+2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
+ * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
+ pa/t-pa.
+ * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
+ pa/t-pa.
+ * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
+ pa/x-ada.
+ * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
+ * pa/t-pa64: Delete quadlib.c rule.
+ * pa/x-ada: Revert last change.
+ * pa/t-pa: Revert last change. Delete quadlib.c rule.
+
+2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/26087
+ * rtlanal.c (canonicalize_condition): Do not cross basic block
+ boundaries.
+
+2006-02-04 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/24444
+ * config/ia64/ia64.c: Include debug.h.
+ (MAX_ARTIFICIAL_LABEL_BYTES): New.
+ (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
+ (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
+ (process_epilogue, process_set, process_for_unwind_directive):
+ Output unwind info only if requested. Add CFA info if requested.
+ Add new arguments as needed. Adjust callers.
+ * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
+ incorrect default.
+ (DWARF2_FRAME_INFO): Define to zero.
+ * config/ia64/unwind-ia64.c: Remove code that compensated for
+ the CFA offset error fixed above.
+ * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
+ * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
+ (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
+ -funwind-tables and -fexceptions to enable frame info.
+ (dwarf2out_frame_init): Define initial CFA even if
+ DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
+ DWARF2_UNWIND_INFO is nonzero, not just defined.
+ (dwarf2out_frame_finish): Output non-EH call frame info only
+ if DWARF2_FRAME_INFO is nonzero.
+ (convert_cfa_to_loc_list,
+ compute_frame_pointer_to_cfa_displacement): Define even if
+ unwind info is not supported.
+ (gen_subprogram_die): Use the above unconditionally. Remove
+ legacy alternate code.
+ * toplev.c (compile_file): Compile in call to
+ dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
+ (lang_dependent_init): Ditto for dwarf2out_frame_init.
+
+2006-02-04 David Edelsohn <edelsohn@gnu.org>
+ Jakub Jelinek <jakub@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
+ IBM extended float format long double as "g" on powerpc*-linux.
+
+2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/25926
+ * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
+ * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
+
+2006-02-03 Jason Merrill <jason@redhat.com>
+
+ PR c++/25979
+ * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
+
+ PR middle-end/25977
+ * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
+ on the return slot if it's an NRV.
+
+2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
+ (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
+ rewrite_use): Do not handle USE_OUTER.
+ (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
+ add_iv_outer_candidates, may_replace_final_value,
+ determine_use_iv_cost_outer, rewrite_use_outer): Removed.
+ (find_interesting_uses_op): Functionality of
+ find_interesting_uses_outer_or_nonlin moved here.
+ (find_interesting_uses_outside): Use find_interesting_uses_op.
+
+2006-02-03 Alan Modra <amodra@bigpond.net.au>
+
+ PR target/25960
+ * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
+
+2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
+ Ulrich Weigand <uweigand@de.ibm.com>
+
+ PR target/25864
+ * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
+ "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
+ * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
+ * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
+ and dxr fields.
+ (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
+ (s390_rtx_costs): Use the new fields to calculate rtx costs.
+ (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
+ Define secondary reloads for TFmode moves.
+ (constant_modes): Add TFmode.
+ (NR_C_MODES): Set to 8.
+ * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
+ builtin define.
+ (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
+ (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
+ CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
+ * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
+ fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
+ (FPR mode macro): Add TFmode.
+ (DSF mode macro): New.
+ (<de>, <dee> mode attributes): Removed.
+ (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
+ ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
+ "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
+ "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
+ "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
+ "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
+ "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
+ "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
+ "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
+ "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
+ "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
+ "*negabs<mode>2", "sqrt<mode>2"):
+ Changed <de> to <xde>. R constraint replaced by <Rf>.
+ ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
+ <Rf>.
+ ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
+ ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
+ ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
+ splitters.
+ ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
+ "extenddftf2", "extendsftf2"): New expanders.
+ ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
+ "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
+ "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
+ * config/s390/s390.opt (mlong-double-128, mlong-double-64):
+ New options.
+ * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
+ * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
+ __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
+ __floatditf): Add a GCC_4.1.0 symbol version tag.
+ * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
+ the new options.
+
+2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR target/25377
+ * config/i386/i386.c (ix86_function_ok_for_sibcall):
+ Use targetm.binds_local_p instead of TREE_PUBLIC.
+
+2006-02-02 Roger Sayle <roger@eyesopen.com>
+
+ * tree.h (TYPE_STRING_FLAG): Document that this field may be used
+ on INTEGER_TYPEs to indicate that it denotes a character type.
+ * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
+ signed_char_type_node, unsigned_char_type_node and char_type_node.
+ * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
+ INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
+ a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
+
+2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
+ Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-tailcall.c (arg_needs_copy_p): New function.
+ (eliminate_tail_call): Use arg_needs_copy_p.
+ (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
+ (add_virtual_phis): New function.
+
+2006-02-02 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (sparc_output_scratch_registers): Use
+ #ignore instead of #scratch for %g7 .register directive.
+
+2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
+
+ * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
+ object files.
+
+2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * flow.c (calculate_global_regs_live): Assert that there aren't any
+ EDGE_FAKE edges.
+
+2006-02-02 Paolo Bonzini <bonzini@gnu.org>
+
+ * tree-flow-inline.h (bsi_after_labels): Rewrite, return
+ what its name says.
+ * lambda-code.c (perfect_nestify): Use bsi_insert_before on
+ bsi_after_labels iterator.
+ * tree-if-conv.c (find_phi_replacement_condition,
+ replace_phi_with_cond_modify_expr): Likewise.
+ * tree-scalar-evolution.c (scev_const_prop): Likewise.
+ * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
+
+2006-02-02 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
+
+2006-02-02 Diego Novillo <dnovillo@redhat.com>
+
+ PR 25990
+ * tree-cfg.c (move_block_to_fn): Clear out the basic block
+ array after growing it.
+
+2006-02-01 Steve Ellcey <sje@cup.hp.com>
+
+ PR middle-end/24901
+ * fold-const.c (fold_checksum_tree): Change type of buf.
+
+2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * reload.c (push_secondary_reload): Initialize t_icode.
+
+2006-02-01 Jakub Jelinek <jakub@redhat.com>
+
+ * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
+ -msoft-float -mlong-double-128 only issue a warning, but don't
+ swich to DFmode long double.
+
+2006-02-01 Hans-Peter Nilsson <hp@axis.com>
+
+ * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
+ has a constant equivalent, iterate over equivalents for arg0,
+ calling simplify_relational_operation and if there's a result
+ cheaper than X, apply fold_rtx and return the result.
+
+2006-02-01 Jan Hubicka <jh@suse.cz>
+
+ * opts.c (no_unit_at_a_time_default): New global variable.
+ (decode_options): Use it.
+ * opts.h (no_unit_at_a_time_default): Declare.
+
+2006-02-01 Paul Brook <paul@codesourcery.com>
+
+ * function.c (assign_parm_setup_reg): Use function argument promotion
+ rules.
+ * expr.c (expand_expr_real_1): Use function argument promotion rules
+ for PARM_DECLs.
+
+2006-02-01 Steve Ellcey <sje@cup.hp.com>
+
+ * gcc.c (process_command): Change j to 'unsigned int'.
+
+2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR middle-end/26001
+ * expr.c (expand_expr_real_1) <case ARRAY_REF>:
+ Use the corrected index for the character
+ out of the string constant.
+
+2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * mode-switching.c (optimize_mode_switching): Fix size
+ allocated for bb_info[n_entities].
+
+2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * gcc.c (main): Correct type that is allocated for
+ explicit_link_files.
+
+2006-01-31 Jakub Jelinek <jakub@redhat.com>
+
+ * config/s390/s390.c (init_alignment_context): Set
+ ALIAS_SET_MEMORY_BARRIER on the MEM.
+ * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
+
+2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
+
+ PR middle-end/25933
+ * loop-unroll.c (unroll_loop_runtime_iterations): Free
+ dom_bbs pointer.
+ * tree-ssa-live.c (type_var_init): Allocate bitmap after
+ call to tpa_init.
+
+2006-01-31 Marcin Dalecki <martin@dalecki.de>
+
+ * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
+ * regrename.c: Ditto.
+ * tree-ssa-loop-im.c: Ditto.
+ * tree-dump.c: Ditto.
+ * tree-complex.c: Ditto.
+ * genrecog.c: Ditto.
+ * tree-ssa-threadupdate.c: Ditto.
+ * tracer.c: Ditto.
+ * java/class.c: Ditto.
+ * java/jcf-parse.c: Ditto.
+ * java/resource.c: Ditto.
+ * java/except.c: Ditto.
+ * java/jvspec.c: Ditto.
+ * java/jcf-write.c: Ditto.
+ * java/jcf-path.c: Ditto.
+ * java/gjavah.c: Ditto.
+ * java/zextract.c: Ditto.
+ * java/jcf-io.c: Ditto.
+ * java/jcf.h: Ditto.
+ * java/buffer.c: Ditto.
+ * java/lang.c: Ditto.
+ * java/parse-scan.y: Ditto.
+ * java/lex.c: Ditto.
+ * java/lex.h: Ditto.
+ * cfgloopmanip.c: Ditto.
+ * postreload-gcse.c: Ditto.
+ * tree-ssa-loop-manip.c: Ditto.
+ * postreload.c: Ditto.
+ * tree-ssa-loop-ch.c: Ditto.
+ * loop.c: Ditto.
+ * ipa-cp.c: Ditto.
+ * cppspec.c: Ditto.
+ * diagnostic.c: Ditto.
+ * final.c: Ditto.
+ * genoutput.c: Ditto.
+ * gcc.c: Ditto.
+ * cfghooks.c: Ditto.
+ * cfgloopanal.c: Ditto.
+ * objc/objc-act.c: Ditto.
+ * gcov.c: Ditto.
+ * genextract.c: Ditto.
+ * genautomata.c: Ditto.
+ * pretty-print.c: Ditto.
+ * genemit.c: Ditto.
+ * cgraphunit.c: Ditto.
+ * flow.c: Ditto.
+ * df-scan.c: Ditto.
+ * haifa-sched.c: Ditto.
+ * dominance.c: Ditto.
+ * dbxout.c: Ditto.
+ * tree-ssa-loop-ivopts.c: Ditto.
+ * df-core.c: Ditto.
+ * mode-switching.c: Ditto.
+ * modulo-sched.c: Ditto.
+ * graph.c: Ditto.
+ * ipa-pure-const.c: Ditto.
+ * cse.c: Ditto.
+ * fix-header.c: Ditto.
+ * web.c: Ditto.
+ * tree-stdarg.c: Ditto.
+ * ipa-utils.c: Ditto.
+ * loop-init.c: Ditto.
+ * ipa-inline.c: Ditto.
+ * cfganal.c: Ditto.
+ * global.c: Ditto.
+ * alloc-pool.c: Ditto.
+ * dwarf2out.c: Ditto.
+ * opts.c: Ditto.
+ * genattrtab.c: Ditto.
+ * tree-ssa-loop-ivcanon.c: Ditto.
+ * predict.c: Ditto.
+ * timevar.c: Ditto.
+ * lcm.c: Ditto.
+ * fortran/gfortranspec.c: Ditto.
+ * regmove.c: Ditto.
+ * local-alloc.c: Ditto.
+ * langhooks.c: Ditto.
+ * function.c: Ditto.
+ * tree-vectorizer.c: Ditto.
+ * gcse.c: Ditto.
+ * ipa-type-escape.c: Ditto.
+ * alias.c: Ditto.
+ * tree-if-conv.c: Ditto.
+ * profile.c: Ditto.
+ * ipa.c: Ditto.
+ * tree-data-ref.c: Ditto.
+ * loop-unroll.c: Ditto.
+ * treelang/treetree.c: Ditto.
+ * calls.c: Ditto.
+ * bt-load.c: Ditto.
+ * ggc-common.c: Ditto.
+ * except.c: Ditto.
+ * coverage.c: Ditto.
+ * cselib.c: Ditto.
+ * tree-cfgcleanup.c: Ditto.
+ * tree-ssa-pre.c: Ditto.
+ * cfgcleanup.c: Ditto.
+ * loop-invariant.c: Ditto.
+ * loop-iv.c: Ditto.
+ * ipa-prop.c: Ditto.
+ * print-tree.c: Ditto.
+ * conflict.c: Ditto.
+ * ggc-page.c: Ditto.
+ * sched-deps.c: Ditto.
+ * regclass.c: Ditto.
+ * tree-object-size.c: Ditto.
+ * combine.c: Ditto.
+ * bb-reorder.c: Ditto.
+ * resource.c: Ditto.
+ * var-tracking.c: Ditto.
+ * cfgloop.c: Ditto.
+ * df-problems.c: Ditto.
+ * reg-stack.c: Ditto.
+ * tlink.c: Ditto.
+ * gccspec.c: Ditto.
+ * sched-rgn.c: Ditto.
+ * tree-ssa-structalias.c: Ditto.
+ * tree-ssa-reassoc.c: Ditto.
+ * config/darwin-c.c: Ditto.
+ * config/darwin.c: Ditto.
+ * config/arm/arm.c: Ditto.
+ * cfgrtl.c: Ditto.
+ * collect2.c: Ditto.
+ * reload1.c: Ditto.
+
+2006-01-31 Nicolas Pitre <nico@cam.org>
+
+ * arm.md (smaxsi3): Make aware of smax_m1.
+ (smax_m1): New.
+
+2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
+
+ * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
+
+2006-01-31 Richard Guenther <rguenther@suse.de>
+
+ * doc/invoke.texi (-msselibm): Document.
+ * target.h (expand_library_builtin): New target hook.
+ * builtins.c (expand_builtin): Use expand_library_builtin.
+ (default_expand_library_builtin): New function.
+ * gcc.c (LINK_GCC_MATH_SPEC): Define.
+ (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
+ (link_gcc_math_spec): Declare.
+ (static_specs): Add link_gcc_math_spec.
+ * expr.h (default_expand_library_builtin): Declare.
+ * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
+ (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
+ * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
+ * config/i386/i386.opt (msselibm): New target option.
+ * config/i386/i386.c (ix86_builtin_function_variants): New array.
+ (ix86_init_sse_abi_builtins): New function.
+ (ix86_expand_library_builtin): Likewise.
+ (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
+ (override_options): Handle error conditions wrt -msselibm.
+ (ix86_builtins): Add function codes for SSE2 ABI builtins.
+ (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
+ * doc/extend.texi (__builtin_sse2_*): Document new target specific
+ builtins.
+
+2006-01-31 Richard Guenther <rguenther@suse.de>
+ Paolo Bonzini <bonzini@gnu.org>
+
+ * doc/install.texi (--disable-libgcc-math): Document.
+
+2006-01-30 Marcin Dalecki <martin@dalecki.de>
+
+ * expr.h (expand_normal): new inline function.
+ * builtins.c: use it, use EXPAND_NORMAL explicitely.
+ * dojump.c: use it.
+ * dwarf2out.c: use it.
+ * expr.c: use it.
+ * calls.c: use it.
+ * expmed.c: use it.
+ * except.c: use it.
+ * config/sparc/sparc.c: use it.
+ * config/i386/i386.c: use it.
+ * config/rs6000/rs6000.c: use it.
+ * config/arm/arm.c: use it.
+ * config/mips/mips.c: use it.
+ * stmt.c: use it, use EXPAND_NORMAL explicitely.
+
+2006-01-30 Roger Sayle <roger@eyesopen.com>
+
+ * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
+ argv to the appropriate type.
+
+2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
+ unreachable code.
+
+2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
+
+ PR target/26018
+ * config/s390/s390.c (struct machine_function): New flag
+ decomposed_literal_pool_addresses_ok_p.
+ (s390_reorg): Set it before final stage of literal pool transforms.
+ (s390_decompose_address): Only accept displacements of the form
+ (minus (label_ref ...) (label_ref ...)) if that flag is set.
+
+2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
+
+ * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
+ the comparison routine return.
+
+2006-01-30 Michael Matz <matz@suse.de>
+
+ * global.c (find_reg): Only evict for global regs.
+ Take n_refs into account and dump more info.
+
+2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
+
+ PR target/14798:
+ * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
+ (pragma_trap, pragma_nosave_low_regs): Likewise.
+ (current_function_anonymous_args): Likewise.
+ (sh_deferred_function_attributes): New variable.
+ (sh_deferred_function_attributes_tail): Likewise.
+ (print_operand): For '@', look up trap_exit attribute.
+ (calc_live_regs): Look up trapa_handler attribute. For trapa
+ handlers, save/restore fpscr, but don't do any other
+ interrupt-specific saves.
+ Don't save r0..r7 if the nosave_low_regs attribute is in effect.
+ Fix check for partially saved registers to check for SHmedia.
+ (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
+ (sh_output_function_epilogue): Don't clear any of the removed
+ variables.
+ (sh_insert_attributes): Don't check pragma_interrupt.
+ Insert deferred attributes. Check that interrupt attribute is
+ present for other attributes that require its presence.
+ (sh_attribute_table): Add new attributes trapa_handler and
+ nosave_low_regs.
+ (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
+ Don't check for pragma_interrupt. Don't store argument.
+ * sh.h (pragma_interrupt, sp_switch): Don't declare.
+ (sh_deferred_function_attributes): Declare.
+ (sh_deferred_function_attributes_tail): Likewise.
+ * sh.md (sp_switch_1): Add operand. Change generator caller.
+ (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
+ (*return_i): Don't use when trap_exit attribute is in effect.
+ (*return_trapa): New insn pattern.
+ * sh-c.c: New file.
+ * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
+ setting c_target_objs and cxx_target_objs.
+ * t-sh: Add rule for sh-c.o.
+
+2006-01-30 Richard Guenther <rguenther@suse.de>
+
+ PR c++/23372
+ * gimplify.c (gimplify_target_expr): Handle easy cases
+ without creating a temporary.
+
+2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
+
+ * vec.h (safe_grow): Remove duplicated line.
+
+2006-01-29 Diego Novillo <dnovillo@redhat.com>
+
+ PR 25874
+ * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
+ (expand_omp): ... here.
+ (expand_omp_parallel): Only remove barriers for combined
+ parallel+workshare constructs.
+
+2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
+
+ Revert
+
+ 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
+ * tree.c (build_qualified_type): Chain the new type to the original
+ type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
+ a POINTER_TYPE or a REFERENCE_TYPE respectively.
+ (build_pointer_type_for_mode): Only return unqualified types.
+ (build_reference_type_for_mode): Likewise.
+
+2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
+
+ * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
+ * Makefile.in (CXX_COMPAT_WARN): Define.
+ * configure: Regenerate.
+
+2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-opt/25911
+ * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
+ to an if check.
+
+2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
+
+ * toplev.c: Fix thinko.
+
+2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
+ Marcin Dalecki <martin@dalecki.de>
+
+ * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
+ (push_srcloc): Use XNEW.
+ (init_asm_output, default_get_pch_validity): Use XNEWVEC.
+
+2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * df-core.c (df_set_blocks): Deleted all variable.
+
+2006-01-28 Ian Lance Taylor <ian@airs.com>
+
+ * cgraphunit.c (cgraph_assemble_pending_functions): Call
+ cgraph_output_pending_asms.
+
+2006-01-28 Zack Weinberg <zackw@panix.com>
+
+ * c.opt: Add -W(no-)overlength-strings.
+ * doc/invoke.texi: Document it.
+ * c-opts.c (c_common_handle_option): -pedantic implies
+ -Woverlength-strings, if not explicitly disabled already.
+ (c_common_post_options): -Woverlength-strings defaults to off, and
+ is always off for C++.
+ * c-common.c (fix_string_type): Issue warning about strings longer
+ than is portable only if warn_overlength_strings. Rearrange code
+ a little for clarity.
+ * configure.in: Check for -Wno-overlength-strings as well before
+ enabling -pedantic in stage 1.
+ * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
+ (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
+
+ * genconditions.c (write_header, write_one_condition)
+ (write_conditions, write_writer): Consolidate very long strings
+ that were broken up to fit in C89 portable limit. Don't use
+ printf when fputs will do.
+
+2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
+
+ * combine.c (simplify_comparison <AND>): Check
+ TRULY_NOOP_TRUNCATION before start using a subreg.
+
+ * config/mips/mips.md (*branch_zero<mode>,
+ *branch_zero<mode>_inverted, *branch_equality<mode>,
+ *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
+ Remove mode check from comparisons.
+
+2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
+
+2006-01-28 Kazu Hirata <kazu@codesourcery.com>
+
+ * expmed.c (const_mult_add_overflow_p): Remove.
+ * expr.h: Remove the prototype for const_mult_add_overflow_p.
+
+ * recog.c (validate_replace_rtx_subexp): Remove.
+ * recog.h: Remove the prototype for
+ validate_replace_rtx_subexp.
+
+ * integrate.h: Remove the prototype for
+ copy_decl_for_inlining.
+ * rtl.h: Remove the prototype for mark_constant_function.
+ * tree-vectorizer.h: Remove the prototype for
+ vect_strip_conversion.
+
+ * modulo-sched.c (create_partial_schedule,
+ free_partial_schedule, reset_partial_schedule): Make them
+ static.
+
+ * hooks.c (hook_bool_rtx_int_false): Remove.
+ * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
+
+2006-01-28 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
+ and -mlong-double-128 are incompatible.
+ * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
+ * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
+ (TARGET_LIBGCC2_CFLAGS): Define.
+ * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
+ (TARGET_LIBGCC2_CFLAGS): Same.
+ * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
+
+2006-01-28 Kazu Hirata <kazu@codesourcery.com>
+
+ PR c/19606.
+ * c-typeck.c (build_binary_op): Perform implicit casts of
+ operands before shortening them.
+
+ * cfgloopmanip.c (split_loop_bb): Remove.
+ * cfgloop.h: Remove the prototype for split_loop_bb.
+
+ * cfgloop.c (flow_loop_outside_edge_p): Remove.
+ * cfgloop.h: Remove the prototype for
+ flow_loop_outside_edge_p.
+
+ * emit-rtl.c (init_virtual_regs): Make it static.
+ * function.h: Remove the prototype for init_virtual_regs.
+
+ * recog.c (peephole2_optimize): Make it static.
+ * recog.h: Remove the prototype for peephole2_optimize.
+
+2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ * df-scan.c (df_record_entry_block_defs): Check if
+ INCOMING_RETURN_ADDR_RTX is defined.
+
+2006-01-27 Daniel Berlin <dberlin@dberlin.org>
+ Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ PR rtl-optimization/24762
+ * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
+ * targhooks.c (hook_void_bitmap): New hook prototype.
+ * targhoohs.h (hook_void_bitmap): Ditto.
+ * bitmap.h (bitmap_head_def): Moved to coretypes.h.
+ * coretypes.h (bitmap_head_def): Moved from bitmap.h.
+ * target.h (live_on_entry): New function pointer.
+ * df-scan.c (df_all_hard_regs): Removed.
+ (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
+ (df_scan_free_internal): Added df->entry_block_defs.
+ (df_scan_alloc): Ditto.
+ (df_scan_dump): Ditto.
+ (df_uses_record): Plumbed flag field properly thru calls.
+ Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
+ This part fixes PR24762.
+ (df_bb_refs_record): Added code to make the frame and arg
+ pointers live in EH blocks.
+ (df_refs_record): Added call to df_record_entry_block_defs.
+ (df_record_entry_block_defs): New function.
+ * df-core.c: Added comments to describe new artifical defs.
+ * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
+ (entry_block_defs): New field in struct df.
+ (df_all_hard_regs): Deleted.
+ * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
+ * df-problems.c (df_ru_bb_local_compute_process_def):
+ Added code to handle artifical defs in the entry to a function.
+ (df_ru_bb_local_compute): Ditto.
+ (df_rd_bb_local_compute_process_def): Ditto.
+ (df_rd_bb_local_compute): Ditto.
+ (df_lr_bb_local_compute): Ditto.
+ (df_ur_bb_local_compute): Ditto.
+ (df_urec_bb_local_compute): Ditto.
+ (df_chain_create_bb): Ditto.
+ (df_ur_local_finalize): Removed entry.
+ (df_urec_init): Ditto.
+ (df_urec_local_finalize): Ditto.
+ (df_ri_bb_compute): Added detection of last use of pseudos.
+ * Makefile.in (df-scan.o): Updated dependencies.
+ * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
+ * config/mips/mips.c (mips_set_live_on_entry): Added.
+ * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
+ for target hook.
+ * dce.c (marked_insn_p): Added code to handle artifical defs.
+
+2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
+ intrinsic.
+ (_mm_cvtsi128_si64): Likewise.
+ (_mm_cvtsd_si64): Likewise.
+ (_mm_cvttsd_si64): Likewise.
+ (_mm_cvtsi64_sd): Likewise.
+ (_mm_cvtsi64_si128): Likewise.
+ * config/i386/mmintrin.h (_m_from_int64): Likewise.
+ (_mm_cvtsi64_m64): Likewise.
+ (_m_to_int64): Likewise.
+ (_mm_cvtm64_si64): Likewise.
+ * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
+ (_mm_cvttss_si64): Likewise.
+ (_mm_cvtsi64_ss): Likewise.
+ (_mm_cvtss_f32): Likewise.
+
+2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
+
+ * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
+ for pragma redefine_extname.
+
+2006-01-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/25864
+ * libgcc-std.ver: Add GCC_4.1.0 symbol version.
+ * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
+ -mno-minimal-toc to previous content.
+ (bispecs): Remove goal.
+ * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
+ * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
+ compatibility aliases on powerpc-*-*gnu*.
+ * config/rs6000/libgcc-ppc-glibc.ver: New file.
+ * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
+ libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
+ (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
+ (ldblspecs): New goal.
+ * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
+ * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
+ _df_to_tf.
+ * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
+ L_sf_to_tf or L_df_to_tf is defined.
+
+2006-01-27 David Edelsohn <edelsohn@gnu.org>
+ Alan Modra <amodra@bigpond.net.au>
+
+ PR target/25864
+ * config/rs6000/linux.h (POWERPC_LINUX): Define.
+ * config/rs6000/linux64.h (POWERPC_LINUX): Define.
+ * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
+ * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
+ * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
+ * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
+ (rs6000_override_options): Initialize rs6000_ieeequad.
+ Initialize TFmode format to ibm_extended_format if not
+ TARGET_IEEEQUAD.
+ (rs6000_handle_option): Accept -mabi= ibmlongdouble and
+ ieeelongdouble.
+ (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
+ (rs6000_return_in_memory): Only return IEEEQUAD in memory.
+ (function_arg_advance): IBM long double passed in two FPRs, not
+ split.
+ (function_arg): IBM long double passed in FPRs.
+ (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
+ (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
+ Only multireg GPR aligned.
+ (rs6000_init_libfuncs): Enable IBM long double functions if not
+ IEEEQUAD.
+ (rs6000_generate_compare): Use IBM long double compare if not
+ TARGET_IEEEQUAD.
+ * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
+ (TARGET_IEEEQUAD): Define.
+ (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
+ not TARGET_IEEEQUAD.
+ * config/rs6000/rs6000.md: Enable TFmode patterns if
+ !TARGET_IEEEQUAD.
+ * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
+ * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
+ and -mlong-double-128 are incompatible.
+ * doc/invoke.texi (-mabi): Collect options together. Add
+ ibmlongdouble and ieeelongdouble.
+
+2006-01-27 Richard Sandiford <richard@codesourcery.com>
+
+ * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
+ opaque type.
+ * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
+ * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
+ (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
+ * rtl.h (rtunion_def): Remove rt_ptr.
+ (X0PTR): Delete.
+ (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
+ (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
+ * config/i386/winnt.c (i386_pe_mark_dllexport)
+ (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
+
+2006-01-27 Gabor Loki <loki@gcc.gnu.org>
+
+ * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
+
+2006-01-26 Alexandre Oliva <aoliva@redhat.com>
+
+ PR other/24829
+ PR target/24831
+ * gthr-dce.h: Do not gthrw-ify pthread_once_init,
+ pthread_key_delete. From John David Anglin. gthrw-ify
+ pthread_getunique_np only if it it's not a macro. Delete
+ UNUSED macro.
+ (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
+ __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
+ __gthread_objc_condition_signal, __gthread_key_delete): Add
+ "__attribute__ ((__unused__))" to unused arguments.
+ (__gthread_recursive_mutex_init_function): Add missing return.
+ * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
+ gthr-posix95.h: Use macro-based approach for name redirection
+ on targets missing weakref.
+
2006-01-26 Zack Weinberg <zackw@panix.com>
* genconditions.c (write_header): In generated code, #ifdef out
2006-01-20 Alan Modra <amodra@bigpond.net.au>
+ PR target/25668
* libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
Double TFmode.
(__floatundisf, __floatundidf): Likewise.
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