1 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
5 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
6 (RS/6000 and PowerPC Options): Fix typos and markup.
7 * doc/passes.texi (Tree-SSA passes): Likewise.
9 2008-02-02 Michael Matz <matz@suse.de>
12 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
13 from record_last_reg_set_info.
14 (record_last_reg_set_info): Take an RTX argument, iterate over all
16 (record_last_set_info, record_opr_changes): Change calls to
17 new signature or to record_last_reg_set_info_regno.
19 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
21 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
23 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
25 PR rtl-optimization/34773
26 * reg-notes.def (EQUAL): Mention significance of combination of
27 REG_EQUAL and REG_RETVAL.
28 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
29 insn that has a REG_RETVAL.
31 2008-02-01 Roger Sayle <roger@eyesopen.com>
34 * configure.ac (--enable-fixed-point): Disable unless explicitly
36 * configure: Regenerate.
38 2008-02-01 Richard Guenther <rguenther@suse.de>
41 * invoke.texi (-finline-limit): Remove no longer true parts
42 of the documentation. Note that there is no default value.
44 2008-02-01 Andrew Pinski <pinskia@gmail.com>
45 Mark Mitchell <mark@codesourcery.com>
46 Ben Elliston <bje@au.ibm.com>
49 * doc/extend.texi (Other Builtins): Document.
51 2008-01-31 Tom Browder <tom.browder@gmail.com>
53 * doc/c-tree.texi (Types): Fix grammar.
54 (Expression trees): Ditto.
55 * doc/passes.texi (Tree-SSA passes): Ditto.
57 * doc/configterms.texi (Configure Terms): Fix typo.
58 * doc/cpp.texi (Common Predefined Macros): Ditto.
59 * doc/md.texi (Machine Constraints): Ditto.
61 * doc/makefile.texi (Makefile): Add comma.
63 2008-01-31 Tom Browder <tom.browder@gmail.com>
64 Gerald Pfeifer <gerald@pfeifer.com>
66 * doc/sourcebuild.texi (Front End): Remove references to CVS
68 (Texinfo Manuals): Replace reference to CVS by one to SVN.
69 (Back End): Remove reference to CVS.
71 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
74 * config/mips/mips.c (gen_load_const_gp): New function, taking a
76 (mips16_gp_pseudo_reg): ...here.
77 * config/mips/mips.md (load_const_gp): Replace with...
78 (load_const_gp_<mode>): ...this :P-based insn.
80 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
82 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
84 (-std): Move reference to standards closer to where language
85 standards are first mentioned.
87 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
89 PR rtl-optimization/34995
90 * reload.c (alternative_allows_const_pool_ref): Take an rtx
91 parameter and return a bool. If the rtx parameter is nonnull,
92 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
93 (find_reloads): Update call accordingly. Pass the new operand
94 if it needed no address reloads, otherwise pass null.
96 2008-01-30 Richard Henderson <rth@redhat.com>
99 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
100 for unbounded arrays.
102 2008-01-30 Silvius Rus <rus@google.com>
104 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
106 2008-01-30 Jan Hubicka <jh@suse.cz>
109 * i386.c (init_cumulative_args): Use real function declaration when
112 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
114 PR rtl-optimization/34998
115 * global.c (build_insn_chain): Treat non-subreg_lowpart
116 SUBREGs of pseudos as clobbering all the words covered by the
117 SUBREG, not just all the bytes.
118 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
119 original df_ref rather than an extract parameter.
120 (global_conflicts): Update call accordingly.
122 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
124 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
125 the overflow check to make it easier to read.
126 (__fixtfdi): Change the type of the ll member in union
127 long_double to UDItype_x.
129 2008-01-30 Jakub Jelinek <jakub@redhat.com>
132 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
133 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
134 * tree-inline.c (fold_marked_statements): Call
135 cgraph_update_edges_for_call_stmt if folding a call statement.
136 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
137 debug_generic_stmt calls, reset it back afterwards.
140 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
142 * c-typeck.c (build_external_ref): Don't pedwarn about
143 static vars in current function's scope.
145 2008-01-29 Joseph Myers <joseph@codesourcery.com>
147 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
149 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
152 * ipa-struct-reorg.c: Fix spelling.
155 2008-01-29 Richard Guenther <rguenther@suse.de>
158 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
160 * tree-inline.c (remap_type): Increment remapping_type_depth
161 around remapping types.
162 (copy_body_r): Only add referenced variables if they are referenced
163 from code, not types.
165 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
176 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
177 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
179 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
182 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
183 pointer for tiny stack.
185 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
187 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
189 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
191 * config/vx-common.h: Fix typo in comment.
193 2008-01-28 Ian Lance Taylor <iant@google.com>
197 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
198 coalesce pointers if they have different DECL_NO_TBAA_P values.
199 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
200 between variables with different DECL_NO_TBAA_P values.
202 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
205 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
206 are not legitimate small data references on SPE targets.
208 2008-01-28 David Daney <ddaney@avtrex.com>
210 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
212 2008-01-28 David Daney <ddaney@avtrex.com>
214 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
216 2008-01-27 Joseph Myers <joseph@codesourcery.com>
218 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
219 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
220 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
221 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
222 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
223 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
224 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
225 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
227 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
229 * basic-block.h (condjump_equiv_p): Fix comment.
231 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
233 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
234 print_generic_stmt_indented): Fix comment.
236 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
238 * configure.ac (__stack_chk_fail): Add detecion for availability
239 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
240 * configure: Regenerate.
242 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
245 * final.c (output_addr_const): Handle TRUNCATE.
247 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
250 * tree-ssa-loop-ivopts.c (comp_cost): New type.
251 (zero_cost, infinite_cost): New constants.
252 (struct cost_pair): Change type of cost to comp_cost.
253 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
254 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
256 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
257 split_address_cost, ptr_difference_cost, difference_cost,
258 get_computation_cost_at, get_computation_cost,
259 determine_use_iv_cost_generic, determine_use_iv_cost_address,
260 determine_use_iv_cost_condition, determine_use_iv_costs,
261 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
262 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
263 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
264 Change type of cost to comp_cost.
265 (determine_iv_cost): Increase cost of non-original ivs, instead
266 of decreasing the cost of original ones.
267 (get_address_cost): Indicate the complexity of the addressing mode
269 (try_add_cand_for): Prefer using ivs not specific to some object.
270 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
272 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
273 Janis Johnson <janis187@us.ibm.com>
276 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
277 (TARGET_INSTANTIATE_DECLS): Likewise.
278 * target.h (expand_to_rtl_hook): New target hook.
279 (instantiate_decls): Likewise.
280 * function.c (instantiate_decl): Make non-static. Rename to...
281 (instantiate_decl_rtl): ... this.
282 (instantiate_expr): Use instantiate_decl_rtl.
283 (instantiate_decls_1): Likewise.
284 (instantiate_decls): Likewise.
285 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
286 * function.h (instantiate_decl_rtl): Add prototype.
287 * cfgexpand.c (target.h): New include.
288 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
289 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
290 (TARGET_INSTANTIATE_DECLS): Likewise.
291 (TARGET_INITIALIZER): New target hooks added.
292 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
294 * config/rs6000/rs6000.c (tree-flow.h): New include.
295 (machine_function): Add sdmode_stack_slot field.
296 (rs6000_alloc_sdmode_stack_slot): New function.
297 (rs6000_instantiate_decls): Likewise.
298 (rs6000_secondary_memory_needed_rtx): Likewise.
299 (rs6000_check_sdmode): Likewise.
300 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
301 (TARGET_INSTANTIATE_DECLS): Likewise.
302 (rs6000_hard_regno_mode_ok): Allow SDmode.
303 (num_insns_constant): Likewise. Handle _Decimal32 constants.
304 (rs6000_emit_move): Handle SDmode.
305 (function_arg_advance): Likewise.
306 (function_arg): Likewise.
307 (rs6000_gimplify_va_arg): Likewise. Add special handling of
308 SDmode var args for 32-bit compiles.
309 (rs6000_secondary_reload_class): Handle SDmode.
310 (rs6000_output_function_epilogue): Likewise.
311 (rs6000_function_value): Simplify if statement.
312 (rs6000_libcall_value): Likewise.
313 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
314 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
315 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
316 (movsd_hardfloat): New define_insn.
317 (movsd_softfloat): Likewise.
318 (movsd_store): Likewise.
319 (movsd_load): Likewise.
320 (extendsddd2): Likewise.
321 (extendsdtd2): Likewise.
322 (truncddsd2): Likewise.
323 (movdd_hardfloat64): Fixup comment.
324 (UNSPEC_MOVSD_LOAD): New constant.
325 (UNSPEC_MOVSD_STORE): Likewise.
327 2008-01-26 Jakub Jelinek <jakub@redhat.com>
330 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
332 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
333 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
334 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
337 2008-01-26 David Edelsohn <edelsohn@gnu.org>
340 * config.gcc: Separate AIX 5.3 from AIX 6.1.
341 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
343 * config/rs6000/aix61.h: New file.
345 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
347 PR rtl-optimization/34959
348 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
349 popcount and parity rtxes the same mode as their operand.
350 Truncate or extend the result to the return value's mode
353 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
356 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
357 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
358 to GOT_VERSION_REGNUM.
359 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
360 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
361 * config/mips/mips.c (mips_emit_call_insn): New function.
362 (mips_call_tls_get_addr): Call mips_expand_call directly.
363 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
365 (mips16_build_call_stub): Likewise. Return the call insn or null.
366 (mips_expand_call): Update the call to mips16_build_call_stub
367 accordingly and a remove redundant condition. Assert that MIPS16
368 stubs do not use lazy binding. Use mips_emit_call_insn and return
370 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
372 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
373 (mips_avoid_hazard): Remove hazard_set handling.
374 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
375 (UNSPEC_RESTORE_GP): ...this.
376 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
377 (FAKE_CALL_REGNO): Rename to...
378 (GOT_VERSION_REGNUM): ...this.
379 (type): Add "ghost" value. Add an associated insn reservation.
380 (hazard_set): Remove.
381 (exception_receiver): Rename to...
382 (restore_gp): ...this and update the unspec identifier accordingly.
383 (exception_receiver, nonlocal_got_receiver): New expanders.
384 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
385 FAKE_CALL_REGNO. Remove hazard_set attribute.
386 (set_got_version, update_got_version): New patterns.
388 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
391 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
393 2008-01-25 Joseph Myers <joseph@codesourcery.com>
396 * doc/install.texi2html: Generate gcc-vers.texi.
398 2008-01-25 DJ Delorie <dj@redhat.com>
400 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
402 2008-01-25 Joseph Myers <joseph@codesourcery.com>
404 * config/c4x: Remove directory.
405 * config.gcc (crx-*, mt-*): Mark obsolete.
406 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
407 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
408 sh-*-rtemscoff*): Remove cases.
409 * defaults.h (C4X_FLOAT_FORMAT): Remove.
410 * real.c (encode_c4x_single, decode_c4x_single,
411 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
412 c4x_extended_format): Remove.
413 * real.h (c4x_single_format, c4x_extended_format): Remove.
414 * doc/extend.texi (interrupt, naked): Remove mention of attributes
416 (Pragmas): Remove comment about c4x pragmas.
417 * doc/install.texi (c4x): Remove target-specific instructions.
418 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
419 * doc/md.texi (Machine Constraints): Remove C4x documentation.
420 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
421 refer to C4x source files as examples.
422 (C4X_FLOAT_FORMAT): Remove documentation.
424 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
426 * config/bfin/bfin.c (override_options): Reorder tests so that
427 flag_pic gets enabled for -msep-data.
429 2008-01-25 Richard Guenther <rguenther@suse.de>
432 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
433 to its bitfield precision if required.
435 2008-01-25 Jakub Jelinek <jakub@redhat.com>
438 * tree-nested.c (walk_omp_for): New function.
439 (convert_nonlocal_reference, convert_local_reference): Call
440 walk_omp_for on OMP_FOR.
441 (convert_call_expr): Call walk_body on OMP_FOR's
442 OMP_FOR_PRE_INIT_BODY.
444 2008-01-25 Richard Guenther <rguenther@suse.de>
446 PR tree-optimization/34966
447 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
448 default defs and PHI_NODEs we have to insert after the
451 2008-01-24 Nick Clifton <nickc@redhat.com>
453 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
454 Provide a default definition.
455 (LIBGCC2_UNITS_PER_WORD): Likewise.
457 * config/stormy16/stormy16.c: Include df.h for the prototype
458 for df_regs_ever_live_p.
459 (xstormy16_expand_builtin_va_start): Convert the stack offset
460 into a component_ref and then use POINTER_PLUS_EXPR to add it
461 to the incoming_virtual_args_rtx.
462 (xstormy16_gimplify_va_arg_expr): Rename to
463 xstormy16_gimplify_va_arg_expr.
464 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
465 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
466 xstormy16_gimplify_va_arg_expr.
467 Fix up some formatting issues.
469 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
470 Move to predicates.md.
471 (xs_hi_general_operand): Likewise.
472 (xs_hi_nonmemory_operand): Likewise.
473 * config/stormy16/predicates.md:
474 (xstormy16_carry_plus_operand): New predicate.
475 (xs_hi_general_operand): New predicate.
476 (xs_hi_nonmemory_operand): New predicate.
477 * config/stormy16/stormy16-protos.h:
478 (xstormy16_carry_plus_operand): Delete prototype.
479 (xs_hi_general_operand): Likewise.
480 (xs_hi_nonmemory_operand): Likewise.
482 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
483 modifiers as they are no longer needed and they can trigger
484 reload spill failures.
486 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
487 with a match_operand in order to help reload.
489 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
490 constraint with 'e' for the 8th alternative as this version of
491 the mov.w instruction only accepts the lower 8 registers.
493 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
496 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
497 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
500 2008-01-25 Jakub Jelinek <jakub@redhat.com>
503 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
505 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
507 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
509 (remove_structure): Update allocations list before removing structure.
511 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
513 * ipa-struct-reorg.c (is_safe_cond_expr,
514 create_new_stmts_for_cond_expr): Use integer_zerop function,
515 that recognize not only zero-pointer, but zero-integer too.
517 2008-01-25 Ben Elliston <bje@au.ibm.com>
520 * fixproto: Escape "." in sed expression that strips leading "./".
522 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
525 * gcc.c (SWITCH_OK): Removed.
526 (SWITCH_LIVE): Changed to bit.
527 (SWITCH_FALSE): Likewise.
528 (SWITCH_IGNORE): Likewise.
529 (switchstr): Change live_cond to unsigned int.
530 (process_command): Replace SWITCH_OK with 0.
531 (do_self_spec): Likewise.
532 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
533 (give_switch): Likewise.
534 (used_arg): Likewise.
535 (do_spec_1): Set the SWITCH_IGNORE bit.
536 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
537 bits. Set the SWITCH_LIVE bit.
539 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
541 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
543 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
545 PR tree-optimization/34472
546 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
547 parameter to a "bool *" and set *DATA to false if there is
548 an unsafe access. Do not delete the structure here.
549 (check_cond_exprs): Delete it here instead.
550 (check_cond_exprs, exclude_cold_structs): Do not increase
551 I when removing a structure.
553 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
556 * config/i386/i386.c (ix86_expand_vector_init): Consider only
557 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
559 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
562 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
563 a fixed vector for stack.
565 2008-01-24 Ben Elliston <bje@au.ibm.com>
568 * doc/gcc.texi (Software development): Add a direntry for g++.
570 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
572 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
573 stale and straggling -fforce-addr comments above.
575 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
577 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
578 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
580 2008-01-23 Michael Matz <matz@suse.de>
583 * dwarf2out.c (force_type_die): Use modified_type_die instead of
586 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
588 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
591 2008-01-23 Anatoly Sokolov <aesok@post.ru>
593 * config/avr/avr.c (avr_current_arch): New variable.
594 (avr_arch_types): Add 'avr31' and 'avr51' entries.
595 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
596 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
597 (avr_override_options): Init 'avr_current_arch'.
598 (base_arch_s): Move from here...
599 * config/avr/avr.h (base_arch_s): ... here. Add new members
600 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
601 'mega' to 'have_jmp_call'.
602 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
603 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
605 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
607 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
608 MULTILIB_MATCHES): (Ditto.).
610 2008-01-23 Richard Guenther <rguenther@suse.de>
613 * cgraphunit.c (cgraph_reset_node): Always mark the node
614 not reachable if it is not queued already.
616 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
618 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
619 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
620 (cputype_selected): New static variable.
621 (bfin_handle_option): Set it if -mcpu is used.
622 (override_option): Select default set of workarounds if no cpu type
623 selected on the command line.
624 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
626 From Michael Frysinger <michael.frysinger@analog.com>
627 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
628 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
630 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
631 for bf547, bf523, bf524, and bf526.
632 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
634 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
635 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
636 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
637 __ADSPBF547__ and __ADSPBF54x__ for bf547.
638 * doc/invoke.texi (Blackfin Options): Document that
639 -mcpu now accept bf547, bf523, bf524, and bf526.
641 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
643 PR rtl-optimization/34628
644 * combine.c (try_combine): Stop and undo after the first combination
645 if an autoincrement side-effect on the first insn has effectively
648 2008-01-22 David Edelsohn <edelsohn@gnu.org>
651 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
652 Offset addresses are not valid for Altivec or paired float modes.
654 2008-01-22 Jakub Jelinek <jakub@redhat.com>
657 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
658 if DECL_INITIAL (decl) is error_mark_node.
661 * c-common.c (handle_vector_size_attribute): Only allow
662 integral, scalar float and fixed point types. Handle OFFSET_TYPE
663 the same way as pointer, array etc. types.
664 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
667 * tree.c (build_type_attribute_qual_variant): Call
668 build_qualified_type if attributes are equal, but quals are not.
670 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
673 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
674 * flags.h (warn_strict_aliasing): Remove.
675 (warn_strict_overflow): Remove.
676 * opts.c (warn_strict_aliasing): Remove.
677 (warn_strict_overflow): Remove.
678 * c-opts.c (c_common_handle_option): -Wall only sets
679 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
680 (c_common_post_options): Give default values to -Wstrict-aliasing
681 and -Wstrict-overflow if they are uninitialized.
682 * common.opt (Wstrict-aliasing): Specify Var and Init.
683 (Wstrict-overflow): Likewise.
685 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
687 PR rtl-optimization/26854
688 PR rtl-optimization/34400
689 PR rtl-optimization/34884
690 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
692 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
693 (df_rd_bb_info.expanded_lr_out): Deleted
694 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
695 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
696 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
697 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
698 Removed code to allocate, initialize or free expanded_lr_out.
699 (df_rd_bb_local_compute_process_def): Restructured to make more
701 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
702 sets if the sets are being trimmed.
704 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
707 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
709 * configure: Regenerated.
711 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
714 * tree-pass.h (pass_build_alias): New pass.
715 * tree-ssa-alias.c (gate_build_alias): New.
716 (pass_build_alias): New.
717 * passes.c (init_optimization_passes): Add pass_build_alias after
718 pass_create_structure_vars.
720 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
722 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
723 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
724 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
725 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
726 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
727 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
728 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
729 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
730 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
731 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
732 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
733 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
734 * config/s390/s390.md (FP_ALL): New mode iterator.
735 (_d): New mode attribute.
736 ("*signbit<mode>2>"): Changed mode of first operand.
737 ("isinf<mode>2"): Changed mode of first operand.
738 ("*TDC_insn"): Adaptation for DFP modes.
740 2008-01-22 Ben Elliston <bje@au.ibm.com>
742 * tree.c (check_qualified_type): Improve function description.
744 2008-01-21 Jason Merrill <jason@redhat.com>
747 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
748 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
751 2008-01-21 DJ Delorie <dj@redhat.com>
753 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
756 2008-01-21 Richard Guenther <rguenther@suse.de>
759 * tree-cfg.c (verify_expr): Allow all invariant expressions
760 instead of just constant class ones as reference argument.
761 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
762 like any other constant.
763 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
765 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
767 * regmove.c (fixup_match_1): Update call crossed frequencies.
769 2008-01-21 Richard Guenther <rguenther@suse.de>
772 * tree-inline.c (setup_one_parameter): Deal with mismatched
773 types using a VIEW_CONVERT_EXPR.
775 2008-01-21 Alon Dayan <alond@il.ibm.com>
776 Olga Golovanevsky <olga@il.ibm.com>
778 PR tree-optimization/34701
779 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
780 when the structure size is not a power of 2.
782 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
784 * doc/install.texi: Add doc for --enable-checking=df.
786 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
788 PR rtl-optimization/34808
789 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
791 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
793 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
796 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
798 PR rtl-optimization/26854
799 PR rtl-optimization/34400
800 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
802 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
803 (df_rd_bb_info.expanded_lr_out): New.
804 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
805 * loop_iv.c (iv_analysis_loop_init): Ditto.
806 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
807 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
808 Added code to allocate, initialize or free expanded_lr_out.
809 (df_rd_bb_local_compute_process_def): Restructured to make
811 (df_rd_confluence_n): Add code to do nothing with fake edges and
812 code to no apply invalidate_by_call sets if the sets are being trimmed.
813 (df_lr_local_finalize): Renamed to df_lr_finalize.
814 (df_live_local_finalize): Renamed to df_live_finalize.
816 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
819 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
820 deciding whether to use reciprocal instructions.
822 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
824 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
825 dwarf2out_note_section_used if cold_text_section is NULL.
827 2008-01-19 Jakub Jelinek <jakub@redhat.com>
829 PR gcov-profile/34610
830 * tree-cfg.c (make_edges): Mark both outgoing edges from
831 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
832 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
833 from OMP_FOR and OMP_CONTINUE outgoing edges.
835 * tree-profile.c (tree_profiling): Return early if
836 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
838 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
839 from cfun to child_cfun.
840 * function.h (struct function): Add after_tree_profile bit.
842 2008-01-19 Anatoly Sokolov <aesok@post.ru>
844 * config/avr/avr.S (_exit): Disable interrupt.
846 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
847 Steven Bosscher <stevenb.gcc@gmail.com>
849 PR rtl-optimization/26854
850 PR rtl-optimization/34400
851 * df-problems.c (df_live_scratch): New scratch bitmap.
852 (df_live_alloc): Allocate df_live_scratch when doing df_live.
853 (df_live_reset): Clear the proper bitmaps.
854 (df_live_bb_local_compute): Only process the artificial defs once
855 since the order is not important.
856 (df_live_init): Init the df_live sets only with the variables
858 (df_live_transfer_function): Use the df_lr sets to prune the
859 df_live sets as they are being computed.
860 (df_live_free): Free df_live_scratch.
862 2008-01-18 Ian Lance Taylor <iant@google.com>
864 * common.opt: Add fmerge-debug-strings.
865 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
866 flag_merge_debug_strings rather than flag_merge_constants.
867 * doc/invoke.texi (Option Summary): Mention
868 -fmerge-debug-strings.
869 (Debugging Options): Document -fmerge-debug-strings.
871 2008-01-18 Ian Lance Taylor <iant@google.com>
874 * tree.h (DECL_IS_OPERATOR_NEW): Define.
875 (struct tree_function_decl): Add new field operator_new_flag.
876 * tree-inline.c (expand_call_inline): When inlining a call to
877 operator new, force the return value to go into a variable, and
878 set DECL_NO_TBAA_P on that variable.
879 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
881 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
884 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
885 DWARF2_DEBUGGING_INFO.
886 (dwarf2out_note_section_used): Ditto. Add prototype.
887 (have_multiple_function_sections, text_section_used,
888 cold_text_section_used, *cold_text_sections): Move declarations
891 2008-01-17 Bob Wilson <bob.wilson@acm.org>
893 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
894 field and add signal_ra.
895 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
896 assignments to frame state pc. Move end of stack check after
897 MD_FALLBACK_FRAME_STATE_FOR.
898 (uw_update_context_1): Use frame state signal_regs if set, instead
899 of checking signal_frame flag.
900 (uw_update_context): Use frame state signal_ra if set.
901 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
902 * config/xtensa/linux-unwind.h: New file.
904 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
906 * modulo-sched.c (get_sched_window): Fix comment typo.
908 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
910 PR tree-optimization/34648
911 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
913 2008-01-17 Anatoly Sokolov <aesok@post.ru>
915 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
916 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
918 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
920 PR rtl-optimization/34400
921 * df-core.c (df_worklist_dataflow_overeager,
922 df_worklist_dataflow_doublequeue): New functions.
923 (df_worklist_dataflow): Two different worklist solvers.
924 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
927 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
930 * doc/invoke.texi: Document the dependence on pthread for fopenmp
931 and ftree-parallelize-loops.
933 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
935 PR rtl-optimization/34826
936 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
938 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
940 * global.c (find_reg): Mark the eh regs as used if necessary.
941 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
942 * ra.h (struct allocno): no_eh_reg field added. Changed
943 no_stack_reg type to bitfield.
945 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
947 * tree.c (substitute_in_expr): Add missing 'break'.
949 2008-01-17 Richard Guenther <rguenther@suse.de>
951 PR tree-optimization/34825
952 * tree-ssa-math-opts.c (is_division_by): Do not recognize
953 x / x as division to handle.
955 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
957 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
958 "-pthread" is specified.
959 * pa-hpux11.h (LIB_SPEC): Likewise.
961 2008-01-16 Janis Johnson <janis187@us.ibm.com>
962 Peter Bergner <bergner@vnet.ibm.com>
964 PR rtl-optimization/33796
965 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
967 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
970 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
972 * pa-hpux10.h (LINK_SPEC): Likewise.
973 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
975 2008-01-16 Richard Guenther <rguenther@suse.de>
978 * fold-const.c (fold_convert_const_int_from_int): Do not
979 set overflow if that occured only because of a sign extension
980 change when converting from/to a sizetype with the same
981 precision and signedness.
983 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
986 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
987 location address to the correct place. Update copyright year.
989 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
991 * lambda-code.c (lambda_transform_legal_p): Handle the case of
992 no dependences in the dependence_relations vector.
994 2008-01-16 Jan Hubicka <jh@suse.cz>
996 PR rtl-optimization/31396
997 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
998 * cfg.c (dump_reg_info): Print it.
999 * regs.h (struct reg_info_t): add freq_calls_crossed.
1000 (REG_FREQ_CALLS_CROSSED): New macro.
1001 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1002 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1003 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1004 regmove_optimize): Update call crossed frequencies.
1005 * local-alloc.c (struct qty): Add freq_calls_crossed.
1006 (alloc_qty): Copute freq_calls_crossed.
1007 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1008 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1009 * ra.h (struct allocno): Add freq_calls_crossed.
1011 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1013 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1014 libgomp when compiling with ftree-parallelize-loops.
1015 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1017 2008-01-16 Richard Guenther <rguenther@suse.de>
1019 PR tree-optimization/34769
1020 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1021 * tree.c (int_cst_value): Instead make this function more
1022 permissive in what it accepts as valid input. Document this
1023 function always sign-extends the value.
1025 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1026 Richard Guenther <rguenther@suse.de>
1029 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1030 (gimple_fold_indirect_ref_rhs): ... this.
1031 (gimple_fold_indirect_ref): New function with foldings
1032 that preserve lvalueness.
1033 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1034 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1035 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1036 to fold an INDIRECT_REF, fall back to the old use of
1037 fold_indirect_ref_1.
1039 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1041 * tree-data-ref.c (subscript_dependence_tester_1): Call
1042 free_conflict_function.
1043 (compute_self_dependence): Same.
1045 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1048 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1049 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1051 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1052 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1053 for DWARF2_UNWIND_INFO targets.
1055 2008-01-16 Richard Guenther <rguenther@suse.de>
1058 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1059 type qualifiers for function types.
1061 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1063 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1064 loop_iterator li from previous commit.
1066 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1068 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1070 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1072 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1073 (parallelize_loops): Don't parallelize irreducible components.
1075 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1078 * c-opts (c_common_post_options): Do not enable CPP
1079 flag_pedantic_errors by default.
1081 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1083 PR rtl-optimization/31944
1084 * cse.c (remove_pseudo_from_table): New function.
1085 (merge_equiv_classes): Use above function to remove pseudo-registers.
1086 (invalidate): Likewise.
1088 2008-01-13 Richard Guenther <rguenther@suse.de>
1091 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1092 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1094 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1096 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1097 validate_change to unshare the source of the PC set.
1099 2008-01-12 Jan Hubicka <jh@suse.cz>
1102 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1103 references above array bounds. This might trigger bounds checks for
1106 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1108 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1109 new_replaceable_dependencies.
1111 2008-01-12 Doug Kwan <dougkwan@google.com>
1113 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1114 instead of OPT_Wreturn_type in warning due to ignored return type
1116 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1117 options included in -Wextra.
1118 * c.opt: New option -Wignored_qualifiers.
1119 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1120 -Wignore_qualifiers.
1121 (-Wignored-qualifiers): Document.
1122 (-Wreturn-type): Remove description of functionality now handled
1123 by -Wignored-qualifiers.
1125 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1128 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1129 NOP_EXPR if it is between integral types with the same precision.
1131 2008-01-12 Jan Hubicka <jh@suse.cz>
1134 * invoke.texi (max-inline-recursive-depth): Fix default value.
1136 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1138 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1141 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1143 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1145 2008-01-11 James E. Wilson <wilson@specifix.com>
1148 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1150 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1152 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1153 save/restore frame pointer register and don't use 'call-prologues'
1154 optimization in function with "OS_task" attribute.
1156 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1159 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1160 when copying to memory.
1162 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1164 PR rtl-optimization/30905
1165 * cfgcleanup.c: Include dce.h
1166 (crossjumps_occured): New global variable.
1167 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1168 If something changed, set crossjumps_occured to true.
1169 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1170 Don't add/remove fake edges to exit here...
1171 (cleanup_cfg): ...but do it here, when crossjumping.
1172 Run a fast DCE when successful crossjumps occured in the latest
1173 iteration of try_optimize_cfg.
1175 2008-01-11 Richard Guenther <rguenther@suse.de>
1177 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1178 (struct vn_unary_op_s): Likewise.
1179 (vn_reference_insert): Free old reference on hash collision.
1181 2008-01-10 Raksit Ashok <raksit@google.com>
1183 PR rtl-optimization/27971
1184 * combine.c (find_split_point): Split PLUS expressions which are
1185 inside a MEM rtx, and whose first operand is complex.
1187 2008-01-10 DJ Delorie <dj@redhat.com>
1189 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1190 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1191 (m32c_hard_regno_ok): Call the underlying function.
1193 2008-01-10 Richard Guenther <rguenther@suse.de>
1196 * tree-cfg.c (tree_merge_blocks): Do not go through the
1197 full-blown folding and stmt updating path if we just deal
1198 with virtual operands.
1199 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1200 test for abnormal SSA_NAMEs.
1202 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1205 * reload.c (push_reload): Add assertions. All constants from
1206 reg_equiv_constant should have been used for replacing the respective
1208 (find_reloads_address): Invoke find_reloads_address_part for
1209 constant taken from the reg_equiv_constant array.
1211 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1213 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1214 field (valnum) the first in the struct. Replace bools with
1217 2008-01-10 Richard Guenther <rguenther@suse.de>
1219 PR tree-optimization/34651
1220 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1221 types and ordering for masking and converting.
1223 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1225 PR tree-optimization/34017
1226 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1227 also for PHI_NODE expressions.
1229 2008-01-09 Jan Hubicka <jh@suse.cz>
1231 PR tree-optimization/34708
1232 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1233 based on number of case labels.
1234 (init_inline_once): Remove switch_cost.
1235 * tree-inline.h (eni_weights_d): Remove switch_cost.
1237 2008-01-09 Richard Guenther <rguenther@suse.de>
1238 Andrew Pinski <andrew_pinski@playstation.sony.com>
1241 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1242 temporary if an rvalue is ok or an lvalue is not required.
1244 2008-01-09 Richard Guenther <rguenther@suse.de>
1247 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1250 2008-01-09 Richard Guenther <rguenther@suse.de>
1253 * tree.c (host_integerp): Check for sizetype only if the
1254 type is an integer type.
1256 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1259 * opts.c (decode_options): Disable inlining of functions called
1260 once if not in unit-at-a-time mode.
1262 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1264 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1266 2008-01-08 Richard Guenther <rguenther@suse.de>
1269 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1270 out early if the result will be unused.
1272 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1277 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1278 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1281 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1283 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1284 for vectorization tuned.
1286 2008-01-08 Richard Guenther <rguenther@suse.de>
1288 PR tree-optimization/34683
1289 * tree-ssa-operands.c (operand_build_cmp): Export.
1290 * tree-ssa-operands.h (operand_build_cmp): Declare.
1291 * tree-vn.c (vuses_compare): Remove.
1292 (sort_vuses): Use operand_build_cmp.
1293 (sort_vuses_heap): Likewise.
1294 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1295 to re-use old VEC if available. Do not sort already sorted VUSEs.
1296 (vdefs_to_vec): Do not sort already sorted VDEFs.
1298 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1301 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1303 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1306 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1307 limitations of reciprocal sequences on x86 targets.
1309 2008-01-08 Richard Guenther <rguenther@suse.de>
1311 PR tree-optimization/34683
1312 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1314 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1317 * config/darwin.c (darwin_mergeable_string_section): Don't use
1318 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1320 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1323 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1324 negxf2. Macroize expander using X87MODEF mode iterator. Change
1325 predicates of op0 and op1 to register_operand.
1326 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1327 expander using X87MODEF mode iterator. Change predicates of
1328 op0 and op1 to register_operand.
1329 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1330 corresponding patterns and macroize using MODEF macro. Change
1331 predicates of op0 and op1 to register_operand and remove
1332 "m" constraint. Disparage "r" alternative with "!".
1333 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1334 macroize using X87MODEF macro. Change predicates of op0 and op1
1335 to register_operand and remove "m" constraint. Disparage "r"
1336 alternative with "!".
1337 (absneg splitter with memory operands): Remove.
1338 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1339 patterns and macroize using X87MODEF mode iterator.
1340 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1341 Change predicate of op1 to register_operand.
1342 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1343 for memory operands.
1345 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1347 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1349 2008-01-07 Richard Guenther <rguenther@suse.de>
1351 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1354 2008-01-07 Richard Guenther <rguenther@suse.de>
1356 PR tree-optimization/34683
1357 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1358 VOPs of the needed size to save memory. Use VEC_quick_push
1359 to save compile-time.
1360 (vdefs_to_vec): Likewise.
1362 2008-01-07 Sa Liu <saliu@de.ibm.com>
1364 * config/spu/spu.md (divdf3): Genetate inline code for double
1365 division. The implementation doesn't handle INF or NAN, therefore it
1366 only applies when -ffinite-math-only is given.
1368 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1371 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1372 * doc/cpp.texi ([Common Predefined Macros]): Document.
1374 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1376 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1377 order to use commutative addition instead of subtraction.
1379 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1380 Mircea Namolaru <namolaru@il.ibm.com>
1381 Vladimir Yanovsky <yanov@il.ibm.com>
1382 Revital Eres <eres@il.ibm.com>
1384 PR tree-optimization/34263
1385 * tree-outof-ssa.c (process_single_block_loop_latch,
1386 contains_tree_r): New functions.
1387 (analyze_edges_for_bb): Call process_single_block_loop_latch
1388 function to empty single-basic-block latch block if possible.
1390 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1392 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1394 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1396 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1398 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1400 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1402 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1404 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1406 PR tree-optimization/34618
1407 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1410 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1413 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1414 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1415 Update copyright year.
1417 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1418 Update copyright year.
1419 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1422 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1424 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1425 edge does not point to current bb before changing need_assert.
1427 2008-01-04 Richard Guenther <rguenther@suse.de>
1430 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1431 for verifying purposes if they are is_gimple_min_invariant.
1433 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1435 PR tree-optimization/34448
1436 PR tree-optimization/34465
1437 * gimplify.c (gimplify_init_constructor): Add new parameter
1438 notify_temp_creation. Use it.
1439 (gimplify_modify_expr_rhs): Take volatiles into account when
1440 optimizing constructors.
1441 Do not optimize constructors if gimplify_init_constructor will dump to
1443 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1444 * gcc.c-torture/compile/pr34448.c: New.
1446 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1448 PR gcov-profile/34609
1449 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1450 return_slot if result is TREE_ADDRESSABLE.
1452 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1454 * config/mips/mips.md (sqrt_condition): Tweak comment.
1455 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1457 2008-01-03 Tom Tromey <tromey@redhat.com>
1460 * c-common.c (c_type_hash): Handle VLAs.
1462 2008-01-03 Jan Hubicka <jh@suse.cz>
1464 PR tree-optimization/31081
1465 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1466 0 when inlining and not inlining to first basic block.
1467 (remap_decl): When var is initialized to 0, don't set default_def.
1468 (expand_call_inline): Set entry_bb.
1469 * tree-inline.h (copy_body_data): Add entry_bb.
1471 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1474 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1477 PR tree-optimization/29484
1478 * tree-inline.c (inline_forbidden_p_2): New function.
1479 (inline_forbidden_p): Disallow inlining if some static var
1480 has an address of a local LABEL_DECL in its initializer.
1481 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1484 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1486 PR tree-optimization/34635
1487 * tree-data-ref.c (add_other_self_distances): Make sure that the
1488 evolution step is constant.
1490 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1493 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1495 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1497 * tree-sra.c (scalarize_init): Insert the generate_element_init
1498 statements after the generate_element_zero statements.
1500 2008-01-02 Richard Guenther <rguenther@suse.de>
1504 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1505 for very large number of operands instead of ICEing.
1507 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1510 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1511 while stack probing.
1513 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1515 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1518 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1521 * tree-mudflap.c (mx_register_decls): Guard warning by
1522 !DECL_ARTIFICIAL check.
1524 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1526 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1527 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1528 sse5_perm<mode>): Fix constraints.