X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=gcc%2FChangeLog;h=37e496bc799857847be1a8467871d4c4572dd01c;hp=ca2b7f6a4b6850593f82a80fa20eea30058b3f61;hb=2b4c4ba72e9d18ae01a20c9b95f70868b6d338e3;hpb=c3c620eaed1c621ba5e6d2e29fa7c374a1d76850 diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ca2b7f6a4b6..37e496bc799 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,275 @@ +2010-04-09 Kai Tietz + + * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add + __thiscall and _thiscall as predefined macros. + * config/i386/i386.c (ix86_handle_cconv_attribute): Add + thiscall attribute handling. + (ix86_comp_type_attributes): Likewise. + (ix86_function_regparm): Likewise. + (ix86_return_pops_args): Likewise. + (init_cumulative_args): Likewise. + (find_drap_reg): Likewise. + (ix86_static_chain): Likewise. + (x86_this_parameter): Likewise. + (x86_output_mi_thunk): Likewise. + (ix86_attribute_table): Add description for thiscall attribute. + * config/i386/i386.h (ix86_args): Adjust comment for member + fastcall. + * doc/extend.texi: Add documentation for thiscall. + +2010-04-09 Manuel López-Ibáñez + + PR c++/28584 + * c.opt (Wint-to-pointer-cast): Available in C++. + * doc/invoke.texi (Wint-to-pointer-cast): Available in C++. + +2010-04-08 Eric Botcazou + + * tree.h (TREE_ADDRESSABLE): Document its effect for function types. + * calls.c (expand_call): Pass the function type to aggregate_value_p. + * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on + the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the + function type instead. Reorder and simplify checks. + + * gimplify.c (gimplify_modify_expr_rhs) : New case. + +2010-04-08 Jing Yu + Zdenek Dvorak + + PR tree-optimization/42720 + * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time + loop unswitch conditions here from + (tree_unswitch_single_loop). + +2010-04-08 Sebastian Pop + + * tree-if-conv.c: Fix comments and simplify logic. + +2010-04-08 Sebastian Pop + + * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter. + (tree_if_conversion): Same. Update call to if_convertible_loop_p. + (main_tree_if_conversion): Update call to tree_if_conversion. + +2010-04-08 Manuel López-Ibáñez + + PR 42485 + * doc/invoke.texi (-b,-V): Delete. + * doc/tm.texi: Do not mention -b. + * gcc.c (display_help): Delete -b and -V. + (process_command): Delete -b and -V. + * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V. + +2010-04-08 Christian Borntraeger + Wolfgang Gellerich + + Implement target hook for loop unrolling + * target.h (loop_unroll_adjust): Add a new target hook function. + * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise. + * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it. + * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it. + (s390_loop_unroll_adjust): Implement the new target hook for s390. + * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll target hook + (decide_unroll_stupid): Likewise. + +2010-04-08 Rainer Orth + + PR target/43643 + * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx. + +2010-04-08 Rainer Orth + + * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar. + (Specific, *-*-solaris2*): Likewise. + Don't prefer Sun as over GNU as. + +2010-04-08 Wolfgang Gellerich + + * config/s390/s390.c (override_options): Adjust the z10 + defaults for max-unroll-times, max-completely-peeled-insns + and max-completely-peel-times. + +2010-04-08 Andreas Krebbel + + * config/s390/s390.c (s390_expand_movmem): Issue prefetch + instructions for z10. + (s390_expand_setmem): Likewise. + (s390_expand_cmpmem): Likewise. + +2010-04-08 Richard Guenther + + PR tree-optimization/43679 + * tree-ssa-pre.c (eliminate): Only propagate copies. + +2010-04-08 Jakub Jelinek + + PR bootstrap/43681 + * expr.c (block_move_libcall_safe_for_call_parm): Avoid + set but not used variable warning. + +2010-04-08 Wei Guozhi + + PR target/41653 + * config/arm/arm.c (thumb1_size_rtx_costs): New function. + (arm_size_rtx_costs): Call the new function when optimized for size. + +2010-04-08 Jakub Jelinek + + PR debug/43670 + * cfgexpand.c (expand_debug_expr): If for non-NULL offset + op0 is not a MEM, just return NULL instead of assertion + failure. + (discover_nonconstant_array_refs): Don't walk debug stmts. + +2010-04-08 Doug Kwan + + * configure.ac: Recognize gold and do not use its version number + to test ld features. + * configure: Regenerate. + +2010-04-08 Maxim Kuvyrkov + + PR middle-end/40815 + * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates. + (negate_value): Move code to push elements to broken_up_substracts ... + (eliminate_plus_minus_pair): ... here. Push operands that have no + negative pair to plus_negates. + (repropagate_negates, init_reassoc, fini_reassoc): Update. + +2010-04-07 Ralf Wildenhues + + * doc/install.texi (Configuration): Move description of + --enable-lto, --with-libelf*, --enable-gold from Java section to + general section. + + * doc/generic.texi (Working with declarations) + (Function Properties, C and C++ Trees): Fix typos. + * doc/sourcebuild.texi (Top Level): Likewise. + +2010-04-07 Jakub Jelinek + + PR c/18624 + * tree.h (DECL_READ_P): Define. + (struct tree_decl_common): Add decl_read_flag. + * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue + a set but not used warning. + (merge_decls): Merge DECL_READ_P flag. + (finish_decl, build_compound_literal): Set DECL_READ_P flag. + (finish_function): Issue -Wunused-but-set-parameter diagnostics. + * c-common.c (handle_used_attribute, handle_unused_attribute): + Likewise. + * c-tree.h (default_function_array_read_conversion, mark_exp_read): + New prototypes. + * c-typeck.c (default_function_array_read_conversion, mark_exp_read): + New functions. + (default_conversion, c_process_expr_stmt): Call mark_exp_read. + * c-parser.c (c_parser_initializer, c_parser_expr_no_commas, + c_parser_binary_expression, c_parser_cast_expression, + c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop): + Call default_function_array_read_conversion instead of + default_function_array_conversion where needed. + (c_parser_unary_expression, c_parser_conditional_expression, + c_parser_postfix_expression_after_primary, c_parser_initelt): + Likewise. Call mark_exp_read where needed. + (c_parser_statement_after_labels, c_parser_asm_operands, + c_parser_typeof_specifier, c_parser_sizeof_expression, + c_parser_alignof_expression, c_parser_initval): Call mark_exp_read + where needed. + * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter): + New. + * toplev.c (warn_unused_but_set_variable): Default to warn_unused. + (warn_unused_but_set_parameter): Default to warn_unused + && extra_warnings. + * doc/invoke.texi: Document -Wunused-but-set-variable and + -Wunused-but-set-parameter. + + * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not + used count variable. + * genemit.c (gen_expand, gen_split): Avoid set but not used warnings + when operandN variables aren't used in the body of the expander + or splitter. + * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC, + FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings. + * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise. + * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT, + FOR_EACH_IMM_USE_ON_STMT): Likewise. + * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise. + * tree.c (PROCESS_ARG): Likewise. + +2010-04-07 Simon Baldwin + + * diagnostic.h (diagnostic_override_option_index): New macro to + set a diagnostic's option_index. + * c-tree.h (c_cpp_error): Add warning reason argument. + * opts.c (_warning_as_error_callback): New. + (register_warning_as_error_callback): Store callback for + warnings enabled via enable_warning_as_error. + (enable_warning_as_error): Call callback, minor code tidy. + * opts.h (register_warning_as_error_callback): Declare. + * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in + response to -Werror=. + (c_common_init_options): Register warning_as_error_callback in opts.c. + * common.opt: Add -Wno-cpp option. + * c-common.c (struct reason_option_codes_t): Map cpp warning + reason codes to gcc option indexes. + * (c_option_controlling_cpp_error): New function, lookup the gcc + option index for a cpp warning reason code. + * (c_cpp_error): Add warning reason argument, call + c_option_controlling_cpp_error for diagnostic_override_option_index. + * doc/invoke.texi: Document -Wno-cpp. + +2010-04-07 Richard Guenther + + * ipa-reference.c (mark_load): Use get_base_address. + (mark_store): Likewise. + + * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid + inserting GIMPLE_NOPs into the IL. + * tree-ssa-structalias.c (get_constraint_for_component_ref): + Explicitly strip handled components and indirect references. + + * fold-const.c (fold_unary_loc): Do not strip qualifiers when + folding address expressions. + * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address. + * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use + operand_equal_p to compare decls. + (ptr_deref_may_alias_decl_p): Likewise. + * tree-ssa-operands.c (get_asm_expr_operands): Simplify + * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): + Handle reversed comparison ops. + * tree-sra.c (asm_visit_addr): Use get_base_address. + * ipa-prop.c (visit_store_addr_for_mod_analysis): Use + get_base_address. + * ipa-reference.c (mark_address): Use get_base_address. + +2010-04-07 Richard Guenther + + * tree-ssa-forwprop.c (forward_propagate_addr_expr): + Propagate constants everywhere. + +2010-04-07 Jakub Jelinek + + PR debug/43516 + * tree.c (MAX_INT_CACHED_PREC): Define. + (nonstandard_integer_type_cache): New array. + (build_nonstandard_integer_type): Cache results for precision + <= MAX_INT_CACHED_PREC. + +2010-04-07 Richard Guenther + + * doc/invoke.texi (-fargument-alias, -fargument-noalias, + -fargument-noalias-global, -fargument-noalias-anything): Remove. + * common.opt: Likewise. + * tree-ssa-structalias.c (intra_create_variable_infos): Adjust + comment. + * alias.c (base_alias_check): Remove flag_argument_noalias + handling. + (nonoverlapping_memrefs_p): Likewise. + * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise. + * opts.c (common_handle_option): Handle OPT_fargument_alias, + OPT_fargument_noalias, OPT_fargument_noalias_anything and + OPT_fargument_noalias_global for backward compatibility. + 2010-04-07 Richard Guenther PR tree-optimization/43270