+2004-11-28 Steven Bosscher <stevenb@suse.de>
+ John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * config/vax/vax.h (CASE_DROPS_THROUGH): Don't define.
+ * config/vax/vax.md (casesi): Emit a test-and-branch to make sure
+ that the case is in range, to make sure the casesi insn is always
+ in range and never falls through.
+ (casesi1): Add comment to explain why casesi never falls through.
+ Remove the unnamed special case casesi pattern.
+
+2004-11-28 Hans-Peter Nilsson <hp@bitrange.com>
+
+ PR target/18331
+ * config/mmix/mmix.md ("*movdicc_real_reversible"): Rename from
+ "*movdicc_real". Only match reversible comparisons.
+ ("*movdicc_real_nonreversible"): New pattern, split from
+ "*movdicc_real". Match only nonreversible comparisons. Exclude
+ reversed alternatives.
+ ("*movdfcc_real_reversible", "*movdfcc_real_nonreversible"):
+ Similar.
+
+2004-11-27 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/ia64.md: Move all define_predicate's ...
+ * config/ia64/predicates.md: ... here. New file.
+
+2004-11-27 Per Bothner <per@bothner.com>
+
+ PR bootstrap/18142
+ Re-applied following, with two modifications: add a URL for the
+ fixed cctools; only exit if $build = $target.
+
+ 2004-10-18 Kelley Cook <kcook@gcc.gnu.org>
+ * configure.ac (powerpc-*-darwin*): Require assembler to support
+ .machine directive.
+ * configure: Regenerate.
+
+2004-11-28 David Edelsohn <edelsohn@gnu.org>
+
+ PR target/16800
+ * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve accuracy of
+ EQ, GTU, and LTU costs. Add costs for GT, LT, and UNORDERED.
+ Distinguish between SImode and DImode CONST_INT.
+
+2004-11-28 Andreas Fischer <a_fisch@gmx.de>
+ Alan Modra <amodra@bigpond.net.au>
+
+ PR target/16343
+ * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Disallow
+ functions, strings and thread-local vars.
+
+2004-11-28 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/rs6000.h (WORLD_SAVE_P): Define.
+ * config/rs6000/darwin.h (WORLD_SAVE_P): Define.
+ * config/rs6000/rs6000.c (compute_save_world_info): Use WORLD_SAVE_P
+ to allow non-darwin ABIs to optimize away code.
+ (rs6000_emit_prologue, rs6000_emit_epilogue): Likewise.
+
+2004-11-27 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree.c (operand_equal_for_phi_arg_p): New.
+ * tree.h: Add a prototype for operand_equal_for_phi_arg_p.
+ * tree-cfg.c, tree-ssa-dom.c, tree-ssa-phiopt.c, tree-ssa.c:
+ Replace operand_equal_p with operand_for_phi_arg_p
+ appropriately.
+
+ * bb-reorder.c (find_traces_1_round): Speed up by using
+ EDGE_COUNT instead of FOR_EACH_EDGE.
+
+ * fold-const.c, config/i386/linux64.h: Fix comment typos.
+
+2004-11-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR pch/14940
+ * config/host-linux.c (TRY_EMPTY_VM_SPACE): Revert 2004-11-22 change.
+
+2004-11-27 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/i386/linux.h: Fix a comment typo.
+ * doc/extend.texi: Fix a typo.
+
+2004-11-27 Jeff Law <law@redhat.com>
+
+ * tree-cfg.c (cleanup_tree_cfg): Also return true if blocks
+ are merged.
+
+2004-11-27 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/linux64.h (REG_NAME): Define.
+
+2004-11-27 Jakub Jelinek <jakub@redhat.com>
+
+ * fold-const.c (extract_muldiv_1) <case ABS_EXPR>: If ctype is
+ unsigned and type signed, build ABS_EXPR with signed_type (ctype)
+ and only afterwards convert to ctype.
+
+2004-11-27 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/mips-protos.h (function_arg_boundary): Declare.
+ * config/mips/mips.h (PARM_BOUNDARY): Simplify definition.
+ (STACK_BOUNDARY, MIPS_STACK_ALIGN): Likewise.
+ (FUNCTION_ARG_BOUNDARY): Use new function_arg_boundary function.
+ * config/mips/mips.c (function_arg_boundary): New function.
+ Impose a maximum alignment of STACK_BOUNDARY.
+
+2004-11-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/17825
+ * combine.c (subst): Ignore STRICT_LOW_PART no matter if REG_P (new)
+ or not.
+
+2004-11-27 Alan Modra <amodra@bigpond.net.au>
+
+ PR target/12769
+ * config/rs6000/rs6000.c (init_cumulative_args): Set call_cookie
+ from rs6000_default_long_calls for libcalls.
+
+2004-11-26 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expmed.c (extract_bit_field): When extracting from non-integer mode,
+ force a SUBREG into a register because we may be taking a further
+ SUBREG of it.
+
+2004-11-27 Di-an Jan <dianj@freeshell.org>
+
+ * doc/contrib.texi (Tim Josling): Remove nesting quotation marks.
+
+2004-11-26 Robert Millan <robertmh@gnu.org>
+
+ Changes for k*bsd-gnu support.
+ * config/i386/linux.h: Define REG_NAME to allow overriding of
+ register names in sc structure.
+ * config/i386/linux-unwind.h: Refer to sc->REG_NAME(reg) instead
+ of sc->reg.
+ * config.gcc: Detect x86_64-k*bsd-gnu systems.
+
+2004-11-26 Jeff Law <law@redhat.com>
+
+ * tree-ssa.c (verify_flow_sensitive_alias_info): Don't
+ retrieve annotations or pointer info before it's necessary.
+ Reorder tests for early continue of the loop. Manually CSE
+ SSA_NAME_VAR.
+
+2004-11-26 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * target.h (struct gcc_target): New field 'dwarf_handle_frame_unspec'.
+ * target_def.h (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define to 0.
+ (TARGET_INITIALIZER): Add TARGET_DWARF_HANDLE_FRAME_UNSPEC.
+ * dwarf2out.c (dwarf2out_frame_debug_expr): Allow REG->REG move
+ to a fixed reg if the source is the Return Address register.
+ Implement new Rule 15.
+ * doc/tm.texi (Frame Layout): Document TARGET_DWARF_HANDLE_FRAME_UNSPEC.
+ * config/sparc/sparc.c (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define to
+ sparc_dwarf_handle_frame_unspec.
+ (gen_save_register_window): New function.
+ (emit_stack_pointer_increment): Rename into gen_stack_pointer_inc.
+ (emit_stack_pointer_decrement): Rename into gen_stack_pointer_dec.
+ (expand_prologue): Adjust calls to emit_stack_pointer_{in,de}crement.
+ Set RTX_FRAME_RELATED_P on the appropriate insns and members of insns.
+ (sparc_asm_function_prologue): Do not emit call frame debugging info.
+ (emit_and_preserve): Adjust calls to emit_stack_pointer_{in,de}crement.
+ (sparc_expand_epilogue): Likewise.
+ (sparc_dwarf_handle_frame_unspec): New function.
+ * config/sparc/sparc.md (save_register_window): Remove.
+ (save_register_windowdi): Rewrite modelled on the callframe debug info.
+ (save_register_windowsi): Likewise.
+
+2004-11-26 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/frv/frv-protos.h: Guard ifcvt functions declarations with
+ BB_HEAD, not BLOCK_HEAD.
+
+2004-11-26 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/frv/frv.c (frv_ifcvt_modify_insn): Don't leave alone
+ scratch insns that set a register live at the join point.
+
+2004-11-26 Kazu Hirata <kazu@cs.umass.edu>
+
+ * cse.c, tree-ssa-operands.c: Fix comment typos.
+
+ * tree-cfg.c (tree_split_edge): Speed up by using find_edge.
+
+2004-11-26 James A. Morrison <phython@gcc.gnu.org>
+
+ PR target/18510
+ * doc/extend.texi (SPARC VIS Built-in Functions): New section.
+
+2004-11-26 Kazu Hirata <kazu@cs.umass.edu>
+
+ * cfgrtl.c (try_redirect_by_replacing_jump): Speed up the
+ check that tests if all edges go to the same destination.
+
+ * bitmap.c (bitmap_find_bit): Speed up by traversing from
+ head->first if that seems profitable.
+
+2004-11-25 Jeff Law <law@redhat.com>
+
+ * timevar.def (TV_TREE_LOOP_INIT, TV_TREE_LOOP_FINI): New timevars.
+ * tree-ssa-loop.c (pass_loop_init): Use TV_TREE_LOOP_INIT.
+ (pass_loop_done): Use TV_TREE_LOOP_FINI.
+
+2004-11-26 Alan Modra <amodra@bigpond.net.au>
+
+ PR rtl-optimization/16356
+ * config/rs6000/rs6000.md (floatdisf2_internal2): Rewrite with
+ separate output register and one less jump. Enable for powerpc64.
+ (floatdisf2): Adjust for above.
+
+2004-11-25 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.h (STARTFILE_SPEC): Add crt0.
+ (GCC_DRIVER_HOST_INITIALIZATION): Define.
+
+2004-11-25 Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR middle-end/17957
+ * tree-complex.c (vector_inner_type): New variable moved from
+ build_word_mode_vector_type.
+ (vector_last_type): Likewise.
+ (vector_last_nunits): Likewise.
+ (build_word_mode_vector_type): Use the new variables.
+ * Makefile.in (tree-complex.o): Add gt-tree-complex.h $(GGC_H).
+ (GTFILES): Add tree-complex.c.
+ (gt-tree-complex.h): New rule, add it to the rest of the gt-* rules.
+
+2004-11-25 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.h (TARGET_CPU_CPP_BUILTINS): Define
+ __XTENSA_WINDOWED_ABI__.
+
+2004-11-25 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (dwarf2out_stack_adjust): Add after_p argument. Save
+ args_size adjustments for calls even with cfa as stack pointer.
+ Search calls for stack adjustments after the insn is issued.
+ (dwarf2out_frame_debug): Add after_p argument; pass it on.
+ * dwarf2out.h (dwarf2out_frame_debug): Update to match.
+ * final.c (final_start_function, final_scan_insn): Likewise.
+
+2004-11-25 Richard Henderson <rth@redhat.com>
+
+ PR c++/6764
+ * reload1.c (set_initial_eh_label_offset): New.
+ (set_initial_label_offsets): Use it.
+
+2004-11-25 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (sh_output_mi_thunk): Initialize bitmap obstacks
+ before calling life_analysis and release them after.
+
+2004-11-25 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-ssa-forwprop.c (substitute_single_use_vars): Remove
+ duplicate code.
+
+2004-11-25 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * bitmap.h (BITMAP_XMALLOC): Use BITMAP_ALLOC and not
+ BITMAP_OBSTACK_ALLOC.
+ (BITMAP_XFREE): Use BITMAP_FREE and not BITMAP_OBSTACK_FREE.
+
+2004-11-25 Andrew Pinski <pinskia@physics.uc.edu>
+
+ parts of PR rtl-opt/18463, rtl-opt/17647
+ * cse.c (canon_for_address): New function.
+ (find_best_addr): Call canon_for_address before getting the
+ address's cost when checking if we should take that address.
+
+2004-11-25 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-phinodes.c (add_phi_arg): Take "tree" instead of
+ "tree *" as the first argument.
+ * tree-flow.h: Update the prototype of add_phi_arg.
+ * lambda-code.c, tree-cfg.c, tree-into-ssa.c,
+ tree-ssa-loop-ivopts.c, tree-ssa-loop-manip.c, tree-ssa-pre.c,
+ tree-ssa-threadupdate.c, tree-ssa.c, tree-tailcall.c,
+ tree-vectorizer.c: Update all call sites of add_phi_arg.
+
+2004-11-25 Nathan Sidwell <nathan@codesourcery.com>
+
+ * bitmap.c (bitmap_malloc_alloc, bitmap_malloc_free): Remove.
+ * bitmap.h (bitmap_malloc_alloc, bitmap_malloc_free): Remove.
+ (BITMAP_XMALLOC): Forward to BITMAP_OBSTACK_ALLOC.
+ (BITMAP_XFREE): Forward to BITMAP_OBSTACK_FREE.
+
+2004-11-25 Andrew MacLeod <amacleod@redhat.com>
+
+ PR tree-optimization/18587
+ * tree-flow-inline.h (mark_call_clobbered, mark_non_addressable): Flag
+ call clobbered caches as invalid.
+ * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): New. Flag
+ indicating whether the call clobbered operand cache is valid.
+ (ssa_ro_call_cache_valid): New. Flag indicating whether the
+ pure/const call operand cache is valid.
+ (clobbered_v_may_defs, clobbered_vuses, ro_call_vuses): New. Cached
+ list of operands for cached call virtual operands.
+ (clobbered_aliased_loads, clobbered_aliased_stores,
+ ro_call_aliased_load): New. flags caching whether alias bits are
+ to be set in call stmt's.
+ (fini_ssa_operands): Remove call operand caches if present.
+ (get_expr_operands, get_asm_expr_operands,
+ get_indirect_ref_operands): Pass stmt annotation to add_stmt_operand.
+ (get_call_expr_operands): Add call clobbered variables first.
+ (add_stmt_operand): Take stmt annotation rather than stmt as a param.
+ (add_call_clobber_ops, add_call_read_ops): Use the call operand cache
+ if it is valid, otherise fill the cache.
+ * tree-ssa-operands.h (ssa_clobbered_cache_valid): Declare extern.
+ * tree-flow.h (struct var_ann_d): Add in_vuse_list and
+ in_v_may_def_list bits.
+ * tree-ssa-operands.c (cleanup_v_may_defs): New. Clear the
+ in_list bits for the v_may_def elements and empty the operand
+ build array
+ (finalize_ssa_vuses): Use cleanup_v_may_defs and remove redundant
+ VUSES by checking the in_v_may_def_list bit.
+ (append_v_may_def, append_vuse): Use the in_list bit rather than
+ scanning the array for duplicates.
+
+2004-11-25 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/s390/s390.c (s390_short_displacement): UNSPEC_GOTNTPOFF
+ displacements are not short.
+
+2004-11-25 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/s390/s390.c (legitimize_pic_address): Use s390_load_address
+ to load addresses.
+
+2004-11-25 Mark Mitchell <mark@codesourcery.com>
+
+ PR c++/18001
+ * c-common.h (lvalue_use): Move here from c-ctypeck.c.
+ (lvalue_or_else): Declare.
+ * c-common.c (lvalue_or_else): Move here from c-typeck.c.
+ * c-typeck.c (lvalue_use): Remove.
+ (lvalue_or_else): Remove.
+
+ PR c++/18556
+ * toplev.c (check_global_declarations): Set DECL_IGNORED_P on
+ unemitted variables with static storage duration.
+
+2004-11-25 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * tree-cfg.c (tree_verify_flow_info): Do not terminate error()
+ message with \n.
+
+2004-11-25 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/rs6000/altivec.md (VIshort): New mode macro.
+ (altivec_vaddubs, altivec_vadduhs, altivec_vadduws): Replace
+ with ...
+ (altivec_vaddu<VI_char>s): ... this.
+ (altivec_vaddsbs, altivec_vaddshs, altivec_vaddsws): Replace
+ with ...
+ (altivec_vadds<VI_char>s): ... this.
+ (altivec_vsububs, altivec_vsubuhs, altivec_vsubuws): Replace
+ with ...
+ (altivec_vsubu<VI_char>s): ... this.
+ (altivec_vsubsbs, altivec_vsubshs, altivec_vsubsws): Replace
+ with ...
+ (altivec_vsubs<VI_char>s): ... this.
+ (altivec_vavgub, altivec_vavguh, altivec_vavguw): Replace
+ with ...
+ (altivec_vavgu<VI_char>): ... this.
+ (altivec_vavgsb, altivec_vavgsh, altivec_vavgsw): Replace
+ with ...
+ (altivec_vavgs<VI_char>): ... this.
+ (altivec_vmsumubm, altivec_vmsumuhm): Replace with ...
+ (altivec_vmsumu<VI_char>m): ... this.
+ (altivec_vmsummbm, altivec_vmsummhm): Replace
+ with ...
+ (altivec_vmsumm<VI_char>m): ... this.
+ (altivec_vandc): Remove.
+ (*andc<mode>3): Renamed to ...
+ (andc<mode>3): ... here. Swap operand 1 and 2 numbering.
+ (altivec_vrlb, altivec_vrlh, altivec_vrlw): Replace
+ with ...
+ (altivec_vrl<VI_char>): ... this.
+ (altivec_vslb, altivec_vslh, altivec_vslw): Replace
+ with ...
+ (altivec_vsl<VI_char>): ... this.
+ (altivec_vsrb, altivec_vsrh, altivec_vsrw): Replace
+ with ...
+ (altivec_vsr<VI_char>): ... this.
+ (altivec_vsrab, altivec_vsrah, altivec_vsraw): Replace
+ with ...
+ (altivec_vsra<VI_char>): ... this.
+ (altivec_vsum4sbs, altivec_vsum4shs): Replace with ...
+ (altivec_vsum4s<VI_char>s): ... this.
+ (altivec_vperm_4si, altivec_vperm_8hi, altivec_vperm_16qi): Replace
+ with ...
+ (altivec_vperm_<mode>): ... this.
+ (altivec_vsel_4sf): Rename to ...
+ (altivec_vsel_v4sf): ... here.
+ (altivec_vsel_4si, altivec_vsel_8hi, altivec_vsel_16qi): Replace
+ with ...
+ (altivec_vsel_<mode>): ... this.
+ (altivec_vsldoi_4si, altivec_vsldoi_8hi,
+ altivec_vsldoi_16qi): Rename to ...
+ (altivec_vsldoi_v4si, altivec_vsldoi_v8hi,
+ altivec_vsldoi_v16qi): ... here.
+ (altivec_vsldoi_4sf): Rename to ...
+ (altivec_vsldoi_v4sf): ... here.
+ (altivec_predicate_v4si, altivec_predicate_v8hi,
+ altivec_predicate_v16qi): Replace with ...
+ (altivec_predicate_<mode>): ... this.
+ (altivec_lvebx, altivec_lvehx, altivec_lvewx): Replace
+ with ...
+ (altivec_lve<VI_char>x): ... this.
+ (altivec_stvebx, altivec_stvehx, altivec_stvewx): Replace
+ with ...
+ (altivec_stve<VI_char>x): ... this.
+ (absv16qi2, absv8hi2, absv4si2): Replace
+ with ...
+ (abs<mode>2): ... this.
+ (altivec_abss_v16qi, altivec_abss_v8hi, altivec_abss_v4si): Replace
+ with ...
+ (altivec_abss_<mode>): ... this.
+ (vec_realign_load_v16qi, vec_realign_load_v8hi,
+ vec_realign_load_v4si): Replace with ...
+ (vec_realign_load_<mode>): ... this.
+ * config/rs6000/rs6000.c (bdesc_3arg, bdesc_2arg): Update tweaked
+ insn names.
+ (rs6000_expand_ternop_builtin): Likewise.
+
+2004-11-25 Andrew Haley <aph@redhat.com>
+
+ * gcc.c (process_command): Don't supply -v to linker.
+
+2004-11-25 Joseph S. Myers <joseph@codesourcery.com>
+
+ * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Use %qs
+ instead of `%s' in diagnostic.
+
+2004-11-25 Nathan Sidwell <nathan@codesourcery.com>
+
+ * basic-block.h (OBSTACK_ALLOC_REG_SET): Adjust.
+ (FREE_REG_SET): Adjust.
+ * bitmap.c (bitmap_obstack_free): Cope with NULL bitmap.
+ * bitmap.h (BITMAP_OBSTACK_ALLOC): Rename to ...
+ (BITMAP_ALLOC): ... here.
+ (BITMAP_OBSTACK_FREE): Rename to ...
+ (BITMAP_FREE): Don't check for NULL bitmap here.
+ * tree-ssa-pre.c (value_insert_into_set_bitmap,
+ bitmap_set_new): Use new names.
+
+ * bt-load.c (migrate_btr_defs): Remove unneeded NULL check.
+ * df.c (df_free): Likewise.
+ * ra-build.c (ra_build_free, ra_build_free_all): Likewise.
+ * tree-ssa-loop-ivopts.c (set_use_iv_cost): Likewise.
+
+ * basic-block.h (OBSTACK_ALLOC_REG_SET): Rename to ...
+ (ALLOC_REG_SET): ... here.
+ (FREE_REG_SET): Adjust.
+ (XMALLOC_REG_SET, XFREE_REG_SET): Remove.
+ * bb-reorder.c (fix_crossing_conditional_branches): Adjust.
+ * cfglayout.c (cfg_layout_duplicate_bb): Adjust.
+ * cfgrtl.c (rtl_split_block, rtl_split_edge,
+ safe_insert_insn_on_edge, cfg_layout_split_edge): Adjust.
+ * flow.c (update_life_info, calculate_global_regs_live,
+ allocate_bb_life_data, init_propagate_block_info): Adjust.
+ * global.c (build_insn_chain): Adjust.
+ * ifcvt.c (dead_or_predicable): Adjust.
+ * loop-iv.c (simplify_using_initial_values): Adjust.
+ * recog.c (peephole2_optimize): Adjust.
+ * sched-deps.c (init_deps_global): Adjust.
+
+2004-11-25 Ralf Corsepius <ralf.corsepius@rtems.org>
+
+ * config.gcc (avr-*-rtems*): Fix typo.
+
+2004-11-25 J"orn Rennecke <joern.rennecke@st.com>
+
+ * sh.c (sh_output_mi_thunk): Do not call regset_release_memory.
+
+2004-11-24 Jeff Law <law@redhat.com>
+
+ * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Reduce
+ the number of queries to random elements in the ai->written_vars
+ bitmap.
+
+2004-11-24 Roger Sayle <roger@eyesopen.com>
+
+ * config/i386/i386.c (override_options): Disable x87 fancy math
+ intrinsics if -mfpmath= doesn't include 387 (default on x86_64).
+
+2004-11-24 Roger Sayle <roger@eyesopen.com>
+
+ * configure.ac: Tweak test for HAVE_DECL_LDGETNAME to avoid a
+ system header conflict on AIX 5.2.
+ * configure: Regenerate.
+
+2004-11-24 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-outof-ssa.c (coalesce_abnormal_edges): Use e->dest_idx
+ instead of calling phi_arg_from_edge.
+
+ * tree-phinodes.c (remove_phi_args): Replace phi_arg_from_edge
+ with e->dest_idx.
+
+2004-11-24 Ben Elliston <bje@au.ibm.com>
+
+ * config/i386/i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
+ * config/i386/i386.c (i386_dwarf_output_addr_const): Likewise.
+ * config/i386/i386-protos.h (i386_dwarf_output_addr_const):
+ Likewise.
+
+2004-11-24 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree-sra.c (sra_walk_modify_expr): Handle RHS first, then LHS.
+
+ * tree-inline.c (copy_body_r): Explicitly copy a constant if the
+ type will be remapped.
+
+2004-11-24 Steven Bosscher <stevenb@suse.de>
+
+ * c-opts.c (c_common_post_options): Don't clear
+ flag_inline_functions.
+ * dojump.c (clear_pending_stack_adjust): Remove check on
+ flag_inline_functions, it's always true.
+ * config/alpha/alpha.md (movdi_er_maybe_g): Remove splitter
+ that can never trigger.
+ * config/c4x/c4x.h (TARGET_CPU_CPP_BUILTINS): Don't look at
+ flag_inline_trees, now that flag_inline_functions is never
+ cleared.
+ * config/pdp11/pdp11.h (OPTIMIZATION_OPTIONS): Don't set
+ flag_inline_functions at optimization levels greater than
+ or equal to 3. This is already done by default.
+
+2004-11-24 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-outof-ssa.c (eliminate_build): Use g->e->dest_idx
+ instead to find the PHI argument. Do not take I as an
+ argument.
+ (eliminate_phi): Adjust the call to eliminate_build. Do not
+ take I as an argument.
+ (rewrite_trees): Adjust the call to eliminate_phi.
+
+2004-11-24 Richard Sandiford <rsandifo@redhat.com>
+
+ * optabs.h (force_expand_binop): Declare.
+ * optabs.c (force_expand_binop): Export.
+ * stmt.c (shift_return_value): Delete.
+ (expand_return): Don't call it.
+ * expr.h (shift_return_value): Declare.
+ * calls.c (shift_returned_value): Delete in favor of...
+ (shift_return_value): ...this new function. Leave the caller to check
+ for non-BLKmode values passed in the msb of a register. Take said mode
+ and a shift direction as argument. Operate on the hard function value,
+ not a pseudo.
+ (expand_call): Adjust accordingly.
+ * function.c (expand_function_start): If a non-BLKmode return value
+ is padded at the last significant end of the return register, use the
+ return value's natural mode for the DECL_RESULT, not the mode of the
+ padded register.
+ (expand_function_end): Shift the same sort of return values left by
+ the appropriate amount.
+
+2004-11-24 Matt Austern <austern@apple.com>
+
+ * recog.c (recog_memoized_1): Remove.
+ * recog.h (recog_memoized_1): Remove declaration.
+ (recog_memoized): Change from macro to inline function.
+
+2004-11-24 Devang Patel <dpatel@apple.com>
+
+ PR/18555
+ * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add isysroot.
+ * config/darwin-c.c (darwin_register_frameworks): Use sysroot.
+
+2004-11-24 Devang Patel <dpatel@apple.com>
+
+ * gcc.c (process_command): Supply -v to linker.
+
+2004-11-24 David Edelsohn <edelsohn@gnu.org>
+ Paolo Bonzini <bonzini@gnu.org>
+
+ * config/rs6000/rs6000.c (rs6000_return_in_memory): Allow Altivec
+ vector modes without ALTIVEC_ABI. Use GCC vector instead of
+ synthetic vector.
+ (rs6000_pass_by_reference): Split conditional into pieces. Use
+ GCC vector instead of synthetic vector.
+
+2004-11-24 Aldy Hernandez <aldyh@redhat.com>
+
+ * tree.c (recompute_tree_invarant_for_addr_expr): The address of a
+ thread-local variable is invariant.
+
+2004-11-24 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree-pretty-print.c (dump_generic_node, case POINTER_TYPE):
+ Handle TYPE_REF_CAN_ALIAS_ALL.
+ (print_declaration): Print array dimensions like dump_generic_node.
+
+ * fold-const.c (operand_equal_p): Remove kludge allowing ARG0 and
+ ARG1 to be null; instead define OP_SAME and OP_SAME_NULL and use them.
+
+2004-11-24 Nathan Sidwell <nathan@codesourcery.com>
+
+ * bitmap.c (INLINE): Do not define.
+ (bitmap_elem_to_freelist, bitmap_element_free,
+ bitmap_element_allocate, bitmap_clear, bitmap_element_zerop,
+ bitmap_element_link, bitmap_find_bit): Use inline keyword/macro.
+
+2004-11-24 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-ssa-dom.c (cprop_into_successor_phis): Remove code to
+ find the index of a PHI argument. Use e->dest_idx instead.
+ Replace hint with index.
+
+ * tree-ssa-dom.c (cprop_into_successor_phis): Replace index
+ with indx.
+
+2004-11-24 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-ssa-alias.c (merge_pointed_to_info): Fix comment
+ regarding PT_MALLOC.
+
+2004-11-24 Joseph Myers <joseph@codesourcery.com>
+
+ * config/i386/i386.c (optimization_options): Use
+ SUBTARGET_OPTIMIZATION_OPTIONS.
+ * config/i386/sol2-10.h (SUBTARGET_OPTIMIZATION_OPTIONS): Define.
+ (TARGET_SUBTARGET_DEFAULT): Don't include
+ MASK_OMIT_LEAF_FRAME_POINTER.
+
+2004-11-24 Mark Mitchell <mark@codesourcery.com>
+
+ * config/i386/sol2.h (X86_FILE_START_VERSION_DIRECTIVE):
+ Define to false.
+
+2004-11-24 Joseph Myers <joseph@codesourcery.com>
+
+ * config/i386/t-sol2-10 (MULTILIB_DIRNAMES, MULTILIB_OSDIRNAMES):
+ Use amd64 instead of 64.
+
+2004-11-24 Mark Mitchell <mark@codesourcery.com>
+ Joseph Myers <joseph@codesourcery.com>
+
+ * crtstuff.c (IN_LIBGCC2): Define it.
+ (EH_FRAME_SECTION_CONST): Check EH_TABLES_CAN_BE_READ_ONLY
+ instead of HAVE_LD_RO_RW_SECTION_MIXING.
+ * defaults.h (EH_TABLES_CAN_BE_READ_ONLY): New macro.
+ * dwarf2out.c (named_section_eh_frame_section): Check
+ EH_TABLES_CAN_BE_READ_ONLY.
+ * except.c (default_exception_section): Likewise.
+ * config/i386/sol2.h (EH_TABLES_CAN_BE_READ_ONLY): Define.
+ * doc/tm.texi (EH_TABLES_CAN_BE_READ_ONLY): Document.
+
+2004-11-24 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-ssa-pre.c (phi_translate): Use find_edge to find the
+ index of a PHI argument.
+
+ * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi): Use
+ find_edge to find the index of a PHI argument.
+
+2004-11-24 Steven Bosscher <stevenb@suse.de>
+
+ * expr.c (expand_expr_real_1): Remove cases for EXIT_BLOCK_EXPR
+ and LABELED_BLOCK_EXPR.
+ * gimplify.c (gimplify_labeled_block_expr): Remove.
+ (gimplify_exit_block_expr): Remove.
+ (gimplify_expr): Don't call them.
+ * tree-inline.c (copy_body_r): Don't handle EXIT_BLOCK_EXPR
+ and LABELED_BLOCK_EXPR.
+ (estimate_num_insns_1): Likewise.
+ (walk_tree): Likewise.
+ * tree-pretty-print.c (dump_generic_node): Don't handle
+ EXIT_BLOCK_EXPR and LABELED_BLOCK_EXPR.
+ * tree.def (EXIT_BLOCK_EXPR): Moved to java-tree.def.
+ (LABELED_BLOCK_EXPR): Likewise.
+ * tree.h (LABELED_BLOCK_LABEL): Moved to java-tree.h.
+ (LABELED_BLOCK_BODY): Likewise.
+ (EXIT_BLOCK_LABELED_BLOCK): Likewise.
+ (EXIT_BLOCK_RETURN): Removed.
+
+2004-11-24 Steven Bosscher <stevenb@suse.de>
+
+ * cfgrtl.c (rtl_delete_block): Fix comment.
+ * emit-rtl.c (remove_unnecessary_notes): Die if we see BLOCK_BEG
+ or BLOCK_END insn notes.
+ * jump.c (squeeze_notes): Likewise.
+ * haifa-sched.c (reemit_notes): Don't "re-emit" EH_REGION_BEG and
+ EH_REGION_END notes, we never have them to begin with.
+ * sched-deps.c (sched_analyze_insn): When updating loop notes,
+ verify that we have indeed only recorded loop notes.
+ (sched_analyze): Die if we see EH_REGION_BEG or EH_REGION_END notes.
+ Only record loop notes.
+
+ * cfgexpand.c (tree_expand_cfg): Fix comment.
+
+ * passes.c (rest_of_compilation): Don't do a second call to
+ convert_from_eh_region_ranges from here, it's already called
+ from cfgexpand.c.
+ * except.c (resolve_fixup_regions): Remove.
+ (remove_fixup_regions): Remove.
+ (convert_from_eh_region_ranges_1): Remove.
+ (convert_from_eh_region_ranges): Remove the case where EH is
+ not already lowered at the tree level. We always lower there.
+
+2004-11-24 Paolo Bonzini <bonzini@gnu.org>
+
+ PR c++/16882
+ * tree.c (make_vector_type): Move qualifiers to the vector type,
+ use the inner type's main variant and build a main variant for
+ the vector type if necessary.
+ (type_hash_eq): Check a vector type's TYPE_VECTOR_SUBPARTS.
+
+2004-11-24 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * target.h (late_rtl_prologue_epilogue): Remove.
+ * target-def.h (TARGET_LATE_RTL_PROLOGUE_EPILOGUE): Remove.
+ * system.h: Poison TARGET_LATE_RTL_PROLOGUE_EPILOGUE.
+ * passes.c (rest_of_handle_prologue_epilogue): Remove and move
+ remaining bits to...
+ (rest_of_handle_flow2): ...here.
+ (rest_of_compilation): Remove call to rest_of_handle_prologue_epilogue.
+ * doc/tm.texi (TARGET_LATE_RTL_PROLOGUE_EPILOGUE): Remove.
+
+2004-11-23 Mark Mitchell <mark@codesourcery.com>
+
+ * hwint.h (HOST_LONG_LONG_FORMAT): New macro. Use it throughout.
+ * config/i386/xm-mingw32.h (HOST_LONG_LONG_FORMAT): Define.
+ * doc/hostconfig.texi (HOST_LONG_LONG_FORMAT): Document.
+
+2004-11-24 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * config/i386/i386.c (override_options): Move
+ SUBTARGET_OVERRIDE_OPTIONS before defaulting
+ flag_omit_frame_pointer.
+
+2004-11-23 Richard Henderson <rth@redhat.com>
+
+ * rtl.h (validate_subreg): Declare.
+ * emit-rtl.c (validate_subreg): New.
+ (gen_rtx_SUBREG): Use it.
+ * simplify-rtx.c (simplify_subreg): Likewise.
+ (simplify_gen_subreg): Likewise. Remove duplicate asserts.
+ * expr.c (emit_move_insn_1): Tidy complex move code. Use memory
+ fallback whenever gen_realpart/gen_imagpart would not be able to
+ create SUBREGs.
+
+2004-11-23 Richard Henderson <rth@redhat.com>
+
+ * expmed.c (extract_bit_field): Use simplify_gen_subreg instead of
+ hard-coding avoiding calls to gen_rtx_SUBREG. Split complex return
+ modes to CONCAT.
+
+2004-11-23 Diego Novillo <dnovillo@redhat.com>
+
+ PR tree-optimization/18618
+ * tree-into-ssa.c (DEF_VEC_MALLOC_P(basic_block)): Declare.
+ (insert_phi_nodes_for): Change third argument to VEC(basic_block).
+ * tree-ssa-dom.c (avail_exprs_stack): Change type to VEC(tree_on_heap).
+ Update all users.
+ (stmts_to_rescan): Likewise.
+ (const_and_copies_stack): Likewise.
+ (nonzero_vars_stack): Likewise.
+ (vrp_variables_stack): Likewise.
+
+2004-11-23 Richard Henderson <rth@redhat.com>
+
+ * cse.c (record_jump_cond_subreg): New.
+ (record_jump_cond): Use it instead of gen_lowpart.
+
+2004-11-23 Daniel Jacobowitz <dan@codesourcery.com>
+ Joseph Myers <joseph@codesourcery.com>
+
+ * config/sol2-c.c (solaris_register_pragmas): Use
+ c_register_pragma_with_expansion.
+ * config/sol2.h (HANDLE_PRAGMA_PACK_WITH_EXPANSION): Define.
+ * c-pragma.c (c_register_pragma): Update call to
+ cpp_register_pragma.
+ (c_register_pragma_with_expansion): New function.
+ (init_pragma): Honor HANDLE_PRAGMA_PACK_WITH_EXPANSION.
+ * c-pragma.h (c_register_pragma_with_expansion): New prototype.
+ * doc/extend.texi (Solaris Pragmas): Mention macro expansion for
+ #pragma align.
+ * doc/tm.texi (c_register_pragma_with_expansion,
+ HANDLE_PRAGMA_PACK_WITH_EXPANSION): Document.
+
+2004-11-23 Richard Henderson <rth@redhat.com>
+
+ * combine.c (gen_lowpart_for_combine): Factor out mode of x as well
+ as mode sizes into local temporaries. Unify failure path.
+
+2004-11-23 Richard Henderson <rth@redhat.com>
+
+ * emit-rtl.c, rtl.h (subreg_hard_regno): Remove.
+ * caller-save.c (mark_set_regs): Use subreg_regno instead.
+ * final.c (alter_subreg): Likewise.
+ * local-alloc.c (reg_is_born): Likewise.
+
+2004-11-23 Richard Henderson <rth@redhat.com>
+
+ * simplify-rtx.c (simplify_subreg): Use subreg_regno_offset directly
+ instead of using a SUBREG temporary.
+
+2004-11-23 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-cfg.c (tree_forwarder_block_p): Speed up by reordering
+ two checks.
+
+2004-11-23 Zack Weinberg <zack@codesourcery.com>
+
+ * function.h (struct function): Remove calls_longjmp.
+ (current_function_calls_longjmp): Delete.
+ * tree.h (ECF_LONGJMP): Delete.
+ (ECF_SIBCALL, ECF_PURE, ECF_SP_DEPRESSED, ECF_ALWAYS_RETURN)
+ (ECF_LIBCALL_BLOCK): Everybody slide down one.
+ (ECF_CONST, ECF_NORETURN, ECF_SIBCALL): Clarify comments.
+ * builtins.c (expand_builtin_longjmp): Don't set
+ current_function_calls_longjmp.
+ * calls.c (special_function_p): Mark longjmp and siglongjmp
+ with ECF_NORETURN, not ECF_LONGJMP.
+ (emit_call_1, expand_call, emit_library_call_value_1):
+ Don't check for ECF_LONGJMP.
+ * tree-cfg.c (make_exit_edges, is_ctrl_altering_stmt)
+ (need_fake_edge_p): Likewise.
+
+ * config/avr/avr.h, config/ip2k/ip2k.h: Don't define NON_SAVING_SETJMP.
+ * system.h: Poison NON_SAVING_SETJMP.
+ * function.c (use_register_for_decl)
+ * gcse.c (compute_hash_table_work, compute_store_table)
+ * postreload-gcse.c (record_opr_changes)
+ * reload.c (find_equiv_reg)
+ * reload1.c (reload)
+ * config/i386/i386.c (ix86_can_use_return_insn_p):
+ Remove code conditional on NON_SAVING_SETJMP.
+ * doc/tm.texi: Delete documentation of NON_SAVING_SETJMP.
+
+ * config/i386/sysv3.h: Delete file.
+ * config/i386/i386.c (ix86_svr3_asm_out_constructor): Delete.
+
+2004-11-23 Dorit Naishlos <dorit@il.ibm.com>
+
+ * tree-vectorizer.c (vect_analyze_operations): Don't vectorize if
+ the vectorization factor is greater than the iteration count.
+ (vect_gen_niters_for_prolog_loop): No need to calculate min if the
+ iteration count is known.
+
+ (vect_build_symbol_bound): Removed. Its functionality moved to
+ vect_generate_tmps_on_preheader.
+ (vect_generate_tmps_on_preheader): Moved content of
+ vect_build_symbol_bound here instead of calling it. Changed some
+ variables names.
+
+ (vect_build_loop_niters): We don't expect a new_bb to be generated -
+ use gcc_assert.
+ (vect_gen_niters_for_prolog_loop): Likewise.
+ (vect_gen_niters_for_prolog_loo): Likewise.
+
+ (slpeel_make_loop_iterate_ntimes): Use buildN instead of build.
+ (slpeel_add_loop_guard): Likewise.
+ (slpeel_tree_peel_loop_to_edge): Likewise.
+ (vect_do_peeling_for_alignment): Likewise.
+
+ (vect_get_first_index): Missing space.
+
+2004-11-23 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/s390/s390.md ("*iordi3"): Mark commutative.
+ ("*iorsi3_zarch", "*iorsi3_esa"): Likewise.
+
+2004-11-23 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-phinode.c (resize_phi_node): Abort when LEN is strictly
+ greater than PHI_ARG_CAPACITY.
+ (reserve_phi_args_for_new_edge): Initialize the new PHI
+ argument to NULL_TREE. Increment PHI_NUM_ARGS.
+ (add_phi_arg): Add a PHI argument to the slot given by
+ E->dest_idx.
+ (remove_phi_arg_num): Do not write to PHI_ARG_EDGE.
+ * tree-flow-inline (phi_arg_from_edge): Return E->dest_idx.
+ * tree-ssa.c (ssa_redirect_edge): Check for a missing PHI
+ argument by looking at PHI_ARG_DEF.
+ (verify_phi_args): Check for a missing PHI argument. Remove
+ the check for duplicate PHI arguments.
+ * tree.h (PHI_ARG_EDGE): Redefine in terms of EDGE_PRED.
+ (phi_arg_d): Remove e.
+
+ * tree-cfg.c (tree_try_redirect_by_replacing_jump): Speed up
+ by restricting to the case with two outgoing edges.
+
+2004-11-23 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.c (s390_backchain_string): Removed.
+ (s390_return_addr_rtx, s390_back_chain_rtx, s390_frame_info)
+ (s390_emit_prologue, s390_va_start, s390_gimplify_va_arg):
+ Changed users of TARGET_BACKCHAIN, TARGET_NO_BACKCHAIN and
+ TARGET_KERNEL_BACKCHAIN to reflect the new options.
+ * config/s390/s390.h (MASK_BACKCHAIN, MASK_PACKED_STACK): New macros.
+ (TARGET_KERNEL_BACKCHAIN): Removed.
+ (TARGET_BACKCHAIN): Former triple state option change to a target flag.
+ (TARGET_PACKED_STACK): New macro.
+ (TARGET_SWITCHES): New switches added.
+ (TARGET_OPTIONS): "backchain", "no-backchain" and "kernel-backchain"
+ removed.
+ (DYNAMIC_CHAIN_ADDRESS): Use TARGET_PACKED_STACK.
+ * config/s390/s390.md ("allocate_stack", "restore_stack_block")
+ ("save_stack_nonlocal", "restore_stack_nonlocal"): Modified to reflect
+ the change in target switch semantics.
+ * config/s390/tpf.h (TARGET_DEFAULT_BACKCHAIN): Removed.
+ (TARGET_DEFAULT): MASK_BACKCHAIN added.
+ * doc/invoke.texi: Added documentation for the new/changed options.
+
+2004-11-23 Uros Bizjak <uros@kss-loka.si>
+
+ PR rtl-optimization/18614
+ * simplify-rtx.c (simplify_binary_operation): Do not
+ simplify inner elements of constant arguments of
+ VEC_CONCAT insn.
+
+2004-11-23 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * gthr-solaris.h (__gthread_recursive_mutex_init_function): Use
+ 0 instead of NULL.
+
+2004-11-23 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-phinode.c (make_phi_node): Use a new variable,
+ capacity, to receive the return value of ideal_phi_node_len.
+
+2004-11-23 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * gthr-solaris.h (__gthread_recursive_mutex_t): New type.
+ (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
+ __gthread_recursive_mutex_init_function.
+ (__gthread_key_create): Properly cast -1.
+ (__gthread_recursive_mutex_init_function): New function.
+ (__gthread_recursive_mutex_lock): Rewrite.
+ (__gthread_recursive_mutex_trylock): Likewise.
+ (__gthread_recursive_mutex_unlock): Likewise.
+
+2004-11-23 Ralf Corsepius <ralf.corsepius@rtems.org>
+
+ * config/c4x/t-rtems: New.
+ * config.gcc: Reflect having added c4x/t-rtems.
+
+2004-11-23 Dorit Naishlos <dorit@il.ibm.com>
+
+ PR tree-opt/18403
+ PR tree-opt/18505
+ * tree-vectorizer.c (vect_create_data_ref_ptr): Use
+ lang_hooks.types.type_for_size instead of integer_type_node for the
+ type of ptr_update.
+
+2004-11-23 Ralf Corsepius <ralf.corsepius@rtems.org>
+
+ * config.gcc (h8300-*-rtems*): Use h8300/t-rtems.
+
+2004-11-23 Ralf Corsepius <ralf.corsepius@rtems.org>
+
+ * config/arm/t-rtems: New.
+ * config.gcc: Reflect having added arm/t-rtems.
+
+2004-11-23 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-cfg.c (tree_execute_on_growing_pred): New.
+ (tree_cfg_hooks): Add tree_execute_on_growing_pred.
+ * tree-flow.h: Add a prototype for
+ reserve_phi_args_for_new_edge.
+ * tree-phinodes.c (reserve_phi_args_for_new_edge): New.
+ (add_phi_arg): Don't resize a PHI array.
+
+2004-11-23 Ralf Corsepius <ralf.corsepius@rtems.org>
+
+ * config.gcc: Add avr-*-rtems*.
+ * config/avr/t-rtems: New.
+ * config/avr/rtems.h: New.
+
+2004-11-22 Daniel Berlin <dberlin@dberlin.org>
+
+ * df.c (dataflow_set_a_op_b): Remove reslt parameter, since it's
+ always the same as op1. Use bitmap_ior_into and bitmap_and_into.
+ Add comment to function.
+
+2004-11-22 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR pch/14940
+ * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __hppa__.
+
+ PR rtl-optimization/14838
+ * emit-rtl.c (get_first_nonnote_insn): Don't assume first insn is a
+ note.
+ (get_last_nonnote_insn): Don't assume last insn is a note.
+
+2004-11-22 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (nondestructive_fold_binary_to_constant): Rename
+ to fold_binary_to_constant.
+ (nondestructive_fold_unary_to_constant): Likewise, rename to
+ fold_unary_to_constant.
+ (fold_relational_hi_lo): Update call to fold_binary_to_constant.
+ * tree.h (nondestructive_fold_binary_to_constant): Update prototype.
+ (nondestructive_fold_unary_to_constant): Likewise.
+ * tree-ssa-ccp.c (ccp_fold): Update calls to fold_unary_to_constant
+ and fold_binary_to_constant.
+ * tree-ssa-loop-niter.c (EXEC_BINARY, EXEC_UNARY): Delete macros.
+ (inverse, number_of_iterations_cond): Replace uses of EXEC_BINARY
+ and EXEC_UNARY with calls to fold_*nary_to_constant.
+ * tree-ssa-loop-ivopts.c (EXEC_BINARY, EXEC_UNARY): Delete macros.
+ (idx_find_step): Replace uses of EXEC_BINARY with calls to
+ fold_binary_to_constant.
+
+2004-11-22 Nick Clifton <nickc@redhat.com>
+
+ * sbitmap.c (sbitmap_union_of_preds): Remove redundant
+ initialisation of 'e'.
+
+2004-11-22 Roger Sayle <roger@eyesopen.com>
+
+ * config/i386/i386.h (TARGET_USE_FANCY_MATH_387): New macro.
+ * config/i386/i386.c (override_options): Set MASK_NO_FANCY_MATH_387
+ automatically for targets without TARGET_80387.
+ * config/i386/i386.md (sqrtsf2, sqrtsf2_1, sqrtsf2_i387, sqrtdf2,
+ sqrtdf2_1, sqrtdf2_i387, *sqrtextendsfdf2, sqrtxf2,
+ *sqrtextenddfxf2, *sqrtextendsfxf2, fpremxf4, fmodsf3, fmoddf3,
+ fmodxf3, fprem1xf4, dremsf3, dremdf3, dremxf3, *sindf2, *sinsf2,
+ *sinextendsfdf2, *sinxf2, *cosdf2, *cossf2, *cosextendsfdf2,
+ *cosxf2, sincosdf3, sincossf3, *sincosextendsfdf3, sincosxf3,
+ *tandf3_1, tandf2, *tansf3_1, tansf2, *tanxf3_1, tanxf2,
+ atan2df3_1, atan2df3, atandf2, atan2sf3_1, atan2sf3, atansf2,
+ atan2xf3_1, atan2xf3, atanxf2, asindf2, asinsf2, asinxf2,
+ acosdf2, acossf2, acosxf2, fyl2x_xf3, logsf2, logdf2, logxf2,
+ log10sf2, log10df2, log10xf2, log2sf2, log2df2, log2xf2,
+ fyl2xp1_xf3, log1psf2, log1pdf2, log1pxf2, *fxtractxf3, logbsf2,
+ logbdf2, logbxf2, ilogbsi2, *f2xm1xf2, *fscalexf4, expsf2,
+ expdf2, expxf2, exp10sf2, exp10df2, exp10xf2, exp2sf2, exp2df2,
+ exp2xf2, expm1df2, expm1sf2, expm1xf2, frndintxf2, rintdf2,
+ rintsf2, rintxf2, frndintxf2_floor, floordf2, floorsf2,
+ floorxf2, frndintxf2_ceil, ceildf2, ceilsf2, ceilxf2,
+ frndintxf2_trunc, btruncdf2, btruncsf2, btruncxf2,
+ frndintxf2_mask_pm, nearbyintdf2, nearbyintsf2, nearbyintxf2):
+ Simplify conditionals using TARGET_USE_FANCY_MATH_387.
+
+2004-11-22 Dale Johannesen <dalej@apple.com>
+
+ * config/darwin.h (JUMP_TABLES_IN_TEXT_SECTION): Conditionalize
+ properly and comment.
+
+2004-11-22 James A. Morrison <phython@gcc.gnu.org
+
+ * config/sparc/sparc.c: Include insn-codes.h and langhooks.h.
+ (sparc_init_builtins): New function.
+ (sparc_init_vis_builtins): Create builtin functions for VIS
+ instructions.
+ (sparc_expand_builtin): Expand builtin functions for VIS instructions.
+ (TARGET_INIT_BUILTINS): Define to sparc_init_builtins.
+ (TARGET_EXPAND_BUILTIN): Define to sparc_expand_builtin.
+ (def_builtin): New macro for creating builtin functions.
+ (P): New mode macro for pointer types.
+ (UNSPEC_FPACK16, UNSPEC_FPACK32, UNSPEC_FPACKFIX, UNSPEC_FEXPAND,
+ UNSPEC_FPMERGE, UNSPEC_MUL16AL, UNSPEC_MUL8UL, UNSPEC_MULDUL,
+ UNSPEC_ALIGNDATA, UNSPEC_ALIGNADDR, UNSPEC_PDIST): New constants.
+ (fpack16_vis, fpackfix_vis, fpack32_vis, fexpand_vis, fpmerge_vis,
+ fmul8x16_vis, fmul8x16au_vis, fmul8x16al_vis, fmul8sux16_vis,
+ fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis, pdist_vis,
+ faligndata<V64:mode>_vis, alignaddr<P:mode>_vis): New patterns.
+
+2004-11-22 Devang Patel <dpatel@apple.com>
+
+ * tree-if-conv.c (clean_predicate_lists): Clean all basic blocks.
+
+2004-11-22 Devang Patel <dpatel@apple.com>
+
+ * tree-if-conv.c (if_convertable_phi_p): Rename to ...
+ (if_convertible_phi_p): ... new name.
+ (if_convertable_modify_expr_p): Rename to ...
+ (if_convertible_modify_expr_p): ... new name.
+ (if_convertable_stmt_p): Rename to ...
+ (if_convertible_stmt_p): ... new name.
+ (if_convertable_bb_p): Rename to ...
+ (if_convertible_bb_p): ... new name.
+ (if_convertable_loop_p): Rename to ...
+ (if_convertible_loop_p): ... new name.
+
+2004-11-22 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR target/18444
+ * configure.ac (threading): Accept 'posix95'.
+ * configure: Regenerate.
+ * config.gcc (i[34567]86-*-solaris2*): On Solaris up to 2.6,
+ include sol26.h and default to posix95 threads if have_pthread_h.
+ (sparc-*-solaris2*): Likewise.
+ * gthr.h: Include gthr-posix95.h if _PTHREADS95 is defined.
+ * gthr-posix95.h: New file.
+ * config/sol26.h: New file.
+ * doc/install.texi (--enable-threads): Document 'posix95'.
+
+2004-11-23 Ben Elliston <bje@au.ibm.com>
+
+ * pointer-set.h (pointer_set_contains): Remove.
+ * pointer-set.c (pointer_set_contains): Likewise.
+
+2004-11-22 Dale Johannesen <dalej@apple.com>
+
+ * calls.c (expand_call): Do not call preserve_temp_slots.
+
+2004-11-22 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-flow.h: Remove the prototype for remove_phi_arg.
+ Add a prototype for remove_phi_args.
+ * tree-phinodes.c (remove_phi_arg): Remove.
+ (remove_phi_args): New.
+ * tree-ssa.c (ssa_remove_edge): Call remove_phi_args instead
+ of remove_phi_arg.
+
+ * cfg.c (unchecked_make_edge): Call execute_on_growing_pred
+ after making an edge.
+ (remove_edge): Call execute_on_shrinking_pred before removing
+ an edge.
+ (redirect_edge_succ): Call execute_on_growing_pred and
+ execute_on_shrinking_pred.
+ * cfghooks.c (execute_on_growing_pred): New.
+ (execute_on_shrinking_pred): Likewise.
+ * cfghooks.h (cfg_hooks): Add execute_on_growing_pred and
+ execute_on_shrinking_pred.
+ Add prototypes for execute_on_growing_pred and
+ execute_on_shrinking_pred.
+ * cfgrtl.c (rtl_cfg_hooks): Add NULL hooks to
+ execute_on_growing_pred and execute_on_shrinking_pred.
+ (cfg_layout_rtl_cfg_hook): Likewise.
+ * tree-cfg.c (tree_cfg_hooks): Likewise.
+
+ * tree-cfg.c (tree_execute_on_shrinking_pred): New.
+ (tree_cfg_hooks): Use it.
+ * tree-ssa.c (ssa_remove_edge): Don't call remove_phi_args.
+ (ssa_redirect_edge): Don't call remove_phi_arg_num.
+
+ * tree-phinodes.c (remove_phi_arg_num): Make it static.
+ * tree-flow.h: Remove the corresponding prototype.
+
+ * tree-ssa.c (ssa_remove_edge): Remove.
+ * tree-flow.h: Remove the corresponding prototype.
+ * tree-cfg.c: Replace ssa_remove_edge with remove_edge.
+ * basic-block.h: Likewise.
+ * tree-if-conv.c: Likewise.
+ * tree-ssa-threadupdate.c: Likewise.
+
+2004-11-23 Ben Elliston <bje@au.ibm.com>
+
+ * doc/cfg.texi (Maintaining the CFG): Use @ftable instead of
+ @table to list the BSI methods. Use individual @findex directives
+ instead of one with a comma-separated list of index entries.
+
+2004-11-22 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/18529
+ * fold-const.c (fold_to_nonsharp_ineq_using_bound): New function.
+ (simple_operand_p): Use STRIP_NOPS. Consider SSA names simple.
+ (fold): Call fold_to_nonsharp_ineq_using_bound.
+ * tree-ssa-loop-niter.c (simplify_replace_tree): New function.
+ (number_of_iterations_cond): Fold the expressions before futher
+ processing.
+ (tree_simplify_using_condition): Handle case when cond or expr is
+ an EQ_EXPR specially.
+
+2004-11-22 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa.c (verify_ssa): SSA_OP_ALL_USES should be
+ SSA_OP_ALL_USES | SSA_OP_ALL_KILLS for verification purposes.
+
+2004-11-22 David Edelsohn <edelsohn@gnu.org>
+ Fariborz Jahanian <fjahanian@apple.com>
+
+ * config/rs6000/rs6000.c (rs6000_return_in_memory): Test
+ TARGET_ALTIVEC_ABI.
+ (function_arg_boundary): Align 8 to 16 byte vectors like SPE.
+ Align 16 byte and larger vectors like Altivec.
+ (function_arg_advance): Pass any 16 byte vector like Altivec vector.
+ (function_arg): Same.
+ (rs6000_pass_by_references): Test TARGET_ALTIVEC_ABI.
+
+2004-11-22 Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR tree-opt/18572
+ * tree-sra.c (scalarize_init): Unshare the rhs before gimplifying
+ it.
+
+2004-11-22 Richard Henderson <rth@redhat.com>
+
+ * function.c (assign_parm_setup_block): Revert 11-13 change to
+ forcably re-mode a (possibly BLKmode) hard register.
+
+2004-11-22 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * config/sparc/sparc.c (mem_min_alignment): Check MEM_ALIGN.
+
+2004-11-22 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/power4.md: Remove delay between dispatch and issue
+ associated with dispatch group slots 3 and 4.
+ * config/rs6000/power5.md: Same.
+
+2004-11-21 Jeff Law <law@redhat.com>
+
+ * cfg.c (cached_make_edge): Use find_edge rather than an inlined
+ variant.
+ * cfgbuild.c (make_edges): Likewise.
+ * cfghooks.c (can_duplicate_block_p): Likewise.
+ * cfgloop.c (loop_latch_edge): Likewise.
+ * cfgloopmanip.c (force_single_succ_latches): Likewise.
+ * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
+ * predict.c (predict_loops, propagate_freq): Likewise.
+ * tracer.c (tail_duplicate): Likewise.
+ * tree-cfg.c (disband_implicit_edges): Likewise.
+ (tree_forwarder_block_p, tree_flow_call_edges_add): Likewise.
+
+2004-11-22 Nick Clifton <nickc@redhat.com>
+
+ * sbitmap.c (sbitmap_union_of_preds): Remove redundant
+ initialisation of 'e'.
+
+2004-11-22 Kazu Hirata <kazu@cs.umass.edu>
+
+ PR rtl-optimization/18599
+ * regrename.c (copyprop_hardreg_forward): Speed up by putting
+ BB_VISITED flags on basic blocks as we process them.
+
+2004-11-22 Nathan Sidwell <nathan@codesourcery.com>
+
+ PR target/18531
+ * config/rs6000/altivec.md (VI_char): New mode attribute.
+ (addv16qi3, addv8hi3, addv4ai3): Replace with ...
+ (add<mode>3): ... this.
+ (subv16qi3, subv8hi3, subv4ai3): Replace with ...
+ (sub<mode>3): ... this.
+ (smaxv16qi3, smaxv8hi3, smaxv4ai3): Replace with ...
+ (smax<mode>3): ... this.
+ (sminv16qi3, sminv8hi3, sminv4ai3): Replace with ...
+ (smin<mode>3): ... this.
+ (umaxv16qi3, umaxv8hi3, umaxv4ai3): Replace with ...
+ (umax<mode>3): ... this.
+ (uminv16qi3, uminv8hi3, uminv4ai3): Replace with ...
+ (umin<mode>3): ... this.
+ (andv16qi3, andv8hi3, andv4ai3): Replace with ...
+ (and<mode>3): ... this.
+ (iorv16qi3, iorv8hi3, iorv4ai3): Replace with ...
+ (ior<mode>3): ... this.
+ (xorv16qi3, xorv8hi3, xorv4ai3): Replace with ...
+ (xor<mode>3): ... this.
+ (andv16qi3, andv8hi3, andv4ai3): Replace with ...
+ (and<mode>3): ... this.
+ (iorv16qi3, iorv8hi3, iorv4ai3): Replace with ...
+ (ior<mode>3): ... this.
+ (altivec_vnor): Replace with ...
+ (altivec_nor<mode>): ... this.
+ (one_cmplv16qi2, one_cmplv8hi2, one_complv4ai2): Replace with ...
+ (one_cmpl<mode>2): ... this.
+ (altivec_vandc): New expander.
+ (*andc<mode>3): New insn.
+ * config/rs6000/rs6000.c (bdesc_2arg): Adjust for new insn names.
+
+2004-11-22 Dorit Naishlos <dorit@il.ibm.com>
+
+ PR tree-opt/18536
+ * tree-vectorizer.c (make_loop_iterate_ntimes): Use type of niters when
+ creating iv instead of integer_type.
+ (vect_build_loop_niters): Remove redundant code.
+ (vect_transform_loop_bound): Removed (duplicates functionality of
+ make_loop_iterate_ntimes.
+ (vect_gen_niters_for_prolog_loop): Add documentation. Call
+ lang_hooks.types.type_for_size to create a type of the required size.
+ Use that type instead of integer_type. Remove redundant code.
+ (vect_update_niters_after_peeling): Use type of niters instead of
+ integer_type.
+ (vect_transform_loop): Unify handling of known and unknown loop bound
+ cases. Call make_loop_iterate_ntimes instead of
+ vect_transform_loop_bound.
+
+2004-11-22 Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR target/18217
+ * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Move darwin-fallback.c to
+ (LIB2ADDEH): Here.
+
+2004-11-22 Dorit Naishlos <dorit@il.ibm.com>
+
+ PR tree-opt/18544
+ * tree-vectorizer.c (vect_analyze_data_refs): Fail if memtag not found.
+
+2004-11-22 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
+
+ * config.gcc: Use t-slibgcc-elf to build libgcc_s.so on
+ m32r*linux.
+ * config/m32r/t-linux (SHLIB_MAPFILES): Override to use
+ m32r/libgcc-glibc.ver.
+ * config/m32r/libgcc-glibc.ver: Add New file.
+
+2004-11-22 Nathan Sidwell <nathan@codesourcery.com>
+
+ * bitmap.h (struct bitmap_obstack): New obstack type.
+ (struct bitmap_head_def): Replace using_obstack with obstack
+ pointer.
+ (bitmap_default_obstack): New.
+ (bitmap_initialize): Make inline, does not do allocation.
+ (bitmap_release_memory): Remove.
+ (bitmap_obstack_initialize, bitmap_obstack_release): Declare.
+ (bitmap_obstack_alloc, bitmap_malloc_alloc, bitmap_gc_alloc,
+ bitmap_obstack_free, bitmap_malloc_free): Declare.
+ (BITMAP_OBSTACK_ALLOC, BITMAP_GGC_ALLOC, BITMAP_XMALLOC): Adjust.
+ (BITMAP_FREE): Replace with ...
+ (BITMAP_OBSTACK_FREE): ... this.
+ (BITMAP_XFREE): Adjust.
+ (BITMAP_INIT_ONCE): Remove.
+ * bitmap.c (bitmap_obstack, bitmap_obstack_init, bitmap_free: Remove.
+ (bitmap_default_obstack): New.
+ (bitmap_elem_to_freelist): Adjust.
+ (bitmap_element_allocate): Adjust. Break initialization into ...
+ (bitmap_obstack_initialize): ... here.
+ (bitmap_release_memory): Replace with ...
+ (bitmap_obstack_release): ... this.
+ (bitmap_obstack_alloc, bitmap_malloc_alloc, bitmap_gc_alloc,
+ bitmap_obstack_free, bitmap_malloc_free): New.
+ (bitmap_ior_and_compl, bitmap_ior_and_compl_into): Use
+ bitmap_initialize.
+ (bitmap_initialize): Move to bitmap.h.
+ * gengtype.c (open_base_files): Add obstack.h to ifiles.
+ * Makefile.in (BASIC_BLOCK_H, REGS_H): Add obstack.h.
+ * basic-block.h (INIT_REG_SET): Allocate from reg_obstack.
+ (INITIALIZE_REG_SET): Remove.
+ (FREE_REG_SET): Use BITMAP_OBSTACK_FREE.
+ (INIT_ONCE_REG_SET, MAX_REGNO_REG_SET): Remove.
+ (flow_obstack): Do not declare.
+ (reg_obstack): Declare.
+ * regs.h: Include obstack.h.
+ * tree-optimize.c (tree_rest_of_compilation): Initialize and
+ release bitmap obstack here.
+ * bb-reorder.c: #include regs, not basic-block.
+ (fix_crossing_conditional_branches): Allocate regsets from
+ reg_obstack.
+ * bt-load.c: Do not inlude bitmap.h, sbitmap.h, basic-block.h or
+ obstack.h.
+ * caller-save.c: Include regs.h earlier.
+ * cfg.c: Do not include basic-block.h or obstack.h.
+ (reg_obstack): Define.
+ * cfganal.c: Include obstack.h
+ * cfgcleanyp.c: Do not include basic-block.h. Include regs.h
+ earlier.
+ * cfglayout.c: Do not include obstack.h.
+ (flow_obstack): Remove declaration.
+ (cfg_layout_duplicate_bb): Use reg_obstack.
+ * cfgloop.c, cfgloopanal.c, cfgloopmanip.c: Include obstack.h.
+ * cfgrtl.c (rtl_split_block): Use reg_obstack.
+ (force_nonfallthru_and_redirect, rtl_split_edge): Likewise.
+ (safe_insert_insn_on_edge): Use OBSTACK_ALLOC_REG_SET, adjust.
+ (cfg_layout_split_edge): Use reg_obstack.
+ * cse.c: Include regs.h earlier.
+ * ddg.c: Do not include basic-block.h.
+ * dominance.c: Inlude obstack.h.
+ * flow.c (update_life_info): Use OBSTACK_ALLOC_REG_SET, adjust.
+ (calculate_global_regs_live): Likewise.
+ (allocate_bb_life_data): Use reg_obstack.
+ (init_propagate_block_info): Use OBSTACK_ALLOC_REGSET.
+ * global.c: Do not include basic-block.h.
+ (build_insn_chain): Use OBSTACK_ALLOC_REG_SET, adjust.
+ * graph.c: Include obstack.h.
+ * haifa-sched.c: Do not include basic-block.h.
+ * ifcvt.c: Use OBSTACK_ALLOC_REG_SET, adjust.
+ * local-alloc.c: Do not include basic-block.h.
+ * loop-init.c, loop-invariant.c: Include obstack.h.
+ * loop-iv.c: Likewise.
+ (simplify_using_initial_values): Use OBSTACK_ALLOC_REG_SET,
+ adjust.
+ * loop-unroll.c, loop-unswitch.c: Inlude obstack.h.
+ * modulo-sched.c: Do not include basic-block.h.
+ * passes.c (rest_of_handle_final): Do not call
+ regset_release_memory.
+ * ra-debug.c: Include regs.h earlier. Do not include
+ basic-block.h.
+ * recog.c (peephole2_optimize): Use OBSTACK_ALLOC_REG_SET, adjust.
+ * regclass.c (init_reg_sets): Do not call INIT_ONCE_REG_SET.
+ (allocate_reg_info): Do not call MAX_REGNO_REG_SET.
+ (regset_release_memory): Remove.
+ * resource.c: Do not include basic-block.h.
+ * rtlanal.c: Do not include basic-block.h.
+ * sbitmap.c: Include obstack.h.
+ * sched-deps.c: Do not include basic-block.h.
+ (reg_pending_sets_head, reg_pending_clobbers_head,
+ reg_pending_uses_head): Remove.
+ (init_deps_global): Use OBSTACK_ALLOC_REG_SET.
+ * sched-ebb.c: Do not include basic-block.h.
+ * sched-rgn.c: Likewise.
+ * tree-if-conv.c (get_loop_body_in_if_conv_order): Use
+ BITMAP_XFREE.
+ * tree-outof-ssa.c (perform_edge_inserts): Use BITMAP_XFREE.
+ * tree-sra.c (decide_instantiations): Adjust bitmap
+ initialization.
+ * tree-ssa-dce.c: Include obstack.h.
+ * tree-ssa-pre.c (grand_bitmap_obstack): Make a bitmap_obstack.
+ (value_insert_into_set_bitmap): Remove useless bitmap_clear.
+ (bitmap_set_new): Likewise.
+ (init_pre): Initialize bitmap obstack.
+ (fini_pre): Release bitmap obstack.
+ * tree-ssanames.c (ssa_names_to_rewrite): Make static.
+ (marked_for_rewrite_p): ssa_names_to_rewrite is never NULL.
+ (mark_for_rewrite, unmark_for_rewrite): Likewise.
+ (marked_ssa_names): Likewise.
+ (init_ssanames): Use BITMAP_XMALLOC.
+ (fini_ssanames): Use BITMAP_XFREE.
+ * web.c: Include obstack.h
+
+2004-11-22 Nick Clifton <nickc@redhat.com>
+
+ * sbitmap.c (sbitmap_union_of_preds): Set 'e' to the next edge
+ predecessor in the first for-loop.
+
+2004-11-21 Stan Shebs <shebs@apple.com>
+
+ * config/rs6000/rs6000.c: (rs6000_darwin64_function_arg): Add
+ UNION_TYPE case.
+ (function_arg): Move darwin test up, sniff mode first for
+ efficiency, test for union type.
+
+2004-11-21 Dale Johannesen <dalej@apple.com>
+
+ * config/darwin.h (JUMP_TABLES_IN_TEXT_SECTION): Define.
+
+2004-11-21 Jeff Law <law@redhat.com>
+
+ * tree-ssa.c (verify_use): Fix comment.
+ (verify_phi_args): Check that the number of incoming edges matches
+ the number of PHI arguments. Check that each PHI argument is
+ either an SSA_NAME or an invariant. Coalesce tests for PHIs for
+ dead or duplicated edges. Clear e->aux earlier and avoid separate
+ loop to clear e->aux and test for missed edges.
+ (verify_ssa): Remove first walk over statements. Move checking
+ of PHI args into verify_phi_args. Move checking of statements
+ with aliased stores and V_MAY_DEFS into the remaining loop over
+ the statements. Register defs by walking through the formal
+ SSA_NAME table.
+
+2004-11-21 Roger Sayle <roger@eyesopen.com>
+
+ PR middle-end/18520
+ * dojump.c (compare_from_rtx): Clarify mode argument in function
+ description. Correct order of mode/cmp_mode arguments in call to
+ simplify_relational_operation. Check "tem" for COMPARISON_P.
+
+2004-11-21 Paolo Bonzini <bonzini@gnu.org>
+ David Edelsohn <edelsohn@gnu.org>
+
+ PR target/17836
+ * config/rs6000/rs6000.c (rs6000_return_in_memory): Return
+ synthetic vectors in memory.
+ (function_arg_boundary): Align large synthetic vectors.
+ (rs6000_pass_by_reference): Pass synthetic vectors in memory.
+
+2004-11-21 Jeff Law <law@redhat.com>
+
+ * cfg.c (update_bb_profile_for_threading): Do not rescale the
+ successor probabilities if they are not going to change. Pull
+ division out of loop if we do need to rescale successor probabilities.
+
+ * tree-ssa-threadupdate.c (redirection_data_hash): Use the
+ index of the destination block for the hash value rather than
+ hashing a pointer.
+
+2004-11-20 Joseph S. Myers <joseph@codesourcery.com>
+
+ * c-typeck.c (build_array_ref): Don't check for index == 0. Make
+ checks for neither argument being an array or pointer (swapping
+ the arguments if necessary), the array argument being a pointer to
+ or array of functions and for -Wchar-subscripts warnings upfront.
+
+2004-11-20 Jeff Law <law@redhat.com>
+
+ * regrename.c (copyprop_hardreg_forward): Only search for a
+ previously processed block if the current block only has one
+ predecessor.
+
+2004-11-20 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-ssa-threadupdate.c, tree-vectorizer.c: Fix comment
+ typos.
+ * config/arm/arm.c: Follow spelling conventions.
+
+2004-11-20 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (arm_override_options): Use arm_ld_sched rather than testing
+ a bit in tune_flags.
+ (const_double_needs_minipool): Likewise. Split most of the code out
+ into ...
+ (arm_const_double_inline_cost): ... new function here.
+ * arm-protos.h (arm_const_double_inline_cost): Add prototype.
+ * arm.h (EXTRA_CONSTRAINT_STR_ARM): Add D[abc] constraints for double-
+ word constants of length 2, 3 and 4 insns respectively.
+ (CONSTRAINT_LEN): The 'D' prefix is a 2-letter constraint.
+ * arm.md (arm_movdi, movdf_soft_insn): Add alternatives for D[abc]
+ constraints. Set insn lenghts accordingly.
+
+2004-11-19 Jeff Law <law@redhat.com>
+
+ * tree-ssa-threadupdate.c: Replace REDIRECTION_DATA varray with
+ a hash table. Extensive modifications throughout to support
+ that change.
+ (struct el): New.
+ (struct local_info): New.
+ (struct redirection_data): Add new INCOMING_EDGES and DO_NOT_DUPLICATE
+ fields.
+ (redirection_data): Now a hashtable.
+ (redirection_data_hash, redirection_data_eq): New.
+ (lookup_redirection_data, create_duplicates): New.
+ (create_edge_and_update_destionation_phis): New.
+ (fixup_template_block, redirect_edges): New.
+ (thread_block): Use hash table traversals instead of loops over
+ varray entries or incoming edge vectors.
+
+2004-11-19 Kazu Hirata <kazu@cs.umass.edu>
+
+ * basic-block.h (edge_def): Add dest_idx.
+ * cfg.c (unchecked_make_edge): Initialize dest_idx.
+ (remove_edge): Simplify the disconnection of an edge from its
+ destination.
+ (redirect_edge_succ): Likewise.
+ * cfghooks.c (verify_flow_info): Check the consistency of
+ dest_idx for each edge.
+
+2004-11-19 Aldy Hernandez <aldyh@redhat.com>
+
+ * simplify-rtx.c (simplify_ternary_operation): Use
+ gen_int_mode.
+
+2004-11-19 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-cfg.c (reinstall_phi_args): New.
+ (tree_split_edge): Use it after redirecting an edge. Don't
+ modify PHI_ARG_EDGE.
+
+2004-11-19 Andreas Tobler <a.tobler@schweiz.ch>
+
+ * tree-vectorizer.c (slpeel_verify_cfg_after_peeling): Define only
+ if checking is enabled.
+
+2004-11-19 Joseph S. Myers <joseph@codesourcery.com>
+
+ * c-decl.c (push_scope): Remove "\n" from end of diagnostic for
+ too many nested scopes.
+
+2004-11-19 Dorit Naishlos <dorit@il.ibm.com>
+
+ PR tree-opt/18181
+ * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Peeling scheme
+ changed to suppoer uses-after-loop and to void creating flow paths
+ that shouldn't exist.
+ (slpeel_update_phi_nodes_for_guard): Takes additional two arguments.
+ Modified to fit the new peeling scheme. Avoid quadratic behavior.
+ (slpeel_add_loop_guard): Takes additional argument.
+ (slpeel_verify_cfg_after_peeling): New function.
+ (vect_update_ivs_after_vectorizer): Takes additional argument. Updated
+ documentation. Use 'exit-bb' instead of creating 'new-bb'.
+ (rename_variables_in_bb): Don't update phis for BBs out of loop, to fit
+ the new peeling scheme.
+ (copy_phi_nodes): Function removed. Its functionality moved to
+ update_phis_for_duplicate_loop.
+ (slpeel_update_phis_for_duplicate_loop): Functionality of copy_phi_nodes
+ moved here. Added documentation. Modified to fit the new peeling scheme.
+ (slpeel_make_loop_iterate_ntimes): Setting loop->single_exit not not
+ needed - done in slpeel_tree_peel_loop_to_edge.
+ (slpeel_tree_duplicate_loop_to_edge_cfg): Debug printouts compacted.
+ (vect_do_peeling_for_loop_bound): Add documentation. Call
+ slpeel_verify_cfg_after_peeling. Call vect_update_ivs_after_vectorizer
+ with additional argument.
+ (vect_do_peeling_for_alignment): Call slpeel_verify_cfg_after_peeling.
+
+ (vect_finish_stmt_generation): Avoid 80 column oveflow.
+
+2004-11-19 Dorit Naishlos <dorit@il.ibm.com>
+
+ * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Last two
+ arguments removed.
+ (slpeel_tree_peel_loop_to_edge): Call slpeel_make_loop_iterate_ntimes
+ without last two arguments. Update single_exit of loops.
+ (vect_update_niters_after_peeling): Removed. Its functionality was
+ moved to vect_do_peeling_for_alignment.
+ (vect_do_peeling_for_loop_bound): New name for function previously
+ called vect_transform_for_unknown_loop_bound.
+ (vect_transform_loop_bound): Call slpeel_make_loop_iterate_ntimes
+ instead of code that duplicates the same functionality.
+ (vect_do_peeling_for_alignment): Functionality of
+ vect_update_niters_after_peeling moved here.
+ (vect_transform_loop): Unify call to vect_do_peeling_for_loop_bound -
+ previously named vect_transform_for_unknown_loop_bound - for both known
+ and unknown loop bound cases.
+
+2004-11-19 Dorit Naishlos <dorit@il.ibm.com>
+
+ * tree-vectorizer.c (slpeel_can_duplicate_loop_p): New name for function
+ previously called verify_loop_for_duplication. All conditions compacted
+ into one compound condition. Removed debug dumps.
+ (vect_analyze_loop_with_symbolic_num_of_iters): Removed. Some of the
+ functionality moved to vect_can_advance_ivs_p, and some to
+ vect_analyze_loop_form.
+ (vect_can_advance_ivs_p): New function. Contains functionality that was
+ taken out of vect_analyze_loop_with_symbolic_num_of_iters.
+ (slpeel_tree_peel_loop_to_edge): Call slpeel_can_duplicate_loop_p.
+ (vect_analyze_operations): Call vect_can_advance_ivs_p and
+ slpeel_can_duplicate_loop_p.
+ (vect_get_loop_niters): Added documentation.
+ (vect_analyze_loop_form): Check the loop entry always - not only in case
+ of unknown loop bound. Create preheader and exit bb if necessary. Apply
+ a check that used to take place in
+ vect_analyze_loop_with_symbolic_num_of_iters.
+ (vectorize_loops): Call verify_loop_closed_ssa under ENABLE_CHECKING.
+ Remove redundant call to rewrite_into_loop_closed_ssa.
+ (vect_compute_data_refs_alignment): Removed obsolete comment.
+
+2004-11-19 Dorit Naishlos <dorit@il.ibm.com>
+
+ * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): New name for
+ function previously called tree_duplicate_loop_to_edge.
+ (slpeel_tree_duplicate_loop_to_edge_cfg): New name for function
+ previously called tree_duplicate_loop_to_edge_cfg.
+ (slpeel_update_phis_for_duplicate_loop): Prefix 'slpeel' added to
+ function name.
+ (slpeel_update_phi_nodes_for_guard): Likewise.
+ (slpeel_make_loop_iterate_ntimes): Likewise.
+ (slpeel_add_loop_guard): Likewise.
+ (allocate_new_names, free_new_names): Function declaration moved to top
+ of file.
+ (rename_use_op, rename_def_op): Likewise.
+ (rename_variables_in_bb, rename_variables_in_loop): Likewise.
+ (vect_generate_tmps_on_preheader): Function declaration moved.
+ (vect_transform_for_unknown_loop_bound): Added missing function
+ declaration.
+
+2004-11-19 Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR tree-opt/18507
+ * tree-flow.h (tree_on_heap): Typedef because there is already a VEC(tree).
+ Define a VEC(tree_on_heap) for head.
+ (register_new_def): Change second argument to be a VEC(tree_on_heap).
+ * tree-ssa-dom.c (block_defs_stack): Change to be a VEC(tree_on_heap).
+ (tree_ssa_dominator_optimize): Initialize block_defs_stack with
+ the VEC(tree_on_heap) function. Also free it before returning.
+ (dom_opt_initialize_block): Use VEC_safe_push instead of VARRAY_PUSH_TREE
+ for block_defs_stack.
+ (restore_currdefs_to_original_value): Use VEC_length instead of
+ VARRAY_ACTIVE_SIZE. VEC_pop instead of VARRAY_TOP_TREE/VARRAY_POP.
+ (dom_opt_finalize_block): Use VEC_safe_push instead of VARRAY_PUSH_TREE
+ for block_defs_stack.
+ * tree-into-ssa.c (block_defs_stack): Change to be a VEC(tree_on_heap).
+ (rewrite_initialize_block): Use VEC_safe_push instead of VARRAY_PUSH_TREE
+ for block_defs_stack.
+ (ssa_register_new_def): Likewise.
+ (ssa_rewrite_initialize_block): Likewise.
+ (rewrite_finalize_block): Use VEC_length instead of
+ VARRAY_ACTIVE_SIZE. VEC_pop instead of VARRAY_TOP_TREE/VARRAY_POP.
+ (ssa_rewrite_finalize_block): Likewise.
+ (register_new_def): Change second argument to be a VEC(tree_on_heap).
+ Use VEC_safe_push instead of VARRAY_PUSH_TREE.
+ (rewrite_blocks): Initialize block_defs_stack with
+ the VEC(tree_on_heap) function. Also free it before returning.
+ (rewrite_ssa_into_ssa): Likewise.
+
+2004-11-19 Fariborz Jahanian <fjahanian@apple.com>
+
+ * config/darwin.c (machopic_data_defined_p): return 1 for
+ MACHOPIC_DEFINED_FUNCTION.
+
+2004-11-19 Jeff Law <law@redhat.com>
+
+ * tree-ssa.c (verify_ssa): Remove redundant checking of PHI
+ arguments.
+
+2004-11-19 Paul Brook <paul@codesourcery.com>
+
+ PR target/17735
+ * varasm.c (default_assemble_integer): Allow pointer-sized values.
+ Expand comment.
+
+2004-11-19 Nick Clifton <nickc@redhat.com>
+
+ * config/stormy16/stormy16.c (combine_bnp): Add code to handle
+ zero_extension and lshiftrt insns.
+ Replace uses of XEXP(...) with either SET_DEST() or SET_SRC()
+ where appropriate.
+ * config/stormy16.stormy16.md (bclrx3, bsetx3): New patterns
+ to handle bp and bn insn patterns with a zero_extend rtx
+ inside them.
+
+2004-11-19 Ian Lance Taylor <ian@wasabisystems.com>
+
+ * config/arm/arm.md (generic_sched): Make const.
+
+2004-11-19 Kazu Hirata <kazu@cs.umass.edu>
+
+ * emit-rtl.c (classify_insn): Make it static.
+ * rtl.h: Remove the corresponding prototype.
+
+ * integrate.c (has_func_hard_reg_initial_val,
+ get_func_hard_reg_initial_val): Make them static.
+ * integrate.h: Remove the corresponding prototypes.
+
+2004-11-19 Ben Elliston <bje@au.ibm.com>
+
+ * dwarf2asm.h (dw2_asm_output_pcel): Stub out with #if 0.
+ (dw2_asm_output_delta_sleb128): Likewise.
+ * dwarf2asm.c (dw2_asm_output_pcrel): Likewise.
+ (dw2_asm_output_delta_sleb128): Likewise.
+
+2004-11-19 Adam Nemet <anemet@lnxw.com>
+
+ * tree-ssa-alias.c: Fix comment.
+
+2004-11-19 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-outof-ssa.c: Fix a comment typo.
+
+2004-11-19 Ben Elliston <bje@au.ibm.com>
+
+ * predict.h (predict_insn): Remove extern declaration.
+ * predict.c (predict_insn): Make static.
+
+2004-11-19 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/rs6000.c (function_arg): Don't return BLKmode regs.
+
2004-11-18 Nicolas Pitre <nico@cam.org>
* config/arm/arm.c (const_double_needs_minipool): New function to
altivec_lvx_4sf): Rename and replace with ...
(altivec_lvx_<mode>): ... mode macro version.
(altivec_stvx_4si, altivec_stvx_8hi, altivec_stvx_16qi,
- altivec_stvx_4sf): Rename and replace with ...
+ altivec_stvx_4sf): Rename and replace with ...
(altivec_stvx_<mode>): ... mode macro version.
(movv4si, movv8hi, movv16qi, movv4sf}): Replace with ...
(mov<mode>): ... mode macro version.
2004-11-18 Uros Bizjak <uros@kss-loka.si>
- * configure/i386/i386.md (*fix_trunch_1): Add "&& 1" to
- insn split constraint.
- (define_peephole2): Remove unneeded "&& 1" from peephole2
- constraints.
+ * configure/i386/i386.md (*fix_trunch_1): Add "&& 1" to
+ insn split constraint.
+ (define_peephole2): Remove unneeded "&& 1" from peephole2
+ constraints.
2004-11-18 Ben Elliston <bje@au.ibm.com>
* config/i386/i386.c (i386_solaris_elf_named_section): Mark with
ATTRIBUTE_UNUSED.
-
+
2004-11-17 Zack Weinberg <zack@codesourcery.com>
* defaults.h, config/darwin.h: Don't define TARGET_SUPPORTS_HIDDEN.
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