+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
+ from conditional_replacement.
+ (candidate_bb_for_phi_optimization): Similarly.
+ (conditional_replacement): Use replace_phi_with_stmt and
+ candidate_bb_for_phi_optimization.
+
+ * tree-ssa-phiopt.c: Fix various formatting issues.
+
+2004-05-18 Steven Bosscher <stevenb@suse.de>
+
+ * config/s390/s390.c (s390_expand_movstr, s390_expand_clrstr,
+ s390_expand_cmpmem): Do not use expand_start_loop and
+ expand_end_loop, instead build the loop manually.
+
+2004-05-18 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/rs6000.md (ctrsi_internal3): Delete.
+ (ctrsi_internal4, ctrdi_internal3, ctrdi_internal4): Delete.
+
+2004-05-17 Jeff Law <law@redhat.com>
+
+ * toplev.h (flag_delete_null_pointer_checks): Move from here to...
+ * flags.h (flag_delete_null_pointer_checks): Here.
+ * tree-flow.h (cprop_into_successor_phis): Add argument to prototype.
+ * tree-phinodes.c (resize_phi_node): Initialize PHI_ARG_NONZERO.
+ (add_phi_arg, remove_phi_arg_num): Similarly.
+ * tree-ssa-copy.c (cprop_into_successor_phis): Propagate nonzero
+ property into PHI nodes.
+ * tree-ssa-dom.c: Remove redundant inclusion of flags.h.
+ (record_equivalences_from_phis): If all PHI arguments are known to be
+ nonzero, then the result must be nonzero as well.
+ (cprop_into_phis): Pass nonzero_vars bitmap to cprop_into_successor_phis.
+ (record_equivalences_from_stmt): Check flag_delete_null_pointer_checks
+ appropriately. Walk the USE-DEF chains and propagate nonzero property
+ as appropriate.
+ * tree.h (PHI_ARG_NONZERO): Define.
+ (phi_arg_d): Add nonzero flag.
+
+2004-05-17 Zack Weinberg <zack@codesourcery.com>
+
+ * f: Entire directory removed
+
+ * c-common.h (CTI_G77_INTEGER_TYPE, CTI_G77_UINTEGER_TYPE)
+ (CTI_G77_LONGINT_TYPE, CTI_G77_ULONGINT_TYPE)
+ (g77_integer_type_node, g77_uinteger_type_node)
+ (g77_longint_type_node, or g77_ulongint_type_node): Delete.
+ * c-common.c (c_common_nodes_and_builtins): Do not initialize
+ the above set of variables.
+
+ * config/i386/uwin.h: No need to define WIN32_UWIN_TARGET.
+ * doc/invoke.texi, doc/standards.texi: Remove cross-references
+ to g77 manual.
+
+2004-05-17 Steven Bosscher <stevenb@suse.de>
+
+ PR tree-optimization/15438
+ * tree-ssa-operands.c (get_expr_operands): Do not treat malloc
+ attributed functions as pure or const.
+
+2004-05-17 Frank Ch. Eigler <fche@redhat.com>
+
+ * tree-mudflap.c (mx_register_decls): Tolerate decl trees resulting
+ from source code with errors.
+
+2004-05-17 Ranjit Mathew <rmathew@hotmail.com>
+
+ Enable tree browser for all front ends.
+ * Makefile.in (cc1): Moved @TREEBROWSER@ from here...
+ (BACKEND): ...to here.
+
+2004-05-17 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (construct_container): Do not produce BLKmode registers.
+ (classify_argument): Properly compute alignment of complex types.
+
+2004-05-17 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/15084
+ * config/i386/i386.md (*movsi_insv_1_rex64): Changed to DImode
+ and renamed to movdi_insv_1_rex64.
+ (insv): Support SImode for 32bit and DImode for 64bit.
+
+2004-05-17 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/mips.h (MASK_DEBUG_G, TARGET_DEBUG_G_MODE): Delete.
+ (TARGET_SWITCHES): Remove debugg.
+ * config/mips/mips.md (adddi3, ashldi3, ashrdi3, lshrdi3): Only handle
+ TARGET_64BIT.
+ (subdi3): Replace the define_expand with a define_insn, the latter
+ renamed from subdi3_internal_3.
+ (negdi2): Likewise negdi2_internal_2.
+ (adddi3_internal_[12], subdi3_internal, ashldi3_internal{,2,3})
+ (ashrdi3_internal{,2,3}, lshrdi3_internal{,2,3}): Remove patterns
+ and associated define_splits.
+ (adddi3_internal): Renamed from adddi3_internal_3.
+ (ashldi3_internal): Likewise ashldi3_internal4.
+ (ashrdi3_internal): Likewise ashrdi3_internal4.
+ (lshrdi3_internal): Likewise lshrdi3_internal4.
+
+2004-05-17 Richard Sandiford <rsandifo@redhat.com>
+
+ * optabs.c (expand_unop): Try implementing negation using subtraction
+ from zero.
+
+2004-05-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.md: Fix typo from last change. Remove DFmode move to and from
+ SAR register.
+
+2004-05-16 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/10982
+ * arm.md (ne_zeroextractsi): Convert to insn-and-split.
+ (ne_zeroextractsi_shifted): New pattern.
+ (ite_ne_zeroextractsi): New pattern.
+ (ite_ne_zeroextractsi_shifted): New pattern.
+
+2004-05-15 Steven Bosscher <stevenb@suse.de>
+
+ * c-gimplify.c (c_genericize):
+ Replace calls via (*lang_hooks.foo) with lang_hooks.foo.
+ * c-parse.in <expr_no_commas>: Likewise.
+ <if_prefix>: Likewise.
+ <select_or_iter_stmt>: Likewise.
+ * expr.c (expand_var, expand_expr_real_1): Likewise.
+ * expr.h (expand_expr): Make it a static inline function.
+ Move prototype for expand_expr_real up before this.
+ * fold-const.c (fold_relational_hi_lo, fold_relational_const):
+ Likewise.
+ * gimplify.c (gimple_boolify, gimplify_addr_expr,
+ gimplify_asm_expr, gimplify_expr): Likewise.
+ * tree-cfg.c (dump_tree_cfg, dump_cfg_stats, tree_cfg2vcg,
+ dump_function_to_file): Likewise.
+ * tree-dfa.c (dump_immediate_uses, dump_dfa_stats): Likewise.
+ * tree-inline.c (remap_block, save_body, walk_tree): Likewise.
+ * tree-into-ssa.c (dump_tree_ssa): Likewise.
+ * tree-mudflap.c (mf_varname_tree, mf_file_function_line_tree):
+ Likewise.
+ * tree-optimize.c (execute_one_pass): Likewise.
+ * tree-pretty-print.c (dump_generic_bb_buff): Likewise.
+ * tree-ssa-alias.c (dump_alias_stats, dump_alias_info): Likewise.
+
+ * objc/objc-act.c (objc_build_try_enter_fragment,
+ objc_build_try_epilogue, objc_build_catch_stmt,
+ objc_build_finally_prologue): Replace calls via (*lang_hooks.foo)
+ with lang_hooks.foo ().
+
+2004-05-15 Roger Sayle <roger@eyesopen.com>
+
+ * builtins.c (simplify_builtin_strcpy): Avoid use of chainon, so
+ that simplify_builtin doesn't destructively modify its argument.
+
+2004-05-15 Richard Earnshaw <reanrsha@arm.com>
+
+ * arm/lib1funcs.asm (_lshrdi3, _ashrdi3, _ashldi3): Add ASM
+ implementations for ARM and Thumb.
+ * arm/t-arm-elf (LIB1ASMFUNCS): Use them.
+
+2004-05-15 Thomas Quinot <quinot@act-europe.fr>
+
+ * prefix.c (update_path): Replace PREFIX with KEY only
+ when it matches a full directory name in PATH.
+
2004-05-15 Richard Earnshaw <reanrsha@arm.com>
* arm.h (TARGET_APCS_32): Delete.
* arm/crtn.asm: (FUNC_END): Simplify.
* arm/lib1funcs.asm: Remove APCS-26 return macros.
* arm/aof.h, arm/coff.h arm/elf.h arm/linux-elf.h arm/netbsd-elf.h
- * arm/netbsd.h arm/pe.h arm/semi.h arm/semiaof.h arm/unknown-elf.h
+ * arm/netbsd.h arm/pe.h arm/semi.h arm/semiaof.h arm/unknown-elf.h
* arm/vxworks.h arm/wince-pe.h: Tidy TARGET_DEFAULTS and
MULTILIB_DEFAULTS as required.
* arm/t-arm-elf arm/t-linux arm/t-pe arm/t-semi arm/t-wince-pe
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