1 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
4 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
5 to indicate if a message should be generated.
6 (init_cumulative_args): Updated.
7 (function_value_32): Likewise.
9 2008-02-05 Joseph Myers <joseph@codesourcery.com>
11 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
13 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
16 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
17 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
19 2008-02-04 Diego Novillo <dnovillo@google.com>
21 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
24 * tree-vrp.c (vrp_evaluate_conditional): With
25 -Wtype-limits, emit a warning when comparing against a
26 constant outside the natural range of OP0's type.
28 2008-02-04 Richard Guenther <rguenther@suse.de>
31 * expr.c (count_type_elements): Give for unions instead of
34 2008-02-04 Richard Guenther <rguenther@suse.de>
37 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
38 to TYPE_DOMAINs base type instead of using bitsizetype here.
40 2008-02-03 Jason Merrill <jason@redhat.com>
42 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
44 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
47 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
48 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
49 (RS/6000 and PowerPC Options): Fix typos and markup.
50 * doc/passes.texi (Tree-SSA passes): Likewise.
52 2008-02-02 Michael Matz <matz@suse.de>
55 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
56 from record_last_reg_set_info.
57 (record_last_reg_set_info): Take an RTX argument, iterate over all
59 (record_last_set_info, record_opr_changes): Change calls to
60 new signature or to record_last_reg_set_info_regno.
62 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
64 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
66 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
68 PR rtl-optimization/34773
69 * reg-notes.def (EQUAL): Mention significance of combination of
70 REG_EQUAL and REG_RETVAL.
71 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
72 insn that has a REG_RETVAL.
74 2008-02-01 Roger Sayle <roger@eyesopen.com>
77 * configure.ac (--enable-fixed-point): Disable unless explicitly
79 * configure: Regenerate.
81 2008-02-01 Richard Guenther <rguenther@suse.de>
84 * invoke.texi (-finline-limit): Remove no longer true parts
85 of the documentation. Note that there is no default value.
87 2008-02-01 Andrew Pinski <pinskia@gmail.com>
88 Mark Mitchell <mark@codesourcery.com>
89 Ben Elliston <bje@au.ibm.com>
92 * doc/extend.texi (Other Builtins): Document.
94 2008-01-31 Tom Browder <tom.browder@gmail.com>
96 * doc/c-tree.texi (Types): Fix grammar.
97 (Expression trees): Ditto.
98 * doc/passes.texi (Tree-SSA passes): Ditto.
100 * doc/configterms.texi (Configure Terms): Fix typo.
101 * doc/cpp.texi (Common Predefined Macros): Ditto.
102 * doc/md.texi (Machine Constraints): Ditto.
104 * doc/makefile.texi (Makefile): Add comma.
106 2008-01-31 Tom Browder <tom.browder@gmail.com>
107 Gerald Pfeifer <gerald@pfeifer.com>
109 * doc/sourcebuild.texi (Front End): Remove references to CVS
111 (Texinfo Manuals): Replace reference to CVS by one to SVN.
112 (Back End): Remove reference to CVS.
114 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
117 * config/mips/mips.c (gen_load_const_gp): New function, taking a
119 (mips16_gp_pseudo_reg): ...here.
120 * config/mips/mips.md (load_const_gp): Replace with...
121 (load_const_gp_<mode>): ...this :P-based insn.
123 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
125 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
126 options. Minor fixes.
127 (-std): Move reference to standards closer to where language
128 standards are first mentioned.
130 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
132 PR rtl-optimization/34995
133 * reload.c (alternative_allows_const_pool_ref): Take an rtx
134 parameter and return a bool. If the rtx parameter is nonnull,
135 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
136 (find_reloads): Update call accordingly. Pass the new operand
137 if it needed no address reloads, otherwise pass null.
139 2008-01-30 Richard Henderson <rth@redhat.com>
142 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
143 for unbounded arrays.
145 2008-01-30 Silvius Rus <rus@google.com>
147 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
149 2008-01-30 Jan Hubicka <jh@suse.cz>
152 * i386.c (init_cumulative_args): Use real function declaration when
155 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
157 PR rtl-optimization/34998
158 * global.c (build_insn_chain): Treat non-subreg_lowpart
159 SUBREGs of pseudos as clobbering all the words covered by the
160 SUBREG, not just all the bytes.
161 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
162 original df_ref rather than an extract parameter.
163 (global_conflicts): Update call accordingly.
165 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
167 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
168 the overflow check to make it easier to read.
169 (__fixtfdi): Change the type of the ll member in union
170 long_double to UDItype_x.
172 2008-01-30 Jakub Jelinek <jakub@redhat.com>
175 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
176 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
177 * tree-inline.c (fold_marked_statements): Call
178 cgraph_update_edges_for_call_stmt if folding a call statement.
179 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
180 debug_generic_stmt calls, reset it back afterwards.
183 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
185 * c-typeck.c (build_external_ref): Don't pedwarn about
186 static vars in current function's scope.
188 2008-01-29 Joseph Myers <joseph@codesourcery.com>
190 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
192 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
195 * ipa-struct-reorg.c: Fix spelling.
198 2008-01-29 Richard Guenther <rguenther@suse.de>
201 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
203 * tree-inline.c (remap_type): Increment remapping_type_depth
204 around remapping types.
205 (copy_body_r): Only add referenced variables if they are referenced
206 from code, not types.
208 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
219 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
220 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
222 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
225 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
226 pointer for tiny stack.
228 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
230 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
232 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
234 * config/vx-common.h: Fix typo in comment.
236 2008-01-28 Ian Lance Taylor <iant@google.com>
240 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
241 coalesce pointers if they have different DECL_NO_TBAA_P values.
242 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
243 between variables with different DECL_NO_TBAA_P values.
245 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
248 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
249 are not legitimate small data references on SPE targets.
251 2008-01-28 David Daney <ddaney@avtrex.com>
253 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
255 2008-01-28 David Daney <ddaney@avtrex.com>
257 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
259 2008-01-27 Joseph Myers <joseph@codesourcery.com>
261 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
262 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
263 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
264 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
265 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
266 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
267 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
268 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
270 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
272 * basic-block.h (condjump_equiv_p): Fix comment.
274 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
276 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
277 print_generic_stmt_indented): Fix comment.
279 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
281 * configure.ac (__stack_chk_fail): Add detecion for availability
282 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
283 * configure: Regenerate.
285 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
288 * final.c (output_addr_const): Handle TRUNCATE.
290 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
293 * tree-ssa-loop-ivopts.c (comp_cost): New type.
294 (zero_cost, infinite_cost): New constants.
295 (struct cost_pair): Change type of cost to comp_cost.
296 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
297 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
299 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
300 split_address_cost, ptr_difference_cost, difference_cost,
301 get_computation_cost_at, get_computation_cost,
302 determine_use_iv_cost_generic, determine_use_iv_cost_address,
303 determine_use_iv_cost_condition, determine_use_iv_costs,
304 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
305 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
306 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
307 Change type of cost to comp_cost.
308 (determine_iv_cost): Increase cost of non-original ivs, instead
309 of decreasing the cost of original ones.
310 (get_address_cost): Indicate the complexity of the addressing mode
312 (try_add_cand_for): Prefer using ivs not specific to some object.
313 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
315 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
316 Janis Johnson <janis187@us.ibm.com>
319 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
320 (TARGET_INSTANTIATE_DECLS): Likewise.
321 * target.h (expand_to_rtl_hook): New target hook.
322 (instantiate_decls): Likewise.
323 * function.c (instantiate_decl): Make non-static. Rename to...
324 (instantiate_decl_rtl): ... this.
325 (instantiate_expr): Use instantiate_decl_rtl.
326 (instantiate_decls_1): Likewise.
327 (instantiate_decls): Likewise.
328 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
329 * function.h (instantiate_decl_rtl): Add prototype.
330 * cfgexpand.c (target.h): New include.
331 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
332 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
333 (TARGET_INSTANTIATE_DECLS): Likewise.
334 (TARGET_INITIALIZER): New target hooks added.
335 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
337 * config/rs6000/rs6000.c (tree-flow.h): New include.
338 (machine_function): Add sdmode_stack_slot field.
339 (rs6000_alloc_sdmode_stack_slot): New function.
340 (rs6000_instantiate_decls): Likewise.
341 (rs6000_secondary_memory_needed_rtx): Likewise.
342 (rs6000_check_sdmode): Likewise.
343 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
344 (TARGET_INSTANTIATE_DECLS): Likewise.
345 (rs6000_hard_regno_mode_ok): Allow SDmode.
346 (num_insns_constant): Likewise. Handle _Decimal32 constants.
347 (rs6000_emit_move): Handle SDmode.
348 (function_arg_advance): Likewise.
349 (function_arg): Likewise.
350 (rs6000_gimplify_va_arg): Likewise. Add special handling of
351 SDmode var args for 32-bit compiles.
352 (rs6000_secondary_reload_class): Handle SDmode.
353 (rs6000_output_function_epilogue): Likewise.
354 (rs6000_function_value): Simplify if statement.
355 (rs6000_libcall_value): Likewise.
356 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
357 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
358 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
359 (movsd_hardfloat): New define_insn.
360 (movsd_softfloat): Likewise.
361 (movsd_store): Likewise.
362 (movsd_load): Likewise.
363 (extendsddd2): Likewise.
364 (extendsdtd2): Likewise.
365 (truncddsd2): Likewise.
366 (movdd_hardfloat64): Fixup comment.
367 (UNSPEC_MOVSD_LOAD): New constant.
368 (UNSPEC_MOVSD_STORE): Likewise.
370 2008-01-26 Jakub Jelinek <jakub@redhat.com>
373 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
375 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
376 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
377 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
380 2008-01-26 David Edelsohn <edelsohn@gnu.org>
383 * config.gcc: Separate AIX 5.3 from AIX 6.1.
384 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
386 * config/rs6000/aix61.h: New file.
388 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
390 PR rtl-optimization/34959
391 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
392 popcount and parity rtxes the same mode as their operand.
393 Truncate or extend the result to the return value's mode
396 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
399 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
400 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
401 to GOT_VERSION_REGNUM.
402 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
403 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
404 * config/mips/mips.c (mips_emit_call_insn): New function.
405 (mips_call_tls_get_addr): Call mips_expand_call directly.
406 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
408 (mips16_build_call_stub): Likewise. Return the call insn or null.
409 (mips_expand_call): Update the call to mips16_build_call_stub
410 accordingly and a remove redundant condition. Assert that MIPS16
411 stubs do not use lazy binding. Use mips_emit_call_insn and return
413 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
415 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
416 (mips_avoid_hazard): Remove hazard_set handling.
417 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
418 (UNSPEC_RESTORE_GP): ...this.
419 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
420 (FAKE_CALL_REGNO): Rename to...
421 (GOT_VERSION_REGNUM): ...this.
422 (type): Add "ghost" value. Add an associated insn reservation.
423 (hazard_set): Remove.
424 (exception_receiver): Rename to...
425 (restore_gp): ...this and update the unspec identifier accordingly.
426 (exception_receiver, nonlocal_got_receiver): New expanders.
427 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
428 FAKE_CALL_REGNO. Remove hazard_set attribute.
429 (set_got_version, update_got_version): New patterns.
431 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
434 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
436 2008-01-25 Joseph Myers <joseph@codesourcery.com>
439 * doc/install.texi2html: Generate gcc-vers.texi.
441 2008-01-25 DJ Delorie <dj@redhat.com>
443 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
445 2008-01-25 Joseph Myers <joseph@codesourcery.com>
447 * config/c4x: Remove directory.
448 * config.gcc (crx-*, mt-*): Mark obsolete.
449 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
450 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
451 sh-*-rtemscoff*): Remove cases.
452 * defaults.h (C4X_FLOAT_FORMAT): Remove.
453 * real.c (encode_c4x_single, decode_c4x_single,
454 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
455 c4x_extended_format): Remove.
456 * real.h (c4x_single_format, c4x_extended_format): Remove.
457 * doc/extend.texi (interrupt, naked): Remove mention of attributes
459 (Pragmas): Remove comment about c4x pragmas.
460 * doc/install.texi (c4x): Remove target-specific instructions.
461 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
462 * doc/md.texi (Machine Constraints): Remove C4x documentation.
463 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
464 refer to C4x source files as examples.
465 (C4X_FLOAT_FORMAT): Remove documentation.
467 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
469 * config/bfin/bfin.c (override_options): Reorder tests so that
470 flag_pic gets enabled for -msep-data.
472 2008-01-25 Richard Guenther <rguenther@suse.de>
475 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
476 to its bitfield precision if required.
478 2008-01-25 Jakub Jelinek <jakub@redhat.com>
481 * tree-nested.c (walk_omp_for): New function.
482 (convert_nonlocal_reference, convert_local_reference): Call
483 walk_omp_for on OMP_FOR.
484 (convert_call_expr): Call walk_body on OMP_FOR's
485 OMP_FOR_PRE_INIT_BODY.
487 2008-01-25 Richard Guenther <rguenther@suse.de>
489 PR tree-optimization/34966
490 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
491 default defs and PHI_NODEs we have to insert after the
494 2008-01-24 Nick Clifton <nickc@redhat.com>
496 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
497 Provide a default definition.
498 (LIBGCC2_UNITS_PER_WORD): Likewise.
500 * config/stormy16/stormy16.c: Include df.h for the prototype
501 for df_regs_ever_live_p.
502 (xstormy16_expand_builtin_va_start): Convert the stack offset
503 into a component_ref and then use POINTER_PLUS_EXPR to add it
504 to the incoming_virtual_args_rtx.
505 (xstormy16_gimplify_va_arg_expr): Rename to
506 xstormy16_gimplify_va_arg_expr.
507 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
508 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
509 xstormy16_gimplify_va_arg_expr.
510 Fix up some formatting issues.
512 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
513 Move to predicates.md.
514 (xs_hi_general_operand): Likewise.
515 (xs_hi_nonmemory_operand): Likewise.
516 * config/stormy16/predicates.md:
517 (xstormy16_carry_plus_operand): New predicate.
518 (xs_hi_general_operand): New predicate.
519 (xs_hi_nonmemory_operand): New predicate.
520 * config/stormy16/stormy16-protos.h:
521 (xstormy16_carry_plus_operand): Delete prototype.
522 (xs_hi_general_operand): Likewise.
523 (xs_hi_nonmemory_operand): Likewise.
525 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
526 modifiers as they are no longer needed and they can trigger
527 reload spill failures.
529 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
530 with a match_operand in order to help reload.
532 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
533 constraint with 'e' for the 8th alternative as this version of
534 the mov.w instruction only accepts the lower 8 registers.
536 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
539 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
540 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
543 2008-01-25 Jakub Jelinek <jakub@redhat.com>
546 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
548 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
550 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
552 (remove_structure): Update allocations list before removing structure.
554 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
556 * ipa-struct-reorg.c (is_safe_cond_expr,
557 create_new_stmts_for_cond_expr): Use integer_zerop function,
558 that recognize not only zero-pointer, but zero-integer too.
560 2008-01-25 Ben Elliston <bje@au.ibm.com>
563 * fixproto: Escape "." in sed expression that strips leading "./".
565 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
568 * gcc.c (SWITCH_OK): Removed.
569 (SWITCH_LIVE): Changed to bit.
570 (SWITCH_FALSE): Likewise.
571 (SWITCH_IGNORE): Likewise.
572 (switchstr): Change live_cond to unsigned int.
573 (process_command): Replace SWITCH_OK with 0.
574 (do_self_spec): Likewise.
575 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
576 (give_switch): Likewise.
577 (used_arg): Likewise.
578 (do_spec_1): Set the SWITCH_IGNORE bit.
579 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
580 bits. Set the SWITCH_LIVE bit.
582 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
584 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
586 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
588 PR tree-optimization/34472
589 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
590 parameter to a "bool *" and set *DATA to false if there is
591 an unsafe access. Do not delete the structure here.
592 (check_cond_exprs): Delete it here instead.
593 (check_cond_exprs, exclude_cold_structs): Do not increase
594 I when removing a structure.
596 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
599 * config/i386/i386.c (ix86_expand_vector_init): Consider only
600 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
602 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
605 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
606 a fixed vector for stack.
608 2008-01-24 Ben Elliston <bje@au.ibm.com>
611 * doc/gcc.texi (Software development): Add a direntry for g++.
613 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
615 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
616 stale and straggling -fforce-addr comments above.
618 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
620 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
621 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
623 2008-01-23 Michael Matz <matz@suse.de>
626 * dwarf2out.c (force_type_die): Use modified_type_die instead of
629 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
631 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
634 2008-01-23 Anatoly Sokolov <aesok@post.ru>
636 * config/avr/avr.c (avr_current_arch): New variable.
637 (avr_arch_types): Add 'avr31' and 'avr51' entries.
638 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
639 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
640 (avr_override_options): Init 'avr_current_arch'.
641 (base_arch_s): Move from here...
642 * config/avr/avr.h (base_arch_s): ... here. Add new members
643 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
644 'mega' to 'have_jmp_call'.
645 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
646 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
648 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
650 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
651 MULTILIB_MATCHES): (Ditto.).
653 2008-01-23 Richard Guenther <rguenther@suse.de>
656 * cgraphunit.c (cgraph_reset_node): Always mark the node
657 not reachable if it is not queued already.
659 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
661 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
662 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
663 (cputype_selected): New static variable.
664 (bfin_handle_option): Set it if -mcpu is used.
665 (override_option): Select default set of workarounds if no cpu type
666 selected on the command line.
667 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
669 From Michael Frysinger <michael.frysinger@analog.com>
670 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
671 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
673 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
674 for bf547, bf523, bf524, and bf526.
675 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
677 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
678 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
679 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
680 __ADSPBF547__ and __ADSPBF54x__ for bf547.
681 * doc/invoke.texi (Blackfin Options): Document that
682 -mcpu now accept bf547, bf523, bf524, and bf526.
684 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
686 PR rtl-optimization/34628
687 * combine.c (try_combine): Stop and undo after the first combination
688 if an autoincrement side-effect on the first insn has effectively
691 2008-01-22 David Edelsohn <edelsohn@gnu.org>
694 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
695 Offset addresses are not valid for Altivec or paired float modes.
697 2008-01-22 Jakub Jelinek <jakub@redhat.com>
700 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
701 if DECL_INITIAL (decl) is error_mark_node.
704 * c-common.c (handle_vector_size_attribute): Only allow
705 integral, scalar float and fixed point types. Handle OFFSET_TYPE
706 the same way as pointer, array etc. types.
707 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
710 * tree.c (build_type_attribute_qual_variant): Call
711 build_qualified_type if attributes are equal, but quals are not.
713 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
716 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
717 * flags.h (warn_strict_aliasing): Remove.
718 (warn_strict_overflow): Remove.
719 * opts.c (warn_strict_aliasing): Remove.
720 (warn_strict_overflow): Remove.
721 * c-opts.c (c_common_handle_option): -Wall only sets
722 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
723 (c_common_post_options): Give default values to -Wstrict-aliasing
724 and -Wstrict-overflow if they are uninitialized.
725 * common.opt (Wstrict-aliasing): Specify Var and Init.
726 (Wstrict-overflow): Likewise.
728 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
730 PR rtl-optimization/26854
731 PR rtl-optimization/34400
732 PR rtl-optimization/34884
733 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
735 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
736 (df_rd_bb_info.expanded_lr_out): Deleted
737 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
738 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
739 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
740 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
741 Removed code to allocate, initialize or free expanded_lr_out.
742 (df_rd_bb_local_compute_process_def): Restructured to make more
744 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
745 sets if the sets are being trimmed.
747 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
750 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
752 * configure: Regenerated.
754 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
757 * tree-pass.h (pass_build_alias): New pass.
758 * tree-ssa-alias.c (gate_build_alias): New.
759 (pass_build_alias): New.
760 * passes.c (init_optimization_passes): Add pass_build_alias after
761 pass_create_structure_vars.
763 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
765 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
766 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
767 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
768 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
769 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
770 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
771 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
772 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
773 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
774 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
775 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
776 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
777 * config/s390/s390.md (FP_ALL): New mode iterator.
778 (_d): New mode attribute.
779 ("*signbit<mode>2>"): Changed mode of first operand.
780 ("isinf<mode>2"): Changed mode of first operand.
781 ("*TDC_insn"): Adaptation for DFP modes.
783 2008-01-22 Ben Elliston <bje@au.ibm.com>
785 * tree.c (check_qualified_type): Improve function description.
787 2008-01-21 Jason Merrill <jason@redhat.com>
790 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
791 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
794 2008-01-21 DJ Delorie <dj@redhat.com>
796 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
799 2008-01-21 Richard Guenther <rguenther@suse.de>
802 * tree-cfg.c (verify_expr): Allow all invariant expressions
803 instead of just constant class ones as reference argument.
804 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
805 like any other constant.
806 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
808 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
810 * regmove.c (fixup_match_1): Update call crossed frequencies.
812 2008-01-21 Richard Guenther <rguenther@suse.de>
815 * tree-inline.c (setup_one_parameter): Deal with mismatched
816 types using a VIEW_CONVERT_EXPR.
818 2008-01-21 Alon Dayan <alond@il.ibm.com>
819 Olga Golovanevsky <olga@il.ibm.com>
821 PR tree-optimization/34701
822 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
823 when the structure size is not a power of 2.
825 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
827 * doc/install.texi: Add doc for --enable-checking=df.
829 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
831 PR rtl-optimization/34808
832 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
834 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
836 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
839 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
841 PR rtl-optimization/26854
842 PR rtl-optimization/34400
843 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
845 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
846 (df_rd_bb_info.expanded_lr_out): New.
847 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
848 * loop_iv.c (iv_analysis_loop_init): Ditto.
849 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
850 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
851 Added code to allocate, initialize or free expanded_lr_out.
852 (df_rd_bb_local_compute_process_def): Restructured to make
854 (df_rd_confluence_n): Add code to do nothing with fake edges and
855 code to no apply invalidate_by_call sets if the sets are being trimmed.
856 (df_lr_local_finalize): Renamed to df_lr_finalize.
857 (df_live_local_finalize): Renamed to df_live_finalize.
859 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
862 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
863 deciding whether to use reciprocal instructions.
865 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
867 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
868 dwarf2out_note_section_used if cold_text_section is NULL.
870 2008-01-19 Jakub Jelinek <jakub@redhat.com>
872 PR gcov-profile/34610
873 * tree-cfg.c (make_edges): Mark both outgoing edges from
874 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
875 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
876 from OMP_FOR and OMP_CONTINUE outgoing edges.
878 * tree-profile.c (tree_profiling): Return early if
879 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
881 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
882 from cfun to child_cfun.
883 * function.h (struct function): Add after_tree_profile bit.
885 2008-01-19 Anatoly Sokolov <aesok@post.ru>
887 * config/avr/avr.S (_exit): Disable interrupt.
889 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
890 Steven Bosscher <stevenb.gcc@gmail.com>
892 PR rtl-optimization/26854
893 PR rtl-optimization/34400
894 * df-problems.c (df_live_scratch): New scratch bitmap.
895 (df_live_alloc): Allocate df_live_scratch when doing df_live.
896 (df_live_reset): Clear the proper bitmaps.
897 (df_live_bb_local_compute): Only process the artificial defs once
898 since the order is not important.
899 (df_live_init): Init the df_live sets only with the variables
901 (df_live_transfer_function): Use the df_lr sets to prune the
902 df_live sets as they are being computed.
903 (df_live_free): Free df_live_scratch.
905 2008-01-18 Ian Lance Taylor <iant@google.com>
907 * common.opt: Add fmerge-debug-strings.
908 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
909 flag_merge_debug_strings rather than flag_merge_constants.
910 * doc/invoke.texi (Option Summary): Mention
911 -fmerge-debug-strings.
912 (Debugging Options): Document -fmerge-debug-strings.
914 2008-01-18 Ian Lance Taylor <iant@google.com>
917 * tree.h (DECL_IS_OPERATOR_NEW): Define.
918 (struct tree_function_decl): Add new field operator_new_flag.
919 * tree-inline.c (expand_call_inline): When inlining a call to
920 operator new, force the return value to go into a variable, and
921 set DECL_NO_TBAA_P on that variable.
922 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
924 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
927 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
928 DWARF2_DEBUGGING_INFO.
929 (dwarf2out_note_section_used): Ditto. Add prototype.
930 (have_multiple_function_sections, text_section_used,
931 cold_text_section_used, *cold_text_sections): Move declarations
934 2008-01-17 Bob Wilson <bob.wilson@acm.org>
936 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
937 field and add signal_ra.
938 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
939 assignments to frame state pc. Move end of stack check after
940 MD_FALLBACK_FRAME_STATE_FOR.
941 (uw_update_context_1): Use frame state signal_regs if set, instead
942 of checking signal_frame flag.
943 (uw_update_context): Use frame state signal_ra if set.
944 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
945 * config/xtensa/linux-unwind.h: New file.
947 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
949 * modulo-sched.c (get_sched_window): Fix comment typo.
951 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
953 PR tree-optimization/34648
954 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
956 2008-01-17 Anatoly Sokolov <aesok@post.ru>
958 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
959 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
961 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
963 PR rtl-optimization/34400
964 * df-core.c (df_worklist_dataflow_overeager,
965 df_worklist_dataflow_doublequeue): New functions.
966 (df_worklist_dataflow): Two different worklist solvers.
967 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
970 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
973 * doc/invoke.texi: Document the dependence on pthread for fopenmp
974 and ftree-parallelize-loops.
976 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
978 PR rtl-optimization/34826
979 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
981 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
983 * global.c (find_reg): Mark the eh regs as used if necessary.
984 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
985 * ra.h (struct allocno): no_eh_reg field added. Changed
986 no_stack_reg type to bitfield.
988 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
990 * tree.c (substitute_in_expr): Add missing 'break'.
992 2008-01-17 Richard Guenther <rguenther@suse.de>
994 PR tree-optimization/34825
995 * tree-ssa-math-opts.c (is_division_by): Do not recognize
996 x / x as division to handle.
998 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1000 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1001 "-pthread" is specified.
1002 * pa-hpux11.h (LIB_SPEC): Likewise.
1004 2008-01-16 Janis Johnson <janis187@us.ibm.com>
1005 Peter Bergner <bergner@vnet.ibm.com>
1007 PR rtl-optimization/33796
1008 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1010 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1012 PR libgfortran/34699
1013 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1015 * pa-hpux10.h (LINK_SPEC): Likewise.
1016 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1018 2008-01-16 Richard Guenther <rguenther@suse.de>
1021 * fold-const.c (fold_convert_const_int_from_int): Do not
1022 set overflow if that occured only because of a sign extension
1023 change when converting from/to a sizetype with the same
1024 precision and signedness.
1026 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1029 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1030 location address to the correct place. Update copyright year.
1032 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1034 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1035 no dependences in the dependence_relations vector.
1037 2008-01-16 Jan Hubicka <jh@suse.cz>
1039 PR rtl-optimization/31396
1040 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1041 * cfg.c (dump_reg_info): Print it.
1042 * regs.h (struct reg_info_t): add freq_calls_crossed.
1043 (REG_FREQ_CALLS_CROSSED): New macro.
1044 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1045 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1046 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1047 regmove_optimize): Update call crossed frequencies.
1048 * local-alloc.c (struct qty): Add freq_calls_crossed.
1049 (alloc_qty): Copute freq_calls_crossed.
1050 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1051 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1052 * ra.h (struct allocno): Add freq_calls_crossed.
1054 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1056 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1057 libgomp when compiling with ftree-parallelize-loops.
1058 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1060 2008-01-16 Richard Guenther <rguenther@suse.de>
1062 PR tree-optimization/34769
1063 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1064 * tree.c (int_cst_value): Instead make this function more
1065 permissive in what it accepts as valid input. Document this
1066 function always sign-extends the value.
1068 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1069 Richard Guenther <rguenther@suse.de>
1072 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1073 (gimple_fold_indirect_ref_rhs): ... this.
1074 (gimple_fold_indirect_ref): New function with foldings
1075 that preserve lvalueness.
1076 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1077 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1078 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1079 to fold an INDIRECT_REF, fall back to the old use of
1080 fold_indirect_ref_1.
1082 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1084 * tree-data-ref.c (subscript_dependence_tester_1): Call
1085 free_conflict_function.
1086 (compute_self_dependence): Same.
1088 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1091 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1092 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1094 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1095 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1096 for DWARF2_UNWIND_INFO targets.
1098 2008-01-16 Richard Guenther <rguenther@suse.de>
1101 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1102 type qualifiers for function types.
1104 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1106 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1107 loop_iterator li from previous commit.
1109 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1111 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1113 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1115 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1116 (parallelize_loops): Don't parallelize irreducible components.
1118 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1121 * c-opts (c_common_post_options): Do not enable CPP
1122 flag_pedantic_errors by default.
1124 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1126 PR rtl-optimization/31944
1127 * cse.c (remove_pseudo_from_table): New function.
1128 (merge_equiv_classes): Use above function to remove pseudo-registers.
1129 (invalidate): Likewise.
1131 2008-01-13 Richard Guenther <rguenther@suse.de>
1134 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1135 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1137 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1139 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1140 validate_change to unshare the source of the PC set.
1142 2008-01-12 Jan Hubicka <jh@suse.cz>
1145 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1146 references above array bounds. This might trigger bounds checks for
1149 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1151 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1152 new_replaceable_dependencies.
1154 2008-01-12 Doug Kwan <dougkwan@google.com>
1156 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1157 instead of OPT_Wreturn_type in warning due to ignored return type
1159 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1160 options included in -Wextra.
1161 * c.opt: New option -Wignored_qualifiers.
1162 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1163 -Wignore_qualifiers.
1164 (-Wignored-qualifiers): Document.
1165 (-Wreturn-type): Remove description of functionality now handled
1166 by -Wignored-qualifiers.
1168 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1171 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1172 NOP_EXPR if it is between integral types with the same precision.
1174 2008-01-12 Jan Hubicka <jh@suse.cz>
1177 * invoke.texi (max-inline-recursive-depth): Fix default value.
1179 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1181 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1184 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1186 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1188 2008-01-11 James E. Wilson <wilson@specifix.com>
1191 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1193 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1195 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1196 save/restore frame pointer register and don't use 'call-prologues'
1197 optimization in function with "OS_task" attribute.
1199 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1202 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1203 when copying to memory.
1205 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1207 PR rtl-optimization/30905
1208 * cfgcleanup.c: Include dce.h
1209 (crossjumps_occured): New global variable.
1210 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1211 If something changed, set crossjumps_occured to true.
1212 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1213 Don't add/remove fake edges to exit here...
1214 (cleanup_cfg): ...but do it here, when crossjumping.
1215 Run a fast DCE when successful crossjumps occured in the latest
1216 iteration of try_optimize_cfg.
1218 2008-01-11 Richard Guenther <rguenther@suse.de>
1220 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1221 (struct vn_unary_op_s): Likewise.
1222 (vn_reference_insert): Free old reference on hash collision.
1224 2008-01-10 Raksit Ashok <raksit@google.com>
1226 PR rtl-optimization/27971
1227 * combine.c (find_split_point): Split PLUS expressions which are
1228 inside a MEM rtx, and whose first operand is complex.
1230 2008-01-10 DJ Delorie <dj@redhat.com>
1232 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1233 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1234 (m32c_hard_regno_ok): Call the underlying function.
1236 2008-01-10 Richard Guenther <rguenther@suse.de>
1239 * tree-cfg.c (tree_merge_blocks): Do not go through the
1240 full-blown folding and stmt updating path if we just deal
1241 with virtual operands.
1242 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1243 test for abnormal SSA_NAMEs.
1245 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1248 * reload.c (push_reload): Add assertions. All constants from
1249 reg_equiv_constant should have been used for replacing the respective
1251 (find_reloads_address): Invoke find_reloads_address_part for
1252 constant taken from the reg_equiv_constant array.
1254 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1256 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1257 field (valnum) the first in the struct. Replace bools with
1260 2008-01-10 Richard Guenther <rguenther@suse.de>
1262 PR tree-optimization/34651
1263 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1264 types and ordering for masking and converting.
1266 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1268 PR tree-optimization/34017
1269 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1270 also for PHI_NODE expressions.
1272 2008-01-09 Jan Hubicka <jh@suse.cz>
1274 PR tree-optimization/34708
1275 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1276 based on number of case labels.
1277 (init_inline_once): Remove switch_cost.
1278 * tree-inline.h (eni_weights_d): Remove switch_cost.
1280 2008-01-09 Richard Guenther <rguenther@suse.de>
1281 Andrew Pinski <andrew_pinski@playstation.sony.com>
1284 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1285 temporary if an rvalue is ok or an lvalue is not required.
1287 2008-01-09 Richard Guenther <rguenther@suse.de>
1290 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1293 2008-01-09 Richard Guenther <rguenther@suse.de>
1296 * tree.c (host_integerp): Check for sizetype only if the
1297 type is an integer type.
1299 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1302 * opts.c (decode_options): Disable inlining of functions called
1303 once if not in unit-at-a-time mode.
1305 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1307 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1309 2008-01-08 Richard Guenther <rguenther@suse.de>
1312 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1313 out early if the result will be unused.
1315 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1320 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1321 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1324 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1326 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1327 for vectorization tuned.
1329 2008-01-08 Richard Guenther <rguenther@suse.de>
1331 PR tree-optimization/34683
1332 * tree-ssa-operands.c (operand_build_cmp): Export.
1333 * tree-ssa-operands.h (operand_build_cmp): Declare.
1334 * tree-vn.c (vuses_compare): Remove.
1335 (sort_vuses): Use operand_build_cmp.
1336 (sort_vuses_heap): Likewise.
1337 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1338 to re-use old VEC if available. Do not sort already sorted VUSEs.
1339 (vdefs_to_vec): Do not sort already sorted VDEFs.
1341 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1344 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1346 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1349 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1350 limitations of reciprocal sequences on x86 targets.
1352 2008-01-08 Richard Guenther <rguenther@suse.de>
1354 PR tree-optimization/34683
1355 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1357 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1360 * config/darwin.c (darwin_mergeable_string_section): Don't use
1361 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1363 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1366 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1367 negxf2. Macroize expander using X87MODEF mode iterator. Change
1368 predicates of op0 and op1 to register_operand.
1369 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1370 expander using X87MODEF mode iterator. Change predicates of
1371 op0 and op1 to register_operand.
1372 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1373 corresponding patterns and macroize using MODEF macro. Change
1374 predicates of op0 and op1 to register_operand and remove
1375 "m" constraint. Disparage "r" alternative with "!".
1376 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1377 macroize using X87MODEF macro. Change predicates of op0 and op1
1378 to register_operand and remove "m" constraint. Disparage "r"
1379 alternative with "!".
1380 (absneg splitter with memory operands): Remove.
1381 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1382 patterns and macroize using X87MODEF mode iterator.
1383 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1384 Change predicate of op1 to register_operand.
1385 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1386 for memory operands.
1388 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1390 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1392 2008-01-07 Richard Guenther <rguenther@suse.de>
1394 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1397 2008-01-07 Richard Guenther <rguenther@suse.de>
1399 PR tree-optimization/34683
1400 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1401 VOPs of the needed size to save memory. Use VEC_quick_push
1402 to save compile-time.
1403 (vdefs_to_vec): Likewise.
1405 2008-01-07 Sa Liu <saliu@de.ibm.com>
1407 * config/spu/spu.md (divdf3): Genetate inline code for double
1408 division. The implementation doesn't handle INF or NAN, therefore it
1409 only applies when -ffinite-math-only is given.
1411 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1414 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1415 * doc/cpp.texi ([Common Predefined Macros]): Document.
1417 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1419 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1420 order to use commutative addition instead of subtraction.
1422 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1423 Mircea Namolaru <namolaru@il.ibm.com>
1424 Vladimir Yanovsky <yanov@il.ibm.com>
1425 Revital Eres <eres@il.ibm.com>
1427 PR tree-optimization/34263
1428 * tree-outof-ssa.c (process_single_block_loop_latch,
1429 contains_tree_r): New functions.
1430 (analyze_edges_for_bb): Call process_single_block_loop_latch
1431 function to empty single-basic-block latch block if possible.
1433 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1435 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1437 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1439 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1441 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1443 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1445 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1447 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1449 PR tree-optimization/34618
1450 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1453 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1456 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1457 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1458 Update copyright year.
1460 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1461 Update copyright year.
1462 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1465 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1467 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1468 edge does not point to current bb before changing need_assert.
1470 2008-01-04 Richard Guenther <rguenther@suse.de>
1473 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1474 for verifying purposes if they are is_gimple_min_invariant.
1476 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1478 PR tree-optimization/34448
1479 PR tree-optimization/34465
1480 * gimplify.c (gimplify_init_constructor): Add new parameter
1481 notify_temp_creation. Use it.
1482 (gimplify_modify_expr_rhs): Take volatiles into account when
1483 optimizing constructors.
1484 Do not optimize constructors if gimplify_init_constructor will dump to
1486 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1487 * gcc.c-torture/compile/pr34448.c: New.
1489 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1491 PR gcov-profile/34609
1492 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1493 return_slot if result is TREE_ADDRESSABLE.
1495 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1497 * config/mips/mips.md (sqrt_condition): Tweak comment.
1498 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1500 2008-01-03 Tom Tromey <tromey@redhat.com>
1503 * c-common.c (c_type_hash): Handle VLAs.
1505 2008-01-03 Jan Hubicka <jh@suse.cz>
1507 PR tree-optimization/31081
1508 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1509 0 when inlining and not inlining to first basic block.
1510 (remap_decl): When var is initialized to 0, don't set default_def.
1511 (expand_call_inline): Set entry_bb.
1512 * tree-inline.h (copy_body_data): Add entry_bb.
1514 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1517 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1520 PR tree-optimization/29484
1521 * tree-inline.c (inline_forbidden_p_2): New function.
1522 (inline_forbidden_p): Disallow inlining if some static var
1523 has an address of a local LABEL_DECL in its initializer.
1524 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1527 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1529 PR tree-optimization/34635
1530 * tree-data-ref.c (add_other_self_distances): Make sure that the
1531 evolution step is constant.
1533 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1536 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1538 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1540 * tree-sra.c (scalarize_init): Insert the generate_element_init
1541 statements after the generate_element_zero statements.
1543 2008-01-02 Richard Guenther <rguenther@suse.de>
1547 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1548 for very large number of operands instead of ICEing.
1550 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1553 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1554 while stack probing.
1556 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1558 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1561 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1564 * tree-mudflap.c (mx_register_decls): Guard warning by
1565 !DECL_ARTIFICIAL check.
1567 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1569 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1570 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1571 sse5_perm<mode>): Fix constraints.