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Author SHA1 Message Date
Nathan Froyd bfc48cd85f call.c (add_builtin_candidates): Use VECs for local variable `types'. 
* call.c (add_builtin_candidates): Use VECs for local variable
	`types'.  Adjust remainder of function accordingly.

From-SVN: r163035
 2010-08-09 14:30:39 +00:00
Nathan Froyd d4ccba6615 name-lookup.c (is_associated_namespace): Convert local variables to be VECs instead of TREE_LISTs. 
* name-lookup.c (is_associated_namespace): Convert local variables
	to be VECs instead of TREE_LISTs.

From-SVN: r163034
 2010-08-09 14:28:47 +00:00
Nathan Froyd f38958e826 builtins.c (fold_builtin_next_arg): Use stdarg_p. 
gcc/
	* builtins.c (fold_builtin_next_arg): Use stdarg_p.
	* config/arm/arm.c (arm_get_pcs_model): Likewise.
	* config/avr/avr.c (init_cumulative_args): Likewise.
	* config/iq2000/iq2000.c (iq2000_expand_prologue): Likewise.
	* config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
	* config/m68k/m68k.c (m68k_return_pops_args): Likewise.
	* config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
	* config/pa/pa.c (hppa_builtin_saveregs): Likewise.
	* config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
	* config/rs6000/rs6000.c (init_cumulative_args): Likewise.
	* dwarf2out.c (gen_subprogram_die): Likewise.
	* function.c (allocate_struct_function): Likewise.
	* c-aux-info.c (gen_formal_list_for_func_dec): Likewise.
	(deserves_ellipsis): Delete.

gcc/cp/
	* tree.c (varargs_function_p): Use stdarg_p.

From-SVN: r163033
 2010-08-09 14:07:58 +00:00
Richard Guenther ec64af64d6 tree-ssa-copy.c (cached_last_copy_of): Remove. 
2010-08-07  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-copy.c (cached_last_copy_of): Remove.
	(valueize_val): New function.
	(get_last_copy_of): Remove.
	(set_copy_of_val): Simplify.
	(dump_copy_of): Likewise.
	(copy_prop_visit_cond_stmt): Use valueize_val.
	(copy_prop_visit_phi_node): Properly handle unvisited names.
	Drop code managing copy-of chains.
	(init_copy_prop): Adjust.
	(fini_copy_prop): Likewise.
	(execute_copy_prop): Remove obsolete comment.

From-SVN: r163032
 2010-08-09 13:20:11 +00:00
Richard Guenther 37609bf086 re PR tree-optimization/44632 (wrong code for complex division) 
2010-08-09  Richard Guenther  <rguenther@suse.de>

	PR middle-end/44632
	* function.c (gimplify_parameters): Do not clear addressable
	bit of the original parameter.

	* g++.dg/opt/nrv17.C: New testcase.

From-SVN: r163031
 2010-08-09 13:18:08 +00:00
Andreas Tobler 87d072e09a configure.ac: Add target powerpc64-*-freebsd*. 
2010-08-09  Andreas Tobler  <andreast@fgznet.ch>

        * configure.ac: Add target powerpc64-*-freebsd*.
        * configure: Regenerate.
        * testsuite/libffi.call/cls_align_longdouble_split.c: Pass
        -mlong-double-128 only to linux targets.
        * testsuite/libffi.call/cls_align_longdouble_split2.c: Likewise.
        * testsuite/libffi.call/cls_longdouble.c: Likewise.
        * testsuite/libffi.call/huge_struct.c: Likewise.

From-SVN: r163030
 2010-08-09 15:00:32 +02:00
Richard Guenther 3e32c76185 re PR target/45212 (FAIL: gcc.target/alpha/pr24178.c scan-assembler ldl.*,18\\\\() 
2010-08-09  Richard Guenther  <rguenther@suse.de>

	PR middle-end/45212
	* emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust
	alignment from MEM_REF offset only if we took it from the
	base object.

	* gcc.target/i386/pr24178.c: New testcase.

From-SVN: r163029
 2010-08-09 11:43:23 +00:00
Eric Fisher cee00e2290 * doc/sourcebuild.texi (vect_int_mult): Remove duplicate entry. 
From-SVN: r163028
 2010-08-09 11:08:59 +00:00
Eric Botcazou 82b481ed67 utils.c (build_vms_descriptor32): Fix formatting. 
* gcc-interface/utils.c (build_vms_descriptor32): Fix formatting.
	(build_vms_descriptor): Likewise.

From-SVN: r163027
 2010-08-09 06:35:09 +00:00
Nathan Froyd 788e504636 utils.c (make_descriptor_field): Add tree parameter. 
* gcc-interface/utils.c (make_descriptor_field): Add tree parameter.
	(build_vms_descriptor32): Adjust calls to it for new parameter.
	(build_vms_descriptor): Likewise.

From-SVN: r163026
 2010-08-09 01:06:34 +00:00
Nathan Froyd fb7fb7010a * gcc-interface/decl.c (rec_variant). Declare. Declare a VEC of it. 
(build_variant_list): Return a VEC instead of a tree.  Take a
	VEC instead of a tree.
	(create_variant_part_from): Take a VEC instead of a tree for
	variant_list.  Adjust accordingly.
	(gnat_to_gnu_entity): Adjust for changes to previous functions.

From-SVN: r163025
 2010-08-09 00:53:48 +00:00
GCC Administrator 0ec1183995 Daily bump. 
From-SVN: r163024
 2010-08-09 00:17:13 +00:00
Uros Bizjak 7323f4bbac 20030107-1.c: Do not call cleanup-coverage-files. 
* gcc.dg/20030107-1.c: Do not call cleanup-coverage-files.
	* gcc.dg/20030702-1.c: Ditto.
	* gcc.dg/20050309-1.c: Ditto.
	* gcc.dg/20050325-1.c: Ditto.
	* gcc.dg/20050330-2.c: Ditto.
	* gcc.dg/20051201-1.c: Ditto.
	* gcc.dg/gomp/pr27573.c: Ditto.
	* gcc.dg/gomp/pr34610.c: Ditto.
	* gcc.dg/pr24225.c: Ditto.
	* gcc.dg/pr26570.c: Ditto.
	* gcc.dg/pr32773.c: Ditto.
	* g++.dg/gcov/gcov-6.C: Ditto.
	* g++.dg/gomp/pr34608.C: Ditto.
	* gfortran.dg/gomp/pr27573.f90: Ditto.

	* gcc.dg/profile-dir-1.c: Do not call cleanup-coverage-files.  Remove
	dg-require-host-local dg directive.
	* gcc.dg/profile-dir-2.c: Ditto.
	* gcc.dg/profile-dir-3.c: Ditto.

From-SVN: r163020
 2010-08-08 23:54:44 +02:00
Nathan Froyd ac8dc9f79a c-pragma.c (add_to_renaming_pragma_list): Fix call to VEC_safe_push. 
* c-pragma.c (add_to_renaming_pragma_list): Fix call to VEC_safe_push.
	(maybe_apply_renaming_pragma): Delete unneeded declarations.

From-SVN: r163015
 2010-08-08 18:41:39 +00:00
Nathan Froyd b3399d18c2 c-tree.h (build_arg_info): Declare. 
* c-tree.h (build_arg_info): Declare.
	* c-decl.c (build_arg_info): Define.
	(get_parm_info): Call it.  Delete initialization code.
	* c-parser.c (c_parser_parms_declarator): Likewise.
	(c_parser_parms_list_declaractor): Likewise.

From-SVN: r163014
 2010-08-08 17:44:53 +00:00
Nathan Froyd e60bf9d4f9 c-tree.h (c_arg_tag): Define. 
* c-tree.h (c_arg_tag): Define.  Define a VEC containing it.
	(struct c_arg_info): Change type of tags field.
	* c-decl.c (grokdeclarator): Update for changed type of tags field.
	(get_parm_info): Likewise.
	(store_parm_decls_newstyle): Likewise.

From-SVN: r163013
 2010-08-08 17:42:40 +00:00
Nathan Froyd 4f8c876d43 c-pragma.c (pending_redefinition): Declare. 
* c-pragma.c (pending_redefinition): Declare.  Declare a VEC of it.
	(pending_redefine_extname): Change type to a VEC.
	(add_to_renaming_pragma_list): Update for new type of
	pending_redefine_extname.
	(maybe_apply_pending_pragma): Likewise.

From-SVN: r163012
 2010-08-08 17:41:10 +00:00
Nathan Froyd e7c64c7dc1 rs6000.c (branch_island): Define. 
* config/rs6000/rs6000.c (branch_island): Define.  Define a VEC of it.
	(branch_island_list): Delete.
	(branch_islands): Declare.
	(add_compiler_branch_island): Adjust for branch_islands instead of
	branch_island_list.
	(macho_branch_islands): Likewise.
	(no_previous_def): Likewise.
	(get_prev_label): Likewise.

From-SVN: r163011
 2010-08-08 17:39:49 +00:00
Richard Guenther b4a4e6ae0e re PR tree-optimization/45109 (ICE: in get_constraint_for_component_ref, at tree-ssa-structalias.c:2932) 
2010-08-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45109
	* gcc.c-torture/compile/pr45109.c: New testcase.

From-SVN: r163007
 2010-08-08 15:45:22 +00:00
John David Anglin cf00499e19 re PR boehm-gc/34544 (pthread_default_stacksize_np failed.) 
PR boehm-gc/34544
	* gthr-posix.h (__gthread_start): Delete.
	(__gthread_active_init): Use pthread_default_stacksize_np instead of
	pthread_create to determine if hpux pthreads are active.
	* gthr-posix95.h (__gthread_start): Delete.
	(__gthread_active_init): Likewise use pthread_default_stacksize_np.

From-SVN: r163003
 2010-08-08 15:04:38 +00:00
Paolo Carlini 71234632dd re PR libstdc++/44963 ([DR 1334] Ambiguous function overload using __gnu_cxx::crope with std::back_inserter in c++0x mode) 
2010-08-08  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/44963
	* include/bits/stl_iterator.h (insert_iterator<>::
	operator=(const typename _Container::value_type&,
	back_insert_iterator<>::
	operator=(const typename _Container::value_type&),
	front_insert_iterator<>::
	operator=(const typename _Container::value_type&))): Add
	in C++0x mode.
	* testsuite/ext/rope/44963.cc: New.
	* testsuite/20_util/weak_ptr/comparison/cmp_neg.cc: Adjust
	dg-error line number.

From-SVN: r163001
 2010-08-08 14:54:51 +00:00
Uros Bizjak 07f93cbdd5 march.c: Skip if -march defined. 
* gcc.dg/march.c: Skip if -march defined.
	* gcc.dg/mtune.c: Skip if -mtune defined.

	* g++.old-deja/g++.jason/thunk3.C: Skip for targets with
	generic thunk support.

From-SVN: r162998
 2010-08-08 14:09:46 +02:00
Paolo Carlini 77fd1c1d44 cmath: Implement US 136. 
2010-08-08  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/c_global/cmath: Implement US 136.
	* include/tr1_impl/cmath: Do not bring fpclassify, etc from namespace
	std, define namespace tr1.
	* testsuite/26_numerics/headers/cmath/
	c99_classification_macros_c++0x.cc: New.

From-SVN: r162995
 2010-08-08 10:07:16 +00:00
Kai Tietz 1159da448c mingw32.h ((EXTRA_OS_CPP_BUILTINS): Define _WIN64 not expanded. 
2010-08-08  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/mingw32.h ((EXTRA_OS_CPP_BUILTINS): Define
        _WIN64 not expanded.

From-SVN: r162994
 2010-08-08 09:30:08 +02:00
Nathan Froyd 8c30ead6fb parser.c (cp_default_arg_entry): Declare. 
* parser.c (cp_default_arg_entry): Declare.  Declare a VEC of it.
	(cp_unparsed_functions_entry): Declare.  Declare a VEC of it.
	(cp_parser) [unparsed_functions_queues]: Rename to unparsed_queues.
	Change type to a VEC.
	(unparsed_funs_with_default_args): Define.
	(unparsed_funs_with_definitions): Define.
	(push_unparsed_function_queues): New function.
	(cp_parser_new): Call it.
	(pop_unparsed_function_queues): New function.
	(cp_parser_class_specifier): Adjust processing of unparsed functions.
	(cp_parser_template_declaration_after_export): Use VEC_safe_push.
	(cp_parser_save_member_function_body): Likewise.
	(cp_parser_late_parsing_for_member): Call push_unparsed_function_queues
	and pop_unparsed_function_queues.
	(cp_parser_late_parsing_default_args): Likewise.
	(cp_parser_save_default_args): Use VEC_safe_push.

From-SVN: r162992
 2010-08-08 02:16:06 +00:00
Nathan Froyd 4d2fb76954 name-lookup.h (cp_label_binding): Declare. 
* name-lookup.h (cp_label_binding): Declare.  Declare a VEC type
	containing it.
	(cp_binding_level): Convert shadowed_labels and dead_vars_from_for
	fields to VECs.
	* decl.c (poplevel): Adjust for type changes.
	(declare_local_label): Likewise.

From-SVN: r162991
 2010-08-08 02:14:07 +00:00
GCC Administrator daf30b2fd0 Daily bump. 
From-SVN: r162989
 2010-08-08 00:17:03 +00:00
Nathan Froyd 2bb1fc26a1 decl.c (gnat_to_gnu_entity): Use XALLOCAVEC instead of alloca. 
* gcc-interface/decl.c (gnat_to_gnu_entity): Use XALLOCAVEC instead
	of alloca.
	(components_to_record): Likewise.
	* gcc-interface/trans.c (gnat_to_gnu): Likewise.
	* gcc-interface/utils.c (max_size): Likewise.
	(build_vms_descriptor32): Likewise.
	(build_vms_descriptor): Likewise.

From-SVN: r162985
 2010-08-07 21:12:32 +00:00
Nathan Froyd 1145e690d2 interface.c (compare_actual_formal): Use XALLOCAVEC instead of alloca. 
* interface.c (compare_actual_formal): Use XALLOCAVEC instead of
	alloca.
	(check_some_aliasing): Likewise.
	* trans-intrinsic.c (gfc_conv_intrinsic_conversion): Likewise.
	(gfc_conv_intrinsic_int): Likewise.
	(gfc_conv_intrinsic_lib_function): Likewise.
	(gfc_conv_intrinsic_cmplx): Likewise.
	(gfc_conv_intrinsic_ctime): Likewise.
	(gfc_conv_intrinsic_fdate): Likewise.
	(gfc_conv_intrinsic_ttynam): Likewise.
	(gfc_conv_intrinsic_minmax): Likewise.
	(gfc_conv_intrinsic_minmax_char): Likewise.
	(gfc_conv_intrinsic_ishftc): Likewise.
	(gfc_conv_intrinsic_index_scan_verify): Likewise.
	(gfc_conv_intrinsic_merge): Likewise.
	(gfc_conv_intrinsic_trim): Likewise.
	* trans.c (gfc_trans_runtime_error_vararg): Likewise.

From-SVN: r162984
 2010-08-07 21:10:45 +00:00
Uros Bizjak f6ddf131f0 re PR target/45213 ("suffix or operands invalid for `push'" triggered by optimisations on x86_64) 
PR target/45213
	* config/i386/i386.c (ix86_print_operand): Handle 'q' operand modifier
	to output 32bit SFmode immediate as 8 byte sign extended value.

testsuite/ChangeLog:

	PR target/45213
	* gcc.target/i386/pr45213.c: New test.

From-SVN: r162983
 2010-08-07 22:32:30 +02:00
Jerry DeLisle a4ed58ce81 re PR fortran/45143 ([F2008,corrig1] Endless loop with unlimited edit descriptor) 
2010-08-07  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/45143
	* gfortran.dg/fmt_error_11.f03: New test.

From-SVN: r162979
 2010-08-07 12:10:25 +00:00
Jerry DeLisle da0747b9b5 re PR fortran/45143 ([F2008,corrig1] Endless loop with unlimited edit descriptor) 
2010-08-07  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/45143
	* io/format.c: Remove fnode storage structure definitions, moving these
	to format.h. (parse_format_list): Add check for data descriptors,
	taking care of nested formats. Adjust calling parameters to pass a
	check flag. (parse_format): Likewise.
	* io/format.h: Add structures moved from format.c.

From-SVN: r162978
 2010-08-07 12:03:23 +00:00
Marcus Shawcroft 17fec01dd4 By ramana for Marcus Shawcroft. 
2010-08-07  Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* config/arm/linux-atomic.c (SUBWORD_VAL_CAS): Instantiate with
	'unsigned short' and 'unsigned char' instead of 'short' and 'char'.
	(SUBWORD_BOOL_CAS): Likewise.
	(SUBWORD_SYNC_OP): Likewise.
	(SUBWORD_TEST_AND_SET): Likewise.
	(FETCH_AND_OP_WORD): Parenthesise INF_OP
	(SUBWORD_SYNC_OP): Likewise.
	(OP_AND_FETCH_WORD): Likewise.

        * lib/target-supports.exp (check_effective_target_sync_int_long):
        Add arm*-*-linux-gnueabi.
        (check_effective_target_sync_char_short): Likewise.

From-SVN: r162977
 2010-08-07 09:31:14 +00:00
Ramana Radhakrishnan b0c131113e Cortex A9 VFP Pipeline description. 
2010-08-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/cortex-a9.md: Rewrite VFP Pipeline description.
        * config/arm/arm.c (arm_xscale_tune): Initialize sched_adjust_cost.
         (arm_fastmul_tune,arm_slowmul_tune, arm_9e_tune): Likewise.
         (arm_adjust_cost): Split into xscale_sched_adjust_cost and a
         generic part.
         (cortex_a9_sched_adjust_cost): New function.
         (xscale_sched_adjust_cost): New function.
        * config/arm/arm-protos.h (struct tune_params): New field
        sched_adjust_cost.
        * config/arm/arm-cores.def: Adjust costs for cortex-a9.

From-SVN: r162976
 2010-08-07 09:20:41 +00:00
Nathan Froyd e35546016b decl.c (subst_pair): Declare. 
* gcc-interface/decl.c (subst_pair): Declare.  Declare a VEC of it.
	(build_subst_list): Return a VEC instead of a tree.
	(build_variant_list): Take a VEC for subst_list.  Adjust
	accordingly.
	(create_field_decl_from): Likewise.
	(create_variant_part_from): Likewise.
	(copy_and_substitute_in_size): Likewise.
	(gnat_to_gnu_entity): Adjust for new interface to build_subst_list.
	Free the built vector.

From-SVN: r162975
 2010-08-07 04:26:26 +00:00
GCC Administrator c93cc12322 Daily bump. 
From-SVN: r162973
 2010-08-07 00:17:14 +00:00
Eric Botcazou e0c7ff2305 re PR target/44942 (Bug in argument passing of long double) 
PR target/44942
	* config/sparc/sparc.c (function_arg_advance): Always take into account
	the padding, if any.

From-SVN: r162967
 2010-08-06 23:22:52 +00:00
Thomas Koenig 8a0f25c3e7 re PR fortran/45159 (Unnecessary temporaries) 
2010-08-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/45159
	* dependency.c (check_section_vs_section):  Handle cases where
	the start expression coincides with the lower or upper
	bound of the array.

2010-08-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/45159
	* gfortran.dg/dependency_31.f90:  New test.

From-SVN: r162966
 2010-08-06 22:33:37 +00:00
David Malcolm cd6b2fa0e7 hook.in: Rename variable dir to dir_. 
libstdc++-v3/
	* python/hook.in: Rename variable dir to dir_.

Co-Authored-By: Jan Kratochvil <jan.kratochvil@redhat.com>

From-SVN: r162962
 2010-08-06 20:43:04 +00:00
Dan Witte 7862d49629 Remove warnings 
From-SVN: r162959
 2010-08-06 20:05:33 +00:00
Anthony Green 833bb7dfad Add missing commit from patch earlier today 
From-SVN: r162958
 2010-08-06 20:02:41 +00:00
Thomas Koenig 6a57b9eeea dependency_30.f90: Fix incorrect dg-do line. 
2010-08-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

	* gfortran.dg/dependency_30.f90:  Fix incorrect dg-do line.

From-SVN: r162957
 2010-08-06 19:54:34 +00:00
Jason Merrill b2edc92147 * include/std/thread: Add deleted thread(thread&). 
From-SVN: r162954
 2010-08-06 15:41:23 -04:00
Jason Merrill 309714d438 typeck.c (complete_type_or_maybe_complain): Split out from... 
* typeck.c (complete_type_or_maybe_complain): Split out from...
	(complete_type_or_else): Here.
	(build_class_member_access_expr): Call it.
	(finish_class_member_access_expr): Likewise.
	* call.c (build_special_member_call): Likewise.
	* cvt.c (build_expr_type_conversion): Likewise.
	* init.c (build_new): Likewise.
	* typeck2.c (build_functional_cast): Likewise.
	* cp-tree.h: Declare it.

	* init.c (build_value_init): Add complain parm.
	(build_value_init_noctor): Likewise.
	(perform_member_init): Pass it.
	(expand_aggr_init_1): Likewise.
	(build_new_1): Likewise.
	(build_vec_init): Likewise.
	* pt.c (tsubst_expr): Likewise.
	* typeck2.c (build_functional_cast): Likewise.
	* cp-tree.h: Adjust.
	* tree.c (build_target_expr_with_type): Handle error_mark_node.

From-SVN: r162953
 2010-08-06 15:35:01 -04:00
Jason Merrill 0c32fb95f0 typeck.c (decay_conversion): Any expression with type nullptr_t decays to nullptr. 
* typeck.c (decay_conversion): Any expression with type nullptr_t
	decays to nullptr.

From-SVN: r162952
 2010-08-06 15:34:49 -04:00
Paolo Carlini 00e9a94486 tuple (pack_arguments): Rename to forward_as_tuple and simplify, per US 98 and US 99. 
2010-08-06  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/tuple (pack_arguments): Rename to forward_as_tuple
	and simplify, per US 98 and US 99.
	* testsuite/20_util/tuple/creation_functions/pack_arguments.cc:
	Rename to...
	* testsuite/20_util/tuple/creation_functions/forward_as_tuple.cc:
	... this, adjust.
	* testsuite/20_util/pair/piecewise.cc: Adjust.

From-SVN: r162948
 2010-08-06 14:46:08 +00:00
Eric Botcazou f25496f352 decl.c (gnat_to_gnu_entity): Do not build an allocator for large imported objects. 
* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Do not build an
	allocator for large imported objects.

From-SVN: r162947
 2010-08-06 12:58:04 +00:00
Dan Witte 49f6cd1f25 Add OS/2 Support 
Co-Authored-By: Walter Meinl <wuno@lsvw.de>

From-SVN: r162946
 2010-08-06 12:36:26 +00:00
Dan Horák 3d420bdf4d Define libffi macros carefully 
From-SVN: r162945
 2010-08-06 12:26:52 +00:00
Richard Guenther 0b4b14ac40 tree-ssa-ccp.c (struct prop_value_d): Add mask member. 
2010-08-06  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-ccp.c (struct prop_value_d): Add mask member.
	(dump_lattice_value): Dump it.
	(get_default_value): Adjust.
	(get_constant_value): Likewise.
	(set_value_varying): Likewise.
	(set_lattice_value): Make sure to not go up the lattice
	with bitwise constant values.
	(get_value_for_expr): Handle ADDR_EXPRs.
	(value_to_double_int): New function.
	(get_value_from_alignment): Likewise.
	(do_dbg_cnt): Adjust.
	(ccp_lattice_meet): Handle partially constant values.
	(bit_value_unop_1): New function.
	(bit_value_binop_1): Likewise.
	(bit_value_unop): Likewise.
	(bit_value_binop): Likewise.
	(evaluate_stmt): Track partially constant values if
	flag_tree_bit_ccp is set.
	(ccp_fold_stmt): Dump if we folded a predicate.
	(ccp_visit_stmt): Adjust.
	* common.opt (ftree-bit-ccp): New flag.
	* doc/invoke.texi (ftree-bit-ccp): Document.
	* opts.c (decode_options): Enable bit-CCP at -O1.

	* gcc.dg/tree-ssa/ssa-dce-3.c: XFAIL.
	* gcc.dg/tree-ssa/pr23744.c: Disable CCP.
	* gcc.dg/tree-ssa/pr25382.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ccp-30.c: New testcase.
	* gcc.dg/tree-ssa/ssa-ccp-31.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ccp-32.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ccp-33.c: Likewise.
	* gcc.c-torture/execute/20100805-1.c: Likewise.

From-SVN: r162943
 2010-08-06 11:47:31 +00:00