1 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
3 * config/i386/i386.md (floatunssisf2): Use
4 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
5 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
6 Macroize expander using MODEF mode iterator.
8 2008-02-05 Diego Novillo <dnovillo@google.com>
10 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
13 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
15 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
20 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
23 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
24 to indicate if a message should be generated.
25 (init_cumulative_args): Updated.
26 (function_value_32): Likewise.
28 2008-02-05 Joseph Myers <joseph@codesourcery.com>
30 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
32 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
35 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
36 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
38 2008-02-04 Diego Novillo <dnovillo@google.com>
40 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
43 * tree-vrp.c (vrp_evaluate_conditional): With
44 -Wtype-limits, emit a warning when comparing against a
45 constant outside the natural range of OP0's type.
47 2008-02-04 Richard Guenther <rguenther@suse.de>
50 * expr.c (count_type_elements): Give for unions instead of
53 2008-02-04 Richard Guenther <rguenther@suse.de>
56 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
57 to TYPE_DOMAINs base type instead of using bitsizetype here.
59 2008-02-03 Jason Merrill <jason@redhat.com>
61 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
63 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
66 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
67 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
68 (RS/6000 and PowerPC Options): Fix typos and markup.
69 * doc/passes.texi (Tree-SSA passes): Likewise.
71 2008-02-02 Michael Matz <matz@suse.de>
74 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
75 from record_last_reg_set_info.
76 (record_last_reg_set_info): Take an RTX argument, iterate over all
78 (record_last_set_info, record_opr_changes): Change calls to
79 new signature or to record_last_reg_set_info_regno.
81 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
83 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
85 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
87 PR rtl-optimization/34773
88 * reg-notes.def (EQUAL): Mention significance of combination of
89 REG_EQUAL and REG_RETVAL.
90 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
91 insn that has a REG_RETVAL.
93 2008-02-01 Roger Sayle <roger@eyesopen.com>
96 * configure.ac (--enable-fixed-point): Disable unless explicitly
98 * configure: Regenerate.
100 2008-02-01 Richard Guenther <rguenther@suse.de>
103 * invoke.texi (-finline-limit): Remove no longer true parts
104 of the documentation. Note that there is no default value.
106 2008-02-01 Andrew Pinski <pinskia@gmail.com>
107 Mark Mitchell <mark@codesourcery.com>
108 Ben Elliston <bje@au.ibm.com>
111 * doc/extend.texi (Other Builtins): Document.
113 2008-01-31 Tom Browder <tom.browder@gmail.com>
115 * doc/c-tree.texi (Types): Fix grammar.
116 (Expression trees): Ditto.
117 * doc/passes.texi (Tree-SSA passes): Ditto.
119 * doc/configterms.texi (Configure Terms): Fix typo.
120 * doc/cpp.texi (Common Predefined Macros): Ditto.
121 * doc/md.texi (Machine Constraints): Ditto.
123 * doc/makefile.texi (Makefile): Add comma.
125 2008-01-31 Tom Browder <tom.browder@gmail.com>
126 Gerald Pfeifer <gerald@pfeifer.com>
128 * doc/sourcebuild.texi (Front End): Remove references to CVS
130 (Texinfo Manuals): Replace reference to CVS by one to SVN.
131 (Back End): Remove reference to CVS.
133 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
136 * config/mips/mips.c (gen_load_const_gp): New function, taking a
138 (mips16_gp_pseudo_reg): ...here.
139 * config/mips/mips.md (load_const_gp): Replace with...
140 (load_const_gp_<mode>): ...this :P-based insn.
142 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
144 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
145 options. Minor fixes.
146 (-std): Move reference to standards closer to where language
147 standards are first mentioned.
149 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
151 PR rtl-optimization/34995
152 * reload.c (alternative_allows_const_pool_ref): Take an rtx
153 parameter and return a bool. If the rtx parameter is nonnull,
154 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
155 (find_reloads): Update call accordingly. Pass the new operand
156 if it needed no address reloads, otherwise pass null.
158 2008-01-30 Richard Henderson <rth@redhat.com>
161 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
162 for unbounded arrays.
164 2008-01-30 Silvius Rus <rus@google.com>
166 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
168 2008-01-30 Jan Hubicka <jh@suse.cz>
171 * i386.c (init_cumulative_args): Use real function declaration when
174 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
176 PR rtl-optimization/34998
177 * global.c (build_insn_chain): Treat non-subreg_lowpart
178 SUBREGs of pseudos as clobbering all the words covered by the
179 SUBREG, not just all the bytes.
180 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
181 original df_ref rather than an extract parameter.
182 (global_conflicts): Update call accordingly.
184 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
186 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
187 the overflow check to make it easier to read.
188 (__fixtfdi): Change the type of the ll member in union
189 long_double to UDItype_x.
191 2008-01-30 Jakub Jelinek <jakub@redhat.com>
194 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
195 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
196 * tree-inline.c (fold_marked_statements): Call
197 cgraph_update_edges_for_call_stmt if folding a call statement.
198 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
199 debug_generic_stmt calls, reset it back afterwards.
202 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
204 * c-typeck.c (build_external_ref): Don't pedwarn about
205 static vars in current function's scope.
207 2008-01-29 Joseph Myers <joseph@codesourcery.com>
209 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
211 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
214 * ipa-struct-reorg.c: Fix spelling.
217 2008-01-29 Richard Guenther <rguenther@suse.de>
220 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
222 * tree-inline.c (remap_type): Increment remapping_type_depth
223 around remapping types.
224 (copy_body_r): Only add referenced variables if they are referenced
225 from code, not types.
227 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
238 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
239 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
241 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
244 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
245 pointer for tiny stack.
247 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
249 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
251 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
253 * config/vx-common.h: Fix typo in comment.
255 2008-01-28 Ian Lance Taylor <iant@google.com>
259 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
260 coalesce pointers if they have different DECL_NO_TBAA_P values.
261 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
262 between variables with different DECL_NO_TBAA_P values.
264 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
267 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
268 are not legitimate small data references on SPE targets.
270 2008-01-28 David Daney <ddaney@avtrex.com>
272 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
274 2008-01-28 David Daney <ddaney@avtrex.com>
276 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
278 2008-01-27 Joseph Myers <joseph@codesourcery.com>
280 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
281 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
282 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
283 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
284 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
285 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
286 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
287 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
289 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
291 * basic-block.h (condjump_equiv_p): Fix comment.
293 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
295 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
296 print_generic_stmt_indented): Fix comment.
298 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
300 * configure.ac (__stack_chk_fail): Add detecion for availability
301 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
302 * configure: Regenerate.
304 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
307 * final.c (output_addr_const): Handle TRUNCATE.
309 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
312 * tree-ssa-loop-ivopts.c (comp_cost): New type.
313 (zero_cost, infinite_cost): New constants.
314 (struct cost_pair): Change type of cost to comp_cost.
315 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
316 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
318 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
319 split_address_cost, ptr_difference_cost, difference_cost,
320 get_computation_cost_at, get_computation_cost,
321 determine_use_iv_cost_generic, determine_use_iv_cost_address,
322 determine_use_iv_cost_condition, determine_use_iv_costs,
323 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
324 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
325 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
326 Change type of cost to comp_cost.
327 (determine_iv_cost): Increase cost of non-original ivs, instead
328 of decreasing the cost of original ones.
329 (get_address_cost): Indicate the complexity of the addressing mode
331 (try_add_cand_for): Prefer using ivs not specific to some object.
332 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
334 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
335 Janis Johnson <janis187@us.ibm.com>
338 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
339 (TARGET_INSTANTIATE_DECLS): Likewise.
340 * target.h (expand_to_rtl_hook): New target hook.
341 (instantiate_decls): Likewise.
342 * function.c (instantiate_decl): Make non-static. Rename to...
343 (instantiate_decl_rtl): ... this.
344 (instantiate_expr): Use instantiate_decl_rtl.
345 (instantiate_decls_1): Likewise.
346 (instantiate_decls): Likewise.
347 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
348 * function.h (instantiate_decl_rtl): Add prototype.
349 * cfgexpand.c (target.h): New include.
350 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
351 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
352 (TARGET_INSTANTIATE_DECLS): Likewise.
353 (TARGET_INITIALIZER): New target hooks added.
354 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
356 * config/rs6000/rs6000.c (tree-flow.h): New include.
357 (machine_function): Add sdmode_stack_slot field.
358 (rs6000_alloc_sdmode_stack_slot): New function.
359 (rs6000_instantiate_decls): Likewise.
360 (rs6000_secondary_memory_needed_rtx): Likewise.
361 (rs6000_check_sdmode): Likewise.
362 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
363 (TARGET_INSTANTIATE_DECLS): Likewise.
364 (rs6000_hard_regno_mode_ok): Allow SDmode.
365 (num_insns_constant): Likewise. Handle _Decimal32 constants.
366 (rs6000_emit_move): Handle SDmode.
367 (function_arg_advance): Likewise.
368 (function_arg): Likewise.
369 (rs6000_gimplify_va_arg): Likewise. Add special handling of
370 SDmode var args for 32-bit compiles.
371 (rs6000_secondary_reload_class): Handle SDmode.
372 (rs6000_output_function_epilogue): Likewise.
373 (rs6000_function_value): Simplify if statement.
374 (rs6000_libcall_value): Likewise.
375 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
376 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
377 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
378 (movsd_hardfloat): New define_insn.
379 (movsd_softfloat): Likewise.
380 (movsd_store): Likewise.
381 (movsd_load): Likewise.
382 (extendsddd2): Likewise.
383 (extendsdtd2): Likewise.
384 (truncddsd2): Likewise.
385 (movdd_hardfloat64): Fixup comment.
386 (UNSPEC_MOVSD_LOAD): New constant.
387 (UNSPEC_MOVSD_STORE): Likewise.
389 2008-01-26 Jakub Jelinek <jakub@redhat.com>
392 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
394 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
395 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
396 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
399 2008-01-26 David Edelsohn <edelsohn@gnu.org>
402 * config.gcc: Separate AIX 5.3 from AIX 6.1.
403 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
405 * config/rs6000/aix61.h: New file.
407 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
409 PR rtl-optimization/34959
410 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
411 popcount and parity rtxes the same mode as their operand.
412 Truncate or extend the result to the return value's mode
415 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
418 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
419 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
420 to GOT_VERSION_REGNUM.
421 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
422 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
423 * config/mips/mips.c (mips_emit_call_insn): New function.
424 (mips_call_tls_get_addr): Call mips_expand_call directly.
425 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
427 (mips16_build_call_stub): Likewise. Return the call insn or null.
428 (mips_expand_call): Update the call to mips16_build_call_stub
429 accordingly and a remove redundant condition. Assert that MIPS16
430 stubs do not use lazy binding. Use mips_emit_call_insn and return
432 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
434 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
435 (mips_avoid_hazard): Remove hazard_set handling.
436 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
437 (UNSPEC_RESTORE_GP): ...this.
438 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
439 (FAKE_CALL_REGNO): Rename to...
440 (GOT_VERSION_REGNUM): ...this.
441 (type): Add "ghost" value. Add an associated insn reservation.
442 (hazard_set): Remove.
443 (exception_receiver): Rename to...
444 (restore_gp): ...this and update the unspec identifier accordingly.
445 (exception_receiver, nonlocal_got_receiver): New expanders.
446 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
447 FAKE_CALL_REGNO. Remove hazard_set attribute.
448 (set_got_version, update_got_version): New patterns.
450 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
453 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
455 2008-01-25 Joseph Myers <joseph@codesourcery.com>
458 * doc/install.texi2html: Generate gcc-vers.texi.
460 2008-01-25 DJ Delorie <dj@redhat.com>
462 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
464 2008-01-25 Joseph Myers <joseph@codesourcery.com>
466 * config/c4x: Remove directory.
467 * config.gcc (crx-*, mt-*): Mark obsolete.
468 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
469 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
470 sh-*-rtemscoff*): Remove cases.
471 * defaults.h (C4X_FLOAT_FORMAT): Remove.
472 * real.c (encode_c4x_single, decode_c4x_single,
473 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
474 c4x_extended_format): Remove.
475 * real.h (c4x_single_format, c4x_extended_format): Remove.
476 * doc/extend.texi (interrupt, naked): Remove mention of attributes
478 (Pragmas): Remove comment about c4x pragmas.
479 * doc/install.texi (c4x): Remove target-specific instructions.
480 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
481 * doc/md.texi (Machine Constraints): Remove C4x documentation.
482 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
483 refer to C4x source files as examples.
484 (C4X_FLOAT_FORMAT): Remove documentation.
486 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
488 * config/bfin/bfin.c (override_options): Reorder tests so that
489 flag_pic gets enabled for -msep-data.
491 2008-01-25 Richard Guenther <rguenther@suse.de>
494 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
495 to its bitfield precision if required.
497 2008-01-25 Jakub Jelinek <jakub@redhat.com>
500 * tree-nested.c (walk_omp_for): New function.
501 (convert_nonlocal_reference, convert_local_reference): Call
502 walk_omp_for on OMP_FOR.
503 (convert_call_expr): Call walk_body on OMP_FOR's
504 OMP_FOR_PRE_INIT_BODY.
506 2008-01-25 Richard Guenther <rguenther@suse.de>
508 PR tree-optimization/34966
509 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
510 default defs and PHI_NODEs we have to insert after the
513 2008-01-24 Nick Clifton <nickc@redhat.com>
515 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
516 Provide a default definition.
517 (LIBGCC2_UNITS_PER_WORD): Likewise.
519 * config/stormy16/stormy16.c: Include df.h for the prototype
520 for df_regs_ever_live_p.
521 (xstormy16_expand_builtin_va_start): Convert the stack offset
522 into a component_ref and then use POINTER_PLUS_EXPR to add it
523 to the incoming_virtual_args_rtx.
524 (xstormy16_gimplify_va_arg_expr): Rename to
525 xstormy16_gimplify_va_arg_expr.
526 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
527 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
528 xstormy16_gimplify_va_arg_expr.
529 Fix up some formatting issues.
531 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
532 Move to predicates.md.
533 (xs_hi_general_operand): Likewise.
534 (xs_hi_nonmemory_operand): Likewise.
535 * config/stormy16/predicates.md:
536 (xstormy16_carry_plus_operand): New predicate.
537 (xs_hi_general_operand): New predicate.
538 (xs_hi_nonmemory_operand): New predicate.
539 * config/stormy16/stormy16-protos.h:
540 (xstormy16_carry_plus_operand): Delete prototype.
541 (xs_hi_general_operand): Likewise.
542 (xs_hi_nonmemory_operand): Likewise.
544 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
545 modifiers as they are no longer needed and they can trigger
546 reload spill failures.
548 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
549 with a match_operand in order to help reload.
551 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
552 constraint with 'e' for the 8th alternative as this version of
553 the mov.w instruction only accepts the lower 8 registers.
555 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
558 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
559 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
562 2008-01-25 Jakub Jelinek <jakub@redhat.com>
565 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
567 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
569 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
571 (remove_structure): Update allocations list before removing structure.
573 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
575 * ipa-struct-reorg.c (is_safe_cond_expr,
576 create_new_stmts_for_cond_expr): Use integer_zerop function,
577 that recognize not only zero-pointer, but zero-integer too.
579 2008-01-25 Ben Elliston <bje@au.ibm.com>
582 * fixproto: Escape "." in sed expression that strips leading "./".
584 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
587 * gcc.c (SWITCH_OK): Removed.
588 (SWITCH_LIVE): Changed to bit.
589 (SWITCH_FALSE): Likewise.
590 (SWITCH_IGNORE): Likewise.
591 (switchstr): Change live_cond to unsigned int.
592 (process_command): Replace SWITCH_OK with 0.
593 (do_self_spec): Likewise.
594 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
595 (give_switch): Likewise.
596 (used_arg): Likewise.
597 (do_spec_1): Set the SWITCH_IGNORE bit.
598 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
599 bits. Set the SWITCH_LIVE bit.
601 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
603 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
605 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
607 PR tree-optimization/34472
608 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
609 parameter to a "bool *" and set *DATA to false if there is
610 an unsafe access. Do not delete the structure here.
611 (check_cond_exprs): Delete it here instead.
612 (check_cond_exprs, exclude_cold_structs): Do not increase
613 I when removing a structure.
615 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
618 * config/i386/i386.c (ix86_expand_vector_init): Consider only
619 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
621 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
624 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
625 a fixed vector for stack.
627 2008-01-24 Ben Elliston <bje@au.ibm.com>
630 * doc/gcc.texi (Software development): Add a direntry for g++.
632 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
634 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
635 stale and straggling -fforce-addr comments above.
637 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
639 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
640 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
642 2008-01-23 Michael Matz <matz@suse.de>
645 * dwarf2out.c (force_type_die): Use modified_type_die instead of
648 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
650 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
653 2008-01-23 Anatoly Sokolov <aesok@post.ru>
655 * config/avr/avr.c (avr_current_arch): New variable.
656 (avr_arch_types): Add 'avr31' and 'avr51' entries.
657 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
658 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
659 (avr_override_options): Init 'avr_current_arch'.
660 (base_arch_s): Move from here...
661 * config/avr/avr.h (base_arch_s): ... here. Add new members
662 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
663 'mega' to 'have_jmp_call'.
664 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
665 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
667 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
669 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
670 MULTILIB_MATCHES): (Ditto.).
672 2008-01-23 Richard Guenther <rguenther@suse.de>
675 * cgraphunit.c (cgraph_reset_node): Always mark the node
676 not reachable if it is not queued already.
678 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
680 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
681 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
682 (cputype_selected): New static variable.
683 (bfin_handle_option): Set it if -mcpu is used.
684 (override_option): Select default set of workarounds if no cpu type
685 selected on the command line.
686 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
688 From Michael Frysinger <michael.frysinger@analog.com>
689 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
690 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
692 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
693 for bf547, bf523, bf524, and bf526.
694 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
696 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
697 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
698 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
699 __ADSPBF547__ and __ADSPBF54x__ for bf547.
700 * doc/invoke.texi (Blackfin Options): Document that
701 -mcpu now accept bf547, bf523, bf524, and bf526.
703 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
705 PR rtl-optimization/34628
706 * combine.c (try_combine): Stop and undo after the first combination
707 if an autoincrement side-effect on the first insn has effectively
710 2008-01-22 David Edelsohn <edelsohn@gnu.org>
713 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
714 Offset addresses are not valid for Altivec or paired float modes.
716 2008-01-22 Jakub Jelinek <jakub@redhat.com>
719 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
720 if DECL_INITIAL (decl) is error_mark_node.
723 * c-common.c (handle_vector_size_attribute): Only allow
724 integral, scalar float and fixed point types. Handle OFFSET_TYPE
725 the same way as pointer, array etc. types.
726 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
729 * tree.c (build_type_attribute_qual_variant): Call
730 build_qualified_type if attributes are equal, but quals are not.
732 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
735 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
736 * flags.h (warn_strict_aliasing): Remove.
737 (warn_strict_overflow): Remove.
738 * opts.c (warn_strict_aliasing): Remove.
739 (warn_strict_overflow): Remove.
740 * c-opts.c (c_common_handle_option): -Wall only sets
741 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
742 (c_common_post_options): Give default values to -Wstrict-aliasing
743 and -Wstrict-overflow if they are uninitialized.
744 * common.opt (Wstrict-aliasing): Specify Var and Init.
745 (Wstrict-overflow): Likewise.
747 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
749 PR rtl-optimization/26854
750 PR rtl-optimization/34400
751 PR rtl-optimization/34884
752 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
754 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
755 (df_rd_bb_info.expanded_lr_out): Deleted
756 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
757 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
758 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
759 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
760 Removed code to allocate, initialize or free expanded_lr_out.
761 (df_rd_bb_local_compute_process_def): Restructured to make more
763 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
764 sets if the sets are being trimmed.
766 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
769 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
771 * configure: Regenerated.
773 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
776 * tree-pass.h (pass_build_alias): New pass.
777 * tree-ssa-alias.c (gate_build_alias): New.
778 (pass_build_alias): New.
779 * passes.c (init_optimization_passes): Add pass_build_alias after
780 pass_create_structure_vars.
782 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
784 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
785 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
786 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
787 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
788 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
789 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
790 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
791 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
792 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
793 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
794 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
795 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
796 * config/s390/s390.md (FP_ALL): New mode iterator.
797 (_d): New mode attribute.
798 ("*signbit<mode>2>"): Changed mode of first operand.
799 ("isinf<mode>2"): Changed mode of first operand.
800 ("*TDC_insn"): Adaptation for DFP modes.
802 2008-01-22 Ben Elliston <bje@au.ibm.com>
804 * tree.c (check_qualified_type): Improve function description.
806 2008-01-21 Jason Merrill <jason@redhat.com>
809 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
810 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
813 2008-01-21 DJ Delorie <dj@redhat.com>
815 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
818 2008-01-21 Richard Guenther <rguenther@suse.de>
821 * tree-cfg.c (verify_expr): Allow all invariant expressions
822 instead of just constant class ones as reference argument.
823 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
824 like any other constant.
825 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
827 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
829 * regmove.c (fixup_match_1): Update call crossed frequencies.
831 2008-01-21 Richard Guenther <rguenther@suse.de>
834 * tree-inline.c (setup_one_parameter): Deal with mismatched
835 types using a VIEW_CONVERT_EXPR.
837 2008-01-21 Alon Dayan <alond@il.ibm.com>
838 Olga Golovanevsky <olga@il.ibm.com>
840 PR tree-optimization/34701
841 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
842 when the structure size is not a power of 2.
844 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
846 * doc/install.texi: Add doc for --enable-checking=df.
848 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
850 PR rtl-optimization/34808
851 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
853 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
855 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
858 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
860 PR rtl-optimization/26854
861 PR rtl-optimization/34400
862 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
864 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
865 (df_rd_bb_info.expanded_lr_out): New.
866 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
867 * loop_iv.c (iv_analysis_loop_init): Ditto.
868 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
869 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
870 Added code to allocate, initialize or free expanded_lr_out.
871 (df_rd_bb_local_compute_process_def): Restructured to make
873 (df_rd_confluence_n): Add code to do nothing with fake edges and
874 code to no apply invalidate_by_call sets if the sets are being trimmed.
875 (df_lr_local_finalize): Renamed to df_lr_finalize.
876 (df_live_local_finalize): Renamed to df_live_finalize.
878 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
881 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
882 deciding whether to use reciprocal instructions.
884 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
886 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
887 dwarf2out_note_section_used if cold_text_section is NULL.
889 2008-01-19 Jakub Jelinek <jakub@redhat.com>
891 PR gcov-profile/34610
892 * tree-cfg.c (make_edges): Mark both outgoing edges from
893 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
894 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
895 from OMP_FOR and OMP_CONTINUE outgoing edges.
897 * tree-profile.c (tree_profiling): Return early if
898 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
900 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
901 from cfun to child_cfun.
902 * function.h (struct function): Add after_tree_profile bit.
904 2008-01-19 Anatoly Sokolov <aesok@post.ru>
906 * config/avr/avr.S (_exit): Disable interrupt.
908 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
909 Steven Bosscher <stevenb.gcc@gmail.com>
911 PR rtl-optimization/26854
912 PR rtl-optimization/34400
913 * df-problems.c (df_live_scratch): New scratch bitmap.
914 (df_live_alloc): Allocate df_live_scratch when doing df_live.
915 (df_live_reset): Clear the proper bitmaps.
916 (df_live_bb_local_compute): Only process the artificial defs once
917 since the order is not important.
918 (df_live_init): Init the df_live sets only with the variables
920 (df_live_transfer_function): Use the df_lr sets to prune the
921 df_live sets as they are being computed.
922 (df_live_free): Free df_live_scratch.
924 2008-01-18 Ian Lance Taylor <iant@google.com>
926 * common.opt: Add fmerge-debug-strings.
927 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
928 flag_merge_debug_strings rather than flag_merge_constants.
929 * doc/invoke.texi (Option Summary): Mention
930 -fmerge-debug-strings.
931 (Debugging Options): Document -fmerge-debug-strings.
933 2008-01-18 Ian Lance Taylor <iant@google.com>
936 * tree.h (DECL_IS_OPERATOR_NEW): Define.
937 (struct tree_function_decl): Add new field operator_new_flag.
938 * tree-inline.c (expand_call_inline): When inlining a call to
939 operator new, force the return value to go into a variable, and
940 set DECL_NO_TBAA_P on that variable.
941 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
943 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
946 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
947 DWARF2_DEBUGGING_INFO.
948 (dwarf2out_note_section_used): Ditto. Add prototype.
949 (have_multiple_function_sections, text_section_used,
950 cold_text_section_used, *cold_text_sections): Move declarations
953 2008-01-17 Bob Wilson <bob.wilson@acm.org>
955 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
956 field and add signal_ra.
957 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
958 assignments to frame state pc. Move end of stack check after
959 MD_FALLBACK_FRAME_STATE_FOR.
960 (uw_update_context_1): Use frame state signal_regs if set, instead
961 of checking signal_frame flag.
962 (uw_update_context): Use frame state signal_ra if set.
963 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
964 * config/xtensa/linux-unwind.h: New file.
966 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
968 * modulo-sched.c (get_sched_window): Fix comment typo.
970 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
972 PR tree-optimization/34648
973 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
975 2008-01-17 Anatoly Sokolov <aesok@post.ru>
977 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
978 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
980 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
982 PR rtl-optimization/34400
983 * df-core.c (df_worklist_dataflow_overeager,
984 df_worklist_dataflow_doublequeue): New functions.
985 (df_worklist_dataflow): Two different worklist solvers.
986 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
989 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
992 * doc/invoke.texi: Document the dependence on pthread for fopenmp
993 and ftree-parallelize-loops.
995 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
997 PR rtl-optimization/34826
998 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1000 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
1002 * global.c (find_reg): Mark the eh regs as used if necessary.
1003 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1004 * ra.h (struct allocno): no_eh_reg field added. Changed
1005 no_stack_reg type to bitfield.
1007 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
1009 * tree.c (substitute_in_expr): Add missing 'break'.
1011 2008-01-17 Richard Guenther <rguenther@suse.de>
1013 PR tree-optimization/34825
1014 * tree-ssa-math-opts.c (is_division_by): Do not recognize
1015 x / x as division to handle.
1017 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1019 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1020 "-pthread" is specified.
1021 * pa-hpux11.h (LIB_SPEC): Likewise.
1023 2008-01-16 Janis Johnson <janis187@us.ibm.com>
1024 Peter Bergner <bergner@vnet.ibm.com>
1026 PR rtl-optimization/33796
1027 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1029 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1031 PR libgfortran/34699
1032 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1034 * pa-hpux10.h (LINK_SPEC): Likewise.
1035 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1037 2008-01-16 Richard Guenther <rguenther@suse.de>
1040 * fold-const.c (fold_convert_const_int_from_int): Do not
1041 set overflow if that occured only because of a sign extension
1042 change when converting from/to a sizetype with the same
1043 precision and signedness.
1045 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1048 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1049 location address to the correct place. Update copyright year.
1051 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1053 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1054 no dependences in the dependence_relations vector.
1056 2008-01-16 Jan Hubicka <jh@suse.cz>
1058 PR rtl-optimization/31396
1059 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1060 * cfg.c (dump_reg_info): Print it.
1061 * regs.h (struct reg_info_t): add freq_calls_crossed.
1062 (REG_FREQ_CALLS_CROSSED): New macro.
1063 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1064 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1065 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1066 regmove_optimize): Update call crossed frequencies.
1067 * local-alloc.c (struct qty): Add freq_calls_crossed.
1068 (alloc_qty): Copute freq_calls_crossed.
1069 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1070 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1071 * ra.h (struct allocno): Add freq_calls_crossed.
1073 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1075 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1076 libgomp when compiling with ftree-parallelize-loops.
1077 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1079 2008-01-16 Richard Guenther <rguenther@suse.de>
1081 PR tree-optimization/34769
1082 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1083 * tree.c (int_cst_value): Instead make this function more
1084 permissive in what it accepts as valid input. Document this
1085 function always sign-extends the value.
1087 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1088 Richard Guenther <rguenther@suse.de>
1091 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1092 (gimple_fold_indirect_ref_rhs): ... this.
1093 (gimple_fold_indirect_ref): New function with foldings
1094 that preserve lvalueness.
1095 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1096 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1097 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1098 to fold an INDIRECT_REF, fall back to the old use of
1099 fold_indirect_ref_1.
1101 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1103 * tree-data-ref.c (subscript_dependence_tester_1): Call
1104 free_conflict_function.
1105 (compute_self_dependence): Same.
1107 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1110 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1111 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1113 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1114 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1115 for DWARF2_UNWIND_INFO targets.
1117 2008-01-16 Richard Guenther <rguenther@suse.de>
1120 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1121 type qualifiers for function types.
1123 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1125 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1126 loop_iterator li from previous commit.
1128 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1130 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1132 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1134 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1135 (parallelize_loops): Don't parallelize irreducible components.
1137 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1140 * c-opts (c_common_post_options): Do not enable CPP
1141 flag_pedantic_errors by default.
1143 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1145 PR rtl-optimization/31944
1146 * cse.c (remove_pseudo_from_table): New function.
1147 (merge_equiv_classes): Use above function to remove pseudo-registers.
1148 (invalidate): Likewise.
1150 2008-01-13 Richard Guenther <rguenther@suse.de>
1153 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1154 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1156 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1158 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1159 validate_change to unshare the source of the PC set.
1161 2008-01-12 Jan Hubicka <jh@suse.cz>
1164 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1165 references above array bounds. This might trigger bounds checks for
1168 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1170 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1171 new_replaceable_dependencies.
1173 2008-01-12 Doug Kwan <dougkwan@google.com>
1175 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1176 instead of OPT_Wreturn_type in warning due to ignored return type
1178 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1179 options included in -Wextra.
1180 * c.opt: New option -Wignored_qualifiers.
1181 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1182 -Wignore_qualifiers.
1183 (-Wignored-qualifiers): Document.
1184 (-Wreturn-type): Remove description of functionality now handled
1185 by -Wignored-qualifiers.
1187 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1190 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1191 NOP_EXPR if it is between integral types with the same precision.
1193 2008-01-12 Jan Hubicka <jh@suse.cz>
1196 * invoke.texi (max-inline-recursive-depth): Fix default value.
1198 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1200 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1203 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1205 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1207 2008-01-11 James E. Wilson <wilson@specifix.com>
1210 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1212 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1214 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1215 save/restore frame pointer register and don't use 'call-prologues'
1216 optimization in function with "OS_task" attribute.
1218 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1221 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1222 when copying to memory.
1224 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1226 PR rtl-optimization/30905
1227 * cfgcleanup.c: Include dce.h
1228 (crossjumps_occured): New global variable.
1229 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1230 If something changed, set crossjumps_occured to true.
1231 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1232 Don't add/remove fake edges to exit here...
1233 (cleanup_cfg): ...but do it here, when crossjumping.
1234 Run a fast DCE when successful crossjumps occured in the latest
1235 iteration of try_optimize_cfg.
1237 2008-01-11 Richard Guenther <rguenther@suse.de>
1239 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1240 (struct vn_unary_op_s): Likewise.
1241 (vn_reference_insert): Free old reference on hash collision.
1243 2008-01-10 Raksit Ashok <raksit@google.com>
1245 PR rtl-optimization/27971
1246 * combine.c (find_split_point): Split PLUS expressions which are
1247 inside a MEM rtx, and whose first operand is complex.
1249 2008-01-10 DJ Delorie <dj@redhat.com>
1251 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1252 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1253 (m32c_hard_regno_ok): Call the underlying function.
1255 2008-01-10 Richard Guenther <rguenther@suse.de>
1258 * tree-cfg.c (tree_merge_blocks): Do not go through the
1259 full-blown folding and stmt updating path if we just deal
1260 with virtual operands.
1261 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1262 test for abnormal SSA_NAMEs.
1264 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1267 * reload.c (push_reload): Add assertions. All constants from
1268 reg_equiv_constant should have been used for replacing the respective
1270 (find_reloads_address): Invoke find_reloads_address_part for
1271 constant taken from the reg_equiv_constant array.
1273 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1275 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1276 field (valnum) the first in the struct. Replace bools with
1279 2008-01-10 Richard Guenther <rguenther@suse.de>
1281 PR tree-optimization/34651
1282 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1283 types and ordering for masking and converting.
1285 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1287 PR tree-optimization/34017
1288 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1289 also for PHI_NODE expressions.
1291 2008-01-09 Jan Hubicka <jh@suse.cz>
1293 PR tree-optimization/34708
1294 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1295 based on number of case labels.
1296 (init_inline_once): Remove switch_cost.
1297 * tree-inline.h (eni_weights_d): Remove switch_cost.
1299 2008-01-09 Richard Guenther <rguenther@suse.de>
1300 Andrew Pinski <andrew_pinski@playstation.sony.com>
1303 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1304 temporary if an rvalue is ok or an lvalue is not required.
1306 2008-01-09 Richard Guenther <rguenther@suse.de>
1309 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1312 2008-01-09 Richard Guenther <rguenther@suse.de>
1315 * tree.c (host_integerp): Check for sizetype only if the
1316 type is an integer type.
1318 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1321 * opts.c (decode_options): Disable inlining of functions called
1322 once if not in unit-at-a-time mode.
1324 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1326 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1328 2008-01-08 Richard Guenther <rguenther@suse.de>
1331 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1332 out early if the result will be unused.
1334 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1339 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1340 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1343 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1345 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1346 for vectorization tuned.
1348 2008-01-08 Richard Guenther <rguenther@suse.de>
1350 PR tree-optimization/34683
1351 * tree-ssa-operands.c (operand_build_cmp): Export.
1352 * tree-ssa-operands.h (operand_build_cmp): Declare.
1353 * tree-vn.c (vuses_compare): Remove.
1354 (sort_vuses): Use operand_build_cmp.
1355 (sort_vuses_heap): Likewise.
1356 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1357 to re-use old VEC if available. Do not sort already sorted VUSEs.
1358 (vdefs_to_vec): Do not sort already sorted VDEFs.
1360 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1363 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1365 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1368 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1369 limitations of reciprocal sequences on x86 targets.
1371 2008-01-08 Richard Guenther <rguenther@suse.de>
1373 PR tree-optimization/34683
1374 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1376 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1379 * config/darwin.c (darwin_mergeable_string_section): Don't use
1380 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1382 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1385 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1386 negxf2. Macroize expander using X87MODEF mode iterator. Change
1387 predicates of op0 and op1 to register_operand.
1388 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1389 expander using X87MODEF mode iterator. Change predicates of
1390 op0 and op1 to register_operand.
1391 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1392 corresponding patterns and macroize using MODEF macro. Change
1393 predicates of op0 and op1 to register_operand and remove
1394 "m" constraint. Disparage "r" alternative with "!".
1395 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1396 macroize using X87MODEF macro. Change predicates of op0 and op1
1397 to register_operand and remove "m" constraint. Disparage "r"
1398 alternative with "!".
1399 (absneg splitter with memory operands): Remove.
1400 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1401 patterns and macroize using X87MODEF mode iterator.
1402 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1403 Change predicate of op1 to register_operand.
1404 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1405 for memory operands.
1407 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1409 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1411 2008-01-07 Richard Guenther <rguenther@suse.de>
1413 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1416 2008-01-07 Richard Guenther <rguenther@suse.de>
1418 PR tree-optimization/34683
1419 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1420 VOPs of the needed size to save memory. Use VEC_quick_push
1421 to save compile-time.
1422 (vdefs_to_vec): Likewise.
1424 2008-01-07 Sa Liu <saliu@de.ibm.com>
1426 * config/spu/spu.md (divdf3): Genetate inline code for double
1427 division. The implementation doesn't handle INF or NAN, therefore it
1428 only applies when -ffinite-math-only is given.
1430 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1433 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1434 * doc/cpp.texi ([Common Predefined Macros]): Document.
1436 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1438 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1439 order to use commutative addition instead of subtraction.
1441 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1442 Mircea Namolaru <namolaru@il.ibm.com>
1443 Vladimir Yanovsky <yanov@il.ibm.com>
1444 Revital Eres <eres@il.ibm.com>
1446 PR tree-optimization/34263
1447 * tree-outof-ssa.c (process_single_block_loop_latch,
1448 contains_tree_r): New functions.
1449 (analyze_edges_for_bb): Call process_single_block_loop_latch
1450 function to empty single-basic-block latch block if possible.
1452 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1454 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1456 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1458 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1460 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1462 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1464 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1466 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1468 PR tree-optimization/34618
1469 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1472 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1475 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1476 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1477 Update copyright year.
1479 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1480 Update copyright year.
1481 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1484 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1486 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1487 edge does not point to current bb before changing need_assert.
1489 2008-01-04 Richard Guenther <rguenther@suse.de>
1492 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1493 for verifying purposes if they are is_gimple_min_invariant.
1495 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1497 PR tree-optimization/34448
1498 PR tree-optimization/34465
1499 * gimplify.c (gimplify_init_constructor): Add new parameter
1500 notify_temp_creation. Use it.
1501 (gimplify_modify_expr_rhs): Take volatiles into account when
1502 optimizing constructors.
1503 Do not optimize constructors if gimplify_init_constructor will dump to
1505 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1506 * gcc.c-torture/compile/pr34448.c: New.
1508 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1510 PR gcov-profile/34609
1511 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1512 return_slot if result is TREE_ADDRESSABLE.
1514 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1516 * config/mips/mips.md (sqrt_condition): Tweak comment.
1517 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1519 2008-01-03 Tom Tromey <tromey@redhat.com>
1522 * c-common.c (c_type_hash): Handle VLAs.
1524 2008-01-03 Jan Hubicka <jh@suse.cz>
1526 PR tree-optimization/31081
1527 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1528 0 when inlining and not inlining to first basic block.
1529 (remap_decl): When var is initialized to 0, don't set default_def.
1530 (expand_call_inline): Set entry_bb.
1531 * tree-inline.h (copy_body_data): Add entry_bb.
1533 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1536 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1539 PR tree-optimization/29484
1540 * tree-inline.c (inline_forbidden_p_2): New function.
1541 (inline_forbidden_p): Disallow inlining if some static var
1542 has an address of a local LABEL_DECL in its initializer.
1543 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1546 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1548 PR tree-optimization/34635
1549 * tree-data-ref.c (add_other_self_distances): Make sure that the
1550 evolution step is constant.
1552 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1555 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1557 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1559 * tree-sra.c (scalarize_init): Insert the generate_element_init
1560 statements after the generate_element_zero statements.
1562 2008-01-02 Richard Guenther <rguenther@suse.de>
1566 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1567 for very large number of operands instead of ICEing.
1569 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1572 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1573 while stack probing.
1575 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1577 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1580 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1583 * tree-mudflap.c (mx_register_decls): Guard warning by
1584 !DECL_ARTIFICIAL check.
1586 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1588 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1589 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1590 sse5_perm<mode>): Fix constraints.