+2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
+
+ * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
+ information attached to non-INSNs such as NOTEs.
+ (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
+
+2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
+ On contraint.
+ * config/s390/s390.md: Adjust comment describing On constraint.
+
+2006-05-11 Jan Hubicka <jh@suse.cz>
+
+ * cgraphunit.c (decide_is_function_needed): Don't force always_inline
+ to be output at -O0.
+
+2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
+
+ PR middle-end/27384
+ * fold-const.c (size_binop): Move sanity check for arguments to
+ the beginning of the function.
+
+ PR middle-end/27488
+ * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
+ expression.
+
+2006-05-11 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/27529
+ * fold-const.c (fold_unary): Handle intermediate conversion
+ to a pointer type like intermediate conversion to an integer
+ type in folding of (T1)(T2)var to var.
+ Match the code to the comment in the final conversion for
+ (T1)(T2)var to (T1)var regarding to type precision. Rather
+ than disallow T1 being of pointer type, assert that both T1
+ and var are of pointer type or not. Make sure not to fall
+ over the frontends lazyness wrt array to pointer decay though.
+
+2006-05-10 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (arm_struct_value_rtx): Delete.
+ (TARGET_STRUCT_VALUE_RTX): Use the default definition.
+ (arm_init_cumulative_args): Always initialize nregs to zero.
+
+2006-05-10 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/27532
+ * tree-object-size.c (plus_expr_object_size): Fix typo.
+
+2006-05-10 Kazu Hirata <kazu@codesourcery.com>
+
+ PR target/24949
+ * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
+ ashrdi_const, ashrdi3): Use a scratch register.
+
+2006-05-10 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/27302
+ * fold-const.c (operand_equal_p): For two comparisons,
+ try comparison of one comparison code swapped if that yields
+ the same code.
+
+2006-05-10 Ben Elliston <bje@au.ibm.com>
+
+ * tree-pretty-print.c (pretty_print_string): No need to handle
+ '\0' as a special character.
+
+ * tree.h: Include "hashtab.h".
+ (iterative_hash_expr): Use hashval_t in its prototype.
+ * Makefile.in (TREE_H): Add $(HASHTAB_H).
+
+2006-05-09 Steve Ellcey <sje@cup.hp.com>
+
+ PR bootstrap/26872
+ * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
+ (hppa*64*-*-hpux11*): Ditto.
+ (hppa[12]*-*-hpux11*): Ditto.
+
+2006-05-09 David Edelsohn <edelsohn@gnu.org>
+
+ PR target/26545
+ * config/rs6000/aix41.h (TARGET_64BIT): Define.
+
+2006-05-09 Michael Matz <matz@suse.de>
+
+ * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
+ host_extra_gcc_objs and host_xmake_file.
+ (<*-*-linux*>): Don't overwrite host_xmake_file.
+ * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
+ * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
+ (host_detect_local_cpu): Declare.
+ (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
+ * config/i386/i386.c (override_options): Handle -mtune=native
+ as -mtune=generic.
+ * config/i386/x-i386: New file.
+ * config/i386/driver-i386.c: New file.
+ * doc/invoke.texi (<i386 and x86-64 Options>): Describe
+ cpu-type "native".
+
+2006-05-09 Dirk Mueller <dmueller@suse.de>
+ Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/27498
+ * fold-const.c (fold_read_from_constant_string): Relax check
+ for matching types to matching modes.
+
+2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/27335
+ * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
+ loops.
+
+2006-05-08 Chao-ying Fu <fu@mips.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
+ (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
+ * config/mips/mips.md (UNSPEC_SCC): New constant.
+ * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
+ * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
+ (mips_emit_compare): Use it.
+ (mips_expand_vcondv2sf): New function.
+
+2006-05-08 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/27093
+ * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
+ renaming when they become not-used_alone.
+
+2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
+ relocation and relocation stubs.
+
+2006-05-08 Eric Christopher <echristo@apple.com>
+
+ * unwind-dw2-fde-darwin.c (examine_objects): Only check data
+ section for ppc.
+
+2006-05-08 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/25962
+ * cgraphunit.c (decide_is_function_needed): When not optimizing even
+ unused static functions are needed.
+
+2006-05-08 Roger Sayle <roger@eyesopen.com>
+
+ PR target/27158
+ * reload.c (find_reloads_toplev): Only return the simplified SUBREG
+ of a reg_equiv_constant if the result is a legitimate constant.
+
+2006-05-08 Uros Bizjak <uros@kss-loka.si>
+
+ PR target/27277
+ * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
+ standard 80387 constants, raise the cost to prevent
+ compress_float_constant() to generate load from memory.
+
+2006-05-08 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/arm/constraints.md (c): Fix a typo.
+
+ * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
+ typos.
+
+2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/24879
+ * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
+ inline function.
+ (_mm_mwait): Likewise.
+
+ * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
+ "mwait".
+ (sse3_monitor): Make it 32bit only.
+ (sse3_monitor64): New. 64bit monitor.
+
+2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
+
+ PR target/27421
+ * config/i386/i386.c (classify_argument): Skip fields with invalid
+ types.
+
+2006-05-07 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/27409
+ * tree-ssa-structalias.c (get_constraint_for_component_ref):
+ Do not try to find zero-sized subvars.
+
+2006-05-07 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/27136
+ * tree-ssa-loop-niter.c (get_val_for): Correct function
+ comment, assert requirements.
+ (loop_niter_by_eval): Stop processing if the iterated
+ value did not simplify.
+
+2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
+
+ * opts.c (flag_see): remove its setting at -O3.
+
+2006-05-07 Richard Earnshaw <rearnsha@arm.com>
+
+ * genpeep.c (main): Make insn-peep.c depend on flags.h.
+ * arm/constraints.md: New file.
+ * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
+ (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
+ (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
+ (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
+ (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
+ (EXTRA_MEMORY_CONSTRAINT): Likewise.
+ * arm.md: Include constraints.md.
+ (thumb_movsi_insn): Use satisfies_constraint_J.
+ (movhi, movqi): Use satisfies_constraint_I.
+
+2006-04-29 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
+ for atmeg a645 device.
+
+2006-05-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/27151
+ * tree-vect-transform.c (vectorizable_condition): Punt on
+ values that have a different type than the condition.
+
+2006-05-03 Aldy Hernandez <aldyh@redhat.com>
+
+ PR/21391
+ * c-parser.c (c_parser_cast_expression): Only insert casts into
+ hash table if pointer.
+ * function.c (used_types_insert_helper): Rename from
+ used_types_insert.
+ (used_types_insert): Call used_types_insert_helper.
+ * function.h (used_types_insert): Accept only one argument.
+
+2006-05-05 David Edelsohn <edesohn@gnu.org>
+
+ * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
+ scratch with output modifier.
+
+2006-05-04 David Edelsohn <edelsohn@gnu.org>
+
+ PR target/26481
+ * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
+ with output modifier.
+
+2006-05-04 Richard Sandiford <richard@codesourcery.com>
+
+ PR target/26765
+ * config/mips/mips.c (mips_symbolic_address_p): Return true
+ for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
+ SYMBOL_GOTTPREL, and SYMBOL_TLS.
+
+2006-05-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/14287
+ PR tree-optimization/14844
+ PR tree-optimization/19792
+ PR tree-optimization/21608
+ PR tree-optimization/27090
+ * tree-ssa-pre.c (try_combine_conversion): New function.
+ (compute_avail): After constructing the value-handle
+ expression, use try_combine_conversion to combine NOP_EXPRs
+ with previous value-handle expressions and use the result if it
+ is available.
+
+2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
+
+ * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
+
+2006-05-04 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/25962
+ * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
+
+2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/predicates.md (const01_rtx): Tell generator programs
+ that this only matches CONST_INTs. All users changed to VOIDmode
+ operands.
+
+ * config/bfin/bfin.c: Include "optabs.h".
+ (bfin_rtx_costs): Some costs for vector operations, to allow combine
+ to do more work.
+ (enum bfin_builtins): Add a number of fractional and vector builtins.
+ (bfin_init_builtins): Likewise.
+ (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
+ (safe_vector_operand, bfin_expand_binop_builtin,
+ bfin_expand_unop_builtin): New functions.
+ (bfin_expand_builtin): Handle the new builtins.
+ * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
+ __ADSPBLACKFIN__.
+
+2006-05-04 Leehod Baruch <leehod@il.ibm.com>
+
+ * see.c: New file.
+ * Makefile.in (OBJS-common): Add see.o.
+ (see.o): Add dependencies.
+ * common.opt (fsee): New flag for the see optimization was added.
+ * opts.c (flag_see): Initialized.
+ * passes.c (init_optimization_passes, pass_see): New pass.
+ * rtl.h (see_main): Declaration as extern.
+ * timevar.def (TV_SEE): New.
+ * tree-pass.h (pass_see): Declaration as extern.
+ * invoke.texi (-fsee): Document.
+ * recog.c (validate_simplify_insn): New function.
+ * recog.h (validate_simplify_insn): Declaration as extern.
+ * df-problems.c (df_chain_dump): Check for NULL.
+
+2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
+ Daniel Berlin <dberlin@dberlin.org>
+
+ * cfgrtl.c (insert_insn_bb_end_new): New function.
+ * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
+
+2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
+
+ * df.h (struct web_entry): Moved from web.c.
+ (union_defs): Declaration as extern.
+ (unionfind_root): Likewise.
+ (unionfind_union): Likewise.
+ * web.c (struct web_entry): Moved to df.h.
+ (unionfind_root): Remove static declaration.
+ (unionfind_union): Likewise.
+ (union_defs): Likewise and generalize to use callback function.
+ (web_main): Update arguments for union_defs function call.
+
+2006-05-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/26447
+ * tree-ssa-pre.c (realify_fake_stores): For necessary loads
+ produce SSA_NAME copies before the store stmt to avoid
+ breaking exception handling.
+
+2006-05-04 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/27388
+ * gimplify.c (omp_is_private): If var is shared in some outer context,
+ return false instead of true. Stop searching on parallel context
+ boundary.
+
+2006-05-03 Alexandre Oliva <aoliva@redhat.com>
+
+ PR java/8260
+ * coverage.c: Use get_gcov_unsigned_t() instead of
+ unsigned_type_node all over.
+
+2006-05-02 Andrew MacLeod <amacleod@redhat.com>
+
+ PR tree-optimization/27381
+ * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
+ maintain the same immediate_use links.
+ * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
+ node rather than segfaulting.
+
+2006-05-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR fortran/27395
+ * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
+ rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
+ bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
+
+2006-05-02 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/26626
+ * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
+ always.
+ * tree-ssa-operands.c (access_can_touch_variable): Allow
+ typecasting through union pointers.
+
+2006-05-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/26943
+ * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
+ (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
+ to find if var will be a global variable even in the nested context.
+ (omp_copy_decl): Only check for global variable at the end, it might
+ be overridden in outer contexts.
+ (scan_sharing_clauses): For global variables don't create a field.
+ (lower_rec_input_clauses): Do nothing for global shared variables.
+ Emit a barrier at the end of ILIST if there were any decls in both
+ firstprivate and lastprivate clauses.
+ (lower_send_clauses): Do nothing for global variables except for
+ COPYIN.
+
+2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree.c (unsigned_type_for, signed_type_for): Make sure a type
+ of the correct signedness is returned.
+
+2006-05-02 Jeff Law <law@redhat.com>
+
+ PR tree-optimization/27364
+ * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
+ multiply expressions.
+
+2006-05-02 Tom Tromey <tromey@redhat.com>
+
+ * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
+
+2006-05-02 Kazu Hirata <kazu@codesourcery.com>
+
+ PR target/27387
+ * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
+ -mthumb -fPIC are used.
+
+2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
+ Joshua Kinard <kumba@gentoo.org>
+
+ PR target/25871
+ * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
+ with 64-bit pointers.
+
+2006-05-02 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (add_minipool_forward_ref): Check if insn
+ and pool overlap.
+ (create_fix_barrier): Check that a suitable barrier location is
+ found.
+ (arm_reorg): Include ftmp->address in allowable range of addresses.
+
+2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
+
+ PR ada/27366
+ * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
+ on Cygwin.
+
2006-05-02 Jakub Jelinek <jakub@redhat.com>
PR middle-end/27337
* basic-block.h (safe_insert_insn_on_edge): Removed.
* cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
-
2006-04-26 David Edelsohn <edelsohn@gnu.org>
Paolo Bonzini <bonzini@gnu.org>
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