1 2008-01-31 Tom Browder <tom.browder@gmail.com>
3 * doc/c-tree.texi (Types): Fix grammar.
4 (Expression trees): Ditto.
5 * doc/passes.texi (Tree-SSA passes): Ditto.
7 * doc/configterms.texi (Configure Terms): Fix typo.
8 * doc/cpp.texi (Common Predefined Macros): Ditto.
9 * doc/md.texi (Machine Constraints): Ditto.
11 * doc/makefile.texi (Makefile): Add comma.
13 2008-01-31 Tom Browder <tom.browder@gmail.com>
14 Gerald Pfeifer <gerald@pfeifer.com>
16 * doc/sourcebuild.texi (Front End): Remove references to CVS
18 (Texinfo Manuals): Replace reference to CVS by one to SVN.
19 (Back End): Remove reference to CVS.
21 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
24 * config/mips/mips.c (gen_load_const_gp): New function, taking a
26 (mips16_gp_pseudo_reg): ...here.
27 * config/mips/mips.md (load_const_gp): Replace with...
28 (load_const_gp_<mode>): ...this :P-based insn.
30 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
32 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
34 (-std): Move reference to standards closer to where language
35 standards are first mentioned.
37 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
39 PR rtl-optimization/34995
40 * reload.c (alternative_allows_const_pool_ref): Take an rtx
41 parameter and return a bool. If the rtx parameter is nonnull,
42 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
43 (find_reloads): Update call accordingly. Pass the new operand
44 if it needed no address reloads, otherwise pass null.
46 2008-01-30 Richard Henderson <rth@redhat.com>
49 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
52 2008-01-30 Silvius Rus <rus@google.com>
54 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
56 2008-01-30 Jan Hubicka <jh@suse.cz>
59 * i386.c (init_cumulative_args): Use real function declaration when
62 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
64 PR rtl-optimization/34998
65 * global.c (build_insn_chain): Treat non-subreg_lowpart
66 SUBREGs of pseudos as clobbering all the words covered by the
67 SUBREG, not just all the bytes.
68 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
69 original df_ref rather than an extract parameter.
70 (global_conflicts): Update call accordingly.
72 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
74 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
75 the overflow check to make it easier to read.
76 (__fixtfdi): Change the type of the ll member in union
77 long_double to UDItype_x.
79 2008-01-30 Jakub Jelinek <jakub@redhat.com>
82 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
83 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
84 * tree-inline.c (fold_marked_statements): Call
85 cgraph_update_edges_for_call_stmt if folding a call statement.
86 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
87 debug_generic_stmt calls, reset it back afterwards.
90 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
92 * c-typeck.c (build_external_ref): Don't pedwarn about
93 static vars in current function's scope.
95 2008-01-29 Joseph Myers <joseph@codesourcery.com>
97 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
99 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
102 * ipa-struct-reorg.c: Fix spelling.
105 2008-01-29 Richard Guenther <rguenther@suse.de>
108 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
110 * tree-inline.c (remap_type): Increment remapping_type_depth
111 around remapping types.
112 (copy_body_r): Only add referenced variables if they are referenced
113 from code, not types.
115 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
126 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
127 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
129 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
132 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
133 pointer for tiny stack.
135 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
137 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
139 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
141 * config/vx-common.h: Fix typo in comment.
143 2008-01-28 Ian Lance Taylor <iant@google.com>
147 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
148 coalesce pointers if they have different DECL_NO_TBAA_P values.
149 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
150 between variables with different DECL_NO_TBAA_P values.
152 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
155 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
156 are not legitimate small data references on SPE targets.
158 2008-01-28 David Daney <ddaney@avtrex.com>
160 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
162 2008-01-28 David Daney <ddaney@avtrex.com>
164 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
166 2008-01-27 Joseph Myers <joseph@codesourcery.com>
168 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
169 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
170 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
171 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
172 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
173 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
174 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
175 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
177 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
179 * basic-block.h (condjump_equiv_p): Fix comment.
181 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
183 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
184 print_generic_stmt_indented): Fix comment.
186 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
188 * configure.ac (__stack_chk_fail): Add detecion for availability
189 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
190 * configure: Regenerate.
192 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
195 * final.c (output_addr_const): Handle TRUNCATE.
197 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
200 * tree-ssa-loop-ivopts.c (comp_cost): New type.
201 (zero_cost, infinite_cost): New constants.
202 (struct cost_pair): Change type of cost to comp_cost.
203 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
204 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
206 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
207 split_address_cost, ptr_difference_cost, difference_cost,
208 get_computation_cost_at, get_computation_cost,
209 determine_use_iv_cost_generic, determine_use_iv_cost_address,
210 determine_use_iv_cost_condition, determine_use_iv_costs,
211 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
212 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
213 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
214 Change type of cost to comp_cost.
215 (determine_iv_cost): Increase cost of non-original ivs, instead
216 of decreasing the cost of original ones.
217 (get_address_cost): Indicate the complexity of the addressing mode
219 (try_add_cand_for): Prefer using ivs not specific to some object.
220 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
222 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
223 Janis Johnson <janis187@us.ibm.com>
226 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
227 (TARGET_INSTANTIATE_DECLS): Likewise.
228 * target.h (expand_to_rtl_hook): New target hook.
229 (instantiate_decls): Likewise.
230 * function.c (instantiate_decl): Make non-static. Rename to...
231 (instantiate_decl_rtl): ... this.
232 (instantiate_expr): Use instantiate_decl_rtl.
233 (instantiate_decls_1): Likewise.
234 (instantiate_decls): Likewise.
235 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
236 * function.h (instantiate_decl_rtl): Add prototype.
237 * cfgexpand.c (target.h): New include.
238 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
239 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
240 (TARGET_INSTANTIATE_DECLS): Likewise.
241 (TARGET_INITIALIZER): New target hooks added.
242 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
244 * config/rs6000/rs6000.c (tree-flow.h): New include.
245 (machine_function): Add sdmode_stack_slot field.
246 (rs6000_alloc_sdmode_stack_slot): New function.
247 (rs6000_instantiate_decls): Likewise.
248 (rs6000_secondary_memory_needed_rtx): Likewise.
249 (rs6000_check_sdmode): Likewise.
250 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
251 (TARGET_INSTANTIATE_DECLS): Likewise.
252 (rs6000_hard_regno_mode_ok): Allow SDmode.
253 (num_insns_constant): Likewise. Handle _Decimal32 constants.
254 (rs6000_emit_move): Handle SDmode.
255 (function_arg_advance): Likewise.
256 (function_arg): Likewise.
257 (rs6000_gimplify_va_arg): Likewise. Add special handling of
258 SDmode var args for 32-bit compiles.
259 (rs6000_secondary_reload_class): Handle SDmode.
260 (rs6000_output_function_epilogue): Likewise.
261 (rs6000_function_value): Simplify if statement.
262 (rs6000_libcall_value): Likewise.
263 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
264 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
265 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
266 (movsd_hardfloat): New define_insn.
267 (movsd_softfloat): Likewise.
268 (movsd_store): Likewise.
269 (movsd_load): Likewise.
270 (extendsddd2): Likewise.
271 (extendsdtd2): Likewise.
272 (truncddsd2): Likewise.
273 (movdd_hardfloat64): Fixup comment.
274 (UNSPEC_MOVSD_LOAD): New constant.
275 (UNSPEC_MOVSD_STORE): Likewise.
277 2008-01-26 Jakub Jelinek <jakub@redhat.com>
280 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
282 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
283 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
284 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
287 2008-01-26 David Edelsohn <edelsohn@gnu.org>
290 * config.gcc: Separate AIX 5.3 from AIX 6.1.
291 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
293 * config/rs6000/aix61.h: New file.
295 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
297 PR rtl-optimization/34959
298 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
299 popcount and parity rtxes the same mode as their operand.
300 Truncate or extend the result to the return value's mode
303 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
306 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
307 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
308 to GOT_VERSION_REGNUM.
309 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
310 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
311 * config/mips/mips.c (mips_emit_call_insn): New function.
312 (mips_call_tls_get_addr): Call mips_expand_call directly.
313 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
315 (mips16_build_call_stub): Likewise. Return the call insn or null.
316 (mips_expand_call): Update the call to mips16_build_call_stub
317 accordingly and a remove redundant condition. Assert that MIPS16
318 stubs do not use lazy binding. Use mips_emit_call_insn and return
320 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
322 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
323 (mips_avoid_hazard): Remove hazard_set handling.
324 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
325 (UNSPEC_RESTORE_GP): ...this.
326 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
327 (FAKE_CALL_REGNO): Rename to...
328 (GOT_VERSION_REGNUM): ...this.
329 (type): Add "ghost" value. Add an associated insn reservation.
330 (hazard_set): Remove.
331 (exception_receiver): Rename to...
332 (restore_gp): ...this and update the unspec identifier accordingly.
333 (exception_receiver, nonlocal_got_receiver): New expanders.
334 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
335 FAKE_CALL_REGNO. Remove hazard_set attribute.
336 (set_got_version, update_got_version): New patterns.
338 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
341 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
343 2008-01-25 Joseph Myers <joseph@codesourcery.com>
346 * doc/install.texi2html: Generate gcc-vers.texi.
348 2008-01-25 DJ Delorie <dj@redhat.com>
350 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
352 2008-01-25 Joseph Myers <joseph@codesourcery.com>
354 * config/c4x: Remove directory.
355 * config.gcc (crx-*, mt-*): Mark obsolete.
356 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
357 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
358 sh-*-rtemscoff*): Remove cases.
359 * defaults.h (C4X_FLOAT_FORMAT): Remove.
360 * real.c (encode_c4x_single, decode_c4x_single,
361 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
362 c4x_extended_format): Remove.
363 * real.h (c4x_single_format, c4x_extended_format): Remove.
364 * doc/extend.texi (interrupt, naked): Remove mention of attributes
366 (Pragmas): Remove comment about c4x pragmas.
367 * doc/install.texi (c4x): Remove target-specific instructions.
368 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
369 * doc/md.texi (Machine Constraints): Remove C4x documentation.
370 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
371 refer to C4x source files as examples.
372 (C4X_FLOAT_FORMAT): Remove documentation.
374 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
376 * config/bfin/bfin.c (override_options): Reorder tests so that
377 flag_pic gets enabled for -msep-data.
379 2008-01-25 Richard Guenther <rguenther@suse.de>
382 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
383 to its bitfield precision if required.
385 2008-01-25 Jakub Jelinek <jakub@redhat.com>
388 * tree-nested.c (walk_omp_for): New function.
389 (convert_nonlocal_reference, convert_local_reference): Call
390 walk_omp_for on OMP_FOR.
391 (convert_call_expr): Call walk_body on OMP_FOR's
392 OMP_FOR_PRE_INIT_BODY.
394 2008-01-25 Richard Guenther <rguenther@suse.de>
396 PR tree-optimization/34966
397 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
398 default defs and PHI_NODEs we have to insert after the
401 2008-01-24 Nick Clifton <nickc@redhat.com>
403 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
404 Provide a default definition.
405 (LIBGCC2_UNITS_PER_WORD): Likewise.
407 * config/stormy16/stormy16.c: Include df.h for the prototype
408 for df_regs_ever_live_p.
409 (xstormy16_expand_builtin_va_start): Convert the stack offset
410 into a component_ref and then use POINTER_PLUS_EXPR to add it
411 to the incoming_virtual_args_rtx.
412 (xstormy16_gimplify_va_arg_expr): Rename to
413 xstormy16_gimplify_va_arg_expr.
414 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
415 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
416 xstormy16_gimplify_va_arg_expr.
417 Fix up some formatting issues.
419 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
420 Move to predicates.md.
421 (xs_hi_general_operand): Likewise.
422 (xs_hi_nonmemory_operand): Likewise.
423 * config/stormy16/predicates.md:
424 (xstormy16_carry_plus_operand): New predicate.
425 (xs_hi_general_operand): New predicate.
426 (xs_hi_nonmemory_operand): New predicate.
427 * config/stormy16/stormy16-protos.h:
428 (xstormy16_carry_plus_operand): Delete prototype.
429 (xs_hi_general_operand): Likewise.
430 (xs_hi_nonmemory_operand): Likewise.
432 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
433 modifiers as they are no longer needed and they can trigger
434 reload spill failures.
436 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
437 with a match_operand in order to help reload.
439 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
440 constraint with 'e' for the 8th alternative as this version of
441 the mov.w instruction only accepts the lower 8 registers.
443 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
446 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
447 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
450 2008-01-25 Jakub Jelinek <jakub@redhat.com>
453 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
455 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
457 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
459 (remove_structure): Update allocations list before removing structure.
461 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
463 * ipa-struct-reorg.c (is_safe_cond_expr,
464 create_new_stmts_for_cond_expr): Use integer_zerop function,
465 that recognize not only zero-pointer, but zero-integer too.
467 2008-01-25 Ben Elliston <bje@au.ibm.com>
470 * fixproto: Escape "." in sed expression that strips leading "./".
472 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
475 * gcc.c (SWITCH_OK): Removed.
476 (SWITCH_LIVE): Changed to bit.
477 (SWITCH_FALSE): Likewise.
478 (SWITCH_IGNORE): Likewise.
479 (switchstr): Change live_cond to unsigned int.
480 (process_command): Replace SWITCH_OK with 0.
481 (do_self_spec): Likewise.
482 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
483 (give_switch): Likewise.
484 (used_arg): Likewise.
485 (do_spec_1): Set the SWITCH_IGNORE bit.
486 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
487 bits. Set the SWITCH_LIVE bit.
489 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
491 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
493 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
495 PR tree-optimization/34472
496 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
497 parameter to a "bool *" and set *DATA to false if there is
498 an unsafe access. Do not delete the structure here.
499 (check_cond_exprs): Delete it here instead.
500 (check_cond_exprs, exclude_cold_structs): Do not increase
501 I when removing a structure.
503 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
506 * config/i386/i386.c (ix86_expand_vector_init): Consider only
507 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
509 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
512 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
513 a fixed vector for stack.
515 2008-01-24 Ben Elliston <bje@au.ibm.com>
518 * doc/gcc.texi (Software development): Add a direntry for g++.
520 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
522 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
523 stale and straggling -fforce-addr comments above.
525 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
527 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
528 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
530 2008-01-23 Michael Matz <matz@suse.de>
533 * dwarf2out.c (force_type_die): Use modified_type_die instead of
536 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
538 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
541 2008-01-23 Anatoly Sokolov <aesok@post.ru>
543 * config/avr/avr.c (avr_current_arch): New variable.
544 (avr_arch_types): Add 'avr31' and 'avr51' entries.
545 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
546 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
547 (avr_override_options): Init 'avr_current_arch'.
548 (base_arch_s): Move from here...
549 * config/avr/avr.h (base_arch_s): ... here. Add new members
550 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
551 'mega' to 'have_jmp_call'.
552 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
553 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
555 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
557 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
558 MULTILIB_MATCHES): (Ditto.).
560 2008-01-23 Richard Guenther <rguenther@suse.de>
563 * cgraphunit.c (cgraph_reset_node): Always mark the node
564 not reachable if it is not queued already.
566 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
568 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
569 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
570 (cputype_selected): New static variable.
571 (bfin_handle_option): Set it if -mcpu is used.
572 (override_option): Select default set of workarounds if no cpu type
573 selected on the command line.
574 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
576 From Michael Frysinger <michael.frysinger@analog.com>
577 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
578 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
580 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
581 for bf547, bf523, bf524, and bf526.
582 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
584 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
585 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
586 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
587 __ADSPBF547__ and __ADSPBF54x__ for bf547.
588 * doc/invoke.texi (Blackfin Options): Document that
589 -mcpu now accept bf547, bf523, bf524, and bf526.
591 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
593 PR rtl-optimization/34628
594 * combine.c (try_combine): Stop and undo after the first combination
595 if an autoincrement side-effect on the first insn has effectively
598 2008-01-22 David Edelsohn <edelsohn@gnu.org>
601 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
602 Offset addresses are not valid for Altivec or paired float modes.
604 2008-01-22 Jakub Jelinek <jakub@redhat.com>
607 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
608 if DECL_INITIAL (decl) is error_mark_node.
611 * c-common.c (handle_vector_size_attribute): Only allow
612 integral, scalar float and fixed point types. Handle OFFSET_TYPE
613 the same way as pointer, array etc. types.
614 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
617 * tree.c (build_type_attribute_qual_variant): Call
618 build_qualified_type if attributes are equal, but quals are not.
620 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
623 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
624 * flags.h (warn_strict_aliasing): Remove.
625 (warn_strict_overflow): Remove.
626 * opts.c (warn_strict_aliasing): Remove.
627 (warn_strict_overflow): Remove.
628 * c-opts.c (c_common_handle_option): -Wall only sets
629 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
630 (c_common_post_options): Give default values to -Wstrict-aliasing
631 and -Wstrict-overflow if they are uninitialized.
632 * common.opt (Wstrict-aliasing): Specify Var and Init.
633 (Wstrict-overflow): Likewise.
635 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
637 PR rtl-optimization/26854
638 PR rtl-optimization/34400
639 PR rtl-optimization/34884
640 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
642 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
643 (df_rd_bb_info.expanded_lr_out): Deleted
644 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
645 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
646 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
647 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
648 Removed code to allocate, initialize or free expanded_lr_out.
649 (df_rd_bb_local_compute_process_def): Restructured to make more
651 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
652 sets if the sets are being trimmed.
654 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
657 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
659 * configure: Regenerated.
661 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
664 * tree-pass.h (pass_build_alias): New pass.
665 * tree-ssa-alias.c (gate_build_alias): New.
666 (pass_build_alias): New.
667 * passes.c (init_optimization_passes): Add pass_build_alias after
668 pass_create_structure_vars.
670 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
672 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
673 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
674 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
675 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
676 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
677 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
678 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
679 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
680 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
681 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
682 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
683 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
684 * config/s390/s390.md (FP_ALL): New mode iterator.
685 (_d): New mode attribute.
686 ("*signbit<mode>2>"): Changed mode of first operand.
687 ("isinf<mode>2"): Changed mode of first operand.
688 ("*TDC_insn"): Adaptation for DFP modes.
690 2008-01-22 Ben Elliston <bje@au.ibm.com>
692 * tree.c (check_qualified_type): Improve function description.
694 2008-01-21 Jason Merrill <jason@redhat.com>
697 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
698 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
701 2008-01-21 DJ Delorie <dj@redhat.com>
703 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
706 2008-01-21 Richard Guenther <rguenther@suse.de>
709 * tree-cfg.c (verify_expr): Allow all invariant expressions
710 instead of just constant class ones as reference argument.
711 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
712 like any other constant.
713 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
715 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
717 * regmove.c (fixup_match_1): Update call crossed frequencies.
719 2008-01-21 Richard Guenther <rguenther@suse.de>
722 * tree-inline.c (setup_one_parameter): Deal with mismatched
723 types using a VIEW_CONVERT_EXPR.
725 2008-01-21 Alon Dayan <alond@il.ibm.com>
726 Olga Golovanevsky <olga@il.ibm.com>
728 PR tree-optimization/34701
729 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
730 when the structure size is not a power of 2.
732 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
734 * doc/install.texi: Add doc for --enable-checking=df.
736 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
738 PR rtl-optimization/34808
739 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
741 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
743 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
746 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
748 PR rtl-optimization/26854
749 PR rtl-optimization/34400
750 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
752 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
753 (df_rd_bb_info.expanded_lr_out): New.
754 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
755 * loop_iv.c (iv_analysis_loop_init): Ditto.
756 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
757 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
758 Added code to allocate, initialize or free expanded_lr_out.
759 (df_rd_bb_local_compute_process_def): Restructured to make
761 (df_rd_confluence_n): Add code to do nothing with fake edges and
762 code to no apply invalidate_by_call sets if the sets are being trimmed.
763 (df_lr_local_finalize): Renamed to df_lr_finalize.
764 (df_live_local_finalize): Renamed to df_live_finalize.
766 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
769 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
770 deciding whether to use reciprocal instructions.
772 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
774 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
775 dwarf2out_note_section_used if cold_text_section is NULL.
777 2008-01-19 Jakub Jelinek <jakub@redhat.com>
779 PR gcov-profile/34610
780 * tree-cfg.c (make_edges): Mark both outgoing edges from
781 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
782 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
783 from OMP_FOR and OMP_CONTINUE outgoing edges.
785 * tree-profile.c (tree_profiling): Return early if
786 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
788 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
789 from cfun to child_cfun.
790 * function.h (struct function): Add after_tree_profile bit.
792 2008-01-19 Anatoly Sokolov <aesok@post.ru>
794 * config/avr/avr.S (_exit): Disable interrupt.
796 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
797 Steven Bosscher <stevenb.gcc@gmail.com>
799 PR rtl-optimization/26854
800 PR rtl-optimization/34400
801 * df-problems.c (df_live_scratch): New scratch bitmap.
802 (df_live_alloc): Allocate df_live_scratch when doing df_live.
803 (df_live_reset): Clear the proper bitmaps.
804 (df_live_bb_local_compute): Only process the artificial defs once
805 since the order is not important.
806 (df_live_init): Init the df_live sets only with the variables
808 (df_live_transfer_function): Use the df_lr sets to prune the
809 df_live sets as they are being computed.
810 (df_live_free): Free df_live_scratch.
812 2008-01-18 Ian Lance Taylor <iant@google.com>
814 * common.opt: Add fmerge-debug-strings.
815 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
816 flag_merge_debug_strings rather than flag_merge_constants.
817 * doc/invoke.texi (Option Summary): Mention
818 -fmerge-debug-strings.
819 (Debugging Options): Document -fmerge-debug-strings.
821 2008-01-18 Ian Lance Taylor <iant@google.com>
824 * tree.h (DECL_IS_OPERATOR_NEW): Define.
825 (struct tree_function_decl): Add new field operator_new_flag.
826 * tree-inline.c (expand_call_inline): When inlining a call to
827 operator new, force the return value to go into a variable, and
828 set DECL_NO_TBAA_P on that variable.
829 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
831 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
834 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
835 DWARF2_DEBUGGING_INFO.
836 (dwarf2out_note_section_used): Ditto. Add prototype.
837 (have_multiple_function_sections, text_section_used,
838 cold_text_section_used, *cold_text_sections): Move declarations
841 2008-01-17 Bob Wilson <bob.wilson@acm.org>
843 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
844 field and add signal_ra.
845 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
846 assignments to frame state pc. Move end of stack check after
847 MD_FALLBACK_FRAME_STATE_FOR.
848 (uw_update_context_1): Use frame state signal_regs if set, instead
849 of checking signal_frame flag.
850 (uw_update_context): Use frame state signal_ra if set.
851 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
852 * config/xtensa/linux-unwind.h: New file.
854 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
856 * modulo-sched.c (get_sched_window): Fix comment typo.
858 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
860 PR tree-optimization/34648
861 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
863 2008-01-17 Anatoly Sokolov <aesok@post.ru>
865 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
866 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
868 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
870 PR rtl-optimization/34400
871 * df-core.c (df_worklist_dataflow_overeager,
872 df_worklist_dataflow_doublequeue): New functions.
873 (df_worklist_dataflow): Two different worklist solvers.
874 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
877 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
880 * doc/invoke.texi: Document the dependence on pthread for fopenmp
881 and ftree-parallelize-loops.
883 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
885 PR rtl-optimization/34826
886 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
888 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
890 * global.c (find_reg): Mark the eh regs as used if necessary.
891 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
892 * ra.h (struct allocno): no_eh_reg field added. Changed
893 no_stack_reg type to bitfield.
895 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
897 * tree.c (substitute_in_expr): Add missing 'break'.
899 2008-01-17 Richard Guenther <rguenther@suse.de>
901 PR tree-optimization/34825
902 * tree-ssa-math-opts.c (is_division_by): Do not recognize
903 x / x as division to handle.
905 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
907 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
908 "-pthread" is specified.
909 * pa-hpux11.h (LIB_SPEC): Likewise.
911 2008-01-16 Janis Johnson <janis187@us.ibm.com>
912 Peter Bergner <bergner@vnet.ibm.com>
914 PR rtl-optimization/33796
915 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
917 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
920 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
922 * pa-hpux10.h (LINK_SPEC): Likewise.
923 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
925 2008-01-16 Richard Guenther <rguenther@suse.de>
928 * fold-const.c (fold_convert_const_int_from_int): Do not
929 set overflow if that occured only because of a sign extension
930 change when converting from/to a sizetype with the same
931 precision and signedness.
933 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
936 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
937 location address to the correct place. Update copyright year.
939 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
941 * lambda-code.c (lambda_transform_legal_p): Handle the case of
942 no dependences in the dependence_relations vector.
944 2008-01-16 Jan Hubicka <jh@suse.cz>
946 PR rtl-optimization/31396
947 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
948 * cfg.c (dump_reg_info): Print it.
949 * regs.h (struct reg_info_t): add freq_calls_crossed.
950 (REG_FREQ_CALLS_CROSSED): New macro.
951 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
952 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
953 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
954 regmove_optimize): Update call crossed frequencies.
955 * local-alloc.c (struct qty): Add freq_calls_crossed.
956 (alloc_qty): Copute freq_calls_crossed.
957 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
958 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
959 * ra.h (struct allocno): Add freq_calls_crossed.
961 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
963 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
964 libgomp when compiling with ftree-parallelize-loops.
965 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
967 2008-01-16 Richard Guenther <rguenther@suse.de>
969 PR tree-optimization/34769
970 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
971 * tree.c (int_cst_value): Instead make this function more
972 permissive in what it accepts as valid input. Document this
973 function always sign-extends the value.
975 2008-01-16 Jakub Jelinek <jakub@redhat.com>
976 Richard Guenther <rguenther@suse.de>
979 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
980 (gimple_fold_indirect_ref_rhs): ... this.
981 (gimple_fold_indirect_ref): New function with foldings
982 that preserve lvalueness.
983 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
984 * tree-flow.h (gimple_fold_indirect_ref): Declare.
985 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
986 to fold an INDIRECT_REF, fall back to the old use of
989 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
991 * tree-data-ref.c (subscript_dependence_tester_1): Call
992 free_conflict_function.
993 (compute_self_dependence): Same.
995 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
998 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
999 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1001 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1002 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1003 for DWARF2_UNWIND_INFO targets.
1005 2008-01-16 Richard Guenther <rguenther@suse.de>
1008 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1009 type qualifiers for function types.
1011 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1013 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1014 loop_iterator li from previous commit.
1016 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1018 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1020 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1022 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1023 (parallelize_loops): Don't parallelize irreducible components.
1025 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1028 * c-opts (c_common_post_options): Do not enable CPP
1029 flag_pedantic_errors by default.
1031 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1033 PR rtl-optimization/31944
1034 * cse.c (remove_pseudo_from_table): New function.
1035 (merge_equiv_classes): Use above function to remove pseudo-registers.
1036 (invalidate): Likewise.
1038 2008-01-13 Richard Guenther <rguenther@suse.de>
1041 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1042 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1044 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1046 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1047 validate_change to unshare the source of the PC set.
1049 2008-01-12 Jan Hubicka <jh@suse.cz>
1052 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1053 references above array bounds. This might trigger bounds checks for
1056 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1058 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1059 new_replaceable_dependencies.
1061 2008-01-12 Doug Kwan <dougkwan@google.com>
1063 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1064 instead of OPT_Wreturn_type in warning due to ignored return type
1066 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1067 options included in -Wextra.
1068 * c.opt: New option -Wignored_qualifiers.
1069 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1070 -Wignore_qualifiers.
1071 (-Wignored-qualifiers): Document.
1072 (-Wreturn-type): Remove description of functionality now handled
1073 by -Wignored-qualifiers.
1075 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1078 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1079 NOP_EXPR if it is between integral types with the same precision.
1081 2008-01-12 Jan Hubicka <jh@suse.cz>
1084 * invoke.texi (max-inline-recursive-depth): Fix default value.
1086 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1088 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1091 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1093 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1095 2008-01-11 James E. Wilson <wilson@specifix.com>
1098 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1100 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1102 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1103 save/restore frame pointer register and don't use 'call-prologues'
1104 optimization in function with "OS_task" attribute.
1106 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1109 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1110 when copying to memory.
1112 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1114 PR rtl-optimization/30905
1115 * cfgcleanup.c: Include dce.h
1116 (crossjumps_occured): New global variable.
1117 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1118 If something changed, set crossjumps_occured to true.
1119 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1120 Don't add/remove fake edges to exit here...
1121 (cleanup_cfg): ...but do it here, when crossjumping.
1122 Run a fast DCE when successful crossjumps occured in the latest
1123 iteration of try_optimize_cfg.
1125 2008-01-11 Richard Guenther <rguenther@suse.de>
1127 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1128 (struct vn_unary_op_s): Likewise.
1129 (vn_reference_insert): Free old reference on hash collision.
1131 2008-01-10 Raksit Ashok <raksit@google.com>
1133 PR rtl-optimization/27971
1134 * combine.c (find_split_point): Split PLUS expressions which are
1135 inside a MEM rtx, and whose first operand is complex.
1137 2008-01-10 DJ Delorie <dj@redhat.com>
1139 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1140 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1141 (m32c_hard_regno_ok): Call the underlying function.
1143 2008-01-10 Richard Guenther <rguenther@suse.de>
1146 * tree-cfg.c (tree_merge_blocks): Do not go through the
1147 full-blown folding and stmt updating path if we just deal
1148 with virtual operands.
1149 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1150 test for abnormal SSA_NAMEs.
1152 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1155 * reload.c (push_reload): Add assertions. All constants from
1156 reg_equiv_constant should have been used for replacing the respective
1158 (find_reloads_address): Invoke find_reloads_address_part for
1159 constant taken from the reg_equiv_constant array.
1161 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1163 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1164 field (valnum) the first in the struct. Replace bools with
1167 2008-01-10 Richard Guenther <rguenther@suse.de>
1169 PR tree-optimization/34651
1170 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1171 types and ordering for masking and converting.
1173 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1175 PR tree-optimization/34017
1176 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1177 also for PHI_NODE expressions.
1179 2008-01-09 Jan Hubicka <jh@suse.cz>
1181 PR tree-optimization/34708
1182 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1183 based on number of case labels.
1184 (init_inline_once): Remove switch_cost.
1185 * tree-inline.h (eni_weights_d): Remove switch_cost.
1187 2008-01-09 Richard Guenther <rguenther@suse.de>
1188 Andrew Pinski <andrew_pinski@playstation.sony.com>
1191 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1192 temporary if an rvalue is ok or an lvalue is not required.
1194 2008-01-09 Richard Guenther <rguenther@suse.de>
1197 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1200 2008-01-09 Richard Guenther <rguenther@suse.de>
1203 * tree.c (host_integerp): Check for sizetype only if the
1204 type is an integer type.
1206 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1209 * opts.c (decode_options): Disable inlining of functions called
1210 once if not in unit-at-a-time mode.
1212 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1214 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1216 2008-01-08 Richard Guenther <rguenther@suse.de>
1219 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1220 out early if the result will be unused.
1222 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1227 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1228 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1231 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1233 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1234 for vectorization tuned.
1236 2008-01-08 Richard Guenther <rguenther@suse.de>
1238 PR tree-optimization/34683
1239 * tree-ssa-operands.c (operand_build_cmp): Export.
1240 * tree-ssa-operands.h (operand_build_cmp): Declare.
1241 * tree-vn.c (vuses_compare): Remove.
1242 (sort_vuses): Use operand_build_cmp.
1243 (sort_vuses_heap): Likewise.
1244 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1245 to re-use old VEC if available. Do not sort already sorted VUSEs.
1246 (vdefs_to_vec): Do not sort already sorted VDEFs.
1248 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1251 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1253 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1256 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1257 limitations of reciprocal sequences on x86 targets.
1259 2008-01-08 Richard Guenther <rguenther@suse.de>
1261 PR tree-optimization/34683
1262 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1264 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1267 * config/darwin.c (darwin_mergeable_string_section): Don't use
1268 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1270 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1273 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1274 negxf2. Macroize expander using X87MODEF mode iterator. Change
1275 predicates of op0 and op1 to register_operand.
1276 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1277 expander using X87MODEF mode iterator. Change predicates of
1278 op0 and op1 to register_operand.
1279 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1280 corresponding patterns and macroize using MODEF macro. Change
1281 predicates of op0 and op1 to register_operand and remove
1282 "m" constraint. Disparage "r" alternative with "!".
1283 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1284 macroize using X87MODEF macro. Change predicates of op0 and op1
1285 to register_operand and remove "m" constraint. Disparage "r"
1286 alternative with "!".
1287 (absneg splitter with memory operands): Remove.
1288 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1289 patterns and macroize using X87MODEF mode iterator.
1290 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1291 Change predicate of op1 to register_operand.
1292 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1293 for memory operands.
1295 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1297 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1299 2008-01-07 Richard Guenther <rguenther@suse.de>
1301 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1304 2008-01-07 Richard Guenther <rguenther@suse.de>
1306 PR tree-optimization/34683
1307 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1308 VOPs of the needed size to save memory. Use VEC_quick_push
1309 to save compile-time.
1310 (vdefs_to_vec): Likewise.
1312 2008-01-07 Sa Liu <saliu@de.ibm.com>
1314 * config/spu/spu.md (divdf3): Genetate inline code for double
1315 division. The implementation doesn't handle INF or NAN, therefore it
1316 only applies when -ffinite-math-only is given.
1318 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1321 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1322 * doc/cpp.texi ([Common Predefined Macros]): Document.
1324 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1326 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1327 order to use commutative addition instead of subtraction.
1329 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1330 Mircea Namolaru <namolaru@il.ibm.com>
1331 Vladimir Yanovsky <yanov@il.ibm.com>
1332 Revital Eres <eres@il.ibm.com>
1334 PR tree-optimization/34263
1335 * tree-outof-ssa.c (process_single_block_loop_latch,
1336 contains_tree_r): New functions.
1337 (analyze_edges_for_bb): Call process_single_block_loop_latch
1338 function to empty single-basic-block latch block if possible.
1340 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1342 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1344 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1346 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1348 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1350 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1352 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1354 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1356 PR tree-optimization/34618
1357 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1360 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1363 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1364 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1365 Update copyright year.
1367 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1368 Update copyright year.
1369 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1372 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1374 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1375 edge does not point to current bb before changing need_assert.
1377 2008-01-04 Richard Guenther <rguenther@suse.de>
1380 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1381 for verifying purposes if they are is_gimple_min_invariant.
1383 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1385 PR tree-optimization/34448
1386 PR tree-optimization/34465
1387 * gimplify.c (gimplify_init_constructor): Add new parameter
1388 notify_temp_creation. Use it.
1389 (gimplify_modify_expr_rhs): Take volatiles into account when
1390 optimizing constructors.
1391 Do not optimize constructors if gimplify_init_constructor will dump to
1393 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1394 * gcc.c-torture/compile/pr34448.c: New.
1396 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1398 PR gcov-profile/34609
1399 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1400 return_slot if result is TREE_ADDRESSABLE.
1402 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1404 * config/mips/mips.md (sqrt_condition): Tweak comment.
1405 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1407 2008-01-03 Tom Tromey <tromey@redhat.com>
1410 * c-common.c (c_type_hash): Handle VLAs.
1412 2008-01-03 Jan Hubicka <jh@suse.cz>
1414 PR tree-optimization/31081
1415 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1416 0 when inlining and not inlining to first basic block.
1417 (remap_decl): When var is initialized to 0, don't set default_def.
1418 (expand_call_inline): Set entry_bb.
1419 * tree-inline.h (copy_body_data): Add entry_bb.
1421 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1424 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1427 PR tree-optimization/29484
1428 * tree-inline.c (inline_forbidden_p_2): New function.
1429 (inline_forbidden_p): Disallow inlining if some static var
1430 has an address of a local LABEL_DECL in its initializer.
1431 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1434 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1436 PR tree-optimization/34635
1437 * tree-data-ref.c (add_other_self_distances): Make sure that the
1438 evolution step is constant.
1440 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1443 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1445 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1447 * tree-sra.c (scalarize_init): Insert the generate_element_init
1448 statements after the generate_element_zero statements.
1450 2008-01-02 Richard Guenther <rguenther@suse.de>
1454 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1455 for very large number of operands instead of ICEing.
1457 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1460 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1461 while stack probing.
1463 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1465 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1468 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1471 * tree-mudflap.c (mx_register_decls): Guard warning by
1472 !DECL_ARTIFICIAL check.
1474 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1476 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1477 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1478 sse5_perm<mode>): Fix constraints.