow SDmode.
295 (num_insns_constant): Likewise. Handle _Decimal32 constants.
296 (rs6000_emit_move): Handle SDmode.
297 (function_arg_advance): Likewise.
298 (function_arg): Likewise.
299 (rs6000_gimplify_va_arg): Likewise. Add special handling of
300 SDmode var args for 32-bit compiles.
301 (rs6000_secondary_reload_class): Handle SDmode.
302 (rs6000_output_function_epilogue): Likewise.
303 (rs6000_function_value): Simplify if statement.
304 (rs6000_libcall_value): Likewise.
305 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
306 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
307 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
308 (movsd_hardfloat): New define_insn.
309 (movsd_softfloat): Likewise.
310 (movsd_store): Likewise.
311 (movsd_load): Likewise.
312 (extendsddd2): Likewise.
313 (extendsdtd2): Likewise.
314 (truncddsd2): Likewise.
315 (movdd_hardfloat64): Fixup comment.
316 (UNSPEC_MOVSD_LOAD): New constant.
317 (UNSPEC_MOVSD_STORE): Likewise.
319 2008-01-26 Jakub Jelinek <jakub@redhat.com>
322 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
324 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
325 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
326 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
329 2008-01-26 David Edelsohn <edelsohn@gnu.org>
332 * config.gcc: Separate AIX 5.3 from AIX 6.1.
333 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
335 * config/rs6000/aix61.h: New file.
337 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
339 PR rtl-optimization/34959
340 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
341 popcount and parity rtxes the same mode as their operand.
342 Truncate or extend the result to the return value's mode
345 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
348 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
349 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
350 to GOT_VERSION_REGNUM.
351 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
352 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
353 * config/mips/mips.c (mips_emit_call_insn): New function.
354 (mips_call_tls_get_addr): Call mips_expand_call directly.
355 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
357 (mips16_build_call_stub): Likewise. Return the call insn or null.
358 (mips_expand_call): Update the call to mips16_build_call_stub
359 accordingly and a remove redundant condition. Assert that MIPS16
360 stubs do not use lazy binding. Use mips_emit_call_insn and return
362 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
364 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
365 (mips_avoid_hazard): Remove hazard_set handling.
366 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
367 (UNSPEC_RESTORE_GP): ...this.
368 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
369 (FAKE_CALL_REGNO): Rename to...
370 (GOT_VERSION_REGNUM): ...this.
371 (type): Add "ghost" value. Add an associated insn reservation.
372 (hazard_set): Remove.
373 (exception_receiver): Rename to...
374 (restore_gp): ...this and update the unspec identifier accordingly.
375 (exception_receiver, nonlocal_got_receiver): New expanders.
376 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
377 FAKE_CALL_REGNO. Remove hazard_set attribute.
378 (set_got_version, update_got_version): New patterns.
380 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
383 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
385 2008-01-25 Joseph Myers <joseph@codesourcery.com>
388 * doc/install.texi2html: Generate gcc-vers.texi.
390 2008-01-25 DJ Delorie <dj@redhat.com>
392 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
394 2008-01-25 Joseph Myers <joseph@codesourcery.com>
396 * config/c4x: Remove directory.
397 * config.gcc (crx-*, mt-*): Mark obsolete.
398 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
399 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
400 sh-*-rtemscoff*): Remove cases.
401 * defaults.h (C4X_FLOAT_FORMAT): Remove.
402 * real.c (encode_c4x_single, decode_c4x_single,
403 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
404 c4x_extended_format): Remove.
405 * real.h (c4x_single_format, c4x_extended_format): Remove.
406 * doc/extend.texi (interrupt, naked): Remove mention of attributes
408 (Pragmas): Remove comment about c4x pragmas.
409 * doc/install.texi (c4x): Remove target-specific instructions.
410 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
411 * doc/md.texi (Machine Constraints): Remove C4x documentation.
412 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
413 refer to C4x source files as examples.
414 (C4X_FLOAT_FORMAT): Remove documentation.
416 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
418 * config/bfin/bfin.c (override_options): Reorder tests so that
419 flag_pic gets enabled for -msep-data.
421 2008-01-25 Richard Guenther <rguenther@suse.de>
424 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
425 to its bitfield precision if required.
427 2008-01-25 Jakub Jelinek <jakub@redhat.com>
430 * tree-nested.c (walk_omp_for): New function.
431 (convert_nonlocal_reference, convert_local_reference): Call
432 walk_omp_for on OMP_FOR.
433 (convert_call_expr): Call walk_body on OMP_FOR's
434 OMP_FOR_PRE_INIT_BODY.
436 2008-01-25 Richard Guenther <rguenther@suse.de>
438 PR tree-optimization/34966
439 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
440 default defs and PHI_NODEs we have to insert after the
443 2008-01-24 Nick Clifton <nickc@redhat.com>
445 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
446 Provide a default definition.
447 (LIBGCC2_UNITS_PER_WORD): Likewise.
449 * config/stormy16/stormy16.c: Include df.h for the prototype
450 for df_regs_ever_live_p.
451 (xstormy16_expand_builtin_va_start): Convert the stack offset
452 into a component_ref and then use POINTER_PLUS_EXPR to add it
453 to the incoming_virtual_args_rtx.
454 (xstormy16_gimplify_va_arg_expr): Rename to
455 xstormy16_gimplify_va_arg_expr.
456 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
457 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
458 xstormy16_gimplify_va_arg_expr.
459 Fix up some formatting issues.
461 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
462 Move to predicates.md.
463 (xs_hi_general_operand): Likewise.
464 (xs_hi_nonmemory_operand): Likewise.
465 * config/stormy16/predicates.md:
466 (xstormy16_carry_plus_operand): New predicate.
467 (xs_hi_general_operand): New predicate.
468 (xs_hi_nonmemory_operand): New predicate.
469 * config/stormy16/stormy16-protos.h:
470 (xstormy16_carry_plus_operand): Delete prototype.
471 (xs_hi_general_operand): Likewise.
472 (xs_hi_nonmemory_operand): Likewise.
474 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
475 modifiers as they are no longer needed and they can trigger
476 reload spill failures.
478 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
479 with a match_operand in order to help reload.
481 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
482 constraint with 'e' for the 8th alternative as this version of
483 the mov.w instruction only accepts the lower 8 registers.
485 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
488 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
489 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
492 2008-01-25 Jakub Jelinek <jakub@redhat.com>
495 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
497 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
499 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
501 (remove_structure): Update allocations list before removing structure.
503 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
505 * ipa-struct-reorg.c (is_safe_cond_expr,
506 create_new_stmts_for_cond_expr): Use integer_zerop function,
507 that recognize not only zero-pointer, but zero-integer too.
509 2008-01-25 Ben Elliston <bje@au.ibm.com>
512 * fixproto: Escape "." in sed expression that strips leading "./".
514 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
517 * gcc.c (SWITCH_OK): Removed.
518 (SWITCH_LIVE): Changed to bit.
519 (SWITCH_FALSE): Likewise.
520 (SWITCH_IGNORE): Likewise.
521 (switchstr): Change live_cond to unsigned int.
522 (process_command): Replace SWITCH_OK with 0.
523 (do_self_spec): Likewise.
524 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
525 (give_switch): Likewise.
526 (used_arg): Likewise.
527 (do_spec_1): Set the SWITCH_IGNORE bit.
528 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
529 bits. Set the SWITCH_LIVE bit.
531 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
533 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
535 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
537 PR tree-optimization/34472
538 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
539 parameter to a "bool *" and set *DATA to false if there is
540 an unsafe access. Do not delete the structure here.
541 (check_cond_exprs): Delete it here instead.
542 (check_cond_exprs, exclude_cold_structs): Do not increase
543 I when removing a structure.
545 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
548 * config/i386/i386.c (ix86_expand_vector_init): Consider only
549 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
551 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
554 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
555 a fixed vector for stack.
557 2008-01-24 Ben Elliston <bje@au.ibm.com>
560 * doc/gcc.texi (Software development): Add a direntry for g++.
562 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
564 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
565 stale and straggling -fforce-addr comments above.
567 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
569 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
570 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
572 2008-01-23 Michael Matz <matz@suse.de>
575 * dwarf2out.c (force_type_die): Use modified_type_die instead of
578 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
580 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
583 2008-01-23 Anatoly Sokolov <aesok@post.ru>
585 * config/avr/avr.c (avr_current_arch): New variable.
586 (avr_arch_types): Add 'avr31' and 'avr51' entries.
587 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
588 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
589 (avr_override_options): Init 'avr_current_arch'.
590 (base_arch_s): Move from here...
591 * config/avr/avr.h (base_arch_s): ... here. Add new members
592 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
593 'mega' to 'have_jmp_call'.
594 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
595 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
597 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
599 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
600 MULTILIB_MATCHES): (Ditto.).
602 2008-01-23 Richard Guenther <rguenther@suse.de>
605 * cgraphunit.c (cgraph_reset_node): Always mark the node
606 not reachable if it is not queued already.
608 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
610 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
611 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
612 (cputype_selected): New static variable.
613 (bfin_handle_option): Set it if -mcpu is used.
614 (override_option): Select default set of workarounds if no cpu type
615 selected on the command line.
616 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
618 From Michael Frysinger <michael.frysinger@analog.com>
619 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
620 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
622 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
623 for bf547, bf523, bf524, and bf526.
624 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
626 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
627 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
628 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
629 __ADSPBF547__ and __ADSPBF54x__ for bf547.
630 * doc/invoke.texi (Blackfin Options): Document that
631 -mcpu now accept bf547, bf523, bf524, and bf526.
633 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
635 PR rtl-optimization/34628
636 * combine.c (try_combine): Stop and undo after the first combination
637 if an autoincrement side-effect on the first insn has effectively
640 2008-01-22 David Edelsohn <edelsohn@gnu.org>
643 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
644 Offset addresses are not valid for Altivec or paired float modes.
646 2008-01-22 Jakub Jelinek <jakub@redhat.com>
649 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
650 if DECL_INITIAL (decl) is error_mark_node.
653 * c-common.c (handle_vector_size_attribute): Only allow
654 integral, scalar float and fixed point types. Handle OFFSET_TYPE
655 the same way as pointer, array etc. types.
656 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
659 * tree.c (build_type_attribute_qual_variant): Call
660 build_qualified_type if attributes are equal, but quals are not.
662 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
665 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
666 * flags.h (warn_strict_aliasing): Remove.
667 (warn_strict_overflow): Remove.
668 * opts.c (warn_strict_aliasing): Remove.
669 (warn_strict_overflow): Remove.
670 * c-opts.c (c_common_handle_option): -Wall only sets
671 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
672 (c_common_post_options): Give default values to -Wstrict-aliasing
673 and -Wstrict-overflow if they are uninitialized.
674 * common.opt (Wstrict-aliasing): Specify Var and Init.
675 (Wstrict-overflow): Likewise.
677 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
679 PR rtl-optimization/26854
680 PR rtl-optimization/34400
681 PR rtl-optimization/34884
682 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
684 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
685 (df_rd_bb_info.expanded_lr_out): Deleted
686 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
687 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
688 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
689 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
690 Removed code to allocate, initialize or free expanded_lr_out.
691 (df_rd_bb_local_compute_process_def): Restructured to make more
693 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
694 sets if the sets are being trimmed.
696 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
699 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
701 * configure: Regenerated.
703 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
706 * tree-pass.h (pass_build_alias): New pass.
707 * tree-ssa-alias.c (gate_build_alias): New.
708 (pass_build_alias): New.
709 * passes.c (init_optimization_passes): Add pass_build_alias after
710 pass_create_structure_vars.
712 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
714 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
715 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
716 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
717 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
718 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
719 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
720 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
721 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
722 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
723 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
724 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
725 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
726 * config/s390/s390.md (FP_ALL): New mode iterator.
727 (_d): New mode attribute.
728 ("*signbit<mode>2>"): Changed mode of first operand.
729 ("isinf<mode>2"): Changed mode of first operand.
730 ("*TDC_insn"): Adaptation for DFP modes.
732 2008-01-22 Ben Elliston <bje@au.ibm.com>
734 * tree.c (check_qualified_type): Improve function description.
736 2008-01-21 Jason Merrill <jason@redhat.com>
739 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
740 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
743 2008-01-21 DJ Delorie <dj@redhat.com>
745 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
748 2008-01-21 Richard Guenther <rguenther@suse.de>
751 * tree-cfg.c (verify_expr): Allow all invariant expressions
752 instead of just constant class ones as reference argument.
753 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
754 like any other constant.
755 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
757 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
759 * regmove.c (fixup_match_1): Update call crossed frequencies.
761 2008-01-21 Richard Guenther <rguenther@suse.de>
764 * tree-inline.c (setup_one_parameter): Deal with mismatched
765 types using a VIEW_CONVERT_EXPR.
767 2008-01-21 Alon Dayan <alond@il.ibm.com>
768 Olga Golovanevsky <olga@il.ibm.com>
770 PR tree-optimization/34701
771 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
772 when the structure size is not a power of 2.
774 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
776 * doc/install.texi: Add doc for --enable-checking=df.
778 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
780 PR rtl-optimization/34808
781 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
783 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
785 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
788 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
790 PR rtl-optimization/26854
791 PR rtl-optimization/34400
792 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
794 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
795 (df_rd_bb_info.expanded_lr_out): New.
796 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
797 * loop_iv.c (iv_analysis_loop_init): Ditto.
798 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
799 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
800 Added code to allocate, initialize or free expanded_lr_out.
801 (df_rd_bb_local_compute_process_def): Restructured to make
803 (df_rd_confluence_n): Add code to do nothing with fake edges and
804 code to no apply invalidate_by_call sets if the sets are being trimmed.
805 (df_lr_local_finalize): Renamed to df_lr_finalize.
806 (df_live_local_finalize): Renamed to df_live_finalize.
808 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
811 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
812 deciding whether to use reciprocal instructions.
814 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
816 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
817 dwarf2out_note_section_used if cold_text_section is NULL.
819 2008-01-19 Jakub Jelinek <jakub@redhat.com>
821 PR gcov-profile/34610
822 * tree-cfg.c (make_edges): Mark both outgoing edges from
823 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
824 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
825 from OMP_FOR and OMP_CONTINUE outgoing edges.
827 * tree-profile.c (tree_profiling): Return early if
828 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
830 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
831 from cfun to child_cfun.
832 * function.h (struct function): Add after_tree_profile bit.
834 2008-01-19 Anatoly Sokolov <aesok@post.ru>
836 * config/avr/avr.S (_exit): Disable interrupt.
838 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
839 Steven Bosscher <stevenb.gcc@gmail.com>
841 PR rtl-optimization/26854
842 PR rtl-optimization/34400
843 * df-problems.c (df_live_scratch): New scratch bitmap.
844 (df_live_alloc): Allocate df_live_scratch when doing df_live.
845 (df_live_reset): Clear the proper bitmaps.
846 (df_live_bb_local_compute): Only process the artificial defs once
847 since the order is not important.
848 (df_live_init): Init the df_live sets only with the variables
850 (df_live_transfer_function): Use the df_lr sets to prune the
851 df_live sets as they are being computed.
852 (df_live_free): Free df_live_scratch.
854 2008-01-18 Ian Lance Taylor <iant@google.com>
856 * common.opt: Add fmerge-debug-strings.
857 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
858 flag_merge_debug_strings rather than flag_merge_constants.
859 * doc/invoke.texi (Option Summary): Mention
860 -fmerge-debug-strings.
861 (Debugging Options): Document -fmerge-debug-strings.
863 2008-01-18 Ian Lance Taylor <iant@google.com>
866 * tree.h (DECL_IS_OPERATOR_NEW): Define.
867 (struct tree_function_decl): Add new field operator_new_flag.
868 * tree-inline.c (expand_call_inline): When inlining a call to
869 operator new, force the return value to go into a variable, and
870 set DECL_NO_TBAA_P on that variable.
871 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
873 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
876 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
877 DWARF2_DEBUGGING_INFO.
878 (dwarf2out_note_section_used): Ditto. Add prototype.
879 (have_multiple_function_sections, text_section_used,
880 cold_text_section_used, *cold_text_sections): Move declarations
883 2008-01-17 Bob Wilson <bob.wilson@acm.org>
885 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
886 field and add signal_ra.
887 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
888 assignments to frame state pc. Move end of stack check after
889 MD_FALLBACK_FRAME_STATE_FOR.
890 (uw_update_context_1): Use frame state signal_regs if set, instead
891 of checking signal_frame flag.
892 (uw_update_context): Use frame state signal_ra if set.
893 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
894 * config/xtensa/linux-unwind.h: New file.
896 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
898 * modulo-sched.c (get_sched_window): Fix comment typo.
900 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
902 PR tree-optimization/34648
903 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
905 2008-01-17 Anatoly Sokolov <aesok@post.ru>
907 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
908 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
910 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
912 PR rtl-optimization/34400
913 * df-core.c (df_worklist_dataflow_overeager,
914 df_worklist_dataflow_doublequeue): New functions.
915 (df_worklist_dataflow): Two different worklist solvers.
916 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
919 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
922 * doc/invoke.texi: Document the dependence on pthread for fopenmp
923 and ftree-parallelize-loops.
925 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
927 PR rtl-optimization/34826
928 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
930 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
932 * global.c (find_reg): Mark the eh regs as used if necessary.
933 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
934 * ra.h (struct allocno): no_eh_reg field added. Changed
935 no_stack_reg type to bitfield.
937 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
939 * tree.c (substitute_in_expr): Add missing 'break'.
941 2008-01-17 Richard Guenther <rguenther@suse.de>
943 PR tree-optimization/34825
944 * tree-ssa-math-opts.c (is_division_by): Do not recognize
945 x / x as division to handle.
947 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
949 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
950 "-pthread" is specified.
951 * pa-hpux11.h (LIB_SPEC): Likewise.
953 2008-01-16 Janis Johnson <janis187@us.ibm.com>
954 Peter Bergner <bergner@vnet.ibm.com>
956 PR rtl-optimization/33796
957 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
959 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
962 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
964 * pa-hpux10.h (LINK_SPEC): Likewise.
965 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
967 2008-01-16 Richard Guenther <rguenther@suse.de>
970 * fold-const.c (fold_convert_const_int_from_int): Do not
971 set overflow if that occured only because of a sign extension
972 change when converting from/to a sizetype with the same
973 precision and signedness.
975 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
978 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
979 location address to the correct place. Update copyright year.
981 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
983 * lambda-code.c (lambda_transform_legal_p): Handle the case of
984 no dependences in the dependence_relations vector.
986 2008-01-16 Jan Hubicka <jh@suse.cz>
988 PR rtl-optimization/31396
989 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
990 * cfg.c (dump_reg_info): Print it.
991 * regs.h (struct reg_info_t): add freq_calls_crossed.
992 (REG_FREQ_CALLS_CROSSED): New macro.
993 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
994 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
995 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
996 regmove_optimize): Update call crossed frequencies.
997 * local-alloc.c (struct qty): Add freq_calls_crossed.
998 (alloc_qty): Copute freq_calls_crossed.
999 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1000 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1001 * ra.h (struct allocno): Add freq_calls_crossed.
1003 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1005 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1006 libgomp when compiling with ftree-parallelize-loops.
1007 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1009 2008-01-16 Richard Guenther <rguenther@suse.de>
1011 PR tree-optimization/34769
1012 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1013 * tree.c (int_cst_value): Instead make this function more
1014 permissive in what it accepts as valid input. Document this
1015 function always sign-extends the value.
1017 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1018 Richard Guenther <rguenther@suse.de>
1021 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1022 (gimple_fold_indirect_ref_rhs): ... this.
1023 (gimple_fold_indirect_ref): New function with foldings
1024 that preserve lvalueness.
1025 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1026 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1027 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1028 to fold an INDIRECT_REF, fall back to the old use of
1029 fold_indirect_ref_1.
1031 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1033 * tree-data-ref.c (subscript_dependence_tester_1): Call
1034 free_conflict_function.
1035 (compute_self_dependence): Same.
1037 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1040 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1041 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1043 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1044 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1045 for DWARF2_UNWIND_INFO targets.
1047 2008-01-16 Richard Guenther <rguenther@suse.de>
1050 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1051 type qualifiers for function types.
1053 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1055 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1056 loop_iterator li from previous commit.
1058 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1060 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1062 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1064 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1065 (parallelize_loops): Don't parallelize irreducible components.
1067 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1070 * c-opts (c_common_post_options): Do not enable CPP
1071 flag_pedantic_errors by default.
1073 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1075 PR rtl-optimization/31944
1076 * cse.c (remove_pseudo_from_table): New function.
1077 (merge_equiv_classes): Use above function to remove pseudo-registers.
1078 (invalidate): Likewise.
1080 2008-01-13 Richard Guenther <rguenther@suse.de>
1083 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1084 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1086 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1088 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1089 validate_change to unshare the source of the PC set.
1091 2008-01-12 Jan Hubicka <jh@suse.cz>
1094 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1095 references above array bounds. This might trigger bounds checks for
1098 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1100 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1101 new_replaceable_dependencies.
1103 2008-01-12 Doug Kwan <dougkwan@google.com>
1105 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1106 instead of OPT_Wreturn_type in warning due to ignored return type
1108 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1109 options included in -Wextra.
1110 * c.opt: New option -Wignored_qualifiers.
1111 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1112 -Wignore_qualifiers.
1113 (-Wignored-qualifiers): Document.
1114 (-Wreturn-type): Remove description of functionality now handled
1115 by -Wignored-qualifiers.
1117 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1120 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1121 NOP_EXPR if it is between integral types with the same precision.
1123 2008-01-12 Jan Hubicka <jh@suse.cz>
1126 * invoke.texi (max-inline-recursive-depth): Fix default value.
1128 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1130 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1133 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1135 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1137 2008-01-11 James E. Wilson <wilson@specifix.com>
1140 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1142 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1144 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1145 save/restore frame pointer register and don't use 'call-prologues'
1146 optimization in function with "OS_task" attribute.
1148 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1151 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1152 when copying to memory.
1154 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1156 PR rtl-optimization/30905
1157 * cfgcleanup.c: Include dce.h
1158 (crossjumps_occured): New global variable.
1159 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1160 If something changed, set crossjumps_occured to true.
1161 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1162 Don't add/remove fake edges to exit here...
1163 (cleanup_cfg): ...but do it here, when crossjumping.
1164 Run a fast DCE when successful crossjumps occured in the latest
1165 iteration of try_optimize_cfg.
1167 2008-01-11 Richard Guenther <rguenther@suse.de>
1169 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1170 (struct vn_unary_op_s): Likewise.
1171 (vn_reference_insert): Free old reference on hash collision.
1173 2008-01-10 Raksit Ashok <raksit@google.com>
1175 PR rtl-optimization/27971
1176 * combine.c (find_split_point): Split PLUS expressions which are
1177 inside a MEM rtx, and whose first operand is complex.
1179 2008-01-10 DJ Delorie <dj@redhat.com>
1181 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1182 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1183 (m32c_hard_regno_ok): Call the underlying function.
1185 2008-01-10 Richard Guenther <rguenther@suse.de>
1188 * tree-cfg.c (tree_merge_blocks): Do not go through the
1189 full-blown folding and stmt updating path if we just deal
1190 with virtual operands.
1191 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1192 test for abnormal SSA_NAMEs.
1194 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1197 * reload.c (push_reload): Add assertions. All constants from
1198 reg_equiv_constant should have been used for replacing the respective
1200 (find_reloads_address): Invoke find_reloads_address_part for
1201 constant taken from the reg_equiv_constant array.
1203 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1205 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1206 field (valnum) the first in the struct. Replace bools with
1209 2008-01-10 Richard Guenther <rguenther@suse.de>
1211 PR tree-optimization/34651
1212 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1213 types and ordering for masking and converting.
1215 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1217 PR tree-optimization/34017
1218 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1219 also for PHI_NODE expressions.
1221 2008-01-09 Jan Hubicka <jh@suse.cz>
1223 PR tree-optimization/34708
1224 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1225 based on number of case labels.
1226 (init_inline_once): Remove switch_cost.
1227 * tree-inline.h (eni_weights_d): Remove switch_cost.
1229 2008-01-09 Richard Guenther <rguenther@suse.de>
1230 Andrew Pinski <andrew_pinski@playstation.sony.com>
1233 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1234 temporary if an rvalue is ok or an lvalue is not required.
1236 2008-01-09 Richard Guenther <rguenther@suse.de>
1239 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1242 2008-01-09 Richard Guenther <rguenther@suse.de>
1245 * tree.c (host_integerp): Check for sizetype only if the
1246 type is an integer type.
1248 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1251 * opts.c (decode_options): Disable inlining of functions called
1252 once if not in unit-at-a-time mode.
1254 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1256 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1258 2008-01-08 Richard Guenther <rguenther@suse.de>
1261 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1262 out early if the result will be unused.
1264 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1269 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1270 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1273 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1275 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1276 for vectorization tuned.
1278 2008-01-08 Richard Guenther <rguenther@suse.de>
1280 PR tree-optimization/34683
1281 * tree-ssa-operands.c (operand_build_cmp): Export.
1282 * tree-ssa-operands.h (operand_build_cmp): Declare.
1283 * tree-vn.c (vuses_compare): Remove.
1284 (sort_vuses): Use operand_build_cmp.
1285 (sort_vuses_heap): Likewise.
1286 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1287 to re-use old VEC if available. Do not sort already sorted VUSEs.
1288 (vdefs_to_vec): Do not sort already sorted VDEFs.
1290 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1293 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1295 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1298 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1299 limitations of reciprocal sequences on x86 targets.
1301 2008-01-08 Richard Guenther <rguenther@suse.de>
1303 PR tree-optimization/34683
1304 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1306 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1309 * config/darwin.c (darwin_mergeable_string_section): Don't use
1310 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1312 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1315 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1316 negxf2. Macroize expander using X87MODEF mode iterator. Change
1317 predicates of op0 and op1 to register_operand.
1318 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1319 expander using X87MODEF mode iterator. Change predicates of
1320 op0 and op1 to register_operand.
1321 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1322 corresponding patterns and macroize using MODEF macro. Change
1323 predicates of op0 and op1 to register_operand and remove
1324 "m" constraint. Disparage "r" alternative with "!".
1325 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1326 macroize using X87MODEF macro. Change predicates of op0 and op1
1327 to register_operand and remove "m" constraint. Disparage "r"
1328 alternative with "!".
1329 (absneg splitter with memory operands): Remove.
1330 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1331 patterns and macroize using X87MODEF mode iterator.
1332 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1333 Change predicate of op1 to register_operand.
1334 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1335 for memory operands.
1337 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1339 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1341 2008-01-07 Richard Guenther <rguenther@suse.de>
1343 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1346 2008-01-07 Richard Guenther <rguenther@suse.de>
1348 PR tree-optimization/34683
1349 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1350 VOPs of the needed size to save memory. Use VEC_quick_push
1351 to save compile-time.
1352 (vdefs_to_vec): Likewise.
1354 2008-01-07 Sa Liu <saliu@de.ibm.com>
1356 * config/spu/spu.md (divdf3): Genetate inline code for double
1357 division. The implementation doesn't handle INF or NAN, therefore it
1358 only applies when -ffinite-math-only is given.
1360 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1363 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1364 * doc/cpp.texi ([Common Predefined Macros]): Document.
1366 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1368 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1369 order to use commutative addition instead of subtraction.
1371 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1372 Mircea Namolaru <namolaru@il.ibm.com>
1373 Vladimir Yanovsky <yanov@il.ibm.com>
1374 Revital Eres <eres@il.ibm.com>
1376 PR tree-optimization/34263
1377 * tree-outof-ssa.c (process_single_block_loop_latch,
1378 contains_tree_r): New functions.
1379 (analyze_edges_for_bb): Call process_single_block_loop_latch
1380 function to empty single-basic-block latch block if possible.
1382 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1384 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1386 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1388 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1390 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1392 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1394 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1396 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1398 PR tree-optimization/34618
1399 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1402 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1405 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1406 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1407 Update copyright year.
1409 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1410 Update copyright year.
1411 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1414 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1416 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1417 edge does not point to current bb before changing need_assert.
1419 2008-01-04 Richard Guenther <rguenther@suse.de>
1422 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1423 for verifying purposes if they are is_gimple_min_invariant.
1425 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1427 PR tree-optimization/34448
1428 PR tree-optimization/34465
1429 * gimplify.c (gimplify_init_constructor): Add new parameter
1430 notify_temp_creation. Use it.
1431 (gimplify_modify_expr_rhs): Take volatiles into account when
1432 optimizing constructors.
1433 Do not optimize constructors if gimplify_init_constructor will dump to
1435 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1436 * gcc.c-torture/compile/pr34448.c: New.
1438 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1440 PR gcov-profile/34609
1441 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1442 return_slot if result is TREE_ADDRESSABLE.
1444 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1446 * config/mips/mips.md (sqrt_condition): Tweak comment.
1447 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1449 2008-01-03 Tom Tromey <tromey@redhat.com>
1452 * c-common.c (c_type_hash): Handle VLAs.
1454 2008-01-03 Jan Hubicka <jh@suse.cz>
1456 PR tree-optimization/31081
1457 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1458 0 when inlining and not inlining to first basic block.
1459 (remap_decl): When var is initialized to 0, don't set default_def.
1460 (expand_call_inline): Set entry_bb.
1461 * tree-inline.h (copy_body_data): Add entry_bb.
1463 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1466 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1469 PR tree-optimization/29484
1470 * tree-inline.c (inline_forbidden_p_2): New function.
1471 (inline_forbidden_p): Disallow inlining if some static var
1472 has an address of a local LABEL_DECL in its initializer.
1473 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1476 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1478 PR tree-optimization/34635
1479 * tree-data-ref.c (add_other_self_distances): Make sure that the
1480 evolution step is constant.
1482 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1485 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1487 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1489 * tree-sra.c (scalarize_init): Insert the generate_element_init
1490 statements after the generate_element_zero statements.
1492 2008-01-02 Richard Guenther <rguenther@suse.de>
1496 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1497 for very large number of operands instead of ICEing.
1499 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1502 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1503 while stack probing.
1505 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1507 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1510 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1513 * tree-mudflap.c (mx_register_decls): Guard warning by
1514 !DECL_ARTIFICIAL check.
1516 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1518 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1519 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1520 sse5_perm<mode>): Fix constraints.