/* Finalize machine-dependent scheduling code. */
void (* md_finish) (FILE *, int);
- /* Initialize machine-dependent function while scheduling code. */
+ /* Initialize machine-dependent function wide scheduling code. */
void (* md_init_global) (FILE *, int, int);
/* Finalize machine-dependent function wide scheduling code. */
second insn (second parameter). */
bool (* is_costly_dependence) (struct _dep *_dep, int, int);
+ /* Given the current cost, COST, of an insn, INSN, calculate and
+ return a new cost based on its relationship to DEP_INSN through the
+ dependence of type DEP_TYPE. The default is to make no adjustment. */
+ int (* adjust_cost_2) (rtx insn, int, rtx dep_insn, int cost, int dw);
+
/* The following member value is a pointer to a function called
by the insn scheduler. This hook is called to notify the backend
that new instructions were emitted. */
void (* h_i_d_extended) (void);
-
+
+ /* Next 5 functions are for multi-point scheduling. */
+
+ /* Allocate memory for scheduler context. */
+ void *(* alloc_sched_context) (void);
+
+ /* Fills the context from the local machine scheduler context. */
+ void (* init_sched_context) (void *, bool);
+
+ /* Sets local machine scheduler context to a saved value. */
+ void (* set_sched_context) (void *);
+
+ /* Clears a scheduler context so it becomes like after init. */
+ void (* clear_sched_context) (void *);
+
+ /* Frees the scheduler context. */
+ void (* free_sched_context) (void *);
+
/* The following member value is a pointer to a function called
by the insn scheduler.
The first parameter is an instruction, the second parameter is the type
/* The following member value is a pointer to a function called
by the insn scheduler. It should return true if the check instruction
- corresponding to the instruction passed as the parameter needs a
- recovery block. */
- bool (* needs_block_p) (const_rtx);
+ passed as the parameter needs a recovery block. */
+ bool (* needs_block_p) (int);
/* The following member value is a pointer to a function called
by the insn scheduler. It should return a pattern for the check
simple check). If the mutation of the check is requested (e.g. from
ld.c to chk.a), the third parameter is true - in this case the first
parameter is the previous check. */
- rtx (* gen_check) (rtx, rtx, bool);
+ rtx (* gen_spec_check) (rtx, rtx, int);
/* The following member value is a pointer to a function controlling
what insns from the ready insn queue will be considered for the
The parameter is a pointer to spec_info variable. */
void (* set_sched_flags) (struct spec_info_def *);
+ /* Return speculation types of the instruction passed as the parameter. */
+ int (* get_insn_spec_ds) (rtx);
+
+ /* Return speculation types that are checked for the instruction passed as
+ the parameter. */
+ int (* get_insn_checked_ds) (rtx);
+
+ /* Return bool if rtx scanning should just skip current layer and
+ advance to the inner rtxes. */
+ bool (* skip_rtx_p) (const_rtx);
+
/* The following member value is a pointer to a function that provides
information about the target resource-based lower bound which is
used by the swing modulo scheduler. The parameter is a pointer
/* Return true if vector alignment is reachable (by peeling N
iterations) for the given type. */
bool (* vector_alignment_reachable) (const_tree, bool);
- } vectorize;
+
+ /* Target builtin that implements vector permute. */
+ tree (* builtin_vec_perm) (tree, tree*);
+} vectorize;
/* The initial value of target_flags. */
int default_target_flags;
scanned. In either case, *TOTAL contains the cost result. */
/* Note that CODE and OUTER_CODE ought to be RTX_CODE, but that's
not necessarily defined at this point. */
- bool (* rtx_costs) (rtx x, int code, int outer_code, int *total);
+ bool (* rtx_costs) (rtx x, int code, int outer_code, int *total, bool speed);
/* Compute the cost of X, used as an address. Never called with
invalid addresses. */
- int (* address_cost) (rtx x);
+ int (* address_cost) (rtx x, bool speed);
/* Return where to allocate pseudo for a given hard register initial
value. */
current function. */
rtx (*internal_arg_pointer) (void);
+ /* Update the current function stack boundary if needed. */
+ void (*update_stack_boundary) (void);
+
+ /* Handle stack alignment and return an rtx for Dynamic Realign
+ Argument Pointer if necessary. */
+ rtx (*get_drap_rtx) (void);
+
/* Return true if all function parameters should be spilled to the
stack. */
bool (*allocate_stack_slots_for_args) (void);
is not permitted on TYPE1 and TYPE2, NULL otherwise. */
const char *(*invalid_binary_op) (int op, const_tree type1, const_tree type2);
+ /* Return the array of IRA cover classes for the current target. */
+ const enum reg_class *(*ira_cover_classes) (void);
+
/* Return the class for a secondary reload, and fill in extra information. */
enum reg_class (*secondary_reload) (bool, rtx, enum reg_class,
enum machine_mode,
void (*print) (FILE *, int, struct cl_target_option *);
/* Function to parse arguments to be validated for #pragma option, and to
- change the state if the options are valid. If the arguments are NULL,
- use the default target options. Return true if the options are valid,
- and set the current state. */
- bool (*pragma_parse) (tree);
+ change the state if the options are valid. If the first argument is
+ NULL, the second argument specifies the default options to use. Return
+ true if the options are valid, and set the current state. */
+ bool (*pragma_parse) (tree, tree);
/* Function to determine if one function can inline another function. */
bool (*can_inline_p) (tree, tree);
-
- /* Whether the cold attribute changes the optimization level. */
- bool cold_attribute_sets_optimization;
-
- /* Whether the hot attribute changes the optimization level. */
- bool hot_attribute_sets_optimization;
} target_option;
/* For targets that need to mark extra registers as live on entry to