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2004-11-23 Ralf Corsepius <ralf.corsepius@rtems.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index 1e2265c..3a0b972 100644 (file)
@@ -1,3 +1,889 @@
+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  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>
+
+       * 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
+       determine if a CONST_DOUBLE should be pushed to the minipool.
+       (note_invalid_constants): Use it.
+
+2004-11-18  Paul Brook  <paul@codesourcery.com>
+
+       * config/arm/arm.c (target_float_switch): New variable..
+       (arm_override_options): Use TARGET_DEFAULT_FLOAT_ABI and
+       target_float_switch.
+       * config/arm/arm.h (target_float_switch): Declare.
+       (ARM_FLAG_SOFT_FLOAT): Remove.
+       (TARGET_SWITCHES): Remove hard-float and soft-float.
+       (TARGET_OPTIONS): Add hard-float and soft-float.
+       (TARGET_DEFAULT_FLOAT_ABI): Define.
+       * config/arm/coff.h (TARGET_DEFAULT_FLOAT_ABI): Define
+       (TARGET_DEFAULT): Don't use ARM_FLAG_SOFT_FLOAT.
+       * config/arm/elf.h: Don't use ARM_FLAG_SOFT_FLOAT.
+       * config/arm/netbsd-elf.h: Ditto.
+       * config/arm/netbsd.h: Ditto.
+       * config/arm/pe.h: Ditto.
+       * config/arm/unknown-elf.h: Ditto.
+       * config/arm/wince-pe.h: Ditto.
+       * config/arm/linux-elf.h (TARGET_DEFAULT_FLOAT_ABI): Define.
+       * config/arm/semi.h (TARGET_DEFAULT_FLOAT_ABI): Define.
+       * config/arm/semiaof.h (TARGET_DEFAULT_FLOAT_ABI): Define.
+
+2004-11-18  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * config/rs6000/altivec.md (VI, VF, V): New mode macros.
+       (altivec_lvx_4si, altivec_lvx_8hi, altivec_lvx_16qi,
+       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_<mode>): ... mode macro version.
+       (movv4si, movv8hi, movv16qi, movv4sf}): Replace with ...
+       (mov<mode>): ... mode macro version.
+       (*movv4si_internal, *movv8hi_internal1, *movv16qi_internal1,
+       *movv4sf_internal1): Replace with ...
+       (*mov<mode>_internal): ... mode macro version.
+       (get_vrsave_internal, *set_vrsave_internal, *save_world,
+       *restore_world): Unquote output statements.
+       * config/rs6000/rs6000.c (altivec_expand_ld_builtin,
+       altivec_expand_st_builtin): Adjust insn names.
+
+2004-11-18  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/rs6000/rs6000.c (rs6000_complex_function_value): Revert
+       previous change.
+       (rs6000_override_options): Likewise.
+       (spe_build_register_parallel): Handle complex doubles on e500v2.
+       (rs6000_spe_function_arg): Likewise.
+       (function_arg): Likewise.
+       (rs6000_function_value): Likewise.
+       (rs6000_libcall_value): Likewise.
+
+2004-11-18  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       * ifcvt.c (find_if_block): Move the check for the number of edges
+       above the loops checking for complex edges.
+       Remove the counting of edges as we use EDGE_COUNT now.
+
+2004-11-18  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.comn>
+
+       * config/m32r/linux.h (TARGET_ASM_FILE_END): Set
+       TARGET_ASM_FILE_END to file_end_indicate_exec_stack.3
+
+2004-11-18  Andreas Schwab  <schwab@suse.de>
+
+       * config/i386/i386.md (define_peephole2): Revert last change.
+
+2004-11-18  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.comn>
+
+       * config/m32r/linux.h (TARGET_ASM_FILE_END): Set
+       TARGET_ASM_FILE_END to file_end_indicate_exec_stack.
+
+2004-11-18  Diego Novillo  <dnovillo@redhat.com>
+
+       * tree-ssa-propagate.c (ssa_prop_init): Use FOR_ALL_BB instead
+       of FOR_EACH_BB.
+
+2004-11-18  Jon Grimm <jgrimm2@us.ibm.com>
+
+       * Makefile.in (macro_list): Depend on s-macro_list.
+       (s-macro_list): New target.
+
+2004-11-18  Nathan Sidwell  <nathan@codesourcery.com>
+
+       PR target/17107
+       * fold-const.c (RANGE_TEST_NON_SHORT_CIRCUIT): Rename to ...
+       (LOGICAL_OP_NON_SHORT_CIRCUIT): ... here.
+       (fold_range_test): Adjust.
+       (fold_truthop): Use it.
+       * config/rs6000/rs6000.h (RANGE_TEST_NON_SHORT_CIRCUIT): Rename to ...
+       (LOGICAL_OP_NON_SHORT_CIRCUIT): ... here.
+
+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.
+
+2004-11-18  Ben Elliston  <bje@au.ibm.com>
+
+       * doc/cfg.texi (Maintaining the CFG): Remove duplicated @item
+       element for bsi_prev; use @findex instead.
+
+2004-11-18  Ben Elliston  <bje@au.ibm.com>
+
+       * opts.h (add_input_filename): Remove extern declaration.
+       * opts.c (add_input_filename): Make static.
+
+2004-11-17  Mark Mitchell  <mark@codesourcery.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.