path: root/gcc/ChangeLog.cilkplus

2013-07-19  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c/c-array-notation.c (find_rank): Added INDIRECT_REF case.
	(build_array_notation_expr): Likewise.

2013-07-07  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* config/i386/i386.c (ix86_cilkplus_find_isa_code): New function.
	(ix86_builtin_find_vlength_for_proc): Updated to emit the new mangling
	format.
	(TARGET_CILKPLUS_BUILTIN_FIND_ISA_CODE): Updated #define to point
	to the new function.
	* tree-vect-patterns.c (vect_recog_pow_pattern): Added 3 new parameters
	to the vectorizable_function function call.
	* tree-vect-stmts.c (vectorizable_function): Added 3 new parameters.
	Passed these parameters to find_elem_fn_name.
	(vectorizable_call): Made 'dt' a dynamic array instead of a static one.
	Passed 3 additional parameter to function call vectorizable_function.
	Pass a scalar parameter when the paramter type is linear or uniform.
	* doc/tm.texi (Addressing Modes): Changed TARGET_CILKPLUS_BUITIN_ISA
	CODE function's parameter.
	* targhooks.c (default_builtin_find_isa_code): Likewise.
	* target.def (default_builtin_find_isa_code): Likewise.
	* targhooks.h (default_builtin_find_isa_code): Likewise, but for a
	prototype.
	* cilk.h (find_elem_fn_name): Remove prototype.
	(find_suffix): Likewise.
	(extract_elem_fn_values): Added a new parameter.
	(find_prefix): New prototype.
	* elem-function-common.c (find_elem_fn_parm_type): Remove prototype.
	(is_elem_fn): Likewise.
	(find_elem_fn_name): Likewise.
	(find_processor_code): Remove function.
	(extract_elem_fn_values): Added a new parameter to prototype.
	(rename_elem_fn): Change second parameter name.
	(find_suffix): Renamed to find_prefix and made it return the new
	mangling format.
	(find_elem_fn_parm_type_1): Added new parameter to the function call
	extact_elem_fn_values.
	(find_elem_fn_name): Added new parameters to support new mangling
	format.
	(extract_elem_fn_values): Added new parameter.  Supported the new
	mangling format and replaced processor clause with isa clause.
	* tree-vectorizer.h (vectorizable_function): Added 3 new parameters.

2013-06-19  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk.c (cilk_output_metadata): Make alignment number to be 32.
	(output_zca_table): Hard-coded the size of IP to be 8.

2013-05-08  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c/c-array-notation.c (fix_builtin_array_notation_fn): Added a check
	for non-arithmetic types in array notation builtin functions.

2013-04-23  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c/c-array-notation.c (fix_builtin_array_notation_fn): Added "equal-to"
	component to the conditional expression checks for finding the maximum
	and minimum value index for the array notation builtin functions.

2013-04-18  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c/c-array-notation.c (fix_builtin_array_notation_fn): Added a check
	for array notation functions inside array notations.  If so, return an
	error.
	(build_array_notation_expr): Fixed a bug and popped a statement list.

2013-04-17  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c/c-array-notation.c (build_array_notation_expr): Added a check for
	length mismatch.  Also changed loading array_list so that array refs can
	be used with array notations.  Finally, store array notation components
	into variable only if it is not a INTEGER constant.
	(find_rank): Changed the computation method so that array ref can be
	used with array notations.
	(length_mismatch_in_expr_p): New function.
	(fix_builtin_array_notation_fn): Added a check to see if max/min value
	is available for the type.  If so, set it as the starting point for
	min and max reduction functions.

2013-04-14  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c/Make-lang.in (C_AND_OBJC_OBJS): Added c/c-pragma-simd.o.
	* c/c-typeck.c (c_finish_loop): Added new parameter to pass in pragma
	simd information.
	* c/c-parser.c (c_parser_for_statement): Likewise.
	(c_parser_simd_pragma): added CILKPLUS_PRAGMA_SIMD case. Removed
	PRAGMA_SIMD_ASSERT, PRAGMA_SIMD_VECTORLENGTH, PRAGMA_SIMD_PRIVATE,
	PRAGMA_SIMD_LINEAR cases.
	(same_var_in_multiple_lists_p): New function.
	(c_parser_simd_construct): Likewise.
	(c_parser_simd_assert): Changed the function to use vecs intead of
	mallocs, linked-list and TREE_LIST.  Also, added a parameter to pass in
	pragma simd information.
	(c_parser_simd_vectorlength): Likewise.
	(c_parser_simd_reduction): Likewise.
	(c_parser_simd_linear): Likewise.
	(c_parser_simd_private): Likewise.
	* pragma_simd.c (psv_find_node): Changed the function to use vecs
	instead of mallocs, linked-list and TREE_LIST.
	(clause_resolved_p): Likewise.
	(pragma_simd_assert_requested_p): Likewise.
	(pragma_simd_verify_clauses): Likewise.
	(set_OK_for_certain_clause): Likewise.
	(psv_find_node): Likewise.
	(pragma_simd_acceptable_vlength_p): Likewise.
	(check_off_reduction_var): Likewise.
	(find_linear_step_size): Likewise.
	(all_reductions_satisfied_p): Likewise.
	(pragma_simd_is_private_var_p): Renamed from pragma_simd_is_private_var.
	(p_simd_nodes_clear): New function.
	(p_simd_head_insert): Likewise.
	(pragma_simd_is_linear_var_p): Likewise.
	(dump_pragma_simd_values_vec): Likewise.
	(psv_head_insert): Remove.
	(insert_reduction_values): Likewise.
	(same_var_in_multiple_lists_p): Likewise.
	* tree-vectorizer.c (vectorize_loops): Removed function call
	pragma_simd_vectorize_loop_p.
	* tree.h (struct pragma_simd_values): Replaced dynamic arrays with
	vecs.
	(tree_label_decl): Made pragma_simd_index unsigned instead of signed.
	* cfgloop.h (struct loop): Likewise.
	* tree-vect-loop.c (vect_analyze_scalar_cycles_1): Added a check for
	verbosity of vectorizer, and if so then emit debug information.
	(vect_create_epilog_for_reduction): Added a call to remove reduction
	var when a reduction has occurred.
	* gimple.h (struct gimple_statement): Likewise.
	* c/c-pragma-simd.c: New file.

2013-04-05  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c/c-array-notation.c (build_array_notation_expr): Added support to
	follow execute-once rule for triplets.
	(fix_conditional_array_notations_1): Likewise.
	(fix_array_notation_call_expr): Likewise.
	(build_array_notation_expr): Made checking for invariant expressions
	in RHS of an array notation non-conditional.

2013-03-20  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c/c-parser.c (c_parser_simd_vectorlength): Called the function
	c_parser_expr_no_commas instead of c_parser_expression to parse just
	until the comma.

2013-03-13  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c/c-parser.c (c_parser_simd_vectorlength): Allow using sizeof 
	expression for vectorlength.
	* config/i386/i386.c (ix86_frame_pointer_required): Removed statements
	that checks if cilkplus is enabled and if the function is a cilk
	function.
	* ira.c (ira_setup_eliminable_regset): Enforce frame pointer usage when
	it cilkplus is enabled and if the function is a cilk function.
	* reload1.c (update_eliminables): Likewise.

2013-03-12  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* builtins.c (expand_builtin): Added a check if cilkscreen is available
	for the target.
	* config/i386/i386.c (ix86_have_cilkscreen_support): New function.
	Also, assigned this function to the following #define:
	TARGET_CILKPLUS_BUILTIN_HAVE_CILKSCREEN_SUPPORT.
	* target.def (builtin_have_cilkscreen_support): New target hook.
	* targhooks.c (default_have_cilkscreen_support): New function.
	(default_builtin_map_proc_to_attr): Likewise.
	(default_builtin_find_proc_code): Likewise.
	(default_builtin_find_isa_code): Likewise.
	(default_builtin_find_vlength_for_proc): Make return type as unsigned.
	* doc/tm.texi (Addressing Modes): Added documentation for new target
	hook TARGET_CILKPLUS_BUILTIN_HAVE_CILKSCREEN_SUPPORT.
	* doc/tm.texi.in (Addressing Modes): Likewise.
	
2013-03-11  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* pragma_simd.c (pragma_simd_is_private_var): Added an else clause and
	set var_name as var if var is not a VAR_DECL or PARM_DECL.

2013-03-08  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* tree-loop-distribution.c (ssa_name_has_uses_outside_loop_p): Added
	a call to pragma_simd_is_private_vars function when cilk plus is
	enabled.
	* c/c-parser.c (c_parser_for_statement): Removed the pragma_simd_found
	parameter.  Also, removed the call for pragma_simd_create_private_vars.
	* cfghooks.c (dump_bb): Moved the carriage return to out file to the
	end.
	* pragma_simd.c (pragma_simd_is_private_var): New function.
	(find_var_decl): Remove.
	(change_var_decl): Likewise.
	(pragma_simd_create_private_vars): Likewise.

2013-02-05  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk.c (output_zca_table): Added an extra field of zeros for 32 bit
	architectures.
	* c/c-typeck.c (convert_arguments): Added a check for function being
	not null.
	* c/c-parser.c (c_parser_cilk_grainsize): Added a check for the tree
	C_MAYBE_CONST_EXPR.  If so, then reject the grainsize.  Also, convert
	the grainsize to long signed int.

2013-02-04  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk.c (cilk_init_builtins): Defined __cilkrts_rethrow builtin
	function.
	(build_cilk_sync): Added code to set exception flag and exception data
	in the stack frame.  Also added code to call __cilkrts_rethrow function.
	Finally, inserted this code in the appropriate location of if-stmt.
	(set_cilk_except_flag): New function.
	(clear_cilk_except_flag): Likewise.
	(set_cilk_except_data): Likewise.
	(build_cilk_catch_sync): Likewise.
	* cilk-builtins.def (BUILT_IN_CILK_RETHROW): New builtin function.
	* c/c-objc-common.h (LANG_HOOKS_FRAME_CLEANUP): Set this hook to
	c_install_body_with_frame_cleanup.
	* langhooks-def.h (LANG_HOOKS_FRAME_CLEANUP): New #define.
	(lhd_install_body_with_frame_cleanup): New function.
	* langhooks.h (lang_hooks_for_cilkplus): New struct field called
	"install_body_with_frame_cleanup."

2013-01-25  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c/c-typeck.c (c_finish_return): Added a check if the return expr is
	a builtin array-notation function.  If so, then we don't issue error.
	* c/c-array-notation.c (fix_return_expr): New function.
	(expand_array_notation_exprs): Added a RETURN_EXPR case.

2013-01-24  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cgraphunit.c (cgraph_finalize_function): If cilkplus is enabled and
	if it is a cloned elemental function, then we force its output.

2013-01-22  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c/c-parser.c (c_parser_cilk_grainsize): Added a function call to skip
	to the end of pragma whenever an error occurred.

2013-01-09  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* gimplify.c (gimplify_expr): Added a check to see if error has occured.
	If so, then don't even try to handle the spawn since the program is
	wrong anyway.

2012-12-21  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* elem-function-common.c (find_elem_fn_parm_type_1): Freed a malloced
	variable.
	(find_elem_fn_name): Likewise.

2012-12-18  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* tree-vect-loop.c (vect_determine_vectorization_factor): Replaced all
	occurances of "fatal_error" with error_at with vect_location.
	(vect_analyze_loop_form): Likewise.
	(vect_analyze_loop_operations): Likewise.
	(vect_analyze_loop): Likewise.

2012-12-16  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* tree.h (GTY): Added new field in struct called "decl_auto."
	(DECL_AUTO): New #define.
	* c/c-typeck.c (c_finish_cilk_loop): Added a check for multiple expr. in
	condition or increment inside a _Cilk_for.  If so, then emit an error.
	(build_compound_expr): Added a check for spawned function call in a 
	compound expression.  If so, then emit an error.
	(c_finish_cilk_loop): Added a check for "static," "register," "extern,"
	and "auto" declarations in the induction variable of _Cilk_for.
	* c/c-parser.c (c_parser_cilk_for_statement): Added a check for 
	multiple expressions for initialization for a Cilk_for. If so, then 
	emit an error.
	(c_parser_postfix_expression): Added check for consecutive _Cilk_spawn
	keyword.  If found, emit and error.
	(c_parser_declaration_or_fndef): Set DECL_AUTO to 1 if storage class is
	set to auto.

2012-12-14  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c/c-parser.c (c_parser_cilk_for_statement): Replaced unknown location with the
	correct location value.
	* c/c-typeck.c (c_finish_cilk_loop): Checked if the increment is one of
	the following: !=, <=, <, >=, or >.  Report error otherwise.  Also 
	report error if the induction variable is constant or volatile.

2012-12-13  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* tree-vect-loop.c (vect_determine_vectorization_factor): Added a
	check if assert is requested in simd pragma.
	(vect_analyze_loop_form): Likewise.
	(vect_analyze_loop_operations): Likewise.
	(vect_analyze_loop): Likewise.
	* tree-cfgcleanup.c (remove_forwarder_block): Copied the pragma
	simd struct index from the removed bb to the destination basic block.
	* cfgloop.c (flow_loops_find): Added flag_enable_cilk check.
	* tree-cfg.c (gimple_merge_blocks): Copied the pragma simd struct
	index from the source to destination.
	(remove_bb): Likewise.

2012-12-12  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c/c-objc-common.h (LANG_HOOKS_CILK_CHECK_CTRL_FLOW): New define.
	* cilk.c (store_labels): New function.
	(find_all_labels): Likewise.
	(check_goto_labels_inside_cilk_for_body): Likewise.
	(check_gotos_inside_cilk_for): Likewise.
	(check_gotos_outside_cilk_for): Likewise.
	(check_cilk_ctrl_flow): Likewise.
	* langhooks.c (lhd_cilk_check_ctrl_flow): Likewise.
	* langhooks.h (struct lang_hooks_for_cilkplus): New function pointer.
	* gimplify.c (gimplify_function_tree): Called cilk_check_ctrl_flow
	function that is part of lang_hooks.
	* langhooks-def.h (LANG_HOOKS_CILK): New field added.

2012-12-10  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* doc/tm.texi (TARGET_CILKPLUS_BUILTIN_MAP_PROCESSOR_TO_ATTR): Added
	documentation for this hook.
	(TARGET_CILKPLUS_BUILTIN_FIND_PROCESSOR_CODE): Likewise.
	(TARGET_CILKPLUS_BUILTIN_FIND_ISA_CODE): Likewise.
	(TARGET_CILKPLUS_BUILTIN_FIND_VLENGTH_CODE): Likewise.
	* doc/tm.texi.in (TARGET_CILKPLUS_BUILTIN_MAP_PROCESSOR_TO_ATTR): Added
	hook.
	(TARGET_CILKPLUS_BUILTIN_FIND_PROCESSOR_CODE): Likewise.
	(TARGET_CILKPLUS_BUILTIN_FIND_ISA_CODE): Likewise.
	(TARGET_CILKPLUS_BUILTIN_FIND_VLENGTH_FOR_PROC): Likewise.
	* targhooks.c (default_builtin_map_processor_to_attr): New function.
	(default_builtin_find_processor_code): Likewise.
	(default_builtin_find_vlength_code): Likewise.
	(default_builtin_find_isa_code): Likewise.
	* c/c-parser.c (c_parser_elem_fn_processor_clause): Fixed syntax issue
	in error message.  Added several checks and error reporting for invalid
	values.
	(c_parser_elem_fn_uniform_clause): Likewise.
	(c_parser_elem_fn_linear_clause): Likewise.
	(c_parser_elem_fn_vlength_clause): Likewise.
	* c/c-decl.c (c_builtin_function_ext_scope): Added a check if external
	scope is non-null.
	* target.def (TARGET_CILKPLUS): Added this hook and several definitions
	such as builtin_map_processor_to_attr, builtin_find_processor_code,
	builtin_find_vlength_for_proc, builtin_find_isa_code.
	* tree.h (enum elem_fn_parm_type): Moved this to c-common.
	* cilk.h (elem_fn_info): Added some extra fields into struct.
	* elem-function-common.c (find_processor_code): Called the target
	dependent version.  Also made several changes to satisfy the new
	elemental function mangling format.  Finally, fixed up header comments.
	(find_suffix): Likewise.
	(extract_elem_fn_values): Likewise.
	* tree-vect-stmts.c (elem_fn_vect_get_vec_def_for_operand): Return
	scalar version for the uniform or linear parameters.
	(vectorizable_call): Set the function type correctly.
	* tree-inline.c (remap_var_for_cilk): Remove.
	(tree_elem_fn_versioning): Fix up header function and reflected changes
	in tree_function_versioning into this function.
	(copy_tree_body_r): Removed a call for remap_var_for_cilk.
	(elem_fn_copy_arguments_for_versioning): Fixed header comments.
	* Makefile.in (C_COMMON_OBJS): Added c-family/c-cpp-elem-function.o.
	* config/i386/i386.c (type_natural_mode): Added a check for cilk flag
	before emitting a note.
	(ix86_frame_pointer_required): Added a flag_enable_cilk check.
	(ix86_cilkplus_map_proc_to_attr): New function.
	(ix86_cilkplus_find_proc_code): Likewise.
	(ix86_cilkplus_find_isa_code): Likewise.
	(ix86_builtin_find_vlength_for_proc): Likewise.

2012-12-06  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* array-notation-common.c: Delete.
	* c/c-parser.c (c_parser_declarator_inner): Added a check for array
	notation inside a declaration and emit error if found.
	(c_parser_if_statement): Added a check if array notation expression
	exists in a if_stmt.  Only call the fix function if it is also true.
	(c_parser_switch_statement): Added a check if array notation exists in
	its condition.  If so, then we emit an error message.
	(c_parser_while_statement): Likewise.
	(c_parser_do_statement): Likewise.
	(c_parser_for_statement): Likewise.
	(c_parser_postfix_expression_after_primary): Did some var name changes.
	(c_parser_array_notation): Added the location parameter and added some
	error checking functions.
	* c/c-typeck.c (build_array_ref): Added a check if array notation inside
	array's index is one or less.  Otherwise, emit an error.
	(build_function_call_vec): Added code to not do type conversion for 
	builtin array notation __sec_reduce functions.
	* c/c-array_notation.c (struct inv_list): New structure.
	(find_rank): Changed *rank from int to size_t.
	(extract_array_notation_exprs): Removed all variables that used realloc 
	with vecs and replaced all insertion with the appropriate push function.
	(replace_array_notations): Likewise.
	(contains_array_notation_expr): Likewise.
	(build_array_notation_expr): All the changes as above plus replace
	several integer type variables to size_t.  Also added location variables
	when available instead of plane UNKNOWN_LOCATION.  Finally, replaced
	malloc and free with the appropriate builtin GCC's equivalent.
	(fix_conditional_array_notations_1): Likewise.
	(fix_array_notation_expr): Likewise.
	(fix_array_notation_call_expr): Likewise.
	(fix_builtin_array_notation_fn): All the changes as the above functions
	plus added support for MUTATING function.
	(is_builtin_array_notation_fn): Added support for MUTATING function.
	(find_correct_array_notation_type): Added a check for builtin array
	notation function.
	(find_inv_trees): New function.
	(replace_inv_trees): Likewise.
	(replace_invariant_exprs): Likewise.
	(build_array_notation_ref): Likewise.
	* tree.h: Removed all array notation structures and #defines.
	* tree.def: Removed ARRAY_NOTATION_REF tree definition and moved it to
	c-common.
	* Makefile.in (C_COMMON_OBJS): Added c-family/array-notation-common.c.
	(OBJS): Removed array-notation-common.o.

2012-11-28  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c/c-array-notation.c (fix_conditional_array_notations_1): Added some
	code to handle builtin array notations in a condition expr.
	(expand_array_notation_exprs): Added a COND_EXPR case.
	(find_correct_aray_notation_type): New function.
	* c-typeck.c (build_binary_op): Added a check for array notations inside
	op0 and op1.  If so, then we call find_correct_array_notation_type.


2012-10-19  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk.c (replace_cilk_metadata): New function.
	(cilk_remove_annotated_functions): Called replace_cilk_metadata when
	the function is not notify_intrinsic or notify_zc_intrinsic.
	* builtins.c (expand_builtin): Removed all the expansion of builtin
	cilkscreen functions.

2012-10-09  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* gimplify.c (gimplify_call_expr): Moved enter_frame call from the
	frame_body creation to right before the detach call.

2012-10-08  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* tree.h (SPAWN_DETACH_POINT): Removed the restriction of a CALL_EXPR.

2012-09-13  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* tree-profile.c (tree_profiling): Added a check for cilk plus flag and
	whether it is a cilk helper function before calling branch_prob ().

2012-09-11  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk-spawn.c: Remove file.
	* elem-function.c: Likewise.
	* Makefile.in: Renamed cilk-spawn.* to c-family/c-cilk.*

2012-08-22  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* alias.c (record_component_aliases): Added a check for builtin
	trampoline record.

2012-08-11  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* tree-inline.c (tree_elem_fn_versioning): Changed the call from
	elem_fn_add_local_variables to the add_local_variables function.
	(elem_fn_add_local_variables): Remove.

2012-08-03  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* gimplify.c (gimplify_expr): Renamed cilk field in langhooks struct to
	cilkplus.
	(gimplify_function_tree): Make elem_fn_create_fn part of langhooks.
	* cilk-spawn.c (cilk_spawnable_constructor): Renamed cilk field in
	langhooks struct to cilkplus.
	(recognize_spawn): Likewise.
	* langhooks.c (lhd_elem_fn_create_fn): Added new function.

2012-07-31  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cfgrtl.c (rtl_verify_flow_info_1): Added a check for Cilk Plus
	spawned function.

2012-07-30  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cppbuiltin.c (define_builtin_macros_for_compilation_flags): Fixed
	spacing and added a comment to clarify the code's indent.
	* elem-function-common.c (find_processor_code): Fixed comments.
	(find_vlength_code): Likewise.
	(rename_elem_fn): Likewise.
	(find_suffix): Likewise.
	(find_elem_fn_parm_type_1): Likewise.
	(find_elem_fn_parm_type): Likewise.
	(find_elem_fn_name): Likewise.
	(extract_elem_fn_values): Likewise.
	(is_elem_fn): Likewise.
	* elem-function.c (create_processor_attribute): Likewise.
	* expr.c (expand_expr_real_1): Added clafifying comments.
	* final.c (rest_of_handle_comments): Fixed comments.
	* array-notation-common.c (mark_cold): Added comment on function header.
	(array_notation_init_builtins): Likewise.
	(is_sec_implicit_index_fn): Likewise.
	(extract_sec_implicit_index_arg): Likewise.
	* gimplify.c (gimplify_decl_expr): Added a check for cilkplus flag.
	Also fixed spacing.
	(gimplify_call_expr): Likewise.
	(gimplify_expr): Fixed comments.
	* ipa-inline-analysis.c (initialize_inline_failed): Likewise.
	* ipa-inline.c (can_inline_edge_p): Likewise.
	* langhook.c (lhd_hook_bool_false): Fixed spacing.
	* pointer-set.c (pointer_map_traverse_ordered): Remove
	(sort_decl): Remove.
	* pragma-simd.c (clear_pragma_simd_list): New function.
	(clause_resolved_p): Fixed comments.
	(set_OK_for_certain_clause): Likewise.
	(psv_head_insert): Likewise.
	(all_reductions_satisfied_p): Likewise.
	(pragma_simd_vectorize_loop_p): Likewise.
	(same_var_in_multiple_lists_p): Likewise.
	(pragma_simd_assert_requested_P): Fixed spacing and comments.
	(find_var_decl): Likewise.
	(change_var_decl): Likewise.
	* attribs.c (is_elem_fn_attribute_p): Remove.
	(decl_attributes): Added a cilkplus flag check.
	* builtins.c (expand_builtin): Fixed code and comment spacing.
	* builtins.def (): Removed all cilkplus specific functions to a seperate
	file.
	* c/c-array-notation.c (find_rank): Fixed spacing and wordings in
	comments and removed unwanted curly braces and spaces.
	(extract_array_notation_exprs): Likewise.
	(replace_array_notations): Likewise.
	(max): Likewise.
	(build_array_notation_expr): Likewise.
	(fix_conditional_array_notations_1): Likewise.
	(fix_conditional_array_notations): Likewise.
	(fix_array_notation_call_expr): Likewise.
	(is_builtin_array_notation_fn): Added header comment.
	(expand_array_notation_exprs): Likewise.
	* c/c-parser.c (c_parser_declaration_or_fndef): Added a check for the
	cilkplus flag.  Also, fixed spacing and wordings of some comments and
	removed unwanted curly braces.
	(c_parser_attributes): Likewise.
	(c_parser_compound_statement): Likewise.
	(c_parser_statement_after_labels): Likewise.
	(c_parser_if_statement): Likewise.
	(c_parser_switch_statement): Likewise.
	(c_parser_while_statement): Likewise.
	(c_parser_do_statement): Likewise.
	(c_parser_postfix_expression): Likewise.
	(c_parser_postfix_expression_after_primary): Likewise.
	(c_parser_for_statement): Likewise.
	(c_parser_array_notation): Added header comment.
	(c_parser_elem_fn_processor_clause): Likewise.
	(c_parser_elem_fn_uniform_clause): Likewise.
	(c_parser_elem_fn_linear_clause): Likewise.
	(c_parser_elem_fn_vlength_clause): Likewise.
	(c_parser_elem_fn_expr_list): Likewise.
	(c_parser_init): Fixed spacing and wordings in comments, and added
	"cilkplus" to add cilkplus related variabled we defined.
	(c_parser_for_statement): Likewise.
	(c_parser_simd_assert): Likewise.
	(c_parser_simd_linear): Likewise.
	(c_parser_simd_private): Likewise.
	(c_parser_simd_vectorlength): Likewise.
	(c_parser_simd_reduction): Likewise.
	(c_parser_cilk_grainsize): Likewise.
	* c/c-typeck.c (c_finish_loop): Likewise.
	(build_binary_op): Added c_save_expr call that was accidentally dropped.
	* cfgloop.c (flow_loops_find): Fixed spacing.
	* cgraphunit.c (cgraph_decide_if_function_is_needed): Likewise.
	(cgraph_finalize_function): Remove unwanted check for cilk_flag.
	* cilk-spawn.c (sort_decl): Remove.
	(declare_one_free_variable): Fix comments - both spacing and wording.
	Also replaced call for pointer_map_traverse_ordered with pointer_map
	traverse.
	(build_wrapper_type): Likewise.
	(init_wd): Added header comment.
	(free_wd): Likewise.
	(race_warning): Likewise.
	(dump_replacement_map): Likewise.
	(debug_replacement_map): Likewise.
	(check_outlined_calls): Likewise.
	(install_body_with_frame_cleanup): Likewise.
	(init_cfd): Likewise.
	(compute_incr_direction): Likewise.
	(tree_operand_nocov): Likewise.
	(cilk_simplify_tree): Likewise.
	(cilk_loop_convert): Likewise.
	(block_for_loop): Likewise.
	(build_cilk_wrapper): Fixed comments, removed unwanted curly braces.
	(add_variable): Likewise.
	(extract_free_variables): Likewise.
	(build_cilk_helper_decl): Likewise.
	(wrapper_parm_cb): Likewise.
	(for_local_cb): Likewise.
	(wrapper_local_cb): Likewise.
	(copy_decl_for_cilk): Likewise.
	(cilk_outline): Likewise.
	(check_loop_difference_type): Likewise.
	(extract_for_fields): Likewise.
	(divide_count): Likewise.
	(compute_loop_count): Likewise.
	(build_cilk_for_body): Likewise.
	(gimplify_cilk_for_2): Likewise.
	(gimplify_cilk_for_1): Likewise.
	(gimplify_cilk_for): Likewise.
	(var_mentioned_p): Likewise.
	(declare_cilk_for_parms): Likewise.
	* cilk.c (is_elem_fn_attribute_p): Add.
	(compare_fn): Likewise.
	(is_cilk_function_decl): Likewise.
	* config/i386/i386.c (type_natural_mode): Added some comments.
	(ix86_function_arg_boundary): Likewise.
	(ix86_frame_pointer_required): Removed unwanted curly braces and fixed
	comments.

2012-07-25  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk.c (is_cilk_must_expand_fn): Added BUILT_IN_CILK_DETACH case.

2012-07-23  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk.c (cilk_declare_looper): Added comments to function header.  Also
	fixed few minor spacing and commenting issues.
	(add_field): Likewise.
	(install_builtin): Likewise.
	(cilk_init_builtin): Likewise.
	(cilk_call_setjmp): Likewise.
	(cilk_test_flag): Likewise.
	(expand_builtin_cilk_detach): Likewise.
	(expand_builtin_pop_frame): Likewise.
	(build_cilk_function_exit): Likewise.
	(make_cilk_frame): Likewise.
	(gimplify_cilk_sync): Likewise.
	(create_metadata_label): Likewise.
	(insert_into_zca_list): Likewise.
	(find_zca_data): Likewise.
	(get_zca_entry_count): Likewise.
	(get_zca_string_table_size): Likewise.
	(get_zca_exprs_table_size): Likewise.
	(output_zca_table): Likewise.
	(output_string_table): Likewise.
	(output_expr_table): Likewise.
	(delete_zca_list): Likewise.
	(cilk_output_metadata): Likewise.
	(expand_builtin_cilk_metadata): Likewise.
	(cilk_annotationed_fn_p): Likewise.
	(cilk_remove_annotated_functions): Likewise.
	(is_cilk_must_expand_fn): New function.
	* cilk-spawn.c (call_graph_add_fn): Renamed cg_hacks.  Also removed
	unwanted comments and fixed some spacing.
	(gimplify_cilk_spawn): Fixed spacing.
	(build_cilk_wrapper): Removed unwanted comments.
	(extract_free_variables): Fixed spacing and removed unwanted curly
	braces.
	(cilk_simplify_tree): Likewise.
	(extract_for_fields): Likewise.
	(gimplify_cilk_for_1): Likewise.
	(declare_cilk_for_parms): Likewise.
	(build_cilk_for_body): Removed unwanted comments and renamed cg_hacks to
	call_graph_add_fn.
	* c/c-parser.c (c_parser_expr_no_commas): Modified some comments and
	restructured && || and removed unwanted curly braces.
	(c_parser_cilk_grainsize): Likewise.
	(c_parser_pragma): Likewise.
	(c_parser_cilk_for_statement): Likewise.
	* builtins.c (expand_builtin): Replaced plane flag_enable_cilk with
	specific function that excludes only a certain set of functions.
	* elem-function-common.c (find_vlength_code): Fixed spacing and comments
	to conform with the coding standard.
	* elem-function.c (create_processor_attributes): Likewise.
	(create_optimize_attribute): Likewise.
	(replace_return_with_new_var): Likewise.
	(elem_fn_build_array): Likewise.
	(replace_array_ref_for_vec): Likewise.
	(fix_elem_fn_return_value): Likewise.
	(add_elem_fn_loop): Likewise.
	(add_elem_fn_mask): Likewise.
	(call_graph_add_fn): Renamed cg_hacks.
	(elem_fn_create_fn): Likewise.
	* gimplify.c (gimplify_call_expr): Fixed spacing and removed unwanted
	curly braces.
	(gimplify_function_tree): Fixed comments and spacing.
	* pragma_simd.c (set_OK_for_certain_clause): Fixed code to conform to
	popular coding.
	(psv_find_node): Fixed comments, spacing and removed unwanted curly
	braces.
	(psv_head_insert): Likewise.
	(pragma_simd_assert_requested): Likewise.
	(pragma_simd_acceptable_vlength_p): Likewise.
	(pragma_simd_vectorize_loop_p): Likewise.
	(pragma_simd_create_private_vars): Likewise.
	(find_var_decl): Likewise.
	(insert_reduction_values): Likewise.
	(same_var_in_multiple_lists_p): Likewise.
	(check_off_reduction_var): Likewise.
	(find_linear_step_size): Fixed spacing in header comments.
	* tree-pretty-print.c (dump_generic_node): Renamed SYNC_STMT and
	SPAWN_STMT to CILK_SYNC_STMT and CILK_SPAWN_STMT, respectively.
	* tree.def: Likewise.
	* tree.c (type_hash_code): Remove.
	(build_function_linkage_variant): Likewise.
	* tree.h: Removed build_function_linkage_variant and the associated
	#defines.

2012-07-19  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* gimplify.c (gimplify_expr): Replaced all weak symbols with a
	language hook equivalent for handling cilk_spawn, cilk_sync and
	cilk_for.
	* c/c-objc-common.h (LANG_HOOKS_GIMPLIFY_CILK_SPAWN): Defined this.
	(LANG_HOOKS_CILK_VALID_SPAWN): Likewise.
	(LANG_HOOKS_GIMPLIFY_CILK_FOR): Likewise.
	(LANG_HOOKS_GIMPLIFY_CILK_SYNC): Likewise.
	* cilk.h: Replaced all the weak attributes.
	* langhooks.c (lhd_recognize_spawn): New function.
	(lhd_cilk_valid_spawn): Likewise.
	(lhd_gimplify_cilk_spawn): Likewise.
	(lhd_gimplify_cilk_for): Likewise.
	(lhd_gimplify_cilk_sync): Likewise.
	* langhooks-def.h (LANG_HOOKS_CILK_VALID_SPAWN): New define.
	(LANG_HOOKS_GIMPLIFY_CILK_FOR): Likewise.
	(LANG_HOOKS_GIMPLIFY_CILK_SYNC): Likewise.
	(LANG_HOOKS_GIMPLIFY_CILK_SPAWN): Likewise.
	(LANG_HOOKS_CILK): Added the 4 new defined phrases above to this
	structure.
	* c/c-lang.c: Added cilk.h header.

2012-07-16  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-parser.c (c_parser_statement_after_labels): Checked if a sync expr
	is not an error_mark_node.
	* c-decl.c (pop_scope): Removed a exit when any label errors are found.
	* dwarf2out.c (dwarf2out_decl): Removed an unnecessary flag_enable_cilk
	check.
	* cilk.c (cilk_init_builtins): Removed unused code.  Also, converted the
	enter_frame function to use install_builtin.

2012-07-05  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-typeck.c (build_binary_op): Added a call to c_save_expr.
	* cilk.c (add_field): Changed the location of field to builtin location.

2012-07-03  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk-spawn.c (compute_loop_var): Changed count_type from the struct
	value to the type of the loop variable.
	* cgraphunit.c (cgraph_finalize_function): Added a check for cilk flag
	not being enabled.

2012-06-27  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* tree-vect-stmts.c (vectorizable_call): No need to bail out. Some
	elemental functions will have more than 3 arguments and those are OK.
	* elem-function-common.c (extract_elem_fn_values): Initialized the
	vectorlength based on the return value type.  Also, if vectorlength is
	not set, then we use the initial value based on return value.

2012-06-26  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* tree-cfg.c (make_blocks): Transferred pragma simd value from one node
	to another.
	(remove_bb): Likewise.
	* pragma_simd.c (pragma_simd_assert_requested_p): Compared with ASSERT
	instead of NOASSERT.
	(check_off_reduction_var): Checked if reduc_stmt is NULL.
	(find_linear_step_size): Unwrapped variable from SSA_NAME type.

2012-06-17  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	PR 53672
	* dwarf2out.c (dwarf2out_abstract_function): Added a check for the
	spawn helper.
	(dwarf2out_function_decl): Added a check if CILK_FN_P is set when there
	is no function struct.
	* cilk.c (expand_builtin_cilk_metadata): Set the CILK_FN_P field to 1.
	* cilk-spawn.c (cg-hacks): Likewise.
	(gimplify_cilk_for_2): Likewise.
	(gimplify_cilk_for): Likewise.
	* tree.h (CILK_FN_P): Added new #define to access a base field of tree.

2012-06-15  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	PR 53672
	* dwarf2out.c (dwarf2out_function_decl): Added a check for spawn helper.

2012-06-15  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk.c (install_builtin): Added a check if pushdecl is successful.
	Only update the fndecl if it is.
	(cilk_init_builtins): Removed duplicate code and changed fixed a small
	bug.
	(get_frame_arg): Added a check if compatable_p is available.
	(expand_builtin_cilk_metadata): Removed attribute_unused for the parms,
	and set is_cilk_function whenever notify_intrinsic is set.
	* tree.h (GTY): Added a new enum field called BUILT_IN_CILK.
	* builtins.def: Set the builtin type as BUILT_IN_CILK for all cilk
	related functions.

2012-06-11  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk.c (cilk_init_builtins): Made the stack frame structure runtime
	independent.

2012-06-05  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk-spawn.c (compute_loop_var): Removed an unwanted assert.
	(build_cilk_for_body): Changed var type from min_parms's to the original
	var_type. This change is propagated in several places with the
	appropriate type conversions.

2012-06-02  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* tree-inline.c (remap_gimple_op_r): Added a check for NON-NULL
	TREE_BLOCK, if so then clear it.

2012-05-29  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-parser.c (c_parser_attributes): Added a check for vector attribute.
	* elem-function-common.c (find_vlength_code): Added a check for
	no processor type.
	* elem-function.c (cg_hacks): Added a check if cfun is non-NULL.
	(elem_fn_create_fn): Marked function as already cloned in function tree
	node.
	* ipa.c (symtab_remove_unreachable_nodes): Added a check for cloned
	elemental function.
	* cgraphunit.c (cgraph_analyze_functions): Likewise.

2012-05-24  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* elem-function.c (elem_fn_create_fn): Mistakenly removed a necessary
	attribute.
	(create_processor_attribute): Added a underscore
	between pentium and 4 for sse3, removed an extra 's' in
	sse3 for core2_duo and put underscore between core and 2 in core2.
	* elem-function-common.c (find_processor_code): Likewise.
	(extract_elem_fn_values): Fixed a bug for mask parsing.
	* c-parser.c (c_parser_elem_fn_processor_attribute): Same change as the
	create_processor_attribute function.
	(c_parser_elem_fn_expr_list): Changed unmask to nomask.

2012-05-23  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cgraphunit.c (cgraph_decide_is_function_needed): Added a check for
	a cloned elemental function in the checking assert.
	* tree-inline.c (elem_fn_add_local_variables): Make vlength as an
	unused attribute.  Also stopped moving local variables to vector values.
	(elem_fn_copy_arguments_for_versioning): Added a bool called masked as
	a new parameter.  Also, added a masked parameter to the cloned function
	if this bool is set to true.  Also, stopped setting arguments to
	GIMPLE_REG.
	(initialize_elem_fn_cfun): New function.
	(tree_elem_fn_versioning): Removed several information pertaining to
	maintaining a CFG.  Also added a masked bool parameter to be passed into
	several local functions.  Called initialize_elem_fn_cfun function.
	* gimplify.c (gimplify_function_tree): Called function to create
	elemental function when the function is marked appropriately.
	* elem-function-common.c (find_processor_code): Moved function from
	elem-function.c.
	(find_vlength_code): Likewise.
	(rename_elem_fn): Likewise.
	(find_suffix): Likewise.
	(find_elem_fn_parm_type_1): Likewise.
	(find_elem_fn_parm_type): Likewise.
	(find_elem_fn_name): Likewise.
	(extract_elem_fn_values): Likewise.
	(is_elem_fn): Likewise.
	* elem-function.c (create_optimize_attribute): Changed sprintf to an
	if-statement.
	(find_suffix): Changed a string copy to string concatination.
	(replace_return_with_new_var): New function.
	(elem_fn_build_array): Likewise.
	(replace_array_ref_for_vec): Likewise.
	(fix_elem_fn_return_value): Likewise.
	(add_elem_fn_loop): Likewise.
	(add_elem_fn_mask): Likewise.
	(cg_hacks): Likewise.
	(elem_fn_create_fn): Likewise.
	* passes.c (init_optimization_passes): Removed elem_fn_pass.

2012-05-08  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk.c (expand_builtin_cilk_detach): Added mode type for
	plus_constant.

2012-05-07  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-parser.c (c_parser_declaration_or_fndef): Saved function arguments
	for an elemental function.
	* elem-function.c (find_elem_fn_parm_type_1): Added step-size parameter.
	(find_elem_fn_parm_type): Likewise.
	* tree-vect-stmts.c (vect_get_vec_def_for_operand): Added step-size
	support for linear clause.  Also called elem_fn_linear_init_vector for
	linear clause.
	(vectorizable_call): When linear clause is set, set the vector type to
	constant_def.
	(elem_fn_linear_init_vector): New function.
	* tree.c (build_elem_fn_linear_vector_from_val): Likewise.

2012-04-24  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* elem-function.c (find_elem_fn_param_type_1): New function.
	(find_elem_fn_param_type): Likewise.
	(find_elem_fn_name): Likewise.
	(is_elem_fn): Make it unstatic.
	* tree-data-ref.c (find_data_references_in_stmt): Added support for
	functions that can be made to elemental functions.
	* tree-vect-stmts.c (vect_get_vec_def_for_operand): Added a check for
	the parameters to see whether it is uniform, linear or neither.
	(vectorizable_function): Handled code to substitute regular function
	with the equivalent elemental function.
	(vectorizable_call): Set the function type for substituted elemental
	function.
	* tree.h (enum elem_fn_parm_type): New enum.

2012-04-20  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* final.c (rest_of_handle_final): Moved outputing ZCA data after
	assembling end function.

2012-04-16  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* elem-function.c (is_elem_fn): Changed the parameter type from a
	cgraph_node to tree of type function decl.
	(create_elem_vec_fn): Likewise.

2012-04-14  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cgraphunit.c (cgraph_add_new_function): Replaced cgraph_create_node
	with cgraph_get_create_node.
	* c-array-notation.c (find_rank): Changed a check for true to false.
	(fix_builtin_array_notation_fn): Changed a false parm to true.

2012-04-13  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cgraph.c (cgraph_add_new_function): Remove.
	* elem-function.c (is_elem_fn): Replaced all node->decl with
	node->symbol.decl.
	(create_elem_vec_fn): Likewise.
	(create_elem_fn_nodes): Replaced all calls for decl and externally
	visible from cgraph_node with cgraph_node->symbol.  Also removed
	TODO_dump_func.
	* cilk-low.c: Removed TODO_dump_func.

2012-04-10  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* elem-function.c (create_elem_vec_fn): Checked if function struct of
	decl is present.

2012-04-06  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-parser.c (c_parser_elem_fn_expr_list): Fixed a bug and consumed
	one token.

2012-04-05  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* config/i386/i386.c (type_natural_mode): Added a flag_enable_cilk
	check.
	(ix86_function_arg_boundary): Likewise.
	* expr.c (expand_expr_real_1): Likewise.
	* elem-function.c (create_processor_attribute): Added avx to target
	string.
	(create_elem_fn_nodes): called copy_node to new_decl's type.  Replaced
	tree_function_versioning call with tree_elem_fn_versioning.
	* tree-inline.c (elem_fn_add_local_variables): New function.
	(elem_fn_copy_arguments_for_versioning): Likewise.
	(tree_elem_fn_versioning): Likewise.

2012-03-20  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* elem-function.c (extract_elem_fn_values): Initialized proc_type field
	to NULL.

2012-03-19  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* elem-function.c (find_processor_code): Returned default value when
	no value is given.
	(find_vlength_code): Likewise.

2012-03-18  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notation.c (expand_array_notation_exprs): New function.
	(fix_array_notation_call_expr): Likewise.
	* c-parser.c (c_parser_compound_statement): Added a check for array
	notation exprs.
	(c_parser_expr_no_commas): Removed call to fix_array_notation_expr.

2012-03-17  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk-spawn.c (extract_free_variables): Removed TREE_VECTOR_CST_ELTS
	with a combination of VECTOR_CST_NELTS and VECTOR_CST_ELT.
	* pragma-simd.c (find_var_decl): Likewise.
	(change_var_decl): Likewise.

2012-03-16  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk-spawn.c (cilk_valid_spawn): Unwrapped the call_expr from expr
	and cleanup point statements.
	(gimplify_cilk_spawn): Likewise.
	* function.c (allocate_struct_function): Initialized calls_spawns
	correctly.
	* tree.h: Removed cilk_hyper_flag and replaced with cilk_has_spawn.
	Also added DECL_HAS_SPAWN_P and removed DECL_HYPER_LOOKUP_P.

2012-03-12  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-typeck.c (convert_arguments): Added array notation check for
	funtion values.
	* c-array-notation.c (extract_array_notation_exprs): Handled TREE_LIST.

2012-03-11  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* attribs.c (decl_attributes): Concatinated existing attributes with
	vector attributes.
	* c-decl.c (bind): Added a check if scope is not null.
	* elem-function.c (rename_elm_fn): New function.
	(is_elem_fn): Likewise.
	(find_processor_code): Likewise.
	(find_vlength_code): Likewise.
	(create_processor_attribute): Likewise.
	(create_optimize_attribute): Likewise.
	(find_suffix): Likewise.
	(create_elem_fn_nodes): Likewise.
	(extract_elem_fn_values): Likewise.
	(create_elem_vec_fn): Likewise.
	* passes.c (init_optimization_passes): Added elemental function pass.

2012-03-09  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* attribs.c (decl_attributes): Added a check for elemental function
	attribute.
	(is_elem_fn_attribute_p): New function.
	* c-parser.c (c_parser_attributes): Added a check for vector attribute.
	(c_parser_elem_fn_processor_clause): New function.
	(c_parser_elem_fn_uniform_clause): Likewise.
	(c_parser_elem_fn_linear_clause): Likewise.
	(c_parser_elem_fn_vlength_clause): Likewise.
	(c_parser_elem_fn_expr_list): Likewise.

2012-02-15  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk.c (cilk_fix_stack_reg): New function.
	(expand_buitin_cilk_metadata): Added a check for memory type rtx and do
	a call to the cilk_fix_reg_stack function.

2012-02-14  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notation.c (contains_array_notation_exprs): Added a check
	for NULL expr.

2012-02-13  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notation.c (fix_builtin_array_notation_fn): Added a
	REDUCE_ANY_NONZEROS, REDUCE_ALL_NONZEROS and REDUCE_CUSTOM case.
	(is_builtin_array_notation_fn): Replaced all occurances of "zeros" in
	string with "zero."  Also, added a case for REDUCE_ALL_ZEROS and
	REDUCE_ALL_NONZEROS and REDUCE_CUSTOM.
	* array-notation-common.c (array_notation_init_builtins): Likewise.
	(is_sec_implicit_index_fn): Added a check for FUNCTION_DECL.
	* tree.h: Added REDUCE_ANY_NONZEROS and REDUCE_ALL_NONZEROS into enum.
	* c-typeck.c (convert_arguments): Added a check for array notation in
	the function decl.

2012-01-31  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notation.c (build_array_notation_expr): Added another
	dimension to lhs variables to handle gather scatter of array notations.

2012-01-26  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notation.c (fix_builtin_array_notation_fn): Initialized the
	maximum/minimum value for max/min index builtin function.

2012-01-26  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* array-notation-common.c (array_notation_init_builtins): Added the
	internal array notation function "__sec_reduce_implicit_index."
	(is_sec_implicit_index_fn): New function.
	(extract_sec_implicit_index_arg): Likewise.
	* c-array-notation.c (extract_array_notation_exprs): Added a check to
	see if we encountered sec_implicit_index function.
	(replace_array_notations): Likewise.
	(build_array_notation_expr): Likewise.

2012-01-25  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notation.c (replace_array_notations): Added a new bool as
	parameter and added support for it.
	(find_rank): Likewise.
	(extract_array_notation_exprs): Likewise.
	(replace_array_notations): Likewise.
	(max): New function.
	(fix_builtin_array_notation_fn): Likewise.
	(is_builtin_array_notation_fn): Likewise.
	(contains_array_notation_expr): Likewise.
	(build_array_notation_expr): Added support for builtin function.
	Changed all for-loops that have comparison with lhs_rank, with
	max (lhs_rank and rhs_rank).  Also added a check if array_expr_lhs is
	NULL, then we set that equal to lhs.
	* c-parser.c (c_parser_expr_no_commas): Added support for array
	notations inside function calls (i.e. function that takes array notation
	as input and returns a scalar value).
	* c-typeck.c (convert_arguments): If array notation is present inside
	a function call, then we skip it for now since we will fix it up in a
	later step.

2012-01-20  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* Makefile.in: Added array-notation-common.c file for compilation.
	* array-notation-common.c (mark_cold): New function.
	(array_notation_init_builtins): Likewise.
	* tree.h: Added a new enum list called "array_notation_reduce_type."
	
2012-01-16  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk.c (cilk_remove_annotated_functions): Added a int cast for
	VEC_length in for-loop condition.

2011-12-25  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notations.c (find_rank): Added a check for CALL_EXPR and
	AGGR_INIT_EXPR.
	(extract_array_notation_exprs): Likewise.
	(replace_array_notations): Likewise.
	(build_array_notation_expr): Changed variable from ii to jj.
	(fix_array_notation_expr): Moved default_function_array_read_conversion
	into if and else-if to handle function call case.
	* c-parser.c (c_parser_expr_no_commas): Added a check for CALL_EXPR.

2011-12-24  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notations.c (fix_array_notation_expr): New function.
	(fix_conditional_array_notations_1): Fixed a bug, by changing greater
	than to less-than.
	* c-parser.c (c_parser_unary_expression): Added support to handle
	array notations in unary operations.
	(c_parser_postfix_expression_after_primary): Likewise.

2011-12-23  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notations.c (fix_conditional_array_notations): New function.
	(fix_conditional_array_notations_1): Likewise.
	(extract_array_notation_exprs): Added a check for STATEMENT_LIST.
	(replace_array_notations): Likewise.
	* c-parser.c (c_parser_if_statement): Added a call to the function
	fix_conditional_array_notations.  Also stored the compound statement
	to a variable to be passed  into fix_conditional_array_notations.

2011-12-22  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-typeck.c (find_rank): Moved function to c-array-notations.c
	(build_array_notation_expr): Likewise.  Also added support for a
	polynomial right-hand-size expression.
	(replace_array_notations): New function.
	(extract_array_notation_exprs): New function.

2011-12-16  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-typeck.c (find_rank): Modified to find rank of array notation
	inside expressions such as PLUS_EXPR.
	(build_array_notation_expr): Added support for N-Diamension array
	notation.

2011-12-09  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-typeck.c (build_array_notation_expr): New function.
	* c-parser.c (c_parser_array_notation): Likewise.
	(c_parser_array_notation): Likewise.
	(c_parser_expr_no_commas): Added if statement to handle ARRAY_NOTATION.
	(c_parser_postfix_expression_after_primary): Added a check to see
	if ARRAY NOTATION was used, and if so then added appropriate code to
	handle it.
	* gimplify.c (gimplify_expr): Added a case for ARRAY_NOTATION_REF.
	* tree.def (ARRAY_NOTATION_REF): New tree-type for array_notation.
	* tree.h (ARRAY_NOTATION_CHECK): New define for ARRAY_NOTATION TREE
	(ARRAY_NOTATION_ARRAY): Likewise.
	(ARRAY_NOTATION_START): Likewise.
	(ARRAY_NOTATION_END): Likewise.
	(ARRAY_NOTATION_STRIDE): Likewise.
	(ARRAY_NOTATION_TYPE): Likewise.
	* tree-vectorizer.c (vectorize_loops): Added the function call
	optimize_loop_nest_for_speed_p () into the if-loop.

2011-12-02  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk.c (create_metadata_label): Make notes instead of CODE_LABEL.
	(delete_zca_list): New function.
	(cilk_output_metadata): Called delete_zca_list().
	* final.c (rest_of_handle_final): Added a call for
	cilk_output_metadata.
	* toplev.c (compile_file): Removed call for cilk_output_metadata.

2011-12-02  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* builtin.c (expand_builtin): Added support for NOTIFY_INTRINSIC and
	NOTIFY_ZC_INTRINSIC.
	* builtins.def: Likewise.
	* cilk.h: Likewise.
	* cilk.c (cilk_annotated_function_p): Likewise.
	(cilk_init_builtins): Likewise.  Also, removed underscores
	from cilk_spawn_prepare and cilk_spawn_or_continue function declaration.
	(zca_stack): Changed a stack-based implementation to a linked-list
	based implementation.
	(insert_into_zca_list): Likewise.
	(find_zca_data): Likewise.
	(get_zca_entry): Likewise.
	(get_zca_string_table_size): Likewise.
	(output_zca_table): Likewise.
	(output_expr_table): Likewise.
	(cilk_remove_annotated_functions): Likewise.
	* dwarf2out.c (dwarf2out_var_location): Make early return if cilk is
	enabled.
	* function.h (struct function): Added calls_notify_intrinsic field.
	* sched-rgn.c (schedule_insns): Check if cilk is enabled along with
	whether the notify_intrinsic is used in function.

2011-12-02  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk.c (cilk_init_builtins): Removed prefixing undescores from
	cilk_spawn_prepare and cilk_spawn_or_continue.
	(get_zca_table_size): Added 1 to length of string.
	(output_zca_section): Likewise.
	(cilk_output_metadata): Added a '0' to indicate end of string.  Also
	removed 'w' from the section type.  Finally, changed the entry count
	size from 4 to 2.
	(expand_builtin_cilk_metadata): Flipped the bytes of dwarf_expr in two
	places.
	(output_string_table): Removed unnecessary curly braces.
	(cilk_remove_annotated_functions): Likewise.
	* dwarf2out.c (dwarf2out_var_location): Make early return if cilk is
	enabled.

2011-11-11  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* opts.c: Removed the CILKPLUS_IMPLEMENTED macro and the #ifdef and
	#ifndefs that uses this macro.

2011-11-11  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk-spawn.c (wrapper_parm_cb): Changed a const tree cast
	to (tree *).
	(for_local_cb): Likewise.
	(wrapper_local_cb): Likewise.

2011-10-22  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk.c (install_builtin): Changed implicit_built_in_decls[] to
	set_builtin_decl ().
	(cilk_call_setjmp): Replaced implicit_built_in_decls[] to
	builtin_decl_implicit ().

2011-10-18  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* builtins.def: Removed duplicate disable_instrumentation call.
	* cilk-spawn.c (cg_hacks): Set the "is_cilk_helper_function" flag.
	* cilk.c: Added new vector called zca_stack.
	(cilk_init_builtins): Removed underscores from zca functions.
	(create_metadata_label): New function.
	(get_zca_entry_count): Likewise.
	(get_zca_string_table_size): Likewise.
	(get_zca_exprs_table_size): Likewise.
	(output_zca_table): Likewise.
	(output_string_table): Likewise.
	(output_expr_table): Likewise.
	(cilk_output_metadata): Likewise.
	(expand_builtin_cilk_metadata): Likewise.
	(cilk_annotated_function_p): Likewise.
	(cilk_remove_annotated_function): Likewise.
	* cilk.h (ZCA_MAJOR_VER_NUMBER): New define.
	(ZCA_MINOR_VER_NUMBER): Likewise.
	(struct zca_data_t): Added new data structure.
	(expand_builtin_cilk_metadata): New function declaration.
	(cilk_output_metadata): Likewise.
	(cilk_remove_annotated_functions): Likewise.
	(cilk_annotated_function_p): Likewise.
	* dwarf2out.c (loc_descriptor): Made this function universal, that is,
	non-static.
	* dwarf2out.h: Added a prototype for loc_descriptor().
	* final.c (final): Added a call to cilk_remove_annotated_functions().
	* function.h (struct function): Added is_cilk_helper_function variable.
	* sched-rgn.c (schedule_insns): Added a check to see if we are inside
	cilk_helper.
	* toplev.c (compile_file): Added a call to cilk_output_metadata().

2011-10-17  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* builtin.c (expand_builtin): Added case statements for ZCA
	annotation functions support.
	* cilk.c (get_zca_exprs_table_size): New function for ZCA support.
	(output_zca_table): Likewise.
	(output_string_table): Likewise.
	(output_expr_table): Likewise.
	(cilk_output_metadata): Likewise.
	* cilk.h: Added function declarations for the newly added function in
	cilk.c.  Also added zca_data structure and zca_data stack.
	* toplev.c (compile_file): Added a call to cilk_output_metadata.

2011-10-06  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-decl.c (c_make_cilk_frame): Added cilk_enter_begin and
	cilk_enter_end function calls into spawn expansion.
	* cilk-spawn.c (install_body_with_frame_cleanup): Added
	cilk_enter_help_begin and cilk_enter_end function calls into spawn
	expansion.
	(gimplify_cilk_spawn): Inserted cilk_spawn_prepare and
	cilk_spawn_or_continue function calls into spawn expansion.
	* cilk.c (build_cilk_function_exit): Added cilk_leave_begin and
	cilk_leave_end function calls into spawn expansion.
	(build_cilk_sync): Added sync_begin and sync_end function calls into
	sync expansion.
	* gimplify.c (gimplify_call_expr): Added detach_begin and detach_end
	before calling cilkrts_detach.

2011-10-04  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cilk.c (cilk_init_builtins): Added Cilkscreen builtin function
	declarations.
	* builtins.def: Added Cilkscreen builtin functions expand tags.
	* cilk.h: Added Cilkscreen builtin functions in the cilk_trees chain.

2011-09-20  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* ipa-inline.c(can_inline_edge_p): Added a check for function
	that spawns.
	* ipa-inline-analysis.c (initialize_inline_failed): Likewise.

2011-09-09  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* tree.c (walk_tree_1): Handled the "cilk_for" case.
	* tree.h (CILK_FOR_VAR): Use 5 instead of 4 as TREE_OPERAND
	argument.

2011-09-09  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* pragma_simd.c: Added the standard GCC header.

2011-09-08  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* gimplify.c (gimplify_call_expr): Removed if (SPAWN_CALL_P (*expr))
	statement.

2011-09-06  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* cppbuiltin.c (define_builtin_macros_for_compliation_flags): Added
	the __cilk keyword and set it to 200.

2011-08-08 Balaji V. Iyer    <balaji.v.iyer@intel.com>

	* c-parser.c (c_parse_init): Added if statement to check if
	flag_enable_cilk is turned off. If so, then or D_CILK mask with mask.
	(c_parser_cilk_for_statement): Added new function
	(c_parser_cilk_grainsize): Likewise.
	(c_parser_simd_linear): Likewise.
	(c_parser_simd_private): Likewise.
	(c_parser_simd_assert):  Likewise.
	(c_parser_simd_vectorlength): Likewise.
	(c_parser_simd_reduction): Likewise.
	(c_parser_statement_after_labels): Added new case labels to handle
	RID_CILK_FOR and RID_CILK_SYNC.
	* c-typeck.c (c_finish_bc_stmt): Added "case 2" to check to see if
	there are break statements inside a cilk_for loop.
	(c_finish_cilk_loop): Added new function.
	(c_build_sync): Likewise.
	(c_calls_spawns): Likewise.
	* cilk.c: New file.
	* cilk.h: Likewise.
	* cilk-spawn.c: Likewise.
	* function.h (struct GTY(()) function): Added "cilk_frame_decl" and
	"is_cilk_function" elements into this structure.
	* gimplify.c (gimplify_call_expr): Added code to check if (is_detach)
	is set.  If so, then output the appropriate code for detach expression.
	Also, output appropriate code for pop_frame operation.
	(gimplify_expr): Check if a valid found is encountered.  If found,
	then do "cilk_gimplify_spawn" on the expression.
	(gimplify_expr): Added case statements for CILK_FOR_STMT and
	SYNC_STMT.
	* Make-lang.in: Added the newly added files into the compiliation list.
	* Makefile.in: Added cilk files to compile with the gcc files.
	* pragma_simd.c: New file.
	* passes.c(init_optimization_passes): Added NEXT_PASS(pass_expand_cilk)
	* tree-pretty-print.c (dump_generic_node): Added a new case statement
	SYNC_STMT, CILK_FOR_STMT, to print a cilk_for and sync statement.
	* tree.h (struct GTY(()) tree base): Added "is_cilk_spawn" element into
	structure. Also added "pragma_simd_index" element into this structure.
	(SPAWN_CALL_P, SPAWN_DETACH_POINT, DECL_DETACHES_P, DECL_SET_KNOT):
	New defines.
	(CILK_KNOT_NONE, CILK_KNOT_SPAWN, CILK_KNOT_SYNC, CILK_KNOT_FLUSH):
	Likewise.
	(struct GTY(()) tree_function_decl): Added "cilk_knot_type" and
	"cilk_hyper_flag" into this structure.
	(FOR_STMT_CHECK2): Added new define to check if it is for or cilk_for.
	(FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): New defines.
	(CILK_FOR_VAR, CILK_FOR_INIT, CILK_FOR_GRAIN): Likewise.
	(INVALID_PRAGMA_SIMD_SLOT): Likewise.
	(enum pragma_simd_kind) : Newly added enum to hold different pragma
	simd clauses.
	(struct reduction values): New structure to hold #pragma simd reduction
	information.
	(struct pragma_simd_values): Structure to hold pragma simd clause
	values.
	(PRAGMA_SIMD_INDEX): New define.
	(LABEL_EXPR_PRAGMA_SIMD_INDEX): Likewise.
	(struct GTY(()) tree_label_decl): Added new variable
	"pragma_simd_index"
	* tree-inline.c (struct copy_body_data): Added remap_var_for_cilk
	variable.
	* tree-vect-loop.c (vect_determine_vectorization_factor): Added if
	statements in multiple locations to check if flag enable cilk is
	enabled and if pragma simd assert is requested. If so, then print
	appropriate error message.