PR other/48093
* doc/invoke.texi: Document -mtls-dialect and GCC_COMPARE_DEBUG.

From-SVN: r173352

re PR debug/47994 (-fcompare-debug failure with -O2 -fpeel-loops -fno-rerun-cse-after-loop -fno-tree-loop-optimize -fno-web)

PR debug/47994
PR debug/47919
* combine.c (try_combine): Skip debug insns at m_split tests.

From-SVN: r173351

From-SVN: r173350

2011-05-03  Chris Demetriou  <cgd@google.com>

        * config/i386/morestack.S (__i686.get_pc_thunk.bx): New.

From-SVN: r173345

2011-05-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/48848
	* include/std/valarray (valarray<>::valarray(valarray&&),
	valarray<>::operator=(valarray&&), valarray<>::swap): Add.
	* doc/xml/manual/status_cxx200x.xml: Update.
	* testsuite/26_numerics/valarray/moveable.cc: New.
	* testsuite/26_numerics/valarray/swap.cc: Likewise.

From-SVN: r173344

2011-05-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.dg/coarray/this_image_1.f90: Remove dg-options.

From-SVN: r173343

2011-05-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * trans-intrinsic.c (trans_this_image): Implement version with
        coarray argument.

2011-05-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.dg/coarray/this_image_1.f90: New.

From-SVN: r173342

2011-05-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.dg/coarray/caf.dg: New.
        * gfortran.dg/coarray/image_index_1.f90: New, copied
        from ../coarray_16.f90.

From-SVN: r173341

* dwarf2out.c (dwarf2out_finish): Always call output_aranges ()
  when info_section_emitted.

From-SVN: r173340

	* config/mips/mips-opts.h: New.
	* config/mips/mips.c (enum mips_r10k_cache_barrier_setting): Move
	to mips-opts.h.
	(mips_abi, mips_code_readable, mips_r10k_cache_barriee): Remove.
	(mips_handle_option): Don't handle OPT_mabi_, OPT_mcode_readable_
	or OPT_mr10k_cache_barrier_ here.  Access mips_cache_flush_func
	via opts pointer.
	* config/mips/mips.h (enum mips_code_readable_setting): Move to
	mips-opts.h.
	(mips_abi, mips_code_readable): Don't declare.
	* config/mips/mips.opt (config/mips/mips-opts.h): New
	HeaderInclude.
	(mabi=): Use Enum and Var.
	(mips_abi): New Enum and EnumValue entries.
	(mcode-readable=): Use Enum and Var.
	(mips_code_readable_setting): New Enum and EnumValue entries.
	(mr10k-cache-barrier=): Use Enum and Var.
	(mips_r10k_cache_barrier_setting): New Enum and EnumValue entries.

From-SVN: r173338

/cp
2011-05-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/28501
	* call.c (add_builtin_candidate): Handle REALPART_EXPR and
	IMAGPART_EXPR.

/testsuite
2011-05-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/28501
	* g++.dg/ext/complex9.C: New.

From-SVN: r173337

From-SVN: r173336

	* cgraph.h (cgraph_node_set_def, varpool_node_set_def): Move out of GTY;
	replace hash by pointer map.
	(cgraph_node_set_element_def, cgraph_node_set_element,
	const_cgraph_node_set_element, varpool_node_set_element_def,
	varpool_node_set_element, const_varpool_node_set_element): Remove.
	(free_cgraph_node_set, free_varpool_node_set): New function.
	(cgraph_node_set_size, varpool_node_set_size): Use vector size.
	* tree-emutls.c: Free varpool node set.
	* ipa-utils.c (cgraph_node_set_new, cgraph_node_set_add,
	cgraph_node_set_remove, cgraph_node_set_find, dump_cgraph_node_set,
	debug_cgraph_node_set, free_cgraph_node_set, varpool_node_set_new,
	varpool_node_set_add, varpool_node_set_remove, varpool_node_set_find,
	dump_varpool_node_set, free_varpool_node_set, debug_varpool_node_set):
	Move here from ipa.c; implement using pointer_map
	* ipa.c (cgraph_node_set_new, cgraph_node_set_add,
	cgraph_node_set_remove, cgraph_node_set_find, dump_cgraph_node_set,
	debug_cgraph_node_set, varpool_node_set_new,
	varpool_node_set_add, varpool_node_set_remove, varpool_node_set_find,
	dump_varpool_node_set, debug_varpool_node_set):
	Move to ipa-uitls.c.
	* lto/lto.c (ltrans_partition_def): Remove GTY annotations.
	(ltrans_partitions): Move to heap.
	(new_partition): Update.
	(free_ltrans_partitions): New function.
	(lto_wpa_write_files): Use it.
	* passes.c (ipa_write_summaries): Update.

From-SVN: r173334

        From Mike Frysinger
        * gcc.target/bfin/mcpu-bf542.c: Check SILICON_REVISION is 0x0004.
        * gcc.target/bfin/mcpu-bf544.c, gcc.target/bfin/mcpu-bf547.c,
        gcc.target/bfin/mcpu-bf548.c, gcc.target/bfin/mcpu-bf549.c: Likewise.

From-SVN: r173333

        From Mike Frysinger:
        * config/bfin/bfin.c (bfin_cpus[]): Add 0.4 for
        bf542/bf544/bf547/bf548/bf549.

From-SVN: r173332

	* expmed.c (extract_bit_field_1): Remove write-only variable "icode".

From-SVN: r173331

        From Bernd Schmidt:
        * config/bfin/bfin.md (MOVCC): New mode_macro.
        (mov<mode>cc_insn1, mov<mode>cc_insn2, mov<mode>cc): Renamed from
        movsicc_insn1, movsicc_insn2 and movsicc and macroized.  Remove
        comments from generated assembly.

From-SVN: r173330

	* gcc-interface/trans.c (gigi): Call build_function_type_list instead
	of build_function_type.  Adjust calls to...
	(build_raise_check): ...this.  Do not take a void_tree parameter.
	Call build_function_type_list instead of build_function_type.
	Fix head comment and swap couple of conditional blocks.

Co-Authored-By: Eric Botcazou <ebotcazou@adacore.com>

From-SVN: r173325

        From Bernd Schmidt
        * config/bfin/t-bfin (LIB1ASMFUNCS): Add muldi3 and umulsi3_highpart.
        * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add muldi3.
        * config/bfin/t-bfin-linux (LIB1ASMFUNCS): Add muldi3.
        * config/bfin/t-bfin-uclinux (LIB1ASMFUNCS): Add muldi3.
        * config/bfin/lib1funcs.asm (___muldi3): New function.

From-SVN: r173323

2011-05-03  Stuart Henderson  <shenders@gcc.gnu.org>

	* gcc.target/bfin/builtins: Created.
	* gcc.target/bfin/hisilh-O0.c: Deleted.
	* gcc.target/bfin/hisilh.c: Moved to...
	* gcc.target/bfin/builtins/hisilh.c: ...here.
	* gcc.target/bfin/builtins/shl_fr1x16-6.c: New test.
	* gcc.target/bfin/builtins/shr_fr1x16-1.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr1x32-9.c: Ditto.
	* gcc.target/bfin/builtins/shr_fr1x32-4.c: Ditto.
	* gcc.target/bfin/builtins/shr_fr1x32-8.c: Ditto.
	* gcc.target/bfin/builtins/lshl_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/abs_fr1x16-1.c: Ditto.
	* gcc.target/bfin/builtins/norm32-1.c: Ditto.
	* gcc.target/bfin/builtins/shrl_fr1x16-3.c: Ditto.
	* gcc.target/bfin/builtins/norm_fr1x32-2.c: Ditto.
	* gcc.target/bfin/builtins/bfin-builtins.exp: Ditto.
	* gcc.target/bfin/builtins/norm16-2.c: Ditto.
	* gcc.target/bfin/builtins/norm32-5.c: Ditto.
	* gcc.target/bfin/builtins/norm_fr1x16-3.c: Ditto.
	* gcc.target/bfin/builtins/mult_fr1x32x32-2.c: Ditto.
	* gcc.target/bfin/builtins/norm16-6.c: Ditto.
	* gcc.target/bfin/builtins/norm32-9.c: Ditto.
	* gcc.target/bfin/builtins/mult_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/dspsubaddsat_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/min_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/max_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/norm32-10.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr2x16-3.c: Ditto.
	* gcc.target/bfin/builtins/mulhisihh_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/diff_hl_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr2x16-7.c: Ditto.
	* gcc.target/bfin/builtins/shr_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/mulhisilh_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/lshl_fr1x16-1.c: Ditto.
	* gcc.target/bfin/builtins/cpmlx_mul_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/negate_fr1x32-2.c: Ditto.
	* gcc.target/bfin/builtins/negate_fr1x16-3.c: Ditto.
	* gcc.target/bfin/builtins/abs_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/shrl_fr2x16-4.c: Ditto.
	* gcc.target/bfin/builtins/mult_fr1x16-1.c: Ditto.
	* gcc.target/bfin/builtins/max_fr1x32-1.c: Ditto.
	* gcc.target/bfin/builtins/min_fr1x16-1.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr1x32-2.c: Ditto.
	* gcc.target/bfin/builtins/max_fr1x16-2.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr1x16-3.c: Ditto.
	* gcc.target/bfin/builtins/add_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr1x32-6.c: Ditto.
	* gcc.target/bfin/builtins/shr_fr1x32-1.c: Ditto.
	* gcc.target/bfin/builtins/shr_fr1x32.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr1x16-7.c: Ditto.
	* gcc.target/bfin/builtins/shr_fr1x16-2.c: Ditto.
	* gcc.target/bfin/builtins/shr_fr1x32-5.c: Ditto.
	* gcc.target/bfin/builtins/shr_fr1x32-9.c: Ditto.
	* gcc.target/bfin/builtins/abs_fr1x32-1.c: Ditto.
	* gcc.target/bfin/builtins/lshl_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/abs_fr1x16-2.c: Ditto.
	* gcc.target/bfin/builtins/cpmlx_msu_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/norm32-2.c: Ditto.
	* gcc.target/bfin/builtins/shrl_fr1x16-4.c: Ditto.
	* gcc.target/bfin/builtins/norm16-3.c: Ditto.
	* gcc.target/bfin/builtins/norm32-6.c: Ditto.
	* gcc.target/bfin/builtins/norm16-7.c: Ditto.
	* gcc.target/bfin/builtins/mult_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/min_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/add_fr1x16-1.c: Ditto.
	* gcc.target/bfin/builtins/norm32-11.c: Ditto.
	* gcc.target/bfin/builtins/sub_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr2x16-4.c: Ditto.
	* gcc.target/bfin/builtins/mulhisihh_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/diff_lh_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr2x16-8.c: Ditto.
	* gcc.target/bfin/builtins/shr_fr2x16-3.c: Ditto.
	* gcc.target/bfin/builtins/mulhisilh_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/lshl_fr1x16-2.c: Ditto.
	* gcc.target/bfin/builtins/cpmlx_mac_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/shrl_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/mult_fr1x32-1.c: Ditto.
	* gcc.target/bfin/builtins/min_fr1x32-1.c: Ditto.
	* gcc.target/bfin/builtins/dspaddsubsat_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/mult_fr1x16-2.c: Ditto.
	* gcc.target/bfin/builtins/max_fr1x32-2.c: Ditto.
	* gcc.target/bfin/builtins/min_fr1x16-2.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr1x32.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr1x32-3.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr1x16-4.c: Ditto.
	* gcc.target/bfin/builtins/sub_fr1x16-1.c: Ditto.
	* gcc.target/bfin/builtins/add_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr1x32-7.c: Ditto.
	* gcc.target/bfin/builtins/shr_fr1x32-2.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr1x16-8.c: Ditto.
	* gcc.target/bfin/builtins/shr_fr1x16-3.c: Ditto.
	* gcc.target/bfin/builtins/shr_fr1x32-6.c: Ditto.
	* gcc.target/bfin/builtins/circptr.c: Ditto.
	* gcc.target/bfin/builtins/negate_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/abs_fr1x32-2.c: Ditto.
	* gcc.target/bfin/builtins/multr_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/sum_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/shrl_fr1x16-1.c: Ditto.
	* gcc.target/bfin/builtins/cpmlx_msu_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/norm32-3.c: Ditto.
	* gcc.target/bfin/builtins/norm_fr1x16-1.c: Ditto.
	* gcc.target/bfin/builtins/norm16-4.c: Ditto.
	* gcc.target/bfin/builtins/norm32-7.c: Ditto.
	* gcc.target/bfin/builtins/norm16-8.c: Ditto.
	* gcc.target/bfin/builtins/add_fr1x32-1.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/add_fr1x16-2.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr2x16-5.c: Ditto.
	* gcc.target/bfin/builtins/norm32-12.c: Ditto.
	* gcc.target/bfin/builtins/sub_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/diff_lh_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/mulhisihl_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/shr_fr2x16-4.c: Ditto.
	* gcc.target/bfin/builtins/mulhisill_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/negate_fr1x16-1.c: Ditto.
	* gcc.target/bfin/builtins/multr_fr1x16-1.c: Ditto.
	* gcc.target/bfin/builtins/cpmlx_mac_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/shrl_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/mult_fr1x32x32NS-1.c: Ditto.
	* gcc.target/bfin/builtins/mult_fr1x32-2.c: Ditto.
	* gcc.target/bfin/builtins/min_fr1x32-2.c: Ditto.
	* gcc.target/bfin/builtins/dspaddsubsat_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr1x16-1.c: Ditto.
	* gcc.target/bfin/builtins/sub_fr1x32-1.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr1x32-4.c: Ditto.
	* gcc.target/bfin/builtins/sub_fr1x16-2.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr1x16-5.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr1x32-8.c: Ditto.
	* gcc.target/bfin/builtins/shr_fr1x32-3.c: Ditto.
	* gcc.target/bfin/builtins/shr_fr1x16-4.c: Ditto.
	* gcc.target/bfin/builtins/shr_fr1x32-7.c: Ditto.
	* gcc.target/bfin/builtins/negate_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/multr_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/sum_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/shrl_fr1x16-2.c: Ditto.
	* gcc.target/bfin/builtins/norm_fr1x32-1.c: Ditto.
	* gcc.target/bfin/builtins/norm16-1.c: Ditto.
	* gcc.target/bfin/builtins/norm_fr1x16-2.c: Ditto.
	* gcc.target/bfin/builtins/mult_fr1x32x32-1.c: Ditto.
	* gcc.target/bfin/builtins/norm32-4.c: Ditto.
	* gcc.target/bfin/builtins/norm16-5.c: Ditto.
	* gcc.target/bfin/builtins/norm32-8.c: Ditto.
	* gcc.target/bfin/builtins/dspsubaddsat_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/max_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/add_fr1x32-2.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr2x16-6.c: Ditto.
	* gcc.target/bfin/builtins/diff_hl_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/shr_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/mulhisihl_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/negate_fr1x32-1.c: Ditto.
	* gcc.target/bfin/builtins/cpmlx_mul_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/multr_fr1x16-2.c: Ditto.
	* gcc.target/bfin/builtins/mulhisill_fr2x16-2.c: Ditto.
	* gcc.target/bfin/builtins/negate_fr1x16-2.c: Ditto.
	* gcc.target/bfin/builtins/abs_fr2x16-1.c: Ditto.
	* gcc.target/bfin/builtins/shrl_fr2x16-3.c: Ditto.
	* gcc.target/bfin/builtins/mult_fr1x32x32NS-2.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr1x32-1.c: Ditto.
	* gcc.target/bfin/builtins/max_fr1x16-1.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr1x16-2.c: Ditto.
	* gcc.target/bfin/builtins/sub_fr1x32-2.c: Ditto.
	* gcc.target/bfin/builtins/shl_fr1x32-5.c: Ditto.

From-SVN: r173322

	* config/stormy16/stormy16 (xstormy16_init_builtins): Call
	build_function_type_list instead of build_function_type.
	Rearrange initialization of `args' to do so.

From-SVN: r173321

	* config/i386/i386.c (ix86_code_end): Call build_function_type_list
	instead of build_function_type.

From-SVN: r173320

	* config/rs6000/rs6000.c (spe_init_builtins): Call
	build_function_type_list instead of build_function_type.
	(paired_init_builtins, altivec_init_builtins): Likewise.
	(builtin_function_type): Likewise.

From-SVN: r173319

	* config/sh/sh.c (sh_media_init_builtins): Call
	build_function_type_list instead of build_function_type.

From-SVN: r173318

	* config/sparc/sparc.c (sparc_file_end): Call
	build_function_type_list instead of build_function_type.

From-SVN: r173317

	* config/alpha/alpha.c (alpha_init_builtins): Call
	build_function_type_list instead of build_function_type.

From-SVN: r173316

	* config/xtensa/xtensa.c (xtensa_init_builtins): Call
	build_function_type_list instead of build_function_type.

From-SVN: r173315

	* config/iq2000/i2000.c (iq2000_init_builtins): Call
	build_function_type_list instead of build_function_type.
	Delete `endlink' variable.

From-SVN: r173314

	* config/avr/avr.c (avr_init_builtins): Call
	build_function_type_list instead of build_function_type.

From-SVN: r173313

	* config/picochip/picochip.c (picochip_init_builtins): Call
	build_function_type_list instead of build_function_type.
	Delete `endlink' variable.

From-SVN: r173312

	* config/bfin/bfin.c (bfin_init_builtins): Call
	build_function_type_list instead of build_function_type.

From-SVN: r173311

re PR target/39768 (internal compiler error: RTL check: expected code 'const_int', have 'reg' in gen_rotlsi3, at config/bfin/bfin.md:1616)

2011-05-03  Stuart Henderson  <shenders@gcc.gnu.org>

        From Bernd Schmidt
        * config/bfin/bfin.md (rotrsi, rotlsi): Don't take INTVAL of anything
        that's not CONST_INT.  Seemingly redundant check is due to PR39768.

From-SVN: r173310

2011-05-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/48750
	* include/parallel/multiway_merge.h: Run _ValueType destructors.
	* include/parallel/multiway_mergesort.h: Likewise.
	* include/parallel/quicksort.h: Likewise.
	* include/parallel/random_shuffle.h: Likewise.
	* include/parallel/partial_sum.h: Likewise.
	* include/parallel/losertree.h: Run destructors; minor tweaks.
	* include/parallel/par_loop.h: Run destructors, fix memory
	allocations and deallocations.
	* testsuite/26_numerics/accumulate/48750.cc: New.

	* testsuite/ext/profile/mutex_extensions_neg.cc: Do not run in
	parallel-mode to avoid spurious multiple errors.

From-SVN: r173309

	From Jie Zhang:
	* config/bfin/uclinux.h (LINK_GCC_C_SEQUENCE_SPEC): Make sure
	libbffastfp overrides libgcc when -mfast-fp.

From-SVN: r173308

2011-05-03  Stuart Henderson <shenders@gcc.gnu.org>

        Originally from Bernd Schmidt
        * config/bfin/uclinux.h (SUBTARGET_FDPIC_NOT_SUPPORTED): New macro.
        * config/bfin/bfin.c (override_options): Test it and error if
        TARGET_FDPIC.

From-SVN: r173307

2011-05-03  Stuart Henderson  <shenders@gcc.gnu.org>
   
        Originally From Bernd Schmidt
        * config/bfin/bfin.c (override_options): Disable -fstack-limit for
        FD-PIC.

From-SVN: r173306

	* tree-ssa-threadupdate.c (THREAD_TARGET): define.
	(remove_ctrl_stmt_and_useless_edges): Clear AUX field of outgoing edges.
	(craete_edge_and_update_destination_phis): Use THREAD_TARGET rather
	than accessing AUX field directly.  Free the AUX field before			clearing it.
	(thread_block, thread_through_loop_header): Likewise.
	(thread_single_edge, mark_threaded_blocks): Likewise.
	(redirect_edges): Delay clearing the AUX field.  Free the AUX field.
	(register_jump_thread): Do not attempt to thread to a NULL edge.

From-SVN: r173305

	* function.c (init_function_start): Call decide_function_section.
	* varasm.c (decide_function_section): New function.
	(assemble_start_function): When not using
	flag_reorder_blocks_and_partition, don't compute in_cold_section_p
	or first_function_block_is_cold.
	* rtl.h (decide_function_section): Declare.

	* gcc.target/arm/cold-lc.c: New test.

From-SVN: r173303

	PR target/48774
	* config/i386/i386.c (ix86_match_ccmode): For CC{A,C,O,S}mode
	only succeed if req_mode is the same as set_mode.

	* gcc.dg/pr48774.c: New test.

From-SVN: r173301

	* gengenrtl.c (special_rtx): PC, CC0 and RETURN are special.
	* genemit.c (gen_exp): Handle RETURN.
	* emit-rtl.c (verify_rtx_sharing): Likewise.
	(init_emit_regs): Create pc_rtx, ret_rtx and cc0_rtx specially.
	* rtl.c (copy_rtx): RETURN is shared.
	* rtl.h (enum global_rtl_index): Add GR_RETURN.
	(ret_rtx): New.
	* jump.c (redirect_exp_1): Don't use gen_rtx_RETURN.
	* config/s390/s390.c (s390_emit_epilogue): Likewise.
	* config/rx/rx.c (gen_rx_rtsd_vector): Likewise.
	* config/cris/cris.c (cris_expand_return): Likewise.
	* config/m68k/m68k.c (m68k_expand_epilogue): Likewise.
	* config/rs6000/rs6000.c (rs6000_make_savres_rtx,
	rs6000_emit_epilogue, rs6000_output_mi_thunk): Likewise.
	* config/picochip/picochip.c (picochip_expand_epilogue): Likewise.
	* config/h8300/h8300.c (h8300_push_pop, h8300_expand_epilogue):
	Likewise.
	* config/v850/v850.c (expand_epilogue): Likewise.
	* config/bfin/bfin.c (bfin_expand_call): Likewise.
	* config/arm/arm.md (epilogue): Likewise.
	* config/mn10300/mn10300.c (mn10300_expand_epilogue): Likewise.
	* config/sparc/sparc.c (sparc_struct_value_rtx): Rename ret_rtx
	variable to ret_reg.

From-SVN: r173300