1 2008-02-01 Richard Guenther <rguenther@suse.de>
4 * invoke.texi (-finline-limit): Remove no longer true parts
5 of the documentation. Note that there is no default value.
7 2008-02-01 Andrew Pinski <pinskia@gmail.com>
8 Mark Mitchell <mark@codesourcery.com>
9 Ben Elliston <bje@au.ibm.com>
12 * doc/extend.texi (Other Builtins): Document.
14 2008-01-31 Tom Browder <tom.browder@gmail.com>
16 * doc/c-tree.texi (Types): Fix grammar.
17 (Expression trees): Ditto.
18 * doc/passes.texi (Tree-SSA passes): Ditto.
20 * doc/configterms.texi (Configure Terms): Fix typo.
21 * doc/cpp.texi (Common Predefined Macros): Ditto.
22 * doc/md.texi (Machine Constraints): Ditto.
24 * doc/makefile.texi (Makefile): Add comma.
26 2008-01-31 Tom Browder <tom.browder@gmail.com>
27 Gerald Pfeifer <gerald@pfeifer.com>
29 * doc/sourcebuild.texi (Front End): Remove references to CVS
31 (Texinfo Manuals): Replace reference to CVS by one to SVN.
32 (Back End): Remove reference to CVS.
34 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
37 * config/mips/mips.c (gen_load_const_gp): New function, taking a
39 (mips16_gp_pseudo_reg): ...here.
40 * config/mips/mips.md (load_const_gp): Replace with...
41 (load_const_gp_<mode>): ...this :P-based insn.
43 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
45 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
47 (-std): Move reference to standards closer to where language
48 standards are first mentioned.
50 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
52 PR rtl-optimization/34995
53 * reload.c (alternative_allows_const_pool_ref): Take an rtx
54 parameter and return a bool. If the rtx parameter is nonnull,
55 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
56 (find_reloads): Update call accordingly. Pass the new operand
57 if it needed no address reloads, otherwise pass null.
59 2008-01-30 Richard Henderson <rth@redhat.com>
62 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
65 2008-01-30 Silvius Rus <rus@google.com>
67 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
69 2008-01-30 Jan Hubicka <jh@suse.cz>
72 * i386.c (init_cumulative_args): Use real function declaration when
75 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
77 PR rtl-optimization/34998
78 * global.c (build_insn_chain): Treat non-subreg_lowpart
79 SUBREGs of pseudos as clobbering all the words covered by the
80 SUBREG, not just all the bytes.
81 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
82 original df_ref rather than an extract parameter.
83 (global_conflicts): Update call accordingly.
85 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
87 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
88 the overflow check to make it easier to read.
89 (__fixtfdi): Change the type of the ll member in union
90 long_double to UDItype_x.
92 2008-01-30 Jakub Jelinek <jakub@redhat.com>
95 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
96 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
97 * tree-inline.c (fold_marked_statements): Call
98 cgraph_update_edges_for_call_stmt if folding a call statement.
99 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
100 debug_generic_stmt calls, reset it back afterwards.
103 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
105 * c-typeck.c (build_external_ref): Don't pedwarn about
106 static vars in current function's scope.
108 2008-01-29 Joseph Myers <joseph@codesourcery.com>
110 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
112 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
115 * ipa-struct-reorg.c: Fix spelling.
118 2008-01-29 Richard Guenther <rguenther@suse.de>
121 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
123 * tree-inline.c (remap_type): Increment remapping_type_depth
124 around remapping types.
125 (copy_body_r): Only add referenced variables if they are referenced
126 from code, not types.
128 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
139 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
140 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
142 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
145 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
146 pointer for tiny stack.
148 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
150 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
152 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
154 * config/vx-common.h: Fix typo in comment.
156 2008-01-28 Ian Lance Taylor <iant@google.com>
160 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
161 coalesce pointers if they have different DECL_NO_TBAA_P values.
162 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
163 between variables with different DECL_NO_TBAA_P values.
165 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
168 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
169 are not legitimate small data references on SPE targets.
171 2008-01-28 David Daney <ddaney@avtrex.com>
173 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
175 2008-01-28 David Daney <ddaney@avtrex.com>
177 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
179 2008-01-27 Joseph Myers <joseph@codesourcery.com>
181 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
182 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
183 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
184 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
185 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
186 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
187 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
188 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
190 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
192 * basic-block.h (condjump_equiv_p): Fix comment.
194 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
196 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
197 print_generic_stmt_indented): Fix comment.
199 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
201 * configure.ac (__stack_chk_fail): Add detecion for availability
202 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
203 * configure: Regenerate.
205 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
208 * final.c (output_addr_const): Handle TRUNCATE.
210 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
213 * tree-ssa-loop-ivopts.c (comp_cost): New type.
214 (zero_cost, infinite_cost): New constants.
215 (struct cost_pair): Change type of cost to comp_cost.
216 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
217 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
219 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
220 split_address_cost, ptr_difference_cost, difference_cost,
221 get_computation_cost_at, get_computation_cost,
222 determine_use_iv_cost_generic, determine_use_iv_cost_address,
223 determine_use_iv_cost_condition, determine_use_iv_costs,
224 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
225 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
226 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
227 Change type of cost to comp_cost.
228 (determine_iv_cost): Increase cost of non-original ivs, instead
229 of decreasing the cost of original ones.
230 (get_address_cost): Indicate the complexity of the addressing mode
232 (try_add_cand_for): Prefer using ivs not specific to some object.
233 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
235 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
236 Janis Johnson <janis187@us.ibm.com>
239 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
240 (TARGET_INSTANTIATE_DECLS): Likewise.
241 * target.h (expand_to_rtl_hook): New target hook.
242 (instantiate_decls): Likewise.
243 * function.c (instantiate_decl): Make non-static. Rename to...
244 (instantiate_decl_rtl): ... this.
245 (instantiate_expr): Use instantiate_decl_rtl.
246 (instantiate_decls_1): Likewise.
247 (instantiate_decls): Likewise.
248 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
249 * function.h (instantiate_decl_rtl): Add prototype.
250 * cfgexpand.c (target.h): New include.
251 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
252 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
253 (TARGET_INSTANTIATE_DECLS): Likewise.
254 (TARGET_INITIALIZER): New target hooks added.
255 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
257 * config/rs6000/rs6000.c (tree-flow.h): New include.
258 (machine_function): Add sdmode_stack_slot field.
259 (rs6000_alloc_sdmode_stack_slot): New function.
260 (rs6000_instantiate_decls): Likewise.
261 (rs6000_secondary_memory_needed_rtx): Likewise.
262 (rs6000_check_sdmode): Likewise.
263 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
264 (TARGET_INSTANTIATE_DECLS): Likewise.
265 (rs6000_hard_regno_mode_ok): Allow SDmode.
266 (num_insns_constant): Likewise. Handle _Decimal32 constants.
267 (rs6000_emit_move): Handle SDmode.
268 (function_arg_advance): Likewise.
269 (function_arg): Likewise.
270 (rs6000_gimplify_va_arg): Likewise. Add special handling of
271 SDmode var args for 32-bit compiles.
272 (rs6000_secondary_reload_class): Handle SDmode.
273 (rs6000_output_function_epilogue): Likewise.
274 (rs6000_function_value): Simplify if statement.
275 (rs6000_libcall_value): Likewise.
276 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
277 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
278 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
279 (movsd_hardfloat): New define_insn.
280 (movsd_softfloat): Likewise.
281 (movsd_store): Likewise.
282 (movsd_load): Likewise.
283 (extendsddd2): Likewise.
284 (extendsdtd2): Likewise.
285 (truncddsd2): Likewise.
286 (movdd_hardfloat64): Fixup comment.
287 (UNSPEC_MOVSD_LOAD): New constant.
288 (UNSPEC_MOVSD_STORE): Likewise.
290 2008-01-26 Jakub Jelinek <jakub@redhat.com>
293 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
295 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
296 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
297 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
300 2008-01-26 David Edelsohn <edelsohn@gnu.org>
303 * config.gcc: Separate AIX 5.3 from AIX 6.1.
304 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
306 * config/rs6000/aix61.h: New file.
308 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
310 PR rtl-optimization/34959
311 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
312 popcount and parity rtxes the same mode as their operand.
313 Truncate or extend the result to the return value's mode
316 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
319 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
320 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
321 to GOT_VERSION_REGNUM.
322 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
323 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
324 * config/mips/mips.c (mips_emit_call_insn): New function.
325 (mips_call_tls_get_addr): Call mips_expand_call directly.
326 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
328 (mips16_build_call_stub): Likewise. Return the call insn or null.
329 (mips_expand_call): Update the call to mips16_build_call_stub
330 accordingly and a remove redundant condition. Assert that MIPS16
331 stubs do not use lazy binding. Use mips_emit_call_insn and return
333 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
335 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
336 (mips_avoid_hazard): Remove hazard_set handling.
337 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
338 (UNSPEC_RESTORE_GP): ...this.
339 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
340 (FAKE_CALL_REGNO): Rename to...
341 (GOT_VERSION_REGNUM): ...this.
342 (type): Add "ghost" value. Add an associated insn reservation.
343 (hazard_set): Remove.
344 (exception_receiver): Rename to...
345 (restore_gp): ...this and update the unspec identifier accordingly.
346 (exception_receiver, nonlocal_got_receiver): New expanders.
347 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
348 FAKE_CALL_REGNO. Remove hazard_set attribute.
349 (set_got_version, update_got_version): New patterns.
351 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
354 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
356 2008-01-25 Joseph Myers <joseph@codesourcery.com>
359 * doc/install.texi2html: Generate gcc-vers.texi.
361 2008-01-25 DJ Delorie <dj@redhat.com>
363 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
365 2008-01-25 Joseph Myers <joseph@codesourcery.com>
367 * config/c4x: Remove directory.
368 * config.gcc (crx-*, mt-*): Mark obsolete.
369 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
370 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
371 sh-*-rtemscoff*): Remove cases.
372 * defaults.h (C4X_FLOAT_FORMAT): Remove.
373 * real.c (encode_c4x_single, decode_c4x_single,
374 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
375 c4x_extended_format): Remove.
376 * real.h (c4x_single_format, c4x_extended_format): Remove.
377 * doc/extend.texi (interrupt, naked): Remove mention of attributes
379 (Pragmas): Remove comment about c4x pragmas.
380 * doc/install.texi (c4x): Remove target-specific instructions.
381 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
382 * doc/md.texi (Machine Constraints): Remove C4x documentation.
383 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
384 refer to C4x source files as examples.
385 (C4X_FLOAT_FORMAT): Remove documentation.
387 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
389 * config/bfin/bfin.c (override_options): Reorder tests so that
390 flag_pic gets enabled for -msep-data.
392 2008-01-25 Richard Guenther <rguenther@suse.de>
395 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
396 to its bitfield precision if required.
398 2008-01-25 Jakub Jelinek <jakub@redhat.com>
401 * tree-nested.c (walk_omp_for): New function.
402 (convert_nonlocal_reference, convert_local_reference): Call
403 walk_omp_for on OMP_FOR.
404 (convert_call_expr): Call walk_body on OMP_FOR's
405 OMP_FOR_PRE_INIT_BODY.
407 2008-01-25 Richard Guenther <rguenther@suse.de>
409 PR tree-optimization/34966
410 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
411 default defs and PHI_NODEs we have to insert after the
414 2008-01-24 Nick Clifton <nickc@redhat.com>
416 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
417 Provide a default definition.
418 (LIBGCC2_UNITS_PER_WORD): Likewise.
420 * config/stormy16/stormy16.c: Include df.h for the prototype
421 for df_regs_ever_live_p.
422 (xstormy16_expand_builtin_va_start): Convert the stack offset
423 into a component_ref and then use POINTER_PLUS_EXPR to add it
424 to the incoming_virtual_args_rtx.
425 (xstormy16_gimplify_va_arg_expr): Rename to
426 xstormy16_gimplify_va_arg_expr.
427 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
428 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
429 xstormy16_gimplify_va_arg_expr.
430 Fix up some formatting issues.
432 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
433 Move to predicates.md.
434 (xs_hi_general_operand): Likewise.
435 (xs_hi_nonmemory_operand): Likewise.
436 * config/stormy16/predicates.md:
437 (xstormy16_carry_plus_operand): New predicate.
438 (xs_hi_general_operand): New predicate.
439 (xs_hi_nonmemory_operand): New predicate.
440 * config/stormy16/stormy16-protos.h:
441 (xstormy16_carry_plus_operand): Delete prototype.
442 (xs_hi_general_operand): Likewise.
443 (xs_hi_nonmemory_operand): Likewise.
445 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
446 modifiers as they are no longer needed and they can trigger
447 reload spill failures.
449 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
450 with a match_operand in order to help reload.
452 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
453 constraint with 'e' for the 8th alternative as this version of
454 the mov.w instruction only accepts the lower 8 registers.
456 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
459 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
460 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
463 2008-01-25 Jakub Jelinek <jakub@redhat.com>
466 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
468 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
470 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
472 (remove_structure): Update allocations list before removing structure.
474 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
476 * ipa-struct-reorg.c (is_safe_cond_expr,
477 create_new_stmts_for_cond_expr): Use integer_zerop function,
478 that recognize not only zero-pointer, but zero-integer too.
480 2008-01-25 Ben Elliston <bje@au.ibm.com>
483 * fixproto: Escape "." in sed expression that strips leading "./".
485 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
488 * gcc.c (SWITCH_OK): Removed.
489 (SWITCH_LIVE): Changed to bit.
490 (SWITCH_FALSE): Likewise.
491 (SWITCH_IGNORE): Likewise.
492 (switchstr): Change live_cond to unsigned int.
493 (process_command): Replace SWITCH_OK with 0.
494 (do_self_spec): Likewise.
495 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
496 (give_switch): Likewise.
497 (used_arg): Likewise.
498 (do_spec_1): Set the SWITCH_IGNORE bit.
499 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
500 bits. Set the SWITCH_LIVE bit.
502 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
504 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
506 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
508 PR tree-optimization/34472
509 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
510 parameter to a "bool *" and set *DATA to false if there is
511 an unsafe access. Do not delete the structure here.
512 (check_cond_exprs): Delete it here instead.
513 (check_cond_exprs, exclude_cold_structs): Do not increase
514 I when removing a structure.
516 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
519 * config/i386/i386.c (ix86_expand_vector_init): Consider only
520 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
522 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
525 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
526 a fixed vector for stack.
528 2008-01-24 Ben Elliston <bje@au.ibm.com>
531 * doc/gcc.texi (Software development): Add a direntry for g++.
533 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
535 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
536 stale and straggling -fforce-addr comments above.
538 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
540 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
541 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
543 2008-01-23 Michael Matz <matz@suse.de>
546 * dwarf2out.c (force_type_die): Use modified_type_die instead of
549 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
551 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
554 2008-01-23 Anatoly Sokolov <aesok@post.ru>
556 * config/avr/avr.c (avr_current_arch): New variable.
557 (avr_arch_types): Add 'avr31' and 'avr51' entries.
558 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
559 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
560 (avr_override_options): Init 'avr_current_arch'.
561 (base_arch_s): Move from here...
562 * config/avr/avr.h (base_arch_s): ... here. Add new members
563 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
564 'mega' to 'have_jmp_call'.
565 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
566 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
568 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
570 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
571 MULTILIB_MATCHES): (Ditto.).
573 2008-01-23 Richard Guenther <rguenther@suse.de>
576 * cgraphunit.c (cgraph_reset_node): Always mark the node
577 not reachable if it is not queued already.
579 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
581 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
582 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
583 (cputype_selected): New static variable.
584 (bfin_handle_option): Set it if -mcpu is used.
585 (override_option): Select default set of workarounds if no cpu type
586 selected on the command line.
587 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
589 From Michael Frysinger <michael.frysinger@analog.com>
590 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
591 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
593 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
594 for bf547, bf523, bf524, and bf526.
595 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
597 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
598 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
599 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
600 __ADSPBF547__ and __ADSPBF54x__ for bf547.
601 * doc/invoke.texi (Blackfin Options): Document that
602 -mcpu now accept bf547, bf523, bf524, and bf526.
604 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
606 PR rtl-optimization/34628
607 * combine.c (try_combine): Stop and undo after the first combination
608 if an autoincrement side-effect on the first insn has effectively
611 2008-01-22 David Edelsohn <edelsohn@gnu.org>
614 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
615 Offset addresses are not valid for Altivec or paired float modes.
617 2008-01-22 Jakub Jelinek <jakub@redhat.com>
620 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
621 if DECL_INITIAL (decl) is error_mark_node.
624 * c-common.c (handle_vector_size_attribute): Only allow
625 integral, scalar float and fixed point types. Handle OFFSET_TYPE
626 the same way as pointer, array etc. types.
627 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
630 * tree.c (build_type_attribute_qual_variant): Call
631 build_qualified_type if attributes are equal, but quals are not.
633 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
636 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
637 * flags.h (warn_strict_aliasing): Remove.
638 (warn_strict_overflow): Remove.
639 * opts.c (warn_strict_aliasing): Remove.
640 (warn_strict_overflow): Remove.
641 * c-opts.c (c_common_handle_option): -Wall only sets
642 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
643 (c_common_post_options): Give default values to -Wstrict-aliasing
644 and -Wstrict-overflow if they are uninitialized.
645 * common.opt (Wstrict-aliasing): Specify Var and Init.
646 (Wstrict-overflow): Likewise.
648 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
650 PR rtl-optimization/26854
651 PR rtl-optimization/34400
652 PR rtl-optimization/34884
653 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
655 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
656 (df_rd_bb_info.expanded_lr_out): Deleted
657 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
658 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
659 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
660 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
661 Removed code to allocate, initialize or free expanded_lr_out.
662 (df_rd_bb_local_compute_process_def): Restructured to make more
664 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
665 sets if the sets are being trimmed.
667 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
670 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
672 * configure: Regenerated.
674 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
677 * tree-pass.h (pass_build_alias): New pass.
678 * tree-ssa-alias.c (gate_build_alias): New.
679 (pass_build_alias): New.
680 * passes.c (init_optimization_passes): Add pass_build_alias after
681 pass_create_structure_vars.
683 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
685 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
686 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
687 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
688 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
689 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
690 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
691 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
692 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
693 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
694 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
695 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
696 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
697 * config/s390/s390.md (FP_ALL): New mode iterator.
698 (_d): New mode attribute.
699 ("*signbit<mode>2>"): Changed mode of first operand.
700 ("isinf<mode>2"): Changed mode of first operand.
701 ("*TDC_insn"): Adaptation for DFP modes.
703 2008-01-22 Ben Elliston <bje@au.ibm.com>
705 * tree.c (check_qualified_type): Improve function description.
707 2008-01-21 Jason Merrill <jason@redhat.com>
710 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
711 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
714 2008-01-21 DJ Delorie <dj@redhat.com>
716 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
719 2008-01-21 Richard Guenther <rguenther@suse.de>
722 * tree-cfg.c (verify_expr): Allow all invariant expressions
723 instead of just constant class ones as reference argument.
724 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
725 like any other constant.
726 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
728 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
730 * regmove.c (fixup_match_1): Update call crossed frequencies.
732 2008-01-21 Richard Guenther <rguenther@suse.de>
735 * tree-inline.c (setup_one_parameter): Deal with mismatched
736 types using a VIEW_CONVERT_EXPR.
738 2008-01-21 Alon Dayan <alond@il.ibm.com>
739 Olga Golovanevsky <olga@il.ibm.com>
741 PR tree-optimization/34701
742 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
743 when the structure size is not a power of 2.
745 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
747 * doc/install.texi: Add doc for --enable-checking=df.
749 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
751 PR rtl-optimization/34808
752 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
754 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
756 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
759 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
761 PR rtl-optimization/26854
762 PR rtl-optimization/34400
763 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
765 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
766 (df_rd_bb_info.expanded_lr_out): New.
767 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
768 * loop_iv.c (iv_analysis_loop_init): Ditto.
769 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
770 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
771 Added code to allocate, initialize or free expanded_lr_out.
772 (df_rd_bb_local_compute_process_def): Restructured to make
774 (df_rd_confluence_n): Add code to do nothing with fake edges and
775 code to no apply invalidate_by_call sets if the sets are being trimmed.
776 (df_lr_local_finalize): Renamed to df_lr_finalize.
777 (df_live_local_finalize): Renamed to df_live_finalize.
779 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
782 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
783 deciding whether to use reciprocal instructions.
785 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
787 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
788 dwarf2out_note_section_used if cold_text_section is NULL.
790 2008-01-19 Jakub Jelinek <jakub@redhat.com>
792 PR gcov-profile/34610
793 * tree-cfg.c (make_edges): Mark both outgoing edges from
794 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
795 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
796 from OMP_FOR and OMP_CONTINUE outgoing edges.
798 * tree-profile.c (tree_profiling): Return early if
799 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
801 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
802 from cfun to child_cfun.
803 * function.h (struct function): Add after_tree_profile bit.
805 2008-01-19 Anatoly Sokolov <aesok@post.ru>
807 * config/avr/avr.S (_exit): Disable interrupt.
809 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
810 Steven Bosscher <stevenb.gcc@gmail.com>
812 PR rtl-optimization/26854
813 PR rtl-optimization/34400
814 * df-problems.c (df_live_scratch): New scratch bitmap.
815 (df_live_alloc): Allocate df_live_scratch when doing df_live.
816 (df_live_reset): Clear the proper bitmaps.
817 (df_live_bb_local_compute): Only process the artificial defs once
818 since the order is not important.
819 (df_live_init): Init the df_live sets only with the variables
821 (df_live_transfer_function): Use the df_lr sets to prune the
822 df_live sets as they are being computed.
823 (df_live_free): Free df_live_scratch.
825 2008-01-18 Ian Lance Taylor <iant@google.com>
827 * common.opt: Add fmerge-debug-strings.
828 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
829 flag_merge_debug_strings rather than flag_merge_constants.
830 * doc/invoke.texi (Option Summary): Mention
831 -fmerge-debug-strings.
832 (Debugging Options): Document -fmerge-debug-strings.
834 2008-01-18 Ian Lance Taylor <iant@google.com>
837 * tree.h (DECL_IS_OPERATOR_NEW): Define.
838 (struct tree_function_decl): Add new field operator_new_flag.
839 * tree-inline.c (expand_call_inline): When inlining a call to
840 operator new, force the return value to go into a variable, and
841 set DECL_NO_TBAA_P on that variable.
842 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
844 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
847 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
848 DWARF2_DEBUGGING_INFO.
849 (dwarf2out_note_section_used): Ditto. Add prototype.
850 (have_multiple_function_sections, text_section_used,
851 cold_text_section_used, *cold_text_sections): Move declarations
854 2008-01-17 Bob Wilson <bob.wilson@acm.org>
856 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
857 field and add signal_ra.
858 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
859 assignments to frame state pc. Move end of stack check after
860 MD_FALLBACK_FRAME_STATE_FOR.
861 (uw_update_context_1): Use frame state signal_regs if set, instead
862 of checking signal_frame flag.
863 (uw_update_context): Use frame state signal_ra if set.
864 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
865 * config/xtensa/linux-unwind.h: New file.
867 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
869 * modulo-sched.c (get_sched_window): Fix comment typo.
871 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
873 PR tree-optimization/34648
874 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
876 2008-01-17 Anatoly Sokolov <aesok@post.ru>
878 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
879 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
881 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
883 PR rtl-optimization/34400
884 * df-core.c (df_worklist_dataflow_overeager,
885 df_worklist_dataflow_doublequeue): New functions.
886 (df_worklist_dataflow): Two different worklist solvers.
887 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
890 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
893 * doc/invoke.texi: Document the dependence on pthread for fopenmp
894 and ftree-parallelize-loops.
896 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
898 PR rtl-optimization/34826
899 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
901 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
903 * global.c (find_reg): Mark the eh regs as used if necessary.
904 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
905 * ra.h (struct allocno): no_eh_reg field added. Changed
906 no_stack_reg type to bitfield.
908 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
910 * tree.c (substitute_in_expr): Add missing 'break'.
912 2008-01-17 Richard Guenther <rguenther@suse.de>
914 PR tree-optimization/34825
915 * tree-ssa-math-opts.c (is_division_by): Do not recognize
916 x / x as division to handle.
918 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
920 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
921 "-pthread" is specified.
922 * pa-hpux11.h (LIB_SPEC): Likewise.
924 2008-01-16 Janis Johnson <janis187@us.ibm.com>
925 Peter Bergner <bergner@vnet.ibm.com>
927 PR rtl-optimization/33796
928 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
930 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
933 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
935 * pa-hpux10.h (LINK_SPEC): Likewise.
936 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
938 2008-01-16 Richard Guenther <rguenther@suse.de>
941 * fold-const.c (fold_convert_const_int_from_int): Do not
942 set overflow if that occured only because of a sign extension
943 change when converting from/to a sizetype with the same
944 precision and signedness.
946 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
949 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
950 location address to the correct place. Update copyright year.
952 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
954 * lambda-code.c (lambda_transform_legal_p): Handle the case of
955 no dependences in the dependence_relations vector.
957 2008-01-16 Jan Hubicka <jh@suse.cz>
959 PR rtl-optimization/31396
960 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
961 * cfg.c (dump_reg_info): Print it.
962 * regs.h (struct reg_info_t): add freq_calls_crossed.
963 (REG_FREQ_CALLS_CROSSED): New macro.
964 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
965 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
966 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
967 regmove_optimize): Update call crossed frequencies.
968 * local-alloc.c (struct qty): Add freq_calls_crossed.
969 (alloc_qty): Copute freq_calls_crossed.
970 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
971 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
972 * ra.h (struct allocno): Add freq_calls_crossed.
974 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
976 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
977 libgomp when compiling with ftree-parallelize-loops.
978 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
980 2008-01-16 Richard Guenther <rguenther@suse.de>
982 PR tree-optimization/34769
983 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
984 * tree.c (int_cst_value): Instead make this function more
985 permissive in what it accepts as valid input. Document this
986 function always sign-extends the value.
988 2008-01-16 Jakub Jelinek <jakub@redhat.com>
989 Richard Guenther <rguenther@suse.de>
992 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
993 (gimple_fold_indirect_ref_rhs): ... this.
994 (gimple_fold_indirect_ref): New function with foldings
995 that preserve lvalueness.
996 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
997 * tree-flow.h (gimple_fold_indirect_ref): Declare.
998 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
999 to fold an INDIRECT_REF, fall back to the old use of
1000 fold_indirect_ref_1.
1002 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1004 * tree-data-ref.c (subscript_dependence_tester_1): Call
1005 free_conflict_function.
1006 (compute_self_dependence): Same.
1008 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1011 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1012 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1014 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1015 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1016 for DWARF2_UNWIND_INFO targets.
1018 2008-01-16 Richard Guenther <rguenther@suse.de>
1021 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1022 type qualifiers for function types.
1024 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1026 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1027 loop_iterator li from previous commit.
1029 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1031 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1033 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1035 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1036 (parallelize_loops): Don't parallelize irreducible components.
1038 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1041 * c-opts (c_common_post_options): Do not enable CPP
1042 flag_pedantic_errors by default.
1044 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1046 PR rtl-optimization/31944
1047 * cse.c (remove_pseudo_from_table): New function.
1048 (merge_equiv_classes): Use above function to remove pseudo-registers.
1049 (invalidate): Likewise.
1051 2008-01-13 Richard Guenther <rguenther@suse.de>
1054 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1055 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1057 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1059 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1060 validate_change to unshare the source of the PC set.
1062 2008-01-12 Jan Hubicka <jh@suse.cz>
1065 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1066 references above array bounds. This might trigger bounds checks for
1069 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1071 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1072 new_replaceable_dependencies.
1074 2008-01-12 Doug Kwan <dougkwan@google.com>
1076 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1077 instead of OPT_Wreturn_type in warning due to ignored return type
1079 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1080 options included in -Wextra.
1081 * c.opt: New option -Wignored_qualifiers.
1082 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1083 -Wignore_qualifiers.
1084 (-Wignored-qualifiers): Document.
1085 (-Wreturn-type): Remove description of functionality now handled
1086 by -Wignored-qualifiers.
1088 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1091 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1092 NOP_EXPR if it is between integral types with the same precision.
1094 2008-01-12 Jan Hubicka <jh@suse.cz>
1097 * invoke.texi (max-inline-recursive-depth): Fix default value.
1099 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1101 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1104 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1106 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1108 2008-01-11 James E. Wilson <wilson@specifix.com>
1111 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1113 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1115 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1116 save/restore frame pointer register and don't use 'call-prologues'
1117 optimization in function with "OS_task" attribute.
1119 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1122 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1123 when copying to memory.
1125 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1127 PR rtl-optimization/30905
1128 * cfgcleanup.c: Include dce.h
1129 (crossjumps_occured): New global variable.
1130 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1131 If something changed, set crossjumps_occured to true.
1132 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1133 Don't add/remove fake edges to exit here...
1134 (cleanup_cfg): ...but do it here, when crossjumping.
1135 Run a fast DCE when successful crossjumps occured in the latest
1136 iteration of try_optimize_cfg.
1138 2008-01-11 Richard Guenther <rguenther@suse.de>
1140 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1141 (struct vn_unary_op_s): Likewise.
1142 (vn_reference_insert): Free old reference on hash collision.
1144 2008-01-10 Raksit Ashok <raksit@google.com>
1146 PR rtl-optimization/27971
1147 * combine.c (find_split_point): Split PLUS expressions which are
1148 inside a MEM rtx, and whose first operand is complex.
1150 2008-01-10 DJ Delorie <dj@redhat.com>
1152 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1153 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1154 (m32c_hard_regno_ok): Call the underlying function.
1156 2008-01-10 Richard Guenther <rguenther@suse.de>
1159 * tree-cfg.c (tree_merge_blocks): Do not go through the
1160 full-blown folding and stmt updating path if we just deal
1161 with virtual operands.
1162 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1163 test for abnormal SSA_NAMEs.
1165 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1168 * reload.c (push_reload): Add assertions. All constants from
1169 reg_equiv_constant should have been used for replacing the respective
1171 (find_reloads_address): Invoke find_reloads_address_part for
1172 constant taken from the reg_equiv_constant array.
1174 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1176 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1177 field (valnum) the first in the struct. Replace bools with
1180 2008-01-10 Richard Guenther <rguenther@suse.de>
1182 PR tree-optimization/34651
1183 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1184 types and ordering for masking and converting.
1186 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1188 PR tree-optimization/34017
1189 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1190 also for PHI_NODE expressions.
1192 2008-01-09 Jan Hubicka <jh@suse.cz>
1194 PR tree-optimization/34708
1195 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1196 based on number of case labels.
1197 (init_inline_once): Remove switch_cost.
1198 * tree-inline.h (eni_weights_d): Remove switch_cost.
1200 2008-01-09 Richard Guenther <rguenther@suse.de>
1201 Andrew Pinski <andrew_pinski@playstation.sony.com>
1204 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1205 temporary if an rvalue is ok or an lvalue is not required.
1207 2008-01-09 Richard Guenther <rguenther@suse.de>
1210 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1213 2008-01-09 Richard Guenther <rguenther@suse.de>
1216 * tree.c (host_integerp): Check for sizetype only if the
1217 type is an integer type.
1219 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1222 * opts.c (decode_options): Disable inlining of functions called
1223 once if not in unit-at-a-time mode.
1225 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1227 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1229 2008-01-08 Richard Guenther <rguenther@suse.de>
1232 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1233 out early if the result will be unused.
1235 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1240 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1241 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1244 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1246 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1247 for vectorization tuned.
1249 2008-01-08 Richard Guenther <rguenther@suse.de>
1251 PR tree-optimization/34683
1252 * tree-ssa-operands.c (operand_build_cmp): Export.
1253 * tree-ssa-operands.h (operand_build_cmp): Declare.
1254 * tree-vn.c (vuses_compare): Remove.
1255 (sort_vuses): Use operand_build_cmp.
1256 (sort_vuses_heap): Likewise.
1257 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1258 to re-use old VEC if available. Do not sort already sorted VUSEs.
1259 (vdefs_to_vec): Do not sort already sorted VDEFs.
1261 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1264 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1266 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1269 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1270 limitations of reciprocal sequences on x86 targets.
1272 2008-01-08 Richard Guenther <rguenther@suse.de>
1274 PR tree-optimization/34683
1275 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1277 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1280 * config/darwin.c (darwin_mergeable_string_section): Don't use
1281 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1283 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1286 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1287 negxf2. Macroize expander using X87MODEF mode iterator. Change
1288 predicates of op0 and op1 to register_operand.
1289 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1290 expander using X87MODEF mode iterator. Change predicates of
1291 op0 and op1 to register_operand.
1292 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1293 corresponding patterns and macroize using MODEF macro. Change
1294 predicates of op0 and op1 to register_operand and remove
1295 "m" constraint. Disparage "r" alternative with "!".
1296 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1297 macroize using X87MODEF macro. Change predicates of op0 and op1
1298 to register_operand and remove "m" constraint. Disparage "r"
1299 alternative with "!".
1300 (absneg splitter with memory operands): Remove.
1301 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1302 patterns and macroize using X87MODEF mode iterator.
1303 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1304 Change predicate of op1 to register_operand.
1305 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1306 for memory operands.
1308 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1310 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1312 2008-01-07 Richard Guenther <rguenther@suse.de>
1314 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1317 2008-01-07 Richard Guenther <rguenther@suse.de>
1319 PR tree-optimization/34683
1320 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1321 VOPs of the needed size to save memory. Use VEC_quick_push
1322 to save compile-time.
1323 (vdefs_to_vec): Likewise.
1325 2008-01-07 Sa Liu <saliu@de.ibm.com>
1327 * config/spu/spu.md (divdf3): Genetate inline code for double
1328 division. The implementation doesn't handle INF or NAN, therefore it
1329 only applies when -ffinite-math-only is given.
1331 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1334 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1335 * doc/cpp.texi ([Common Predefined Macros]): Document.
1337 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1339 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1340 order to use commutative addition instead of subtraction.
1342 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1343 Mircea Namolaru <namolaru@il.ibm.com>
1344 Vladimir Yanovsky <yanov@il.ibm.com>
1345 Revital Eres <eres@il.ibm.com>
1347 PR tree-optimization/34263
1348 * tree-outof-ssa.c (process_single_block_loop_latch,
1349 contains_tree_r): New functions.
1350 (analyze_edges_for_bb): Call process_single_block_loop_latch
1351 function to empty single-basic-block latch block if possible.
1353 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1355 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1357 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1359 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1361 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1363 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1365 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1367 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1369 PR tree-optimization/34618
1370 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1373 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1376 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1377 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1378 Update copyright year.
1380 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1381 Update copyright year.
1382 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1385 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1387 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1388 edge does not point to current bb before changing need_assert.
1390 2008-01-04 Richard Guenther <rguenther@suse.de>
1393 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1394 for verifying purposes if they are is_gimple_min_invariant.
1396 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1398 PR tree-optimization/34448
1399 PR tree-optimization/34465
1400 * gimplify.c (gimplify_init_constructor): Add new parameter
1401 notify_temp_creation. Use it.
1402 (gimplify_modify_expr_rhs): Take volatiles into account when
1403 optimizing constructors.
1404 Do not optimize constructors if gimplify_init_constructor will dump to
1406 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1407 * gcc.c-torture/compile/pr34448.c: New.
1409 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1411 PR gcov-profile/34609
1412 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1413 return_slot if result is TREE_ADDRESSABLE.
1415 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1417 * config/mips/mips.md (sqrt_condition): Tweak comment.
1418 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1420 2008-01-03 Tom Tromey <tromey@redhat.com>
1423 * c-common.c (c_type_hash): Handle VLAs.
1425 2008-01-03 Jan Hubicka <jh@suse.cz>
1427 PR tree-optimization/31081
1428 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1429 0 when inlining and not inlining to first basic block.
1430 (remap_decl): When var is initialized to 0, don't set default_def.
1431 (expand_call_inline): Set entry_bb.
1432 * tree-inline.h (copy_body_data): Add entry_bb.
1434 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1437 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1440 PR tree-optimization/29484
1441 * tree-inline.c (inline_forbidden_p_2): New function.
1442 (inline_forbidden_p): Disallow inlining if some static var
1443 has an address of a local LABEL_DECL in its initializer.
1444 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1447 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1449 PR tree-optimization/34635
1450 * tree-data-ref.c (add_other_self_distances): Make sure that the
1451 evolution step is constant.
1453 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1456 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1458 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1460 * tree-sra.c (scalarize_init): Insert the generate_element_init
1461 statements after the generate_element_zero statements.
1463 2008-01-02 Richard Guenther <rguenther@suse.de>
1467 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1468 for very large number of operands instead of ICEing.
1470 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1473 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1474 while stack probing.
1476 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1478 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1481 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1484 * tree-mudflap.c (mx_register_decls): Guard warning by
1485 !DECL_ARTIFICIAL check.
1487 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1489 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1490 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1491 sse5_perm<mode>): Fix constraints.