* configure.ac: Add --enable-secureplt.
	(HAVE_AS_REL16): Test for R_PPC_REL16 relocs.
	* config.in: Regenerate.
	* configure: Regenerate.
	* config.gcc (powerpc64-*-linux*, powerpc-*-linux*): Add
	rs6000/secureplt.h to tm_file when enable_secureplt.
	* doc/invoke.texi (msecure-plt, mbss-plt): Document.
	* doc/install.texi: Document --enable-targets and --enable-secureplt.
	Correct xrefs to "Using the GNU Compiler Collection (GCC)".
	* config/rs6000/secureplt.h: New file.
	* config/rs6000/sysv4.h (TARGET_SECURE_PLT): Define.
	(SUBTARGET_OVERRIDE_OPTIONS): Error if -msecure-plt given without
	assembler support.
	(CC1_SECURE_PLT_DEFAULT_SPEC): Define.
	(CC1_SPEC): Delete duplicate mno-sdata.  Invoke cc1_secure_plt_default.
	(SUBTARGET_EXTRA_SPECS): Add cc1_secure_plt_default.
	* config/rs6000/sysv4.opt (msecure-plt, bss-plt): Add options.
	* config/rs6000/rs6000.h (TARGET_SECURE_PLT): Define.
	* config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Handle
	TARGET_SECURE_PLT got register load sequence.
	(rs6000_emit_prologue): Call rs6000_emit_load_toc_table when
	TARGET_SECURE_PLT.
	(rs6000_elf_declare_function_name): Don't emit toc address offset
	word when TARGET_SECURE_PLT.
	* config/rs6000/rs6000.md (elf_high, elf_low): Move past load_toc_*.
	(load_toc_v4_PIC_1) Enable for TARGET_SECURE_PLT.
	(load_toc_v4_PIC_3b, load_toc_v4_PIC_3c): New insns.
	(call, call_value): Mark pic_offset_table_rtx used for sysv pic and
	TARGET_SECURE_PLT.
	(call_nonlocal_sysv, call_value_nonlocal_sysv, sibcall_nonlocal_sysv,
	sibcall_value_nonlocal_sysv): Add 32768 offset when TARGET_SECURE_PLT
	and -fPIC.
	* config/rs6000/tramp.asm (trampoline_initial): Use "bcl 20,31".
	(__trampoline_setup): Likewise.  Init r30 before plt call.

From-SVN: r100415

* expr.c (convert_move): When a partial_int requires multiple
conversion steps, make sure successive steps convert the
intermediate value, not the original value.

* expmed.c (expand_mult): Convert partial_int multiplies to
shift/add combinations too.

* genmodes.c (mode_data): Add wider_2x.
(calc_wider_mode): Calculate twice-wider mode too.
(emit_mode_wider): Emit twice-wider mode too.
* machmode.h (mode_2xwider, GET_MODE_2XWIDER_MODE): New.
* expr.c (expand_expr_real_1): Use it for expanding
multiplies.

From-SVN: r100414

[[Split portion of a mixed commit.]]

From-SVN: r100412.2

	PR tree-optimization/21817
	* tree-ssa-loop-im.c (for_each_index): Handle VECTOR_CST.

From-SVN: r100410

2005-05-31  Pat Haugen  <pthaugen@us.ibm.com>

        * loop.c (loop_invariant_p, valid_initial_value_p): Revert last
        change.

From-SVN: r100408

2005-05-31  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/20534 (contd)
	* include/debug/macros.h: Add _GLIBCXX_DEBUG_ABORT, using
	__gnu_debug::__fancy_abort.
	* src/debug.cc: Define the latter.
	* include/debug/debug.h: Use _GLIBCXX_DEBUG_ABORT instead of
	assert.
	* config/linker-map.gnu (__gnu_debug::__fancy_abort): Add.

From-SVN: r100405

cp:
PR c++/21165
	* init.c (integral_constant_value): Check the type of the
	initializer, not the decl.
testsuite:
	PR c++/21165
	* g++.dg/template/init5.C: New.

From-SVN: r100402

2005-05-30  Paul Thomas  <pault@gcc.gnu.org>

	* gfortran.dg/char_initialiser_actual.f90:
	Test character initialisers as actual arguments.
	* gfortran.dg/char_pointer_comp_assign.f90:
	Test character pointer structure component assignments.
	* gfortran.dg/char_array_structure_constructor.f90:
	Test character components in structure constructors.

From-SVN: r100401

2005-05-30  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/18109
	PR fortran/18283
	PR fortran/19107
	* fortran/trans-array.c (gfc_conv_expr_descriptor): Obtain the
	string length from the expression typespec character length value
	and set temp_ss->stringlength and backend_decl. Obtain the
	tree expression from gfc_conv_expr rather than gfc_conv_expr_val.
	Dereference the expression to obtain the character.
	* fortran/trans-expr.c (gfc_conv_component_ref): Remove the
	dereference of scalar character pointer structure components.
	* fortran/trans-expr.c (gfc_trans_subarray_assign): Obtain the
	string length for the structure component from the component
	expression.

From-SVN: r100400

2005-05-31  Andrew pinski  <pinskia@physics.uc.edu>

        PR middle-end/20931
        * g++.dg/opt/pr20931.C: New test.

2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/20931
        PR middle-end/20946
        * fold-const.c (fold_checksum_tree): Copy types also if
        TYPE_CONTAINS_PLACEHOLDER_INTERNAL is set.
        Don't call fold_checksum_tree for TREE_LIST's TREE_CHAIN
        first.
        Tail recurse TREE_LIST's TREE_CHAIN.

From-SVN: r100397

re PR tree-optimization/21732 (-ftree-dump-all-details hangs during *.c.t24.copyprop or *.c.t38.copyprop2)

2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/21732
        * tree-ssa-copy.c (dump_copy_of): Create a bitmap and don't visit a
        SSA_NAME twice and cause the loop to become finite.  Remove the test
        for val.

From-SVN: r100396

	PR testsuite/20772
	* g++.dg/abi/dtor1.C, g++.dg/abi/empty10.C, g++.dg/abi/layout3.C,
	g++.dg/eh/simd-2.C, g++.dg/opt/cse2.C,
	g++.old-deja/g++.ext/asmspec1.C,
	g++.old-deja/g++.other/regstack.C,
	gcc.dg/20000614-1.c, gcc.dg/20000807-1.c, gcc.dg/20000904-1.c,
	gcc.dg/20001127-1.c, gcc.dg/20010202-1.c, gcc.dg/20010520-1.c,
	gcc.dg/20011009-1.c, gcc.dg/20011029-2.c, gcc.dg/20020224-1.c,
	gcc.dg/20020531-1.c, gcc.dg/20020616-1.c, gcc.dg/980226-1.c,
	gcc.dg/980414-1.c, gcc.dg/980520-1.c, gcc.dg/980709-1.c,
	gcc.dg/990117-1.c, gcc.dg/990130-1.c, gcc.dg/990213-2.c,
	gcc.dg/990214-1.c, gcc.dg/991129-1.c, gcc.dg/991209-1.c,
	gcc.dg/991214-1.c, gcc.dg/asm-1.c, gcc.dg/attr-returns_twice-1.c,
	gcc.dg/clobbers.c, gcc.dg/i386-387-7.c, gcc.dg/i386-387-8.c,
	gcc.dg/i386-3dnowA-1.c, gcc.dg/i386-3dnowA-2.c, gcc.dg/i386-asm-1.c
	gcc.dg/i386-asm-2.c, gcc.dg/i386-asm-3.c, gcc.dg/i386-bitfield3.c
	gcc.dg/i386-call-1.c, gcc.dg/i386-memset-1.c,
	gcc.dg/i386-signbit-3.c, gcc.dg/i386-ssefn-1.c,
	gcc.dg/i386-ssefn-2.c, gcc.dg/i386-ssefn-3.c, gcc.dg/i386-ssefn-4.c
	gcc.dg/i386-volatile-1.c, gcc.dg/i386-xorps.c, gcc.dg/pr12092-1.c
	gcc.dg/pr14289-1.c, gcc.dg/pr19236-1.c, gcc.dg/pr20204.c,
	gcc.dg/pr9771-1.c, gcc.dg/register-var-1.c,
	gcc.dg/sibcall-5.c, gcc.dg/charset/asm3.c,
	gcc.dg/cpp/trad/num-sign.c: Run tests also on x86_64.

From-SVN: r100394

2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-cfg.c (verify_expr): Add checking for COND_EXPR's conditional
        expression.

From-SVN: r100393

	* doc/tm.texi (TARGET_GET_PCH_VALIDITY, TARGET_PCH_VALID_P): Tweak
	the documentation to make it more future-proof.
	(TARGET_CHECK_PCH_TARGET_FLAGS): Document this new hook.
	* target.h (gcc_target): Add check_pch_target_flags.
	* target-def.h (TARGET_CHECK_PCH_TARGET_FLAGS): New macro.
	(TARGET_INITIALIZER): Include it.
	* toplev.c (default_pch_valid_p): Use targetm.check_pch_target_flags.
	* config/sh/sh.h (sh_pch_valid_p): Delete.
	* config/sh/sh.c (TARGET_PCH_VALID_P, sh_pch_valid_p): Delete.
	(sh_check_pch_target_flags): New function.
	(TARGET_CHECK_PCH_TARGET_FLAGS): Override default.

From-SVN: r100392

        * fold-const.c (extract_array_ref): Handle more cases,
        do some useful canonicalization of the base.
        (fold_binary): Explicitly deal with arrays of zero-sized
        structures during folding of &a[i] == &a[j].

        * gcc.dg/tree-ssa/foldaddr-1.c: New test.

From-SVN: r100391

From-SVN: r100389

	* doc/install.texi (sparc-sun-solaris2*): Update note
	about Sun bug 4910101.

From-SVN: r100385

	* doc/install.texi (sparc-sun-solaris2.7): Document bootstrap
	failure with Sun WorkShop 6 99/08/18 as.

From-SVN: r100383

[[Split portion of a mixed commit.]]

From-SVN: r100380.2

2005-05-30  Pat Haugen  <pthaugen@us.ibm.com>

        * loop.c (loop_invariant_p, valid_initial_value_p): Use
        regs_invalidated_by_call instead of call_used_regs.

From-SVN: r100378

	* gfortran.h (GFC_STD_LEGACY): New "standard" macro.  Reindent.
	* options.c (gfc_init_options): By default, allow legacy extensions
	but warn about them.
	(gfc_post_options): Make -pedantic warn about legacy extensions
	even with -std=legacy.
	(gfc_handle_option): Make -std=gnu follow the default behaviour
	of warning about legacy extensions, but allowing them. Make the
	new -std=legacy accept everything and warn about nothing.
	* lang.opt (std=legacy): New F95 command line option.
	* invoke.texi: Document both -std=f2003 and -std=legacy.
	* gfortran.texi: Explain the two types of extensions and document
	how they are affected by the various -std= command line options.

From-SVN: r100377

std_complex.h (log(const complex<_Tp>&)): When _GLIBCXX_USE_C99_COMPLEX, forward to __builtin_clog/clogf/clogl.

2005-05-30  Paolo Carlini  <pcarlini@suse.de>

	* include/std/std_complex.h (log(const complex<_Tp>&)): When
	_GLIBCXX_USE_C99_COMPLEX, forward to __builtin_clog/clogf/clogl.

From-SVN: r100376

2005-05-30  Paolo Carlini  <pcarlini@suse.de>

	PR middle-end/21743
	* gcc.dg/builtins-1.c: Activate disabled clog test.
	* gcc.dg/torture/builtin-attr-1.c: Likewise.

From-SVN: r100375

2005-05-30  Paolo Carlini  <pcarlini@suse.de>

	PR middle-end/21743
	* builtins.def (BUILT_IN_CLOG, BUILT_IN_CLOGF, BUILT_IN_CLOGL):
	Enable.
	* doc/extend.texi: Add clog, clogf, clogl.

From-SVN: r100374

2005-05-29 Paul Thomas  <pault@gcc.gnu.org>

	* testsuite/Changelog: Make up for my omission
	to update for PR16939 etc patches.

From-SVN: r100373

2005-05-29 Paul Thomas  <pault@gcc.gnu.org>

	* fortran/Changelog: Make up for my omission
	to update for PR16939 etc patches.

From-SVN: r100372

2005-05-30  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/20303
	* c-pragma.c: Include "vec.h".
	(handle_pragma_visibility): Use VEC.

	* doc/invoke.texi: Remove the nested visibility push limit.

From-SVN: r100371

	PR rtl-optimization/15422
	* reg-stack.c (starting_stack_p): New static global.
	(straighten_stack): Delete prototype. Change to update the stack
	before the current insn.
	(subst_stack_regs): Update call to straighten stack.
	(emit_swap_insn): Delete prototype.  For the first insn in a
	basic block, update stack_in instead of emitting a real swap.
	(change_stack): When changing the stack before the first insn
	in a basic block, update stack_in instead of emitting real code.
	(compensate_edges): Clear starting_stack_p during compensation.
	(convert_regs_1): Keep track of starting_stack_p whilst processing
	a basic block.

From-SVN: r100370

From-SVN: r100369

From-SVN: r100366

	PR c++/21784
	* name-lookup.c (do_nonmember_using_decl): Ignore builtin
	functions, even	when the used name is not a function.

	PR c++/21784
	* g++.dg/lookup/using14.C: New test.

From-SVN: r100365

2005-05-30  Bryce McKinlay  <mckinlay@redhat.com>

	PR libgcj/21821
	* gnu/java/nio/channels/natFileChannelPosix.cc (open): Don't use
	MAXPATHLEN. Format exception message using a StringBuffer instead.

From-SVN: r100364

From-SVN: r100363

From-SVN: r100362

From-SVN: r100361

	* gcc.dg/c99-math-double-1.c, gcc.dg/c99-math-float-1.c,
	gcc.dg/c99-math-long-double-1.c, gcc.dg/c99-math.h: Remove
	trailing ^M.

From-SVN: r100360

From-SVN: r100359

From-SVN: r100354

	PR libfortran/20179
	* io/unix.c (fd_close): Add test so that we don't close()
	stdout and stderr.

From-SVN: r100353

2005-05-29  Geoffrey Keating  <geoffk@apple.com>

	PR target/21761
	* config/rs6000/rs6000.md: Remove stray TARGET_32BIT from
	pattern involving `:P'.

Index: testsuite/ChangeLog
2005-05-29  Geoffrey Keating  <geoffk@apple.com>

	PR target/21761
	* gcc.c-torture/compile/pr21761.c: New.

From-SVN: r100352