1 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
6 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
9 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
10 to indicate if a message should be generated.
11 (init_cumulative_args): Updated.
12 (function_value_32): Likewise.
14 2008-02-05 Joseph Myers <joseph@codesourcery.com>
16 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
18 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
21 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
22 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
24 2008-02-04 Diego Novillo <dnovillo@google.com>
26 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
29 * tree-vrp.c (vrp_evaluate_conditional): With
30 -Wtype-limits, emit a warning when comparing against a
31 constant outside the natural range of OP0's type.
33 2008-02-04 Richard Guenther <rguenther@suse.de>
36 * expr.c (count_type_elements): Give for unions instead of
39 2008-02-04 Richard Guenther <rguenther@suse.de>
42 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
43 to TYPE_DOMAINs base type instead of using bitsizetype here.
45 2008-02-03 Jason Merrill <jason@redhat.com>
47 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
49 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
52 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
53 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
54 (RS/6000 and PowerPC Options): Fix typos and markup.
55 * doc/passes.texi (Tree-SSA passes): Likewise.
57 2008-02-02 Michael Matz <matz@suse.de>
60 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
61 from record_last_reg_set_info.
62 (record_last_reg_set_info): Take an RTX argument, iterate over all
64 (record_last_set_info, record_opr_changes): Change calls to
65 new signature or to record_last_reg_set_info_regno.
67 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
69 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
71 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
73 PR rtl-optimization/34773
74 * reg-notes.def (EQUAL): Mention significance of combination of
75 REG_EQUAL and REG_RETVAL.
76 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
77 insn that has a REG_RETVAL.
79 2008-02-01 Roger Sayle <roger@eyesopen.com>
82 * configure.ac (--enable-fixed-point): Disable unless explicitly
84 * configure: Regenerate.
86 2008-02-01 Richard Guenther <rguenther@suse.de>
89 * invoke.texi (-finline-limit): Remove no longer true parts
90 of the documentation. Note that there is no default value.
92 2008-02-01 Andrew Pinski <pinskia@gmail.com>
93 Mark Mitchell <mark@codesourcery.com>
94 Ben Elliston <bje@au.ibm.com>
97 * doc/extend.texi (Other Builtins): Document.
99 2008-01-31 Tom Browder <tom.browder@gmail.com>
101 * doc/c-tree.texi (Types): Fix grammar.
102 (Expression trees): Ditto.
103 * doc/passes.texi (Tree-SSA passes): Ditto.
105 * doc/configterms.texi (Configure Terms): Fix typo.
106 * doc/cpp.texi (Common Predefined Macros): Ditto.
107 * doc/md.texi (Machine Constraints): Ditto.
109 * doc/makefile.texi (Makefile): Add comma.
111 2008-01-31 Tom Browder <tom.browder@gmail.com>
112 Gerald Pfeifer <gerald@pfeifer.com>
114 * doc/sourcebuild.texi (Front End): Remove references to CVS
116 (Texinfo Manuals): Replace reference to CVS by one to SVN.
117 (Back End): Remove reference to CVS.
119 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
122 * config/mips/mips.c (gen_load_const_gp): New function, taking a
124 (mips16_gp_pseudo_reg): ...here.
125 * config/mips/mips.md (load_const_gp): Replace with...
126 (load_const_gp_<mode>): ...this :P-based insn.
128 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
130 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
131 options. Minor fixes.
132 (-std): Move reference to standards closer to where language
133 standards are first mentioned.
135 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
137 PR rtl-optimization/34995
138 * reload.c (alternative_allows_const_pool_ref): Take an rtx
139 parameter and return a bool. If the rtx parameter is nonnull,
140 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
141 (find_reloads): Update call accordingly. Pass the new operand
142 if it needed no address reloads, otherwise pass null.
144 2008-01-30 Richard Henderson <rth@redhat.com>
147 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
148 for unbounded arrays.
150 2008-01-30 Silvius Rus <rus@google.com>
152 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
154 2008-01-30 Jan Hubicka <jh@suse.cz>
157 * i386.c (init_cumulative_args): Use real function declaration when
160 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
162 PR rtl-optimization/34998
163 * global.c (build_insn_chain): Treat non-subreg_lowpart
164 SUBREGs of pseudos as clobbering all the words covered by the
165 SUBREG, not just all the bytes.
166 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
167 original df_ref rather than an extract parameter.
168 (global_conflicts): Update call accordingly.
170 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
172 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
173 the overflow check to make it easier to read.
174 (__fixtfdi): Change the type of the ll member in union
175 long_double to UDItype_x.
177 2008-01-30 Jakub Jelinek <jakub@redhat.com>
180 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
181 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
182 * tree-inline.c (fold_marked_statements): Call
183 cgraph_update_edges_for_call_stmt if folding a call statement.
184 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
185 debug_generic_stmt calls, reset it back afterwards.
188 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
190 * c-typeck.c (build_external_ref): Don't pedwarn about
191 static vars in current function's scope.
193 2008-01-29 Joseph Myers <joseph@codesourcery.com>
195 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
197 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
200 * ipa-struct-reorg.c: Fix spelling.
203 2008-01-29 Richard Guenther <rguenther@suse.de>
206 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
208 * tree-inline.c (remap_type): Increment remapping_type_depth
209 around remapping types.
210 (copy_body_r): Only add referenced variables if they are referenced
211 from code, not types.
213 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
224 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
225 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
227 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
230 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
231 pointer for tiny stack.
233 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
235 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
237 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
239 * config/vx-common.h: Fix typo in comment.
241 2008-01-28 Ian Lance Taylor <iant@google.com>
245 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
246 coalesce pointers if they have different DECL_NO_TBAA_P values.
247 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
248 between variables with different DECL_NO_TBAA_P values.
250 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
253 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
254 are not legitimate small data references on SPE targets.
256 2008-01-28 David Daney <ddaney@avtrex.com>
258 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
260 2008-01-28 David Daney <ddaney@avtrex.com>
262 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
264 2008-01-27 Joseph Myers <joseph@codesourcery.com>
266 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
267 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
268 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
269 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
270 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
271 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
272 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
273 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
275 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
277 * basic-block.h (condjump_equiv_p): Fix comment.
279 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
281 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
282 print_generic_stmt_indented): Fix comment.
284 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
286 * configure.ac (__stack_chk_fail): Add detecion for availability
287 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
288 * configure: Regenerate.
290 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
293 * final.c (output_addr_const): Handle TRUNCATE.
295 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
298 * tree-ssa-loop-ivopts.c (comp_cost): New type.
299 (zero_cost, infinite_cost): New constants.
300 (struct cost_pair): Change type of cost to comp_cost.
301 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
302 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
304 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
305 split_address_cost, ptr_difference_cost, difference_cost,
306 get_computation_cost_at, get_computation_cost,
307 determine_use_iv_cost_generic, determine_use_iv_cost_address,
308 determine_use_iv_cost_condition, determine_use_iv_costs,
309 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
310 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
311 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
312 Change type of cost to comp_cost.
313 (determine_iv_cost): Increase cost of non-original ivs, instead
314 of decreasing the cost of original ones.
315 (get_address_cost): Indicate the complexity of the addressing mode
317 (try_add_cand_for): Prefer using ivs not specific to some object.
318 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
320 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
321 Janis Johnson <janis187@us.ibm.com>
324 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
325 (TARGET_INSTANTIATE_DECLS): Likewise.
326 * target.h (expand_to_rtl_hook): New target hook.
327 (instantiate_decls): Likewise.
328 * function.c (instantiate_decl): Make non-static. Rename to...
329 (instantiate_decl_rtl): ... this.
330 (instantiate_expr): Use instantiate_decl_rtl.
331 (instantiate_decls_1): Likewise.
332 (instantiate_decls): Likewise.
333 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
334 * function.h (instantiate_decl_rtl): Add prototype.
335 * cfgexpand.c (target.h): New include.
336 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
337 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
338 (TARGET_INSTANTIATE_DECLS): Likewise.
339 (TARGET_INITIALIZER): New target hooks added.
340 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
342 * config/rs6000/rs6000.c (tree-flow.h): New include.
343 (machine_function): Add sdmode_stack_slot field.
344 (rs6000_alloc_sdmode_stack_slot): New function.
345 (rs6000_instantiate_decls): Likewise.
346 (rs6000_secondary_memory_needed_rtx): Likewise.
347 (rs6000_check_sdmode): Likewise.
348 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
349 (TARGET_INSTANTIATE_DECLS): Likewise.
350 (rs6000_hard_regno_mode_ok): Allow SDmode.
351 (num_insns_constant): Likewise. Handle _Decimal32 constants.
352 (rs6000_emit_move): Handle SDmode.
353 (function_arg_advance): Likewise.
354 (function_arg): Likewise.
355 (rs6000_gimplify_va_arg): Likewise. Add special handling of
356 SDmode var args for 32-bit compiles.
357 (rs6000_secondary_reload_class): Handle SDmode.
358 (rs6000_output_function_epilogue): Likewise.
359 (rs6000_function_value): Simplify if statement.
360 (rs6000_libcall_value): Likewise.
361 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
362 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
363 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
364 (movsd_hardfloat): New define_insn.
365 (movsd_softfloat): Likewise.
366 (movsd_store): Likewise.
367 (movsd_load): Likewise.
368 (extendsddd2): Likewise.
369 (extendsdtd2): Likewise.
370 (truncddsd2): Likewise.
371 (movdd_hardfloat64): Fixup comment.
372 (UNSPEC_MOVSD_LOAD): New constant.
373 (UNSPEC_MOVSD_STORE): Likewise.
375 2008-01-26 Jakub Jelinek <jakub@redhat.com>
378 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
380 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
381 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
382 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
385 2008-01-26 David Edelsohn <edelsohn@gnu.org>
388 * config.gcc: Separate AIX 5.3 from AIX 6.1.
389 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
391 * config/rs6000/aix61.h: New file.
393 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
395 PR rtl-optimization/34959
396 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
397 popcount and parity rtxes the same mode as their operand.
398 Truncate or extend the result to the return value's mode
401 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
404 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
405 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
406 to GOT_VERSION_REGNUM.
407 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
408 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
409 * config/mips/mips.c (mips_emit_call_insn): New function.
410 (mips_call_tls_get_addr): Call mips_expand_call directly.
411 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
413 (mips16_build_call_stub): Likewise. Return the call insn or null.
414 (mips_expand_call): Update the call to mips16_build_call_stub
415 accordingly and a remove redundant condition. Assert that MIPS16
416 stubs do not use lazy binding. Use mips_emit_call_insn and return
418 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
420 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
421 (mips_avoid_hazard): Remove hazard_set handling.
422 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
423 (UNSPEC_RESTORE_GP): ...this.
424 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
425 (FAKE_CALL_REGNO): Rename to...
426 (GOT_VERSION_REGNUM): ...this.
427 (type): Add "ghost" value. Add an associated insn reservation.
428 (hazard_set): Remove.
429 (exception_receiver): Rename to...
430 (restore_gp): ...this and update the unspec identifier accordingly.
431 (exception_receiver, nonlocal_got_receiver): New expanders.
432 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
433 FAKE_CALL_REGNO. Remove hazard_set attribute.
434 (set_got_version, update_got_version): New patterns.
436 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
439 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
441 2008-01-25 Joseph Myers <joseph@codesourcery.com>
444 * doc/install.texi2html: Generate gcc-vers.texi.
446 2008-01-25 DJ Delorie <dj@redhat.com>
448 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
450 2008-01-25 Joseph Myers <joseph@codesourcery.com>
452 * config/c4x: Remove directory.
453 * config.gcc (crx-*, mt-*): Mark obsolete.
454 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
455 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
456 sh-*-rtemscoff*): Remove cases.
457 * defaults.h (C4X_FLOAT_FORMAT): Remove.
458 * real.c (encode_c4x_single, decode_c4x_single,
459 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
460 c4x_extended_format): Remove.
461 * real.h (c4x_single_format, c4x_extended_format): Remove.
462 * doc/extend.texi (interrupt, naked): Remove mention of attributes
464 (Pragmas): Remove comment about c4x pragmas.
465 * doc/install.texi (c4x): Remove target-specific instructions.
466 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
467 * doc/md.texi (Machine Constraints): Remove C4x documentation.
468 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
469 refer to C4x source files as examples.
470 (C4X_FLOAT_FORMAT): Remove documentation.
472 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
474 * config/bfin/bfin.c (override_options): Reorder tests so that
475 flag_pic gets enabled for -msep-data.
477 2008-01-25 Richard Guenther <rguenther@suse.de>
480 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
481 to its bitfield precision if required.
483 2008-01-25 Jakub Jelinek <jakub@redhat.com>
486 * tree-nested.c (walk_omp_for): New function.
487 (convert_nonlocal_reference, convert_local_reference): Call
488 walk_omp_for on OMP_FOR.
489 (convert_call_expr): Call walk_body on OMP_FOR's
490 OMP_FOR_PRE_INIT_BODY.
492 2008-01-25 Richard Guenther <rguenther@suse.de>
494 PR tree-optimization/34966
495 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
496 default defs and PHI_NODEs we have to insert after the
499 2008-01-24 Nick Clifton <nickc@redhat.com>
501 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
502 Provide a default definition.
503 (LIBGCC2_UNITS_PER_WORD): Likewise.
505 * config/stormy16/stormy16.c: Include df.h for the prototype
506 for df_regs_ever_live_p.
507 (xstormy16_expand_builtin_va_start): Convert the stack offset
508 into a component_ref and then use POINTER_PLUS_EXPR to add it
509 to the incoming_virtual_args_rtx.
510 (xstormy16_gimplify_va_arg_expr): Rename to
511 xstormy16_gimplify_va_arg_expr.
512 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
513 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
514 xstormy16_gimplify_va_arg_expr.
515 Fix up some formatting issues.
517 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
518 Move to predicates.md.
519 (xs_hi_general_operand): Likewise.
520 (xs_hi_nonmemory_operand): Likewise.
521 * config/stormy16/predicates.md:
522 (xstormy16_carry_plus_operand): New predicate.
523 (xs_hi_general_operand): New predicate.
524 (xs_hi_nonmemory_operand): New predicate.
525 * config/stormy16/stormy16-protos.h:
526 (xstormy16_carry_plus_operand): Delete prototype.
527 (xs_hi_general_operand): Likewise.
528 (xs_hi_nonmemory_operand): Likewise.
530 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
531 modifiers as they are no longer needed and they can trigger
532 reload spill failures.
534 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
535 with a match_operand in order to help reload.
537 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
538 constraint with 'e' for the 8th alternative as this version of
539 the mov.w instruction only accepts the lower 8 registers.
541 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
544 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
545 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
548 2008-01-25 Jakub Jelinek <jakub@redhat.com>
551 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
553 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
555 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
557 (remove_structure): Update allocations list before removing structure.
559 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
561 * ipa-struct-reorg.c (is_safe_cond_expr,
562 create_new_stmts_for_cond_expr): Use integer_zerop function,
563 that recognize not only zero-pointer, but zero-integer too.
565 2008-01-25 Ben Elliston <bje@au.ibm.com>
568 * fixproto: Escape "." in sed expression that strips leading "./".
570 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
573 * gcc.c (SWITCH_OK): Removed.
574 (SWITCH_LIVE): Changed to bit.
575 (SWITCH_FALSE): Likewise.
576 (SWITCH_IGNORE): Likewise.
577 (switchstr): Change live_cond to unsigned int.
578 (process_command): Replace SWITCH_OK with 0.
579 (do_self_spec): Likewise.
580 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
581 (give_switch): Likewise.
582 (used_arg): Likewise.
583 (do_spec_1): Set the SWITCH_IGNORE bit.
584 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
585 bits. Set the SWITCH_LIVE bit.
587 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
589 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
591 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
593 PR tree-optimization/34472
594 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
595 parameter to a "bool *" and set *DATA to false if there is
596 an unsafe access. Do not delete the structure here.
597 (check_cond_exprs): Delete it here instead.
598 (check_cond_exprs, exclude_cold_structs): Do not increase
599 I when removing a structure.
601 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
604 * config/i386/i386.c (ix86_expand_vector_init): Consider only
605 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
607 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
610 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
611 a fixed vector for stack.
613 2008-01-24 Ben Elliston <bje@au.ibm.com>
616 * doc/gcc.texi (Software development): Add a direntry for g++.
618 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
620 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
621 stale and straggling -fforce-addr comments above.
623 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
625 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
626 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
628 2008-01-23 Michael Matz <matz@suse.de>
631 * dwarf2out.c (force_type_die): Use modified_type_die instead of
634 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
636 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
639 2008-01-23 Anatoly Sokolov <aesok@post.ru>
641 * config/avr/avr.c (avr_current_arch): New variable.
642 (avr_arch_types): Add 'avr31' and 'avr51' entries.
643 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
644 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
645 (avr_override_options): Init 'avr_current_arch'.
646 (base_arch_s): Move from here...
647 * config/avr/avr.h (base_arch_s): ... here. Add new members
648 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
649 'mega' to 'have_jmp_call'.
650 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
651 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
653 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
655 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
656 MULTILIB_MATCHES): (Ditto.).
658 2008-01-23 Richard Guenther <rguenther@suse.de>
661 * cgraphunit.c (cgraph_reset_node): Always mark the node
662 not reachable if it is not queued already.
664 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
666 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
667 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
668 (cputype_selected): New static variable.
669 (bfin_handle_option): Set it if -mcpu is used.
670 (override_option): Select default set of workarounds if no cpu type
671 selected on the command line.
672 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
674 From Michael Frysinger <michael.frysinger@analog.com>
675 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
676 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
678 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
679 for bf547, bf523, bf524, and bf526.
680 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
682 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
683 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
684 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
685 __ADSPBF547__ and __ADSPBF54x__ for bf547.
686 * doc/invoke.texi (Blackfin Options): Document that
687 -mcpu now accept bf547, bf523, bf524, and bf526.
689 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
691 PR rtl-optimization/34628
692 * combine.c (try_combine): Stop and undo after the first combination
693 if an autoincrement side-effect on the first insn has effectively
696 2008-01-22 David Edelsohn <edelsohn@gnu.org>
699 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
700 Offset addresses are not valid for Altivec or paired float modes.
702 2008-01-22 Jakub Jelinek <jakub@redhat.com>
705 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
706 if DECL_INITIAL (decl) is error_mark_node.
709 * c-common.c (handle_vector_size_attribute): Only allow
710 integral, scalar float and fixed point types. Handle OFFSET_TYPE
711 the same way as pointer, array etc. types.
712 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
715 * tree.c (build_type_attribute_qual_variant): Call
716 build_qualified_type if attributes are equal, but quals are not.
718 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
721 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
722 * flags.h (warn_strict_aliasing): Remove.
723 (warn_strict_overflow): Remove.
724 * opts.c (warn_strict_aliasing): Remove.
725 (warn_strict_overflow): Remove.
726 * c-opts.c (c_common_handle_option): -Wall only sets
727 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
728 (c_common_post_options): Give default values to -Wstrict-aliasing
729 and -Wstrict-overflow if they are uninitialized.
730 * common.opt (Wstrict-aliasing): Specify Var and Init.
731 (Wstrict-overflow): Likewise.
733 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
735 PR rtl-optimization/26854
736 PR rtl-optimization/34400
737 PR rtl-optimization/34884
738 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
740 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
741 (df_rd_bb_info.expanded_lr_out): Deleted
742 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
743 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
744 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
745 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
746 Removed code to allocate, initialize or free expanded_lr_out.
747 (df_rd_bb_local_compute_process_def): Restructured to make more
749 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
750 sets if the sets are being trimmed.
752 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
755 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
757 * configure: Regenerated.
759 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
762 * tree-pass.h (pass_build_alias): New pass.
763 * tree-ssa-alias.c (gate_build_alias): New.
764 (pass_build_alias): New.
765 * passes.c (init_optimization_passes): Add pass_build_alias after
766 pass_create_structure_vars.
768 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
770 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
771 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
772 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
773 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
774 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
775 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
776 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
777 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
778 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
779 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
780 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
781 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
782 * config/s390/s390.md (FP_ALL): New mode iterator.
783 (_d): New mode attribute.
784 ("*signbit<mode>2>"): Changed mode of first operand.
785 ("isinf<mode>2"): Changed mode of first operand.
786 ("*TDC_insn"): Adaptation for DFP modes.
788 2008-01-22 Ben Elliston <bje@au.ibm.com>
790 * tree.c (check_qualified_type): Improve function description.
792 2008-01-21 Jason Merrill <jason@redhat.com>
795 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
796 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
799 2008-01-21 DJ Delorie <dj@redhat.com>
801 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
804 2008-01-21 Richard Guenther <rguenther@suse.de>
807 * tree-cfg.c (verify_expr): Allow all invariant expressions
808 instead of just constant class ones as reference argument.
809 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
810 like any other constant.
811 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
813 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
815 * regmove.c (fixup_match_1): Update call crossed frequencies.
817 2008-01-21 Richard Guenther <rguenther@suse.de>
820 * tree-inline.c (setup_one_parameter): Deal with mismatched
821 types using a VIEW_CONVERT_EXPR.
823 2008-01-21 Alon Dayan <alond@il.ibm.com>
824 Olga Golovanevsky <olga@il.ibm.com>
826 PR tree-optimization/34701
827 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
828 when the structure size is not a power of 2.
830 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
832 * doc/install.texi: Add doc for --enable-checking=df.
834 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
836 PR rtl-optimization/34808
837 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
839 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
841 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
844 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
846 PR rtl-optimization/26854
847 PR rtl-optimization/34400
848 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
850 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
851 (df_rd_bb_info.expanded_lr_out): New.
852 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
853 * loop_iv.c (iv_analysis_loop_init): Ditto.
854 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
855 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
856 Added code to allocate, initialize or free expanded_lr_out.
857 (df_rd_bb_local_compute_process_def): Restructured to make
859 (df_rd_confluence_n): Add code to do nothing with fake edges and
860 code to no apply invalidate_by_call sets if the sets are being trimmed.
861 (df_lr_local_finalize): Renamed to df_lr_finalize.
862 (df_live_local_finalize): Renamed to df_live_finalize.
864 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
867 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
868 deciding whether to use reciprocal instructions.
870 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
872 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
873 dwarf2out_note_section_used if cold_text_section is NULL.
875 2008-01-19 Jakub Jelinek <jakub@redhat.com>
877 PR gcov-profile/34610
878 * tree-cfg.c (make_edges): Mark both outgoing edges from
879 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
880 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
881 from OMP_FOR and OMP_CONTINUE outgoing edges.
883 * tree-profile.c (tree_profiling): Return early if
884 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
886 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
887 from cfun to child_cfun.
888 * function.h (struct function): Add after_tree_profile bit.
890 2008-01-19 Anatoly Sokolov <aesok@post.ru>
892 * config/avr/avr.S (_exit): Disable interrupt.
894 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
895 Steven Bosscher <stevenb.gcc@gmail.com>
897 PR rtl-optimization/26854
898 PR rtl-optimization/34400
899 * df-problems.c (df_live_scratch): New scratch bitmap.
900 (df_live_alloc): Allocate df_live_scratch when doing df_live.
901 (df_live_reset): Clear the proper bitmaps.
902 (df_live_bb_local_compute): Only process the artificial defs once
903 since the order is not important.
904 (df_live_init): Init the df_live sets only with the variables
906 (df_live_transfer_function): Use the df_lr sets to prune the
907 df_live sets as they are being computed.
908 (df_live_free): Free df_live_scratch.
910 2008-01-18 Ian Lance Taylor <iant@google.com>
912 * common.opt: Add fmerge-debug-strings.
913 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
914 flag_merge_debug_strings rather than flag_merge_constants.
915 * doc/invoke.texi (Option Summary): Mention
916 -fmerge-debug-strings.
917 (Debugging Options): Document -fmerge-debug-strings.
919 2008-01-18 Ian Lance Taylor <iant@google.com>
922 * tree.h (DECL_IS_OPERATOR_NEW): Define.
923 (struct tree_function_decl): Add new field operator_new_flag.
924 * tree-inline.c (expand_call_inline): When inlining a call to
925 operator new, force the return value to go into a variable, and
926 set DECL_NO_TBAA_P on that variable.
927 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
929 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
932 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
933 DWARF2_DEBUGGING_INFO.
934 (dwarf2out_note_section_used): Ditto. Add prototype.
935 (have_multiple_function_sections, text_section_used,
936 cold_text_section_used, *cold_text_sections): Move declarations
939 2008-01-17 Bob Wilson <bob.wilson@acm.org>
941 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
942 field and add signal_ra.
943 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
944 assignments to frame state pc. Move end of stack check after
945 MD_FALLBACK_FRAME_STATE_FOR.
946 (uw_update_context_1): Use frame state signal_regs if set, instead
947 of checking signal_frame flag.
948 (uw_update_context): Use frame state signal_ra if set.
949 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
950 * config/xtensa/linux-unwind.h: New file.
952 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
954 * modulo-sched.c (get_sched_window): Fix comment typo.
956 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
958 PR tree-optimization/34648
959 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
961 2008-01-17 Anatoly Sokolov <aesok@post.ru>
963 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
964 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
966 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
968 PR rtl-optimization/34400
969 * df-core.c (df_worklist_dataflow_overeager,
970 df_worklist_dataflow_doublequeue): New functions.
971 (df_worklist_dataflow): Two different worklist solvers.
972 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
975 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
978 * doc/invoke.texi: Document the dependence on pthread for fopenmp
979 and ftree-parallelize-loops.
981 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
983 PR rtl-optimization/34826
984 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
986 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
988 * global.c (find_reg): Mark the eh regs as used if necessary.
989 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
990 * ra.h (struct allocno): no_eh_reg field added. Changed
991 no_stack_reg type to bitfield.
993 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
995 * tree.c (substitute_in_expr): Add missing 'break'.
997 2008-01-17 Richard Guenther <rguenther@suse.de>
999 PR tree-optimization/34825
1000 * tree-ssa-math-opts.c (is_division_by): Do not recognize
1001 x / x as division to handle.
1003 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1005 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1006 "-pthread" is specified.
1007 * pa-hpux11.h (LIB_SPEC): Likewise.
1009 2008-01-16 Janis Johnson <janis187@us.ibm.com>
1010 Peter Bergner <bergner@vnet.ibm.com>
1012 PR rtl-optimization/33796
1013 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1015 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1017 PR libgfortran/34699
1018 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1020 * pa-hpux10.h (LINK_SPEC): Likewise.
1021 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1023 2008-01-16 Richard Guenther <rguenther@suse.de>
1026 * fold-const.c (fold_convert_const_int_from_int): Do not
1027 set overflow if that occured only because of a sign extension
1028 change when converting from/to a sizetype with the same
1029 precision and signedness.
1031 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1034 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1035 location address to the correct place. Update copyright year.
1037 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1039 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1040 no dependences in the dependence_relations vector.
1042 2008-01-16 Jan Hubicka <jh@suse.cz>
1044 PR rtl-optimization/31396
1045 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1046 * cfg.c (dump_reg_info): Print it.
1047 * regs.h (struct reg_info_t): add freq_calls_crossed.
1048 (REG_FREQ_CALLS_CROSSED): New macro.
1049 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1050 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1051 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1052 regmove_optimize): Update call crossed frequencies.
1053 * local-alloc.c (struct qty): Add freq_calls_crossed.
1054 (alloc_qty): Copute freq_calls_crossed.
1055 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1056 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1057 * ra.h (struct allocno): Add freq_calls_crossed.
1059 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1061 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1062 libgomp when compiling with ftree-parallelize-loops.
1063 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1065 2008-01-16 Richard Guenther <rguenther@suse.de>
1067 PR tree-optimization/34769
1068 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1069 * tree.c (int_cst_value): Instead make this function more
1070 permissive in what it accepts as valid input. Document this
1071 function always sign-extends the value.
1073 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1074 Richard Guenther <rguenther@suse.de>
1077 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1078 (gimple_fold_indirect_ref_rhs): ... this.
1079 (gimple_fold_indirect_ref): New function with foldings
1080 that preserve lvalueness.
1081 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1082 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1083 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1084 to fold an INDIRECT_REF, fall back to the old use of
1085 fold_indirect_ref_1.
1087 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1089 * tree-data-ref.c (subscript_dependence_tester_1): Call
1090 free_conflict_function.
1091 (compute_self_dependence): Same.
1093 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1096 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1097 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1099 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1100 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1101 for DWARF2_UNWIND_INFO targets.
1103 2008-01-16 Richard Guenther <rguenther@suse.de>
1106 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1107 type qualifiers for function types.
1109 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1111 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1112 loop_iterator li from previous commit.
1114 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1116 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1118 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1120 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1121 (parallelize_loops): Don't parallelize irreducible components.
1123 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1126 * c-opts (c_common_post_options): Do not enable CPP
1127 flag_pedantic_errors by default.
1129 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1131 PR rtl-optimization/31944
1132 * cse.c (remove_pseudo_from_table): New function.
1133 (merge_equiv_classes): Use above function to remove pseudo-registers.
1134 (invalidate): Likewise.
1136 2008-01-13 Richard Guenther <rguenther@suse.de>
1139 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1140 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1142 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1144 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1145 validate_change to unshare the source of the PC set.
1147 2008-01-12 Jan Hubicka <jh@suse.cz>
1150 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1151 references above array bounds. This might trigger bounds checks for
1154 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1156 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1157 new_replaceable_dependencies.
1159 2008-01-12 Doug Kwan <dougkwan@google.com>
1161 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1162 instead of OPT_Wreturn_type in warning due to ignored return type
1164 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1165 options included in -Wextra.
1166 * c.opt: New option -Wignored_qualifiers.
1167 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1168 -Wignore_qualifiers.
1169 (-Wignored-qualifiers): Document.
1170 (-Wreturn-type): Remove description of functionality now handled
1171 by -Wignored-qualifiers.
1173 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1176 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1177 NOP_EXPR if it is between integral types with the same precision.
1179 2008-01-12 Jan Hubicka <jh@suse.cz>
1182 * invoke.texi (max-inline-recursive-depth): Fix default value.
1184 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1186 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1189 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1191 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1193 2008-01-11 James E. Wilson <wilson@specifix.com>
1196 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1198 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1200 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1201 save/restore frame pointer register and don't use 'call-prologues'
1202 optimization in function with "OS_task" attribute.
1204 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1207 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1208 when copying to memory.
1210 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1212 PR rtl-optimization/30905
1213 * cfgcleanup.c: Include dce.h
1214 (crossjumps_occured): New global variable.
1215 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1216 If something changed, set crossjumps_occured to true.
1217 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1218 Don't add/remove fake edges to exit here...
1219 (cleanup_cfg): ...but do it here, when crossjumping.
1220 Run a fast DCE when successful crossjumps occured in the latest
1221 iteration of try_optimize_cfg.
1223 2008-01-11 Richard Guenther <rguenther@suse.de>
1225 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1226 (struct vn_unary_op_s): Likewise.
1227 (vn_reference_insert): Free old reference on hash collision.
1229 2008-01-10 Raksit Ashok <raksit@google.com>
1231 PR rtl-optimization/27971
1232 * combine.c (find_split_point): Split PLUS expressions which are
1233 inside a MEM rtx, and whose first operand is complex.
1235 2008-01-10 DJ Delorie <dj@redhat.com>
1237 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1238 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1239 (m32c_hard_regno_ok): Call the underlying function.
1241 2008-01-10 Richard Guenther <rguenther@suse.de>
1244 * tree-cfg.c (tree_merge_blocks): Do not go through the
1245 full-blown folding and stmt updating path if we just deal
1246 with virtual operands.
1247 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1248 test for abnormal SSA_NAMEs.
1250 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1253 * reload.c (push_reload): Add assertions. All constants from
1254 reg_equiv_constant should have been used for replacing the respective
1256 (find_reloads_address): Invoke find_reloads_address_part for
1257 constant taken from the reg_equiv_constant array.
1259 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1261 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1262 field (valnum) the first in the struct. Replace bools with
1265 2008-01-10 Richard Guenther <rguenther@suse.de>
1267 PR tree-optimization/34651
1268 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1269 types and ordering for masking and converting.
1271 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1273 PR tree-optimization/34017
1274 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1275 also for PHI_NODE expressions.
1277 2008-01-09 Jan Hubicka <jh@suse.cz>
1279 PR tree-optimization/34708
1280 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1281 based on number of case labels.
1282 (init_inline_once): Remove switch_cost.
1283 * tree-inline.h (eni_weights_d): Remove switch_cost.
1285 2008-01-09 Richard Guenther <rguenther@suse.de>
1286 Andrew Pinski <andrew_pinski@playstation.sony.com>
1289 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1290 temporary if an rvalue is ok or an lvalue is not required.
1292 2008-01-09 Richard Guenther <rguenther@suse.de>
1295 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1298 2008-01-09 Richard Guenther <rguenther@suse.de>
1301 * tree.c (host_integerp): Check for sizetype only if the
1302 type is an integer type.
1304 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1307 * opts.c (decode_options): Disable inlining of functions called
1308 once if not in unit-at-a-time mode.
1310 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1312 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1314 2008-01-08 Richard Guenther <rguenther@suse.de>
1317 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1318 out early if the result will be unused.
1320 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1325 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1326 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1329 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1331 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1332 for vectorization tuned.
1334 2008-01-08 Richard Guenther <rguenther@suse.de>
1336 PR tree-optimization/34683
1337 * tree-ssa-operands.c (operand_build_cmp): Export.
1338 * tree-ssa-operands.h (operand_build_cmp): Declare.
1339 * tree-vn.c (vuses_compare): Remove.
1340 (sort_vuses): Use operand_build_cmp.
1341 (sort_vuses_heap): Likewise.
1342 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1343 to re-use old VEC if available. Do not sort already sorted VUSEs.
1344 (vdefs_to_vec): Do not sort already sorted VDEFs.
1346 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1349 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1351 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1354 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1355 limitations of reciprocal sequences on x86 targets.
1357 2008-01-08 Richard Guenther <rguenther@suse.de>
1359 PR tree-optimization/34683
1360 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1362 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1365 * config/darwin.c (darwin_mergeable_string_section): Don't use
1366 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1368 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1371 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1372 negxf2. Macroize expander using X87MODEF mode iterator. Change
1373 predicates of op0 and op1 to register_operand.
1374 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1375 expander using X87MODEF mode iterator. Change predicates of
1376 op0 and op1 to register_operand.
1377 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1378 corresponding patterns and macroize using MODEF macro. Change
1379 predicates of op0 and op1 to register_operand and remove
1380 "m" constraint. Disparage "r" alternative with "!".
1381 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1382 macroize using X87MODEF macro. Change predicates of op0 and op1
1383 to register_operand and remove "m" constraint. Disparage "r"
1384 alternative with "!".
1385 (absneg splitter with memory operands): Remove.
1386 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1387 patterns and macroize using X87MODEF mode iterator.
1388 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1389 Change predicate of op1 to register_operand.
1390 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1391 for memory operands.
1393 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1395 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1397 2008-01-07 Richard Guenther <rguenther@suse.de>
1399 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1402 2008-01-07 Richard Guenther <rguenther@suse.de>
1404 PR tree-optimization/34683
1405 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1406 VOPs of the needed size to save memory. Use VEC_quick_push
1407 to save compile-time.
1408 (vdefs_to_vec): Likewise.
1410 2008-01-07 Sa Liu <saliu@de.ibm.com>
1412 * config/spu/spu.md (divdf3): Genetate inline code for double
1413 division. The implementation doesn't handle INF or NAN, therefore it
1414 only applies when -ffinite-math-only is given.
1416 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1419 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1420 * doc/cpp.texi ([Common Predefined Macros]): Document.
1422 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1424 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1425 order to use commutative addition instead of subtraction.
1427 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1428 Mircea Namolaru <namolaru@il.ibm.com>
1429 Vladimir Yanovsky <yanov@il.ibm.com>
1430 Revital Eres <eres@il.ibm.com>
1432 PR tree-optimization/34263
1433 * tree-outof-ssa.c (process_single_block_loop_latch,
1434 contains_tree_r): New functions.
1435 (analyze_edges_for_bb): Call process_single_block_loop_latch
1436 function to empty single-basic-block latch block if possible.
1438 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1440 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1442 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1444 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1446 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1448 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1450 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1452 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1454 PR tree-optimization/34618
1455 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1458 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1461 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1462 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1463 Update copyright year.
1465 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1466 Update copyright year.
1467 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1470 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1472 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1473 edge does not point to current bb before changing need_assert.
1475 2008-01-04 Richard Guenther <rguenther@suse.de>
1478 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1479 for verifying purposes if they are is_gimple_min_invariant.
1481 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1483 PR tree-optimization/34448
1484 PR tree-optimization/34465
1485 * gimplify.c (gimplify_init_constructor): Add new parameter
1486 notify_temp_creation. Use it.
1487 (gimplify_modify_expr_rhs): Take volatiles into account when
1488 optimizing constructors.
1489 Do not optimize constructors if gimplify_init_constructor will dump to
1491 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1492 * gcc.c-torture/compile/pr34448.c: New.
1494 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1496 PR gcov-profile/34609
1497 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1498 return_slot if result is TREE_ADDRESSABLE.
1500 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1502 * config/mips/mips.md (sqrt_condition): Tweak comment.
1503 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1505 2008-01-03 Tom Tromey <tromey@redhat.com>
1508 * c-common.c (c_type_hash): Handle VLAs.
1510 2008-01-03 Jan Hubicka <jh@suse.cz>
1512 PR tree-optimization/31081
1513 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1514 0 when inlining and not inlining to first basic block.
1515 (remap_decl): When var is initialized to 0, don't set default_def.
1516 (expand_call_inline): Set entry_bb.
1517 * tree-inline.h (copy_body_data): Add entry_bb.
1519 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1522 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1525 PR tree-optimization/29484
1526 * tree-inline.c (inline_forbidden_p_2): New function.
1527 (inline_forbidden_p): Disallow inlining if some static var
1528 has an address of a local LABEL_DECL in its initializer.
1529 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1532 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1534 PR tree-optimization/34635
1535 * tree-data-ref.c (add_other_self_distances): Make sure that the
1536 evolution step is constant.
1538 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1541 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1543 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1545 * tree-sra.c (scalarize_init): Insert the generate_element_init
1546 statements after the generate_element_zero statements.
1548 2008-01-02 Richard Guenther <rguenther@suse.de>
1552 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1553 for very large number of operands instead of ICEing.
1555 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1558 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1559 while stack probing.
1561 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1563 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1566 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1569 * tree-mudflap.c (mx_register_decls): Guard warning by
1570 !DECL_ARTIFICIAL check.
1572 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1574 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1575 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1576 sse5_perm<mode>): Fix constraints.