1 2008-02-05 Joseph Myers <joseph@codesourcery.com>
3 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
5 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
8 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
9 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
11 2008-02-04 Diego Novillo <dnovillo@google.com>
13 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
16 * tree-vrp.c (vrp_evaluate_conditional): With
17 -Wtype-limits, emit a warning when comparing against a
18 constant outside the natural range of OP0's type.
20 2008-02-04 Richard Guenther <rguenther@suse.de>
23 * expr.c (count_type_elements): Give for unions instead of
26 2008-02-04 Richard Guenther <rguenther@suse.de>
29 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
30 to TYPE_DOMAINs base type instead of using bitsizetype here.
32 2008-02-03 Jason Merrill <jason@redhat.com>
34 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
36 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
39 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
40 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
41 (RS/6000 and PowerPC Options): Fix typos and markup.
42 * doc/passes.texi (Tree-SSA passes): Likewise.
44 2008-02-02 Michael Matz <matz@suse.de>
47 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
48 from record_last_reg_set_info.
49 (record_last_reg_set_info): Take an RTX argument, iterate over all
51 (record_last_set_info, record_opr_changes): Change calls to
52 new signature or to record_last_reg_set_info_regno.
54 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
56 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
58 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
60 PR rtl-optimization/34773
61 * reg-notes.def (EQUAL): Mention significance of combination of
62 REG_EQUAL and REG_RETVAL.
63 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
64 insn that has a REG_RETVAL.
66 2008-02-01 Roger Sayle <roger@eyesopen.com>
69 * configure.ac (--enable-fixed-point): Disable unless explicitly
71 * configure: Regenerate.
73 2008-02-01 Richard Guenther <rguenther@suse.de>
76 * invoke.texi (-finline-limit): Remove no longer true parts
77 of the documentation. Note that there is no default value.
79 2008-02-01 Andrew Pinski <pinskia@gmail.com>
80 Mark Mitchell <mark@codesourcery.com>
81 Ben Elliston <bje@au.ibm.com>
84 * doc/extend.texi (Other Builtins): Document.
86 2008-01-31 Tom Browder <tom.browder@gmail.com>
88 * doc/c-tree.texi (Types): Fix grammar.
89 (Expression trees): Ditto.
90 * doc/passes.texi (Tree-SSA passes): Ditto.
92 * doc/configterms.texi (Configure Terms): Fix typo.
93 * doc/cpp.texi (Common Predefined Macros): Ditto.
94 * doc/md.texi (Machine Constraints): Ditto.
96 * doc/makefile.texi (Makefile): Add comma.
98 2008-01-31 Tom Browder <tom.browder@gmail.com>
99 Gerald Pfeifer <gerald@pfeifer.com>
101 * doc/sourcebuild.texi (Front End): Remove references to CVS
103 (Texinfo Manuals): Replace reference to CVS by one to SVN.
104 (Back End): Remove reference to CVS.
106 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
109 * config/mips/mips.c (gen_load_const_gp): New function, taking a
111 (mips16_gp_pseudo_reg): ...here.
112 * config/mips/mips.md (load_const_gp): Replace with...
113 (load_const_gp_<mode>): ...this :P-based insn.
115 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
117 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
118 options. Minor fixes.
119 (-std): Move reference to standards closer to where language
120 standards are first mentioned.
122 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
124 PR rtl-optimization/34995
125 * reload.c (alternative_allows_const_pool_ref): Take an rtx
126 parameter and return a bool. If the rtx parameter is nonnull,
127 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
128 (find_reloads): Update call accordingly. Pass the new operand
129 if it needed no address reloads, otherwise pass null.
131 2008-01-30 Richard Henderson <rth@redhat.com>
134 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
135 for unbounded arrays.
137 2008-01-30 Silvius Rus <rus@google.com>
139 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
141 2008-01-30 Jan Hubicka <jh@suse.cz>
144 * i386.c (init_cumulative_args): Use real function declaration when
147 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
149 PR rtl-optimization/34998
150 * global.c (build_insn_chain): Treat non-subreg_lowpart
151 SUBREGs of pseudos as clobbering all the words covered by the
152 SUBREG, not just all the bytes.
153 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
154 original df_ref rather than an extract parameter.
155 (global_conflicts): Update call accordingly.
157 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
159 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
160 the overflow check to make it easier to read.
161 (__fixtfdi): Change the type of the ll member in union
162 long_double to UDItype_x.
164 2008-01-30 Jakub Jelinek <jakub@redhat.com>
167 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
168 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
169 * tree-inline.c (fold_marked_statements): Call
170 cgraph_update_edges_for_call_stmt if folding a call statement.
171 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
172 debug_generic_stmt calls, reset it back afterwards.
175 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
177 * c-typeck.c (build_external_ref): Don't pedwarn about
178 static vars in current function's scope.
180 2008-01-29 Joseph Myers <joseph@codesourcery.com>
182 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
184 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
187 * ipa-struct-reorg.c: Fix spelling.
190 2008-01-29 Richard Guenther <rguenther@suse.de>
193 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
195 * tree-inline.c (remap_type): Increment remapping_type_depth
196 around remapping types.
197 (copy_body_r): Only add referenced variables if they are referenced
198 from code, not types.
200 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
211 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
212 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
214 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
217 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
218 pointer for tiny stack.
220 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
222 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
224 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
226 * config/vx-common.h: Fix typo in comment.
228 2008-01-28 Ian Lance Taylor <iant@google.com>
232 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
233 coalesce pointers if they have different DECL_NO_TBAA_P values.
234 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
235 between variables with different DECL_NO_TBAA_P values.
237 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
240 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
241 are not legitimate small data references on SPE targets.
243 2008-01-28 David Daney <ddaney@avtrex.com>
245 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
247 2008-01-28 David Daney <ddaney@avtrex.com>
249 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
251 2008-01-27 Joseph Myers <joseph@codesourcery.com>
253 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
254 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
255 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
256 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
257 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
258 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
259 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
260 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
262 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
264 * basic-block.h (condjump_equiv_p): Fix comment.
266 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
268 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
269 print_generic_stmt_indented): Fix comment.
271 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
273 * configure.ac (__stack_chk_fail): Add detecion for availability
274 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
275 * configure: Regenerate.
277 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
280 * final.c (output_addr_const): Handle TRUNCATE.
282 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
285 * tree-ssa-loop-ivopts.c (comp_cost): New type.
286 (zero_cost, infinite_cost): New constants.
287 (struct cost_pair): Change type of cost to comp_cost.
288 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
289 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
291 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
292 split_address_cost, ptr_difference_cost, difference_cost,
293 get_computation_cost_at, get_computation_cost,
294 determine_use_iv_cost_generic, determine_use_iv_cost_address,
295 determine_use_iv_cost_condition, determine_use_iv_costs,
296 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
297 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
298 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
299 Change type of cost to comp_cost.
300 (determine_iv_cost): Increase cost of non-original ivs, instead
301 of decreasing the cost of original ones.
302 (get_address_cost): Indicate the complexity of the addressing mode
304 (try_add_cand_for): Prefer using ivs not specific to some object.
305 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
307 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
308 Janis Johnson <janis187@us.ibm.com>
311 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
312 (TARGET_INSTANTIATE_DECLS): Likewise.
313 * target.h (expand_to_rtl_hook): New target hook.
314 (instantiate_decls): Likewise.
315 * function.c (instantiate_decl): Make non-static. Rename to...
316 (instantiate_decl_rtl): ... this.
317 (instantiate_expr): Use instantiate_decl_rtl.
318 (instantiate_decls_1): Likewise.
319 (instantiate_decls): Likewise.
320 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
321 * function.h (instantiate_decl_rtl): Add prototype.
322 * cfgexpand.c (target.h): New include.
323 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
324 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
325 (TARGET_INSTANTIATE_DECLS): Likewise.
326 (TARGET_INITIALIZER): New target hooks added.
327 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
329 * config/rs6000/rs6000.c (tree-flow.h): New include.
330 (machine_function): Add sdmode_stack_slot field.
331 (rs6000_alloc_sdmode_stack_slot): New function.
332 (rs6000_instantiate_decls): Likewise.
333 (rs6000_secondary_memory_needed_rtx): Likewise.
334 (rs6000_check_sdmode): Likewise.
335 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
336 (TARGET_INSTANTIATE_DECLS): Likewise.
337 (rs6000_hard_regno_mode_ok): Allow SDmode.
338 (num_insns_constant): Likewise. Handle _Decimal32 constants.
339 (rs6000_emit_move): Handle SDmode.
340 (function_arg_advance): Likewise.
341 (function_arg): Likewise.
342 (rs6000_gimplify_va_arg): Likewise. Add special handling of
343 SDmode var args for 32-bit compiles.
344 (rs6000_secondary_reload_class): Handle SDmode.
345 (rs6000_output_function_epilogue): Likewise.
346 (rs6000_function_value): Simplify if statement.
347 (rs6000_libcall_value): Likewise.
348 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
349 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
350 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
351 (movsd_hardfloat): New define_insn.
352 (movsd_softfloat): Likewise.
353 (movsd_store): Likewise.
354 (movsd_load): Likewise.
355 (extendsddd2): Likewise.
356 (extendsdtd2): Likewise.
357 (truncddsd2): Likewise.
358 (movdd_hardfloat64): Fixup comment.
359 (UNSPEC_MOVSD_LOAD): New constant.
360 (UNSPEC_MOVSD_STORE): Likewise.
362 2008-01-26 Jakub Jelinek <jakub@redhat.com>
365 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
367 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
368 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
369 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
372 2008-01-26 David Edelsohn <edelsohn@gnu.org>
375 * config.gcc: Separate AIX 5.3 from AIX 6.1.
376 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
378 * config/rs6000/aix61.h: New file.
380 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
382 PR rtl-optimization/34959
383 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
384 popcount and parity rtxes the same mode as their operand.
385 Truncate or extend the result to the return value's mode
388 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
391 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
392 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
393 to GOT_VERSION_REGNUM.
394 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
395 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
396 * config/mips/mips.c (mips_emit_call_insn): New function.
397 (mips_call_tls_get_addr): Call mips_expand_call directly.
398 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
400 (mips16_build_call_stub): Likewise. Return the call insn or null.
401 (mips_expand_call): Update the call to mips16_build_call_stub
402 accordingly and a remove redundant condition. Assert that MIPS16
403 stubs do not use lazy binding. Use mips_emit_call_insn and return
405 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
407 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
408 (mips_avoid_hazard): Remove hazard_set handling.
409 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
410 (UNSPEC_RESTORE_GP): ...this.
411 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
412 (FAKE_CALL_REGNO): Rename to...
413 (GOT_VERSION_REGNUM): ...this.
414 (type): Add "ghost" value. Add an associated insn reservation.
415 (hazard_set): Remove.
416 (exception_receiver): Rename to...
417 (restore_gp): ...this and update the unspec identifier accordingly.
418 (exception_receiver, nonlocal_got_receiver): New expanders.
419 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
420 FAKE_CALL_REGNO. Remove hazard_set attribute.
421 (set_got_version, update_got_version): New patterns.
423 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
426 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
428 2008-01-25 Joseph Myers <joseph@codesourcery.com>
431 * doc/install.texi2html: Generate gcc-vers.texi.
433 2008-01-25 DJ Delorie <dj@redhat.com>
435 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
437 2008-01-25 Joseph Myers <joseph@codesourcery.com>
439 * config/c4x: Remove directory.
440 * config.gcc (crx-*, mt-*): Mark obsolete.
441 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
442 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
443 sh-*-rtemscoff*): Remove cases.
444 * defaults.h (C4X_FLOAT_FORMAT): Remove.
445 * real.c (encode_c4x_single, decode_c4x_single,
446 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
447 c4x_extended_format): Remove.
448 * real.h (c4x_single_format, c4x_extended_format): Remove.
449 * doc/extend.texi (interrupt, naked): Remove mention of attributes
451 (Pragmas): Remove comment about c4x pragmas.
452 * doc/install.texi (c4x): Remove target-specific instructions.
453 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
454 * doc/md.texi (Machine Constraints): Remove C4x documentation.
455 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
456 refer to C4x source files as examples.
457 (C4X_FLOAT_FORMAT): Remove documentation.
459 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
461 * config/bfin/bfin.c (override_options): Reorder tests so that
462 flag_pic gets enabled for -msep-data.
464 2008-01-25 Richard Guenther <rguenther@suse.de>
467 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
468 to its bitfield precision if required.
470 2008-01-25 Jakub Jelinek <jakub@redhat.com>
473 * tree-nested.c (walk_omp_for): New function.
474 (convert_nonlocal_reference, convert_local_reference): Call
475 walk_omp_for on OMP_FOR.
476 (convert_call_expr): Call walk_body on OMP_FOR's
477 OMP_FOR_PRE_INIT_BODY.
479 2008-01-25 Richard Guenther <rguenther@suse.de>
481 PR tree-optimization/34966
482 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
483 default defs and PHI_NODEs we have to insert after the
486 2008-01-24 Nick Clifton <nickc@redhat.com>
488 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
489 Provide a default definition.
490 (LIBGCC2_UNITS_PER_WORD): Likewise.
492 * config/stormy16/stormy16.c: Include df.h for the prototype
493 for df_regs_ever_live_p.
494 (xstormy16_expand_builtin_va_start): Convert the stack offset
495 into a component_ref and then use POINTER_PLUS_EXPR to add it
496 to the incoming_virtual_args_rtx.
497 (xstormy16_gimplify_va_arg_expr): Rename to
498 xstormy16_gimplify_va_arg_expr.
499 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
500 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
501 xstormy16_gimplify_va_arg_expr.
502 Fix up some formatting issues.
504 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
505 Move to predicates.md.
506 (xs_hi_general_operand): Likewise.
507 (xs_hi_nonmemory_operand): Likewise.
508 * config/stormy16/predicates.md:
509 (xstormy16_carry_plus_operand): New predicate.
510 (xs_hi_general_operand): New predicate.
511 (xs_hi_nonmemory_operand): New predicate.
512 * config/stormy16/stormy16-protos.h:
513 (xstormy16_carry_plus_operand): Delete prototype.
514 (xs_hi_general_operand): Likewise.
515 (xs_hi_nonmemory_operand): Likewise.
517 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
518 modifiers as they are no longer needed and they can trigger
519 reload spill failures.
521 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
522 with a match_operand in order to help reload.
524 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
525 constraint with 'e' for the 8th alternative as this version of
526 the mov.w instruction only accepts the lower 8 registers.
528 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
531 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
532 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
535 2008-01-25 Jakub Jelinek <jakub@redhat.com>
538 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
540 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
542 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
544 (remove_structure): Update allocations list before removing structure.
546 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
548 * ipa-struct-reorg.c (is_safe_cond_expr,
549 create_new_stmts_for_cond_expr): Use integer_zerop function,
550 that recognize not only zero-pointer, but zero-integer too.
552 2008-01-25 Ben Elliston <bje@au.ibm.com>
555 * fixproto: Escape "." in sed expression that strips leading "./".
557 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
560 * gcc.c (SWITCH_OK): Removed.
561 (SWITCH_LIVE): Changed to bit.
562 (SWITCH_FALSE): Likewise.
563 (SWITCH_IGNORE): Likewise.
564 (switchstr): Change live_cond to unsigned int.
565 (process_command): Replace SWITCH_OK with 0.
566 (do_self_spec): Likewise.
567 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
568 (give_switch): Likewise.
569 (used_arg): Likewise.
570 (do_spec_1): Set the SWITCH_IGNORE bit.
571 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
572 bits. Set the SWITCH_LIVE bit.
574 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
576 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
578 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
580 PR tree-optimization/34472
581 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
582 parameter to a "bool *" and set *DATA to false if there is
583 an unsafe access. Do not delete the structure here.
584 (check_cond_exprs): Delete it here instead.
585 (check_cond_exprs, exclude_cold_structs): Do not increase
586 I when removing a structure.
588 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
591 * config/i386/i386.c (ix86_expand_vector_init): Consider only
592 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
594 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
597 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
598 a fixed vector for stack.
600 2008-01-24 Ben Elliston <bje@au.ibm.com>
603 * doc/gcc.texi (Software development): Add a direntry for g++.
605 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
607 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
608 stale and straggling -fforce-addr comments above.
610 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
612 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
613 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
615 2008-01-23 Michael Matz <matz@suse.de>
618 * dwarf2out.c (force_type_die): Use modified_type_die instead of
621 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
623 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
626 2008-01-23 Anatoly Sokolov <aesok@post.ru>
628 * config/avr/avr.c (avr_current_arch): New variable.
629 (avr_arch_types): Add 'avr31' and 'avr51' entries.
630 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
631 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
632 (avr_override_options): Init 'avr_current_arch'.
633 (base_arch_s): Move from here...
634 * config/avr/avr.h (base_arch_s): ... here. Add new members
635 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
636 'mega' to 'have_jmp_call'.
637 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
638 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
640 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
642 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
643 MULTILIB_MATCHES): (Ditto.).
645 2008-01-23 Richard Guenther <rguenther@suse.de>
648 * cgraphunit.c (cgraph_reset_node): Always mark the node
649 not reachable if it is not queued already.
651 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
653 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
654 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
655 (cputype_selected): New static variable.
656 (bfin_handle_option): Set it if -mcpu is used.
657 (override_option): Select default set of workarounds if no cpu type
658 selected on the command line.
659 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
661 From Michael Frysinger <michael.frysinger@analog.com>
662 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
663 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
665 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
666 for bf547, bf523, bf524, and bf526.
667 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
669 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
670 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
671 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
672 __ADSPBF547__ and __ADSPBF54x__ for bf547.
673 * doc/invoke.texi (Blackfin Options): Document that
674 -mcpu now accept bf547, bf523, bf524, and bf526.
676 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
678 PR rtl-optimization/34628
679 * combine.c (try_combine): Stop and undo after the first combination
680 if an autoincrement side-effect on the first insn has effectively
683 2008-01-22 David Edelsohn <edelsohn@gnu.org>
686 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
687 Offset addresses are not valid for Altivec or paired float modes.
689 2008-01-22 Jakub Jelinek <jakub@redhat.com>
692 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
693 if DECL_INITIAL (decl) is error_mark_node.
696 * c-common.c (handle_vector_size_attribute): Only allow
697 integral, scalar float and fixed point types. Handle OFFSET_TYPE
698 the same way as pointer, array etc. types.
699 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
702 * tree.c (build_type_attribute_qual_variant): Call
703 build_qualified_type if attributes are equal, but quals are not.
705 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
708 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
709 * flags.h (warn_strict_aliasing): Remove.
710 (warn_strict_overflow): Remove.
711 * opts.c (warn_strict_aliasing): Remove.
712 (warn_strict_overflow): Remove.
713 * c-opts.c (c_common_handle_option): -Wall only sets
714 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
715 (c_common_post_options): Give default values to -Wstrict-aliasing
716 and -Wstrict-overflow if they are uninitialized.
717 * common.opt (Wstrict-aliasing): Specify Var and Init.
718 (Wstrict-overflow): Likewise.
720 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
722 PR rtl-optimization/26854
723 PR rtl-optimization/34400
724 PR rtl-optimization/34884
725 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
727 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
728 (df_rd_bb_info.expanded_lr_out): Deleted
729 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
730 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
731 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
732 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
733 Removed code to allocate, initialize or free expanded_lr_out.
734 (df_rd_bb_local_compute_process_def): Restructured to make more
736 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
737 sets if the sets are being trimmed.
739 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
742 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
744 * configure: Regenerated.
746 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
749 * tree-pass.h (pass_build_alias): New pass.
750 * tree-ssa-alias.c (gate_build_alias): New.
751 (pass_build_alias): New.
752 * passes.c (init_optimization_passes): Add pass_build_alias after
753 pass_create_structure_vars.
755 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
757 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
758 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
759 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
760 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
761 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
762 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
763 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
764 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
765 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
766 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
767 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
768 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
769 * config/s390/s390.md (FP_ALL): New mode iterator.
770 (_d): New mode attribute.
771 ("*signbit<mode>2>"): Changed mode of first operand.
772 ("isinf<mode>2"): Changed mode of first operand.
773 ("*TDC_insn"): Adaptation for DFP modes.
775 2008-01-22 Ben Elliston <bje@au.ibm.com>
777 * tree.c (check_qualified_type): Improve function description.
779 2008-01-21 Jason Merrill <jason@redhat.com>
782 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
783 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
786 2008-01-21 DJ Delorie <dj@redhat.com>
788 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
791 2008-01-21 Richard Guenther <rguenther@suse.de>
794 * tree-cfg.c (verify_expr): Allow all invariant expressions
795 instead of just constant class ones as reference argument.
796 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
797 like any other constant.
798 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
800 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
802 * regmove.c (fixup_match_1): Update call crossed frequencies.
804 2008-01-21 Richard Guenther <rguenther@suse.de>
807 * tree-inline.c (setup_one_parameter): Deal with mismatched
808 types using a VIEW_CONVERT_EXPR.
810 2008-01-21 Alon Dayan <alond@il.ibm.com>
811 Olga Golovanevsky <olga@il.ibm.com>
813 PR tree-optimization/34701
814 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
815 when the structure size is not a power of 2.
817 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
819 * doc/install.texi: Add doc for --enable-checking=df.
821 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
823 PR rtl-optimization/34808
824 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
826 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
828 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
831 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
833 PR rtl-optimization/26854
834 PR rtl-optimization/34400
835 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
837 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
838 (df_rd_bb_info.expanded_lr_out): New.
839 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
840 * loop_iv.c (iv_analysis_loop_init): Ditto.
841 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
842 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
843 Added code to allocate, initialize or free expanded_lr_out.
844 (df_rd_bb_local_compute_process_def): Restructured to make
846 (df_rd_confluence_n): Add code to do nothing with fake edges and
847 code to no apply invalidate_by_call sets if the sets are being trimmed.
848 (df_lr_local_finalize): Renamed to df_lr_finalize.
849 (df_live_local_finalize): Renamed to df_live_finalize.
851 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
854 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
855 deciding whether to use reciprocal instructions.
857 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
859 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
860 dwarf2out_note_section_used if cold_text_section is NULL.
862 2008-01-19 Jakub Jelinek <jakub@redhat.com>
864 PR gcov-profile/34610
865 * tree-cfg.c (make_edges): Mark both outgoing edges from
866 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
867 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
868 from OMP_FOR and OMP_CONTINUE outgoing edges.
870 * tree-profile.c (tree_profiling): Return early if
871 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
873 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
874 from cfun to child_cfun.
875 * function.h (struct function): Add after_tree_profile bit.
877 2008-01-19 Anatoly Sokolov <aesok@post.ru>
879 * config/avr/avr.S (_exit): Disable interrupt.
881 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
882 Steven Bosscher <stevenb.gcc@gmail.com>
884 PR rtl-optimization/26854
885 PR rtl-optimization/34400
886 * df-problems.c (df_live_scratch): New scratch bitmap.
887 (df_live_alloc): Allocate df_live_scratch when doing df_live.
888 (df_live_reset): Clear the proper bitmaps.
889 (df_live_bb_local_compute): Only process the artificial defs once
890 since the order is not important.
891 (df_live_init): Init the df_live sets only with the variables
893 (df_live_transfer_function): Use the df_lr sets to prune the
894 df_live sets as they are being computed.
895 (df_live_free): Free df_live_scratch.
897 2008-01-18 Ian Lance Taylor <iant@google.com>
899 * common.opt: Add fmerge-debug-strings.
900 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
901 flag_merge_debug_strings rather than flag_merge_constants.
902 * doc/invoke.texi (Option Summary): Mention
903 -fmerge-debug-strings.
904 (Debugging Options): Document -fmerge-debug-strings.
906 2008-01-18 Ian Lance Taylor <iant@google.com>
909 * tree.h (DECL_IS_OPERATOR_NEW): Define.
910 (struct tree_function_decl): Add new field operator_new_flag.
911 * tree-inline.c (expand_call_inline): When inlining a call to
912 operator new, force the return value to go into a variable, and
913 set DECL_NO_TBAA_P on that variable.
914 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
916 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
919 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
920 DWARF2_DEBUGGING_INFO.
921 (dwarf2out_note_section_used): Ditto. Add prototype.
922 (have_multiple_function_sections, text_section_used,
923 cold_text_section_used, *cold_text_sections): Move declarations
926 2008-01-17 Bob Wilson <bob.wilson@acm.org>
928 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
929 field and add signal_ra.
930 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
931 assignments to frame state pc. Move end of stack check after
932 MD_FALLBACK_FRAME_STATE_FOR.
933 (uw_update_context_1): Use frame state signal_regs if set, instead
934 of checking signal_frame flag.
935 (uw_update_context): Use frame state signal_ra if set.
936 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
937 * config/xtensa/linux-unwind.h: New file.
939 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
941 * modulo-sched.c (get_sched_window): Fix comment typo.
943 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
945 PR tree-optimization/34648
946 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
948 2008-01-17 Anatoly Sokolov <aesok@post.ru>
950 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
951 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
953 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
955 PR rtl-optimization/34400
956 * df-core.c (df_worklist_dataflow_overeager,
957 df_worklist_dataflow_doublequeue): New functions.
958 (df_worklist_dataflow): Two different worklist solvers.
959 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
962 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
965 * doc/invoke.texi: Document the dependence on pthread for fopenmp
966 and ftree-parallelize-loops.
968 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
970 PR rtl-optimization/34826
971 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
973 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
975 * global.c (find_reg): Mark the eh regs as used if necessary.
976 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
977 * ra.h (struct allocno): no_eh_reg field added. Changed
978 no_stack_reg type to bitfield.
980 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
982 * tree.c (substitute_in_expr): Add missing 'break'.
984 2008-01-17 Richard Guenther <rguenther@suse.de>
986 PR tree-optimization/34825
987 * tree-ssa-math-opts.c (is_division_by): Do not recognize
988 x / x as division to handle.
990 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
992 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
993 "-pthread" is specified.
994 * pa-hpux11.h (LIB_SPEC): Likewise.
996 2008-01-16 Janis Johnson <janis187@us.ibm.com>
997 Peter Bergner <bergner@vnet.ibm.com>
999 PR rtl-optimization/33796
1000 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1002 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1004 PR libgfortran/34699
1005 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1007 * pa-hpux10.h (LINK_SPEC): Likewise.
1008 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1010 2008-01-16 Richard Guenther <rguenther@suse.de>
1013 * fold-const.c (fold_convert_const_int_from_int): Do not
1014 set overflow if that occured only because of a sign extension
1015 change when converting from/to a sizetype with the same
1016 precision and signedness.
1018 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1021 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1022 location address to the correct place. Update copyright year.
1024 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1026 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1027 no dependences in the dependence_relations vector.
1029 2008-01-16 Jan Hubicka <jh@suse.cz>
1031 PR rtl-optimization/31396
1032 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1033 * cfg.c (dump_reg_info): Print it.
1034 * regs.h (struct reg_info_t): add freq_calls_crossed.
1035 (REG_FREQ_CALLS_CROSSED): New macro.
1036 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1037 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1038 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1039 regmove_optimize): Update call crossed frequencies.
1040 * local-alloc.c (struct qty): Add freq_calls_crossed.
1041 (alloc_qty): Copute freq_calls_crossed.
1042 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1043 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1044 * ra.h (struct allocno): Add freq_calls_crossed.
1046 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1048 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1049 libgomp when compiling with ftree-parallelize-loops.
1050 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1052 2008-01-16 Richard Guenther <rguenther@suse.de>
1054 PR tree-optimization/34769
1055 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1056 * tree.c (int_cst_value): Instead make this function more
1057 permissive in what it accepts as valid input. Document this
1058 function always sign-extends the value.
1060 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1061 Richard Guenther <rguenther@suse.de>
1064 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1065 (gimple_fold_indirect_ref_rhs): ... this.
1066 (gimple_fold_indirect_ref): New function with foldings
1067 that preserve lvalueness.
1068 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1069 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1070 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1071 to fold an INDIRECT_REF, fall back to the old use of
1072 fold_indirect_ref_1.
1074 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1076 * tree-data-ref.c (subscript_dependence_tester_1): Call
1077 free_conflict_function.
1078 (compute_self_dependence): Same.
1080 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1083 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1084 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1086 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1087 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1088 for DWARF2_UNWIND_INFO targets.
1090 2008-01-16 Richard Guenther <rguenther@suse.de>
1093 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1094 type qualifiers for function types.
1096 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1098 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1099 loop_iterator li from previous commit.
1101 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1103 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1105 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1107 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1108 (parallelize_loops): Don't parallelize irreducible components.
1110 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1113 * c-opts (c_common_post_options): Do not enable CPP
1114 flag_pedantic_errors by default.
1116 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1118 PR rtl-optimization/31944
1119 * cse.c (remove_pseudo_from_table): New function.
1120 (merge_equiv_classes): Use above function to remove pseudo-registers.
1121 (invalidate): Likewise.
1123 2008-01-13 Richard Guenther <rguenther@suse.de>
1126 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1127 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1129 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1131 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1132 validate_change to unshare the source of the PC set.
1134 2008-01-12 Jan Hubicka <jh@suse.cz>
1137 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1138 references above array bounds. This might trigger bounds checks for
1141 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1143 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1144 new_replaceable_dependencies.
1146 2008-01-12 Doug Kwan <dougkwan@google.com>
1148 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1149 instead of OPT_Wreturn_type in warning due to ignored return type
1151 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1152 options included in -Wextra.
1153 * c.opt: New option -Wignored_qualifiers.
1154 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1155 -Wignore_qualifiers.
1156 (-Wignored-qualifiers): Document.
1157 (-Wreturn-type): Remove description of functionality now handled
1158 by -Wignored-qualifiers.
1160 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1163 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1164 NOP_EXPR if it is between integral types with the same precision.
1166 2008-01-12 Jan Hubicka <jh@suse.cz>
1169 * invoke.texi (max-inline-recursive-depth): Fix default value.
1171 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1173 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1176 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1178 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1180 2008-01-11 James E. Wilson <wilson@specifix.com>
1183 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1185 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1187 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1188 save/restore frame pointer register and don't use 'call-prologues'
1189 optimization in function with "OS_task" attribute.
1191 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1194 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1195 when copying to memory.
1197 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1199 PR rtl-optimization/30905
1200 * cfgcleanup.c: Include dce.h
1201 (crossjumps_occured): New global variable.
1202 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1203 If something changed, set crossjumps_occured to true.
1204 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1205 Don't add/remove fake edges to exit here...
1206 (cleanup_cfg): ...but do it here, when crossjumping.
1207 Run a fast DCE when successful crossjumps occured in the latest
1208 iteration of try_optimize_cfg.
1210 2008-01-11 Richard Guenther <rguenther@suse.de>
1212 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1213 (struct vn_unary_op_s): Likewise.
1214 (vn_reference_insert): Free old reference on hash collision.
1216 2008-01-10 Raksit Ashok <raksit@google.com>
1218 PR rtl-optimization/27971
1219 * combine.c (find_split_point): Split PLUS expressions which are
1220 inside a MEM rtx, and whose first operand is complex.
1222 2008-01-10 DJ Delorie <dj@redhat.com>
1224 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1225 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1226 (m32c_hard_regno_ok): Call the underlying function.
1228 2008-01-10 Richard Guenther <rguenther@suse.de>
1231 * tree-cfg.c (tree_merge_blocks): Do not go through the
1232 full-blown folding and stmt updating path if we just deal
1233 with virtual operands.
1234 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1235 test for abnormal SSA_NAMEs.
1237 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1240 * reload.c (push_reload): Add assertions. All constants from
1241 reg_equiv_constant should have been used for replacing the respective
1243 (find_reloads_address): Invoke find_reloads_address_part for
1244 constant taken from the reg_equiv_constant array.
1246 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1248 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1249 field (valnum) the first in the struct. Replace bools with
1252 2008-01-10 Richard Guenther <rguenther@suse.de>
1254 PR tree-optimization/34651
1255 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1256 types and ordering for masking and converting.
1258 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1260 PR tree-optimization/34017
1261 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1262 also for PHI_NODE expressions.
1264 2008-01-09 Jan Hubicka <jh@suse.cz>
1266 PR tree-optimization/34708
1267 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1268 based on number of case labels.
1269 (init_inline_once): Remove switch_cost.
1270 * tree-inline.h (eni_weights_d): Remove switch_cost.
1272 2008-01-09 Richard Guenther <rguenther@suse.de>
1273 Andrew Pinski <andrew_pinski@playstation.sony.com>
1276 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1277 temporary if an rvalue is ok or an lvalue is not required.
1279 2008-01-09 Richard Guenther <rguenther@suse.de>
1282 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1285 2008-01-09 Richard Guenther <rguenther@suse.de>
1288 * tree.c (host_integerp): Check for sizetype only if the
1289 type is an integer type.
1291 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1294 * opts.c (decode_options): Disable inlining of functions called
1295 once if not in unit-at-a-time mode.
1297 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1299 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1301 2008-01-08 Richard Guenther <rguenther@suse.de>
1304 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1305 out early if the result will be unused.
1307 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1312 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1313 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1316 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1318 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1319 for vectorization tuned.
1321 2008-01-08 Richard Guenther <rguenther@suse.de>
1323 PR tree-optimization/34683
1324 * tree-ssa-operands.c (operand_build_cmp): Export.
1325 * tree-ssa-operands.h (operand_build_cmp): Declare.
1326 * tree-vn.c (vuses_compare): Remove.
1327 (sort_vuses): Use operand_build_cmp.
1328 (sort_vuses_heap): Likewise.
1329 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1330 to re-use old VEC if available. Do not sort already sorted VUSEs.
1331 (vdefs_to_vec): Do not sort already sorted VDEFs.
1333 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1336 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1338 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1341 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1342 limitations of reciprocal sequences on x86 targets.
1344 2008-01-08 Richard Guenther <rguenther@suse.de>
1346 PR tree-optimization/34683
1347 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1349 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1352 * config/darwin.c (darwin_mergeable_string_section): Don't use
1353 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1355 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1358 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1359 negxf2. Macroize expander using X87MODEF mode iterator. Change
1360 predicates of op0 and op1 to register_operand.
1361 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1362 expander using X87MODEF mode iterator. Change predicates of
1363 op0 and op1 to register_operand.
1364 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1365 corresponding patterns and macroize using MODEF macro. Change
1366 predicates of op0 and op1 to register_operand and remove
1367 "m" constraint. Disparage "r" alternative with "!".
1368 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1369 macroize using X87MODEF macro. Change predicates of op0 and op1
1370 to register_operand and remove "m" constraint. Disparage "r"
1371 alternative with "!".
1372 (absneg splitter with memory operands): Remove.
1373 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1374 patterns and macroize using X87MODEF mode iterator.
1375 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1376 Change predicate of op1 to register_operand.
1377 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1378 for memory operands.
1380 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1382 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1384 2008-01-07 Richard Guenther <rguenther@suse.de>
1386 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1389 2008-01-07 Richard Guenther <rguenther@suse.de>
1391 PR tree-optimization/34683
1392 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1393 VOPs of the needed size to save memory. Use VEC_quick_push
1394 to save compile-time.
1395 (vdefs_to_vec): Likewise.
1397 2008-01-07 Sa Liu <saliu@de.ibm.com>
1399 * config/spu/spu.md (divdf3): Genetate inline code for double
1400 division. The implementation doesn't handle INF or NAN, therefore it
1401 only applies when -ffinite-math-only is given.
1403 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1406 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1407 * doc/cpp.texi ([Common Predefined Macros]): Document.
1409 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1411 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1412 order to use commutative addition instead of subtraction.
1414 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1415 Mircea Namolaru <namolaru@il.ibm.com>
1416 Vladimir Yanovsky <yanov@il.ibm.com>
1417 Revital Eres <eres@il.ibm.com>
1419 PR tree-optimization/34263
1420 * tree-outof-ssa.c (process_single_block_loop_latch,
1421 contains_tree_r): New functions.
1422 (analyze_edges_for_bb): Call process_single_block_loop_latch
1423 function to empty single-basic-block latch block if possible.
1425 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1427 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1429 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1431 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1433 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1435 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1437 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1439 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1441 PR tree-optimization/34618
1442 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1445 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1448 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1449 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1450 Update copyright year.
1452 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1453 Update copyright year.
1454 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1457 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1459 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1460 edge does not point to current bb before changing need_assert.
1462 2008-01-04 Richard Guenther <rguenther@suse.de>
1465 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1466 for verifying purposes if they are is_gimple_min_invariant.
1468 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1470 PR tree-optimization/34448
1471 PR tree-optimization/34465
1472 * gimplify.c (gimplify_init_constructor): Add new parameter
1473 notify_temp_creation. Use it.
1474 (gimplify_modify_expr_rhs): Take volatiles into account when
1475 optimizing constructors.
1476 Do not optimize constructors if gimplify_init_constructor will dump to
1478 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1479 * gcc.c-torture/compile/pr34448.c: New.
1481 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1483 PR gcov-profile/34609
1484 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1485 return_slot if result is TREE_ADDRESSABLE.
1487 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1489 * config/mips/mips.md (sqrt_condition): Tweak comment.
1490 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1492 2008-01-03 Tom Tromey <tromey@redhat.com>
1495 * c-common.c (c_type_hash): Handle VLAs.
1497 2008-01-03 Jan Hubicka <jh@suse.cz>
1499 PR tree-optimization/31081
1500 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1501 0 when inlining and not inlining to first basic block.
1502 (remap_decl): When var is initialized to 0, don't set default_def.
1503 (expand_call_inline): Set entry_bb.
1504 * tree-inline.h (copy_body_data): Add entry_bb.
1506 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1509 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1512 PR tree-optimization/29484
1513 * tree-inline.c (inline_forbidden_p_2): New function.
1514 (inline_forbidden_p): Disallow inlining if some static var
1515 has an address of a local LABEL_DECL in its initializer.
1516 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1519 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1521 PR tree-optimization/34635
1522 * tree-data-ref.c (add_other_self_distances): Make sure that the
1523 evolution step is constant.
1525 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1528 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1530 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1532 * tree-sra.c (scalarize_init): Insert the generate_element_init
1533 statements after the generate_element_zero statements.
1535 2008-01-02 Richard Guenther <rguenther@suse.de>
1539 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1540 for very large number of operands instead of ICEing.
1542 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1545 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1546 while stack probing.
1548 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1550 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1553 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1556 * tree-mudflap.c (mx_register_decls): Guard warning by
1557 !DECL_ARTIFICIAL check.
1559 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1561 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1562 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1563 sse5_perm<mode>): Fix constraints.