+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.
+ (TARGET_MMU_TRAPS): Delete.
+ (TARGET_CPU_CPP_BUILTINS): Unconditionally define __APCS_32__. Never
+ define __APCS_26__.
+ (CPP_SPEC): Remove checking of -mapcs-{26,32}.
+ (ARM_FLAG_APCS_32, ARM_FLAG_MMU_TRAPS): Delete.
+ (TARGET_SWITCHES): Remove alignment_traps and apcs-{26,32} switches.
+ (prog_mode_type): Delete.
+ (PROMOTE_MODE): Always promote unsigned for HImode.
+ (SECONDARY_INPUT_RELOAD_CLASS): Simplify.
+ (MASK_RETURN_ADDR): Simplify.
+ * arm.c (arm_prgmode): Delete.
+ (arm_override_options, arm_gen_rotated_half_load): Simplify.
+ (print_multi_reg, output_return_instruction): Simplify.
+ (arm_output_epilogue, arm_final_prescan_insn): Simplify.
+ (arm_return_addr): Simplify.
+ * arm.md (prog_mode): Delete.
+ (conds): Simplify.
+ (zero_extendhisi2, extendhisi2, movhi, movhi_bytes): Simplify.
+ (rotated_loadsi, movhi_insn_littleend, movhi_insn_bigend): Delete.
+ (loadhi_si_bigend, loadhi_preinc, loadhi_shiftpreinc): Delete.
+ (loadhi_shiftpredec): Delete.
+ (peephole for post-increment on HImode load): 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/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
+ * arm/t-xscale-coff arm/t-xscale-elf arm/uclinux-elf: Tidy MULTILIB
+ variables as required.
+ * doc/invoke.texi (ARM Options): Remove obsolete flags.
+
+2004-05-15 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/rs6000.c (rs6000_va_arg <ABI_V4>): Don't use
+ UNITS_PER_WORD to calculate gpr size. Re-instate code to set reg
+ count to 8 to handle n_reg > 2.
+
+2004-05-15 Joseph S. Myers <jsm@polyomino.org.uk>
+
+ * doc/extend.texi: Update WG14 URL.
+
+2004-05-15 Steven Bosscher <stevenb@suse.de>
+
+ * basic-block.h (life_analysis, delete_noop_moves):
+ Update prototypes.
+ * bt-load.c (branch_target_load_optimize): Don't take the
+ insns stream as an argument. Update the life_analysis calls.
+ * combine.c (combine_instructions): Update delete_noop_moves
+ calls.
+ * flow.c (notice_stack_pointer_modification): Don't take the
+ insns stream as an argument. Work on the flow graph.
+ (life_analysis): Likewise.
+ (delete_noop_moves): Likewise.
+ * passes.c (rest_of_handle_stack_regs): Update reg_to_stack call.
+ (rest_of_handle_life): Update life_analysis call.
+ (rest_of_compilation): Likewise, and also update
+ branch_target_load_optimize call.
+ * ra.c (reg_alloc): Update life_analysis call.
+ * reg-stack.c (reg_to_stack): Likewise. Also, don't take
+ the insns stream as an argument.
+ * regrename.c (copyprop_hardreg_forward): Update delete_noop_moves
+ call.
+ * rtl.c (branch_target_load_optimize, reg_to_stack): Update
+ prototypes.
+ * value-profile.c (branch_prob): Update life_analysis call.
+ * web.c (web_main): Work on the CFG, not on the insns stream.
+
+ * config/ip2k/ip2k.c (ip2k_reorg): Update life_analysis calls.
+ * config/m68hc11/m68hc11.c (m68hc11_reorg): Likewise.
+ * config/sh/sh.c (sh_output_mi_thunk): Likewise.
+
+2004-05-15 Joseph S. Myers <jsm@polyomino.org.uk>
+
+ PR c/15444
+ * c-format.c (avoid_dollar_number): New function.
+ (check_format_info_main): Call avoid_dollar_number when operand
+ numbers might occur but has_operand_number == 0.
+
+2004-05-14 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (all peephole2 patterns): Use predicates that validate
+ register classes as appropriate.
+
+2004-05-14 Steven Bosscher <stevenb@suse.de>
+
+ PR opt/14472
+ * tree-tailcall.c (process_assignment): Use STRIP_NOPS to
+ ignore type conversions that do not inhibit tail calling.
+ (find_tail_calls): Likewise.
+
+2004-05-14 Jeff Law <law@redhat.com>
+
+ * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't even
+ bother marking bypassed virtuals for out-of-ssa. Instead merge
+ bypassed virtuals into vars_to_rename just before into-ssa pass.
+
+ * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Reorganize
+ so that it picks up more opportunities to eliminate ABS expressions
+ or turn them into negations.
+
+2004-05-14 Steven Bosscher <stevenb@suse.de>
+
+ * passes.c (rest_of_handle_null_pointer): Remove.
+ (rest_of_handle_cse): Don't call rest_of_handle_null_pointer.
+ (rest_of_compilation): Likewise.
+ * rtl.h (delete_null_pointer_checks): Remove prototype.
+ * gcse.c (rd_kill, rd_gen, reaching_defs, rd_out, ae_in, ae_out):
+ Remove declarations.
+ (get_bitmap_width, alloc_rd_mem, free_rd_mem, handle_rd_kill_set,
+ compute_kill_rd, compute_rd, alloc_avail_expr_mem,
+ free_avail_expr_mem, compute_ae_gen, expr_killed_p, compute_ae_kill,
+ expr_reaches_here_p, computing_insn, def_reaches_here_p,
+ can_disregard_other_sets, handle_avail_expr, classic_gcse,
+ one_classic_gcse_pass, invalidate_nonnull_info,
+ delete_null_pointer_checks_1, delete_null_pointer_checks,
+ expr_reached_here_p_work): Remove.
+ (gcse_main): Do not perform classic GCSE when optimizing for size.
+ (alloc_pre_mem, free_pre_mem): Don't touch ae_in and ae_out, they
+ are never used.
+
+2004-05-14 Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR optimization/14466
+ * tree-complex.c (make_temp): Remove.
+ (gimplify_val): Replace make_temp with make_rename_temp
+ and add NULL as the second argument.
+ (expand_complex_div_wide): Likewise.
+ * tree-dfa.c (make_rename_temp): New function.
+ * tree-flow.h (make_rename_temp): Declare.
+ * tree-sra.c (make_temp): Remove.
+ (lookup_scalar): Replace make_temp with make_rename_temp.
+ (create_scalar_copies): Likewise.
+ * tree-ssa-phiopt.c (conditional_replacement): When we
+ get non gimple create a temporary variable to hold the
+ casted expression.
+
+2004-05-14 Paul Brook <paul@codesourcery.com>
+
+ * stor-layout.c (update_alignment_for_field): Use
+ targetm.align_anon_bitfield.
+ * target-def.h (TARGET_ALIGN_ANON_BITFIELD): Define.
+ (TARGET_INITIALIZER): Use it.
+ * target.h (struct gcc_target): Add align_anon_bitfield.
+ * config/arm/arm.c (arm_align_anon_bitfield): New function.
+ (TARGET_ALIGN_ANON_BITFIELD): Define.
+ * doc/tm.texi: Document TARGET_ALIGN_ANON_BITFIELD.
+
+2004-05-13 Zack Weinberg <zack@codesourcery.com>
+
+ * tree.def (documentation): Remove mention of class 'b'.
+ (BLOCK): Now in class 'x'.
+ * c-common.c (verify_tree): Remove case 'b'.
+ * c-typeck.c (same_translation_unit_p): Change 'b' to 'x'.
+ * calls.c (calls_function_1): Control cannot get past the switch
+ when exp is a BLOCK.
+ * print-tree.c (print_node): Move code for class 'b' to the class
+ 'c'/'x' switch, as case BLOCK.
+ * tree.c (tree_size, make_node_stat, tree_node_structure): Likewise.
+ (unsafe_for_reeval, substitute_placeholder_in_expr)
+ (stabilize_reference_1): Remove case 'b'.
+ * tree-browser.c (browse_tree): Change all tests for TREE_CODE_CLASS
+ of something being 'b' to tests for TREE_CODE of something being
+ BLOCK.
+ * tree-ssa-operands.c (get_expr_operands): Likewise.
+
+2004-05-13 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-gimple.c: Rename from tree-simple.c.
+ * tree-gimple.h: Rename from tree-simple.h.
+ * c-gimplify.c: Rename from c-simplify.c
+ * Makefile.in, c-decl.c, gimple-low.c, gimplify.c,
+ langhooks.c, tree-alias-ander.c, tree-alias-common.c,
+ tree-complex.c, tree-dfa.c, tree-flow.h, tree-inline.c,
+ tree-into-ssa.c, tree-iterator.c, tree-mudflap.c,
+ tree-nested.c, tree-nomudflap.c, tree-outof-ssa.c, tree-sra.c,
+ tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-copyrename.c,
+ tree-ssa-dce.c, tree-ssa-live.c, tree-ssa-pre.c, tree-ssa.c:
+ Update.
+
+2004-05-14 Ranjit Mathew <rmathew@hotmail.com>
+
+ * doc/sourcebuild.texi: Mention libbanshee and libmudflap.
+
+2004-05-13 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * tree-ssa.c (delete_tree_ssa): XFREE
+ bitmaps allocated with BITMAP_XMALLOC.
+
+ * tree-ssa-pre.c (execute_pre): Free ephi_use_pool and
+ idfs_cache at the end of the function.
+
+ * tree-ssa-live.c (calculate_live_on_entry): Free saw_def
+ at the end of the function.
+
+ * tree-ssa-dce.c (perform_tree_ssa_dce): Free
+ el at the end of the function.
+
+ * tree-into-ssa.c (insert_phi_nodes_for): XFREE
+ bitmaps allocated with BITMAP_XMALLOC.
+
+ * loop-unswitch.c (unswitch_single_loop): Free bbs at
+ the end.
+
+ * final.c (shorten_branches): Free uid_shuid before
+ reallocating it.
+
+ * bb-reoder.c (connect_traces): Free cold_traces at the end.
+
+2004-05-13 Jeff Law <law@redhat.com>
+
+ * tree-ssa-live.c (calculate_live_on_entry): Ignore virtual
+ variables. Simplify slightly by using USE_OP/DEF_OP instead
+ of USE_OP_PTR/DEF_OP_PTR and dereferencing the result.
+
+ * tree-into-ssa.c (compute_global_livein): Use EXECUTE_IF_SET_IN_BITMAP
+ rather than iterating through the blocks testing each bit in
+ livein to initialize the worklist.
+ (mark_def_sites): Remove useless checks of KILLS for virtual
+ operands.
+
+ * tree-ssa-forwprop.c (record_single_argument_cond_exprs): Accept
+ new parameters for the statement and variable worklist as well
+ as a bitmap of interesting SSA_NAMEs. Walk over the statement
+ worklist recording interesting variables in the variable worklist
+ and bitmap. Handle casts between integral and boolean types.
+ (substitute_single_use_vars): Accept new parameters for the statement
+ and variable worklist. When a substitution is made add a new
+ entry to the statement worklist. Handle casts between integral
+ and boolean types.
+ (tree_ssa_forward_propagate_single_use_vars): Rework to pass
+ worklists to children. Iterate until the statement worklist
+ is empty.
+
2004-05-13 Andrew Pinski <pinskia@physics.uc.edu>
+ * tree-outof-ssa.c (rewrite_vars_out_of_ssa): Free map at
+ the end of the block.
+
* tree-into-ssa.c (def_blocks_free): XFREE bitmaps allocated
with BITMAP_XMALLOC.
* simplify-rtx.c (simplify_rtx): Do not handle
CONSTANT_P_RTX.
* stmt.c (parse_output_constraint): Don't warn for read-write
- memory operand.
+ memory operand.
(tail_recursion_args): Use types_compatible_p langhook.
(force_label_rtx): Don't look at inline_function_decl.
(label_rtx): Set LABEL_PRESERVE_P appropriately.
2004-05-12 Paolo Bonzini <bonzini@gnu.org>
Replace several arrays with a struct of arrays.
- * combine.c (struct reg_stat): New.
- (init_reg_last_arrays): Renamed to...
- (init_reg_last): ...this. Callers adjusted.
- (reg_stat): New.
- (combine_instructions): Allocate it and use it.
- (reg_last_death, reg_last_set, reg_last_set_value,
- reg_last_set_label, reg_last_set_table_tick,
- reg_last_set_invalid, reg_nonzero_bits, reg_sign_bit_copies,
- reg_last_set_mode, reg_last_set_nonzero_bits,
- reg_last_set_sign_bit_copies): Replace throughout
- with items of reg_stat.
+ * combine.c (struct reg_stat): New.
+ (init_reg_last_arrays): Renamed to...
+ (init_reg_last): ...this. Callers adjusted.
+ (reg_stat): New.
+ (combine_instructions): Allocate it and use it.
+ (reg_last_death, reg_last_set, reg_last_set_value,
+ reg_last_set_label, reg_last_set_table_tick,
+ reg_last_set_invalid, reg_nonzero_bits, reg_sign_bit_copies,
+ reg_last_set_mode, reg_last_set_nonzero_bits,
+ reg_last_set_sign_bit_copies): Replace throughout
+ with items of reg_stat.
2004-05-11 Kaz Kojima <kkojima@gcc.gnu.org>
2004-03-24 David Edelsohn <edelsohn@gnu.org>
- * doc/invoke.texi (-frename-registers: Add enabled at -O3.
+ * doc/invoke.texi (-frename-registers): Add enabled at -O3.
(-fprofile-values): Add enabled with profile-{generate,use}.
(-fvpt): Same.
(-ftracer): Add enabled with profile-use.