X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbearch.h;h=0ad5503647a27b596c0294ab39bddccf0f397de5;hb=3dc38f8f23569593c030b85e83ecd9174a95bc73;hp=2871c62fb3d2c6ccff48f85d1a5852caeeb276ba;hpb=51013d7293eada3d9861d72df4a6d1b8265ddb02;p=libfirm diff --git a/ir/be/bearch.h b/ir/be/bearch.h index 2871c62fb..0ad550364 100644 --- a/ir/be/bearch.h +++ b/ir/be/bearch.h @@ -3,30 +3,30 @@ #include "firm_config.h" -#ifdef WITH_LIBCORE -#include -#endif - #include "firm_types.h" #include "bitset.h" #include "belistsched.h" +#include "beilpsched.h" #include "beabi_t.h" #include "bearch_t.h" #include "be_t.h" - -struct _be_node_factory_t; +#include "bemachine.h" +#include "beirg.h" typedef enum _arch_register_type_t { - arch_register_type_none = 0, - arch_register_type_caller_save = 1, /**< The register must be saved by the caller - upon a function call. It thus can be overwritten - in the called function. */ - arch_register_type_callee_save = 2, /**< The register must be saved by the caller - upon a function call. It thus can be overwritten - in the called function. */ - arch_register_type_ignore = 4, /**< Do not consider this register when allocating. */ + arch_register_type_none = 0, + arch_register_type_caller_save = 1, /**< The register must be saved by the caller + upon a function call. It thus can be overwritten + in the called function. */ + arch_register_type_callee_save = 2, /**< The register must be saved by the caller + upon a function call. It thus can be overwritten + in the called function. */ + arch_register_type_ignore = 4, /**< Do not consider this register when allocating. */ + arch_register_type_joker = 8, /**< The emitter can choose an arbitrary register */ + arch_register_type_virtual = 16, /**< This is just a virtual register */ + arch_register_type_state = 32, } arch_register_type_t; /** @@ -42,37 +42,42 @@ typedef enum _arch_register_type_t { * A register. */ struct _arch_register_t { - const char *name; /**< The name of the register. */ - const arch_register_class_t *reg_class; /**< The class the register belongs to. */ - int index; /**< The index of the register in the class. */ - arch_register_type_t type; /**< The type of the register. */ - void *data; /**< Custom data. */ + const char *name; /**< The name of the register. */ + const arch_register_class_t *reg_class; /**< The class the register belongs to. */ + int index; /**< The index of the register in the class. */ + arch_register_type_t type; /**< The type of the register. */ + void *data; /**< Custom data. */ }; static INLINE const arch_register_class_t * _arch_register_get_class(const arch_register_t *reg) { - return reg->reg_class; + return reg->reg_class; } static INLINE int _arch_register_get_index(const arch_register_t *reg) { - return reg->index; + return reg->index; +} + +static INLINE const char *_arch_register_get_name(const arch_register_t *reg) +{ + return reg->name; } #define arch_register_get_class(reg) _arch_register_get_class(reg) #define arch_register_get_index(reg) _arch_register_get_index(reg) -#define arch_register_get_name(reg) ((reg)->name) +#define arch_register_get_name(reg) _arch_register_get_name(reg) /** * A class of registers. * Like general purpose or floating point. */ struct _arch_register_class_t { - const char *name; /**< The name of the register class. */ - int n_regs; /**< Number of registers in this class. */ - ir_mode *mode; /**< The mode of the register class. */ - const arch_register_t *regs; /**< The array of registers. */ + const char *name; /**< The name of the register class. */ + int n_regs; /**< Number of registers in this class. */ + ir_mode *mode; /**< The mode of the register class. */ + const arch_register_t *regs; /**< The array of registers. */ }; /** return the number of registers in this register class */ @@ -81,6 +86,9 @@ struct _arch_register_class_t { /** return the largest mode of this register class */ #define arch_register_class_mode(cls) ((cls)->mode) +/** return the name of this register class */ +#define arch_register_class_name(cls) ((cls)->name) + /** * Put all registers in a class into a bitset. * @param cls The class. @@ -92,42 +100,32 @@ extern int arch_register_class_put(const arch_register_class_t *cls, bitset_t *b static INLINE const arch_register_t * _arch_register_for_index(const arch_register_class_t *cls, int idx) { - assert(0 <= idx && idx < cls->n_regs); - return &cls->regs[idx]; + assert(0 <= idx && idx < cls->n_regs); + return &cls->regs[idx]; } #define arch_register_for_index(cls, idx) \ _arch_register_for_index(cls, idx) typedef enum _arch_operand_type_t { - arch_operand_type_invalid, - arch_operand_type_memory, - arch_operand_type_register, - arch_operand_type_immediate, - arch_operand_type_symconst, - arch_operand_type_last + arch_operand_type_invalid, + arch_operand_type_memory, + arch_operand_type_register, + arch_operand_type_immediate, + arch_operand_type_symconst, + arch_operand_type_last } arch_operand_type_t; /** * Different types of register allocation requirements. */ typedef enum _arch_register_req_type_t { - arch_register_req_type_none = 0, /**< No register requirement. */ - - arch_register_req_type_normal = 1, /**< All registers in the class - are allowed. */ - - arch_register_req_type_limited = 2, /**< Only a real subset of - the class is allowed. */ - - arch_register_req_type_should_be_same = 4, /**< The register should be equal - another one at the node. */ - - arch_register_req_type_should_be_different = 8, /**< The register must be unequal - to some other at the node. */ - - arch_register_req_type_should_be_different_from_all = 16, /**< The register must be different from - all in's at the node */ + arch_register_req_type_none = 0, /**< No register requirement. */ + arch_register_req_type_normal = 1, /**< All registers in the class are allowed. */ + arch_register_req_type_limited = 2, /**< Only a real subset of the class is allowed. */ + arch_register_req_type_should_be_same = 4, /**< The register should be equal another one at the node. */ + arch_register_req_type_should_be_different = 8, /**< The register must be unequal to some other at the node. */ + arch_register_req_type_should_be_different_from_all = 16, /**< The register must be different from all in's at the node */ } arch_register_req_type_t; /** @@ -143,26 +141,20 @@ typedef enum _arch_register_req_type_t { * Expresses requirements to register allocation for an operand. */ typedef struct _arch_register_req_t { - arch_register_req_type_t type; /**< The type of the constraint. */ - const arch_register_class_t *cls; /**< The register class this constraint belongs to. */ + arch_register_req_type_t type; /**< The type of the constraint. */ + const arch_register_class_t *cls; /**< The register class this constraint belongs to. */ - void (*limited)(void *limited_env, bitset_t *bs); - /**< In case of the 'limited' - constraint, this function - must put all allowable - registers in the bitset and - return the number of registers - in the bitset. */ + const unsigned *limited; /**< allowed register bitset */ - void *limited_env; /**< This must passed to limited. */ - - ir_node *other_same; /**< The other which shall have the same reg - as this one. (for case should_be_same). */ - - ir_node *other_different; /**< The other node from which this one's register - must be different (case must_be_different). */ + int other_same; /**< The in number which shall have + the same res (should_be_same)*/ + int other_different; /**< The other node from which this + one's register must be different + (case must_be_different). */ } arch_register_req_t; +extern const arch_register_req_t *arch_no_register_req; + /** * Format a register requirements information into a string. * @param buf The string where to put it to. @@ -170,24 +162,24 @@ typedef struct _arch_register_req_t { * @param req The requirements structure to format. * @return A pointer to buf. */ -extern char *arch_register_req_format(char *buf, size_t len, const arch_register_req_t *req); +extern char *arch_register_req_format(char *buf, size_t len, const arch_register_req_t *req, const ir_node *node); /** * Certain node classes which are relevant for the register allocator. */ typedef enum _arch_irn_class_t { - arch_irn_class_normal = 1 << 0, - arch_irn_class_spill = 1 << 1, - arch_irn_class_reload = 1 << 2, - arch_irn_class_copy = 1 << 3, - arch_irn_class_perm = 1 << 4, - arch_irn_class_branch = 1 << 5, - arch_irn_class_call = 1 << 6, - arch_irn_class_const = 1 << 7, - arch_irn_class_load = 1 << 8, - arch_irn_class_store = 1 << 9, - arch_irn_class_stackparam = 1 << 10, + arch_irn_class_normal = 1 << 0, + arch_irn_class_spill = 1 << 1, + arch_irn_class_reload = 1 << 2, + arch_irn_class_copy = 1 << 3, + arch_irn_class_perm = 1 << 4, + arch_irn_class_branch = 1 << 5, + arch_irn_class_call = 1 << 6, + arch_irn_class_const = 1 << 7, + arch_irn_class_load = 1 << 8, + arch_irn_class_store = 1 << 9, + arch_irn_class_stackparam = 1 << 10, } arch_irn_class_t; /** @@ -225,134 +217,134 @@ extern const char *arch_irn_flag_str(arch_irn_flags_t flag); struct _arch_irn_ops_if_t { - /** - * Get the register requirements for a given operand. - * @param self The self pointer. - * @param irn The node. - * @param pos The operand's position - * (-1 for the result of the node, 0..n for the input - * operands). - * @return The register requirements for the selected operand. - * The pointer returned is never NULL. - */ - const arch_register_req_t *(*get_irn_reg_req)(const void *self, - arch_register_req_t *req, const ir_node *irn, int pos); + /** + * Get the register requirements for a given operand. + * @param self The self pointer. + * @param irn The node. + * @param pos The operand's position + * (-1 for the result of the node, 0..n for the input operands). + * @return The register requirements for the selected operand. + * The pointer returned is never NULL. + */ + const arch_register_req_t *(*get_irn_reg_req)(const void *self, + const ir_node *irn, int pos); - /** - * Set the register for an output operand. - * @param irn The node. - * @param reg The register allocated to that operand. - * @note If the operand is not a register operand, - * the call is ignored. - */ - void (*set_irn_reg)(const void *self, ir_node *irn, const arch_register_t *reg); + /** + * Set the register for an output operand. + * @param irn The node. + * @param reg The register allocated to that operand. + * @note If the operand is not a register operand, + * the call is ignored. + */ + void (*set_irn_reg)(const void *self, ir_node *irn, const arch_register_t *reg); - /** - * Get the register allocated for an output operand. - * @param irn The node. - * @return The register allocated at that operand. NULL, if - * the operand was no register operand or - * @c arch_register_invalid, if no register has yet been - * allocated for this node. - */ - const arch_register_t *(*get_irn_reg)(const void *self, const ir_node *irn); + /** + * Get the register allocated for an output operand. + * @param irn The node. + * @return The register allocated at that operand. NULL, if + * the operand was no register operand or + * @c arch_register_invalid, if no register has yet been + * allocated for this node. + */ + const arch_register_t *(*get_irn_reg)(const void *self, const ir_node *irn); - /** - * Classify the node. - * @param irn The node. - * @return A classification. - */ - arch_irn_class_t (*classify)(const void *self, const ir_node *irn); + /** + * Classify the node. + * @param irn The node. + * @return A classification. + */ + arch_irn_class_t (*classify)(const void *self, const ir_node *irn); - /** - * Get the flags of a node. - * @param self The irn ops themselves. - * @param irn The node. - * @return A set of flags. - */ - arch_irn_flags_t (*get_flags)(const void *self, const ir_node *irn); + /** + * Get the flags of a node. + * @param self The irn ops themselves. + * @param irn The node. + * @return A set of flags. + */ + arch_irn_flags_t (*get_flags)(const void *self, const ir_node *irn); - /** - * Get the entity on the stack frame this node depends on. - * @param self The this pointer. - * @param irn The node in question. - * @return The entity on the stack frame or NULL, if the node does not has a stack frame entity. - */ - entity *(*get_frame_entity)(const void *self, const ir_node *irn); + /** + * Get the entity on the stack frame this node depends on. + * @param self The this pointer. + * @param irn The node in question. + * @return The entity on the stack frame or NULL, if the node does not have a + * stack frame entity. + */ + ir_entity *(*get_frame_entity)(const void *self, const ir_node *irn); - /** - * Set the entity on the stack frame this node depends on. - * @param self The this pointer. - * @param irn The node in question. - * @param ent The entity to set - */ - void (*set_frame_entity)(const void *self, ir_node *irn, entity *ent); + /** + * Set the entity on the stack frame this node depends on. + * @param self The this pointer. + * @param irn The node in question. + * @param ent The entity to set + */ + void (*set_frame_entity)(const void *self, ir_node *irn, ir_entity *ent); - /** - * Set the offset of a node carrying an entity on the stack frame. - * @param self The this pointer. - * @param irn The node. - * @param offset The offset of the node's stack frame entity. - */ - void (*set_frame_offset)(const void *self, ir_node *irn, int offset); + /** + * Set the offset of a node carrying an entity on the stack frame. + * @param self The this pointer. + * @param irn The node. + * @param offset The offset of the node's stack frame entity. + */ + void (*set_frame_offset)(const void *self, ir_node *irn, int offset); - /** - * Returns the delta of the stackpointer for nodes that increment or - * decrement the stackpointer with a constant value. (push, pop - * nodes on most architectures). - * A positive value stands for an expanding stack area, a negative value for - * a shrinking one. - * - * @param self The this pointer - * @param irn The node - * @return 0 if the stackpointer is not modified with a constant - * value, otherwise the increment/decrement value - */ - int (*get_sp_bias)(const void *self, const ir_node *irn); + /** + * Returns the delta of the stackpointer for nodes that increment or + * decrement the stackpointer with a constant value. (push, pop + * nodes on most architectures). + * A positive value stands for an expanding stack area, a negative value for + * a shrinking one. + * + * @param self The this pointer + * @param irn The node + * @return 0 if the stackpointer is not modified with a constant + * value, otherwise the increment/decrement value + */ + int (*get_sp_bias)(const void *self, const ir_node *irn); - /** - * Returns an inverse operation which yields the i-th argument - * of the given node as result. - * - * @param self The this pointer. - * @param irn The original operation - * @param i Index of the argument we want the inverse operation to yield - * @param inverse struct to be filled with the resulting inverse op - * @param obstack The obstack to use for allocation of the returned nodes array - * @return The inverse operation or NULL if operation invertible - */ - arch_inverse_t *(*get_inverse)(const void *self, const ir_node *irn, int i, arch_inverse_t *inverse, struct obstack *obstack); + /** + * Returns an inverse operation which yields the i-th argument + * of the given node as result. + * + * @param self The this pointer. + * @param irn The original operation + * @param i Index of the argument we want the inverse operation to yield + * @param inverse struct to be filled with the resulting inverse op + * @param obstack The obstack to use for allocation of the returned nodes array + * @return The inverse operation or NULL if operation invertible + */ + arch_inverse_t *(*get_inverse)(const void *self, const ir_node *irn, int i, arch_inverse_t *inverse, struct obstack *obstack); - /** - * Get the estimated cycle count for @p irn. - * - * @param self The this pointer. - * @param irn The node. - * - * @return The estimated cycle count for this operation - */ - int (*get_op_estimated_cost)(const void *self, const ir_node *irn); + /** + * Get the estimated cycle count for @p irn. + * + * @param self The this pointer. + * @param irn The node. + * + * @return The estimated cycle count for this operation + */ + int (*get_op_estimated_cost)(const void *self, const ir_node *irn); - /** - * Asks the backend whether operand @p i of @p irn can be loaded form memory internally - * - * @param self The this pointer. - * @param irn The node. - * @param i Index of the argument we would like to know whether @p irn can load it form memory internally - * - * @return nonzero if argument can be loaded or zero otherwise - */ - int (*possible_memory_operand)(const void *self, const ir_node *irn, unsigned int i); + /** + * Asks the backend whether operand @p i of @p irn can be loaded form memory internally + * + * @param self The this pointer. + * @param irn The node. + * @param i Index of the argument we would like to know whether @p irn can load it form memory internally + * + * @return nonzero if argument can be loaded or zero otherwise + */ + int (*possible_memory_operand)(const void *self, const ir_node *irn, unsigned int i); - /** - * Ask the backend to assimilate @p reload of operand @p i into @p irn. - * - * @param self The this pointer. - * @param irn The node. - * @param spill The spill. - * @param i The position of the reload. - */ - void (*perform_memory_operand)(const void *self, ir_node *irn, ir_node *spill, unsigned int i); + /** + * Ask the backend to assimilate @p reload of operand @p i into @p irn. + * + * @param self The this pointer. + * @param irn The node. + * @param spill The spill. + * @param i The position of the reload. + */ + void (*perform_memory_operand)(const void *self, ir_node *irn, ir_node *spill, unsigned int i); }; /** @@ -366,8 +358,8 @@ extern const arch_irn_ops_t *arch_get_irn_ops(const arch_env_t *env, const ir_no extern void arch_set_frame_offset(const arch_env_t *env, ir_node *irn, int bias); -extern entity *arch_get_frame_entity(const arch_env_t *env, ir_node *irn); -extern void arch_set_frame_entity(const arch_env_t *env, ir_node *irn, entity *ent); +extern ir_entity *arch_get_frame_entity(const arch_env_t *env, ir_node *irn); +extern void arch_set_frame_entity(const arch_env_t *env, ir_node *irn, ir_entity *ent); extern int arch_get_sp_bias(const arch_env_t *env, ir_node *irn); extern int arch_get_op_estimated_cost(const arch_env_t *env, const ir_node *irn); @@ -387,8 +379,7 @@ extern void arch_perform_memory_operand(const arch_env_t *env, ir_node *irn, ir_ * operand was no register operand. */ extern const arch_register_req_t * -arch_get_register_req(const arch_env_t *env, arch_register_req_t *req, - const ir_node *irn, int pos); +arch_get_register_req(const arch_env_t *env, const ir_node *irn, int pos); /** * Check if an operand is a register operand. @@ -486,7 +477,7 @@ extern arch_irn_flags_t arch_irn_get_flags(const arch_env_t *env, const ir_node #define arch_irn_is(env, irn, flag) ((arch_irn_get_flags(env, irn) & arch_irn_flags_ ## flag) != 0) #define arch_irn_has_reg_class(env, irn, pos, cls) \ - ((cls) == arch_get_irn_reg_class(env, irn, pos)) + ((cls) == arch_get_irn_reg_class(env, irn, pos)) #define arch_irn_consider_in_reg_alloc(env, cls, irn) \ (arch_irn_has_reg_class(env, irn, -1, cls) && !arch_irn_is(env, irn, ignore)) @@ -515,7 +506,7 @@ struct _arch_code_generator_if_t { * @param birg A backend IRG session. * @return A newly created code generator. */ - void *(*init)(const be_irg_t *birg); + void *(*init)(be_irg_t *birg); /** * Called before abi introduce. @@ -527,6 +518,12 @@ struct _arch_code_generator_if_t { */ void (*prepare_graph)(void *self); + /** + * Backend may provide an own spiller. + * This spiller needs to spill all register classes. + */ + void (*spill)(void *self, be_irg_t *birg); + /** * Called before scheduling. */ @@ -566,6 +563,12 @@ do { \ (cg)->impl->func(cg); \ } while(0) +#define _arch_cg_call_env(cg, env, func) \ +do { \ + if((cg)->impl->func) \ + (cg)->impl->func(cg, env); \ +} while(0) + #define arch_code_generator_before_abi(cg) _arch_cg_call(cg, before_abi) #define arch_code_generator_prepare_graph(cg) _arch_cg_call(cg, prepare_graph) #define arch_code_generator_before_sched(cg) _arch_cg_call(cg, before_sched) @@ -573,6 +576,8 @@ do { \ #define arch_code_generator_after_ra(cg) _arch_cg_call(cg, after_ra) #define arch_code_generator_finish(cg) _arch_cg_call(cg, finish) #define arch_code_generator_done(cg) _arch_cg_call(cg, done) +#define arch_code_generator_spill(cg, birg) _arch_cg_call_env(cg, birg, spill) +#define arch_code_generator_has_spiller(cg) ((cg)->impl->spill != NULL) /** * Code generator base class. @@ -585,10 +590,11 @@ struct _arch_code_generator_t { * ISA base class. */ struct _arch_isa_t { - const arch_isa_if_t *impl; - const arch_register_t *sp; /** The stack pointer register. */ - const arch_register_t *bp; /** The base pointer register. */ - const int stack_dir; /** -1 for decreasing, 1 for increasing. */ + const arch_isa_if_t *impl; + const arch_register_t *sp; /** The stack pointer register. */ + const arch_register_t *bp; /** The base pointer register. */ + const int stack_dir; /** -1 for decreasing, 1 for increasing. */ + const be_main_env_t *main_env; /** the be main environment */ }; #define arch_isa_stack_dir(isa) ((isa)->stack_dir) @@ -599,103 +605,137 @@ struct _arch_isa_t { * Architecture interface. */ struct _arch_isa_if_t { - - /** - * Initialize the isa interface. + /** + * Initialize the isa interface. * @param file_handle the file handle to write the output to + * @param main_env the be main environment * @return a new isa instance - */ - void *(*init)(FILE *file_handle); + */ + void *(*init)(FILE *file_handle); - /** - * Free the isa instance. - */ - void (*done)(void *self); + /** + * Free the isa instance. + */ + void (*done)(void *self); - /** - * Get the the number of register classes in the isa. - * @return The number of register classes. - */ - int (*get_n_reg_class)(const void *self); + /** + * Get the the number of register classes in the isa. + * @return The number of register classes. + */ + int (*get_n_reg_class)(const void *self); - /** - * Get the i-th register class. - * @param i The number of the register class. - * @return The register class. - */ - const arch_register_class_t *(*get_reg_class)(const void *self, int i); + /** + * Get the i-th register class. + * @param i The number of the register class. + * @return The register class. + */ + const arch_register_class_t *(*get_reg_class)(const void *self, int i); - /** - * Get the register class which shall be used to store a value of a given mode. - * @param self The this pointer. - * @param mode The mode in question. - * @return A register class which can hold values of the given mode. - */ - const arch_register_class_t *(*get_reg_class_for_mode)(const void *self, const ir_mode *mode); + /** + * Get the register class which shall be used to store a value of a given mode. + * @param self The this pointer. + * @param mode The mode in question. + * @return A register class which can hold values of the given mode. + */ + const arch_register_class_t *(*get_reg_class_for_mode)(const void *self, const ir_mode *mode); - /** - * Get the ABI restrictions for procedure calls. - * @param self The this pointer. - * @param method_type The type of the method (procedure) in question. - * @param p The array of parameter locations to be filled. - */ - void (*get_call_abi)(const void *self, ir_type *method_type, be_abi_call_t *abi); + /** + * Get the ABI restrictions for procedure calls. + * @param self The this pointer. + * @param method_type The type of the method (procedure) in question. + * @param p The array of parameter locations to be filled. + */ + void (*get_call_abi)(const void *self, ir_type *method_type, be_abi_call_t *abi); - /** - * The irn handler for this architecture. - * The irn handler is registered by the Firm back end - * when the architecture is initialized. - * (May be NULL). - */ - const arch_irn_handler_t *(*get_irn_handler)(const void *self); + /** + * The irn handler for this architecture. + * The irn handler is registered by the Firm back end + * when the architecture is initialized. + * (May be NULL). + */ + const arch_irn_handler_t *(*get_irn_handler)(const void *self); - /** - * Get the code generator interface. - * @param self The this pointer. - * @return Some code generator interface. - */ - const arch_code_generator_if_t *(*get_code_generator_if)(void *self); + /** + * Get the code generator interface. + * @param self The this pointer. + * @return Some code generator interface. + */ + const arch_code_generator_if_t *(*get_code_generator_if)(void *self); - /** - * Get the list scheduler to use. There is already a selector given, the - * backend is free to modify and/or ignore it. - * - * @param self The isa object. - * @param selector The selector given by options. - * @return The list scheduler selector. - */ - const list_sched_selector_t *(*get_list_sched_selector)(const void *self, list_sched_selector_t *selector); + /** + * Get the list scheduler to use. There is already a selector given, the + * backend is free to modify and/or ignore it. + * + * @param self The isa object. + * @param selector The selector given by options. + * @return The list scheduler selector. + */ + const list_sched_selector_t *(*get_list_sched_selector)(const void *self, list_sched_selector_t *selector); - /** - * Get the necessary alignment for storing a register of given class. - * @param self The isa object. - * @param cls The register class. - * @return The alignment in bytes. - */ - int (*get_reg_class_alignment)(const void *self, const arch_register_class_t *cls); + /** + * Get the ILP scheduler to use. + * @param self The isa object. + * @return The ILP scheduler selector + */ + const ilp_sched_selector_t *(*get_ilp_sched_selector)(const void *self); - /** - * A "static" function, returns the frontend settings - * needed for this backend. - */ - const backend_params *(*get_params)(void); + /** + * Get the necessary alignment for storing a register of given class. + * @param self The isa object. + * @param cls The register class. + * @return The alignment in bytes. + */ + int (*get_reg_class_alignment)(const void *self, const arch_register_class_t *cls); -#ifdef WITH_LIBCORE - /** - * Register command line options for this backend. - * @param grp The root group. - */ - void (*register_options)(lc_opt_entry_t *grp); -#endif + /** + * A "static" function, returns the frontend settings + * needed for this backend. + */ + const backend_params *(*get_params)(void); + + /** + * Returns an 2-dim array of execution units, @p irn can be executed on. + * The first dimension is the type, the second the allowed units of this type. + * Each dimension is a NULL terminated list. + * @param self The isa object. + * @param irn The node. + * @return An array of allowed execution units. + * exec_unit = { + * { unit1_of_tp1, ..., unitX1_of_tp1, NULL }, + * ..., + * { unit1_of_tpY, ..., unitXn_of_tpY, NULL }, + * NULL + * }; + */ + const be_execution_unit_t ***(*get_allowed_execution_units)(const void *self, const ir_node *irn); + + /** + * Return the abstract machine for this isa. + * @param self The isa object. + */ + const be_machine_t *(*get_machine)(const void *self); + + /** + * Return an ordered list of irgs where code should be generated for. + * If NULL is returned, all irg will be taken into account and they will be + * generated in an arbitrary order. + * @param self The isa object. + * @param irgs A flexible array ARR_F of length 0 where the backend cann append the desired irgs. + * @return A flexible array ARR_F containing all desired irgs in the desired order. + */ + ir_graph **(*get_backend_irg_list)(const void *self, ir_graph ***irgs); }; -#define arch_isa_get_n_reg_class(isa) ((isa)->impl->get_n_reg_class(isa)) -#define arch_isa_get_reg_class(isa,i) ((isa)->impl->get_reg_class(isa, i)) -#define arch_isa_get_irn_handler(isa) ((isa)->impl->get_irn_handler(isa)) -#define arch_isa_get_call_abi(isa,tp,abi) ((isa)->impl->get_call_abi((isa), (tp), (abi))) -#define arch_isa_get_reg_class_for_mode(isa,mode) ((isa)->impl->get_reg_class_for_mode((isa), (mode))) -#define arch_isa_make_code_generator(isa,irg) ((isa)->impl->make_code_generator((isa), (irg))) -#define arch_isa_get_reg_class_alignment(isa, cls) ((isa)->impl->get_reg_class_alignment((isa), (cls))) +#define arch_isa_get_n_reg_class(isa) ((isa)->impl->get_n_reg_class(isa)) +#define arch_isa_get_reg_class(isa,i) ((isa)->impl->get_reg_class(isa, i)) +#define arch_isa_get_irn_handler(isa) ((isa)->impl->get_irn_handler(isa)) +#define arch_isa_get_call_abi(isa,tp,abi) ((isa)->impl->get_call_abi((isa), (tp), (abi))) +#define arch_isa_get_reg_class_for_mode(isa,mode) ((isa)->impl->get_reg_class_for_mode((isa), (mode))) +#define arch_isa_make_code_generator(isa,irg) ((isa)->impl->make_code_generator((isa), (irg))) +#define arch_isa_get_reg_class_alignment(isa, cls) ((isa)->impl->get_reg_class_alignment((isa), (cls))) +#define arch_isa_get_allowed_execution_units(isa, irn) ((isa)->impl->get_allowed_execution_units((isa), (irn))) +#define arch_isa_get_machine(isa) ((isa)->impl->get_machine((isa))) +#define arch_isa_get_backend_irg_list(isa, irgs) ((isa)->impl->get_backend_irg_list((isa), (irgs))) #define ARCH_MAX_HANDLERS 8 @@ -704,13 +744,12 @@ struct _arch_isa_if_t { * Keep this everywhere you're going. */ struct _arch_env_t { - const struct _be_node_factory_t *node_factory; /**< The node factory for be nodes. */ - arch_isa_t *isa; /**< The isa about which everything is. */ + arch_isa_t *isa; /**< The isa about which everything is. */ - arch_irn_handler_t const *handlers[ARCH_MAX_HANDLERS]; /**< The handlers are organized as + arch_irn_handler_t const *handlers[ARCH_MAX_HANDLERS]; /**< The handlers are organized as a stack. */ - int handlers_tos; /**< The stack pointer of the handler + int handlers_tos; /**< The stack pointer of the handler stack. */ }; @@ -727,7 +766,7 @@ struct _arch_env_t { * @param file_handle The file handle * @return The environment. */ -extern arch_env_t *arch_env_init(arch_env_t *env, const arch_isa_if_t *isa, FILE *file_handle); +extern arch_env_t *arch_env_init(arch_env_t *env, const arch_isa_if_t *isa, FILE *file_handle, be_main_env_t *main_env); /** * Add a node handler to the environment. @@ -745,12 +784,8 @@ extern arch_env_t *arch_env_push_irn_handler(arch_env_t *env, const arch_irn_han extern const arch_irn_handler_t *arch_env_pop_irn_handler(arch_env_t *env); /** - * Tells whether function represented by entity should be - * called in the constructor section. - * @param arch_env The architecture environment. - * @param ent The entitiy representing a function - * @return 1 if function is a constructor + * Register an instruction set architecture */ -extern int arch_ent_is_constructor(const arch_env_t *arch_env, const entitiy * ent); +void be_register_isa_if(const char *name, const arch_isa_if_t *isa); #endif /* _FIRM_BEARCH_H */