sourcebuild.texi, [...]: Revert automatic dependency patch.

[thirdparty/gcc.git] / gcc / ChangeLog

2008-03-27  Tom Tromey  <tromey@redhat.com>

	* doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
	configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
	config/spu/t-spu-elf, config/i386/t-interix,
	config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
	config/i386/x-darwin, config/i386/x-mingw32,
	config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
	config/sh/t-sh, config/sh/t-symbian, config/x-linux,
	config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
	config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
	config/rs6000/x-rs6000, config/rs6000/x-darwin64,
	config/rs6000/x-darwin, config/rs6000/t-rs6000,
	config/score/t-score-elf, config/arm/t-strongarm-pe,
	config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
	config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
	Revert automatic dependency patch.

2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35657
	* config/i386/i386.c (ix86_function_arg_boundary): Align
	decimal floating point to its natural boundary.

2008-03-27  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35716
	* fold-const.c (fold_comparison): Restrict distinct decl
	comparison folding to VAR_DECLs and PARM_DECLs.  Do not
	solely rely on operand_equal_p.

2008-03-27  Richard Guenther  <rguenther@suse.de>

	PR c/32511
	* c-common.c (handle_weak_attribute): Reject combination of
	weak and inline.

2008-03-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/32810
	* tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
	conversions from DECL_INITIAL.
	(fold_const_aggregate_ref): Likewise from constructor elements.

2008-03-27  Zdenek Dvorak  <ook@ucw.cz>

	* tree-affine.h (aff_combination_expand): Declare.
	(get_inner_reference_aff): Likewise.
	* tree-affine.c	(aff_combination_expand): Split out from
	tree_to_aff_combination_expand.
	(get_inner_reference_aff): New function.
	* tree-parloops.c (loop_parallel_p): Free vectorizer info.
        * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
        (struct lim_aux_data): sm_done field removed.
        (mem_ref_loc_p, mem_ref_locs_p): New types.
        (struct mem_ref): Added id, stored, accesses_in_loop,
        indep_loop, dep_loop, indep_ref, dep_ref fields.
        Removed is_stored, locs and next fields.
        (memory_accesses): New variable.
        (movement_possibility): Do not allow moving statements
        that store to memory.
        (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
        New functions.
        (determine_max_movement): For statements with memory references,
        find the outermost loop in that the reference is independent.
        (move_computations_stmt): Mark the virtual operands for
        renaming.
        (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
        gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
        vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
        add_vop_ref_mapping, create_vop_ref_mapping_loop,
        create_vop_ref_mapping, analyze_memory_references,
        cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
        get_all_locs_in_loop, ref_always_accessed_p,
        refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
        ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
        store_motion_loop, store_motion): New functions.
        (struct vop_to_refs_elt): New type.
        (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
        memref_hash, memref_eq, hoist_memory_references): Rewritten.
        (schedule_sm): Replaced by...
        (execute_sm): ... this.
        (determine_lsm_ref, hoist_memory_references,
        loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
        find_more_ref_vops, free_mem_ref, free_mem_refs,
        determine_lsm_loop, determine_lsm): Removed.
        (tree_ssa_lim_finalize): Free data structures used by store
        motion.
        (tree_ssa_lim): Call analyze_memory_references.  Use
        store_motion instead of determine_lsm.

2008-03-27  Paolo Bonzini  <bonzini@gnu.org>

	* config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
	rename tmake_file to m68hc11/t-m68hc11.
	(mcore): Set inhibit_libc to true.
	* config.host (alpha*-dec-*vms*): Set extra_programs.
	(interix3*): Don't use host_xmake_file.
	* configure.ac: Let config.gcc override inhibit_libc.
	* configure: Regenerate.

	* config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
	* config/t-openbsd-thread: Remove commented out lines.
	
	* config/x-interix: Remove.

	* config/m68hc11/t-m68hc11-gas: Rename to...
	* config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.

	* config/mcore/t-mcore: Remove T_CFLAGS.
	* config/mcore/t-mcore-pe: Likewise.

2008-03-27  Paolo Bonzini  <bonzini@gnu.org>

	* configure.ac: Replace custom __GNU_SOURCE test with
	AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.
	* config.in: Regenerate.

2008-03-27  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (target.h): Include.
	(fold_comparison): Fold comparison of addresses of decls
	that bind locally or of constants.  Consolidate address folding code.
	* tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
	results from fold_binary_to_constant.
	(compare_values_warnv): Likewise.

2008-03-27  Andrew Pinski  <pinskia@gmail.com>

	PR middle-end/35429
	* fold-const.c (fold_truthop): Check for integeral types when folding
	a == 0 && b == 0 and a != 0 || b != 0 .

2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.

2008-03-26  Andreas Schwab  <schwab@suse.de>

	* doc/invoke.texi: Fix use of @item vs. @itemx.

2008-03-26  Tom Tromey  <tromey@redhat.com>

	* Makefile.in (build/gensupport.o, build/print-rtl.o,
	build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
	build/genattrtab.o, build/genautomata.o, build/gencheck.o,
	build/gencodes.o, build/genconditions.o, build/genconfig.o,
	build/genconstants.o, build/genemit.o, build/genextract.o,
	build/genflags.o, build/genmddeps.o, build/genopinit.o,
	build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
	options.h.

2008-03-26  Richard Guenther  <rguenther@suse.de>

	Revert
	2008-03-26  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (target.h): Include.
	(fold_comparison): Fold comparison of addresses of two decls
	that bind locally.  Consolidate address folding code.

2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.c (expand_builtin_pow, fold_builtin_cabs,
	fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
	fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
	dconstsqrt2, dconstthird, dconste and/or dconst10.
	* config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
	* emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
	dconstsqrt2, dconste): Delete.
	(init_emit_once): Likewise.  Simplify initializing dconstm1.
	Constify variable.
	* real.c (get_real_const): New.
	* real.h (dconst3, dconst10, dconstm2, dconstthird,
	dconstsqrt2, dconste): Delete.
	(real_value_const, get_real_const): New.

2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.

	* config/i386/i386.c (ix86_function_arg_boundary): Check
	BIGGEST_ALIGNMENT instead of 128.
	(setup_incoming_varargs_64): Likewise.

2008-03-26  Tom Tromey  <tromey@redhat.com>

	* Makefile.in (DEPFILES): Add missing '/'.

2008-03-26  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (target.h): Include.
	(fold_comparison): Fold comparison of addresses of two decls
	that bind locally.  Consolidate address folding code.

2008-03-26  Nick Clifton  <nickc@redhat.com>

	PR target/31232
	* config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
	not allow INT+INT as a legitimate addressing mode.

2008-03-26  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (widen_bitfield): Remove declaration.
	* tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
	(widen_bitfield): Remove function.
	* tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
	code.

2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR target/31558
	* config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
	error_mark_node's.

2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR rtl-optimization/35232
	* reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
	(forget_old_reloads_1, forget_marked_reloads): Don't clear
	reg_reloaded_call_part_clobbered here.
	(reload_regs_reach_end_p): New function.
	(reload_reg_rtx_for_input): New variable.
	(reload_reg_rtx_for_output): Likewise.
	(emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
	when reassigning a pseudo register.  Load reloadreg from 
	reload_reg_rtx_for_input, moving the mode and register
	calculation to...
	(do_input_reload): ...here.  Use the mode-adjusted reg_rtx
	instead of the original when deciding whether an input reload
	would be a no-op or whether an output reload can be deleted.
	(emit_output_reload_insns): Use the mode-adjusted reg_rtx
	when setting up new_spill_reg_store.  Load it from
	reload_reg_rtx_for_output, moving the mode and register
	calculation to...
	(do_output_reload): ...here.  Use the mode-adjusted reg_rtx
	instead of the original when deciding whether an output reload
	would be a no-op.  Do the same when modifying insn notes.
	Use rtx_equal_p instead of == to compare the registers.
	(inherit_piecemeal_p): Take a mode and two register numbers
	as argument.
	(emit_reload_insns): Clear new_spill_reg_store for every hard
	register in the reload register.  Remove spill registers
	from reg_reloaded_valid before considering whether to record
	inheritance information for them.  Use reload_reg_rtx_for_output
	instead of reg_rtx when recording output reloads.  Use
	reload_reg_rtx_for_input instead of reg_rtx when recording
	input reloads.  Set or clear reg_reloaded_call_part_clobbered
	at the same time as setting reg_reloaded_valid.
	(delete_output_reload): Add a new_reload_reg parameter and use it
	instead of rld[j].reg_rtx.
	(emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
	calls accordingly.

2008-03-25  Tom Tromey  <tromey@redhat.com>

	* Makefile.in (build/gensupport.o): Depend on insn-modes.h.
	(build/genattr.o): Likewise.
	(build/genattrtab.o): Likewise.
	(build/gencodes.o): Likewise.
	(build/genconfig.o): Likewise.
	(build/genconstants.o): Likewise.
	(build/genemit.o): Likewise.
	(build/genextract.o): Likewise.
	(build/genflags.o): Likewise.

2008-03-25  Bob Wilson  <bob.wilson@acm.org>
	
	* config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
	instead of size_int for integer types.
	(xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
	to match type of MINUS_EXPR.
	
2008-03-25  Tom Tromey  <tromey@redhat.com>

	* configure: Rebuilt.
	* configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
	Makefile.

2008-03-25  Tom Tromey  <tromey@redhat.com>

	* config/x-solaris (host-solaris.o): Update.
	* config/x-linux (host-linux.o): Update.
	* config/x-hpux (host-hpux.o): Update.
	* config/x-darwin (host-darwin.o): Update.
	* config/v850/t-v850e (v850-c.o): Update.
	* config/v850/t-v850 (v850-c.o): Update.
	* config/t-vxworks (vxworks.o): Update.
	* config/t-sol2 (sol2-c.o, sol2.o): Update.
	* config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
	* config/spu/t-spu-elf (spu-c.o): Update.
	(spu.o): Remove.
	* config/sh/t-symbian (sh-c.o): Update.
	(symbian.o): Update.
	* config/sh/t-sh (sh-c.o): Update.
	* config/score/t-score-elf (score7.o, score3.o): Update.
	* config/rs6000/x-rs6000 (driver-rs6000.o): Update.
	* config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
	* config/rs6000/x-darwin (host-ppc-darwin.o): Update.
	* config/rs6000/t-rs6000 (rs6000-c.o): Update.
	(rs6000.o): Remove.
	* config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
	* config/m32c/t-m32c (m32c-pragma.o): Update.
	* config/ia64/t-ia64 (ia64-c.o): Update.
	* config/i386/x-mingw32 (host-mingw32.o): Update.
	* config/i386/x-i386 (driver-i386.o): Update.
	* config/i386/x-darwin (host-i386-darwin.o): Update.
	* config/i386/x-cygwin (host-cygwin.o): Update.
	* config/i386/t-nwld (nwld.o): Update.
	* config/i386/t-netware (netware.o): Update.
	* config/i386/t-interix (winnt.o): Update.
	* config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
	* config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
	msformat-c.o): Update.
	* config/bfin/t-bfin-linux (generated_files): Add
	linux-sysroot-suffix.h.
	* config/arm/t-wince-pe (pe.o): Update.
	* config/arm/t-strongarm-pe (pe.o): Update.
	* config/arm/t-pe (pe.o): Update.
	* config/arm/t-arm (arm-c.o): Update.
	* doc/install.texi (Prerequisites): Require make 3.80.
	* Makefile.in: Remove .o targets.
	(CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
	(OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
	(simple_generated_h, simple_generated_c): Move earlier.
	(generated_files): New variable.
	(TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
	TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
	BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
	ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
	REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
	CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
	CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
	INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
	PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
	TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
	DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
	VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
	(.c.o): Remove.
	(COMPILE.base, COMPILE): New variables.
	(%.o): New pattern rule.
	(ALL_HOST_OBJS): New variable.
	(xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
	(dummy-checksum.o, cc1-checksum.o): Remove.
	(DRIVER_SHLIB): New variable.
	(DRIVER_DEFINES): Use it.
	(gencondmd.c): Move out of build/.
	(s-conditions): Update.
	(BUILDCOMPILE.base, BUILDCOMPILE): New variables.
	(ALL_BUILD_OBJS): Likewise.
	(build/%.o): Use BUILDCOMPILE.
	(build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
	build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
	build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
	build/gencheck.o, build/gencodes.o, build/genconditions.o,
	build/genconfig.o, build/genconstants.o, build/genemit.o,
	build/genextract.o, build/genflags.o, build/genmddeps.o,
	build/genopinit.o, build/genoutput.o, build/genpeep.o,
	build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
	build/gen-protos.o, build/scan.o, build/fix-header.o,
	build/scan-decls.o): Simplify.
	(collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
	cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
	prefix.o, toplev.o): Reduce to variable setting.
	(libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
	($(out_object_file), gcc-options.o): New targets.
	($(ALL_HOST_OBJS)): New target.  Include dependency files.
	* configure: Rebuilt.
	* configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
	* doc/sourcebuild.texi (Front End Directory): Document new variable.

2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>

	* c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
	complain when we hit an error, return ERROR_MARK_NODE.

2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>

	* config/sh/constraints.md (Pso, Psz): New constraints.
	* config/sh/sh.c (print_operand): Add %V and %W operand codes.
	* config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.

2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>

	* config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
	* config/sh/sh.md (xorsi3_movrt, movrt): New insns.

2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>

	* config/sh/sh.md (prefetch): Add condition for SH2A target.
	(prefetch_sh2a): New.	

2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
	    Naveen.H.S  <naveen.hs@kpitcummins.com>

	* config/sh/constraints.md (I28): New constraint.
	* config/sh/sh.c (broken_move): Add support for movi20s.
	* config/sh/sh.md (movsi_ie): Add the alternative for movi20s.

2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
	    Jayant Sonar  <Jayant.sonar@kpitcummins.com>
	    Naveen.H.S  <naveen.hs@kpitcummins.com>

	* config/sh/sh.c (SH_ATTRIBUTES): Define.
	(SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
	(print_operand): Handle resbank in %@ operand code.
	(sh_encode_section_info): New.
	(push_regs): Add conditions for resbank.
	(sh_expand_epilogue): Likewise.
	(sh_insert_attributes): Likewise.
	(sh_attribute_table): Likewise.
	(sh_handle_resbank_handler_attribute): New.
	(sh2a_handle_function_vector_handler_attribute): New.
	(sh2a_is_function_vector_call): New.
	(sh2a_get_function_vector_number): New.
	(sh2a_function_vector_p): New.
	(sh_cfun_resbank_handler_p): New.
	* config/sh/sh.md (calli): Emit jsr/n if possible.
	(calli_tbr_rel): New.
	(calli_pcrel): Emit jsr/n if possible.
	(return_i): Emit rts/n if possible.
	(call_valuei_tbr_rel): New.
	(call_valuei_pcrel): Add condition for SH2A target.
	(call_value): Likewise.
	* config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
	(sh2a_get_function_vector_number): Likewise.
	(sh2a_is_function_vector_call): Likewise.
	* doc/extend.texi: Document TBR relative addressing of SH2A.
	(resbank): Add description for SH2A.

2008-03-24  Richard Guenther  <rguenther@suse.de>

	PR c/22371
	* gimplify.c (gimplify_modify_expr): For frontend type-correct
	pointer assignments change conversions according to middle-end rules.
	(gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
	* configure.ac: Include type checking in yes.
	* configure: Regenerate.

2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* diagnostic.c (diagnostic_count_diagnostic): Delete.
	(diagnostic_report_diagnostic): Update. Handle ICEs here.
	
2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>

	* gthr-vxworks.h (UNUSED): Define.

2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and
	CX_REG.

2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>

	* doc/extend.texi (Function Attributes): Add missing comma in the
	example of the "alloc_size" attribute.
	
2008-03-23  Uros Bizjak  <ubizjak@gmail.com>

	Revert:
	2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386-modes.def: Use 4 byte alignment on DI for
	32bit host.

	2008-03-19  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35496
	* stor-layout.c (update_alignment_for_field): Set minimum alignment
	of the underlying type of a MS bitfield layout to the natural
	alignment of the type.

	2008-03-22  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (assign_386_stack_local): Align DImode slots
	to their natural alignment to avoid store forwarding stalls.

2008-03-22  Richard Guenther  <rguenther@suse.de>

	* tree-cfg.c (verify_expr): Recurse again for invariant addresses.
	For PHI nodes verify the address is invariant.
	* tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
	(get_symbol_constant_value): Use is_gimple_min_invariant.
	(maybe_fold_stmt_indirect): Likewise.

2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR rtl-optimization/33927
	* Makefile.in (dse.o): Depend on $(TM_P_H).
	* expr.h (extract_low_bits): Declare.
	* expmed.c (extract_low_bits): New function.
	* rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
	* dse.c: Include tm_p.h.
	(find_shift_sequence): Remove the read_reg argument and return the
	read value.  Emit the instructions instead of returning them.
	Iterate on new_mode rather than calculating it each time.
	Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
	source to NEW_MODE and extract_low_bits to convert the shifted
	value to READ_MODE.
	(replace_read): Allow the load and store to have different mode
	classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
	or extraction instructions before trying the replacement.  Update
	dump-file code accordingly, avoiding use of REGNO (store_info->rhs).

2008-03-22  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (assign_386_stack_local): Align DImode slots
	to their natural alignment to avoid store forwarding stalls.

2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR target/27946
	* config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
	encouraging but not allowing gprs for input;
	change the input constraint to !f#r.
	(fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
	gprs for output;
	change the output constraint to !f#r.

2008-03-21  Uros Bizjak  <ubizjak@gmail.com>

	PR target/13958
	* config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
	corresponding post-reload splitters.
	("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
	when x87 FP math is selected.
	* config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
	New function prototype.
	* config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
	unreachable function to ease macroization of insn patterns.

2008-03-21  Martin Jambor  <mjambor@suse.cz>

	* tree-data-ref.c (dump_data_dependence_relation): Avoid data
	reference dumps if ddr is NULL or dependence is unknown.

2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
	unsigned extension into account.
	(ATOMIC_COMPARE_AND_SWAP): Likewise.
	(ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
	Do computations on a scratch register.

2008-03-21  Richard Guenther  <rguenther@suse.de>

	* tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
	Use is_gimple_min_invariant instead of TREE_INVARIANT.
	* tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
	* tree-ssa-dom.c (record_equality): Likewise.
	* tree-inline.c (copy_body_r): Likewise.
	* tree-ssa-pre.c (make_values_for_stmt): Remove test for
	TREE_INVARIANT.

2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (split_branches): Pass zero to	redirect_jump
	as 'delete_unused' argument.

2008-03-20  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
	special casing of constant qualifiers.
	* tree-ssa.c (useless_type_conversion_p_1): Instead do not
	care about them in general.
	* tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
	regardless of their type.
	(fold_stmt_r): Forcefully fold *& if we end up with that.

2008-03-20  Paul Brook  <paul@codesourcery.com>

	* config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
	* config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
	linker flags.
	* config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
	definition.
	(LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
	* config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.

2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>

	* common.opt (Wmudflap): New option.
	* tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
	(mx_register_decls): Likewise.
	(mudflap_finish_file): Likewise.
	* doc/invoke.texi: Document -Wno-mudflap.

2008-03-20  Kai Tietz  <kai.tietz@onevision.com>

	* c-format.c (replace_format_name_to_system_name): New.
	(cmp_attribs): New.
	(convert_format_name_to_system_name): New.
	(decode_format_attr): Add use of convert_format_name_to_system_name.
	(format_types_orig): Add gnu_ prefix to names.
	(check_format_info_main): Special treating of \0 escaped names for
	supporting multi-character format specifiers as I32, I64.
	(TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
	(gnu_target_overrides_format_attributes): New.
	* c-format.h: Add structure target_ovr_attr to hold
	system specific formatter names.
	* config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
	msformat-c.o file to c_target_objs and cxx_target_objs.
	* config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
	(TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
	(TARGET_N_FORMAT_TYPES): New.
	* config/i386/msformat-c.c: New.
	* config/i386/t-cygming: Add build rule for msformat-c.o.
	* doc/extend.texi: Add new format names gnu_* and ms_* and
	further details.
	* doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.

2008-03-20  Ira Rosen  <irar@il.ibm.com>

	* doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
	optimizations turned on under -O3.
	(ftree-vectorize): Add that the flag is turned on with -O3.

2008-03-20  Ben Elliston  <bje@au.ibm.com>

	* regmove.c (try_auto_increment): Fix spelling error in comment.
	* final.c (final_scan_insn): Likewise.

2008-03-20  Uros Bizjak  <ubizjak@gmail.com>

	PR target/14552
	* config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
	allocator preferences for "y" and "r" class registers.
	("*mov<mode>_internal"): Ditto.
	("*movv2sf_internal_rex64"): Ditto.
	("*movv2sf_internal"): Ditto.

2008-03-19  Michael Matz  <matz@suse.de>

	PR middle-end/35616
	* calls.c (expand_call): Check overlap of arguments with call
	address for sibcalls.

2008-03-19  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35496
	* stor-layout.c (update_alignment_for_field): Set minimum alignment
	of the underlying type of a MS bitfield layout to the natural
	alignment of the type.

2008-03-19  Jan Hubicka  <jh@suse.cz>

	PR other/35094
	* toplev.c (decode_d_option): Handle all CPP flags.
	* tree-vrp.c: Update tree_pass descriptors.
	* regrename.c: Update tree_pass descriptors.
	* fwprop.c: Update tree_pass descriptors.
	* doc/invoke.texi: Remove documentation of dropped -d? flags.
	* tree-into-ssa.c: Update tree_pass descriptors.
	* tree-dump.c: Update tree_pass descriptors.
	* tree-complex.c: Update tree_pass descriptors.
	* tree-dump.h: Update tree_pass descriptors.
	* see.c: Update tree_pass descriptors.
	* cgraphbuild.c: Update tree_pass descriptors.
	* tracer.c: Update tree_pass descriptors.
	* tree-loop-distribution.c: Update tree_pass descriptors.
	* cgraph.c: Update tree_pass descriptors.
	* postreload-gcse.c: Update tree_pass descriptors.
	* postreload.c: Update tree_pass descriptors.
	* tree-ssa-loop-ch.c: Update tree_pass descriptors.
	* tree-tailcall.c: Update tree_pass descriptors.
	* tree-pass.h (tree_opt_pass): Rename to ...
	(opt_pass) ... this one; add "type" field and remove letter field.
	(gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
	(execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
	all_lowering_passes): Update declaration.
	* ipa-cp.c: Update tree_pass descriptors.
	* final.c: Update tree_pass descriptors.
	* omp-low.c: Update tree_pass descriptors.
	* tree-ssa-dse.c: Update tree_pass descriptors.
	* ipa-reference.c: Update tree_pass descriptors.
	* tree-ssa-uncprop.c: Update tree_pass descriptors.
	* auto-inc-dec.c: Update tree_pass descriptors.
	* reorg.c: Update tree_pass descriptors.
	* cgraphunit.c: Update tree_pass descriptors.
	* tree-ssa-copyrename.c: Update tree_pass descriptors.
	* tree-ssa-ccp.c: Update tree_pass descriptors.
	* df-core.c: Update tree_pass descriptors.
	* mode-switching.c: Update tree_pass descriptors.
	* tree-nomudflap.c: Update tree_pass descriptors.
	* modulo-sched.c: Update tree_pass descriptors.
	* ipa-pure-const.c: Update tree_pass descriptors.
	* cse.c: Update tree_pass descriptors.
	* web.c: Update tree_pass descriptors.
	* tree-stdarg.c: Update tree_pass descriptors.
	* tree-ssa-math-opts.c: Update tree_pass descriptors.
	* tree-ssa-dom.c: Update tree_pass descriptors.
	* tree-nrv.c: Update tree_pass descriptors.
	* tree-ssa-alias.c: Update tree_pass descriptors.
	* loop-init.c: Update tree_pass descriptors.
	* gimple-low.c: Update tree_pass descriptors.
	* ipa-inline.c: Update tree_pass descriptors.
	* tree-ssa-sink.c: Update tree_pass descriptors.
	* global.c: Update tree_pass descriptors.
	* ifcvt.c: Update tree_pass descriptors.
	* jump.c: Update tree_pass descriptors.
	* predict.c: Update tree_pass descriptors.
	* tree-ssa-loop.c: Update tree_pass descriptors.
	* recog.c: Update tree_pass descriptors.
	* dse.c: Update tree_pass descriptors.
	* tree-ssa-ifcombine.c: Update tree_pass descriptors.
	* tree-eh.c: Update tree_pass descriptors.
	* regmove.c: Update tree_pass descriptors.
	* local-alloc.c
	* function.c: Update tree_pass descriptors.
	* tree-vectorizer.c: Update tree_pass descriptors.
	* gcse.c: Update tree_pass descriptors.
	* ipa-type-escape.c: Update tree_pass descriptors.
	* tree-if-conv.c: Update tree_pass descriptors.
	* init-regs.c: Update tree_pass descriptors.
	* ipa.c: Update tree_pass descriptors.
	* tree-ssa-phiopt.c: Update tree_pass descriptors.
	* rtl-factoring.c: Update tree_pass descriptors.
	* lower-subreg.c: Update tree_pass descriptors.
	* bt-load.c: Update tree_pass descriptors.
	* tree-dfa.c: Update tree_pass descriptors.
	* except.c: Update tree_pass descriptors.
	* emit-rtl.c: Update tree_pass descriptors.
	* cfgexpand.c: Update tree_pass descriptors.
	* tree-cfgcleanup.c: Update tree_pass descriptors.
	* cfgcleanup.c: Update tree_pass descriptors.
	* tree-ssa-pre.c: Update tree_pass descriptors.
	* tree-sra.c: Update tree_pass descriptors.
	* tree-mudflap.c: Update tree_pass descriptors.
	* tree-ssa-copy.c: Update tree_pass descriptors.
	* cfglayout.c: Update tree_pass descriptors.
	* tree-ssa-forwprop.c: Update tree_pass descriptors.
	* tree-ssa-dce.c: Update tree_pass descriptors.
	* tree-ssa.c: Update tree_pass descriptors.
	* regclass.c: Update tree_pass descriptors.
	* integrate.c: Update tree_pass descriptors.
	* tree-optimize.c: Update tree_pass descriptors.
	* tree-ssa-phiprop.c: Update tree_pass descriptors.
	* tree-object-size.c: Update tree_pass descriptors.
	* combine.c: Update tree_pass descriptors.
	* tree-outof-ssa.c: Update tree_pass descriptors.
	* bb-reorder.c: Update tree_pass descriptors.
	* stack-ptr-mod.c: Update tree_pass descriptors.
	* var-tracking.c: Update tree_pass descriptors.
	* tree-profile.c: Update tree_pass descriptors.
	* tree-vect-generic.c: Update tree_pass descriptors.
	* reg-stack.c: Update tree_pass descriptors.
	* sched-rgn.c: Update tree_pass descriptors.
	* tree-ssa-structalias.c: Update tree_pass descriptors.
	* tree-cfg.c: Update tree_pass descriptors.
	* passes.c (current_pass): Update declaration.
	(finish_optimization_passes): Update.
	(all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
	(register_one_dump_file, register_dump_files_1, next_pass_1):
 	Update arguments.
	(init_optimization_passes): Update handling of new types.
	(execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
	* ipa-struct-reorg.c: Update tree_pass descriptors.
	* tree-ssa-reassoc.c: Update tree_pass descriptors.
	* combine-stack-adj.c: Update tree_pass descriptors.
	* cfgrtl.c: Update tree_pass descriptors.
	* dce.c: Update tree_pass descriptors.
	* tree-ssanames.c: Update tree_pass descriptors.

2008-03-19  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35609
	* tree-ssa.c (walk_data): New structure.
	(warn_uninitialized_var): If not always_executed warn with "maybe"
	instead of "is".
	(execute_early_warn_uninitialized): Compute post-dominators.
	Initialize always_executed before processing each basic block.

2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>

	PR target/35504
	* config/i386/i386.c (x86_this_parameter): Calculate correct location
	of "this" pointer when "regparm = N" or "fastcall" is in effect.

2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/include/texinfo.tex: Update to version 2008-03-17.10.

2008-03-18  Paolo Bonzini  <bonzini@gnu.org>

	* expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
	is true.
	(expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
	(expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
	is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
	target after ignore has been set, and move there also the commputation
	of subtarget and original_target.
	* langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
	(LANG_HOOKS_INITIALIZER): Remove it.
	* langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.

2008-03-18  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
	found an expression with constants, note that in the VN for the lhs.
	* tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
	fold them to constants if possible.  Run cleanup_cfg if done so.
	(execute_pre): Return todo.
	(do_pre): Likewise.
	(execute_fre): Likewise.
	* tree-ssa-forwprop.c (can_propagate_from): Allow propagation
	of constants.
	(get_prop_source_stmt): Look through pointer conversions.

2008-03-18  Jan Hubicka  <jh@suse.cz>

	* tree-pretty-print.c: Include predict.h.
	(dump_generic_node): Dump predictor.
	* tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
	* tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
	* gimple-low.c (lower_stmt): Likewise.
	* expr.c (expand_expr_real): Likewise.
	* predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
	them.
	(build_predict_expr, build_predict_expr): New.
	* predict.h (predictor_name, build_predict_expr): Update.
	* c-typeck.c (c_finish_bc_stmt): Add prediction.
	* gimplify.c (gimplify_expr): Add PREDICT_EXPR.
	* predict.def (PRED_CONTINUE): Update hitrate.
	* tree.def (PREDICT_EXPR): Define.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
	do not handle BIND_EXPR.
	* tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
	* tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
	* tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
	operands.

2008-03-18  Michael Matz  <matz@suse.de>

	* gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.

2008-03-18  Richard Guenther  <rguenther@suse.de>

	* tree-gimple.h (is_gimple_invariant_address): Declare.
	(is_gimple_constant): Likewise.
	* tree-gimple.c (is_gimple_constant): New function.
	(is_gimple_invariant_address): Likewise.
	(is_gimple_min_invariant): Implement in terms of is_gimple_constant
	and is_gimple_invariant_address.
	* tree-ssa-loop-niter.c (expand_simple_operations): Revert
	previous change.
	* tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
	an addressable base.

2008-03-18  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35611
	* gimplify.c (gimplify_expr): Gimplify second operand of
	OMP_ATOMIC_LOAD.

2008-03-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/19637
	* fold-const.c (fold_unary): Remove restrictions of removing
	intermediate pointer-conversions (P2)(P1)P0.
	* tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
	conversion to void pointer.
	(get_maxval_strlen): Handle addresses of the form &(*p)[0].

2008-03-16  James E. Wilson  <wilson@tuliptree.org>

	PR debug/31510
	* dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
	emulated thread local variables.

2008-03-16  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35607
	* tree-ssa-loop-niter.c (expand_simple_operations): Do not
	expand TREE_INVARIANT operations that are not gimple invariant.

2008-03-16  Hans-Peter Nilsson  <hp@axis.com>

	* doc/extend.texi (Alignment): Say that the ABI controls
	the __alignof__ for non-strict-alignment targets rather
	than being a recommendation.

2008-03-15  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
	annotations.
	(arm_output_fn_unwind): Mark functions that can not be unwound.

2008-03-15  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
	extension instructions.

2008-03-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-ccp.c (ccp_fold): Also read from constant values
	and fold constant aggregate refs.
	(fold_const_aggregate_ref): Handle string constants
	and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
	(evaluate_stmt): Simplify now that ccp_fold folds constant
	aggregate refs.

2008-03-15  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
	(extzv): Use gen_extzv_t2.
	(insv_t2, insv_zero, extv, extzv_t2): New patterns.

2008-03-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-ccp.c (get_symbol_constant_value): Export.
	(fold_const_aggregate_ref): Likewise.
	(get_value): Return NULL if we don't have any values.
	(ccp_finalize): Set const_val to NULL after freeing it.
	* tree-flow.h (get_symbol_constant_value): Declare.
	(fold_const_aggregate_ref): Likewise.
	* tree-ssa-sccvn.c (try_to_simplify): Use them.

2008-03-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35593
	* tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
	to not produce negative array indices if not allowed.  Add
	parameter to indicate that.
	(maybe_fold_offset_to_component_ref): Allow negative array
	indices only for the first member of a structure.
	(maybe_fold_offset_to_reference): Allow negative array indices.
	(maybe_fold_stmt_addition): Likewise.

2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
	    Anatoly Sokolov <aesok@post.ru>

	* gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
	(avr_arch): Add ARCH_AVR6.
	(avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
 	(initial_elimination_offset): Initialize and use 'avr_pc_size' 
	instead of fixed value 2.
	(print_operand_address): Use gs() asm specifier instead of pm().
	(avr_assemble_integer): (Ditto.).
	(avr_output_addr_vec_elt): (Ditto.).
	(print_operand): Handle "!" code.
	* gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
	__AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
	(AVR_HAVE_EIJMP_EICALL): Define.
	(AVR_3_BYTE_PC): Redefine.
	(AVR_2_BYTE_PC): (Ditto.).
	(PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
	(LINK_SPEC): Add atmega2560 and atmega2561.
	(CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
	(crtm2561.o).
	* gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
	for 3 byte PC devices.
	(call_value_insn): (Ditto.).
	(*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
	(indirect_jump): Use only for for 2 byte PC devices.
	(*tablejump): (Ditto.).
	(*indirect_jump_avr6): Add insn.
	(*tablejump_rjmp): Don't use for 3 byte PC devices.
	* gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
	instead of ijmp for 3 byte PC devices.
	(__tablejump2__): (Ditto.).
	* gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
	(MULITLIB_DIRNAMES): (Ditto.). 
	(MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.

2008-03-15  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
	"sse2_umulsidi3".  Use V1DI mode for operand 0.
	("mmx_psadbw"): Use V1DI mode for operand 0.
	* config/i386/i386-modes.def (V1SI): New vector mode.
	* config/i386/i386.c (struct builtin_description)
	[IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
	(v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
	(v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
	(ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
	v1di_ftype_v8qi_v8qi type.
	[__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.

	* doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
	__builtin_ia32_pmuludq]: Fix the mode of return value.

2008-03-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35595
	* tree-ssa-pre.c (bitmap_find_leader): Handle expression
	being a PHI_NODE.

2008-03-14  Bob Wilson  <bob.wilson@acm.org>
	
	* doc/invoke.texi (Option Summary, Xtensa Options): Document
	-mserialize-volatile and -mno-serialize-volatile Xtensa options.
	* config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
	unless TARGET_SERIALIZE_VOLATILE is enabled.
	* config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
	* config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
	* config/xtensa/xtensa.opt (mserialize_volatile): New option.

2008-03-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34172
	* tree-flow.h (refs_may_alias_p): Declare.
	(get_single_def_stmt): Likewise.
	(get_single_def_stmt_from_phi): Likewise.
	(get_single_def_stmt_with_phi): Likewise.
	* tree-dfa.c (refs_may_alias_p): New function.
	(get_single_def_stmt): Likewise.
	(get_single_def_stmt_from_phi): Likewise.
	(get_single_def_stmt_with_phi): Likewise.
	* tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
	(vn_reference_lookup_1): New helper function.
	(vn_reference_lookup): Walk the virtual use-def chain to
	continue searching for a match if the def does not alias the
	reference we are looking for.

2008-03-14  David Edelsohn  <edelsohn@gnu.org>

	* doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
	archive and Perzl.  Update The Written Word listing.

2008-03-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34043
	PR tree-optimization/33989
	* tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
	when doing FRE.
	(bitmap_find_leader): Use extra argument to verify dominance
	relationship inside a basic-block.
	(can_PRE_operation): Add VIEW_CONVERT_EXPR.
	(find_leader_in_sets): Adjust.
	(create_component_ref_by_pieces): Take extra argument for
	dominance check, handle lookup failures.
	(find_or_generate_expression): Likewise.
	(create_expression_by_pieces): Likewise.
	(insert_into_preds_of_block): Adjust.
	(create_value_expr_from): If asked for, verify all operands
	are in the blocks AVAIL_OUT set.
	(make_values_for_stmt): Check for SSA_NAMEs that are life
	over an abnormal edge.
	(compute_avail): Remove such check.
	(do_SCCVN_insertion): New function.
	(eliminate): If we do not find a leader suitable for replacement
	insert a replacement expression from SCCVN if available.
	* tree-ssa-sccvn.h (run_scc_vn): Update prototype.
	(struct vn_ssa_aux): Add needs_insertion flag.
	* tree-ssa-sccvn.c (may_insert): New global flag.
	(copy_reference_ops_from_ref): Value-number union member access
	based on its size, not type and member if insertion is allowed.
	(visit_reference_op_load): For a weak match from union type
	punning lookup a view-converted value and insert a SSA_NAME
	for that value if that is not found.
	(visit_use): Make dumps shorter.  Do not disallow value numbering
	SSA_NAMEs that are life over an abnormal edge to constants.
	(free_scc_vn): Release inserted SSA_NAMEs.
	(run_scc_vn): New flag to specify whether insertion is allowed.
	Process SSA_NAMEs in forward order.
	* tree-ssa-loop-im.c (for_each_index): Handle invariant
	ADDR_EXPRs inside VIEW_CONVERT_EXPR.
	* fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
	pointer type to/from integral types that do not change the
	precision to regular conversions.

2008-03-13  Uros Bizjak  <ubizjak@gmail.com>

	* doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
	__builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
	__builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
	__builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
	input arguments and the mode of return value.  Built-in functions
	that operate on whole 64-bit MMX register now use V1DI mode.

2008-03-13  Alon Dayan  <alond@il.ibm.com>
	    Olga Golovanevsky  <olga@il.ibm.com>

	PR tree-optimization/35041
	* ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
	to locate the right position in a statement.

2008-03-13  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34000
	PR target/35553
	* config/i386/xmmintrin.h:  Change all static inline functions to
	extern inline and add __gnu_inline__ attribute.
	* config/i386/bmintrin.h: Ditto.
	* config/i386/smmintrin.h: Ditto.
	* config/i386/tmmintrin.h: Ditto.
	* config/i386/mmintrin-common.h: Ditto.
	* config/i386/ammintrin.h: Ditto.
	* config/i386/emmintrin.h: Ditto.
	* config/i386/pmmintrin.h: Ditto.
	* config/i386/mmintrin.h: Ditto.
	* config/i386/mm3dnow.h: Ditto.

2008-03-13  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35185
	* omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
	(lower_omp_2): New function.
	(lower_omp_1, lower_omp): Rewritten.

2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>

	PR 35054
	* doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
	with the phrase "Microsoft Windows compilers".
	(Push/Pop Macro Pragmas): New subsection. Document
	#pragma push_macro and pragma pop_macro.

2008-03-12  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (output_move_double): Prefer LDRD to LDM.

2008-03-12  Paul Brook  <paul@codesourcery.com>

	* config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
	(thumb2_alusi3_short): Exclude PLUS and MINUS.
	(thumb2_addsi_shortim): Rename ...
	(thumb2_addsi_short): ... to this.  Allow register operands.
	(thumb2_subsi_short): New pattern.
	(thumb2_one_cmplsi2_short,
	thumb2_negsi2_short): New patterns and peepholes.

2008-03-12  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.

2008-03-12  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (int_cond): New code iterator.
	(fp_cond): Ditto.
	("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
	sge, sgeu, sle and sleu expanders usign int_cond code iterator.
	("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
	sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
	("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
	bge, bgeu, ble and bleu expanders usign int_cond code iterator.
	("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
	bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.

2008-03-12  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
	instead of {arm,thumb}_compute_save_reg_mask.
	(output_return_instruction): Ditto.
	(thumb_unexpanded_epilogue): Ditto.
	(thumb1_expand_prologue): Ditto.
	(thumb1_output_function_prologue): Ditto.
	(arm_set_return_address): Ditto.
	(thumb_set_return_address): Ditto.
	(arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
	regs to achieve stack alignment.
	(thumb1_compute_save_reg_mask): Fix compiler warning.
	(arm_output_epilogue): Use offsets->saved_regs_mask.
	Adjust stack pointer by poping call clobered registers.
	(arm_expand_prologue): Use offsets->saved_regs_mask.
	Adjust stack pointer by pushing extra registers.
	* config/arm.h (arm_stack_offsets): Add saved_regs_mask.

2008-03-12  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-opt/35422
	* fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
	conversion to the operands of a multiplication.

2008-03-12  Richard Guenther  <rguenther@suse.de>

	* Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
	(tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
	* timevar.def (TV_TREE_PHIPROP): Add.
	* tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
	pass description.  Use TV_TREE_PHIPROP.
	* tree-ssa-forwprop.c: Remove phiprop code.

2008-03-12  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35549
	* omp-low.c (maybe_lookup_decl): Constify first argument.
	(use_pointer_for_field): Change last argument from bool to
	omp_context *.  Disallow shared copy-in/out in nested
	parallel if decl is shared in outer parallel too.
	(build_outer_var_ref, scan_sharing_clauses,
	lower_rec_input_clauses, lower_copyprivate_clauses,
	lower_send_clauses, lower_send_shared_vars): Adjust callers.

2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
	    Ira Rosen  <irar@il.ibm.com>

	* tree-vectorizer.c (free_stmt_vec_info): New function.
	(destroy_loop_vec_info): Move code to free_stmt_vec_info().
	Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
	* tree-vectorizer.h (free_stmt_vec_info): Declare.
	* tree-vect-transform.c (vectorizable_conversion): Free
	vec_oprnds0 if it was allocated.
	(vect_permute_store_chain): Remove unused VECs.
	(vectorizable_store): Free VECs that are allocated in the..
	function.
	(vect_transform_strided_load, vectorizable_load): Likewise.
	(vect_remove_stores): Simplify the code.
	(vect_transform_loop): Move code to vect_remove_stores().
	Call vect_remove_stores() and free_stmt_vec_info().

2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
	TARGET_HPUX.  Revise comment.
	(TARGET_LONG_PIC_PCREL_CALL): Revise comment.
	* pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
	Use sr4 variant of `be' instruction when not generating PIC code.
	(attr_length_call): Adjust for above change.

2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	* ipa-reference.c (static_execute): Remove module_statics_const and
	associated setting code.

2008-03-11  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35540
	* config/i386/i386.md (paritysi2, paritydi2): Use register_operand
	predicate for operand 1.
	(paritysi2_cmp): Use register_operand predicate for operand 2.
	Use earlyclobber modifier for operand 1.  Remove support for
	memory operands.
	(paritydi2_cmp): Use register_operand predicate for operand 3.
	Use earlyclobber modifier for operand 1.  Remove support for
	memory operands.

2008-03-11  Paul Brook  <paul@codesourcery.com>
	    Vladimir Prus  <vladimir@codesourcery.com>

	* config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
	(arm_compute_save_reg0_reg12_mask): Always
	check if register 11 must be saved.  Always safe hard frame pointer
	when frame_pointer_needeed.
	(arm_compute_save_reg_mask): Save IP and PC
	only with apcs frames.
	(arm_output_epilogue): Adjust Thumb2 codepath to
	be also invoked and work for ARM non-apcs frames.
	(arm_expand_prologue): Don't bother saving IP
	for non-apcs frame, since it's not clobbered by
	prologue code.  Implement non-apcs frame
	layout.

2008-03-11  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/35281
	* expr.c (convert_move): Use a new pseudo for the intermediate
	from_mode->word_mode result.

2008-03-11  Paolo Bonzini  <bonzini@gnu.org>

	* langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
	* langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
	* toplev.c (compile_file): Don't call it.

2008-03-11  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/35526
	* expr.c (store_expr): Call emit_block_move if the mode
	of "temp" RTX is BLKmode.

2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/31358
	* tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
	the step with a NULL_TREE.
	* tree-ssa-loop-ivopts.c (find_bivs): Convert the step
	to sizetype if type is a pointer type.
	(add_candidate_1): Don't convert the base and step to
	the generic type if the orginal type is a pointer type.
	(add_iv_value_candidates): Use sizetype for the step
	if type is a pointer type.
	(cand_value_at): Likewise.
	* tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
	for pointer types.
	* tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
	Don't convert the tem affine to the type.
	(add_elt_to_tree): Use sizetype for the step if a pointer.
	Use POINTER_PLUS_EXPR for pointers.
	(aff_combination_to_tree): Use sizetype for the step if a
	pointer.

2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>

	* config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
	Remove commutativity hint.

2008-03-10  Jakub Jelinek  <jakub@redhat.com>

	PR c/35438
	PR c/35439
	* c-parser.c (c_parser_omp_threadprivate): Don't add vars with
	errorneous type.  Check that v is a VAR_DECL.

	PR middle-end/35099
	* tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.

2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR tree-optimization/35494
	* tree-ssa-ccp.c (get_symbol_constant_value): Check if value
	may be overriden at link and run time.

2008-03-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34677
	* tree-ssa-pre.c (modify_expr_node_pool): Remove.
	(poolify_tree): Likewise.
	(modify_expr_template): Likewise.
	(poolify_modify_stmt): Likewise.
	(insert_fake_stores): Handle all component-ref style stores
	in addition to INDIRECT_REF.  Also handle complex types.
	Do not poolify the inserted load.
	(realify_fake_stores): Do not rebuild the tree but only
	make it a SSA_NAME copy.
	(init_pre): Remove initialzation of modify_expr_template.
	Do not allocate modify_expr_node_pool.
	(fini_pre): Do not free modify_expr_node_pool.

2008-03-10  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
	to avoid conflicts.

2008-03-10  Paul Brook  <paul@codesourcery.com>
	    Mark Shinwell  <shinwell@codesourcery.com>

	* config/arm/cortex-r4.md: New.
	* config/arm/thumb2.md (divsi3, udivsi3): Annotate with
	insn attributes.
	* config/arm/arm.md: Include cortex-r4.md.
	(insn): Add smmls, sdiv and udiv values.
	(generic_sched): Don't use generic scheduling for Cortex-R4.
	(arm_issue_rate): New function.
	(TARGET_SCHED_ISSUE_RATE): Define.

2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>

	* doc/invoke.texi (-ftree-loop-distribution): Add an example.

2008-03-10  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (get_sccvn_value): Simplify.
	(compute_avail): Do not add stmt uses to AVAIL_OUT.

2008-03-10  Paolo Bonzini  <bonzini@gnu.org>

	* langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
	Set default to true.

2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* c.opt (Wsynth): Deprecate.
	* doc/invoke.texi (Option Summary, Warning Options): Document
	-Wno-format-contains-nul.

2008-03-09  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35496
	* config/i386/i386.c (ix86_constant_alignment): Compute alignment using
	ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.

2008-03-09  Ira Rosen  <irar@il.ibm.com>

	* config/rs6000/rs6000.c (builtin_description): Rename vector
	left shift operations.
	* config/rs6000/altivec.md (UNSPEC_VSL): Remove.
	(altivec_vsl<VI_char>): Rename to ...
	(ashl<mode>3): ... new name.
	(mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
	gen_ashlv4si3.
	(absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.

2008-03-08  Richard Guenther  <rguenther@suse.de>

	* coverage.h (tree_coverage_counter_addr): Declare.
	* coverage.c (tree_coverage_counter_addr): New function.
	* tree-profile.c (tree_gen_edge_profiler): Unshare counter
	before using again.
	(tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
	(tree_gen_one_value_profiler): Likewise.
	(tree_gen_ic_profiler): Likewise.
	(tree_gen_average_profiler): Likewise.
	(tree_gen_ior_profiler): Likewise.

2008-03-08  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
	(vn_binary_op_insert): Likewise.
	(vn_unary_op_lookup): Likewise.
	(vn_unary_op_insert): Likewise.
	(vn_nary_op_lookup): Declare.
	(vn_nary_op_insert): Likewise.
	* tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
	and binary hashes, use a single obstack for unary_op_pool
	and binary_op_pool.
	(struct vn_binary_op_s, struct vn_unary_op_s): Replace with
	a single struct vn_nary_op_s.  Store tree code length and
	a variable number of operands.
	(struct vn_reference_op_struct): Remove unused op2.
	(vn_reference_op_eq): Do not compare op2.
	(vn_reference_op_compute_hash): Do not compute hash of op2.
	(vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
	(vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
	with vn_nary_op_compute_hash.
	(vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
	(vn_unary_op_lookup, vn_binary_op_lookup): Replace with
	vn_nary_op_lookup.
	(vn_unary_op_insert, vn_binary_op_insert): Replace with
	vn_nary_op_insert.
	(visit_unary_op): Call nary functions.
	(visit_binary_op): Likewise.
	(process_scc): Adjust for struct vn_tables_s changes.
	(allocate_vn_table): Likewise.
	(free_vn_table): Likewise.
	* tree-vn.c (vn_add): Call nary functions.
	(vn_lookup): Likewise.

2008-03-08  Jakub Jelinek  <jakub@redhat.com>

	PR target/35498
	* config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
	wdst back after sync_compare_and_swapqhi_internal.

2008-03-08  Uros Bizjak  <ubizjak@gmail.com>

	PR target/22152
	* config/i386/i386-modes.def (V1DI): New vector mode.
	* config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
	* config/i386/mmx.md (MMXMODEI8): New mode iterator.
	(MMXMODE248): Ditto.
	(MMXMODE): Add V1DI mode.
	(mmxvecsize): Change DI mode to V1DI mode.
	("mov<mode>): Use MMXMODEI8 mode iterator.
	("*mov<mode>_internal_rex64"): Ditto.
	("*mov<mode>_internal"): Ditto.
	("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
	("mmx_sub<mode>3"): Ditto.
	("mmx_adddi3"): Remove insn pattern.
	("mmx_subdi3"): Ditto.
	("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
	("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
	("mmx_ashl<mode>3"): Ditto.
	("mmx_lshrdi3"): Remove insn pattern.
	("mmx_ashldi3"): Ditto.
	* config/i386/i386.c (classify_argument): Handle V1DImode.
	(function_arg_advance_32): Ditto.
	(function_arg_32): Ditto.
	(struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
	mmx_addv1di3 insn pattern.
	[IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
	[IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
	IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
	IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
	Remove definitions of built-in functions.
	(V1DI_type_node): New node.
	(v1di_ftype_v1di_int): Ditto.
	(v1di_ftype_v1di_v1di): Ditto.
	(v2si_ftype_v2si_si): Ditto.
	(v4hi_ftype_v4hi_di): Remove node.
	(v2si_ftype_v2si_di): Ditto.
	(ix86_init_mmx_sse_builtins): Handle V1DImode.
	(__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
	Redefine builtins using def_builtin_const with *_ftype_*_int node.
	(__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
	Add new builtins using def_builtin_const.
	(ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
	IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
	IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
	* config/i386/mmintrin.h (__v1di): New typedef.
	(_mm_add_si64): Cast arguments to __v1di type.
	(_mm_sub_si64): Ditto.
	(_mm_sll_pi16): Cast __count to __v4hi type.
	(_mm_sll_pi32): Cast __count to __v2si type.
	(_mm_sll_si64): Cast arguments to __v1di type.
	(_mm_srl_pi16): Cast __count to __v4hi type.
	(_mm_srl_pi32): Cast __count to __v2si type.
	(_mm_srl_si64): Cast arguments to __v1di type.
	(_mm_sra_pi16): Cast __count to __v4hi type.
	(_mm_sra_pi32): Cast __count to __v2si type.
	(_mm_slli_pi16): Use __builtin_ia32_psllwi.
	(_mm_slli_pi32): Use __builtin_ia32_pslldi.
	(_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
	(_mm_srli_pi16): Use __builtin_ia32_psrlwi.
	(_mm_srli_pi32): Use __builtin_ia32_psrldi.
	(_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
	(_mm_srai_pi16): Use __builtin_ia32_psrawi.
	(_mm_srai_pi32): Use __builtin_ia32_psradi.
	* config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
	* doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
	__builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
	__builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.

2008-03-07  Joseph Myers  <joseph@codesourcery.com>

	* doc/include/texinfo.tex: Update to version 2008-03-07.10.

2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/35373
	* config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
	reg+const addressing for Altivec modes.  Don't generate reg+reg
	addressing for TFmode or TDmode quantities.

2008-03-07  Paolo Bonzini  <bonzini@gnu.org>

	* c-common.c (vector_types_convertible_p): Call langhook
	instead of comptypes.

2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR tree-opt/35402
	* tree-ssa-ccp.c (get_symbol_constant_value): Handle
	integral and scalar float variables which have a
	NULL DECL_INITIAL.

2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>

	* dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
	dwarf_register_span hook when emitting unwind information for
	register-to-memory saves.
	* config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
	(rs6000_frame_related): Remove call to spe_synthesize_frame.

2008-03-06  Jakub Jelinek  <jakub@redhat.com>

	* gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
	for the same VAR_DECL.

2008-03-06  Tom Tromey  <tromey@redhat.com>

	* treelang: Delete.
	* doc/standards.texi (Standards): Don't mention treelang.
	* doc/invoke.texi (Overall Options): Don't mention treelang.
	* doc/install.texi (Prerequisites): Don't mention bison or
	treelang.
	(Configuration): Don't mention treelang.
	(Building): Likewise.
	* doc/frontends.texi (G++ and GCC): Don't mention treelang.

2008-03-06  Paolo Bonzini  <bonzini@gnu.org>

	* simplify-rtx.c (simplify_subreg): Remove useless shifts from
	word-extractions out of a multi-word object.

2008-03-06  Richard Guenther  <rguenther@suse.de>

	* tree.def (BIT_FIELD_REF): Constrain result type and its precision.
	* tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
	result type and precision.
	* expr.c (get_inner_reference): Set unsignedp based on the result
	type of BIT_FIELD_REF.
	* tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
	* tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
	(try_instantiate_multiple_fields): Likewise.  Use the correct type
	for BIT_FIELD_REF.
	(sra_build_assignment): Likewise.
	(sra_build_elt_assignment): Likewise.
	(sra_explode_bitfield_assignment): Likewise.
	* print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
	* tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
	set BIT_FIELD_REF_UNSIGNED.
	(vectorizable_load): Likewise.

2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>

	* cse.c (cse_extended_basic_block): Invalidate artificial defs
	at bb start.

2008-03-06  Richard Guenther  <rguenther@suse.de>

	* alias.c (struct alias_set_entry): Move has_zero_child field
	to pack with alias_set.

2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386-modes.def: Use 4 byte alignment on DI for
	32bit host.

2008-03-05  Ian Lance Taylor  <iant@google.com>

	* alias.h (alias_set_type): Change from HOST_WIDE_INT to int.

2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>

	* fwprop.c (update_df): Support width and offset parameters of
	df_ref_create.
	* ra-conflict.c (mark_reg_store, clear_reg_in_live,
	global_conflicts): Change DF_REF_EXTRACT to either
	DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
	DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
	* df-scan.c (df_ref_record, df_defs_record,
	df_ref_create_structure, df_def_record_1, df_uses_record,
	df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
	df_bb_refs_collect, df_entry_block_defs_collect,
	df_exit_block_uses_collect): Support new width and offset fields.
	(ref_extract_pool): New storage pool.
	(df_free_ref): New function.
	(df_reg_chain_unlink, df_free_collection_rec,
	df_sort_and_compress_refs): Call df_free_ref.
	(df_ref_equal_p, df_ref_compare): Compare offset and width fields
	of df_ref_extract.
	(df_ref_create_structure): Allocate df_ref_extract if offset and
	width fields are used.
	(df_def_record_1): Get offset and width from ZERO_EXTRACT.
	(df_uses_record): Get offset and width from ZERO_EXTRACT 
	and SIGN_EXTRACT.
	* global.c (build_insn_chain): Change DF_REF_EXTRACT to either
	DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
	DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
	* df.h (df_ref_flags): Change DF_REF_EXTRACT to either
	DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
	DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
	(df_ref_extract): New structure.
	(DF_REF_WIDTH, DF_REF_OFFSET): New macros.
	(df_ref_create): Add width and offset parameters.
	
2008-03-05  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (get_constraint_for_component_ref):
	Use ranges_overlap_p.
	(offset_overlaps_with_access): Rename
	to ranges_overlap_p and move ...
	* tree-flow-inline.h (ranges_overlap_p): ... here.

	* tree.h (get_inner_reference, handled_component_p): Update
	comments.

	* tree.h (record_component_aliases, get_alias_set,
	alias_sets_conflict_p, alias_sets_must_conflict_p,
	objects_must_conflict_p): Move declarations ...
	* alias.h (record_component_aliases, get_alias_set,
	alias_sets_conflict_p, alias_sets_must_conflict_p,
	objects_must_conflict_p): ... here.
	Include coretypes.h.
	* Makefile.in (ALIAS_H): Add coretypes.h dependency.

2008-03-05  Aldy Hernandez  <aldyh@redhat.com>

	* cfg.c: Include tree-flow.h.
	(remove_edge_raw): Call redirect_edge_var_map_clear.
	(redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
	* tree-flow-inline.h (redirect_edge_var_map_def): New.
	(redirect_edge_var_map_result): New.
	* tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
	PENDING_STMT use with redirect_edge_var_map_*.
	* tree-ssa.c (edge_var_maps): New definition.
	(redirect_edge_var_map_add): New.
	(redirect_edge_var_map_clear): New.
	(redirect_edge_var_map_dup): New.
	(redirect_edge_var_map_vector): New.
	(redirect_edge_var_map_destroy): New.
	(ssa_redirect_edge): Replace PENDING_STMT use with
	redirect_edge_var_map_*.
	(flush_pending_stmts): Same.
	(delete_tree_ssa): Destroy edge var map.
	* tree-flow.h (struct _edge_var_map): New.
	Define edge_var_map vector type.
	Declare redirect_edge_var_map_* prototypes.
	* Makefile.in (cfg.o): Depend on TREE_FLOW_H.
	* tree-cfg.c (reinstall_phi_args): Replace
	PENDING_STMT use with redirect_edge_var_map_*.

2008-03-05  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35472
	* tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
	whose single use_stmt has a overlapping set of loaded and
	stored symbols as that use_stmt might be a noop assignment then.

2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>

	* gthr-rtems.h: Implement __gthread_mutex_destroy.

2008-03-05  Richard Guenther  <rguenther@suse.de>

	PR c++/35336
	* tree.def (BIT_FIELD_REF): Document that operands 1 and 2
	should be constants.
	* tree-cfg.c (verify_expr): Verify it.
	* fold-const.c (fold_truthop): Remove code generating
	BIT_FIELD_REFs of structure bases.
	(fold_binary): Likewise.
	(fold_ternary): Position and size of BIT_FIELD_REFs are
	always host integers.
	(make_bit_field_ref): Remove.
	(optimize_bit_field_compare): Remove.
	(all_ones_mask_p): Remove.

2008-03-05  Gabor Loki  <loki@gcc.gnu.org>

	PR gcc/33009
	* rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
	(split_block_and_df_analyze): New. Split basic block and rebuild
	dataflow.
	(block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
	SPLIT_BLOCK.
	(split_pattern_seq): Likewise.
	(erase_matching_seqs): Likewise.
	(split_pattern_seq): Skip return insn in case of REG_NORETURN note.

2008-03-04  Geoff Keating  <geoffk@apple.com>

	* fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
	declaration and code.
	(tree_invalid_nonnegative_warnv_p): Likewise.

2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>

	* doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
	examples.  Truncate option-names then causing overfull hbox.

2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/35222
	* configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
	on hpux10.
	* configure: Rebuilt.

2008-03-04  Rafael Espindola  <espindola@google.com>

	* fold-const.c (tree_simple_nonnegative_warnv_p): New.
	(tree_unary_nonnegative_warnv_p): New.
	(tree_binary_nonnegative_warnv_p): New.
	(tree_single_nonnegative_warnv_p): New.
	(tree_invalid_nonnegative_warnv_p): New.
	(tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.

2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 28322
	* opts.c (handle_option): Postpone 'unknown option' errors only for
	warning options.

2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35453
	* config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
	(_SIDD_XXX): This.

2008-03-04  Rafael Espindola  <espindola@google.com>

	* fold-const.c (tree_unary_nonzero_warnv_p): New.
	(tree_binary_nonzero_warnv_p): New.
	(tree_single_nonzero_warnv_p): New.
	(tree_expr_nonzero_warnv_p): Redefine using the new functions.

2008-03-04  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/35456
	* fold-const.c (fold_cond_expr_with_comparison): Prevent
	transformations for modes that have signed zeros.
	* ifcvt.c (noce_try_abs): Ditto.

2008-03-04  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/i386.c (override_options): Force
	-maccumulate-outgoing-args on if TARGET_STACK_PROBE.

2008-03-04  Jan Hubicka  <jh@suse.cz>

	PR c++/35262
	* ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
	in last commit.

2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>

	* config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
	label to probe the stack.

2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>

	* gthr-win32.h [__GTHREAD_HIDE_WIN32API]
	(__gthr_win32_mutex_destroy): Declare.
	[__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
	__gthr_win32_mutex_destroy.
	* config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.

2008-03-03  Jan Hubicka  <jh@suse.cz>

	PR c++/35262
	* ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
	aggressive on inlining cold calls.

2008-03-03  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
	struct copies into the expression table.
	(simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
	(try_to_simplify): Likewise.
	* fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
	integral and pointer arguments which do not change the
	precision to NOP_EXPRs.
	* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
	VIEW_CONVERT_EXPR case.

2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
	defined in a loop at depth 0 is invariant.
	* tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
	* tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
	be called at loop depth 0.

2008-03-02  Jakub Jelinek  <jakub@redhat.com>

	PR driver/35420
	* gcc.c (process_command): Update copyright notice dates.
	* gcov.c (print_version): Likewise.
	* gcov-dump.c (print_version): Likewise.
	* mips-tfile.c (main): Likewise.
	* mips-tdump.c (main): Likewise.

2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 24924
	* c-common.c (flag_permissive): Delete.
	(constant_expression_warnings): Check flags first.
	(constant_expression_error): New.
	* c-common.h (flag_permissive): Delete.
	(constant_expression_error): Declare.
	* flags.h (flag_permissive): Declare. Update description.
	* diagnostic.c (pedwarn): Update.
	(permerror): New.
	* diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
	(permissive_error_kind): New.
	* toplev.c (flag_permissive): Define. Update description.
	* toplev.h (permissive_error_kind): Declare.
	* c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
	(pedwarn_c90): Use pedantic_warning_kind.
	* c-opts.c (c_common_post_options): flag_permissive does not affect
	flag_pedantic_errors.

2008-03-02  Joseph Myers  <joseph@codesourcery.com>

	* libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
	__subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
	__absvsi2, __absvDI2): Use unsigned arithmetic.

2008-03-02  Andi Kleen  <ak@suse.de>
	    Richard Guenther  <rguenther@suse.de>

	* struct-equiv.c: Remove file.
	* cfg_cleanup.c (condjump_equiv_p): Remove.
	* Makefile.in (OBJS-common): Remove struct-equiv.o.
	(struct-equiv.o): Remove rule.
	* basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
	insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
	rtx_equiv_p, condjump_equiv_p): Remove prototypes.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

	* ifcvt.c (noce_process_if_block): Try to handle only the then
	block if the else block exists but isn't suitable.

2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>

	PR gcc/35063
	* gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
	* gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
	regression from previous patch.

2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>

	PR gcc/35063
	* gthr.h: Add __gthread_mutex_destroy as a function that must be
	implemented.
	* gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
	* gthr-single.h (__gthread_mutex_destroy): Likewise.
	* gthr-rtems.h (__gthread_mutex_destroy): Likewise.
	* gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
	* gthr-nks.h (__gthread_mutex_destroy): Likewise.
	* gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
	* gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
	(__gthread_mutex_destroy_function): Rename to
	__gthread_mutex_destroy.
	* gthr-dce.h (__gthread_mutex_destroy): Call
	pthread_mutex_destroy.
	* gthr-tpf.h (__gthread_mutex_destroy): Likewise.
	* gthr-posix.h (__gthread_mutex_destroy): Likewise.
	* gthr-posix95.h (__gthread_mutex_destroy): Likewise.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

	* df-scan.c (df_ref_chain_change_bb): Simplify.
	(df_insn_change_bb): Add new_bb argument.  Simplify.  Call
	set_block_for_insn if there's any change.
	* df.h ((df_insn_change_bb): Fix prototype.
	* cfgrtl.c (update_bb_for_insn_chain): Pass bb to
	df_insn_change_bb, don't call set_block_for_insn.
	* emit-rtl.c (reorder_insns): Likewise.
	* haifa-sched.c (move_insn): Likewise.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

	* rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

	* tree-flow-inline.h (next_readonly_imm_use): Return
	NULL_USE_OPERAND_P after the end.

2008-03-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35411
	* tree-sra.c (sra_build_assignment): Split conversion to
	final type to a separate statement if we are not assigning
	to a register.

2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	* fold-const.c (fold_convertible_p): Correct the logic to follow
	that in fold_convert().

2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>

	PR c++/35315
	* tree-inline.c (build_duplicate_type): When we make a
	duplicate type, make it unique in the canonical types system.

2008-02-29  Tom Tromey  <tromey@redhat.com>

	* toplev.c (input_file_stack, input_file_stack_tick, fs_p,
	input_file_stack_history, input_file_stack_restored): Remove.
	(push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
	* input.h (struct file_stack): Remove.
	(push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
	(input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
	Likewise.
	* diagnostic.h (struct diagnostic_context) <last_module>: Change
	type.
	(diagnostic_last_module_changed): Add 'map' argument.
	(diagnostic_set_last_function): Likewise.
	* diagnostic.c (undiagnostic_report_current_module): Iterate using
	line map, not input_file_stack.
	* c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.

2008-02-29  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.md (arm_addsi3): Add r/k/n alternative.

2008-02-29  Paul Brook  <paul@codesourcery.com>

	* config/arm/ieee754-df.S (muldf3): Use RET macros.

2008-02-29  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
	vn_lookup_or_add.
	* tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
	value for comparing for a store match.
	(simplify_unary_expression): Do nothing for SSA_NAMEs.
	(try_to_simplify): Do not do a full-blown reference lookup.

2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_scalar_mode_supported_p): New function.
	(TARGET_SCALAR_MODE_SUPPORTED_P): Define.

	* config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.

2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-loop-linear.c (try_interchange_loops): Compare memory access
	strides against cache sizes.

2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_secondary_reload): Handle loading a float
	constant to fpul.

2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>

	* simplify-rtx.c (simplify_unary_operation_1): Extend the handling
	of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
	is smaller than the original promoted value.
	(simplify_subreg): If OP is a SUBREG, try to preserve its
	SUBREG_PROMOTED_VAR_P information.

2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>

	* tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
	(VN_INFO_GET): Allocate new objects on the obstack.
	(init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
	for rpo_numbers_temp, for consistency.
	(free_scc_vn): Free the obstack.

2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>

	* doc/invoke.texi: Document -ftree-loop-distribution.
	* tree-loop-distribution.c: New.
	* tree-pass.h (pass_loop_distribution): New.
	* graphds.h (struct graph): Add htab_t indices.
	* timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
	* tree-vectorizer.c (rename_variables_in_loop): Extern.
	(slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
	* tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
	* tree-data-ref.c (debug_data_dependence_relations): New.
	(dump_data_dependence_relation): Also print data references.
	(free_data_ref): Extern.
	(same_access_functions): Moved...
	(find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
	(dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
	debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
	struct rdg_vertex_info, rdg_vertex_for_stmt): New.
	(create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
	(stmts_from_loop): Skip LABEL_EXPR.
	(hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
	New.
	(build_rdg): Initialize rdg->indices htab.
	(free_rdg, stores_from_loop, ref_base_address,
	rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
	have_similar_memory_accesses_1, ref_base_address_1,
	remove_similar_memory_refs): New.
	* tree-data-ref.h: Depend on tree-chrec.h.
	(debug_data_dependence_relations, free_data_ref): Declared.
	(same_access_functions): ... here.
	(ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
	New.
	(struct rdg_vertex): Add has_mem_write and has_mem_reads.
	(RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
	RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
	(dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
	debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
	rdg_vertex_for_stmt): Declared.
	(struct rdg_edge): Add level.
	(RDGE_LEVEL): New.
	(free_rdg, stores_from_loop, remove_similar_memory_refs,
	rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
	Declared.
	(rdg_has_similar_memory_accesses): New.
	* tree-vect-analyze.c: Remove unused static decls.
	* lambda.h (dependence_level): New.
	* common.opt (ftree-loop-distribution): New.
	* tree-flow.h (mark_virtual_ops_in_bb, 
	slpeel_tree_duplicate_loop_to_edge_cfg,
	rename_variables_in_loop): Declared.
	* Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
	(OBJS-common): Add tree-loop-distribution.o.
	(tree-loop-distribution.o): New rule.
	* tree-cfg.c (mark_virtual_ops_in_bb): New.
	(mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
	* passes.c (init_optimization_passes): Schedule pass_loop_distribution.

2008-02-28  Joseph Myers  <joseph@codesourcery.com>

	PR target/33963
	* tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
	other than structures and unions.

2008-02-28  Richard Guenther  <rguenther@suse.de>

	Revert:
	2008-02-26  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
	* tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
	(lookup_decl_from_uid): Declare.
	(remove_decl_from_map): Likewise.
	* tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
	* tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
	(decl_for_uid_map): New global hashtable mapping DECL_UID
	to the decl tree.
	(init_ttree): Allocate it.
	(insert_decl_to_uid_decl_map): New helper function.
	(make_node_stat): Insert new decls into the map.
	(copy_node_stat): Likewise.
	(lookup_decl_from_uid): New function.
	(remove_decl_from_map): Likewise.
	(print_decl_for_uid_map_statistics): New helper.
	(dump_tree_statistics): Call it.

	* tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
	(referenced_var_iterator): Adjust.
	(FOR_EACH_REFERENCED_VAR): Adjust.
	(FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
	(num_referenced_vars): Adjust.
	* tree-flow-inline.h (gimple_referenced_vars): Adjust.
	(first_referenced_var): Remove.
	(end_referenced_vars_p): Likewise.
	(next_referenced_var): Likewise.
	(referenced_var_iterator_set): New helper function.
	* tree-dfa.c (referenced_var_lookup): Adjust.
	(referenced_var_check_and_insert): Likewise.
	(remove_referenced_var): Likewise.
	* tree-ssa.c (verify_flow_insensitive_alias_info): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(verify_call_clobbering): Likewise.
	(verify_memory_partitions): Likewise.
	(init_tree_ssa): Allocate bitmap instead of hashtable for
	referenced_vars.
	(delete_tree_ssa): Adjust.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(compute_tag_properties): Likewise.
	(set_initial_properties): Likewise.
	(find_partition_for): Likewise.
	(update_reference_counts): Likewise.
	(dump_may_aliases_for): Likewise.
	* tree-ssa-operands.c (add_virtual_operand): Likewise.
	(add_call_clobber_ops): Likewise.
	(add_call_read_ops): Likewise.
	(get_asm_expr_operands): Likewise.
	* tree-into-ssa.c (dump_decl_set): Likewise.
	(update_ssa): Likewise.
	* tree-sra.c (scan_function): Likewise.
	(decide_instantiations): Likewise.
	(scalarize_parms): Likewise.
	* tree-ssa-alias-warnings.c (build_reference_table): Likewise.
	(dsa_named_for): Likewise.
	* tree-ssa-structalias.c (update_alias_info): Likewise.
	(merge_smts_into): Likewise.

2008-02-27  David Daney  <ddaney@avtrex.com>

	PR target/34409
	* config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
	* config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
	* config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
	* config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
	* config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.

2008-02-27  Uros Bizjak  <ubizjak@gmail.com>

	PR target/25477
	* config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
	(BUILT_IN_NEXTTOWARD): Remove.
	(BUILT_IN_NEXTTOWARDF): Ditto.
	* config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
	alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.

2008-02-27  Tom Tromey  <tromey@redhat.com>

	* tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
	DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.

2008-02-27  Jan Beulich  <jbeulich@novell.com>

	* c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
	update the respective field on newdecl.

2008-02-27  Revital Eres  <eres@il.ibm.com>

	PR rtl-optimization/34999
	* bb-reorder.c (add_labels_and_missing_jumps): Do not handle
	crossing edges that ends with a call insn.
	(fix_up_fall_thru_edges): Handle crossing edges that ends with a
	call insn and clear the EDGE_CROSSING flag of the crossing edge
	when fixing fallthru edges.

2008-02-27  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35390
	* fold-const.c (fold_unary): Return the correct argument,
	converted to the result type.

2008-02-27  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34971
	* expr.c (expand_expr_real_1): Assert on rotates that operate
	on partial modes.
	* fold-const.c (fold_binary): Use the types precision, not the
	bitsize of the mode if folding rotate expressions.  Build rotates
	only for full modes.

2008-02-27  Jakub Jelinek  <jakub@redhat.com>

	* c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
	and CPP_PRAGMA_EOL.
	* c-pragma.c (pragma_ns_name): New typedef.
	(registered_pp_pragmas): New variable.
	(c_pp_lookup_pragma): New function.
	(c_register_pragma_1): If flag_preprocess_only, do nothing
	for non-expanded pragmas, for expanded ones push pragma's
	namespace and name into registered_pp_pragmas vector.
	(c_invoke_pragma_handler): Register OpenMP pragmas even when
	flag_preprocess_only, don't register GCC pch_preprocess
	pragma if flag_preprocess_only.
	* c-opts.c (c_common_init): Call init_pragma even if
	flag_preprocess_only.
	* c-pragma.c (c_pp_lookup_pragma): New prototype.
	* config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
	cpp_register_pragma if flag_preprocess_only.

2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR c/28800
	* c-parser.c (c_parser_translation_unit): Warn for empty
	translation unit, not empty source file.

2008-02-26  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
	operand for Thumb-2.
	* config/arm/arm.h (reg_class): Add CORE_REGS.
	(REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
	(BASE_REG_CLASS): Use CORE_REGS.
	(PREFERRED_RELOAD_CLASS): Add STACK_REG.
	(REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
	(REGNO_OK_FOR_INDEX_P): Exclude SP.
	(ARM_REG_OK_FOR_INDEX_P): Always define.  Use
	ARM_REGNO_OK_FOR_INDEX_P.
	(ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
	* config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
	arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
	(ldm/stm peepholes): Ditto.
	* config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
	* config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
	* config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
	* config/arm/constraints.md: Enable "k" constraint on ARM.

2008-02-27  Ben Elliston  <bje@au.ibm.com>

	* config/rs6000/rs6000.c: Annotate cache line size field in all
	instances of struct processor_costs.

2008-02-26  David Edelsohn  <edelsohn@gnu.org>

	* dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
	dse2, gcse, if_conversion, if_after_combine, if_after_reload,
	jump_bypass): New counters.
	* cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
	* dce.c (gate_ud_dce): Same.
	(gate_fast_dce): Same.
	* dse.c (gate_dse1): New function.
	(gate_dse2): New function.
	(gate_dse): Merge results of new gate functions.
	* gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
	(gate_handle_jump_bypass): Add dbg_cnt.
	(gate_handle_gcse): Add dbg_cnt.
	* ifcvt.c (gate_handle_if_conversion): Same.
	(gate_handle_if_after_combine): Same.
	(gate_handle_if_after_reload): Same.
	* Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.

2008-02-26  Edmar Wienskoski  <edmar@freescale.com>

	* config/rs6000/rs6000.c (processor_costs): Update e300 cache
	line sizes.
	* doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.

2008-02-26  Jason Merrill  <jason@redhat.com>

	PR c++/35315
	* attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
	alone if it's the naming decl for the type's main variant.

2008-02-26  Tom Tromey  <tromey@redhat.com>

	* system.h (USE_MAPPED_LOCATION): Poison.
	* Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
	* tree-cfg.c (make_cond_expr_edges): Remove old location code.
	(make_goto_expr_edges): Likewise.
	(remove_bb): Likewise.
	(execute_warn_function_return): Likewise.
	* basic-block.h (struct edge_def) <goto_locus>: Change type to
	location_t.
	* c-common.c (fname_decl): Remove old location code.
	* tree-vect-transform.c (vect_finish_stmt_generation): Remove old
	location code.
	* rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
	variant.
	(ASM_INPUT_SOURCE_LOCATION): Likewise.
	(gen_rtx_ASM_INPUT): Likewise.
	(gen_rtx_ASM_INPUT_loc): Likewise.
	(get_rtx_asm_OPERANDS): Remove.
	* cfglayout.c (insn_locators_alloc): Remove old location code.
	(set_curr_insn_source_location): Likewise.
	(curr_insn_locator): Likewise.
	* print-tree.c (print_node): Remove old location code.
	* tree-mudflap.c (mf_varname_tree): Remove old location code.
	(mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
	* cfgexpand.c (expand_gimple_cond_expr): Don't use
	location_from_locus.
	(construct_exit_block): Remove old location code.
	* emit-rtl.c (force_next_line_note): Remove old location code.
	* profile.c (branch_prob): Remove old location code.
	* tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
	LOC_LINE): Remove old-location variants.
	* langhooks.c (lhd_print_error_function): Remove old location
	code.
	* configure, config.in: Rebuilt.
	* configure.ac (--enable-mapped-location): Remove.
	* c-decl.c (c_init_decl_processing): Remove old location code.
	(finish_function): Likewise.
	* recog.c (decode_asm_operands): Remove old location code.
	* c-pch.c (c_common_read_pch): Remove old location code.
	* rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
	variants.
	* gimple-low.c (lower_function_body): Remove old location code.
	* toplev.c (unknown_location): Remove.
	(push_srcloc): Remove old-location variant.
	(process_options): Remove old location code.
	(lang_dependent_init): Likewise.
	* input.h (UNKNOWN_LOCATION): Move definition.
	(location_t): Undeprecate.
	(source_locus): Remove.
	(location_from_locus): Remove.
	(struct location_s): Remove.
	Remove all old-location code.
	(input_line, input_filename): Remove.
	* final.c (final_scan_insn): Remove old location code.
	* diagnostic.c (diagnostic_build_prefix): Remove
	USE_MAPPED_LOCATION test.
	* tree.h (gimple_stmt) <locus>: Now a location_t.
	(tree_exp) <locus>: Likewise.
	(DECL_IS_BUILTIN): Remove old-location variant.
	(annotate_with_file_line, annotate_with_locus): Likewise.
	(expr_locus, set_expr_locus): Update.
	* tree.c (build1_stat): Remove old location code.
	(last_annotated_node): Remove.
	(annotate_with_file_line): Remove old-location variant.
	(annotate_with_locus): Likewise.
	(expr_location): Remove old location code.
	(set_expr_location): Likewise.
	(expr_has_location): Likewise.
	(expr_locus): Likewise.
	(set_expr_locus): Likewise.
	(expr_filename): Don't use location_from_locus.
	(expr_lineno): Likewise.
	* rtl-error.c (location_for_asm): Remove old location code.
	* c-lex.c (cb_line_change): Remove old location code.
	(fe_file_change): Likewise.
	(cb_def_pragma): Likewise.
	(c_lex_with_flags): Likewise.
	* gengtype.c (do_typedef): Don't special-case location types.
	(define_location_structures): Remove.
	(main): Don't call define_location_structures.
	* tree-pretty-print.c (dump_implicit_edges): Remove old location
	code.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 26264
	* builtins.def (BUILT_IN_STDARG_START): Remove.
	* builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
	* tree-stdarg.c (execute_optimize_stdarg): Likewise.
	* tree-inline.c (inline_forbidden_p_1): Likewise.
	
2008-02-26  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
	* tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
	(lookup_decl_from_uid): Declare.
	(remove_decl_from_map): Likewise.
	* tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
	* tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
	(decl_for_uid_map): New global hashtable mapping DECL_UID
	to the decl tree.
	(init_ttree): Allocate it.
	(insert_decl_to_uid_decl_map): New helper function.
	(make_node_stat): Insert new decls into the map.
	(copy_node_stat): Likewise.
	(lookup_decl_from_uid): New function.
	(remove_decl_from_map): Likewise.
	(print_decl_for_uid_map_statistics): New helper.
	(dump_tree_statistics): Call it.

	* tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
	(referenced_var_iterator): Adjust.
	(FOR_EACH_REFERENCED_VAR): Adjust.
	(FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
	(num_referenced_vars): Adjust.
	* tree-flow-inline.h (gimple_referenced_vars): Adjust.
	(first_referenced_var): Remove.
	(end_referenced_vars_p): Likewise.
	(next_referenced_var): Likewise.
	(referenced_var_iterator_set): New helper function.
	* tree-dfa.c (referenced_var_lookup): Adjust.
	(referenced_var_check_and_insert): Likewise.
	(remove_referenced_var): Likewise.
	* tree-ssa.c (verify_flow_insensitive_alias_info): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(verify_call_clobbering): Likewise.
	(verify_memory_partitions): Likewise.
	(init_tree_ssa): Allocate bitmap instead of hashtable for
	referenced_vars.
	(delete_tree_ssa): Adjust.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(compute_tag_properties): Likewise.
	(set_initial_properties): Likewise.
	(find_partition_for): Likewise.
	(update_reference_counts): Likewise.
	(dump_may_aliases_for): Likewise.
	* tree-ssa-operands.c (add_virtual_operand): Likewise.
	(add_call_clobber_ops): Likewise.
	(add_call_read_ops): Likewise.
	(get_asm_expr_operands): Likewise.
	* tree-into-ssa.c (dump_decl_set): Likewise.
	(update_ssa): Likewise.
	* tree-sra.c (scan_function): Likewise.
	(decide_instantiations): Likewise.
	(scalarize_parms): Likewise.
	* tree-ssa-alias-warnings.c (build_reference_table): Likewise.
	(dsa_named_for): Likewise.
	* tree-ssa-structalias.c (update_alias_info): Likewise.
	(merge_smts_into): Likewise.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 34351
	* doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
	* c-opts.c (c_common_handle_option): Wall enables
	Wvolatile-register-var.
	* common.opt: Move Wvolatile-register-var to...
	* c.opt: ...here.
	
2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* common.opt (Wlarger-than=): New.
	* doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
	-Wlarger-than=.
	* opts.c (common_handle_option): Handle -Wlarger-than=.
	* optc-gen.awk: Likewise.
	* opth-gen.awk: Likewise.
	* stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
	* tree-optimize.c (tree_rest_of_compilation): Likewise.
	
2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>

	* c-common.c (match_case_to_enum_1): Add appropriate
	OPT_W* parameter to warning.
	(c_do_switch_warnings): Likewise.
	* c-typeck.c (warning_init): Add one more parameter following
	'warning' function.
	(push_init_level): Update call to warning_init.
	(pop_init_level): Likewise.
	(add_pending_init): Likewise.
	(output_init_element: Likewise.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 28322
	* toplev.c (toplev_main): If there are warnings or error, print
	errors for ignored options.
	* opts.c (ignored_options): New static variable.
	(postpone_unknown_option_error): New.
	(print_ignored_options): New.
	(handle_option): Postpone errors for unknown -Wno-* options.
	* opts.h (print_ignored_options): Declare.
	
2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>

	* config/mips/mips.md (loadgp_blockage, blockage): Change type
	to "ghost".

2008-02-25  Richard Guenther  <rguenther@suse.de>

	Revert:
	2008-02-25  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
	* tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
	(lookup_decl_from_uid): Declare.
	* tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
	* tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
	(decl_for_uid_map): New global hashtable mapping DECL_UID
	to the decl tree.
	(init_ttree): Allocate it.
	(insert_decl_to_uid_decl_map): New helper function.
	(make_node_stat): Insert new decls into the map.
	(copy_node_stat): Likewise.
	(lookup_decl_from_uid): New function.
	(print_decl_for_uid_map_statistics): New helper.
	(dump_tree_statistics): Call it.

	* tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
	(referenced_var_iterator): Adjust.
	(FOR_EACH_REFERENCED_VAR): Adjust.
	(FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
	(num_referenced_vars): Adjust.
	* tree-flow-inline.h (gimple_referenced_vars): Adjust.
	(first_referenced_var): Remove.
	(end_referenced_vars_p): Likewise.
	(next_referenced_var): Likewise.
	(referenced_var_iterator_set): New helper function.
	* tree-dfa.c (referenced_var_lookup): Adjust.
	(referenced_var_check_and_insert): Likewise.
	(remove_referenced_var): Likewise.
	* tree-ssa.c (verify_flow_insensitive_alias_info): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(verify_call_clobbering): Likewise.
	(verify_memory_partitions): Likewise.
	(init_tree_ssa): Allocate bitmap instead of hashtable for
	referenced_vars.
	(delete_tree_ssa): Adjust.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(compute_tag_properties): Likewise.
	(set_initial_properties): Likewise.
	(find_partition_for): Likewise.
	(update_reference_counts): Likewise.
	(dump_may_aliases_for): Likewise.
	* tree-ssa-operands.c (add_virtual_operand): Likewise.
	(add_call_clobber_ops): Likewise.
	(add_call_read_ops): Likewise.
	(get_asm_expr_operands): Likewise.
	* tree-into-ssa.c (dump_decl_set): Likewise.
	(update_ssa): Likewise.
	* tree-sra.c (scan_function): Likewise.
	(decide_instantiations): Likewise.
	(scalarize_parms): Likewise.
	* tree-ssa-alias-warnings.c (build_reference_table): Likewise.
	(dsa_named_for): Likewise.
	* tree-ssa-structalias.c (update_alias_info): Likewise.
	(merge_smts_into): Likewise.

2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/29549
	* doc/invoke.texi (-fcx-limited-range): Document new option.
	* toplev.c (process_options): Handle -fcx-fortran-rules.
	* common.opt: Add documentation for -fcx-fortran-rules.

2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>

	PR c/35162
	* doc/invoke.texi (-fcx-limited-range): Correct to be in line with
	actual behaviour and C99.
	
2008-02-26  Ben Elliston  <bje@au.ibm.com>

	* config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
	(ASM_CPU_POWER6_SPEC): Likewise.
	(ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
	Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
	(EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.

2008-02-25  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
	* tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
	(lookup_decl_from_uid): Declare.
	* tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
	* tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
	(decl_for_uid_map): New global hashtable mapping DECL_UID
	to the decl tree.
	(init_ttree): Allocate it.
	(insert_decl_to_uid_decl_map): New helper function.
	(make_node_stat): Insert new decls into the map.
	(copy_node_stat): Likewise.
	(lookup_decl_from_uid): New function.
	(print_decl_for_uid_map_statistics): New helper.
	(dump_tree_statistics): Call it.

	* tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
	(referenced_var_iterator): Adjust.
	(FOR_EACH_REFERENCED_VAR): Adjust.
	(FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
	(num_referenced_vars): Adjust.
	* tree-flow-inline.h (gimple_referenced_vars): Adjust.
	(first_referenced_var): Remove.
	(end_referenced_vars_p): Likewise.
	(next_referenced_var): Likewise.
	(referenced_var_iterator_set): New helper function.
	* tree-dfa.c (referenced_var_lookup): Adjust.
	(referenced_var_check_and_insert): Likewise.
	(remove_referenced_var): Likewise.
	* tree-ssa.c (verify_flow_insensitive_alias_info): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(verify_call_clobbering): Likewise.
	(verify_memory_partitions): Likewise.
	(init_tree_ssa): Allocate bitmap instead of hashtable for
	referenced_vars.
	(delete_tree_ssa): Adjust.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(compute_tag_properties): Likewise.
	(set_initial_properties): Likewise.
	(find_partition_for): Likewise.
	(update_reference_counts): Likewise.
	(dump_may_aliases_for): Likewise.
	* tree-ssa-operands.c (add_virtual_operand): Likewise.
	(add_call_clobber_ops): Likewise.
	(add_call_read_ops): Likewise.
	(get_asm_expr_operands): Likewise.
	* tree-into-ssa.c (dump_decl_set): Likewise.
	(update_ssa): Likewise.
	* tree-sra.c (scan_function): Likewise.
	(decide_instantiations): Likewise.
	(scalarize_parms): Likewise.
	* tree-ssa-alias-warnings.c (build_reference_table): Likewise.
	(dsa_named_for): Likewise.
	* tree-ssa-structalias.c (update_alias_info): Likewise.
	(merge_smts_into): Likewise.

2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>

	PR target/35258
	* cse.c (cse_insn): Avoid creation of overlapping MEMs.
	* alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
	* alias.h (nonoverlapping_memrefs_p): Likewise.

2008-02-25  Jan Beulich  <jbeulich@novell.com>

	* Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
	* config/i386/netware-libgcc.exp: Add __bswap?i2,
	__emultls_get_address, __emultls_register_common,
	__floatundi?f, and _Unwind_GetIPInfo.
	* config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
	Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
	(gen_regparm_prefix): Likewise.
	(i386_nlm_encode_section_info): Sync with
	config/i386/winnt.c:i386_pe_encode_section_info().
	(i386_nlm_maybe_mangle_decl_assembler_name): New.
	i386_nlm_mangle_decl_assembler_name): New.
	(netware_override_options): New.
	* config/i386/netware.h (netware_override_options): Declare.
	(OVERRIDE_OPTIONS): Re-define to netware_override_options.
	(i386_nlm_mangle_decl_assembler_name): Declare.
	(TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.

2008-02-25  Ben Elliston  <bje@au.ibm.com>

	PR other/32948
	* c-decl.c (grokdeclarator): Remove unused local variables
	`typedef_type' and `type_as_written'.
	* bb-reorder.c
	(find_rarely_executed_basic_blocks_and_crossing_edges): Remove
	unused local variable `has_hot_blocks'.
	(fix_crossing_conditional_branches): Remove unused local variable
	`prev_bb'.
	
2008-02-25  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/19984
	* builtins.def (BUILT_IN_NAN): Define as c99 builtin
	using DEF_C99_BUILTIN.
	(BUILT_IN_NANF): Ditto.
	(BUILT_IN_NANL): Ditto.

2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
	    Revital Eres  <eres@il.ibm.com>

	* modulo-sched.c (calculate_must_precede_follow): Address TODO
	regarding the order of two dependent insns in the same row.

2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>

	* stor-layout.c (layout_decl): Do not bump the alignment of a
	bit-field to more than byte alignment if it is packed.

2008-02-24  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.c (processor_costs): Add cache costs for
	e300c2 and e300c3.

2008-02-24  Diego Novillo  <dnovillo@google.com>

	http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html

	PR 33738
	* tree-vrp.c (vrp_evaluate_conditional): With
	-Wtype-limits, emit a warning when comparing against a
	constant outside the natural range of OP0's type.
	* c.opt (Wtype-limits): Move ...
	* common.opt (Wtype-limits): ... here.

2008-02-24  Edmar Wienskoski  <edmar@freescale.com>

	* config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
	* config/rs6000/e300c2c3.md: New file.
	* config/rs6000/rs6000.c (processor_costs): Add new costs for
	e300c2 and e300c3.
	(rs6000_override_options): Add e300c2 and e300c3 cases to
	processor_target_table. Do not allow usage of Altivec or Spe
	with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
	(rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
	* config/rs6000/rs6000.h (processor_type): Add
	PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
	(ASM_CPU_SPEC): Add e300c2 and e300c3.
	* config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
	and ppce300c3. Include e300c2c3.md.

2008-02-23  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
	instead of TARGET_STRICT_ALIGN.

2008-02-23  Joseph Myers  <joseph@codesourcery.com>

	* explow.c (memory_address): Assert that the generated address is
	valid.

2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR target/25477
	* config/darwin-protos.h: Add darwin_patch_builtins prototype.
	* config/darwin-ppc-ldouble-patch.def: New file.
	* config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
	* config/rs6000/rs6000.c (rs6000_init_builtins): Call
	SUBTARGET_INIT_BUILTINS if defined.
	* config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
	New functions.

2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR rtl-opt/33512
	* simplify-rtx.c (simplify_binary_operation_1): Add simplification
	of (and X (ior (not X) Y) and (and (ior (not X) Y) X).

2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR pch/35027
	* c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
	file" warning condtional on -Winvalid-PCH.

2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>

	* expmed.c (extract_bit_field): Always use adjust_address for MEM.

2008-02-23  Uros Bizjak  <ubizjak@gmail.com>

	PR target/22076
	PR target/34256	
	* config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
	prevent reload from using MMX registers.
	(*mov<mode>_internal): Ditto.
	(*movv2sf_internal_rex64): Ditto.
	(*movv2sf_internal): Ditto.

2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR documentation/31569
	* doc/install.texi2html: Use makeinfo --no-number-sections.

2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
	ensure that we can address an entire entity > 8 bytes.  Don't
	generate reg+reg addressing for such data.

2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
	strings when optimizing for size, unless the target cares about
	alignment.

2008-02-22  Tom Tromey  <tromey@redhat.com>

	* regclass.c (current_pass): Remove declaration.

2008-02-22  Anatoly Sokolov <aesok@post.ru>

	* config/avr/libgcc.S (__RAMPZ__): Define.
	(__do_copy_data): Add for devices with 128KB code memory.

2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
	Use spe_abi.
	* config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.

2008-02-22  Hans-Peter Nilsson  <hp@axis.com>

	* config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
	GENNONACR_REGS.

2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR c/19999
	* c-typeck.c (build_binary_op): Warn about floating point
	comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.

2008-02-21  Janis Johnson  <janis187@us.ibm.com>

	PR target/34526
	* config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
	(rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
	add vrsave.
	(rs6000_override_options): Set altivec_abi as default, not override,
	for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
	TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
	is used; use new member spe_abi.
	(rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
	spe_abi and altivec_abi.

2008-02-22  Tomas Bily  <tbily@suse.cz>

	* tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.

2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR bootstrap/35273
	* config.build (build_file_translate): Set to `CMD //c' only if
	it works.
	* Makefile.in (build_file_translate): Improve comment.

2008-02-21  Jan Hubicka  <jh@suse.cz>

	* predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
	PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
	PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.

2008-02-21  Michael Matz  <matz@suse.de>

	PR target/35264
	* config/i386/i386.c (ix86_expand_branch): Add missing breaks.

2008-02-21  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
	movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
	as insn constraint.
	* config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
	from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
	SSE_VEC_FLOAT_MODE_P as insn constraint.
	(<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
	(sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
	sse4a_movntdf using MODEF mode iterator.
	(sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
	sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
	(sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
	(sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
	(sse4_1_dpp<ssemodesuffixf2c>): Ditto.
	(sse4_1_roundp<ssemodesuffixf2c>): Ditto.
	(sse4_1_rounds<ssemodesuffixf2c>): Ditto.

2008-02-21  Richard Guenther  <rguenther@suse.de>

	* tree.def (PAREN_EXPR): New tree code.
	* fold-const.c (fold_unary): Remove PAREN_EXPR around constants
	and PAREN_EXPR.
	* tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
	* expr.c (expand_expr_real_1): Likewise.
	* tree-inline.c (estimate_num_insns_1): Likewise.
	* tree-complex.c (expand_complex_move): Likewise.
	* tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
	as plain x.

2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/35225
	* config/sh/sh.c (find_barrier): Don't go past 'from' argument.

2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/35190
	* config/sh/sh.md (jump_compact): Disable for crossing jumps.

	* config/sh/sh.c (find_barrier): Don't go past
	NOTE_INSN_SWITCH_TEXT_SECTIONS note.

2008-02-20  DJ Delorie  <dj@redhat.com>

	* config/h8300/h8300.md (insv): Force source operand to be a register.

	* config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
	as a jump, not as a plain insn.
	
2008-02-20  Seongbae Park <seongbae.park@gmail.com>

	* doc/invoke.texi (Warning Options): Add new option
	-Wframe-larger-than=.
	(-Wframe-larger-than): Document.

	* flags.h (warn_frame_larger_than, frame_larger_than_size):
	Add declarations for new option variables.

	* final.c (final_start_function): Check the frame size
	before emission and issue a Wframe-larger-than warning.

	* opts.c (warn_frame_larger_than, frame_larger_than_size):
	Add definitions for new option variables.
	(common_handle_option): Handle new option OPT_Wframe_larger_than_.

	* common.opt (Wframe-larger-than=): New option.

2008-02-20  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
	(<sse>_div<mode>3): Ditto.
	(<sse>_vmdiv<mode>3): Ditto.
	(<sse>_vmsqrt<mode>2): Ditto.
	(*smax<mode>3): Ditto.
	(sse5_frcz<mode>2): Ditto.
	(sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
	as insn constraint.

2008-02-20  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35265
	* builtins.c (validate_arg): If we want an INTEGER_TYPE,
	be happy with INTEGRAL_TYPE_P.

2008-02-20  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (split_tree): Associate floatig-point expressions
	if flag_associative_math is set.

2008-02-20  Richard Guenther  <rguenther@suse.de>

	* tree.h (fold_real_zero_addition_p): Declare.
	* fold-const.c (fold_real_zero_addition_p): Export.
	* tree-ssa-reassoc.c (eliminate_using_constants): Also handle
	floating-point operations with zero and one.

2008-02-20  Paolo Bonzini  <bonzini@gnu.org>

	* doc/install.texi: Correct references to CFLAGS, replacing them
	with BOOT_CFLAGS.  Document flags used during bootstrap for
	target libraries.
				
2008-02-20  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
	* config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
	and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
	insn constraint.
	(smin<mode>3): Ditto from similar patterns.
	(smax<mode>3): Ditto.
	(*ieee_smin<mode>3): Ditto.
	(*ieee_smax<mode>3): Ditto.
	* config/i386/sse.md (sse): New mode attribute.
	(mov<mode>): Macroize expander from movv4sf and movv2df using
	SSEMODEF2P mode iterator.
	(<sse>_movnt<mode>): Ditto from similar patterns. Use
	SSE_VEC_FLOAT_MODE_P as insn constraint.
	(storent<mode>): Ditto.
	(storent<mode>): Macroize expander from storentsf and storentdf using
	MODEF mode iterator.
	(neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
	mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
	(abs<mode>2): Ditto from similar patterns.
	(add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
	(sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
	(<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
	(<sse>_vmsqrt<mode>2): Ditto.
	(smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
	(<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
	(smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
	(<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
	(<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
	sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
	mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
	insn constraint.
	(<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
	iterator and SSE_FLOAT_MODE_P as insn constraint.
	(<sse>_ucomi): Ditto from similar patterns.
	(<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
	sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
	SSE_VEC_FLOAT_MODE_P as insn constraint.
	(vcond<mode>): Ditto from similar patterns.
	(and<mode>3, *and<mode>3): Ditto.
	(<sse>_nand<mode>3): Ditto.
	(ior<mode>3, *ior<mode>3): Ditto.
	(xor<mode>3, *xor<mode>3): Ditto.
	(*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
	iterator and SSE_FLOAT_MODE_P as insn constraint.
	(*nand<mode>3): Ditto from similar patterns.
	(*ior<mode>3): Ditto.
	(*xor<mode>3): Ditto.

2008-02-20  Ira Rosen  <irar@il.ibm.com>

	* config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
	vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
	vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.

2008-02-19  Jan Hubicka  <jh@suse.cz>

	* predict.c (tree_bb_level_predictions): Remove variable next
	mistakely introduced by previous commit.

2008-02-19  Jan Hubicka  <jh@suse.cz>

	* predict.c (predict_paths_leading_to): Rewrite.
	(predict_paths_for_bb): New.
	(tree_bb_level_predictions): Update call of predict_paths_leading_to.

2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR bootstrap/35218
	* Makefile.in (build_file_translate): New.
	(gcc-vers.texi): Use it for translating $(abs_srcdir).
	* config.build (build_file_translate): Set to `CMD //c' on MinGW.
	* configure.ac (build_file_translate): Substitute it.
	* configure: Regenerate.

2008-02-19  Jan Hubicka  <jh@suse.cz>

	PR rtl-optimization/34408
	* see.c (see_def_extension_not_merged): Copy subreg so we don't have
	invalid sharing.

2008-02-19  Jan Hubicka  <jh@suse.cz>

	PR middle-end/28779
	* tree-inline.c (estimate_num_insns_1): Fix counting of cost of
	call_expr.

2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>

	PR Ada/35186
	* config/i386/i386-modes.def: Revert the last DI alignment
	change until Ada people can look into it.

2008-02-19  Nick Clifton  <nickc@redhat.com>

	* opts.c (print_specific_help): Fix typo in --help text.

2008-02-19  Jakub Jelinek  <jakub@redhat.com>

	PR target/35239
	* config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
	32-bit inline asm without asm alternatives for host GCC < 3.0.

2008-02-19  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34989
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
	Allow propagation to INDIRECT_REF if we can simplify only.

2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* c-common.c (warn_for_collisions_1): Use appropriate option when
	warning.

2008-02-19  Nick Clifton  <nickc@redhat.com>

	PR other/31349
	* opts.c (undocumented_msg): Leave blank unless checking is enabled.
	(handle_options): Fix indentation.
	(print_filtered_help): If no language-specific options were
	displayed tell the user how to list all the options supported by
	the language's front-end.
	(print_specific_help): Fix indentation and remove duplicate line.
	(common_handle_option): Handle the -v option.
	For --help enable the display of undocumented options if the -v
	switch has been included on the command line.
	For --help= check for overlaps in the arguments between the option
	classes and the language names and issue a warning when they
	cannot be disambiguated.
	* c.opt (v): Pass on to the common option handler.

2008-02-19  Revital Eres  <eres@il.ibm.com> 

	* modulo-sched.c (sms_schedule): Change dump message when
	create_ddg function fails.
	(try_scheduling_node_in_cycle): Rename row to cycle.
	(print_partial_schedule): Rename CYCLE to ROW.

2008-02-19  Christian Bruel  <christian.bruel@st.com>
	    Zdenek Dvorak  <ook@ucw.cz>

	* tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.

2008-02-19  Uros Bizjak  <ubizjak@gmail.com>

	PR target/33555
	* config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
	(*x86_movdicc_0_m1_se): Ditto.

2008-02-19  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
	(CMPtype): Define as __gcc_CMPtype.
	* config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
	(CMPtype): Define as __gcc_CMPtype.

2008-02-19  Hans-Peter Nilsson  <hp@axis.com>

	Support valgrind 3.3 for --enable-checking=valgrind.
	* system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
	here.
	[!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
	[!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
	[!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
	* ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
	Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
	VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
	VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
	respectively.
	* ggc-zone.c: Similar.
	* ggc-page.c: Similar.

2008-02-19  Paul Brook  <paul@codesourcery.com>

	PR target/35071
	* config/arm/ieee754-df.S: Fix do_it typo.
	* config/arm/ieee754-sf.S: Fix do_it typo.

2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35189
	* config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
	(OPTION_MASK_ISA_3DNOW_SET): Likewise.
	(OPTION_MASK_ISA_SSE_SET): Likewise.
	(OPTION_MASK_ISA_SSE2_SET): Likewise.
	(OPTION_MASK_ISA_SSE3_SET): Likewise.
	(OPTION_MASK_ISA_SSSE3_SET): Likewise.
	(OPTION_MASK_ISA_SSE4_1_SET): Likewise.
	(OPTION_MASK_ISA_SSE4_2_SET): Likewise.
	(OPTION_MASK_ISA_SSE4_SET): Likewise.
	(OPTION_MASK_ISA_SSE4A_SET): Likewise.
	(OPTION_MASK_ISA_SSE5_SET): Likewise.
	(OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
	(OPTION_MASK_ISA_MMX_UNSET): Updated.
	(OPTION_MASK_ISA_3DNOW_UNSET): Updated.
	(OPTION_MASK_ISA_SSE_UNSET): Likewise.
	(OPTION_MASK_ISA_SSE3_UNSET): Likewise.
	(OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
	(OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
	(OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
	(OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
	(OPTION_MASK_ISA_SSE5_UNSET): Likewise.
	(OPTION_MASK_ISA_SSE4): Removed.
	(ix86_handle_option): Turn on bits in ix86_isa_flags and
	ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
	(override_options): Don't turn on implied SSE/MMX bits in
	ix86_isa_flags.

2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386-modes.def: Use 4 byte alignment on DI for
	32bit host.

2008-02-18  Joey Ye  <joey.ye@intel.com>

	PR middle-end/34921
	* tree-nested.c (insert_field_into_struct): Set type alignment
	to field alignment if the former is less than the latter.

2008-02-18  Jakub Jelinek  <jakub@redhat.com>

	* BASE-VER: Set to 4.4.0.

2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

	* doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
	* doc/cfg.texi: Likewise.
	* doc/extend.texi: Likewise.
	* doc/gty.texi: Likewise.
	* doc/invoke.texi: Likewise.
	* doc/loop.texi: Likewise.
	* doc/md.texi: Likewise.
	* doc/passes.texi: Likewise.
	* doc/rtl.texi: Likewise.
	* doc/sourcebuild.texi: Likewise.
	* doc/tm.texi: Likewise.
	* doc/tree-ssa.texi: Likewise.

2008-02-17  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35227
	* tree-complex.c (init_parameter_lattice_values): Handle parameters
	without default definition.

2008-02-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35231
	* tree-vrp.c (register_edge_assert_for): Do not assume A == 0
	if A | B != 1.

2008-02-17  Uros Bizjak  <ubizjak@gmail.com>

	Revert:
	2008-02-15  Uros Bizjak  <ubizjak@gmail.com>	
	* config/i386/sfp-machine.h (CMPtype): Define as typedef using
	libgcc_cmp_return mode.

2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c/28368
	* doc/invoke.texi (-std): Clarify description of -std= and -ansi.

2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>

	* config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
	multilibs.

2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/c-tree.texi: Use `@.' where appropriate.
	* doc/extend.texi: Likewise.
	* doc/install.texi: Likewise.
	* doc/invoke.texi: Likewise.
	* doc/loop.texi: Likewise.
	* doc/makefile.texi: Likewise.
	* doc/md.texi: Likewise.
	* doc/passes.texi: Likewise.
	* doc/standards.texi: Likewise.
	* doc/tm.texi: Likewise.

2008-02-15  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35196
	* omp-low.c (expand_omp_for_generic): Don't initialize fd->v
	in entry_bb.
	(expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
	rather than in entry_bb.

2008-02-15  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sfp-machine.h (CMPtype): Define as typedef using
	libgcc_cmp_return mode.

2008-02-15  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35130
	* tree-nested.c (convert_call_expr): Put FRAME.* vars into
	OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.

2008-02-15  Richard Guenther  <rguenther@suse.de>
	    Zdenek Dvorak  <ook@ucw.cz>

	PR tree-optimization/35164
	* tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
	* tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
	* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
	Only propagate addresses which do not have abnormal SSA_NAMEs
	in their operands.

2008-02-15  Joseph Myers  <joseph@codesourcery.com>

	PR target/35088
	* config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.

2008-02-15  Jan Hubicka  <jh@suse.cz>

	PR middle-end/35149
	* ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.

2008-02-15  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/34621
	* function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
	when calculating alignment_pad.

2008-02-15  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
	(WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
	* config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
	and STACK_BOUNDARY define.

2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>

	PR preprocessor/35061
	* c-pragma.c (handle_pragma_pop_macro): Check that
	pushed_macro_table has been allocated.

2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/35136
	* gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
	(force_gimple_operand): Likewise.
	* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
	for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
	Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
	(find_interesting_uses_address): Check addressability and alignment
	of the base expression only after substituting bases of IVs into it.

2008-02-14  Michael Matz  <matz@suse.de>

	PR target/34930
	* function.c (instantiate_virtual_regs_in_insn): Reload address
	before falling back to reloading the whole operand.

2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (s390_mainpool_start): Emit the pool
	before the first section switch note.

2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

	* doc/bugreport.texi: Update copyright years.
	* doc/c-tree.texi: Likewise.
	* doc/cfg.texi: Likewise.
	* doc/cpp.texi: Likewise.
	* doc/cppinternals.texi: Likewise.
	* doc/fragments.texi: Likewise.
	* doc/frontends.texi: Likewise.
	* doc/gcc.texi: Likewise.
	* doc/gty.texi: Likewise.
	* doc/hostconfig.texi: Likewise.
	* doc/implement-c.texi: Likewise.
	* doc/libgcc.texi: Likewise.
	* doc/loop.texi: Likewise.
	* doc/makefile.texi: Likewise.
	* doc/options.texi: Likewise.
	* doc/passes.texi: Likewise.
	* doc/rtl.texi: Likewise.
	* doc/sourcebuild.texi: Likewise.
	* doc/standards.texi: Likewise.
	* doc/tree-ssa.texi: Likewise.
	* doc/trouble.texi: Likewise.

	* doc/extend.texi: Use @: or add comma where appropriate.
	* doc/invoke.texi: Likewise.
	* doc/tm.texi: Likewise.

2008-02-14  Alan Modra  <amodra@bigpond.net.au>

	PR target/34393
	* config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
	to a reg.

2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>

	* doc/md.texi (clz, ctz): Add reference.
	* doc/rtl.texi (clz, ctz): Likewise.

2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR other/35148
	* Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
	srcdir.

2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (struct constant_pool): New field
	emit_pool_after added.
	(s390_mainpool_start): Set the emit_pool_after flag according
	to the section switch notes.
	(s390_mainpool_finish): Consider emit_pool_after when emitting
	the literal pool at the end of the function.
	(s390_chunkify_start): Force literal pool splits at section
	switch notes.

2008-02-13  Michael Matz  <matz@suse.de>

	PR debug/35065
	* var-tracking.c (clobber_variable_part): Correctly traverse the
	list.

2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 29673
	* doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
	Add -fdump-ipa-inline.
	* tree-dump.c (dump_files): Remove tree-inlined dump.
	* tree-pass.h (tree_dump_index): Remove TDI_inlined.
	
2008-02-12  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35171
	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
	default defs.

2008-02-12  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35163
	* fold-const.c (fold_widened_comparison): Use get_unwidened in
	value-preserving mode.  Disallow final truncation.

2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/35136
	* gimplify.c (force_gimple_operand_bsi): Move SSA renaming
	code from here to...
	(force_gimple_operand): ...here.

2008-02-12  Jakub Jelinek  <jakub@redhat.com>

	PR c++/35144
	* tree-sra.c (sra_build_assignment): fold_convert SRC if copying
	non-compatible pointers.
	(generate_element_copy): If SRC and DST are RECORD_TYPEs with
	different FIELD_DECLs, try harder by comparing field offsets, sizes
	and types.

	PR inline-asm/35160
	* function.c (match_asm_constraints_1): Don't replace the same input
	multiple times.

2008-02-12  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
	* config/avr/avr.c (expand_prologue): Save RAMPZ register.
	(expand_epilogue): Restore RAMPZ register.
	* config/avr/avr.md (RAMPZ_ADDR): New constant.

2008-02-11  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/cygwin.asm: (__alloca): Correct calling
	convention and alignment.
	(__chkstk): Force 8 byte stack alignment.

2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/33992
	* tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
	the zero we compare against.

2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>

	PR libfortran/35063
	* gthr-win32.h (__gthread_mutex_destroy_function): New function
	to CloseHandle after unlocking to prevent accumulation of handle
	count.

2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR middle_end/34150
	* pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
	pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
	and update LABEL_NUSES during and after reload.

2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>

	PR middle-end/34627
	* combine.c (simplify_if_then_else): Make sure the comparison is
	against const0_rtx when simplifying to (abs x) or (neg (abs X)).

2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR bootstrap/35051
	* double-int.h: Don't include gmp.h for GENERATOR_FILEs.
	(mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
	* real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
	(real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
	* tree.h (get_type_static_bounds): Likewise.

2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/invoke.texi (Option Summary, C++ Dialect Options)
	(Objective-C and Objective-C++ Dialect Options, Warning Options):
	Make -Wfoo language annotations match what the compiler outputs.

2008-02-08  Sa Liu  <saliu@de.ibm.com>

	* config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
	intrinsics spu_convts, spu_convtu, spu_convtf.
	* testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.

2008-02-08  Hans-Peter Nilsson  <hp@axis.com>

	* doc/extend.texi (Function Attributes) <noinline>: Mention
	asm ("") as method to keep calls.

2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR other/32754
	* doc/options.texi (Options): Replace references to opts.sh with
	optc-gen.awk.
	* opts-common.c: Likewise.
	* optc-gen.awk: Likewise.
	
2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.

2008-02-07  Richard Henderson  <rth@redhat.com>

	PR rtl-opt/33410
	* config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
	EXPR_LIST for the REG_EQUAL instead of a comparison with a 
	funny mode.

2008-02-07  Uros Bizjak  <ubizjak@gmail.com>

	PR tree-optimization/35085
	* tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
	for operand entry oe2 in addition to operand entry oe3 in order to
	expose more opportunities for vectorizer sum reduction.

2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	PR other/35107
	* Makefile.in (LIBS): Remove $(GMPLIBS).
	(cc1-dummy, cc1): Add $(GMPLIBS).

2008-02-06  Jan Hubicka  <jh@suse.cz>

	PR target/23322
	* i386.md (moddf_integer): Do not produce partial memory stalls for
	targets where it hurts.

2008-02-06  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35083
	* optabs.c (expand_float): Do not check for decimal modes when
	expanding unsigned integer through signed conversion.

2008-02-06  Nick Clifton  <nickc@redhat.com>

	* config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
	inside the clobber with a match_operand and duplicated operand
	number in the constraint.
	(ineqbranchsi): Delete redundant comment.

2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>

	* config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
	builtin_define ("__USE_INIT_FINI__").
	* config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
	-msx multilibs.
	* gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.

2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR documentation/30330
	* doc/invoke.texi (C++ Dialect Options)
	(Objective-C and Objective-C++ Dialect Options, Warning Options):
	For each warning option -Wfoo that allows -Wno-foo, ensure both
	-Wfoo and -Wno-foo are listed in the option index.  Fix index
	entry of -Wswitch-default, index -Wnormalized= including the
	`=', and -Wlarger-than-@var{len} including @var{len}.

2008-02-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (floatunssisf2): Use
	ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
	(floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
	Macroize expander using MODEF mode iterator.

2008-02-05  Diego Novillo  <dnovillo@google.com>

	http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html

	PR 33738
	* tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.

2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	PR other/35070
	* toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.

2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35084
	* config/i386/i386.c (ix86_function_sseregparm): Add an arg
	to indicate if a message should be generated.
	(init_cumulative_args): Updated.
	(function_value_32): Likewise.

2008-02-05  Joseph Myers  <joseph@codesourcery.com>

	* doc/include/texinfo.tex: Update to version 2008-02-04.16.

2008-02-05  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35083
	* config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
	Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.

2008-02-04  Diego Novillo  <dnovillo@google.com>

	http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html

	PR 33738
	* tree-vrp.c (vrp_evaluate_conditional): With
	-Wtype-limits, emit a warning when comparing against a
	constant outside the natural range of OP0's type.

2008-02-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/33631
	* expr.c (count_type_elements): Give for unions instead of
	guessing.

2008-02-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35043
	* gimplify.c (gimplify_init_ctor_eval): Convert array indices
	to TYPE_DOMAINs base type instead of using bitsizetype here.

2008-02-03  Jason Merrill  <jason@redhat.com>

	* print-tree.c (print_node) [CONSTRUCTOR]: Print elements.

2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR other/29972
	* doc/invoke.texi (C++ Dialect Options, Optimize Options)
	(HPPA Options, i386 and x86-64 Options, IA-64 Options)
	(RS/6000 and PowerPC Options): Fix typos and markup.
	* doc/passes.texi (Tree-SSA passes): Likewise.

2008-02-02  Michael Matz  <matz@suse.de>

	PR target/35045
	* postreload-gcse.c (record_last_reg_set_info_regno): Renamed
	from record_last_reg_set_info.
	(record_last_reg_set_info): Take an RTX argument, iterate over all
	constituent hardregs.
	(record_last_set_info, record_opr_changes): Change calls to
	new signature or to record_last_reg_set_info_regno.

2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/extend.texi (X86 Built-in Functions): Fix grammar.

2008-02-01  Hans-Peter Nilsson  <hp@axis.com>

	PR rtl-optimization/34773
	* reg-notes.def (EQUAL): Mention significance of combination of
	REG_EQUAL and REG_RETVAL.
	* fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
	insn that has a REG_RETVAL.

2008-02-01  Roger Sayle  <roger@eyesopen.com>

	PR bootstrap/33781
	* configure.ac (--enable-fixed-point): Disable unless explicitly
	requested on IRIX.
	* configure: Regenerate.

2008-02-01  Richard Guenther  <rguenther@suse.de>

	PR other/35042
	* invoke.texi (-finline-limit): Remove no longer true parts
	of the documentation.  Note that there is no default value.

2008-02-01  Andrew Pinski  <pinskia@gmail.com>
	    Mark Mitchell  <mark@codesourcery.com>
	    Ben Elliston  <bje@au.ibm.com>

	PR c/29326
	* doc/extend.texi (Other Builtins): Document.

2008-01-31  Tom Browder <tom.browder@gmail.com>

	* doc/c-tree.texi (Types): Fix grammar.
	(Expression trees): Ditto.
	* doc/passes.texi (Tree-SSA passes): Ditto.
	
	* doc/configterms.texi (Configure Terms): Fix typo.
	* doc/cpp.texi (Common Predefined Macros): Ditto.
	* doc/md.texi (Machine Constraints): Ditto.
	
	* doc/makefile.texi (Makefile): Add comma.

2008-01-31  Tom Browder  <tom.browder@gmail.com>
	    Gerald Pfeifer  <gerald@pfeifer.com>
	
	* doc/sourcebuild.texi (Front End): Remove references to CVS
	and CVSROOT/modules.
	(Texinfo Manuals): Replace reference to CVS by one to SVN.
	(Back End): Remove reference to CVS.

2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR target/34900
	* config/mips/mips.c (gen_load_const_gp): New function, taking a
	comment from...
	(mips16_gp_pseudo_reg): ...here.
	* config/mips/mips.md (load_const_gp): Replace with...
	(load_const_gp_<mode>): ...this :P-based insn.

2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
	options. Minor fixes.
	(-std): Move reference to standards closer to where language
	standards are first mentioned.
	
2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR rtl-optimization/34995
	* reload.c (alternative_allows_const_pool_ref): Take an rtx
	parameter and return a bool.  If the rtx parameter is nonnull,
	check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
	(find_reloads): Update call accordingly.  Pass the new operand
	if it needed no address reloads, otherwise pass null.

2008-01-30  Richard Henderson  <rth@redhat.com>

	PR c/34993
	* tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
	for unbounded arrays.

2008-01-30  Silvius Rus  <rus@google.com>

	* config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.

2008-01-30  Jan Hubicka  <jh@suse.cz>

	PR target/34982
	* i386.c (init_cumulative_args): Use real function declaration when
	calling locally.

2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR rtl-optimization/34998
	* global.c (build_insn_chain): Treat non-subreg_lowpart
	SUBREGs of pseudos as clobbering all the words covered by the
	SUBREG, not just all the bytes.
	* ra-conflict.c (clear_reg_in_live): Likewise.  Take the
	original df_ref rather than an extract parameter.
	(global_conflicts): Update call accordingly.

2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
	the overflow check to make it easier to read.
	(__fixtfdi): Change the type of the ll member in union
	long_double to UDItype_x.

2008-01-30  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/34969
	* cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
	* cgraph.c (cgraph_update_edges_for_call_stmt): New function.
	* tree-inline.c (fold_marked_statements): Call
	cgraph_update_edges_for_call_stmt if folding a call statement.
	* cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
	debug_generic_stmt calls, reset it back afterwards.

	PR c/35017
	* c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
	static decls.
	* c-typeck.c (build_external_ref): Don't pedwarn about
	static vars in current function's scope.

2008-01-29  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.

2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>

	PR c/35002
	* ipa-struct-reorg.c: Fix spelling.
	* params.def: Ditto.

2008-01-29  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35006
	* tree-inline.h (struct copy_body_data): Add remapping_type_depth
	field.
	* tree-inline.c (remap_type): Increment remapping_type_depth
	around remapping types.
	(copy_body_r): Only add referenced variables if they are referenced
	from code, not types.

2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>

	PR c++/34055
	PR c++/34103
	PR c++/34219
	PR c++/34606
	PR c++/34753
	PR c++/34754
	PR c++/34755
	PR c++/34919
	PR c++/34961
	* c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
	qualifiers for an ERROR_MARK_NODE or a NULL_TREE.

2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>

	PR target/34412
	* config/avr/avr.c (expand_prologue): Use correct QI mode frame 
	pointer for tiny stack.

2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>

	* doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.

2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>

	* config/vx-common.h: Fix typo in comment.

2008-01-28  Ian Lance Taylor  <iant@google.com>

	PR c++/34862
	PR c++/33407
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
	coalesce pointers if they have different DECL_NO_TBAA_P values.
	* tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
	between variables with different DECL_NO_TBAA_P values.

2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>

	PR 31535
	* config/rs6000/rs6000.c (small_data_operand): Vectors and floats
	are not legitimate small data references on SPE targets.

2008-01-28  David Daney  <ddaney@avtrex.com>

	* doc/install.texi (mips-*-*): Recommend binutils 2.18.

2008-01-28  David Daney  <ddaney@avtrex.com>

	* doc/install.texi (--disable-libgcj-bc):  Reword documentation.

2008-01-27  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
	m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
	*-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
	*-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
	hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
	i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
	i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
	vax-*-bsd*, vax-*-ultrix*): Mark obsolete.

2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>

	* basic-block.h (condjump_equiv_p): Fix comment.

2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>

	* tree-pretty-print.c (print_generic_decl, print_generic_stmt,
	print_generic_stmt_indented): Fix comment.

2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>

	* configure.ac (__stack_chk_fail): Add detecion for availability
	of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
	* configure: Regenerate.

2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>

	PR middle-end/34688
	* final.c (output_addr_const): Handle TRUNCATE.

2008-01-26  Zdenek Dvorak  <ook@ucw.cz>

	PR target/34711
	* tree-ssa-loop-ivopts.c (comp_cost): New type.
	(zero_cost, infinite_cost): New constants.
	(struct cost_pair): Change type of cost to comp_cost.
	(struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
	(new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
	New functions.
	(set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
	split_address_cost, ptr_difference_cost, difference_cost,
	get_computation_cost_at, get_computation_cost,
	determine_use_iv_cost_generic, determine_use_iv_cost_address,
	determine_use_iv_cost_condition, determine_use_iv_costs,
	cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
	iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
	iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
	Change type of cost to comp_cost.
	(determine_iv_cost): Increase cost of non-original ivs, instead
	of decreasing the cost of original ones.
	(get_address_cost): Indicate the complexity of the addressing mode 
	in comp_cost.
	(try_add_cand_for): Prefer using ivs not specific to some object.
	* tree-flow.h (force_expr_to_var_cost): Declaration removed.

2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
	    Janis Johnson  <janis187@us.ibm.com>

	PR target/34814
	* doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
	(TARGET_INSTANTIATE_DECLS): Likewise.
	* target.h (expand_to_rtl_hook): New target hook.
	(instantiate_decls): Likewise.
	* function.c (instantiate_decl): Make non-static.  Rename to...
	(instantiate_decl_rtl): ... this.
	(instantiate_expr): Use instantiate_decl_rtl.
	(instantiate_decls_1): Likewise.
	(instantiate_decls): Likewise.
	(instantiate_virtual_regs: Call new instantiate_decls taget hook.
	* function.h (instantiate_decl_rtl): Add prototype.
	* cfgexpand.c (target.h): New include.
	(tree_expand_cfg): Call new expand_to_rtl_hook target hook.
	* target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
	(TARGET_INSTANTIATE_DECLS): Likewise.
	(TARGET_INITIALIZER): New target hooks added.
	* config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
	New prototype.
	* config/rs6000/rs6000.c (tree-flow.h): New include.
	(machine_function): Add sdmode_stack_slot field.
	(rs6000_alloc_sdmode_stack_slot): New function.
	(rs6000_instantiate_decls): Likewise.
	(rs6000_secondary_memory_needed_rtx): Likewise.
	(rs6000_check_sdmode): Likewise.
	(TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
	(TARGET_INSTANTIATE_DECLS): Likewise.
	(rs6000_hard_regno_mode_ok): Allow SDmode.
	(num_insns_constant): Likewise.  Handle _Decimal32 constants.
	(rs6000_emit_move): Handle SDmode.
	(function_arg_advance): Likewise.
	(function_arg): Likewise.
	(rs6000_gimplify_va_arg): Likewise.  Add special handling of
	SDmode var args for 32-bit compiles.
	(rs6000_secondary_reload_class): Handle SDmode.
	(rs6000_output_function_epilogue): Likewise.
	(rs6000_function_value): Simplify if statement.
	(rs6000_libcall_value): Likewise.
	* config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
	(SECONDARY_MEMORY_NEEDED_RTX): Add define.
	* config/rs6000/dfp.md (movsd): New define_expand and splitter.
	(movsd_hardfloat): New define_insn.
	(movsd_softfloat): Likewise.
	(movsd_store): Likewise.
	(movsd_load): Likewise.
	(extendsddd2): Likewise.
	(extendsdtd2): Likewise.
	(truncddsd2): Likewise.
	(movdd_hardfloat64): Fixup comment.
	(UNSPEC_MOVSD_LOAD): New constant.
	(UNSPEC_MOVSD_STORE): Likewise.

2008-01-26  Jakub Jelinek  <jakub@redhat.com>

	PR c++/34965
	* c-pretty-print.c (pp_c_exclusive_or_expression): Handle
	TRUTH_XOR_EXPR.
	(pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
	(pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
	(pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
	and TRUTH_XOR_EXPR.

2008-01-26  David Edelsohn  <edelsohn@gnu.org>

	PR target/34794
	* config.gcc: Separate AIX 5.3 from AIX 6.1.
	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
	__LONGDOUBLE128 too.
	* config/rs6000/aix61.h: New file.

2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR rtl-optimization/34959
	* optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
	popcount and parity rtxes the same mode as their operand.
	Truncate or extend the result to the return value's mode
	if necessary.

2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR target/34981
	* config/mips/mips-protos.h (mips_expand_call): Return an rtx.
	* config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
	to GOT_VERSION_REGNUM.
	(CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
	(EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
	* config/mips/mips.c (mips_emit_call_insn): New function.
	(mips_call_tls_get_addr): Call mips_expand_call directly.
	(mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
	emit_call_insn.
	(mips16_build_call_stub): Likewise.  Return the call insn or null.
	(mips_expand_call): Update the call to mips16_build_call_stub
	accordingly and a remove redundant condition.  Assert that MIPS16
	stubs do not use lazy binding.  Use mips_emit_call_insn and return
	the call insn.
	(mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
	TARGET_USE_GOT.
	(mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
	(mips_avoid_hazard): Remove hazard_set handling.
	* config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
	(UNSPEC_RESTORE_GP): ...this.
	(UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
	(FAKE_CALL_REGNO): Rename to...
	(GOT_VERSION_REGNUM): ...this.
	(type): Add "ghost" value.  Add an associated insn reservation.
	(hazard_set): Remove.
	(exception_receiver): Rename to...
	(restore_gp): ...this and update the unspec identifier accordingly.
	(exception_receiver, nonlocal_got_receiver): New expanders.
	(load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
	FAKE_CALL_REGNO.  Remove hazard_set attribute.
	(set_got_version, update_got_version): New patterns.

2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>

	PR target/34970
	* config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.

2008-01-25  Joseph Myers  <joseph@codesourcery.com>

	PR other/31955
	* doc/install.texi2html: Generate gcc-vers.texi.

2008-01-25  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.

2008-01-25  Joseph Myers  <joseph@codesourcery.com>

	* config/c4x: Remove directory.
	* config.gcc (crx-*, mt-*): Mark obsolete.
	(c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
	h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
	sh-*-rtemscoff*): Remove cases.
	* defaults.h (C4X_FLOAT_FORMAT): Remove.
	* real.c (encode_c4x_single, decode_c4x_single,
	encode_c4x_extended, decode_c4x_extended, c4x_single_format,
	c4x_extended_format): Remove.
	* real.h (c4x_single_format, c4x_extended_format): Remove.
	* doc/extend.texi (interrupt, naked): Remove mention of attributes
	on C4x.
	(Pragmas): Remove comment about c4x pragmas.
	* doc/install.texi (c4x): Remove target-specific instructions.
	* doc/invoke.texi (TMS320C3x/C4x Options): Remove.
	* doc/md.texi (Machine Constraints): Remove C4x documentation.
	* doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
	refer to C4x source files as examples.
	(C4X_FLOAT_FORMAT): Remove documentation.

2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.c (override_options): Reorder tests so that
	flag_pic gets enabled for -msep-data.

2008-01-25  Richard Guenther  <rguenther@suse.de>

	PR middle-end/32244
	* expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
	to its bitfield precision if required.

2008-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/33880
	* tree-nested.c (walk_omp_for): New function.
	(convert_nonlocal_reference, convert_local_reference): Call
	walk_omp_for on OMP_FOR.
	(convert_call_expr): Call walk_body on OMP_FOR's
	OMP_FOR_PRE_INIT_BODY.

2008-01-25  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34966
	* tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
	default defs and PHI_NODEs we have to insert after the
	defining statement.

2008-01-24  Nick Clifton  <nickc@redhat.com>

	* config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
	Provide a default definition.
	(LIBGCC2_UNITS_PER_WORD): Likewise.

	* config/stormy16/stormy16.c: Include df.h for the prototype
	for df_regs_ever_live_p.
	(xstormy16_expand_builtin_va_start): Convert the stack offset
	into a component_ref and then use POINTER_PLUS_EXPR to add it
	to the incoming_virtual_args_rtx.
	(xstormy16_gimplify_va_arg_expr): Rename to
	xstormy16_gimplify_va_arg_expr.
	Use POINTER_PLUS_EXPR when performing pointer arithmetic.
	(TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
	xstormy16_gimplify_va_arg_expr.
	Fix up some formatting issues.

	* config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
	Move to predicates.md.
	(xs_hi_general_operand): Likewise.
	(xs_hi_nonmemory_operand): Likewise.
	* config/stormy16/predicates.md:
	(xstormy16_carry_plus_operand): New predicate.
	(xs_hi_general_operand): New predicate.
	(xs_hi_nonmemory_operand): New predicate.
	* config/stormy16/stormy16-protos.h:
	(xstormy16_carry_plus_operand): Delete prototype.
	(xs_hi_general_operand): Likewise.
	(xs_hi_nonmemory_operand): Likewise.

	* config/storm16/stormy16.md (addhi3): Remove earlyclobber
	modifiers as they are no longer needed and they can trigger
	reload spill failures.

	* config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
	with a match_operand in order to help reload.

	* config/storm16/stormy16.md (movhi_internal): Replace 'r'
	constraint with 'e' for the 8th alternative as this version of
	the mov.w instruction only accepts the lower 8 registers.

2008-01-25  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34856
	* simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
	Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
	vector elements.

2008-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/33333
	* gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.

2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>

	* ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
	New functions.
	(remove_structure): Update allocations list before removing structure.
	
2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>

	* ipa-struct-reorg.c (is_safe_cond_expr, 
	create_new_stmts_for_cond_expr): Use integer_zerop function,
	that recognize not only zero-pointer, but zero-integer too.

2008-01-25  Ben Elliston  <bje@au.ibm.com>

	PR other/22232
	* fixproto: Escape "." in sed expression that strips leading "./".

2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/34904
	* gcc.c (SWITCH_OK): Removed.
	(SWITCH_LIVE): Changed to bit.
	(SWITCH_FALSE): Likewise.
	(SWITCH_IGNORE): Likewise.
	(switchstr): Change live_cond to unsigned int.
	(process_command): Replace SWITCH_OK with 0.
	(do_self_spec): Likewise.
	(set_collect_gcc_options): Check the SWITCH_IGNORE bit.
	(give_switch): Likewise.
	(used_arg): Likewise.
	(do_spec_1): Set the SWITCH_IGNORE bit.
	(check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
	bits.  Set the SWITCH_LIVE bit.

2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.h (MOVE_RATIO): Define new target macro.

2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR tree-optimization/34472
	* ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
	parameter to a "bool *" and set *DATA to false if there is
	an unsafe access.  Do not delete the structure here.
	(check_cond_exprs): Delete it here instead.
	(check_cond_exprs, exclude_cold_structs): Do not increase
	I when removing a structure.

2008-01-24  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34856
	* config/i386/i386.c (ix86_expand_vector_init): Consider only
	CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.

2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/34934
	* tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
	a fixed vector for stack.

2008-01-24  Ben Elliston  <bje@au.ibm.com>

	PR c++/25701
	* doc/gcc.texi (Software development): Add a direntry for g++.
	
2008-01-23  Hans-Peter Nilsson  <hp@axis.com>

	* config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
	stale and straggling -fforce-addr comments above.

	* config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
	define.
	* config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
	* config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.

2008-01-23  Michael Matz  <matz@suse.de>

	PR debug/34895
	* dwarf2out.c (force_type_die): Use modified_type_die instead of
	gen_type_die.

2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>

	* ipa-struct-reorg.c (create_new_malloc): Use pointer type as
	malloc result type.

2008-01-23 Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.c (avr_current_arch): New variable.
	(avr_arch_types): Add 'avr31' and 'avr51' entries.
	(avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
	(avr_mcu_types): Add 'avr31' and 'avr51' architectures.
	(avr_override_options): Init 'avr_current_arch'. 
	(base_arch_s): Move from here...
	* config/avr/avr.h (base_arch_s): ... here. Add new members 
	'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
	'mega' to 'have_jmp_call'.
	(TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
	"__AVR_HAVE_RAMPZ__", 	"__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
	macros.
	(LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
	architectures.
	* config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
	MULTILIB_MATCHES): (Ditto.).

2008-01-23  Richard Guenther  <rguenther@suse.de>

	PR middle-end/31529
	* cgraphunit.c (cgraph_reset_node): Always mark the node
	not reachable if it is not queued already.

2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
	* config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
	(cputype_selected): New static variable.
	(bfin_handle_option): Set it if -mcpu is used.
	(override_option): Select default set of workarounds if no cpu type
	selected on the command line.
	(workaround_rts_anomaly): Only run if ENABLE_WA_RETS.

	From  Michael Frysinger  <michael.frysinger@analog.com>
	* config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
	BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.

	* config/bfin/elf.h (LIB_SPEC): Use proper linker script
	for bf547, bf523, bf524, and bf526.
	* config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
	bf526.
	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
	__ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
	__ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
	__ADSPBF547__ and __ADSPBF54x__ for bf547.
	* doc/invoke.texi (Blackfin Options): Document that
	-mcpu now accept bf547, bf523, bf524, and bf526.

2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/34628
	* combine.c (try_combine): Stop and undo after the first combination
	if an autoincrement side-effect on the first insn has effectively
	been lost.

2008-01-22  David Edelsohn  <edelsohn@gnu.org>

	PR target/34529
	* config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
	Offset addresses are not valid for Altivec or paired float modes.

2008-01-22  Jakub Jelinek  <jakub@redhat.com>

	PR c++/34607
	* c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
	if DECL_INITIAL (decl) is error_mark_node.

	PR c++/34914
	* c-common.c (handle_vector_size_attribute): Only allow
	integral, scalar float and fixed point types.  Handle OFFSET_TYPE
	the same way as pointer, array etc. types.
	* tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.

	PR c++/34917
	* tree.c (build_type_attribute_qual_variant): Call
	build_qualified_type if attributes are equal, but quals are not.

2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 32102
	* doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
	* flags.h (warn_strict_aliasing): Remove.
	(warn_strict_overflow): Remove.
	* opts.c (warn_strict_aliasing): Remove.
	(warn_strict_overflow): Remove.
	* c-opts.c (c_common_handle_option): -Wall only sets
	-Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
	(c_common_post_options): Give default values to -Wstrict-aliasing
	and -Wstrict-overflow if they are uninitialized.
	* common.opt (Wstrict-aliasing): Specify Var and Init.
	(Wstrict-overflow): Likewise.

2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>

	PR rtl-optimization/26854
	PR rtl-optimization/34400
	PR rtl-optimization/34884
	* ddg.c (create_ddg_dep_from_intra_loop_link): Use
	DF_RD->gen.
	* df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
	(df_rd_bb_info.expanded_lr_out): Deleted
	* loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
	* loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
	(df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
	df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
	Removed code to allocate, initialize or free expanded_lr_out.
	(df_rd_bb_local_compute_process_def): Restructured to make more
	understandable.
	(df_rd_confluence_n): Removed code to no apply invalidate_by_call
	sets if the sets are being trimmed.

2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/32287
	* configure.ac (ld_vers): Support GNU linker version xx.xx.*
	(as_vers): Likewise.
	* configure: Regenerated.

2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR middle-end/33092
	* tree-pass.h (pass_build_alias): New pass.
	* tree-ssa-alias.c (gate_build_alias): New.
	(pass_build_alias): New.
	* passes.c (init_optimization_passes): Add pass_build_alias after
	pass_create_structure_vars.

2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>

	* config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
	Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
	(S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
	S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
	(S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
	S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
	(S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
	S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
	(S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
	(S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
	(S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
	(S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
	* config/s390/s390.md (FP_ALL): New mode iterator.
	(_d): New mode attribute.
	("*signbit<mode>2>"): Changed mode of first operand.
	("isinf<mode>2"): Changed mode of first operand.
	("*TDC_insn"): Adaptation for DFP modes.

2008-01-22  Ben Elliston  <bje@au.ibm.com>

	* tree.c (check_qualified_type): Improve function description.

2008-01-21  Jason Merrill  <jason@redhat.com>

	PR c++/34196
	* tree.h (TRY_CATCH_IS_CLEANUP): New macro.
	* tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
	if it is set.

2008-01-21  DJ Delorie  <dj@redhat.com>

	* doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
	return zero.

2008-01-21  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34856
	* tree-cfg.c (verify_expr): Allow all invariant expressions
	instead of just constant class ones as reference argument.
	* tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
	like any other constant.
	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.

2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>

	* regmove.c (fixup_match_1): Update call crossed frequencies.

2008-01-21  Richard Guenther  <rguenther@suse.de>

	PR c/34885
	* tree-inline.c (setup_one_parameter): Deal with mismatched
	types using a VIEW_CONVERT_EXPR.

2008-01-21  Alon Dayan  <alond@il.ibm.com>
	    Olga Golovanevsky  <olga@il.ibm.com>
	
	PR tree-optimization/34701
	* ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
	when the structure size is not a power of 2.

2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>

	* doc/install.texi: Add doc for --enable-checking=df.
	
2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR rtl-optimization/34808
	* emit-rtl.c (try_split): Handle REG_RETVAL notes.

2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>

	* global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
	input.

2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>

	PR rtl-optimization/26854
	PR rtl-optimization/34400
	* ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
	DF_RD->gen.
	* df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
	(df_rd_bb_info.expanded_lr_out): New.
	* loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
	* loop_iv.c (iv_analysis_loop_init): Ditto.
	* df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
	df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
	Added code to allocate, initialize or free expanded_lr_out.
	(df_rd_bb_local_compute_process_def): Restructured to make
	more understandable.
	(df_rd_confluence_n): Add code to do nothing with fake edges and
	code to no apply invalidate_by_call sets if the sets are being trimmed.
	(df_lr_local_finalize): Renamed to df_lr_finalize.
	(df_live_local_finalize): Renamed to df_live_finalize.

2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR target/34831
	* config/mips/mips.md (div<mode>3): Use <recip_condition> when
	deciding whether to use reciprocal instructions.

2008-01-19  Uros Bizjak  <ubizjak@gmail.com>

	* dwarf2out.c (dwarf2out_switch_text_section): Do not call
	dwarf2out_note_section_used if cold_text_section is NULL.

2008-01-19  Jakub Jelinek  <jakub@redhat.com>

	PR gcov-profile/34610
	* tree-cfg.c (make_edges): Mark both outgoing edges from
	OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
	* omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
	from OMP_FOR and OMP_CONTINUE outgoing edges.

	* tree-profile.c (tree_profiling): Return early if
	cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
	at the end.
	* omp-low.c (expand_omp_parallel): Copy after_tree_profile
	from cfun to child_cfun.
	* function.h (struct function): Add after_tree_profile bit.

2008-01-19 Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.S (_exit): Disable interrupt.

2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
	    Steven Bosscher  <stevenb.gcc@gmail.com>

	PR rtl-optimization/26854
	PR rtl-optimization/34400
	* df-problems.c (df_live_scratch): New scratch bitmap.
	(df_live_alloc): Allocate df_live_scratch when doing df_live.
	(df_live_reset): Clear the proper bitmaps.
	(df_live_bb_local_compute): Only process the artificial defs once
	since the order is not important.
	(df_live_init): Init the df_live sets only with the variables
	found live by df_lr.
	(df_live_transfer_function): Use the df_lr sets to prune the
	df_live sets as they are being computed.  
	(df_live_free): Free df_live_scratch.

2008-01-18  Ian Lance Taylor  <iant@google.com>

	* common.opt: Add fmerge-debug-strings.
	* dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
	flag_merge_debug_strings rather than flag_merge_constants.
	* doc/invoke.texi (Option Summary): Mention
	-fmerge-debug-strings.
	(Debugging Options): Document -fmerge-debug-strings.

2008-01-18  Ian Lance Taylor  <iant@google.com>

	PR c++/33407
	* tree.h (DECL_IS_OPERATOR_NEW): Define.
	(struct tree_function_decl): Add new field operator_new_flag.
	* tree-inline.c (expand_call_inline): When inlining a call to
	operator new, force the return value to go into a variable, and
	set DECL_NO_TBAA_P on that variable.
	* c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.

2008-01-18  Uros Bizjak  <ubizjak@gmail.com>

	PR debug/34484
	* dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
	DWARF2_DEBUGGING_INFO.
	(dwarf2out_note_section_used): Ditto.  Add prototype.
	(have_multiple_function_sections, text_section_used,
	cold_text_section_used, *cold_text_sections): Move declarations
	before their uses.

2008-01-17  Bob Wilson  <bob.wilson@acm.org>

	* config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
	field and add signal_ra.
	* config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
	assignments to frame state pc.  Move end of stack check after
	MD_FALLBACK_FRAME_STATE_FOR.
	(uw_update_context_1): Use frame state signal_regs if set, instead
	of checking signal_frame flag.
	(uw_update_context): Use frame state signal_ra if set.
	* config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
	* config/xtensa/linux-unwind.h: New file.

2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>

	* modulo-sched.c (get_sched_window): Fix comment typo.

2008-01-17  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/34648
	* tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.

2008-01-17  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
	* config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.

2008-01-17  Seongbae Park  <seongbae.park@gmail.com>

	PR rtl-optimization/34400
	* df-core.c (df_worklist_dataflow_overeager,
	df_worklist_dataflow_doublequeue): New functions.
	(df_worklist_dataflow): Two different worklist solvers.
	* params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
	New param.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

	PR testsuite/34821
	* doc/invoke.texi: Document the dependence on pthread for fopenmp
	and ftree-parallelize-loops.

2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>

	PR rtl-optimization/34826
	* loop-doloop (doloop_modify): Update the REG_BR_PROB note.

2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>

	* global.c (find_reg): Mark the eh regs as used if necessary.
	* ra-conflict.c (global_conflicts): Set no_eh_reg flag.
	* ra.h (struct allocno): no_eh_reg field added.  Changed
	no_stack_reg type to bitfield.

2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.c (substitute_in_expr): Add missing 'break'.

2008-01-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34825
	* tree-ssa-math-opts.c (is_division_by): Do not recognize
	x / x as division to handle.

2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
	"-pthread" is specified.
	* pa-hpux11.h (LIB_SPEC): Likewise.

2008-01-16  Janis Johnson  <janis187@us.ibm.com>
	    Peter Bergner  <bergner@vnet.ibm.com>

	PR rtl-optimization/33796
	* sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.

2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR libgfortran/34699
	* pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
	static links.
	* pa-hpux10.h (LINK_SPEC): Likewise.
	* pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.

2008-01-16  Richard Guenther  <rguenther@suse.de>

	PR middle-end/32628
	* fold-const.c (fold_convert_const_int_from_int): Do not
	set overflow if that occured only because of a sign extension
	change when converting from/to a sizetype with the same
	precision and signedness.

2008-01-16  Uros Bizjak  <ubizjak@gmail.com>

	PR debug/34249
	* dwarf2out.c (output_call_frame_info): Move output of FDE initial
	location address to the correct place.  Update copyright year.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

	* lambda-code.c (lambda_transform_legal_p): Handle the case of
	no dependences in the dependence_relations vector.

2008-01-16  Jan Hubicka  <jh@suse.cz>

	PR rtl-optimization/31396
	* regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
	* cfg.c (dump_reg_info): Print it.
	* regs.h (struct reg_info_t): add freq_calls_crossed.
	(REG_FREQ_CALLS_CROSSED): New macro.
	* global.c (global_alloc): Compute freq_calls_crossed for allocno.
	(find_reg): Update call of CALLER_SAVE_PROFITABLE.
	* regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
	regmove_optimize): Update call crossed frequencies.
	* local-alloc.c (struct qty): Add freq_calls_crossed.
	(alloc_qty): Copute freq_calls_crossed.
	(update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
	(find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
	* ra.h (struct allocno): Add freq_calls_crossed.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

	* gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
	libgomp when compiling with ftree-parallelize-loops.
	(GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.

2008-01-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34769
	* tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
	* tree.c (int_cst_value): Instead make this function more
	permissive in what it accepts as valid input.  Document this
	function always sign-extends the value.

2008-01-16  Jakub Jelinek  <jakub@redhat.com>
	    Richard Guenther  <rguenther@suse.de>

	PR c/34668
	* gimplify.c (fold_indirect_ref_rhs): Rename to ...
	(gimple_fold_indirect_ref_rhs): ... this.
	(gimple_fold_indirect_ref): New function with foldings
	that preserve lvalueness.
	(gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
	* tree-flow.h (gimple_fold_indirect_ref): Declare.
	* tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
	to fold an INDIRECT_REF, fall back to the old use of
	fold_indirect_ref_1.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-data-ref.c (subscript_dependence_tester_1): Call 
	free_conflict_function.
	(compute_self_dependence): Same.

2008-01-16  Uros Bizjak  <ubizjak@gmail.com>

	PR debug/34249
	* debug.h (dwarf2out_switch_text_section): Move declaration from ...
	* dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
	function global.
	* final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
	Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
	for DWARF2_UNWIND_INFO targets.

2008-01-16  Richard Guenther  <rguenther@suse.de>

	PR c/34768
	* c-typeck.c (common_pointer_type): Do not merge inconsistent
	type qualifiers for function types.

2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	* tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
	loop_iterator li from previous commit.

2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-parloops.c (gen_parallel_loop): Free loop bound estimations.

2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
	(parallelize_loops): Don't parallelize irreducible components.

2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c++/24924
	* c-opts (c_common_post_options): Do not enable CPP
	flag_pedantic_errors by default.
	
2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/31944
	* cse.c (remove_pseudo_from_table): New function.
	(merge_equiv_classes): Use above function to remove pseudo-registers.
	(invalidate): Likewise.

2008-01-13  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34601
	* emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
	instead of TYPE_MODE to deal with calls from expand_one_error_var.

2008-01-13  Uros Bizjak  <ubizjak@gmail.com>

	* gcse.c (cprop_jump): Call validate_unshare_change instead of
	validate_change to unshare the source of the PC set.

2008-01-12  Jan Hubicka  <jh@suse.cz>

	PR middle-end/32135
	* tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
	references above array bounds.  This might trigger bounds checks for
	pointers to arrays.

2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
	new_replaceable_dependencies.

2008-01-12  Doug Kwan  <dougkwan@google.com>

	* c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
	instead of OPT_Wreturn_type in warning due to ignored return type
	qualifiers.
	* c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
	options included in -Wextra.
	* c.opt: New option -Wignored_qualifiers.
	* doc/invoke.texi (Warning Options, -Wextra): Add new option
	-Wignore_qualifiers.
	(-Wignored-qualifiers): Document.
	(-Wreturn-type): Remove description of functionality now handled
	by -Wignored-qualifiers.

2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/33788
	* fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
	NOP_EXPR if it is between integral types with the same precision.

2008-01-12  Jan Hubicka  <jh@suse.cz>

	PR other/28023
	* invoke.texi (max-inline-recursive-depth): Fix default value.

2008-01-12  Zdenek Dvorak  <ook@ucw.cz>

	* tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
	correct type.

2008-01-11  Bob Wilson  <bob.wilson@acm.org>
	
	* config/xtensa/xtensa.c (override_options): Set flag_shlib.
	
2008-01-11  James E. Wilson  <wilson@specifix.com>

	PR target/26015
	* config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.

2008-01-11  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
	save/restore frame pointer register and don't use 'call-prologues' 
	optimization in function with "OS_task" attribute.

2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/31309
	* expr.c (copy_blkmode_from_reg): Use a mode suited to the size
	when copying to memory.

2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>

	PR rtl-optimization/30905
	* cfgcleanup.c: Include dce.h
	(crossjumps_occured): New global variable.
	(try_crossjump_bb): Exit loop after finding a fallthru edge.
	If something changed, set crossjumps_occured to true.
	(try_optimize_cfg): Clear crossjumps_occured at the beginning.
	Don't add/remove fake edges to exit here...
	(cleanup_cfg): ...but do it here, when crossjumping.
	Run a fast DCE when successful crossjumps occured in the latest
	iteration of try_optimize_cfg.

2008-01-11  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
	(struct vn_unary_op_s): Likewise.
	(vn_reference_insert): Free old reference on hash collision.

2008-01-10  Raksit Ashok  <raksit@google.com>

	PR rtl-optimization/27971
	* combine.c (find_split_point): Split PLUS expressions which are
	inside a MEM rtx, and whose first operand is complex.

2008-01-10  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
	(m32c_hard_regno_nregs): ...this, which is now a wrapper.
	(m32c_hard_regno_ok): Call the underlying function.

2008-01-10  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34683
	* tree-cfg.c (tree_merge_blocks): Do not go through the
	full-blown folding and stmt updating path if we just deal
	with virtual operands.
	* tree-ssa-copy.c (may_propagate_copy): Do not short-cut
	test for abnormal SSA_NAMEs.

2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>

	PR middle-end/34641
	* reload.c (push_reload): Add assertions.  All constants from
	reg_equiv_constant should have been used for replacing the respective
	pseudo earlier.
	(find_reloads_address): Invoke find_reloads_address_part for
	constant taken from the reg_equiv_constant array.

2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>

	* tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
	field (valnum) the first in the struct.  Replace bools with
	unit bit fields.

2008-01-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34651
	* tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
	types and ordering for masking and converting.

2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/34017
	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
	also for PHI_NODE expressions.

2008-01-09  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/34708
	* tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
	based on number of case labels.
	(init_inline_once): Remove switch_cost.
	* tree-inline.h (eni_weights_d): Remove switch_cost.

2008-01-09  Richard Guenther  <rguenther@suse.de>
	Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR middle-end/30132
	* gimplify.c (gimplify_cond_expr): Do not create an addressable
	temporary if an rvalue is ok or an lvalue is not required.

2008-01-09  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34458
	* tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
	adjust return type.

2008-01-09  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34679
	* tree.c (host_integerp): Check for sizetype only if the
	type is an integer type.

2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>

	PR debug/26364
	* opts.c (decode_options): Disable inlining of functions called
	once if not in unit-at-a-time mode.

2008-01-09  Alexandre Oliva  <aoliva@redhat.com>

	* Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.

2008-01-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/31863
	* tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
	out early if the result will be unused.

2008-01-08  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34709
	Revert:

	2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
	* config/i386/i386.c (ix86_builtin_reciprocal): Remove check
	for TARGET_RECIP.	
	
2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
	
	* config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
	for vectorization tuned.
	
2008-01-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34683
	* tree-ssa-operands.c (operand_build_cmp): Export.
	* tree-ssa-operands.h (operand_build_cmp): Declare.
	* tree-vn.c (vuses_compare): Remove.
	(sort_vuses): Use operand_build_cmp.
	(sort_vuses_heap): Likewise.
	* tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
	to re-use old VEC if available.  Do not sort already sorted VUSEs.
	(vdefs_to_vec): Do not sort already sorted VDEFs.

2008-01-08  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/34694
	* omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.

2008-01-08  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34702
	* doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
	limitations of reciprocal sequences on x86 targets.

2008-01-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34683
	* tree-flow-inline.h (var_ann): Remove overzealous asserts.

2008-01-07  Jakub Jelinek  <jakub@redhat.com>

	PR target/34622
	* config/darwin.c (darwin_mergeable_string_section): Don't use
	.cstring if int_size_in_bytes != TREE_STRING_LENGTH.

2008-01-07  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34682
	* config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
	negxf2.  Macroize expander using X87MODEF mode iterator.  Change
	predicates of op0 and op1 to register_operand.
	(abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
	expander using X87MODEF mode iterator.  Change predicates of
	op0 and op1 to register_operand.
	("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
	corresponding patterns and macroize using MODEF macro.  Change
	predicates of op0 and op1 to register_operand and remove
	"m" constraint. Disparage "r" alternative with "!".
	("*absneg<mode>2_i387"): Rename from corresponding patterns and
	macroize using X87MODEF macro.  Change predicates of op0 and op1
	to register_operand and remove "m" constraint.  Disparage "r"
	alternative with "!".
	(absneg splitter with memory operands): Remove.
	("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
	patterns and macroize using X87MODEF mode iterator.
	* config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
	Change predicate of op1 to register_operand.
	* config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
	for memory operands.

2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.

2008-01-07  Richard Guenther  <rguenther@suse.de>

	* basic-block.h (struct edge_def): Pair dest_idx with goto_locus
	fields.

2008-01-07  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34683
	* tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
	VOPs of the needed size to save memory.  Use VEC_quick_push
	to save compile-time.
	(vdefs_to_vec): Likewise.

2008-01-07  Sa Liu  <saliu@de.ibm.com>

	* config/spu/spu.md (divdf3): Genetate inline code for double
	division.  The implementation doesn't handle INF or NAN, therefore it
	only applies when -ffinite-math-only is given.

2008-01-06  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/34680
	* c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
	* doc/cpp.texi ([Common Predefined Macros]): Document.

2008-01-06  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
	order to use commutative addition instead of subtraction.

2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
	    Mircea Namolaru  <namolaru@il.ibm.com>
	    Vladimir Yanovsky  <yanov@il.ibm.com>
	    Revital Eres  <eres@il.ibm.com>

	PR tree-optimization/34263
	* tree-outof-ssa.c (process_single_block_loop_latch,
	contains_tree_r): New functions.
	(analyze_edges_for_bb): Call process_single_block_loop_latch
	function to empty single-basic-block latch block if possible.

2008-01-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_builtin_reciprocal): Remove check
	for TARGET_RECIP.
	(ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.

2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>

	* c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.

2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>

	* config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.

2008-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/34618
	* tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
	flag from T.

2008-01-05  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34673
	* config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
	in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
	Update copyright year.

	* config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
	Update copyright year.
	* config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
	using NR fixup.

2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>

	* tree-vrp.c (find_conditional_asserts): Remove redundant check that
	edge does not point to current bb before changing need_assert.

2008-01-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34029
	* tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
	for verifying purposes if they are is_gimple_min_invariant.

2008-01-04  Aldy Hernandez  <aldyh@redhat.com>

	PR tree-optimization/34448
	PR tree-optimization/34465
	* gimplify.c (gimplify_init_constructor): Add new parameter
	notify_temp_creation.  Use it.
	(gimplify_modify_expr_rhs): Take volatiles into account when
	optimizing constructors.
	Do not optimize constructors if gimplify_init_constructor will dump to
	memory.
	* gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
	* gcc.c-torture/compile/pr34448.c: New.

2008-01-04  Jakub Jelinek  <jakub@redhat.com>

	PR gcov-profile/34609
	* tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
	return_slot if result is TREE_ADDRESSABLE.

2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>

	* config/mips/mips.md (sqrt_condition): Tweak comment.
	(recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.

2008-01-03  Tom Tromey  <tromey@redhat.com>

	PR c/34457
	* c-common.c (c_type_hash): Handle VLAs.

2008-01-03  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/31081
	* tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
	0 when inlining and not inlining to first basic block.
	(remap_decl): When var is initialized to 0, don't set default_def.
	(expand_call_inline): Set entry_bb.
	* tree-inline.h (copy_body_data): Add entry_bb.

2008-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR c++/34619
	* cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
	before returning.

	PR tree-optimization/29484
	* tree-inline.c (inline_forbidden_p_2): New function.
	(inline_forbidden_p): Disallow inlining if some static var
	has an address of a local LABEL_DECL in its initializer.
	* doc/extend.texi (Labels as Values): Document &&foo behaviour
	vs. inlining.

2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/34635
	* tree-data-ref.c (add_other_self_distances): Make sure that the
	evolution step is constant.

2008-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/34608
	* omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.

2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>

	* tree-sra.c (scalarize_init): Insert the generate_element_init
	statements after the generate_element_zero statements.

2008-01-02  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34093
	PR middle-end/31976
	* tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
	for very large number of operands instead of ICEing.

2008-01-02  Arthur Norman <acn1@cam.ac.uk>

	PR target/34013
	* config/i386/i386.c (ix86_expand_prologue): Save red-zone
	while stack probing.

2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>

	* c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
	in C++0x mode.

2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>

	PR libmudflap/26442
	* tree-mudflap.c (mx_register_decls): Guard warning by
	!DECL_ARTIFICIAL check.

2008-01-01  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
	sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
	sse5_perm<mode>): Fix constraints.