1 2008-01-31 Tom Browder <tom.browder@gmail.com>
2 Gerald Pfeifer <gerald@pfeifer.com>
4 * doc/sourcebuild.texi (Front End): Remove references to CVS
6 (Texinfo Manuals): Replace reference to CVS by one to SVN.
7 (Back End): Remove reference to CVS.
9 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
12 * config/mips/mips.c (gen_load_const_gp): New function, taking a
14 (mips16_gp_pseudo_reg): ...here.
15 * config/mips/mips.md (load_const_gp): Replace with...
16 (load_const_gp_<mode>): ...this :P-based insn.
18 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
20 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
22 (-std): Move reference to standards closer to where language
23 standards are first mentioned.
25 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
27 PR rtl-optimization/34995
28 * reload.c (alternative_allows_const_pool_ref): Take an rtx
29 parameter and return a bool. If the rtx parameter is nonnull,
30 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
31 (find_reloads): Update call accordingly. Pass the new operand
32 if it needed no address reloads, otherwise pass null.
34 2008-01-30 Richard Henderson <rth@redhat.com>
37 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
40 2008-01-30 Silvius Rus <rus@google.com>
42 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
44 2008-01-30 Jan Hubicka <jh@suse.cz>
47 * i386.c (init_cumulative_args): Use real function declaration when
50 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
52 PR rtl-optimization/34998
53 * global.c (build_insn_chain): Treat non-subreg_lowpart
54 SUBREGs of pseudos as clobbering all the words covered by the
55 SUBREG, not just all the bytes.
56 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
57 original df_ref rather than an extract parameter.
58 (global_conflicts): Update call accordingly.
60 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
62 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
63 the overflow check to make it easier to read.
64 (__fixtfdi): Change the type of the ll member in union
65 long_double to UDItype_x.
67 2008-01-30 Jakub Jelinek <jakub@redhat.com>
70 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
71 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
72 * tree-inline.c (fold_marked_statements): Call
73 cgraph_update_edges_for_call_stmt if folding a call statement.
74 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
75 debug_generic_stmt calls, reset it back afterwards.
78 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
80 * c-typeck.c (build_external_ref): Don't pedwarn about
81 static vars in current function's scope.
83 2008-01-29 Joseph Myers <joseph@codesourcery.com>
85 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
87 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
90 * ipa-struct-reorg.c: Fix spelling.
93 2008-01-29 Richard Guenther <rguenther@suse.de>
96 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
98 * tree-inline.c (remap_type): Increment remapping_type_depth
99 around remapping types.
100 (copy_body_r): Only add referenced variables if they are referenced
101 from code, not types.
103 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
114 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
115 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
117 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
120 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
121 pointer for tiny stack.
123 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
125 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
127 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
129 * config/vx-common.h: Fix typo in comment.
131 2008-01-28 Ian Lance Taylor <iant@google.com>
135 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
136 coalesce pointers if they have different DECL_NO_TBAA_P values.
137 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
138 between variables with different DECL_NO_TBAA_P values.
140 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
143 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
144 are not legitimate small data references on SPE targets.
146 2008-01-28 David Daney <ddaney@avtrex.com>
148 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
150 2008-01-28 David Daney <ddaney@avtrex.com>
152 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
154 2008-01-27 Joseph Myers <joseph@codesourcery.com>
156 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
157 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
158 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
159 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
160 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
161 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
162 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
163 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
165 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
167 * basic-block.h (condjump_equiv_p): Fix comment.
169 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
171 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
172 print_generic_stmt_indented): Fix comment.
174 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
176 * configure.ac (__stack_chk_fail): Add detecion for availability
177 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
178 * configure: Regenerate.
180 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
183 * final.c (output_addr_const): Handle TRUNCATE.
185 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
188 * tree-ssa-loop-ivopts.c (comp_cost): New type.
189 (zero_cost, infinite_cost): New constants.
190 (struct cost_pair): Change type of cost to comp_cost.
191 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
192 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
194 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
195 split_address_cost, ptr_difference_cost, difference_cost,
196 get_computation_cost_at, get_computation_cost,
197 determine_use_iv_cost_generic, determine_use_iv_cost_address,
198 determine_use_iv_cost_condition, determine_use_iv_costs,
199 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
200 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
201 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
202 Change type of cost to comp_cost.
203 (determine_iv_cost): Increase cost of non-original ivs, instead
204 of decreasing the cost of original ones.
205 (get_address_cost): Indicate the complexity of the addressing mode
207 (try_add_cand_for): Prefer using ivs not specific to some object.
208 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
210 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
211 Janis Johnson <janis187@us.ibm.com>
214 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
215 (TARGET_INSTANTIATE_DECLS): Likewise.
216 * target.h (expand_to_rtl_hook): New target hook.
217 (instantiate_decls): Likewise.
218 * function.c (instantiate_decl): Make non-static. Rename to...
219 (instantiate_decl_rtl): ... this.
220 (instantiate_expr): Use instantiate_decl_rtl.
221 (instantiate_decls_1): Likewise.
222 (instantiate_decls): Likewise.
223 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
224 * function.h (instantiate_decl_rtl): Add prototype.
225 * cfgexpand.c (target.h): New include.
226 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
227 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
228 (TARGET_INSTANTIATE_DECLS): Likewise.
229 (TARGET_INITIALIZER): New target hooks added.
230 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
232 * config/rs6000/rs6000.c (tree-flow.h): New include.
233 (machine_function): Add sdmode_stack_slot field.
234 (rs6000_alloc_sdmode_stack_slot): New function.
235 (rs6000_instantiate_decls): Likewise.
236 (rs6000_secondary_memory_needed_rtx): Likewise.
237 (rs6000_check_sdmode): Likewise.
238 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
239 (TARGET_INSTANTIATE_DECLS): Likewise.
240 (rs6000_hard_regno_mode_ok): Allow SDmode.
241 (num_insns_constant): Likewise. Handle _Decimal32 constants.
242 (rs6000_emit_move): Handle SDmode.
243 (function_arg_advance): Likewise.
244 (function_arg): Likewise.
245 (rs6000_gimplify_va_arg): Likewise. Add special handling of
246 SDmode var args for 32-bit compiles.
247 (rs6000_secondary_reload_class): Handle SDmode.
248 (rs6000_output_function_epilogue): Likewise.
249 (rs6000_function_value): Simplify if statement.
250 (rs6000_libcall_value): Likewise.
251 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
252 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
253 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
254 (movsd_hardfloat): New define_insn.
255 (movsd_softfloat): Likewise.
256 (movsd_store): Likewise.
257 (movsd_load): Likewise.
258 (extendsddd2): Likewise.
259 (extendsdtd2): Likewise.
260 (truncddsd2): Likewise.
261 (movdd_hardfloat64): Fixup comment.
262 (UNSPEC_MOVSD_LOAD): New constant.
263 (UNSPEC_MOVSD_STORE): Likewise.
265 2008-01-26 Jakub Jelinek <jakub@redhat.com>
268 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
270 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
271 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
272 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
275 2008-01-26 David Edelsohn <edelsohn@gnu.org>
278 * config.gcc: Separate AIX 5.3 from AIX 6.1.
279 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
281 * config/rs6000/aix61.h: New file.
283 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
285 PR rtl-optimization/34959
286 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
287 popcount and parity rtxes the same mode as their operand.
288 Truncate or extend the result to the return value's mode
291 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
294 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
295 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
296 to GOT_VERSION_REGNUM.
297 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
298 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
299 * config/mips/mips.c (mips_emit_call_insn): New function.
300 (mips_call_tls_get_addr): Call mips_expand_call directly.
301 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
303 (mips16_build_call_stub): Likewise. Return the call insn or null.
304 (mips_expand_call): Update the call to mips16_build_call_stub
305 accordingly and a remove redundant condition. Assert that MIPS16
306 stubs do not use lazy binding. Use mips_emit_call_insn and return
308 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
310 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
311 (mips_avoid_hazard): Remove hazard_set handling.
312 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
313 (UNSPEC_RESTORE_GP): ...this.
314 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
315 (FAKE_CALL_REGNO): Rename to...
316 (GOT_VERSION_REGNUM): ...this.
317 (type): Add "ghost" value. Add an associated insn reservation.
318 (hazard_set): Remove.
319 (exception_receiver): Rename to...
320 (restore_gp): ...this and update the unspec identifier accordingly.
321 (exception_receiver, nonlocal_got_receiver): New expanders.
322 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
323 FAKE_CALL_REGNO. Remove hazard_set attribute.
324 (set_got_version, update_got_version): New patterns.
326 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
329 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
331 2008-01-25 Joseph Myers <joseph@codesourcery.com>
334 * doc/install.texi2html: Generate gcc-vers.texi.
336 2008-01-25 DJ Delorie <dj@redhat.com>
338 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
340 2008-01-25 Joseph Myers <joseph@codesourcery.com>
342 * config/c4x: Remove directory.
343 * config.gcc (crx-*, mt-*): Mark obsolete.
344 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
345 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
346 sh-*-rtemscoff*): Remove cases.
347 * defaults.h (C4X_FLOAT_FORMAT): Remove.
348 * real.c (encode_c4x_single, decode_c4x_single,
349 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
350 c4x_extended_format): Remove.
351 * real.h (c4x_single_format, c4x_extended_format): Remove.
352 * doc/extend.texi (interrupt, naked): Remove mention of attributes
354 (Pragmas): Remove comment about c4x pragmas.
355 * doc/install.texi (c4x): Remove target-specific instructions.
356 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
357 * doc/md.texi (Machine Constraints): Remove C4x documentation.
358 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
359 refer to C4x source files as examples.
360 (C4X_FLOAT_FORMAT): Remove documentation.
362 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
364 * config/bfin/bfin.c (override_options): Reorder tests so that
365 flag_pic gets enabled for -msep-data.
367 2008-01-25 Richard Guenther <rguenther@suse.de>
370 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
371 to its bitfield precision if required.
373 2008-01-25 Jakub Jelinek <jakub@redhat.com>
376 * tree-nested.c (walk_omp_for): New function.
377 (convert_nonlocal_reference, convert_local_reference): Call
378 walk_omp_for on OMP_FOR.
379 (convert_call_expr): Call walk_body on OMP_FOR's
380 OMP_FOR_PRE_INIT_BODY.
382 2008-01-25 Richard Guenther <rguenther@suse.de>
384 PR tree-optimization/34966
385 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
386 default defs and PHI_NODEs we have to insert after the
389 2008-01-24 Nick Clifton <nickc@redhat.com>
391 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
392 Provide a default definition.
393 (LIBGCC2_UNITS_PER_WORD): Likewise.
395 * config/stormy16/stormy16.c: Include df.h for the prototype
396 for df_regs_ever_live_p.
397 (xstormy16_expand_builtin_va_start): Convert the stack offset
398 into a component_ref and then use POINTER_PLUS_EXPR to add it
399 to the incoming_virtual_args_rtx.
400 (xstormy16_gimplify_va_arg_expr): Rename to
401 xstormy16_gimplify_va_arg_expr.
402 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
403 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
404 xstormy16_gimplify_va_arg_expr.
405 Fix up some formatting issues.
407 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
408 Move to predicates.md.
409 (xs_hi_general_operand): Likewise.
410 (xs_hi_nonmemory_operand): Likewise.
411 * config/stormy16/predicates.md:
412 (xstormy16_carry_plus_operand): New predicate.
413 (xs_hi_general_operand): New predicate.
414 (xs_hi_nonmemory_operand): New predicate.
415 * config/stormy16/stormy16-protos.h:
416 (xstormy16_carry_plus_operand): Delete prototype.
417 (xs_hi_general_operand): Likewise.
418 (xs_hi_nonmemory_operand): Likewise.
420 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
421 modifiers as they are no longer needed and they can trigger
422 reload spill failures.
424 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
425 with a match_operand in order to help reload.
427 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
428 constraint with 'e' for the 8th alternative as this version of
429 the mov.w instruction only accepts the lower 8 registers.
431 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
434 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
435 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
438 2008-01-25 Jakub Jelinek <jakub@redhat.com>
441 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
443 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
445 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
447 (remove_structure): Update allocations list before removing structure.
449 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
451 * ipa-struct-reorg.c (is_safe_cond_expr,
452 create_new_stmts_for_cond_expr): Use integer_zerop function,
453 that recognize not only zero-pointer, but zero-integer too.
455 2008-01-25 Ben Elliston <bje@au.ibm.com>
458 * fixproto: Escape "." in sed expression that strips leading "./".
460 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
463 * gcc.c (SWITCH_OK): Removed.
464 (SWITCH_LIVE): Changed to bit.
465 (SWITCH_FALSE): Likewise.
466 (SWITCH_IGNORE): Likewise.
467 (switchstr): Change live_cond to unsigned int.
468 (process_command): Replace SWITCH_OK with 0.
469 (do_self_spec): Likewise.
470 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
471 (give_switch): Likewise.
472 (used_arg): Likewise.
473 (do_spec_1): Set the SWITCH_IGNORE bit.
474 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
475 bits. Set the SWITCH_LIVE bit.
477 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
479 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
481 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
483 PR tree-optimization/34472
484 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
485 parameter to a "bool *" and set *DATA to false if there is
486 an unsafe access. Do not delete the structure here.
487 (check_cond_exprs): Delete it here instead.
488 (check_cond_exprs, exclude_cold_structs): Do not increase
489 I when removing a structure.
491 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
494 * config/i386/i386.c (ix86_expand_vector_init): Consider only
495 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
497 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
500 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
501 a fixed vector for stack.
503 2008-01-24 Ben Elliston <bje@au.ibm.com>
506 * doc/gcc.texi (Software development): Add a direntry for g++.
508 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
510 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
511 stale and straggling -fforce-addr comments above.
513 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
515 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
516 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
518 2008-01-23 Michael Matz <matz@suse.de>
521 * dwarf2out.c (force_type_die): Use modified_type_die instead of
524 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
526 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
529 2008-01-23 Anatoly Sokolov <aesok@post.ru>
531 * config/avr/avr.c (avr_current_arch): New variable.
532 (avr_arch_types): Add 'avr31' and 'avr51' entries.
533 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
534 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
535 (avr_override_options): Init 'avr_current_arch'.
536 (base_arch_s): Move from here...
537 * config/avr/avr.h (base_arch_s): ... here. Add new members
538 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
539 'mega' to 'have_jmp_call'.
540 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
541 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
543 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
545 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
546 MULTILIB_MATCHES): (Ditto.).
548 2008-01-23 Richard Guenther <rguenther@suse.de>
551 * cgraphunit.c (cgraph_reset_node): Always mark the node
552 not reachable if it is not queued already.
554 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
556 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
557 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
558 (cputype_selected): New static variable.
559 (bfin_handle_option): Set it if -mcpu is used.
560 (override_option): Select default set of workarounds if no cpu type
561 selected on the command line.
562 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
564 From Michael Frysinger <michael.frysinger@analog.com>
565 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
566 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
568 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
569 for bf547, bf523, bf524, and bf526.
570 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
572 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
573 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
574 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
575 __ADSPBF547__ and __ADSPBF54x__ for bf547.
576 * doc/invoke.texi (Blackfin Options): Document that
577 -mcpu now accept bf547, bf523, bf524, and bf526.
579 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
581 PR rtl-optimization/34628
582 * combine.c (try_combine): Stop and undo after the first combination
583 if an autoincrement side-effect on the first insn has effectively
586 2008-01-22 David Edelsohn <edelsohn@gnu.org>
589 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
590 Offset addresses are not valid for Altivec or paired float modes.
592 2008-01-22 Jakub Jelinek <jakub@redhat.com>
595 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
596 if DECL_INITIAL (decl) is error_mark_node.
599 * c-common.c (handle_vector_size_attribute): Only allow
600 integral, scalar float and fixed point types. Handle OFFSET_TYPE
601 the same way as pointer, array etc. types.
602 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
605 * tree.c (build_type_attribute_qual_variant): Call
606 build_qualified_type if attributes are equal, but quals are not.
608 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
611 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
612 * flags.h (warn_strict_aliasing): Remove.
613 (warn_strict_overflow): Remove.
614 * opts.c (warn_strict_aliasing): Remove.
615 (warn_strict_overflow): Remove.
616 * c-opts.c (c_common_handle_option): -Wall only sets
617 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
618 (c_common_post_options): Give default values to -Wstrict-aliasing
619 and -Wstrict-overflow if they are uninitialized.
620 * common.opt (Wstrict-aliasing): Specify Var and Init.
621 (Wstrict-overflow): Likewise.
623 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
625 PR rtl-optimization/26854
626 PR rtl-optimization/34400
627 PR rtl-optimization/34884
628 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
630 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
631 (df_rd_bb_info.expanded_lr_out): Deleted
632 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
633 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
634 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
635 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
636 Removed code to allocate, initialize or free expanded_lr_out.
637 (df_rd_bb_local_compute_process_def): Restructured to make more
639 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
640 sets if the sets are being trimmed.
642 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
645 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
647 * configure: Regenerated.
649 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
652 * tree-pass.h (pass_build_alias): New pass.
653 * tree-ssa-alias.c (gate_build_alias): New.
654 (pass_build_alias): New.
655 * passes.c (init_optimization_passes): Add pass_build_alias after
656 pass_create_structure_vars.
658 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
660 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
661 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
662 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
663 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
664 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
665 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
666 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
667 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
668 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
669 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
670 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
671 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
672 * config/s390/s390.md (FP_ALL): New mode iterator.
673 (_d): New mode attribute.
674 ("*signbit<mode>2>"): Changed mode of first operand.
675 ("isinf<mode>2"): Changed mode of first operand.
676 ("*TDC_insn"): Adaptation for DFP modes.
678 2008-01-22 Ben Elliston <bje@au.ibm.com>
680 * tree.c (check_qualified_type): Improve function description.
682 2008-01-21 Jason Merrill <jason@redhat.com>
685 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
686 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
689 2008-01-21 DJ Delorie <dj@redhat.com>
691 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
694 2008-01-21 Richard Guenther <rguenther@suse.de>
697 * tree-cfg.c (verify_expr): Allow all invariant expressions
698 instead of just constant class ones as reference argument.
699 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
700 like any other constant.
701 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
703 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
705 * regmove.c (fixup_match_1): Update call crossed frequencies.
707 2008-01-21 Richard Guenther <rguenther@suse.de>
710 * tree-inline.c (setup_one_parameter): Deal with mismatched
711 types using a VIEW_CONVERT_EXPR.
713 2008-01-21 Alon Dayan <alond@il.ibm.com>
714 Olga Golovanevsky <olga@il.ibm.com>
716 PR tree-optimization/34701
717 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
718 when the structure size is not a power of 2.
720 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
722 * doc/install.texi: Add doc for --enable-checking=df.
724 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
726 PR rtl-optimization/34808
727 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
729 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
731 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
734 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
736 PR rtl-optimization/26854
737 PR rtl-optimization/34400
738 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
740 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
741 (df_rd_bb_info.expanded_lr_out): New.
742 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
743 * loop_iv.c (iv_analysis_loop_init): Ditto.
744 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
745 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
746 Added code to allocate, initialize or free expanded_lr_out.
747 (df_rd_bb_local_compute_process_def): Restructured to make
749 (df_rd_confluence_n): Add code to do nothing with fake edges and
750 code to no apply invalidate_by_call sets if the sets are being trimmed.
751 (df_lr_local_finalize): Renamed to df_lr_finalize.
752 (df_live_local_finalize): Renamed to df_live_finalize.
754 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
757 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
758 deciding whether to use reciprocal instructions.
760 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
762 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
763 dwarf2out_note_section_used if cold_text_section is NULL.
765 2008-01-19 Jakub Jelinek <jakub@redhat.com>
767 PR gcov-profile/34610
768 * tree-cfg.c (make_edges): Mark both outgoing edges from
769 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
770 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
771 from OMP_FOR and OMP_CONTINUE outgoing edges.
773 * tree-profile.c (tree_profiling): Return early if
774 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
776 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
777 from cfun to child_cfun.
778 * function.h (struct function): Add after_tree_profile bit.
780 2008-01-19 Anatoly Sokolov <aesok@post.ru>
782 * config/avr/avr.S (_exit): Disable interrupt.
784 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
785 Steven Bosscher <stevenb.gcc@gmail.com>
787 PR rtl-optimization/26854
788 PR rtl-optimization/34400
789 * df-problems.c (df_live_scratch): New scratch bitmap.
790 (df_live_alloc): Allocate df_live_scratch when doing df_live.
791 (df_live_reset): Clear the proper bitmaps.
792 (df_live_bb_local_compute): Only process the artificial defs once
793 since the order is not important.
794 (df_live_init): Init the df_live sets only with the variables
796 (df_live_transfer_function): Use the df_lr sets to prune the
797 df_live sets as they are being computed.
798 (df_live_free): Free df_live_scratch.
800 2008-01-18 Ian Lance Taylor <iant@google.com>
802 * common.opt: Add fmerge-debug-strings.
803 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
804 flag_merge_debug_strings rather than flag_merge_constants.
805 * doc/invoke.texi (Option Summary): Mention
806 -fmerge-debug-strings.
807 (Debugging Options): Document -fmerge-debug-strings.
809 2008-01-18 Ian Lance Taylor <iant@google.com>
812 * tree.h (DECL_IS_OPERATOR_NEW): Define.
813 (struct tree_function_decl): Add new field operator_new_flag.
814 * tree-inline.c (expand_call_inline): When inlining a call to
815 operator new, force the return value to go into a variable, and
816 set DECL_NO_TBAA_P on that variable.
817 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
819 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
822 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
823 DWARF2_DEBUGGING_INFO.
824 (dwarf2out_note_section_used): Ditto. Add prototype.
825 (have_multiple_function_sections, text_section_used,
826 cold_text_section_used, *cold_text_sections): Move declarations
829 2008-01-17 Bob Wilson <bob.wilson@acm.org>
831 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
832 field and add signal_ra.
833 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
834 assignments to frame state pc. Move end of stack check after
835 MD_FALLBACK_FRAME_STATE_FOR.
836 (uw_update_context_1): Use frame state signal_regs if set, instead
837 of checking signal_frame flag.
838 (uw_update_context): Use frame state signal_ra if set.
839 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
840 * config/xtensa/linux-unwind.h: New file.
842 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
844 * modulo-sched.c (get_sched_window): Fix comment typo.
846 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
848 PR tree-optimization/34648
849 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
851 2008-01-17 Anatoly Sokolov <aesok@post.ru>
853 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
854 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
856 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
858 PR rtl-optimization/34400
859 * df-core.c (df_worklist_dataflow_overeager,
860 df_worklist_dataflow_doublequeue): New functions.
861 (df_worklist_dataflow): Two different worklist solvers.
862 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
865 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
868 * doc/invoke.texi: Document the dependence on pthread for fopenmp
869 and ftree-parallelize-loops.
871 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
873 PR rtl-optimization/34826
874 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
876 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
878 * global.c (find_reg): Mark the eh regs as used if necessary.
879 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
880 * ra.h (struct allocno): no_eh_reg field added. Changed
881 no_stack_reg type to bitfield.
883 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
885 * tree.c (substitute_in_expr): Add missing 'break'.
887 2008-01-17 Richard Guenther <rguenther@suse.de>
889 PR tree-optimization/34825
890 * tree-ssa-math-opts.c (is_division_by): Do not recognize
891 x / x as division to handle.
893 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
895 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
896 "-pthread" is specified.
897 * pa-hpux11.h (LIB_SPEC): Likewise.
899 2008-01-16 Janis Johnson <janis187@us.ibm.com>
900 Peter Bergner <bergner@vnet.ibm.com>
902 PR rtl-optimization/33796
903 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
905 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
908 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
910 * pa-hpux10.h (LINK_SPEC): Likewise.
911 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
913 2008-01-16 Richard Guenther <rguenther@suse.de>
916 * fold-const.c (fold_convert_const_int_from_int): Do not
917 set overflow if that occured only because of a sign extension
918 change when converting from/to a sizetype with the same
919 precision and signedness.
921 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
924 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
925 location address to the correct place. Update copyright year.
927 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
929 * lambda-code.c (lambda_transform_legal_p): Handle the case of
930 no dependences in the dependence_relations vector.
932 2008-01-16 Jan Hubicka <jh@suse.cz>
934 PR rtl-optimization/31396
935 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
936 * cfg.c (dump_reg_info): Print it.
937 * regs.h (struct reg_info_t): add freq_calls_crossed.
938 (REG_FREQ_CALLS_CROSSED): New macro.
939 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
940 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
941 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
942 regmove_optimize): Update call crossed frequencies.
943 * local-alloc.c (struct qty): Add freq_calls_crossed.
944 (alloc_qty): Copute freq_calls_crossed.
945 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
946 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
947 * ra.h (struct allocno): Add freq_calls_crossed.
949 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
951 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
952 libgomp when compiling with ftree-parallelize-loops.
953 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
955 2008-01-16 Richard Guenther <rguenther@suse.de>
957 PR tree-optimization/34769
958 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
959 * tree.c (int_cst_value): Instead make this function more
960 permissive in what it accepts as valid input. Document this
961 function always sign-extends the value.
963 2008-01-16 Jakub Jelinek <jakub@redhat.com>
964 Richard Guenther <rguenther@suse.de>
967 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
968 (gimple_fold_indirect_ref_rhs): ... this.
969 (gimple_fold_indirect_ref): New function with foldings
970 that preserve lvalueness.
971 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
972 * tree-flow.h (gimple_fold_indirect_ref): Declare.
973 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
974 to fold an INDIRECT_REF, fall back to the old use of
977 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
979 * tree-data-ref.c (subscript_dependence_tester_1): Call
980 free_conflict_function.
981 (compute_self_dependence): Same.
983 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
986 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
987 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
989 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
990 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
991 for DWARF2_UNWIND_INFO targets.
993 2008-01-16 Richard Guenther <rguenther@suse.de>
996 * c-typeck.c (common_pointer_type): Do not merge inconsistent
997 type qualifiers for function types.
999 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1001 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1002 loop_iterator li from previous commit.
1004 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1006 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1008 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1010 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1011 (parallelize_loops): Don't parallelize irreducible components.
1013 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1016 * c-opts (c_common_post_options): Do not enable CPP
1017 flag_pedantic_errors by default.
1019 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1021 PR rtl-optimization/31944
1022 * cse.c (remove_pseudo_from_table): New function.
1023 (merge_equiv_classes): Use above function to remove pseudo-registers.
1024 (invalidate): Likewise.
1026 2008-01-13 Richard Guenther <rguenther@suse.de>
1029 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1030 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1032 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1034 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1035 validate_change to unshare the source of the PC set.
1037 2008-01-12 Jan Hubicka <jh@suse.cz>
1040 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1041 references above array bounds. This might trigger bounds checks for
1044 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1046 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1047 new_replaceable_dependencies.
1049 2008-01-12 Doug Kwan <dougkwan@google.com>
1051 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1052 instead of OPT_Wreturn_type in warning due to ignored return type
1054 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1055 options included in -Wextra.
1056 * c.opt: New option -Wignored_qualifiers.
1057 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1058 -Wignore_qualifiers.
1059 (-Wignored-qualifiers): Document.
1060 (-Wreturn-type): Remove description of functionality now handled
1061 by -Wignored-qualifiers.
1063 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1066 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1067 NOP_EXPR if it is between integral types with the same precision.
1069 2008-01-12 Jan Hubicka <jh@suse.cz>
1072 * invoke.texi (max-inline-recursive-depth): Fix default value.
1074 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1076 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1079 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1081 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1083 2008-01-11 James E. Wilson <wilson@specifix.com>
1086 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1088 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1090 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1091 save/restore frame pointer register and don't use 'call-prologues'
1092 optimization in function with "OS_task" attribute.
1094 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1097 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1098 when copying to memory.
1100 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1102 PR rtl-optimization/30905
1103 * cfgcleanup.c: Include dce.h
1104 (crossjumps_occured): New global variable.
1105 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1106 If something changed, set crossjumps_occured to true.
1107 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1108 Don't add/remove fake edges to exit here...
1109 (cleanup_cfg): ...but do it here, when crossjumping.
1110 Run a fast DCE when successful crossjumps occured in the latest
1111 iteration of try_optimize_cfg.
1113 2008-01-11 Richard Guenther <rguenther@suse.de>
1115 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1116 (struct vn_unary_op_s): Likewise.
1117 (vn_reference_insert): Free old reference on hash collision.
1119 2008-01-10 Raksit Ashok <raksit@google.com>
1121 PR rtl-optimization/27971
1122 * combine.c (find_split_point): Split PLUS expressions which are
1123 inside a MEM rtx, and whose first operand is complex.
1125 2008-01-10 DJ Delorie <dj@redhat.com>
1127 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1128 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1129 (m32c_hard_regno_ok): Call the underlying function.
1131 2008-01-10 Richard Guenther <rguenther@suse.de>
1134 * tree-cfg.c (tree_merge_blocks): Do not go through the
1135 full-blown folding and stmt updating path if we just deal
1136 with virtual operands.
1137 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1138 test for abnormal SSA_NAMEs.
1140 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1143 * reload.c (push_reload): Add assertions. All constants from
1144 reg_equiv_constant should have been used for replacing the respective
1146 (find_reloads_address): Invoke find_reloads_address_part for
1147 constant taken from the reg_equiv_constant array.
1149 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1151 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1152 field (valnum) the first in the struct. Replace bools with
1155 2008-01-10 Richard Guenther <rguenther@suse.de>
1157 PR tree-optimization/34651
1158 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1159 types and ordering for masking and converting.
1161 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1163 PR tree-optimization/34017
1164 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1165 also for PHI_NODE expressions.
1167 2008-01-09 Jan Hubicka <jh@suse.cz>
1169 PR tree-optimization/34708
1170 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1171 based on number of case labels.
1172 (init_inline_once): Remove switch_cost.
1173 * tree-inline.h (eni_weights_d): Remove switch_cost.
1175 2008-01-09 Richard Guenther <rguenther@suse.de>
1176 Andrew Pinski <andrew_pinski@playstation.sony.com>
1179 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1180 temporary if an rvalue is ok or an lvalue is not required.
1182 2008-01-09 Richard Guenther <rguenther@suse.de>
1185 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1188 2008-01-09 Richard Guenther <rguenther@suse.de>
1191 * tree.c (host_integerp): Check for sizetype only if the
1192 type is an integer type.
1194 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1197 * opts.c (decode_options): Disable inlining of functions called
1198 once if not in unit-at-a-time mode.
1200 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1202 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1204 2008-01-08 Richard Guenther <rguenther@suse.de>
1207 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1208 out early if the result will be unused.
1210 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1215 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1216 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1219 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1221 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1222 for vectorization tuned.
1224 2008-01-08 Richard Guenther <rguenther@suse.de>
1226 PR tree-optimization/34683
1227 * tree-ssa-operands.c (operand_build_cmp): Export.
1228 * tree-ssa-operands.h (operand_build_cmp): Declare.
1229 * tree-vn.c (vuses_compare): Remove.
1230 (sort_vuses): Use operand_build_cmp.
1231 (sort_vuses_heap): Likewise.
1232 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1233 to re-use old VEC if available. Do not sort already sorted VUSEs.
1234 (vdefs_to_vec): Do not sort already sorted VDEFs.
1236 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1239 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1241 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1244 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1245 limitations of reciprocal sequences on x86 targets.
1247 2008-01-08 Richard Guenther <rguenther@suse.de>
1249 PR tree-optimization/34683
1250 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1252 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1255 * config/darwin.c (darwin_mergeable_string_section): Don't use
1256 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1258 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1261 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1262 negxf2. Macroize expander using X87MODEF mode iterator. Change
1263 predicates of op0 and op1 to register_operand.
1264 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1265 expander using X87MODEF mode iterator. Change predicates of
1266 op0 and op1 to register_operand.
1267 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1268 corresponding patterns and macroize using MODEF macro. Change
1269 predicates of op0 and op1 to register_operand and remove
1270 "m" constraint. Disparage "r" alternative with "!".
1271 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1272 macroize using X87MODEF macro. Change predicates of op0 and op1
1273 to register_operand and remove "m" constraint. Disparage "r"
1274 alternative with "!".
1275 (absneg splitter with memory operands): Remove.
1276 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1277 patterns and macroize using X87MODEF mode iterator.
1278 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1279 Change predicate of op1 to register_operand.
1280 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1281 for memory operands.
1283 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1285 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1287 2008-01-07 Richard Guenther <rguenther@suse.de>
1289 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1292 2008-01-07 Richard Guenther <rguenther@suse.de>
1294 PR tree-optimization/34683
1295 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1296 VOPs of the needed size to save memory. Use VEC_quick_push
1297 to save compile-time.
1298 (vdefs_to_vec): Likewise.
1300 2008-01-07 Sa Liu <saliu@de.ibm.com>
1302 * config/spu/spu.md (divdf3): Genetate inline code for double
1303 division. The implementation doesn't handle INF or NAN, therefore it
1304 only applies when -ffinite-math-only is given.
1306 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1309 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1310 * doc/cpp.texi ([Common Predefined Macros]): Document.
1312 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1314 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1315 order to use commutative addition instead of subtraction.
1317 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1318 Mircea Namolaru <namolaru@il.ibm.com>
1319 Vladimir Yanovsky <yanov@il.ibm.com>
1320 Revital Eres <eres@il.ibm.com>
1322 PR tree-optimization/34263
1323 * tree-outof-ssa.c (process_single_block_loop_latch,
1324 contains_tree_r): New functions.
1325 (analyze_edges_for_bb): Call process_single_block_loop_latch
1326 function to empty single-basic-block latch block if possible.
1328 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1330 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1332 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1334 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1336 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1338 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1340 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1342 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1344 PR tree-optimization/34618
1345 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1348 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1351 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1352 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1353 Update copyright year.
1355 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1356 Update copyright year.
1357 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1360 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1362 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1363 edge does not point to current bb before changing need_assert.
1365 2008-01-04 Richard Guenther <rguenther@suse.de>
1368 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1369 for verifying purposes if they are is_gimple_min_invariant.
1371 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1373 PR tree-optimization/34448
1374 PR tree-optimization/34465
1375 * gimplify.c (gimplify_init_constructor): Add new parameter
1376 notify_temp_creation. Use it.
1377 (gimplify_modify_expr_rhs): Take volatiles into account when
1378 optimizing constructors.
1379 Do not optimize constructors if gimplify_init_constructor will dump to
1381 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1382 * gcc.c-torture/compile/pr34448.c: New.
1384 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1386 PR gcov-profile/34609
1387 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1388 return_slot if result is TREE_ADDRESSABLE.
1390 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1392 * config/mips/mips.md (sqrt_condition): Tweak comment.
1393 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1395 2008-01-03 Tom Tromey <tromey@redhat.com>
1398 * c-common.c (c_type_hash): Handle VLAs.
1400 2008-01-03 Jan Hubicka <jh@suse.cz>
1402 PR tree-optimization/31081
1403 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1404 0 when inlining and not inlining to first basic block.
1405 (remap_decl): When var is initialized to 0, don't set default_def.
1406 (expand_call_inline): Set entry_bb.
1407 * tree-inline.h (copy_body_data): Add entry_bb.
1409 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1412 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1415 PR tree-optimization/29484
1416 * tree-inline.c (inline_forbidden_p_2): New function.
1417 (inline_forbidden_p): Disallow inlining if some static var
1418 has an address of a local LABEL_DECL in its initializer.
1419 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1422 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1424 PR tree-optimization/34635
1425 * tree-data-ref.c (add_other_self_distances): Make sure that the
1426 evolution step is constant.
1428 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1431 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1433 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1435 * tree-sra.c (scalarize_init): Insert the generate_element_init
1436 statements after the generate_element_zero statements.
1438 2008-01-02 Richard Guenther <rguenther@suse.de>
1442 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1443 for very large number of operands instead of ICEing.
1445 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1448 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1449 while stack probing.
1451 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1453 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1456 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1459 * tree-mudflap.c (mx_register_decls): Guard warning by
1460 !DECL_ARTIFICIAL check.
1462 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1464 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1465 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1466 sse5_perm<mode>): Fix constraints.