1 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
4 * ipa-struct-reorg.c: Fix spelling.
7 2008-01-29 Richard Guenther <rguenther@suse.de>
10 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
12 * tree-inline.c (remap_type): Increment remapping_type_depth
13 around remapping types.
14 (copy_body_r): Only add referenced variables if they are referenced
17 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
28 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
29 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
31 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
34 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
35 pointer for tiny stack.
37 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
39 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
41 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
43 * config/vx-common.h: Fix typo in comment.
45 2008-01-28 Ian Lance Taylor <iant@google.com>
49 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
50 coalesce pointers if they have different DECL_NO_TBAA_P values.
51 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
52 between variables with different DECL_NO_TBAA_P values.
54 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
57 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
58 are not legitimate small data references on SPE targets.
60 2008-01-28 David Daney <ddaney@avtrex.com>
62 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
64 2008-01-28 David Daney <ddaney@avtrex.com>
66 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
68 2008-01-27 Joseph Myers <joseph@codesourcery.com>
70 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
71 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
72 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
73 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
74 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
75 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
76 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
77 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
79 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
81 * basic-block.h (condjump_equiv_p): Fix comment.
83 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
85 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
86 print_generic_stmt_indented): Fix comment.
88 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
90 * configure.ac (__stack_chk_fail): Add detecion for availability
91 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
92 * configure: Regenerate.
94 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
97 * final.c (output_addr_const): Handle TRUNCATE.
99 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
102 * tree-ssa-loop-ivopts.c (comp_cost): New type.
103 (zero_cost, infinite_cost): New constants.
104 (struct cost_pair): Change type of cost to comp_cost.
105 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
106 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
108 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
109 split_address_cost, ptr_difference_cost, difference_cost,
110 get_computation_cost_at, get_computation_cost,
111 determine_use_iv_cost_generic, determine_use_iv_cost_address,
112 determine_use_iv_cost_condition, determine_use_iv_costs,
113 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
114 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
115 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
116 Change type of cost to comp_cost.
117 (determine_iv_cost): Increase cost of non-original ivs, instead
118 of decreasing the cost of original ones.
119 (get_address_cost): Indicate the complexity of the addressing mode
121 (try_add_cand_for): Prefer using ivs not specific to some object.
122 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
124 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
125 Janis Johnson <janis187@us.ibm.com>
128 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
129 (TARGET_INSTANTIATE_DECLS): Likewise.
130 * target.h (expand_to_rtl_hook): New target hook.
131 (instantiate_decls): Likewise.
132 * function.c (instantiate_decl): Make non-static. Rename to...
133 (instantiate_decl_rtl): ... this.
134 (instantiate_expr): Use instantiate_decl_rtl.
135 (instantiate_decls_1): Likewise.
136 (instantiate_decls): Likewise.
137 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
138 * function.h (instantiate_decl_rtl): Add prototype.
139 * cfgexpand.c (target.h): New include.
140 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
141 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
142 (TARGET_INSTANTIATE_DECLS): Likewise.
143 (TARGET_INITIALIZER): New target hooks added.
144 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
146 * config/rs6000/rs6000.c (tree-flow.h): New include.
147 (machine_function): Add sdmode_stack_slot field.
148 (rs6000_alloc_sdmode_stack_slot): New function.
149 (rs6000_instantiate_decls): Likewise.
150 (rs6000_secondary_memory_needed_rtx): Likewise.
151 (rs6000_check_sdmode): Likewise.
152 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
153 (TARGET_INSTANTIATE_DECLS): Likewise.
154 (rs6000_hard_regno_mode_ok): Allow SDmode.
155 (num_insns_constant): Likewise. Handle _Decimal32 constants.
156 (rs6000_emit_move): Handle SDmode.
157 (function_arg_advance): Likewise.
158 (function_arg): Likewise.
159 (rs6000_gimplify_va_arg): Likewise. Add special handling of
160 SDmode var args for 32-bit compiles.
161 (rs6000_secondary_reload_class): Handle SDmode.
162 (rs6000_output_function_epilogue): Likewise.
163 (rs6000_function_value): Simplify if statement.
164 (rs6000_libcall_value): Likewise.
165 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
166 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
167 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
168 (movsd_hardfloat): New define_insn.
169 (movsd_softfloat): Likewise.
170 (movsd_store): Likewise.
171 (movsd_load): Likewise.
172 (extendsddd2): Likewise.
173 (extendsdtd2): Likewise.
174 (truncddsd2): Likewise.
175 (movdd_hardfloat64): Fixup comment.
176 (UNSPEC_MOVSD_LOAD): New constant.
177 (UNSPEC_MOVSD_STORE): Likewise.
179 2008-01-26 Jakub Jelinek <jakub@redhat.com>
182 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
184 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
185 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
186 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
189 2008-01-26 David Edelsohn <edelsohn@gnu.org>
192 * config.gcc: Separate AIX 5.3 from AIX 6.1.
193 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
195 * config/rs6000/aix61.h: New file.
197 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
199 PR rtl-optimization/34959
200 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
201 popcount and parity rtxes the same mode as their operand.
202 Truncate or extend the result to the return value's mode
205 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
208 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
209 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
210 to GOT_VERSION_REGNUM.
211 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
212 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
213 * config/mips/mips.c (mips_emit_call_insn): New function.
214 (mips_call_tls_get_addr): Call mips_expand_call directly.
215 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
217 (mips16_build_call_stub): Likewise. Return the call insn or null.
218 (mips_expand_call): Update the call to mips16_build_call_stub
219 accordingly and a remove redundant condition. Assert that MIPS16
220 stubs do not use lazy binding. Use mips_emit_call_insn and return
222 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
224 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
225 (mips_avoid_hazard): Remove hazard_set handling.
226 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
227 (UNSPEC_RESTORE_GP): ...this.
228 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
229 (FAKE_CALL_REGNO): Rename to...
230 (GOT_VERSION_REGNUM): ...this.
231 (type): Add "ghost" value. Add an associated insn reservation.
232 (hazard_set): Remove.
233 (exception_receiver): Rename to...
234 (restore_gp): ...this and update the unspec identifier accordingly.
235 (exception_receiver, nonlocal_got_receiver): New expanders.
236 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
237 FAKE_CALL_REGNO. Remove hazard_set attribute.
238 (set_got_version, update_got_version): New patterns.
240 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
243 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
245 2008-01-25 Joseph Myers <joseph@codesourcery.com>
248 * doc/install.texi2html: Generate gcc-vers.texi.
250 2008-01-25 DJ Delorie <dj@redhat.com>
252 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
254 2008-01-25 Joseph Myers <joseph@codesourcery.com>
256 * config/c4x: Remove directory.
257 * config.gcc (crx-*, mt-*): Mark obsolete.
258 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
259 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
260 sh-*-rtemscoff*): Remove cases.
261 * defaults.h (C4X_FLOAT_FORMAT): Remove.
262 * real.c (encode_c4x_single, decode_c4x_single,
263 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
264 c4x_extended_format): Remove.
265 * real.h (c4x_single_format, c4x_extended_format): Remove.
266 * doc/extend.texi (interrupt, naked): Remove mention of attributes
268 (Pragmas): Remove comment about c4x pragmas.
269 * doc/install.texi (c4x): Remove target-specific instructions.
270 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
271 * doc/md.texi (Machine Constraints): Remove C4x documentation.
272 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
273 refer to C4x source files as examples.
274 (C4X_FLOAT_FORMAT): Remove documentation.
276 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
278 * config/bfin/bfin.c (override_options): Reorder tests so that
279 flag_pic gets enabled for -msep-data.
281 2008-01-25 Richard Guenther <rguenther@suse.de>
284 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
285 to its bitfield precision if required.
287 2008-01-25 Jakub Jelinek <jakub@redhat.com>
290 * tree-nested.c (walk_omp_for): New function.
291 (convert_nonlocal_reference, convert_local_reference): Call
292 walk_omp_for on OMP_FOR.
293 (convert_call_expr): Call walk_body on OMP_FOR's
294 OMP_FOR_PRE_INIT_BODY.
296 2008-01-25 Richard Guenther <rguenther@suse.de>
298 PR tree-optimization/34966
299 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
300 default defs and PHI_NODEs we have to insert after the
303 2008-01-24 Nick Clifton <nickc@redhat.com>
305 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
306 Provide a default definition.
307 (LIBGCC2_UNITS_PER_WORD): Likewise.
309 * config/stormy16/stormy16.c: Include df.h for the prototype
310 for df_regs_ever_live_p.
311 (xstormy16_expand_builtin_va_start): Convert the stack offset
312 into a component_ref and then use POINTER_PLUS_EXPR to add it
313 to the incoming_virtual_args_rtx.
314 (xstormy16_gimplify_va_arg_expr): Rename to
315 xstormy16_gimplify_va_arg_expr.
316 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
317 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
318 xstormy16_gimplify_va_arg_expr.
319 Fix up some formatting issues.
321 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
322 Move to predicates.md.
323 (xs_hi_general_operand): Likewise.
324 (xs_hi_nonmemory_operand): Likewise.
325 * config/stormy16/predicates.md:
326 (xstormy16_carry_plus_operand): New predicate.
327 (xs_hi_general_operand): New predicate.
328 (xs_hi_nonmemory_operand): New predicate.
329 * config/stormy16/stormy16-protos.h:
330 (xstormy16_carry_plus_operand): Delete prototype.
331 (xs_hi_general_operand): Likewise.
332 (xs_hi_nonmemory_operand): Likewise.
334 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
335 modifiers as they are no longer needed and they can trigger
336 reload spill failures.
338 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
339 with a match_operand in order to help reload.
341 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
342 constraint with 'e' for the 8th alternative as this version of
343 the mov.w instruction only accepts the lower 8 registers.
345 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
348 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
349 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
352 2008-01-25 Jakub Jelinek <jakub@redhat.com>
355 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
357 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
359 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
361 (remove_structure): Update allocations list before removing structure.
363 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
365 * ipa-struct-reorg.c (is_safe_cond_expr,
366 create_new_stmts_for_cond_expr): Use integer_zerop function,
367 that recognize not only zero-pointer, but zero-integer too.
369 2008-01-25 Ben Elliston <bje@au.ibm.com>
372 * fixproto: Escape "." in sed expression that strips leading "./".
374 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
377 * gcc.c (SWITCH_OK): Removed.
378 (SWITCH_LIVE): Changed to bit.
379 (SWITCH_FALSE): Likewise.
380 (SWITCH_IGNORE): Likewise.
381 (switchstr): Change live_cond to unsigned int.
382 (process_command): Replace SWITCH_OK with 0.
383 (do_self_spec): Likewise.
384 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
385 (give_switch): Likewise.
386 (used_arg): Likewise.
387 (do_spec_1): Set the SWITCH_IGNORE bit.
388 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
389 bits. Set the SWITCH_LIVE bit.
391 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
393 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
395 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
397 PR tree-optimization/34472
398 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
399 parameter to a "bool *" and set *DATA to false if there is
400 an unsafe access. Do not delete the structure here.
401 (check_cond_exprs): Delete it here instead.
402 (check_cond_exprs, exclude_cold_structs): Do not increase
403 I when removing a structure.
405 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
408 * config/i386/i386.c (ix86_expand_vector_init): Consider only
409 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
411 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
414 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
415 a fixed vector for stack.
417 2008-01-24 Ben Elliston <bje@au.ibm.com>
420 * doc/gcc.texi (Software development): Add a direntry for g++.
422 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
424 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
425 stale and straggling -fforce-addr comments above.
427 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
429 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
430 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
432 2008-01-23 Michael Matz <matz@suse.de>
435 * dwarf2out.c (force_type_die): Use modified_type_die instead of
438 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
440 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
443 2008-01-23 Anatoly Sokolov <aesok@post.ru>
445 * config/avr/avr.c (avr_current_arch): New variable.
446 (avr_arch_types): Add 'avr31' and 'avr51' entries.
447 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
448 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
449 (avr_override_options): Init 'avr_current_arch'.
450 (base_arch_s): Move from here...
451 * config/avr/avr.h (base_arch_s): ... here. Add new members
452 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
453 'mega' to 'have_jmp_call'.
454 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
455 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
457 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
459 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
460 MULTILIB_MATCHES): (Ditto.).
462 2008-01-23 Richard Guenther <rguenther@suse.de>
465 * cgraphunit.c (cgraph_reset_node): Always mark the node
466 not reachable if it is not queued already.
468 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
470 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
471 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
472 (cputype_selected): New static variable.
473 (bfin_handle_option): Set it if -mcpu is used.
474 (override_option): Select default set of workarounds if no cpu type
475 selected on the command line.
476 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
478 From Michael Frysinger <michael.frysinger@analog.com>
479 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
480 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
482 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
483 for bf547, bf523, bf524, and bf526.
484 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
486 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
487 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
488 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
489 __ADSPBF547__ and __ADSPBF54x__ for bf547.
490 * doc/invoke.texi (Blackfin Options): Document that
491 -mcpu now accept bf547, bf523, bf524, and bf526.
493 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
495 PR rtl-optimization/34628
496 * combine.c (try_combine): Stop and undo after the first combination
497 if an autoincrement side-effect on the first insn has effectively
500 2008-01-22 David Edelsohn <edelsohn@gnu.org>
503 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
504 Offset addresses are not valid for Altivec or paired float modes.
506 2008-01-22 Jakub Jelinek <jakub@redhat.com>
509 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
510 if DECL_INITIAL (decl) is error_mark_node.
513 * c-common.c (handle_vector_size_attribute): Only allow
514 integral, scalar float and fixed point types. Handle OFFSET_TYPE
515 the same way as pointer, array etc. types.
516 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
519 * tree.c (build_type_attribute_qual_variant): Call
520 build_qualified_type if attributes are equal, but quals are not.
522 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
525 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
526 * flags.h (warn_strict_aliasing): Remove.
527 (warn_strict_overflow): Remove.
528 * opts.c (warn_strict_aliasing): Remove.
529 (warn_strict_overflow): Remove.
530 * c-opts.c (c_common_handle_option): -Wall only sets
531 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
532 (c_common_post_options): Give default values to -Wstrict-aliasing
533 and -Wstrict-overflow if they are uninitialized.
534 * common.opt (Wstrict-aliasing): Specify Var and Init.
535 (Wstrict-overflow): Likewise.
537 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
539 PR rtl-optimization/26854
540 PR rtl-optimization/34400
541 PR rtl-optimization/34884
542 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
544 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
545 (df_rd_bb_info.expanded_lr_out): Deleted
546 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
547 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
548 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
549 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
550 Removed code to allocate, initialize or free expanded_lr_out.
551 (df_rd_bb_local_compute_process_def): Restructured to make more
553 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
554 sets if the sets are being trimmed.
556 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
559 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
561 * configure: Regenerated.
563 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
566 * tree-pass.h (pass_build_alias): New pass.
567 * tree-ssa-alias.c (gate_build_alias): New.
568 (pass_build_alias): New.
569 * passes.c (init_optimization_passes): Add pass_build_alias after
570 pass_create_structure_vars.
572 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
574 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
575 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
576 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
577 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
578 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
579 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
580 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
581 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
582 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
583 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
584 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
585 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
586 * config/s390/s390.md (FP_ALL): New mode iterator.
587 (_d): New mode attribute.
588 ("*signbit<mode>2>"): Changed mode of first operand.
589 ("isinf<mode>2"): Changed mode of first operand.
590 ("*TDC_insn"): Adaptation for DFP modes.
592 2008-01-22 Ben Elliston <bje@au.ibm.com>
594 * tree.c (check_qualified_type): Improve function description.
596 2008-01-21 Jason Merrill <jason@redhat.com>
599 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
600 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
603 2008-01-21 DJ Delorie <dj@redhat.com>
605 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
608 2008-01-21 Richard Guenther <rguenther@suse.de>
611 * tree-cfg.c (verify_expr): Allow all invariant expressions
612 instead of just constant class ones as reference argument.
613 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
614 like any other constant.
615 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
617 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
619 * regmove.c (fixup_match_1): Update call crossed frequencies.
621 2008-01-21 Richard Guenther <rguenther@suse.de>
624 * tree-inline.c (setup_one_parameter): Deal with mismatched
625 types using a VIEW_CONVERT_EXPR.
627 2008-01-21 Alon Dayan <alond@il.ibm.com>
628 Olga Golovanevsky <olga@il.ibm.com>
630 PR tree-optimization/34701
631 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
632 when the structure size is not a power of 2.
634 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
636 * doc/install.texi: Add doc for --enable-checking=df.
638 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
640 PR rtl-optimization/34808
641 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
643 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
645 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
648 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
650 PR rtl-optimization/26854
651 PR rtl-optimization/34400
652 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
654 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
655 (df_rd_bb_info.expanded_lr_out): New.
656 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
657 * loop_iv.c (iv_analysis_loop_init): Ditto.
658 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
659 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
660 Added code to allocate, initialize or free expanded_lr_out.
661 (df_rd_bb_local_compute_process_def): Restructured to make
663 (df_rd_confluence_n): Add code to do nothing with fake edges and
664 code to no apply invalidate_by_call sets if the sets are being trimmed.
665 (df_lr_local_finalize): Renamed to df_lr_finalize.
666 (df_live_local_finalize): Renamed to df_live_finalize.
668 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
671 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
672 deciding whether to use reciprocal instructions.
674 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
676 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
677 dwarf2out_note_section_used if cold_text_section is NULL.
679 2008-01-19 Jakub Jelinek <jakub@redhat.com>
681 PR gcov-profile/34610
682 * tree-cfg.c (make_edges): Mark both outgoing edges from
683 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
684 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
685 from OMP_FOR and OMP_CONTINUE outgoing edges.
687 * tree-profile.c (tree_profiling): Return early if
688 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
690 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
691 from cfun to child_cfun.
692 * function.h (struct function): Add after_tree_profile bit.
694 2008-01-19 Anatoly Sokolov <aesok@post.ru>
696 * config/avr/avr.S (_exit): Disable interrupt.
698 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
699 Steven Bosscher <stevenb.gcc@gmail.com>
701 PR rtl-optimization/26854
702 PR rtl-optimization/34400
703 * df-problems.c (df_live_scratch): New scratch bitmap.
704 (df_live_alloc): Allocate df_live_scratch when doing df_live.
705 (df_live_reset): Clear the proper bitmaps.
706 (df_live_bb_local_compute): Only process the artificial defs once
707 since the order is not important.
708 (df_live_init): Init the df_live sets only with the variables
710 (df_live_transfer_function): Use the df_lr sets to prune the
711 df_live sets as they are being computed.
712 (df_live_free): Free df_live_scratch.
714 2008-01-18 Ian Lance Taylor <iant@google.com>
716 * common.opt: Add fmerge-debug-strings.
717 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
718 flag_merge_debug_strings rather than flag_merge_constants.
719 * doc/invoke.texi (Option Summary): Mention
720 -fmerge-debug-strings.
721 (Debugging Options): Document -fmerge-debug-strings.
723 2008-01-18 Ian Lance Taylor <iant@google.com>
726 * tree.h (DECL_IS_OPERATOR_NEW): Define.
727 (struct tree_function_decl): Add new field operator_new_flag.
728 * tree-inline.c (expand_call_inline): When inlining a call to
729 operator new, force the return value to go into a variable, and
730 set DECL_NO_TBAA_P on that variable.
731 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
733 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
736 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
737 DWARF2_DEBUGGING_INFO.
738 (dwarf2out_note_section_used): Ditto. Add prototype.
739 (have_multiple_function_sections, text_section_used,
740 cold_text_section_used, *cold_text_sections): Move declarations
743 2007-01-17 Bob Wilson <bob.wilson@acm.org>
745 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
746 field and add signal_ra.
747 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
748 assignments to frame state pc. Move end of stack check after
749 MD_FALLBACK_FRAME_STATE_FOR.
750 (uw_update_context_1): Use frame state signal_regs if set, instead
751 of checking signal_frame flag.
752 (uw_update_context): Use frame state signal_ra if set.
753 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
754 * config/xtensa/linux-unwind.h: New file.
756 2007-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
758 * modulo-sched.c (get_sched_window): Fix comment typo.
760 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
762 PR tree-optimization/34648
763 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
765 2008-01-17 Anatoly Sokolov <aesok@post.ru>
767 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
768 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
770 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
772 PR rtl-optimization/34400
773 * df-core.c (df_worklist_dataflow_overeager,
774 df_worklist_dataflow_doublequeue): New functions.
775 (df_worklist_dataflow): Two different worklist solvers.
776 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
779 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
782 * doc/invoke.texi: Document the dependence on pthread for fopenmp
783 and ftree-parallelize-loops.
785 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
787 PR rtl-optimization/34826
788 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
790 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
792 * global.c (find_reg): Mark the eh regs as used if necessary.
793 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
794 * ra.h (struct allocno): no_eh_reg field added. Changed
795 no_stack_reg type to bitfield.
797 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
799 * tree.c (substitute_in_expr): Add missing 'break'.
801 2008-01-17 Richard Guenther <rguenther@suse.de>
803 PR tree-optimization/34825
804 * tree-ssa-math-opts.c (is_division_by): Do not recognize
805 x / x as division to handle.
807 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
809 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
810 "-pthread" is specified.
811 * pa-hpux11.h (LIB_SPEC): Likewise.
813 2007-01-16 Janis Johnson <janis187@us.ibm.com>
814 Peter Bergner <bergner@vnet.ibm.com>
816 PR rtl-optimization/33796
817 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
819 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
822 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
824 * pa-hpux10.h (LINK_SPEC): Likewise.
825 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
827 2008-01-16 Richard Guenther <rguenther@suse.de>
830 * fold-const.c (fold_convert_const_int_from_int): Do not
831 set overflow if that occured only because of a sign extension
832 change when converting from/to a sizetype with the same
833 precision and signedness.
835 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
838 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
839 location address to the correct place. Update copyright year.
841 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
843 * lambda-code.c (lambda_transform_legal_p): Handle the case of
844 no dependences in the dependence_relations vector.
846 2008-01-16 Jan Hubicka <jh@suse.cz>
848 PR rtl-optimization/31396
849 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
850 * cfg.c (dump_reg_info): Print it.
851 * regs.h (struct reg_info_t): add freq_calls_crossed.
852 (REG_FREQ_CALLS_CROSSED): New macro.
853 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
854 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
855 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
856 regmove_optimize): Update call crossed frequencies.
857 * local-alloc.c (struct qty): Add freq_calls_crossed.
858 (alloc_qty): Copute freq_calls_crossed.
859 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
860 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
861 * ra.h (struct allocno): Add freq_calls_crossed.
863 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
865 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
866 libgomp when compiling with ftree-parallelize-loops.
867 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
869 2008-01-16 Richard Guenther <rguenther@suse.de>
871 PR tree-optimization/34769
872 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
873 * tree.c (int_cst_value): Instead make this function more
874 permissive in what it accepts as valid input. Document this
875 function always sign-extends the value.
877 2008-01-16 Jakub Jelinek <jakub@redhat.com>
878 Richard Guenther <rguenther@suse.de>
881 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
882 (gimple_fold_indirect_ref_rhs): ... this.
883 (gimple_fold_indirect_ref): New function with foldings
884 that preserve lvalueness.
885 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
886 * tree-flow.h (gimple_fold_indirect_ref): Declare.
887 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
888 to fold an INDIRECT_REF, fall back to the old use of
891 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
893 * tree-data-ref.c (subscript_dependence_tester_1): Call
894 free_conflict_function.
895 (compute_self_dependence): Same.
897 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
900 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
901 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
903 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
904 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
905 for DWARF2_UNWIND_INFO targets.
907 2008-01-16 Richard Guenther <rguenther@suse.de>
910 * c-typeck.c (common_pointer_type): Do not merge inconsistent
911 type qualifiers for function types.
913 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
915 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
916 loop_iterator li from previous commit.
918 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
920 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
922 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
924 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
925 (parallelize_loops): Don't parallelize irreducible components.
927 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
930 * c-opts (c_common_post_options): Do not enable CPP
931 flag_pedantic_errors by default.
933 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
935 PR rtl-optimization/31944
936 * cse.c (remove_pseudo_from_table): New function.
937 (merge_equiv_classes): Use above function to remove pseudo-registers.
938 (invalidate): Likewise.
940 2008-01-13 Richard Guenther <rguenther@suse.de>
943 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
944 instead of TYPE_MODE to deal with calls from expand_one_error_var.
946 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
948 * gcse.c (cprop_jump): Call validate_unshare_change instead of
949 validate_change to unshare the source of the PC set.
951 2008-01-12 Jan Hubicka <jh@suse.cz>
954 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
955 references above array bounds. This might trigger bounds checks for
958 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
960 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
961 new_replaceable_dependencies.
963 2008-01-12 Doug Kwan <dougkwan@google.com>
965 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
966 instead of OPT_Wreturn_type in warning due to ignored return type
968 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
969 options included in -Wextra.
970 * c.opt: New option -Wignored_qualifiers.
971 * doc/invoke.texi (Warning Options, -Wextra): Add new option
973 (-Wignored-qualifiers): Document.
974 (-Wreturn-type): Remove description of functionality now handled
975 by -Wignored-qualifiers.
977 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
980 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
981 NOP_EXPR if it is between integral types with the same precision.
983 2008-01-12 Jan Hubicka <jh@suse.cz>
986 * invoke.texi (max-inline-recursive-depth): Fix default value.
988 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
990 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
993 2008-01-11 Bob Wilson <bob.wilson@acm.org>
995 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
997 2008-01-11 James E. Wilson <wilson@specifix.com>
1000 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1002 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1004 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1005 save/restore frame pointer register and don't use 'call-prologues'
1006 optimization in function with "OS_task" attribute.
1008 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1011 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1012 when copying to memory.
1014 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1016 PR rtl-optimization/30905
1017 * cfgcleanup.c: Include dce.h
1018 (crossjumps_occured): New global variable.
1019 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1020 If something changed, set crossjumps_occured to true.
1021 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1022 Don't add/remove fake edges to exit here...
1023 (cleanup_cfg): ...but do it here, when crossjumping.
1024 Run a fast DCE when successful crossjumps occured in the latest
1025 iteration of try_optimize_cfg.
1027 2008-01-11 Richard Guenther <rguenther@suse.de>
1029 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1030 (struct vn_unary_op_s): Likewise.
1031 (vn_reference_insert): Free old reference on hash collision.
1033 2008-01-10 Raksit Ashok <raksit@google.com>
1035 PR rtl-optimization/27971
1036 * combine.c (find_split_point): Split PLUS expressions which are
1037 inside a MEM rtx, and whose first operand is complex.
1039 2008-01-10 DJ Delorie <dj@redhat.com>
1041 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1042 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1043 (m32c_hard_regno_ok): Call the underlying function.
1045 2008-01-10 Richard Guenther <rguenther@suse.de>
1048 * tree-cfg.c (tree_merge_blocks): Do not go through the
1049 full-blown folding and stmt updating path if we just deal
1050 with virtual operands.
1051 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1052 test for abnormal SSA_NAMEs.
1054 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1057 * reload.c (push_reload): Add assertions. All constants from
1058 reg_equiv_constant should have been used for replacing the respective
1060 (find_reloads_address): Invoke find_reloads_address_part for
1061 constant taken from the reg_equiv_constant array.
1063 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1065 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1066 field (valnum) the first in the struct. Replace bools with
1069 2008-01-10 Richard Guenther <rguenther@suse.de>
1071 PR tree-optimization/34651
1072 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1073 types and ordering for masking and converting.
1075 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1077 PR tree-optimization/34017
1078 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1079 also for PHI_NODE expressions.
1081 2008-01-09 Jan Hubicka <jh@suse.cz>
1083 PR tree-optimization/34708
1084 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1085 based on number of case labels.
1086 (init_inline_once): Remove switch_cost.
1087 * tree-inline.h (eni_weights_d): Remove switch_cost.
1089 2008-01-09 Richard Guenther <rguenther@suse.de>
1090 Andrew Pinski <andrew_pinski@playstation.sony.com>
1093 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1094 temporary if an rvalue is ok or an lvalue is not required.
1096 2008-01-09 Richard Guenther <rguenther@suse.de>
1099 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1102 2008-01-09 Richard Guenther <rguenther@suse.de>
1105 * tree.c (host_integerp): Check for sizetype only if the
1106 type is an integer type.
1108 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1111 * opts.c (decode_options): Disable inlining of functions called
1112 once if not in unit-at-a-time mode.
1114 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1116 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1118 2008-01-08 Richard Guenther <rguenther@suse.de>
1121 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1122 out early if the result will be unused.
1124 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1129 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1130 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1133 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1135 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1136 for vectorization tuned.
1138 2008-01-08 Richard Guenther <rguenther@suse.de>
1140 PR tree-optimization/34683
1141 * tree-ssa-operands.c (operand_build_cmp): Export.
1142 * tree-ssa-operands.h (operand_build_cmp): Declare.
1143 * tree-vn.c (vuses_compare): Remove.
1144 (sort_vuses): Use operand_build_cmp.
1145 (sort_vuses_heap): Likewise.
1146 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1147 to re-use old VEC if available. Do not sort already sorted VUSEs.
1148 (vdefs_to_vec): Do not sort already sorted VDEFs.
1150 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1153 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1155 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1158 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1159 limitations of reciprocal sequences on x86 targets.
1161 2008-01-08 Richard Guenther <rguenther@suse.de>
1163 PR tree-optimization/34683
1164 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1166 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1169 * config/darwin.c (darwin_mergeable_string_section): Don't use
1170 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1172 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1175 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1176 negxf2. Macroize expander using X87MODEF mode iterator. Change
1177 predicates of op0 and op1 to register_operand.
1178 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1179 expander using X87MODEF mode iterator. Change predicates of
1180 op0 and op1 to register_operand.
1181 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1182 corresponding patterns and macroize using MODEF macro. Change
1183 predicates of op0 and op1 to register_operand and remove
1184 "m" constraint. Disparage "r" alternative with "!".
1185 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1186 macroize using X87MODEF macro. Change predicates of op0 and op1
1187 to register_operand and remove "m" constraint. Disparage "r"
1188 alternative with "!".
1189 (absneg splitter with memory operands): Remove.
1190 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1191 patterns and macroize using X87MODEF mode iterator.
1192 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1193 Change predicate of op1 to register_operand.
1194 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1195 for memory operands.
1197 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1199 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1201 2008-01-07 Richard Guenther <rguenther@suse.de>
1203 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1206 2008-01-07 Richard Guenther <rguenther@suse.de>
1208 PR tree-optimization/34683
1209 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1210 VOPs of the needed size to save memory. Use VEC_quick_push
1211 to save compile-time.
1212 (vdefs_to_vec): Likewise.
1214 2008-01-07 Sa Liu <saliu@de.ibm.com>
1216 * config/spu/spu.md (divdf3): Genetate inline code for double
1217 division. The implementation doesn't handle INF or NAN, therefore it
1218 only applies when -ffinite-math-only is given.
1220 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1223 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1224 * doc/cpp.texi ([Common Predefined Macros]): Document.
1226 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1228 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1229 order to use commutative addition instead of subtraction.
1231 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1232 Mircea Namolaru <namolaru@il.ibm.com>
1233 Vladimir Yanovsky <yanov@il.ibm.com>
1234 Revital Eres <eres@il.ibm.com>
1236 PR tree-optimization/34263
1237 * tree-outof-ssa.c (process_single_block_loop_latch,
1238 contains_tree_r): New functions.
1239 (analyze_edges_for_bb): Call process_single_block_loop_latch
1240 function to empty single-basic-block latch block if possible.
1242 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1244 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1246 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1248 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1250 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1252 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1254 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1256 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1258 PR tree-optimization/34618
1259 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1262 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1265 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1266 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1267 Update copyright year.
1269 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1270 Update copyright year.
1271 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1274 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1276 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1277 edge does not point to current bb before changing need_assert.
1279 2008-01-04 Richard Guenther <rguenther@suse.de>
1282 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1283 for verifying purposes if they are is_gimple_min_invariant.
1285 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1287 PR tree-optimization/34448
1288 PR tree-optimization/34465
1289 * gimplify.c (gimplify_init_constructor): Add new parameter
1290 notify_temp_creation. Use it.
1291 (gimplify_modify_expr_rhs): Take volatiles into account when
1292 optimizing constructors.
1293 Do not optimize constructors if gimplify_init_constructor will dump to
1295 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1296 * gcc.c-torture/compile/pr34448.c: New.
1298 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1300 PR gcov-profile/34609
1301 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1302 return_slot if result is TREE_ADDRESSABLE.
1304 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1306 * config/mips/mips.md (sqrt_condition): Tweak comment.
1307 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1309 2008-01-03 Tom Tromey <tromey@redhat.com>
1312 * c-common.c (c_type_hash): Handle VLAs.
1314 2008-01-03 Jan Hubicka <jh@suse.cz>
1316 PR tree-optimization/31081
1317 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1318 0 when inlining and not inlining to first basic block.
1319 (remap_decl): When var is initialized to 0, don't set default_def.
1320 (expand_call_inline): Set entry_bb.
1321 * tree-inline.h (copy_body_data): Add entry_bb.
1323 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1326 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1329 PR tree-optimization/29484
1330 * tree-inline.c (inline_forbidden_p_2): New function.
1331 (inline_forbidden_p): Disallow inlining if some static var
1332 has an address of a local LABEL_DECL in its initializer.
1333 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1336 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1338 PR tree-optimization/34635
1339 * tree-data-ref.c (add_other_self_distances): Make sure that the
1340 evolution step is constant.
1342 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1345 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1347 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1349 * tree-sra.c (scalarize_init): Insert the generate_element_init
1350 statements after the generate_element_zero statements.
1352 2008-01-02 Richard Guenther <rguenther@suse.de>
1356 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1357 for very large number of operands instead of ICEing.
1359 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1362 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1363 while stack probing.
1365 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1367 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1370 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1373 * tree-mudflap.c (mx_register_decls): Guard warning by
1374 !DECL_ARTIFICIAL check.
1376 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1378 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1379 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1380 sse5_perm<mode>): Fix constraints.