1 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
4 * config/mips/mips.c (gen_load_const_gp): New function, taking a
6 (mips16_gp_pseudo_reg): ...here.
7 * config/mips/mips.md (load_const_gp): Replace with...
8 (load_const_gp_<mode>): ...this :P-based insn.
10 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
14 (-std): Move reference to standards closer to where language
15 standards are first mentioned.
17 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
19 PR rtl-optimization/34995
20 * reload.c (alternative_allows_const_pool_ref): Take an rtx
21 parameter and return a bool. If the rtx parameter is nonnull,
22 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
23 (find_reloads): Update call accordingly. Pass the new operand
24 if it needed no address reloads, otherwise pass null.
26 2008-01-30 Richard Henderson <rth@redhat.com>
29 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
32 2008-01-30 Silvius Rus <rus@google.com>
34 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
36 2008-01-30 Jan Hubicka <jh@suse.cz>
39 * i386.c (init_cumulative_args): Use real function declaration when
42 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
44 PR rtl-optimization/34998
45 * global.c (build_insn_chain): Treat non-subreg_lowpart
46 SUBREGs of pseudos as clobbering all the words covered by the
47 SUBREG, not just all the bytes.
48 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
49 original df_ref rather than an extract parameter.
50 (global_conflicts): Update call accordingly.
52 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
54 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
55 the overflow check to make it easier to read.
56 (__fixtfdi): Change the type of the ll member in union
57 long_double to UDItype_x.
59 2008-01-30 Jakub Jelinek <jakub@redhat.com>
62 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
63 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
64 * tree-inline.c (fold_marked_statements): Call
65 cgraph_update_edges_for_call_stmt if folding a call statement.
66 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
67 debug_generic_stmt calls, reset it back afterwards.
70 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
72 * c-typeck.c (build_external_ref): Don't pedwarn about
73 static vars in current function's scope.
75 2008-01-29 Joseph Myers <joseph@codesourcery.com>
77 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
79 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
82 * ipa-struct-reorg.c: Fix spelling.
85 2008-01-29 Richard Guenther <rguenther@suse.de>
88 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
90 * tree-inline.c (remap_type): Increment remapping_type_depth
91 around remapping types.
92 (copy_body_r): Only add referenced variables if they are referenced
95 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
106 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
107 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
109 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
112 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
113 pointer for tiny stack.
115 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
117 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
119 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
121 * config/vx-common.h: Fix typo in comment.
123 2008-01-28 Ian Lance Taylor <iant@google.com>
127 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
128 coalesce pointers if they have different DECL_NO_TBAA_P values.
129 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
130 between variables with different DECL_NO_TBAA_P values.
132 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
135 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
136 are not legitimate small data references on SPE targets.
138 2008-01-28 David Daney <ddaney@avtrex.com>
140 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
142 2008-01-28 David Daney <ddaney@avtrex.com>
144 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
146 2008-01-27 Joseph Myers <joseph@codesourcery.com>
148 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
149 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
150 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
151 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
152 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
153 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
154 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
155 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
157 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
159 * basic-block.h (condjump_equiv_p): Fix comment.
161 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
163 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
164 print_generic_stmt_indented): Fix comment.
166 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
168 * configure.ac (__stack_chk_fail): Add detecion for availability
169 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
170 * configure: Regenerate.
172 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
175 * final.c (output_addr_const): Handle TRUNCATE.
177 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
180 * tree-ssa-loop-ivopts.c (comp_cost): New type.
181 (zero_cost, infinite_cost): New constants.
182 (struct cost_pair): Change type of cost to comp_cost.
183 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
184 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
186 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
187 split_address_cost, ptr_difference_cost, difference_cost,
188 get_computation_cost_at, get_computation_cost,
189 determine_use_iv_cost_generic, determine_use_iv_cost_address,
190 determine_use_iv_cost_condition, determine_use_iv_costs,
191 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
192 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
193 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
194 Change type of cost to comp_cost.
195 (determine_iv_cost): Increase cost of non-original ivs, instead
196 of decreasing the cost of original ones.
197 (get_address_cost): Indicate the complexity of the addressing mode
199 (try_add_cand_for): Prefer using ivs not specific to some object.
200 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
202 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
203 Janis Johnson <janis187@us.ibm.com>
206 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
207 (TARGET_INSTANTIATE_DECLS): Likewise.
208 * target.h (expand_to_rtl_hook): New target hook.
209 (instantiate_decls): Likewise.
210 * function.c (instantiate_decl): Make non-static. Rename to...
211 (instantiate_decl_rtl): ... this.
212 (instantiate_expr): Use instantiate_decl_rtl.
213 (instantiate_decls_1): Likewise.
214 (instantiate_decls): Likewise.
215 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
216 * function.h (instantiate_decl_rtl): Add prototype.
217 * cfgexpand.c (target.h): New include.
218 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
219 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
220 (TARGET_INSTANTIATE_DECLS): Likewise.
221 (TARGET_INITIALIZER): New target hooks added.
222 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
224 * config/rs6000/rs6000.c (tree-flow.h): New include.
225 (machine_function): Add sdmode_stack_slot field.
226 (rs6000_alloc_sdmode_stack_slot): New function.
227 (rs6000_instantiate_decls): Likewise.
228 (rs6000_secondary_memory_needed_rtx): Likewise.
229 (rs6000_check_sdmode): Likewise.
230 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
231 (TARGET_INSTANTIATE_DECLS): Likewise.
232 (rs6000_hard_regno_mode_ok): Allow SDmode.
233 (num_insns_constant): Likewise. Handle _Decimal32 constants.
234 (rs6000_emit_move): Handle SDmode.
235 (function_arg_advance): Likewise.
236 (function_arg): Likewise.
237 (rs6000_gimplify_va_arg): Likewise. Add special handling of
238 SDmode var args for 32-bit compiles.
239 (rs6000_secondary_reload_class): Handle SDmode.
240 (rs6000_output_function_epilogue): Likewise.
241 (rs6000_function_value): Simplify if statement.
242 (rs6000_libcall_value): Likewise.
243 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
244 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
245 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
246 (movsd_hardfloat): New define_insn.
247 (movsd_softfloat): Likewise.
248 (movsd_store): Likewise.
249 (movsd_load): Likewise.
250 (extendsddd2): Likewise.
251 (extendsdtd2): Likewise.
252 (truncddsd2): Likewise.
253 (movdd_hardfloat64): Fixup comment.
254 (UNSPEC_MOVSD_LOAD): New constant.
255 (UNSPEC_MOVSD_STORE): Likewise.
257 2008-01-26 Jakub Jelinek <jakub@redhat.com>
260 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
262 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
263 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
264 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
267 2008-01-26 David Edelsohn <edelsohn@gnu.org>
270 * config.gcc: Separate AIX 5.3 from AIX 6.1.
271 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
273 * config/rs6000/aix61.h: New file.
275 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
277 PR rtl-optimization/34959
278 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
279 popcount and parity rtxes the same mode as their operand.
280 Truncate or extend the result to the return value's mode
283 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
286 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
287 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
288 to GOT_VERSION_REGNUM.
289 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
290 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
291 * config/mips/mips.c (mips_emit_call_insn): New function.
292 (mips_call_tls_get_addr): Call mips_expand_call directly.
293 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
295 (mips16_build_call_stub): Likewise. Return the call insn or null.
296 (mips_expand_call): Update the call to mips16_build_call_stub
297 accordingly and a remove redundant condition. Assert that MIPS16
298 stubs do not use lazy binding. Use mips_emit_call_insn and return
300 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
302 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
303 (mips_avoid_hazard): Remove hazard_set handling.
304 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
305 (UNSPEC_RESTORE_GP): ...this.
306 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
307 (FAKE_CALL_REGNO): Rename to...
308 (GOT_VERSION_REGNUM): ...this.
309 (type): Add "ghost" value. Add an associated insn reservation.
310 (hazard_set): Remove.
311 (exception_receiver): Rename to...
312 (restore_gp): ...this and update the unspec identifier accordingly.
313 (exception_receiver, nonlocal_got_receiver): New expanders.
314 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
315 FAKE_CALL_REGNO. Remove hazard_set attribute.
316 (set_got_version, update_got_version): New patterns.
318 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
321 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
323 2008-01-25 Joseph Myers <joseph@codesourcery.com>
326 * doc/install.texi2html: Generate gcc-vers.texi.
328 2008-01-25 DJ Delorie <dj@redhat.com>
330 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
332 2008-01-25 Joseph Myers <joseph@codesourcery.com>
334 * config/c4x: Remove directory.
335 * config.gcc (crx-*, mt-*): Mark obsolete.
336 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
337 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
338 sh-*-rtemscoff*): Remove cases.
339 * defaults.h (C4X_FLOAT_FORMAT): Remove.
340 * real.c (encode_c4x_single, decode_c4x_single,
341 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
342 c4x_extended_format): Remove.
343 * real.h (c4x_single_format, c4x_extended_format): Remove.
344 * doc/extend.texi (interrupt, naked): Remove mention of attributes
346 (Pragmas): Remove comment about c4x pragmas.
347 * doc/install.texi (c4x): Remove target-specific instructions.
348 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
349 * doc/md.texi (Machine Constraints): Remove C4x documentation.
350 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
351 refer to C4x source files as examples.
352 (C4X_FLOAT_FORMAT): Remove documentation.
354 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
356 * config/bfin/bfin.c (override_options): Reorder tests so that
357 flag_pic gets enabled for -msep-data.
359 2008-01-25 Richard Guenther <rguenther@suse.de>
362 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
363 to its bitfield precision if required.
365 2008-01-25 Jakub Jelinek <jakub@redhat.com>
368 * tree-nested.c (walk_omp_for): New function.
369 (convert_nonlocal_reference, convert_local_reference): Call
370 walk_omp_for on OMP_FOR.
371 (convert_call_expr): Call walk_body on OMP_FOR's
372 OMP_FOR_PRE_INIT_BODY.
374 2008-01-25 Richard Guenther <rguenther@suse.de>
376 PR tree-optimization/34966
377 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
378 default defs and PHI_NODEs we have to insert after the
381 2008-01-24 Nick Clifton <nickc@redhat.com>
383 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
384 Provide a default definition.
385 (LIBGCC2_UNITS_PER_WORD): Likewise.
387 * config/stormy16/stormy16.c: Include df.h for the prototype
388 for df_regs_ever_live_p.
389 (xstormy16_expand_builtin_va_start): Convert the stack offset
390 into a component_ref and then use POINTER_PLUS_EXPR to add it
391 to the incoming_virtual_args_rtx.
392 (xstormy16_gimplify_va_arg_expr): Rename to
393 xstormy16_gimplify_va_arg_expr.
394 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
395 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
396 xstormy16_gimplify_va_arg_expr.
397 Fix up some formatting issues.
399 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
400 Move to predicates.md.
401 (xs_hi_general_operand): Likewise.
402 (xs_hi_nonmemory_operand): Likewise.
403 * config/stormy16/predicates.md:
404 (xstormy16_carry_plus_operand): New predicate.
405 (xs_hi_general_operand): New predicate.
406 (xs_hi_nonmemory_operand): New predicate.
407 * config/stormy16/stormy16-protos.h:
408 (xstormy16_carry_plus_operand): Delete prototype.
409 (xs_hi_general_operand): Likewise.
410 (xs_hi_nonmemory_operand): Likewise.
412 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
413 modifiers as they are no longer needed and they can trigger
414 reload spill failures.
416 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
417 with a match_operand in order to help reload.
419 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
420 constraint with 'e' for the 8th alternative as this version of
421 the mov.w instruction only accepts the lower 8 registers.
423 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
426 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
427 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
430 2008-01-25 Jakub Jelinek <jakub@redhat.com>
433 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
435 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
437 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
439 (remove_structure): Update allocations list before removing structure.
441 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
443 * ipa-struct-reorg.c (is_safe_cond_expr,
444 create_new_stmts_for_cond_expr): Use integer_zerop function,
445 that recognize not only zero-pointer, but zero-integer too.
447 2008-01-25 Ben Elliston <bje@au.ibm.com>
450 * fixproto: Escape "." in sed expression that strips leading "./".
452 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
455 * gcc.c (SWITCH_OK): Removed.
456 (SWITCH_LIVE): Changed to bit.
457 (SWITCH_FALSE): Likewise.
458 (SWITCH_IGNORE): Likewise.
459 (switchstr): Change live_cond to unsigned int.
460 (process_command): Replace SWITCH_OK with 0.
461 (do_self_spec): Likewise.
462 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
463 (give_switch): Likewise.
464 (used_arg): Likewise.
465 (do_spec_1): Set the SWITCH_IGNORE bit.
466 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
467 bits. Set the SWITCH_LIVE bit.
469 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
471 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
473 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
475 PR tree-optimization/34472
476 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
477 parameter to a "bool *" and set *DATA to false if there is
478 an unsafe access. Do not delete the structure here.
479 (check_cond_exprs): Delete it here instead.
480 (check_cond_exprs, exclude_cold_structs): Do not increase
481 I when removing a structure.
483 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
486 * config/i386/i386.c (ix86_expand_vector_init): Consider only
487 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
489 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
492 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
493 a fixed vector for stack.
495 2008-01-24 Ben Elliston <bje@au.ibm.com>
498 * doc/gcc.texi (Software development): Add a direntry for g++.
500 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
502 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
503 stale and straggling -fforce-addr comments above.
505 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
507 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
508 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
510 2008-01-23 Michael Matz <matz@suse.de>
513 * dwarf2out.c (force_type_die): Use modified_type_die instead of
516 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
518 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
521 2008-01-23 Anatoly Sokolov <aesok@post.ru>
523 * config/avr/avr.c (avr_current_arch): New variable.
524 (avr_arch_types): Add 'avr31' and 'avr51' entries.
525 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
526 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
527 (avr_override_options): Init 'avr_current_arch'.
528 (base_arch_s): Move from here...
529 * config/avr/avr.h (base_arch_s): ... here. Add new members
530 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
531 'mega' to 'have_jmp_call'.
532 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
533 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
535 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
537 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
538 MULTILIB_MATCHES): (Ditto.).
540 2008-01-23 Richard Guenther <rguenther@suse.de>
543 * cgraphunit.c (cgraph_reset_node): Always mark the node
544 not reachable if it is not queued already.
546 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
548 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
549 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
550 (cputype_selected): New static variable.
551 (bfin_handle_option): Set it if -mcpu is used.
552 (override_option): Select default set of workarounds if no cpu type
553 selected on the command line.
554 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
556 From Michael Frysinger <michael.frysinger@analog.com>
557 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
558 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
560 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
561 for bf547, bf523, bf524, and bf526.
562 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
564 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
565 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
566 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
567 __ADSPBF547__ and __ADSPBF54x__ for bf547.
568 * doc/invoke.texi (Blackfin Options): Document that
569 -mcpu now accept bf547, bf523, bf524, and bf526.
571 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
573 PR rtl-optimization/34628
574 * combine.c (try_combine): Stop and undo after the first combination
575 if an autoincrement side-effect on the first insn has effectively
578 2008-01-22 David Edelsohn <edelsohn@gnu.org>
581 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
582 Offset addresses are not valid for Altivec or paired float modes.
584 2008-01-22 Jakub Jelinek <jakub@redhat.com>
587 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
588 if DECL_INITIAL (decl) is error_mark_node.
591 * c-common.c (handle_vector_size_attribute): Only allow
592 integral, scalar float and fixed point types. Handle OFFSET_TYPE
593 the same way as pointer, array etc. types.
594 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
597 * tree.c (build_type_attribute_qual_variant): Call
598 build_qualified_type if attributes are equal, but quals are not.
600 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
603 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
604 * flags.h (warn_strict_aliasing): Remove.
605 (warn_strict_overflow): Remove.
606 * opts.c (warn_strict_aliasing): Remove.
607 (warn_strict_overflow): Remove.
608 * c-opts.c (c_common_handle_option): -Wall only sets
609 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
610 (c_common_post_options): Give default values to -Wstrict-aliasing
611 and -Wstrict-overflow if they are uninitialized.
612 * common.opt (Wstrict-aliasing): Specify Var and Init.
613 (Wstrict-overflow): Likewise.
615 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
617 PR rtl-optimization/26854
618 PR rtl-optimization/34400
619 PR rtl-optimization/34884
620 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
622 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
623 (df_rd_bb_info.expanded_lr_out): Deleted
624 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
625 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
626 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
627 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
628 Removed code to allocate, initialize or free expanded_lr_out.
629 (df_rd_bb_local_compute_process_def): Restructured to make more
631 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
632 sets if the sets are being trimmed.
634 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
637 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
639 * configure: Regenerated.
641 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
644 * tree-pass.h (pass_build_alias): New pass.
645 * tree-ssa-alias.c (gate_build_alias): New.
646 (pass_build_alias): New.
647 * passes.c (init_optimization_passes): Add pass_build_alias after
648 pass_create_structure_vars.
650 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
652 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
653 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
654 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
655 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
656 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
657 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
658 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
659 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
660 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
661 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
662 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
663 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
664 * config/s390/s390.md (FP_ALL): New mode iterator.
665 (_d): New mode attribute.
666 ("*signbit<mode>2>"): Changed mode of first operand.
667 ("isinf<mode>2"): Changed mode of first operand.
668 ("*TDC_insn"): Adaptation for DFP modes.
670 2008-01-22 Ben Elliston <bje@au.ibm.com>
672 * tree.c (check_qualified_type): Improve function description.
674 2008-01-21 Jason Merrill <jason@redhat.com>
677 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
678 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
681 2008-01-21 DJ Delorie <dj@redhat.com>
683 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
686 2008-01-21 Richard Guenther <rguenther@suse.de>
689 * tree-cfg.c (verify_expr): Allow all invariant expressions
690 instead of just constant class ones as reference argument.
691 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
692 like any other constant.
693 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
695 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
697 * regmove.c (fixup_match_1): Update call crossed frequencies.
699 2008-01-21 Richard Guenther <rguenther@suse.de>
702 * tree-inline.c (setup_one_parameter): Deal with mismatched
703 types using a VIEW_CONVERT_EXPR.
705 2008-01-21 Alon Dayan <alond@il.ibm.com>
706 Olga Golovanevsky <olga@il.ibm.com>
708 PR tree-optimization/34701
709 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
710 when the structure size is not a power of 2.
712 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
714 * doc/install.texi: Add doc for --enable-checking=df.
716 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
718 PR rtl-optimization/34808
719 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
721 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
723 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
726 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
728 PR rtl-optimization/26854
729 PR rtl-optimization/34400
730 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
732 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
733 (df_rd_bb_info.expanded_lr_out): New.
734 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
735 * loop_iv.c (iv_analysis_loop_init): Ditto.
736 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
737 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
738 Added code to allocate, initialize or free expanded_lr_out.
739 (df_rd_bb_local_compute_process_def): Restructured to make
741 (df_rd_confluence_n): Add code to do nothing with fake edges and
742 code to no apply invalidate_by_call sets if the sets are being trimmed.
743 (df_lr_local_finalize): Renamed to df_lr_finalize.
744 (df_live_local_finalize): Renamed to df_live_finalize.
746 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
749 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
750 deciding whether to use reciprocal instructions.
752 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
754 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
755 dwarf2out_note_section_used if cold_text_section is NULL.
757 2008-01-19 Jakub Jelinek <jakub@redhat.com>
759 PR gcov-profile/34610
760 * tree-cfg.c (make_edges): Mark both outgoing edges from
761 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
762 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
763 from OMP_FOR and OMP_CONTINUE outgoing edges.
765 * tree-profile.c (tree_profiling): Return early if
766 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
768 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
769 from cfun to child_cfun.
770 * function.h (struct function): Add after_tree_profile bit.
772 2008-01-19 Anatoly Sokolov <aesok@post.ru>
774 * config/avr/avr.S (_exit): Disable interrupt.
776 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
777 Steven Bosscher <stevenb.gcc@gmail.com>
779 PR rtl-optimization/26854
780 PR rtl-optimization/34400
781 * df-problems.c (df_live_scratch): New scratch bitmap.
782 (df_live_alloc): Allocate df_live_scratch when doing df_live.
783 (df_live_reset): Clear the proper bitmaps.
784 (df_live_bb_local_compute): Only process the artificial defs once
785 since the order is not important.
786 (df_live_init): Init the df_live sets only with the variables
788 (df_live_transfer_function): Use the df_lr sets to prune the
789 df_live sets as they are being computed.
790 (df_live_free): Free df_live_scratch.
792 2008-01-18 Ian Lance Taylor <iant@google.com>
794 * common.opt: Add fmerge-debug-strings.
795 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
796 flag_merge_debug_strings rather than flag_merge_constants.
797 * doc/invoke.texi (Option Summary): Mention
798 -fmerge-debug-strings.
799 (Debugging Options): Document -fmerge-debug-strings.
801 2008-01-18 Ian Lance Taylor <iant@google.com>
804 * tree.h (DECL_IS_OPERATOR_NEW): Define.
805 (struct tree_function_decl): Add new field operator_new_flag.
806 * tree-inline.c (expand_call_inline): When inlining a call to
807 operator new, force the return value to go into a variable, and
808 set DECL_NO_TBAA_P on that variable.
809 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
811 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
814 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
815 DWARF2_DEBUGGING_INFO.
816 (dwarf2out_note_section_used): Ditto. Add prototype.
817 (have_multiple_function_sections, text_section_used,
818 cold_text_section_used, *cold_text_sections): Move declarations
821 2008-01-17 Bob Wilson <bob.wilson@acm.org>
823 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
824 field and add signal_ra.
825 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
826 assignments to frame state pc. Move end of stack check after
827 MD_FALLBACK_FRAME_STATE_FOR.
828 (uw_update_context_1): Use frame state signal_regs if set, instead
829 of checking signal_frame flag.
830 (uw_update_context): Use frame state signal_ra if set.
831 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
832 * config/xtensa/linux-unwind.h: New file.
834 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
836 * modulo-sched.c (get_sched_window): Fix comment typo.
838 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
840 PR tree-optimization/34648
841 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
843 2008-01-17 Anatoly Sokolov <aesok@post.ru>
845 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
846 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
848 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
850 PR rtl-optimization/34400
851 * df-core.c (df_worklist_dataflow_overeager,
852 df_worklist_dataflow_doublequeue): New functions.
853 (df_worklist_dataflow): Two different worklist solvers.
854 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
857 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
860 * doc/invoke.texi: Document the dependence on pthread for fopenmp
861 and ftree-parallelize-loops.
863 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
865 PR rtl-optimization/34826
866 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
868 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
870 * global.c (find_reg): Mark the eh regs as used if necessary.
871 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
872 * ra.h (struct allocno): no_eh_reg field added. Changed
873 no_stack_reg type to bitfield.
875 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
877 * tree.c (substitute_in_expr): Add missing 'break'.
879 2008-01-17 Richard Guenther <rguenther@suse.de>
881 PR tree-optimization/34825
882 * tree-ssa-math-opts.c (is_division_by): Do not recognize
883 x / x as division to handle.
885 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
887 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
888 "-pthread" is specified.
889 * pa-hpux11.h (LIB_SPEC): Likewise.
891 2008-01-16 Janis Johnson <janis187@us.ibm.com>
892 Peter Bergner <bergner@vnet.ibm.com>
894 PR rtl-optimization/33796
895 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
897 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
900 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
902 * pa-hpux10.h (LINK_SPEC): Likewise.
903 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
905 2008-01-16 Richard Guenther <rguenther@suse.de>
908 * fold-const.c (fold_convert_const_int_from_int): Do not
909 set overflow if that occured only because of a sign extension
910 change when converting from/to a sizetype with the same
911 precision and signedness.
913 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
916 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
917 location address to the correct place. Update copyright year.
919 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
921 * lambda-code.c (lambda_transform_legal_p): Handle the case of
922 no dependences in the dependence_relations vector.
924 2008-01-16 Jan Hubicka <jh@suse.cz>
926 PR rtl-optimization/31396
927 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
928 * cfg.c (dump_reg_info): Print it.
929 * regs.h (struct reg_info_t): add freq_calls_crossed.
930 (REG_FREQ_CALLS_CROSSED): New macro.
931 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
932 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
933 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
934 regmove_optimize): Update call crossed frequencies.
935 * local-alloc.c (struct qty): Add freq_calls_crossed.
936 (alloc_qty): Copute freq_calls_crossed.
937 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
938 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
939 * ra.h (struct allocno): Add freq_calls_crossed.
941 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
943 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
944 libgomp when compiling with ftree-parallelize-loops.
945 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
947 2008-01-16 Richard Guenther <rguenther@suse.de>
949 PR tree-optimization/34769
950 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
951 * tree.c (int_cst_value): Instead make this function more
952 permissive in what it accepts as valid input. Document this
953 function always sign-extends the value.
955 2008-01-16 Jakub Jelinek <jakub@redhat.com>
956 Richard Guenther <rguenther@suse.de>
959 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
960 (gimple_fold_indirect_ref_rhs): ... this.
961 (gimple_fold_indirect_ref): New function with foldings
962 that preserve lvalueness.
963 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
964 * tree-flow.h (gimple_fold_indirect_ref): Declare.
965 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
966 to fold an INDIRECT_REF, fall back to the old use of
969 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
971 * tree-data-ref.c (subscript_dependence_tester_1): Call
972 free_conflict_function.
973 (compute_self_dependence): Same.
975 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
978 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
979 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
981 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
982 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
983 for DWARF2_UNWIND_INFO targets.
985 2008-01-16 Richard Guenther <rguenther@suse.de>
988 * c-typeck.c (common_pointer_type): Do not merge inconsistent
989 type qualifiers for function types.
991 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
993 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
994 loop_iterator li from previous commit.
996 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
998 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1000 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1002 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1003 (parallelize_loops): Don't parallelize irreducible components.
1005 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1008 * c-opts (c_common_post_options): Do not enable CPP
1009 flag_pedantic_errors by default.
1011 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1013 PR rtl-optimization/31944
1014 * cse.c (remove_pseudo_from_table): New function.
1015 (merge_equiv_classes): Use above function to remove pseudo-registers.
1016 (invalidate): Likewise.
1018 2008-01-13 Richard Guenther <rguenther@suse.de>
1021 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1022 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1024 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1026 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1027 validate_change to unshare the source of the PC set.
1029 2008-01-12 Jan Hubicka <jh@suse.cz>
1032 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1033 references above array bounds. This might trigger bounds checks for
1036 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1038 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1039 new_replaceable_dependencies.
1041 2008-01-12 Doug Kwan <dougkwan@google.com>
1043 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1044 instead of OPT_Wreturn_type in warning due to ignored return type
1046 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1047 options included in -Wextra.
1048 * c.opt: New option -Wignored_qualifiers.
1049 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1050 -Wignore_qualifiers.
1051 (-Wignored-qualifiers): Document.
1052 (-Wreturn-type): Remove description of functionality now handled
1053 by -Wignored-qualifiers.
1055 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1058 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1059 NOP_EXPR if it is between integral types with the same precision.
1061 2008-01-12 Jan Hubicka <jh@suse.cz>
1064 * invoke.texi (max-inline-recursive-depth): Fix default value.
1066 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1068 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1071 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1073 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1075 2008-01-11 James E. Wilson <wilson@specifix.com>
1078 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1080 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1082 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1083 save/restore frame pointer register and don't use 'call-prologues'
1084 optimization in function with "OS_task" attribute.
1086 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1089 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1090 when copying to memory.
1092 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1094 PR rtl-optimization/30905
1095 * cfgcleanup.c: Include dce.h
1096 (crossjumps_occured): New global variable.
1097 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1098 If something changed, set crossjumps_occured to true.
1099 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1100 Don't add/remove fake edges to exit here...
1101 (cleanup_cfg): ...but do it here, when crossjumping.
1102 Run a fast DCE when successful crossjumps occured in the latest
1103 iteration of try_optimize_cfg.
1105 2008-01-11 Richard Guenther <rguenther@suse.de>
1107 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1108 (struct vn_unary_op_s): Likewise.
1109 (vn_reference_insert): Free old reference on hash collision.
1111 2008-01-10 Raksit Ashok <raksit@google.com>
1113 PR rtl-optimization/27971
1114 * combine.c (find_split_point): Split PLUS expressions which are
1115 inside a MEM rtx, and whose first operand is complex.
1117 2008-01-10 DJ Delorie <dj@redhat.com>
1119 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1120 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1121 (m32c_hard_regno_ok): Call the underlying function.
1123 2008-01-10 Richard Guenther <rguenther@suse.de>
1126 * tree-cfg.c (tree_merge_blocks): Do not go through the
1127 full-blown folding and stmt updating path if we just deal
1128 with virtual operands.
1129 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1130 test for abnormal SSA_NAMEs.
1132 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1135 * reload.c (push_reload): Add assertions. All constants from
1136 reg_equiv_constant should have been used for replacing the respective
1138 (find_reloads_address): Invoke find_reloads_address_part for
1139 constant taken from the reg_equiv_constant array.
1141 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1143 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1144 field (valnum) the first in the struct. Replace bools with
1147 2008-01-10 Richard Guenther <rguenther@suse.de>
1149 PR tree-optimization/34651
1150 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1151 types and ordering for masking and converting.
1153 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1155 PR tree-optimization/34017
1156 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1157 also for PHI_NODE expressions.
1159 2008-01-09 Jan Hubicka <jh@suse.cz>
1161 PR tree-optimization/34708
1162 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1163 based on number of case labels.
1164 (init_inline_once): Remove switch_cost.
1165 * tree-inline.h (eni_weights_d): Remove switch_cost.
1167 2008-01-09 Richard Guenther <rguenther@suse.de>
1168 Andrew Pinski <andrew_pinski@playstation.sony.com>
1171 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1172 temporary if an rvalue is ok or an lvalue is not required.
1174 2008-01-09 Richard Guenther <rguenther@suse.de>
1177 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1180 2008-01-09 Richard Guenther <rguenther@suse.de>
1183 * tree.c (host_integerp): Check for sizetype only if the
1184 type is an integer type.
1186 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1189 * opts.c (decode_options): Disable inlining of functions called
1190 once if not in unit-at-a-time mode.
1192 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1194 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1196 2008-01-08 Richard Guenther <rguenther@suse.de>
1199 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1200 out early if the result will be unused.
1202 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1207 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1208 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1211 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1213 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1214 for vectorization tuned.
1216 2008-01-08 Richard Guenther <rguenther@suse.de>
1218 PR tree-optimization/34683
1219 * tree-ssa-operands.c (operand_build_cmp): Export.
1220 * tree-ssa-operands.h (operand_build_cmp): Declare.
1221 * tree-vn.c (vuses_compare): Remove.
1222 (sort_vuses): Use operand_build_cmp.
1223 (sort_vuses_heap): Likewise.
1224 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1225 to re-use old VEC if available. Do not sort already sorted VUSEs.
1226 (vdefs_to_vec): Do not sort already sorted VDEFs.
1228 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1231 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1233 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1236 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1237 limitations of reciprocal sequences on x86 targets.
1239 2008-01-08 Richard Guenther <rguenther@suse.de>
1241 PR tree-optimization/34683
1242 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1244 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1247 * config/darwin.c (darwin_mergeable_string_section): Don't use
1248 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1250 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1253 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1254 negxf2. Macroize expander using X87MODEF mode iterator. Change
1255 predicates of op0 and op1 to register_operand.
1256 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1257 expander using X87MODEF mode iterator. Change predicates of
1258 op0 and op1 to register_operand.
1259 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1260 corresponding patterns and macroize using MODEF macro. Change
1261 predicates of op0 and op1 to register_operand and remove
1262 "m" constraint. Disparage "r" alternative with "!".
1263 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1264 macroize using X87MODEF macro. Change predicates of op0 and op1
1265 to register_operand and remove "m" constraint. Disparage "r"
1266 alternative with "!".
1267 (absneg splitter with memory operands): Remove.
1268 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1269 patterns and macroize using X87MODEF mode iterator.
1270 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1271 Change predicate of op1 to register_operand.
1272 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1273 for memory operands.
1275 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1277 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1279 2008-01-07 Richard Guenther <rguenther@suse.de>
1281 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1284 2008-01-07 Richard Guenther <rguenther@suse.de>
1286 PR tree-optimization/34683
1287 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1288 VOPs of the needed size to save memory. Use VEC_quick_push
1289 to save compile-time.
1290 (vdefs_to_vec): Likewise.
1292 2008-01-07 Sa Liu <saliu@de.ibm.com>
1294 * config/spu/spu.md (divdf3): Genetate inline code for double
1295 division. The implementation doesn't handle INF or NAN, therefore it
1296 only applies when -ffinite-math-only is given.
1298 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1301 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1302 * doc/cpp.texi ([Common Predefined Macros]): Document.
1304 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1306 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1307 order to use commutative addition instead of subtraction.
1309 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1310 Mircea Namolaru <namolaru@il.ibm.com>
1311 Vladimir Yanovsky <yanov@il.ibm.com>
1312 Revital Eres <eres@il.ibm.com>
1314 PR tree-optimization/34263
1315 * tree-outof-ssa.c (process_single_block_loop_latch,
1316 contains_tree_r): New functions.
1317 (analyze_edges_for_bb): Call process_single_block_loop_latch
1318 function to empty single-basic-block latch block if possible.
1320 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1322 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1324 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1326 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1328 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1330 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1332 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1334 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1336 PR tree-optimization/34618
1337 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1340 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1343 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1344 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1345 Update copyright year.
1347 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1348 Update copyright year.
1349 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1352 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1354 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1355 edge does not point to current bb before changing need_assert.
1357 2008-01-04 Richard Guenther <rguenther@suse.de>
1360 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1361 for verifying purposes if they are is_gimple_min_invariant.
1363 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1365 PR tree-optimization/34448
1366 PR tree-optimization/34465
1367 * gimplify.c (gimplify_init_constructor): Add new parameter
1368 notify_temp_creation. Use it.
1369 (gimplify_modify_expr_rhs): Take volatiles into account when
1370 optimizing constructors.
1371 Do not optimize constructors if gimplify_init_constructor will dump to
1373 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1374 * gcc.c-torture/compile/pr34448.c: New.
1376 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1378 PR gcov-profile/34609
1379 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1380 return_slot if result is TREE_ADDRESSABLE.
1382 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1384 * config/mips/mips.md (sqrt_condition): Tweak comment.
1385 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1387 2008-01-03 Tom Tromey <tromey@redhat.com>
1390 * c-common.c (c_type_hash): Handle VLAs.
1392 2008-01-03 Jan Hubicka <jh@suse.cz>
1394 PR tree-optimization/31081
1395 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1396 0 when inlining and not inlining to first basic block.
1397 (remap_decl): When var is initialized to 0, don't set default_def.
1398 (expand_call_inline): Set entry_bb.
1399 * tree-inline.h (copy_body_data): Add entry_bb.
1401 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1404 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1407 PR tree-optimization/29484
1408 * tree-inline.c (inline_forbidden_p_2): New function.
1409 (inline_forbidden_p): Disallow inlining if some static var
1410 has an address of a local LABEL_DECL in its initializer.
1411 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1414 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1416 PR tree-optimization/34635
1417 * tree-data-ref.c (add_other_self_distances): Make sure that the
1418 evolution step is constant.
1420 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1423 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1425 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1427 * tree-sra.c (scalarize_init): Insert the generate_element_init
1428 statements after the generate_element_zero statements.
1430 2008-01-02 Richard Guenther <rguenther@suse.de>
1434 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1435 for very large number of operands instead of ICEing.
1437 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1440 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1441 while stack probing.
1443 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1445 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1448 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1451 * tree-mudflap.c (mx_register_decls): Guard warning by
1452 !DECL_ARTIFICIAL check.
1454 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1456 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1457 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1458 sse5_perm<mode>): Fix constraints.