+2008-03-23 Uros Bizjak <ubizjak@gmail.com>
+
+ Revert:
+ 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386-modes.def: Use 4 byte alignment on DI for
+ 32bit host.
+
+ 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/35496
+ * stor-layout.c (update_alignment_for_field): Set minimum alignment
+ of the underlying type of a MS bitfield layout to the natural
+ alignment of the type.
+
+ 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (assign_386_stack_local): Align DImode slots
+ to their natural alignment to avoid store forwarding stalls.
+
+2008-03-22 Richard Guenther <rguenther@suse.de>
+
+ * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
+ For PHI nodes verify the address is invariant.
+ * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
+ (get_symbol_constant_value): Use is_gimple_min_invariant.
+ (maybe_fold_stmt_indirect): Likewise.
+
+2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR rtl-optimization/33927
+ * Makefile.in (dse.o): Depend on $(TM_P_H).
+ * expr.h (extract_low_bits): Declare.
+ * expmed.c (extract_low_bits): New function.
+ * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
+ * dse.c: Include tm_p.h.
+ (find_shift_sequence): Remove the read_reg argument and return the
+ read value. Emit the instructions instead of returning them.
+ Iterate on new_mode rather than calculating it each time.
+ Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
+ source to NEW_MODE and extract_low_bits to convert the shifted
+ value to READ_MODE.
+ (replace_read): Allow the load and store to have different mode
+ classes. Use extract_low_bits when SHIFT == 0. Create the shift
+ or extraction instructions before trying the replacement. Update
+ dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
+
+2008-03-22 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (assign_386_stack_local): Align DImode slots
+ to their natural alignment to avoid store forwarding stalls.
+
+2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR target/27946
+ * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
+ encouraging but not allowing gprs for input;
+ change the input constraint to !f#r.
+ (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
+ gprs for output;
+ change the output constraint to !f#r.
+
+2008-03-21 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/13958
+ * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
+ corresponding post-reload splitters.
+ ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
+ when x87 FP math is selected.
+ * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
+ New function prototype.
+ * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
+ unreachable function to ease macroization of insn patterns.
+
+2008-03-21 Martin Jambor <mjambor@suse.cz>
+
+ * tree-data-ref.c (dump_data_dependence_relation): Avoid data
+ reference dumps if ddr is NULL or dependence is unknown.
+
+2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
+ unsigned extension into account.
+ (ATOMIC_COMPARE_AND_SWAP): Likewise.
+ (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
+ Do computations on a scratch register.
+
+2008-03-21 Richard Guenther <rguenther@suse.de>
+
+ * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
+ Use is_gimple_min_invariant instead of TREE_INVARIANT.
+ * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
+ * tree-ssa-dom.c (record_equality): Likewise.
+ * tree-inline.c (copy_body_r): Likewise.
+ * tree-ssa-pre.c (make_values_for_stmt): Remove test for
+ TREE_INVARIANT.
+
+2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (split_branches): Pass zero to redirect_jump
+ as 'delete_unused' argument.
+
+2008-03-20 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
+ special casing of constant qualifiers.
+ * tree-ssa.c (useless_type_conversion_p_1): Instead do not
+ care about them in general.
+ * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
+ regardless of their type.
+ (fold_stmt_r): Forcefully fold *& if we end up with that.
+
+2008-03-20 Paul Brook <paul@codesourcery.com>
+
+ * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
+ * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
+ linker flags.
+ * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
+ definition.
+ (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
+ * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
+
+2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
+
+ * common.opt (Wmudflap): New option.
+ * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
+ (mx_register_decls): Likewise.
+ (mudflap_finish_file): Likewise.
+ * doc/invoke.texi: Document -Wno-mudflap.
+
+2008-03-20 Kai Tietz <kai.tietz@onevision.com>
+
+ * c-format.c (replace_format_name_to_system_name): New.
+ (cmp_attribs): New.
+ (convert_format_name_to_system_name): New.
+ (decode_format_attr): Add use of convert_format_name_to_system_name.
+ (format_types_orig): Add gnu_ prefix to names.
+ (check_format_info_main): Special treating of \0 escaped names for
+ supporting multi-character format specifiers as I32, I64.
+ (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
+ (gnu_target_overrides_format_attributes): New.
+ * c-format.h: Add structure target_ovr_attr to hold
+ system specific formatter names.
+ * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
+ msformat-c.o file to c_target_objs and cxx_target_objs.
+ * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
+ (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
+ (TARGET_N_FORMAT_TYPES): New.
+ * config/i386/msformat-c.c: New.
+ * config/i386/t-cygming: Add build rule for msformat-c.o.
+ * doc/extend.texi: Add new format names gnu_* and ms_* and
+ further details.
+ * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
+
+2008-03-20 Ira Rosen <irar@il.ibm.com>
+
+ * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
+ optimizations turned on under -O3.
+ (ftree-vectorize): Add that the flag is turned on with -O3.
+
+2008-03-20 Ben Elliston <bje@au.ibm.com>
+
+ * regmove.c (try_auto_increment): Fix spelling error in comment.
+ * final.c (final_scan_insn): Likewise.
+
+2008-03-20 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/14552
+ * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
+ allocator preferences for "y" and "r" class registers.
+ ("*mov<mode>_internal"): Ditto.
+ ("*movv2sf_internal_rex64"): Ditto.
+ ("*movv2sf_internal"): Ditto.
+
+2008-03-19 Michael Matz <matz@suse.de>
+
+ PR middle-end/35616
+ * calls.c (expand_call): Check overlap of arguments with call
+ address for sibcalls.
+
+2008-03-19 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/35496
+ * stor-layout.c (update_alignment_for_field): Set minimum alignment
+ of the underlying type of a MS bitfield layout to the natural
+ alignment of the type.
+
+2008-03-19 Jan Hubicka <jh@suse.cz>
+
+ PR other/35094
+ * toplev.c (decode_d_option): Handle all CPP flags.
+ * tree-vrp.c: Update tree_pass descriptors.
+ * regrename.c: Update tree_pass descriptors.
+ * fwprop.c: Update tree_pass descriptors.
+ * doc/invoke.texi: Remove documentation of dropped -d? flags.
+ * tree-into-ssa.c: Update tree_pass descriptors.
+ * tree-dump.c: Update tree_pass descriptors.
+ * tree-complex.c: Update tree_pass descriptors.
+ * tree-dump.h: Update tree_pass descriptors.
+ * see.c: Update tree_pass descriptors.
+ * cgraphbuild.c: Update tree_pass descriptors.
+ * tracer.c: Update tree_pass descriptors.
+ * tree-loop-distribution.c: Update tree_pass descriptors.
+ * cgraph.c: Update tree_pass descriptors.
+ * postreload-gcse.c: Update tree_pass descriptors.
+ * postreload.c: Update tree_pass descriptors.
+ * tree-ssa-loop-ch.c: Update tree_pass descriptors.
+ * tree-tailcall.c: Update tree_pass descriptors.
+ * tree-pass.h (tree_opt_pass): Rename to ...
+ (opt_pass) ... this one; add "type" field and remove letter field.
+ (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
+ (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
+ all_lowering_passes): Update declaration.
+ * ipa-cp.c: Update tree_pass descriptors.
+ * final.c: Update tree_pass descriptors.
+ * omp-low.c: Update tree_pass descriptors.
+ * tree-ssa-dse.c: Update tree_pass descriptors.
+ * ipa-reference.c: Update tree_pass descriptors.
+ * tree-ssa-uncprop.c: Update tree_pass descriptors.
+ * auto-inc-dec.c: Update tree_pass descriptors.
+ * reorg.c: Update tree_pass descriptors.
+ * cgraphunit.c: Update tree_pass descriptors.
+ * tree-ssa-copyrename.c: Update tree_pass descriptors.
+ * tree-ssa-ccp.c: Update tree_pass descriptors.
+ * df-core.c: Update tree_pass descriptors.
+ * mode-switching.c: Update tree_pass descriptors.
+ * tree-nomudflap.c: Update tree_pass descriptors.
+ * modulo-sched.c: Update tree_pass descriptors.
+ * ipa-pure-const.c: Update tree_pass descriptors.
+ * cse.c: Update tree_pass descriptors.
+ * web.c: Update tree_pass descriptors.
+ * tree-stdarg.c: Update tree_pass descriptors.
+ * tree-ssa-math-opts.c: Update tree_pass descriptors.
+ * tree-ssa-dom.c: Update tree_pass descriptors.
+ * tree-nrv.c: Update tree_pass descriptors.
+ * tree-ssa-alias.c: Update tree_pass descriptors.
+ * loop-init.c: Update tree_pass descriptors.
+ * gimple-low.c: Update tree_pass descriptors.
+ * ipa-inline.c: Update tree_pass descriptors.
+ * tree-ssa-sink.c: Update tree_pass descriptors.
+ * global.c: Update tree_pass descriptors.
+ * ifcvt.c: Update tree_pass descriptors.
+ * jump.c: Update tree_pass descriptors.
+ * predict.c: Update tree_pass descriptors.
+ * tree-ssa-loop.c: Update tree_pass descriptors.
+ * recog.c: Update tree_pass descriptors.
+ * dse.c: Update tree_pass descriptors.
+ * tree-ssa-ifcombine.c: Update tree_pass descriptors.
+ * tree-eh.c: Update tree_pass descriptors.
+ * regmove.c: Update tree_pass descriptors.
+ * local-alloc.c
+ * function.c: Update tree_pass descriptors.
+ * tree-vectorizer.c: Update tree_pass descriptors.
+ * gcse.c: Update tree_pass descriptors.
+ * ipa-type-escape.c: Update tree_pass descriptors.
+ * tree-if-conv.c: Update tree_pass descriptors.
+ * init-regs.c: Update tree_pass descriptors.
+ * ipa.c: Update tree_pass descriptors.
+ * tree-ssa-phiopt.c: Update tree_pass descriptors.
+ * rtl-factoring.c: Update tree_pass descriptors.
+ * lower-subreg.c: Update tree_pass descriptors.
+ * bt-load.c: Update tree_pass descriptors.
+ * tree-dfa.c: Update tree_pass descriptors.
+ * except.c: Update tree_pass descriptors.
+ * emit-rtl.c: Update tree_pass descriptors.
+ * cfgexpand.c: Update tree_pass descriptors.
+ * tree-cfgcleanup.c: Update tree_pass descriptors.
+ * cfgcleanup.c: Update tree_pass descriptors.
+ * tree-ssa-pre.c: Update tree_pass descriptors.
+ * tree-sra.c: Update tree_pass descriptors.
+ * tree-mudflap.c: Update tree_pass descriptors.
+ * tree-ssa-copy.c: Update tree_pass descriptors.
+ * cfglayout.c: Update tree_pass descriptors.
+ * tree-ssa-forwprop.c: Update tree_pass descriptors.
+ * tree-ssa-dce.c: Update tree_pass descriptors.
+ * tree-ssa.c: Update tree_pass descriptors.
+ * regclass.c: Update tree_pass descriptors.
+ * integrate.c: Update tree_pass descriptors.
+ * tree-optimize.c: Update tree_pass descriptors.
+ * tree-ssa-phiprop.c: Update tree_pass descriptors.
+ * tree-object-size.c: Update tree_pass descriptors.
+ * combine.c: Update tree_pass descriptors.
+ * tree-outof-ssa.c: Update tree_pass descriptors.
+ * bb-reorder.c: Update tree_pass descriptors.
+ * stack-ptr-mod.c: Update tree_pass descriptors.
+ * var-tracking.c: Update tree_pass descriptors.
+ * tree-profile.c: Update tree_pass descriptors.
+ * tree-vect-generic.c: Update tree_pass descriptors.
+ * reg-stack.c: Update tree_pass descriptors.
+ * sched-rgn.c: Update tree_pass descriptors.
+ * tree-ssa-structalias.c: Update tree_pass descriptors.
+ * tree-cfg.c: Update tree_pass descriptors.
+ * passes.c (current_pass): Update declaration.
+ (finish_optimization_passes): Update.
+ (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
+ (register_one_dump_file, register_dump_files_1, next_pass_1):
+ Update arguments.
+ (init_optimization_passes): Update handling of new types.
+ (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
+ * ipa-struct-reorg.c: Update tree_pass descriptors.
+ * tree-ssa-reassoc.c: Update tree_pass descriptors.
+ * combine-stack-adj.c: Update tree_pass descriptors.
+ * cfgrtl.c: Update tree_pass descriptors.
+ * dce.c: Update tree_pass descriptors.
+ * tree-ssanames.c: Update tree_pass descriptors.
+
+2008-03-19 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/35609
+ * tree-ssa.c (always_executed): New global flag.
+ (warn_uninitialized_var): If !always_executed warn with "maybe"
+ instead of "is".
+ (execute_early_warn_uninitialized): Compute post-dominators.
+ Initialize always_executed before processing each basic block.
+
+2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
+
+ PR target/35504
+ * config/i386/i386.c (x86_this_parameter): Calculate correct location
+ of "this" pointer when "regparm = N" or "fastcall" is in effect.
+
+2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * doc/include/texinfo.tex: Update to version 2008-03-17.10.
+
+2008-03-18 Paolo Bonzini <bonzini@gnu.org>
+
+ * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
+ is true.
+ (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
+ (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
+ is true. Add "&& !ignore" condition to reduce_bit_field. Modify
+ target after ignore has been set, and move there also the commputation
+ of subtarget and original_target.
+ * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
+ (LANG_HOOKS_INITIALIZER): Remove it.
+ * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
+
+2008-03-18 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
+ found an expression with constants, note that in the VN for the lhs.
+ * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
+ fold them to constants if possible. Run cleanup_cfg if done so.
+ (execute_pre): Return todo.
+ (do_pre): Likewise.
+ (execute_fre): Likewise.
+ * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
+ of constants.
+ (get_prop_source_stmt): Look through pointer conversions.
+
+2008-03-18 Jan Hubicka <jh@suse.cz>
+
+ * tree-pretty-print.c: Include predict.h.
+ (dump_generic_node): Dump predictor.
+ * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
+ * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
+ * gimple-low.c (lower_stmt): Likewise.
+ * expr.c (expand_expr_real): Likewise.
+ * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
+ them.
+ (build_predict_expr, build_predict_expr): New.
+ * predict.h (predictor_name, build_predict_expr): Update.
+ * c-typeck.c (c_finish_bc_stmt): Add prediction.
+ * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
+ * predict.def (PRED_CONTINUE): Update hitrate.
+ * tree.def (PREDICT_EXPR): Define.
+ * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
+ do not handle BIND_EXPR.
+ * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
+ * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
+ * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
+ operands.
+
+2008-03-18 Michael Matz <matz@suse.de>
+
+ * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
+
+2008-03-18 Richard Guenther <rguenther@suse.de>
+
+ * tree-gimple.h (is_gimple_invariant_address): Declare.
+ (is_gimple_constant): Likewise.
+ * tree-gimple.c (is_gimple_constant): New function.
+ (is_gimple_invariant_address): Likewise.
+ (is_gimple_min_invariant): Implement in terms of is_gimple_constant
+ and is_gimple_invariant_address.
+ * tree-ssa-loop-niter.c (expand_simple_operations): Revert
+ previous change.
+ * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
+ an addressable base.
+
2008-03-18 Jakub Jelinek <jakub@redhat.com>
PR middle-end/35611
(maybe_fold_stmt_addition): Likewise.
2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
- Anatoly Sokolov <aesok@post.ru>
+ Anatoly Sokolov <aesok@post.ru>
* gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
(avr_arch): Add ARCH_AVR6.
PR target/35540
* config/i386/i386.md (paritysi2, paritydi2): Use register_operand
- constraint for operand 1.
- (paritysi2_cmp): Use register_operand constraint for operand 2.
+ predicate for operand 1.
+ (paritysi2_cmp): Use register_operand predicate for operand 2.
Use earlyclobber modifier for operand 1. Remove support for
memory operands.
- (paritydi2_cmp): Use register_operand constraint for operand 3.
+ (paritydi2_cmp): Use register_operand predicate for operand 3.
Use earlyclobber modifier for operand 1. Remove support for
memory operands.
2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
* config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
- label to probe the stack.
+ label to probe the stack.
2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
- PR 26264
+ PR 26264
* builtins.def (BUILT_IN_STDARG_START): Remove.
* builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
* tree-stdarg.c (execute_optimize_stdarg): Likewise.
PR fortran/29549
* doc/invoke.texi (-fcx-limited-range): Document new option.
* toplev.c (process_options): Handle -fcx-fortran-rules.
- * common.opt: Add documentation for -fcx-fortran-rules.
+ * common.opt: Add documentation for -fcx-fortran-rules.
2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
2008-02-17 Uros Bizjak <ubizjak@gmail.com>
Revert:
-
2008-02-15 Uros Bizjak <ubizjak@gmail.com>
* config/i386/sfp-machine.h (CMPtype): Define as typedef using
libgcc_cmp_return mode.