1 2008-02-01 Roger Sayle <roger@eyesopen.com>
4 * configure.ac (--enable-fixed-point): Disable unless explicitly
6 * configure: Regenerate.
8 2008-02-01 Richard Guenther <rguenther@suse.de>
11 * invoke.texi (-finline-limit): Remove no longer true parts
12 of the documentation. Note that there is no default value.
14 2008-02-01 Andrew Pinski <pinskia@gmail.com>
15 Mark Mitchell <mark@codesourcery.com>
16 Ben Elliston <bje@au.ibm.com>
19 * doc/extend.texi (Other Builtins): Document.
21 2008-01-31 Tom Browder <tom.browder@gmail.com>
23 * doc/c-tree.texi (Types): Fix grammar.
24 (Expression trees): Ditto.
25 * doc/passes.texi (Tree-SSA passes): Ditto.
27 * doc/configterms.texi (Configure Terms): Fix typo.
28 * doc/cpp.texi (Common Predefined Macros): Ditto.
29 * doc/md.texi (Machine Constraints): Ditto.
31 * doc/makefile.texi (Makefile): Add comma.
33 2008-01-31 Tom Browder <tom.browder@gmail.com>
34 Gerald Pfeifer <gerald@pfeifer.com>
36 * doc/sourcebuild.texi (Front End): Remove references to CVS
38 (Texinfo Manuals): Replace reference to CVS by one to SVN.
39 (Back End): Remove reference to CVS.
41 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
44 * config/mips/mips.c (gen_load_const_gp): New function, taking a
46 (mips16_gp_pseudo_reg): ...here.
47 * config/mips/mips.md (load_const_gp): Replace with...
48 (load_const_gp_<mode>): ...this :P-based insn.
50 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
52 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
54 (-std): Move reference to standards closer to where language
55 standards are first mentioned.
57 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
59 PR rtl-optimization/34995
60 * reload.c (alternative_allows_const_pool_ref): Take an rtx
61 parameter and return a bool. If the rtx parameter is nonnull,
62 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
63 (find_reloads): Update call accordingly. Pass the new operand
64 if it needed no address reloads, otherwise pass null.
66 2008-01-30 Richard Henderson <rth@redhat.com>
69 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
72 2008-01-30 Silvius Rus <rus@google.com>
74 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
76 2008-01-30 Jan Hubicka <jh@suse.cz>
79 * i386.c (init_cumulative_args): Use real function declaration when
82 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
84 PR rtl-optimization/34998
85 * global.c (build_insn_chain): Treat non-subreg_lowpart
86 SUBREGs of pseudos as clobbering all the words covered by the
87 SUBREG, not just all the bytes.
88 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
89 original df_ref rather than an extract parameter.
90 (global_conflicts): Update call accordingly.
92 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
94 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
95 the overflow check to make it easier to read.
96 (__fixtfdi): Change the type of the ll member in union
97 long_double to UDItype_x.
99 2008-01-30 Jakub Jelinek <jakub@redhat.com>
102 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
103 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
104 * tree-inline.c (fold_marked_statements): Call
105 cgraph_update_edges_for_call_stmt if folding a call statement.
106 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
107 debug_generic_stmt calls, reset it back afterwards.
110 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
112 * c-typeck.c (build_external_ref): Don't pedwarn about
113 static vars in current function's scope.
115 2008-01-29 Joseph Myers <joseph@codesourcery.com>
117 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
119 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
122 * ipa-struct-reorg.c: Fix spelling.
125 2008-01-29 Richard Guenther <rguenther@suse.de>
128 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
130 * tree-inline.c (remap_type): Increment remapping_type_depth
131 around remapping types.
132 (copy_body_r): Only add referenced variables if they are referenced
133 from code, not types.
135 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
146 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
147 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
149 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
152 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
153 pointer for tiny stack.
155 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
157 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
159 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
161 * config/vx-common.h: Fix typo in comment.
163 2008-01-28 Ian Lance Taylor <iant@google.com>
167 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
168 coalesce pointers if they have different DECL_NO_TBAA_P values.
169 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
170 between variables with different DECL_NO_TBAA_P values.
172 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
175 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
176 are not legitimate small data references on SPE targets.
178 2008-01-28 David Daney <ddaney@avtrex.com>
180 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
182 2008-01-28 David Daney <ddaney@avtrex.com>
184 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
186 2008-01-27 Joseph Myers <joseph@codesourcery.com>
188 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
189 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
190 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
191 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
192 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
193 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
194 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
195 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
197 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
199 * basic-block.h (condjump_equiv_p): Fix comment.
201 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
203 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
204 print_generic_stmt_indented): Fix comment.
206 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
208 * configure.ac (__stack_chk_fail): Add detecion for availability
209 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
210 * configure: Regenerate.
212 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
215 * final.c (output_addr_const): Handle TRUNCATE.
217 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
220 * tree-ssa-loop-ivopts.c (comp_cost): New type.
221 (zero_cost, infinite_cost): New constants.
222 (struct cost_pair): Change type of cost to comp_cost.
223 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
224 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
226 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
227 split_address_cost, ptr_difference_cost, difference_cost,
228 get_computation_cost_at, get_computation_cost,
229 determine_use_iv_cost_generic, determine_use_iv_cost_address,
230 determine_use_iv_cost_condition, determine_use_iv_costs,
231 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
232 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
233 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
234 Change type of cost to comp_cost.
235 (determine_iv_cost): Increase cost of non-original ivs, instead
236 of decreasing the cost of original ones.
237 (get_address_cost): Indicate the complexity of the addressing mode
239 (try_add_cand_for): Prefer using ivs not specific to some object.
240 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
242 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
243 Janis Johnson <janis187@us.ibm.com>
246 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
247 (TARGET_INSTANTIATE_DECLS): Likewise.
248 * target.h (expand_to_rtl_hook): New target hook.
249 (instantiate_decls): Likewise.
250 * function.c (instantiate_decl): Make non-static. Rename to...
251 (instantiate_decl_rtl): ... this.
252 (instantiate_expr): Use instantiate_decl_rtl.
253 (instantiate_decls_1): Likewise.
254 (instantiate_decls): Likewise.
255 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
256 * function.h (instantiate_decl_rtl): Add prototype.
257 * cfgexpand.c (target.h): New include.
258 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
259 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
260 (TARGET_INSTANTIATE_DECLS): Likewise.
261 (TARGET_INITIALIZER): New target hooks added.
262 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
264 * config/rs6000/rs6000.c (tree-flow.h): New include.
265 (machine_function): Add sdmode_stack_slot field.
266 (rs6000_alloc_sdmode_stack_slot): New function.
267 (rs6000_instantiate_decls): Likewise.
268 (rs6000_secondary_memory_needed_rtx): Likewise.
269 (rs6000_check_sdmode): Likewise.
270 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
271 (TARGET_INSTANTIATE_DECLS): Likewise.
272 (rs6000_hard_regno_mode_ok): Allow SDmode.
273 (num_insns_constant): Likewise. Handle _Decimal32 constants.
274 (rs6000_emit_move): Handle SDmode.
275 (function_arg_advance): Likewise.
276 (function_arg): Likewise.
277 (rs6000_gimplify_va_arg): Likewise. Add special handling of
278 SDmode var args for 32-bit compiles.
279 (rs6000_secondary_reload_class): Handle SDmode.
280 (rs6000_output_function_epilogue): Likewise.
281 (rs6000_function_value): Simplify if statement.
282 (rs6000_libcall_value): Likewise.
283 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
284 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
285 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
286 (movsd_hardfloat): New define_insn.
287 (movsd_softfloat): Likewise.
288 (movsd_store): Likewise.
289 (movsd_load): Likewise.
290 (extendsddd2): Likewise.
291 (extendsdtd2): Likewise.
292 (truncddsd2): Likewise.
293 (movdd_hardfloat64): Fixup comment.
294 (UNSPEC_MOVSD_LOAD): New constant.
295 (UNSPEC_MOVSD_STORE): Likewise.
297 2008-01-26 Jakub Jelinek <jakub@redhat.com>
300 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
302 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
303 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
304 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
307 2008-01-26 David Edelsohn <edelsohn@gnu.org>
310 * config.gcc: Separate AIX 5.3 from AIX 6.1.
311 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
313 * config/rs6000/aix61.h: New file.
315 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
317 PR rtl-optimization/34959
318 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
319 popcount and parity rtxes the same mode as their operand.
320 Truncate or extend the result to the return value's mode
323 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
326 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
327 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
328 to GOT_VERSION_REGNUM.
329 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
330 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
331 * config/mips/mips.c (mips_emit_call_insn): New function.
332 (mips_call_tls_get_addr): Call mips_expand_call directly.
333 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
335 (mips16_build_call_stub): Likewise. Return the call insn or null.
336 (mips_expand_call): Update the call to mips16_build_call_stub
337 accordingly and a remove redundant condition. Assert that MIPS16
338 stubs do not use lazy binding. Use mips_emit_call_insn and return
340 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
342 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
343 (mips_avoid_hazard): Remove hazard_set handling.
344 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
345 (UNSPEC_RESTORE_GP): ...this.
346 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
347 (FAKE_CALL_REGNO): Rename to...
348 (GOT_VERSION_REGNUM): ...this.
349 (type): Add "ghost" value. Add an associated insn reservation.
350 (hazard_set): Remove.
351 (exception_receiver): Rename to...
352 (restore_gp): ...this and update the unspec identifier accordingly.
353 (exception_receiver, nonlocal_got_receiver): New expanders.
354 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
355 FAKE_CALL_REGNO. Remove hazard_set attribute.
356 (set_got_version, update_got_version): New patterns.
358 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
361 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
363 2008-01-25 Joseph Myers <joseph@codesourcery.com>
366 * doc/install.texi2html: Generate gcc-vers.texi.
368 2008-01-25 DJ Delorie <dj@redhat.com>
370 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
372 2008-01-25 Joseph Myers <joseph@codesourcery.com>
374 * config/c4x: Remove directory.
375 * config.gcc (crx-*, mt-*): Mark obsolete.
376 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
377 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
378 sh-*-rtemscoff*): Remove cases.
379 * defaults.h (C4X_FLOAT_FORMAT): Remove.
380 * real.c (encode_c4x_single, decode_c4x_single,
381 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
382 c4x_extended_format): Remove.
383 * real.h (c4x_single_format, c4x_extended_format): Remove.
384 * doc/extend.texi (interrupt, naked): Remove mention of attributes
386 (Pragmas): Remove comment about c4x pragmas.
387 * doc/install.texi (c4x): Remove target-specific instructions.
388 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
389 * doc/md.texi (Machine Constraints): Remove C4x documentation.
390 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
391 refer to C4x source files as examples.
392 (C4X_FLOAT_FORMAT): Remove documentation.
394 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
396 * config/bfin/bfin.c (override_options): Reorder tests so that
397 flag_pic gets enabled for -msep-data.
399 2008-01-25 Richard Guenther <rguenther@suse.de>
402 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
403 to its bitfield precision if required.
405 2008-01-25 Jakub Jelinek <jakub@redhat.com>
408 * tree-nested.c (walk_omp_for): New function.
409 (convert_nonlocal_reference, convert_local_reference): Call
410 walk_omp_for on OMP_FOR.
411 (convert_call_expr): Call walk_body on OMP_FOR's
412 OMP_FOR_PRE_INIT_BODY.
414 2008-01-25 Richard Guenther <rguenther@suse.de>
416 PR tree-optimization/34966
417 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
418 default defs and PHI_NODEs we have to insert after the
421 2008-01-24 Nick Clifton <nickc@redhat.com>
423 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
424 Provide a default definition.
425 (LIBGCC2_UNITS_PER_WORD): Likewise.
427 * config/stormy16/stormy16.c: Include df.h for the prototype
428 for df_regs_ever_live_p.
429 (xstormy16_expand_builtin_va_start): Convert the stack offset
430 into a component_ref and then use POINTER_PLUS_EXPR to add it
431 to the incoming_virtual_args_rtx.
432 (xstormy16_gimplify_va_arg_expr): Rename to
433 xstormy16_gimplify_va_arg_expr.
434 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
435 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
436 xstormy16_gimplify_va_arg_expr.
437 Fix up some formatting issues.
439 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
440 Move to predicates.md.
441 (xs_hi_general_operand): Likewise.
442 (xs_hi_nonmemory_operand): Likewise.
443 * config/stormy16/predicates.md:
444 (xstormy16_carry_plus_operand): New predicate.
445 (xs_hi_general_operand): New predicate.
446 (xs_hi_nonmemory_operand): New predicate.
447 * config/stormy16/stormy16-protos.h:
448 (xstormy16_carry_plus_operand): Delete prototype.
449 (xs_hi_general_operand): Likewise.
450 (xs_hi_nonmemory_operand): Likewise.
452 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
453 modifiers as they are no longer needed and they can trigger
454 reload spill failures.
456 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
457 with a match_operand in order to help reload.
459 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
460 constraint with 'e' for the 8th alternative as this version of
461 the mov.w instruction only accepts the lower 8 registers.
463 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
466 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
467 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
470 2008-01-25 Jakub Jelinek <jakub@redhat.com>
473 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
475 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
477 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
479 (remove_structure): Update allocations list before removing structure.
481 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
483 * ipa-struct-reorg.c (is_safe_cond_expr,
484 create_new_stmts_for_cond_expr): Use integer_zerop function,
485 that recognize not only zero-pointer, but zero-integer too.
487 2008-01-25 Ben Elliston <bje@au.ibm.com>
490 * fixproto: Escape "." in sed expression that strips leading "./".
492 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
495 * gcc.c (SWITCH_OK): Removed.
496 (SWITCH_LIVE): Changed to bit.
497 (SWITCH_FALSE): Likewise.
498 (SWITCH_IGNORE): Likewise.
499 (switchstr): Change live_cond to unsigned int.
500 (process_command): Replace SWITCH_OK with 0.
501 (do_self_spec): Likewise.
502 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
503 (give_switch): Likewise.
504 (used_arg): Likewise.
505 (do_spec_1): Set the SWITCH_IGNORE bit.
506 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
507 bits. Set the SWITCH_LIVE bit.
509 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
511 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
513 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
515 PR tree-optimization/34472
516 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
517 parameter to a "bool *" and set *DATA to false if there is
518 an unsafe access. Do not delete the structure here.
519 (check_cond_exprs): Delete it here instead.
520 (check_cond_exprs, exclude_cold_structs): Do not increase
521 I when removing a structure.
523 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
526 * config/i386/i386.c (ix86_expand_vector_init): Consider only
527 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
529 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
532 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
533 a fixed vector for stack.
535 2008-01-24 Ben Elliston <bje@au.ibm.com>
538 * doc/gcc.texi (Software development): Add a direntry for g++.
540 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
542 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
543 stale and straggling -fforce-addr comments above.
545 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
547 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
548 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
550 2008-01-23 Michael Matz <matz@suse.de>
553 * dwarf2out.c (force_type_die): Use modified_type_die instead of
556 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
558 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
561 2008-01-23 Anatoly Sokolov <aesok@post.ru>
563 * config/avr/avr.c (avr_current_arch): New variable.
564 (avr_arch_types): Add 'avr31' and 'avr51' entries.
565 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
566 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
567 (avr_override_options): Init 'avr_current_arch'.
568 (base_arch_s): Move from here...
569 * config/avr/avr.h (base_arch_s): ... here. Add new members
570 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
571 'mega' to 'have_jmp_call'.
572 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
573 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
575 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
577 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
578 MULTILIB_MATCHES): (Ditto.).
580 2008-01-23 Richard Guenther <rguenther@suse.de>
583 * cgraphunit.c (cgraph_reset_node): Always mark the node
584 not reachable if it is not queued already.
586 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
588 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
589 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
590 (cputype_selected): New static variable.
591 (bfin_handle_option): Set it if -mcpu is used.
592 (override_option): Select default set of workarounds if no cpu type
593 selected on the command line.
594 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
596 From Michael Frysinger <michael.frysinger@analog.com>
597 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
598 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
600 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
601 for bf547, bf523, bf524, and bf526.
602 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
604 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
605 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
606 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
607 __ADSPBF547__ and __ADSPBF54x__ for bf547.
608 * doc/invoke.texi (Blackfin Options): Document that
609 -mcpu now accept bf547, bf523, bf524, and bf526.
611 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
613 PR rtl-optimization/34628
614 * combine.c (try_combine): Stop and undo after the first combination
615 if an autoincrement side-effect on the first insn has effectively
618 2008-01-22 David Edelsohn <edelsohn@gnu.org>
621 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
622 Offset addresses are not valid for Altivec or paired float modes.
624 2008-01-22 Jakub Jelinek <jakub@redhat.com>
627 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
628 if DECL_INITIAL (decl) is error_mark_node.
631 * c-common.c (handle_vector_size_attribute): Only allow
632 integral, scalar float and fixed point types. Handle OFFSET_TYPE
633 the same way as pointer, array etc. types.
634 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
637 * tree.c (build_type_attribute_qual_variant): Call
638 build_qualified_type if attributes are equal, but quals are not.
640 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
643 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
644 * flags.h (warn_strict_aliasing): Remove.
645 (warn_strict_overflow): Remove.
646 * opts.c (warn_strict_aliasing): Remove.
647 (warn_strict_overflow): Remove.
648 * c-opts.c (c_common_handle_option): -Wall only sets
649 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
650 (c_common_post_options): Give default values to -Wstrict-aliasing
651 and -Wstrict-overflow if they are uninitialized.
652 * common.opt (Wstrict-aliasing): Specify Var and Init.
653 (Wstrict-overflow): Likewise.
655 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
657 PR rtl-optimization/26854
658 PR rtl-optimization/34400
659 PR rtl-optimization/34884
660 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
662 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
663 (df_rd_bb_info.expanded_lr_out): Deleted
664 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
665 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
666 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
667 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
668 Removed code to allocate, initialize or free expanded_lr_out.
669 (df_rd_bb_local_compute_process_def): Restructured to make more
671 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
672 sets if the sets are being trimmed.
674 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
677 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
679 * configure: Regenerated.
681 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
684 * tree-pass.h (pass_build_alias): New pass.
685 * tree-ssa-alias.c (gate_build_alias): New.
686 (pass_build_alias): New.
687 * passes.c (init_optimization_passes): Add pass_build_alias after
688 pass_create_structure_vars.
690 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
692 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
693 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
694 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
695 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
696 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
697 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
698 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
699 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
700 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
701 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
702 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
703 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
704 * config/s390/s390.md (FP_ALL): New mode iterator.
705 (_d): New mode attribute.
706 ("*signbit<mode>2>"): Changed mode of first operand.
707 ("isinf<mode>2"): Changed mode of first operand.
708 ("*TDC_insn"): Adaptation for DFP modes.
710 2008-01-22 Ben Elliston <bje@au.ibm.com>
712 * tree.c (check_qualified_type): Improve function description.
714 2008-01-21 Jason Merrill <jason@redhat.com>
717 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
718 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
721 2008-01-21 DJ Delorie <dj@redhat.com>
723 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
726 2008-01-21 Richard Guenther <rguenther@suse.de>
729 * tree-cfg.c (verify_expr): Allow all invariant expressions
730 instead of just constant class ones as reference argument.
731 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
732 like any other constant.
733 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
735 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
737 * regmove.c (fixup_match_1): Update call crossed frequencies.
739 2008-01-21 Richard Guenther <rguenther@suse.de>
742 * tree-inline.c (setup_one_parameter): Deal with mismatched
743 types using a VIEW_CONVERT_EXPR.
745 2008-01-21 Alon Dayan <alond@il.ibm.com>
746 Olga Golovanevsky <olga@il.ibm.com>
748 PR tree-optimization/34701
749 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
750 when the structure size is not a power of 2.
752 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
754 * doc/install.texi: Add doc for --enable-checking=df.
756 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
758 PR rtl-optimization/34808
759 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
761 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
763 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
766 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
768 PR rtl-optimization/26854
769 PR rtl-optimization/34400
770 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
772 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
773 (df_rd_bb_info.expanded_lr_out): New.
774 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
775 * loop_iv.c (iv_analysis_loop_init): Ditto.
776 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
777 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
778 Added code to allocate, initialize or free expanded_lr_out.
779 (df_rd_bb_local_compute_process_def): Restructured to make
781 (df_rd_confluence_n): Add code to do nothing with fake edges and
782 code to no apply invalidate_by_call sets if the sets are being trimmed.
783 (df_lr_local_finalize): Renamed to df_lr_finalize.
784 (df_live_local_finalize): Renamed to df_live_finalize.
786 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
789 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
790 deciding whether to use reciprocal instructions.
792 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
794 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
795 dwarf2out_note_section_used if cold_text_section is NULL.
797 2008-01-19 Jakub Jelinek <jakub@redhat.com>
799 PR gcov-profile/34610
800 * tree-cfg.c (make_edges): Mark both outgoing edges from
801 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
802 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
803 from OMP_FOR and OMP_CONTINUE outgoing edges.
805 * tree-profile.c (tree_profiling): Return early if
806 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
808 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
809 from cfun to child_cfun.
810 * function.h (struct function): Add after_tree_profile bit.
812 2008-01-19 Anatoly Sokolov <aesok@post.ru>
814 * config/avr/avr.S (_exit): Disable interrupt.
816 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
817 Steven Bosscher <stevenb.gcc@gmail.com>
819 PR rtl-optimization/26854
820 PR rtl-optimization/34400
821 * df-problems.c (df_live_scratch): New scratch bitmap.
822 (df_live_alloc): Allocate df_live_scratch when doing df_live.
823 (df_live_reset): Clear the proper bitmaps.
824 (df_live_bb_local_compute): Only process the artificial defs once
825 since the order is not important.
826 (df_live_init): Init the df_live sets only with the variables
828 (df_live_transfer_function): Use the df_lr sets to prune the
829 df_live sets as they are being computed.
830 (df_live_free): Free df_live_scratch.
832 2008-01-18 Ian Lance Taylor <iant@google.com>
834 * common.opt: Add fmerge-debug-strings.
835 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
836 flag_merge_debug_strings rather than flag_merge_constants.
837 * doc/invoke.texi (Option Summary): Mention
838 -fmerge-debug-strings.
839 (Debugging Options): Document -fmerge-debug-strings.
841 2008-01-18 Ian Lance Taylor <iant@google.com>
844 * tree.h (DECL_IS_OPERATOR_NEW): Define.
845 (struct tree_function_decl): Add new field operator_new_flag.
846 * tree-inline.c (expand_call_inline): When inlining a call to
847 operator new, force the return value to go into a variable, and
848 set DECL_NO_TBAA_P on that variable.
849 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
851 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
854 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
855 DWARF2_DEBUGGING_INFO.
856 (dwarf2out_note_section_used): Ditto. Add prototype.
857 (have_multiple_function_sections, text_section_used,
858 cold_text_section_used, *cold_text_sections): Move declarations
861 2008-01-17 Bob Wilson <bob.wilson@acm.org>
863 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
864 field and add signal_ra.
865 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
866 assignments to frame state pc. Move end of stack check after
867 MD_FALLBACK_FRAME_STATE_FOR.
868 (uw_update_context_1): Use frame state signal_regs if set, instead
869 of checking signal_frame flag.
870 (uw_update_context): Use frame state signal_ra if set.
871 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
872 * config/xtensa/linux-unwind.h: New file.
874 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
876 * modulo-sched.c (get_sched_window): Fix comment typo.
878 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
880 PR tree-optimization/34648
881 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
883 2008-01-17 Anatoly Sokolov <aesok@post.ru>
885 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
886 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
888 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
890 PR rtl-optimization/34400
891 * df-core.c (df_worklist_dataflow_overeager,
892 df_worklist_dataflow_doublequeue): New functions.
893 (df_worklist_dataflow): Two different worklist solvers.
894 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
897 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
900 * doc/invoke.texi: Document the dependence on pthread for fopenmp
901 and ftree-parallelize-loops.
903 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
905 PR rtl-optimization/34826
906 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
908 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
910 * global.c (find_reg): Mark the eh regs as used if necessary.
911 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
912 * ra.h (struct allocno): no_eh_reg field added. Changed
913 no_stack_reg type to bitfield.
915 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
917 * tree.c (substitute_in_expr): Add missing 'break'.
919 2008-01-17 Richard Guenther <rguenther@suse.de>
921 PR tree-optimization/34825
922 * tree-ssa-math-opts.c (is_division_by): Do not recognize
923 x / x as division to handle.
925 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
927 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
928 "-pthread" is specified.
929 * pa-hpux11.h (LIB_SPEC): Likewise.
931 2008-01-16 Janis Johnson <janis187@us.ibm.com>
932 Peter Bergner <bergner@vnet.ibm.com>
934 PR rtl-optimization/33796
935 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
937 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
940 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
942 * pa-hpux10.h (LINK_SPEC): Likewise.
943 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
945 2008-01-16 Richard Guenther <rguenther@suse.de>
948 * fold-const.c (fold_convert_const_int_from_int): Do not
949 set overflow if that occured only because of a sign extension
950 change when converting from/to a sizetype with the same
951 precision and signedness.
953 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
956 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
957 location address to the correct place. Update copyright year.
959 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
961 * lambda-code.c (lambda_transform_legal_p): Handle the case of
962 no dependences in the dependence_relations vector.
964 2008-01-16 Jan Hubicka <jh@suse.cz>
966 PR rtl-optimization/31396
967 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
968 * cfg.c (dump_reg_info): Print it.
969 * regs.h (struct reg_info_t): add freq_calls_crossed.
970 (REG_FREQ_CALLS_CROSSED): New macro.
971 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
972 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
973 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
974 regmove_optimize): Update call crossed frequencies.
975 * local-alloc.c (struct qty): Add freq_calls_crossed.
976 (alloc_qty): Copute freq_calls_crossed.
977 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
978 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
979 * ra.h (struct allocno): Add freq_calls_crossed.
981 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
983 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
984 libgomp when compiling with ftree-parallelize-loops.
985 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
987 2008-01-16 Richard Guenther <rguenther@suse.de>
989 PR tree-optimization/34769
990 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
991 * tree.c (int_cst_value): Instead make this function more
992 permissive in what it accepts as valid input. Document this
993 function always sign-extends the value.
995 2008-01-16 Jakub Jelinek <jakub@redhat.com>
996 Richard Guenther <rguenther@suse.de>
999 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1000 (gimple_fold_indirect_ref_rhs): ... this.
1001 (gimple_fold_indirect_ref): New function with foldings
1002 that preserve lvalueness.
1003 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1004 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1005 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1006 to fold an INDIRECT_REF, fall back to the old use of
1007 fold_indirect_ref_1.
1009 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1011 * tree-data-ref.c (subscript_dependence_tester_1): Call
1012 free_conflict_function.
1013 (compute_self_dependence): Same.
1015 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1018 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1019 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1021 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1022 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1023 for DWARF2_UNWIND_INFO targets.
1025 2008-01-16 Richard Guenther <rguenther@suse.de>
1028 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1029 type qualifiers for function types.
1031 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1033 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1034 loop_iterator li from previous commit.
1036 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1038 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1040 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1042 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1043 (parallelize_loops): Don't parallelize irreducible components.
1045 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1048 * c-opts (c_common_post_options): Do not enable CPP
1049 flag_pedantic_errors by default.
1051 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1053 PR rtl-optimization/31944
1054 * cse.c (remove_pseudo_from_table): New function.
1055 (merge_equiv_classes): Use above function to remove pseudo-registers.
1056 (invalidate): Likewise.
1058 2008-01-13 Richard Guenther <rguenther@suse.de>
1061 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1062 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1064 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1066 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1067 validate_change to unshare the source of the PC set.
1069 2008-01-12 Jan Hubicka <jh@suse.cz>
1072 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1073 references above array bounds. This might trigger bounds checks for
1076 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1078 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1079 new_replaceable_dependencies.
1081 2008-01-12 Doug Kwan <dougkwan@google.com>
1083 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1084 instead of OPT_Wreturn_type in warning due to ignored return type
1086 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1087 options included in -Wextra.
1088 * c.opt: New option -Wignored_qualifiers.
1089 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1090 -Wignore_qualifiers.
1091 (-Wignored-qualifiers): Document.
1092 (-Wreturn-type): Remove description of functionality now handled
1093 by -Wignored-qualifiers.
1095 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1098 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1099 NOP_EXPR if it is between integral types with the same precision.
1101 2008-01-12 Jan Hubicka <jh@suse.cz>
1104 * invoke.texi (max-inline-recursive-depth): Fix default value.
1106 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1108 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1111 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1113 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1115 2008-01-11 James E. Wilson <wilson@specifix.com>
1118 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1120 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1122 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1123 save/restore frame pointer register and don't use 'call-prologues'
1124 optimization in function with "OS_task" attribute.
1126 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1129 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1130 when copying to memory.
1132 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1134 PR rtl-optimization/30905
1135 * cfgcleanup.c: Include dce.h
1136 (crossjumps_occured): New global variable.
1137 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1138 If something changed, set crossjumps_occured to true.
1139 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1140 Don't add/remove fake edges to exit here...
1141 (cleanup_cfg): ...but do it here, when crossjumping.
1142 Run a fast DCE when successful crossjumps occured in the latest
1143 iteration of try_optimize_cfg.
1145 2008-01-11 Richard Guenther <rguenther@suse.de>
1147 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1148 (struct vn_unary_op_s): Likewise.
1149 (vn_reference_insert): Free old reference on hash collision.
1151 2008-01-10 Raksit Ashok <raksit@google.com>
1153 PR rtl-optimization/27971
1154 * combine.c (find_split_point): Split PLUS expressions which are
1155 inside a MEM rtx, and whose first operand is complex.
1157 2008-01-10 DJ Delorie <dj@redhat.com>
1159 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1160 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1161 (m32c_hard_regno_ok): Call the underlying function.
1163 2008-01-10 Richard Guenther <rguenther@suse.de>
1166 * tree-cfg.c (tree_merge_blocks): Do not go through the
1167 full-blown folding and stmt updating path if we just deal
1168 with virtual operands.
1169 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1170 test for abnormal SSA_NAMEs.
1172 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1175 * reload.c (push_reload): Add assertions. All constants from
1176 reg_equiv_constant should have been used for replacing the respective
1178 (find_reloads_address): Invoke find_reloads_address_part for
1179 constant taken from the reg_equiv_constant array.
1181 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1183 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1184 field (valnum) the first in the struct. Replace bools with
1187 2008-01-10 Richard Guenther <rguenther@suse.de>
1189 PR tree-optimization/34651
1190 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1191 types and ordering for masking and converting.
1193 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1195 PR tree-optimization/34017
1196 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1197 also for PHI_NODE expressions.
1199 2008-01-09 Jan Hubicka <jh@suse.cz>
1201 PR tree-optimization/34708
1202 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1203 based on number of case labels.
1204 (init_inline_once): Remove switch_cost.
1205 * tree-inline.h (eni_weights_d): Remove switch_cost.
1207 2008-01-09 Richard Guenther <rguenther@suse.de>
1208 Andrew Pinski <andrew_pinski@playstation.sony.com>
1211 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1212 temporary if an rvalue is ok or an lvalue is not required.
1214 2008-01-09 Richard Guenther <rguenther@suse.de>
1217 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1220 2008-01-09 Richard Guenther <rguenther@suse.de>
1223 * tree.c (host_integerp): Check for sizetype only if the
1224 type is an integer type.
1226 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1229 * opts.c (decode_options): Disable inlining of functions called
1230 once if not in unit-at-a-time mode.
1232 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1234 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1236 2008-01-08 Richard Guenther <rguenther@suse.de>
1239 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1240 out early if the result will be unused.
1242 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1247 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1248 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1251 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1253 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1254 for vectorization tuned.
1256 2008-01-08 Richard Guenther <rguenther@suse.de>
1258 PR tree-optimization/34683
1259 * tree-ssa-operands.c (operand_build_cmp): Export.
1260 * tree-ssa-operands.h (operand_build_cmp): Declare.
1261 * tree-vn.c (vuses_compare): Remove.
1262 (sort_vuses): Use operand_build_cmp.
1263 (sort_vuses_heap): Likewise.
1264 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1265 to re-use old VEC if available. Do not sort already sorted VUSEs.
1266 (vdefs_to_vec): Do not sort already sorted VDEFs.
1268 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1271 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1273 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1276 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1277 limitations of reciprocal sequences on x86 targets.
1279 2008-01-08 Richard Guenther <rguenther@suse.de>
1281 PR tree-optimization/34683
1282 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1284 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1287 * config/darwin.c (darwin_mergeable_string_section): Don't use
1288 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1290 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1293 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1294 negxf2. Macroize expander using X87MODEF mode iterator. Change
1295 predicates of op0 and op1 to register_operand.
1296 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1297 expander using X87MODEF mode iterator. Change predicates of
1298 op0 and op1 to register_operand.
1299 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1300 corresponding patterns and macroize using MODEF macro. Change
1301 predicates of op0 and op1 to register_operand and remove
1302 "m" constraint. Disparage "r" alternative with "!".
1303 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1304 macroize using X87MODEF macro. Change predicates of op0 and op1
1305 to register_operand and remove "m" constraint. Disparage "r"
1306 alternative with "!".
1307 (absneg splitter with memory operands): Remove.
1308 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1309 patterns and macroize using X87MODEF mode iterator.
1310 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1311 Change predicate of op1 to register_operand.
1312 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1313 for memory operands.
1315 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1317 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1319 2008-01-07 Richard Guenther <rguenther@suse.de>
1321 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1324 2008-01-07 Richard Guenther <rguenther@suse.de>
1326 PR tree-optimization/34683
1327 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1328 VOPs of the needed size to save memory. Use VEC_quick_push
1329 to save compile-time.
1330 (vdefs_to_vec): Likewise.
1332 2008-01-07 Sa Liu <saliu@de.ibm.com>
1334 * config/spu/spu.md (divdf3): Genetate inline code for double
1335 division. The implementation doesn't handle INF or NAN, therefore it
1336 only applies when -ffinite-math-only is given.
1338 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1341 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1342 * doc/cpp.texi ([Common Predefined Macros]): Document.
1344 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1346 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1347 order to use commutative addition instead of subtraction.
1349 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1350 Mircea Namolaru <namolaru@il.ibm.com>
1351 Vladimir Yanovsky <yanov@il.ibm.com>
1352 Revital Eres <eres@il.ibm.com>
1354 PR tree-optimization/34263
1355 * tree-outof-ssa.c (process_single_block_loop_latch,
1356 contains_tree_r): New functions.
1357 (analyze_edges_for_bb): Call process_single_block_loop_latch
1358 function to empty single-basic-block latch block if possible.
1360 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1362 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1364 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1366 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1368 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1370 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1372 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1374 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1376 PR tree-optimization/34618
1377 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1380 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1383 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1384 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1385 Update copyright year.
1387 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1388 Update copyright year.
1389 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1392 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1394 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1395 edge does not point to current bb before changing need_assert.
1397 2008-01-04 Richard Guenther <rguenther@suse.de>
1400 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1401 for verifying purposes if they are is_gimple_min_invariant.
1403 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1405 PR tree-optimization/34448
1406 PR tree-optimization/34465
1407 * gimplify.c (gimplify_init_constructor): Add new parameter
1408 notify_temp_creation. Use it.
1409 (gimplify_modify_expr_rhs): Take volatiles into account when
1410 optimizing constructors.
1411 Do not optimize constructors if gimplify_init_constructor will dump to
1413 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1414 * gcc.c-torture/compile/pr34448.c: New.
1416 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1418 PR gcov-profile/34609
1419 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1420 return_slot if result is TREE_ADDRESSABLE.
1422 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1424 * config/mips/mips.md (sqrt_condition): Tweak comment.
1425 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1427 2008-01-03 Tom Tromey <tromey@redhat.com>
1430 * c-common.c (c_type_hash): Handle VLAs.
1432 2008-01-03 Jan Hubicka <jh@suse.cz>
1434 PR tree-optimization/31081
1435 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1436 0 when inlining and not inlining to first basic block.
1437 (remap_decl): When var is initialized to 0, don't set default_def.
1438 (expand_call_inline): Set entry_bb.
1439 * tree-inline.h (copy_body_data): Add entry_bb.
1441 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1444 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1447 PR tree-optimization/29484
1448 * tree-inline.c (inline_forbidden_p_2): New function.
1449 (inline_forbidden_p): Disallow inlining if some static var
1450 has an address of a local LABEL_DECL in its initializer.
1451 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1454 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1456 PR tree-optimization/34635
1457 * tree-data-ref.c (add_other_self_distances): Make sure that the
1458 evolution step is constant.
1460 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1463 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1465 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1467 * tree-sra.c (scalarize_init): Insert the generate_element_init
1468 statements after the generate_element_zero statements.
1470 2008-01-02 Richard Guenther <rguenther@suse.de>
1474 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1475 for very large number of operands instead of ICEing.
1477 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1480 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1481 while stack probing.
1483 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1485 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1488 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1491 * tree-mudflap.c (mx_register_decls): Guard warning by
1492 !DECL_ARTIFICIAL check.
1494 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1496 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1497 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1498 sse5_perm<mode>): Fix constraints.