X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbearch.h;h=578be58b822ee98fb0cb90c7ad824d205acb3783;hb=e6ad8ee4680a88db8652483c2c6f3124f3d9a888;hp=0c0cf0d87675d517fb9b42405f1d949d19c88b2f;hpb=d32b78d7372f6cb8231b108d00992cf0133072a1;p=libfirm diff --git a/ir/be/bearch.h b/ir/be/bearch.h index 0c0cf0d87..578be58b8 100644 --- a/ir/be/bearch.h +++ b/ir/be/bearch.h @@ -24,6 +24,7 @@ #include "belistsched.h" #include "beabi_t.h" +#include "be_t.h" typedef struct _arch_register_class_t arch_register_class_t; typedef struct _arch_register_t arch_register_t; @@ -47,8 +48,6 @@ typedef enum _arch_register_type_t { 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_sp = 8, /**< This register is the stack pointer of the architecture. */ - arch_register_type_bp = 16, /**< The register is the base pointer of the architecture. */ } arch_register_type_t; /** @@ -58,7 +57,7 @@ typedef enum _arch_register_type_t { * @return 1, If register is of given kind, 0 if not. */ #define arch_register_type_is(reg, kind) \ - ((reg)->type == arch_register_type_ ## kind) + (((reg)->type & arch_register_type_ ## kind) != 0) /** * A register. @@ -179,6 +178,16 @@ typedef struct _arch_register_req_t { must be different (case must_be_different). */ } arch_register_req_t; +/** + * Format a register requirements information into a string. + * @param buf The string where to put it to. + * @param len The size of @p buf. + * @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); + + /** * Certain node classes which are relevant for the register allocator. */ @@ -199,9 +208,18 @@ typedef enum _arch_irn_flags_t { arch_irn_flags_none = 0, /**< Node flags. */ arch_irn_flags_dont_spill = 1, /**< This must not be spilled. */ arch_irn_flags_rematerializable = 2, /**< This should be replicated instead of spilled/reloaded. */ - arch_irn_flags_ignore = 4, /**< Do not consider the node during register allocation. */ + arch_irn_flags_ignore = 4, /**< Ignore node during register allocation. */ + arch_irn_flags_last = arch_irn_flags_ignore } arch_irn_flags_t; +/** + * Get the string representation of a flag. + * This functions does not handle or'ed bitmasks of flags. + * @param flag The flag. + * @return The flag as a string. + */ +extern const char *arch_irn_flag_str(arch_irn_flags_t flag); + struct _arch_irn_ops_if_t { /** @@ -252,14 +270,20 @@ struct _arch_irn_ops_if_t { arch_irn_flags_t (*get_flags)(const void *self, const ir_node *irn); /** - * Set a bias for the stack pointer. - * If the node in question uses the stack pointer for indexing, it must - * consider the value of bias additionally. + * Get the entity on the stack frame this node depends on. * @param self The this pointer. * @param irn The node in question. - * @param bias The bias. + * @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); + + /** + * 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_stack_bias)(const void *self, ir_node *irn, int bias); + void (*set_frame_offset)(const void *self, ir_node *irn, int offset); }; /** @@ -269,8 +293,9 @@ struct _arch_irn_ops_t { const arch_irn_ops_if_t *impl; }; -extern void -arch_set_stack_bias(const arch_env_t *env, ir_node *irn, int bias); +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); /** * Get the register requirements for a node. @@ -411,11 +436,10 @@ struct _arch_code_generator_if_t { /** * Initialize the code generator. * @param file The file to dump to. - * @param irg The function to generate code for. - * @param env The architecture environment. + * @param birg A backend IRG session. * @return A newly created code generator. */ - void *(*init)(FILE *file, ir_graph *irg, const arch_env_t *env); + void *(*init)(FILE *file, const be_irg_t *birg); /** * Called, when the graph is being normalized. @@ -433,20 +457,9 @@ struct _arch_code_generator_if_t { void (*before_ra)(void *self); /** - * Called after register allocation to lower Spills to Stores - * @param self The code generator - * @param spill The spill node to lower - * @return The new backend node which substitutes the spill + * Called after register allocation. */ - ir_node *(*lower_spill)(void *self, ir_node *spill); - - /** - * Called after register allocation to lower Reloads to Loads - * @param self The code generator - * @param reload The reload node to lower - * @return The new backend node which substitutes the reload - */ - ir_node *(*lower_reload)(void *self, ir_node *reload); + void (*after_ra)(void *self); /** * Called after everything happened. @@ -465,6 +478,7 @@ do { \ #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) #define arch_code_generator_before_ra(cg) _arch_cg_call(cg, before_ra) +#define arch_code_generator_after_ra(cg) _arch_cg_call(cg, after_ra) #define arch_code_generator_done(cg) _arch_cg_call(cg, done) /** @@ -558,14 +572,6 @@ struct _arch_isa_if_t { */ const list_sched_selector_t *(*get_list_sched_selector)(const void *self); - /** - * Take a proj from a call, set the correct register and projnum for this proj - * @param self The isa object. - * @param proj The proj - * @param is_keep Non-zero if proj is a Keep argument - * @return The backend proj number assigned to this proj - */ - long (*handle_call_proj)(const void *self, ir_node *proj, int is_keep); }; #define arch_isa_get_n_reg_class(isa) ((isa)->impl->get_n_reg_class(isa)) @@ -612,6 +618,13 @@ extern arch_env_t *arch_env_init(arch_env_t *env, const arch_isa_if_t *isa); * @param handler A node handler. * @return The environment itself. */ -extern arch_env_t *arch_env_add_irn_handler(arch_env_t *env, const arch_irn_handler_t *handler); +extern arch_env_t *arch_env_push_irn_handler(arch_env_t *env, const arch_irn_handler_t *handler); + +/** + * Remove a node handler from the handler stack. + * @param env The architecture environment. + * @return The popped handler. + */ +extern const arch_irn_handler_t *arch_env_pop_irn_handler(arch_env_t *env); #endif /* _FIRM_BEARCH_H */