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* gimplify.c (mostly_copy_tree_r): Don't attempt to copy decls.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index a294e94..5196058 100644 (file)
@@ -1,3 +1,316 @@
+2004-05-21  Richard Henderson  <rth@redhat.com>
+
+       * gimplify.c (mostly_copy_tree_r): Don't attempt to copy decls.
+       (copy_if_shared_r): Don't copy decls, types, constants, BINDs.
+       Don't mark VA_ARG_EXPRs volatile here.
+       (gimplify_modify_expr): Unshare TYPE_SIZE_UNIT.
+
+2004-05-21  Richard Henderson  <rth@redhat.com>
+
+       * Makefile.in (tree-dump.o): Depend on tree-iterator.h.
+       * tree-dump.c (dequeue_and_dump): Dump STATEMENT_LISTs.
+
+2004-05-21  Roger Sayle  <roger@eyesopen.com>
+
+       * fold-const.c (fold, fold_relational_hi_lo,
+       nondestructive_fold_binary_to_constant,
+       fold_read_from_constant_string): Use fold_convert instead of convert.
+       * builtins.c (simplify_builtin, simplify_builtin_strstr,
+       simplify_builtin_strchr, simplify_builtin_strrchr,
+       simplify_builtin_strpbrk): Use fold_convert instead of convert.
+
+2004-05-21  Diego Novillo  <dnovillo@redhat.com>
+
+       * tree-flow-inline.h (num_immediate_uses): Don't abort if DF
+       is NULL.
+
+2004-05-21  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): If SPARC_BI_ARCH,
+       override sparc.h definition.
+
+2004-05-20  Roger Sayle  <roger@eyesopen.com>
+
+       * tree.c (array_type_nelts, save_expr, substitute_in_expr,
+       get_unwidened, get_narrower): Replace build with build2.
+       * fold-const.c (negate_expr, associate_trees, size_binop,
+       fold_convert, eval_subst, omit_one_operand, invert_truthvalue,
+       pedantic_omit_one_operand, distribute_bit_expr,
+       make_bit_field_ref, optimize_bit_field_compare,
+       decode_field_reference, range_binop, make_range,
+       build_range_check, fold_range_test, fold_truthop,
+       optimize_minmax_comparison, extract_muldiv_1, 
+       fold_binary_op_with_conditional_arg, fold_mathfn_compare,
+       fold_inf_compare, fold_single_bit_test, fold,
+       fold_relational_hi_lo, nondestructive_fold_binary_to_constant):
+       Likewise replace build with either build2 or build3.
+
+2004-05-20  Paul Brook  <paul@codesourcery.com>
+
+       * unwind-dw2-fde.c (get_cie_encoding): Handle dwarf3 CIE format.
+       * unwind-dw2.c (extract_cie_info): Ditto.
+       (_Unwind_FrameState): Change retaddr_column to word type.
+
+2004-05-20  Roger Sayle  <roger@eyesopen.com>
+
+       PR middle-end/3074
+       * fold-const.c (strip_compound_expr): Delete function.
+       (count_cond): Delete function.
+       (fold_binary_op_with_conditional_arg): Only perform transformations
+       "a + (b?c:d) -> b ? a+c : a+d" and "(b?c:d) + a -> b ? c+a : d+a"
+       when a is constant.  This greatly simplifies this routine.
+
+       * tree.c (saved_expr_p): Delete function.
+       * tree.h (saved_expr_p): Delete function prototype.
+
+2004-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       * common.opt (ftree-loop-optimize): Remove.
+
+2004-05-20  Daniel Jacobowitz  <dan@debian.org>
+
+       * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET)
+       (NM_FOR_TARGET): Use := and $(shell).
+       (mainversion): Remove unused variable.
+
+2004-05-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+       * reorg.c (delete_from_delay_slot): If we have a barrier after the
+       sequence containing the insn to be deleted, always reemit it.
+
+2004-05-20  Richard Henderson  <rth@redhat.com>
+
+       PR 15454
+       * tree-nested.c (get_chain_decl): Create a PARM_DECL by hand.
+       * function.c (expand_function_start): Expand static_chain_decl by hand.
+       * gimplify.c (create_tmp_var_name): Export.
+       * tree-gimple.h (create_tmp_var_name): Declare.
+
+2004-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       * rs6000.c (print_operand) <case 'z'>: Call
+       mark_decl_referenced before assemble_name.
+
+2004-05-20  Zack Weinberg  <zack@codesourcery.com>
+
+       * cgraph.c (hash_node, eq_node, cgraph_node, cgraph_remove_node)
+       (cgraph_varpool_hash_node, eq_cgraph_varpool_node)
+       (cgraph_varpool_node): Hash on the pointer to the decl, not
+       the DECL_UID.  Fixes 64-bit bootstrap failure.
+
+2004-05-20  Richard Earnshaw <rearnsha@arm.com>
+
+       * arm.md (ite_ne_zeroextractsi, ite_ne_zeroextractsi_shifted): Ensure
+       we don't earlyclobber operands used in the second insn.
+
+2004-05-20  Steven Bosscher  <stevenb@suse.de>
+
+       * tree-mudflap.c: Formatting fixes.
+
+2004-05-20  J"orn Rennecke <joern.rennecke@superh.com>
+
+       * Makefile.in (GTFILES): Add $(srcdir)/reload.h.
+       * gengtype.c (open_base_files): Include reload.h in ifiles.
+       * reload.h (reg_equiv_memory_loc_varray): Declare.
+       * reload1.c (reg_equiv_memory_loc_varray): New variable.
+       (init_reload): Initialize it.
+       (reload): Instead of freeing reg_equiv_memory_loc, 'grow'
+       reg_equiv_memory_loc_varray to size 0.
+       * ra.c (reg_alloc): Allocate reg_equiv_memory_loc by
+       growing reg_equiv_memory_loc_varray to the desired size.
+       * passes.c (rest_of_handle_old_regalloc): Likewise.
+       * reload.c: Amend comment on calling init_reload.
+
+2004-05-20  Nick Clifton  <nickc@redhat.com>
+
+       * config/c4x/c4x.h (INITIALIZE_TRAMPOLINE): Replace 'tramp'
+       with 'TRAMP' in the body of the macro definition.
+
+2004-05-19  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR target/15383
+       * config/ia64/ia64.c (ia64_expand_compare): Don't check
+       TARGET_HPUX for TFmode compare. Abort if op0 is in TFmode and
+       cmptf_libfunc isn't set.
+       (ia64_init_libfuncs): Rename TFmode libfuncs using the HPUX
+       conventions.
+       (ia64_sysv4_init_libfuncs): New.
+
+       * config/ia64/sysv4.h (TARGET_INIT_LIBFUNCS): New. Defined as
+       ia64_sysv4_init_libfuncs.
+
+2004-05-20  Falk Hueffner  <falk@debian.org>
+
+       PR other/15526
+       * libgcc2.c (__mulvsi3): Fix overflow test.
+
+2004-05-19  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       PR c/14171
+       * reg-stack.c (nan): Rename to ...
+       (not_a_num): Here.
+       (reg_to_stack): Rename nan to not_a_num.
+       (subst_stack_regs_pat): Likewise.
+       (convert_regs_entry): Likewise.
+       (convert_regs_1): Likewise.
+
+       * tree-cfg.c (find_case_label_for_value): Replace call to
+       simple_cst_equal with tree_int_cst_equal.
+
+2004-05-19  Jeff Law <law@redhat.com>
+
+       * tree-into-ssa.c (prepare_operand_for_rename): New argument is_use.
+       If the operand is for a use, then strip away the SSA_NAME, do not
+       strip away the SSA_NAME for a set.  Never call release_ssa_name.
+       (mark_def_sites): Appropriately pass additional argument to
+       prepare_operand_for_rename.  If a VDEF_RESULT is not an SSA_NAME,
+       then set the VDEF_RESULT to the VDEF_OP.
+       (set_def_block): Strip away any SSA_NAME to get to the real
+       underlying variable.
+
+       * tree-ssa-phiopt.c (value_replacement): Handle the case where
+       the desired edge out of COND_BLOCK reaches OTHER_BLOCK rather than
+       BB directly.
+
+2004-05-19  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
+
+       PR c++/15463
+       * loop-iv.c (iv_number_of_iterations):  Use trunc_int_for_mode on
+       result of inverse.
+
+       PR rtl-optimization/15274
+       * loop-iv.c (determine_max_iter, shorten_into_mode,
+       iv_number_of_iterations): Handle constants correctly.
+       * rtl.h (get_mode_bounds): Declaration changed.
+       * stor-layout.c (get_mode_bounds): Return a constant suitable for
+       the target mode.
+
+       PR rtl-optimization/14692
+       * loop-unswitch.c (may_unswitch_on): Try folding the result.
+       (unswitch_single_loop): Work correctly when may_unswitch_on
+       returns a folded constant.
+
+       * loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
+       * simplify-rtx.c (simplify_const_relational_operation): Optimize
+       comparisons with mode bounds.
+
+       * function.c (struct temp_slot): Add new field prev.
+       (free_after_compilation, init_temp_slots): Free new fields.
+       (cut_slot_from_list, insert_slot_to_list,
+       temp_slots_at_level, max_slot_level, move_slot_to_level,
+       make_slot_available): New functions.
+       (assign_stack_temp_for_type, combine_temp_slots,
+       find_temp_slot_from_address, preserve_temp_slots,
+       preserve_rtl_expr_result, free_temp_slots,
+       free_temps_for_rtl_expr, pop_temp_slots): Work with
+       the new structure of lists.
+       (mark_all_temps_used): Removed.
+       * function.h (struct function): Field x_temp_slots
+       replaced by x_used_temp_slots and x_avail_temp_slots.
+       (temp_slots): Replaced by ...
+       (used_temp_slots, avail_temp_slots): New.
+       * tree.h (mark_all_temps_used): Declaration removed.
+
+       * loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
+       simplify_using_assignment): Take the expression out of
+       the expr_list wrapper.
+
+       * loop-iv.c (iv_number_of_iterations): Improve clasification of
+       infinite loops.
+
+2004-05-19  Roger Sayle  <roger@eyesopen.com>
+
+       * doc/tm.texi (TARGET_RTX_COSTS): Document that instruction
+       costs should be based on code size when optimizing for size.
+
+2004-05-19  Paolo Bonzini  <bonzini@gnu.org>
+
+       * fold-const.c: Remove non-printable character 160.
+
+2004-05-19  Nick Clifton  <nickc@redhat.com>
+
+       * doc/invoke.texi (ARM Options): Fix typo.
+       Remove descrption of -mshort-load-bytes and
+       -mno-short-load-bytes.
+
+       * config/ip2k/ip2k.c (ip2k_composite_xexp_not_uses_reg_p): Add
+       missing parenthesis.
+       * config/ip2k/ip2k.c (ip2k_unary_operator): Likewise.
+       * config/ip2k/ip2k.c (ip2k_binary_operator): Likewise.
+
+2004-05-19  Steven Bosscher  <stevenb@suse.de>
+
+       * expr.c (store_constructor): Build loop start and end by hand
+       instead of via loop functions from stmt.c.
+       (expand_expr_real_1): Abort if we see an EXIT_EXPR or a LOOP_EXPR.
+       Remove the code to expand them.
+
+       * stmt.c (loop_stack): Remove this and everything related.
+       (struct nesting, enum nesting_desc): Update.
+       (expand_fixup): Likewise.
+       (expand_loop_start, expand_start_loop_continue_elsewhere,
+       expand_start_null_loop, expand_loop_continue_here, expand_end_loop,
+       expand_end_null_loop, expand_continue_loop, expand_exit_loop,
+       expand_exit_loop_if_false, expand_exit_loop_top_cond,
+       expand_exit_something): Remove.
+       * tree.h: Remove prototypes.
+
+2004-05-18  Mike Stump  <mrs@apple.com>
+           Devang Patel  <dpatel@apple.com>
+
+       * doc/tm.texi (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument to indicate
+       if this label is for eh.
+       * config/darwin-protos.h (darwin_emit_unwind_label): Likewise.
+       * config/darwin.c (darwin_emit_unwind_label): Likewise.
+       * dwarf2out.c (output_call_frame_info): Likewise.
+       * output.h (default_emit_unwind_label): Likewise.
+       * target.h (unwind_label): Likewise.
+       * varasm.c (default_emit_unwind_label): Likewise.
+
+       * config/darwin.h (DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE,
+       DEBUG_FRAME_SECTION, DEBUG_INFO_SECTION, DEBUG_ABBREV_SECTION,
+       DEBUG_ARANGES_SECTION, DEBUG_MACINFO_SECTION, DEBUG_LINE_SECTION,
+       DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_STR_SECTION,
+       DEBUG_RANGES_SECTION): Define.
+
+2004-05-18  Zack Weinberg  <zack@codesourcery.com>
+
+       * cgraph.c (hash_node, eq_node, cgraph_node, cgraph_remove_node)
+       (cgraph_varpool_hash_node, eq_cgraph_varpool_node)
+       (cgraph_varpool_node):
+       Use DECL_UID for the key, not DECL_ASSEMBLER_NAME.
+       (cgraph_function_possibly_inlined_p): Use the decl itself for
+       the key, not DECL_ASSEMBLER_NAME.
+       (change_decl_assembler_name): No need to muck with the hash tables.
+       (cgraph_node_for_identifier, cgraph_varpool_node_for_identifier):
+       Delete.
+       * cgraphunit.c (cgraph_mark_inline_edge): Use the decl itself
+       for the key, not DECL_ASSEMBLER_NAME.
+       * cgraph.h: Remove prototypes of deleted functions.
+       * varasm.c (mark_referenced): Just set TREE_SYMBOL_REFERENCED.
+       (mark_decl_referenced): New function.
+       * tree.h: Prototype mark_decl_referenced.
+       * final.c (output_addr_const) <case SYMBOL_REF>: Call
+       mark_decl_referenced before assemble_name.
+       * c-decl.c (finish_decl): Use mark_decl_referenced.
+
+2004-05-18  Andrew Pinski  <pinskia@physics.uc.edu>
+           Jeff Law <law@redhat.com>
+
+       * tree-ssa-phiopt.c (abs_replacement): New function.
+       (empty_block_p): New function extracted from...
+       (candidate_bb_for_phi_optimization): Break out empty block test.
+       (conditional_replacement): Use empty_block_p.
+       (value_replacement): Similarly.
+
+       * Makefile.in (tree-ssa-phiopt.o): Depends on flags.h.
+       * tree-ssa-phiopt.c: Include flags.h.
+       (conditional_replacement): Remove argument names from prototype.
+       Minor formatting and comment fixes.
+       (tree_ssa_phiopt): If conditional_replacement returns false, then
+       call value_replacement.
+       (value_replacement): New function.
+
 2004-05-18  Jeff Law  <law@redhat.com>
 
        * tree-ssa-phiopt.c (replace_phi_with_stmt): New function extracted