X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbearch.h;h=4b0d187e4559eeabfe96f86e37e11a5f9cbece87;hb=78680bc76e5e6d7c8a63390fefdf085b342d1b6d;hp=3bac3891f4241b4f4afec87221cf395d68a8ff42;hpb=4d5c3365a58cba59993045a9e08e686d8ae079a7;p=libfirm diff --git a/ir/be/bearch.h b/ir/be/bearch.h index 3bac3891f..4b0d187e4 100644 --- a/ir/be/bearch.h +++ b/ir/be/bearch.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved. + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. * * This file is part of libFirm. * @@ -17,12 +17,19 @@ * PURPOSE. */ -#ifndef _FIRM_BEARCH_H_ -#define _FIRM_BEARCH_H_ +/** + * @file + * @brief Processor architecture specification. + * @author Sebastian Hack + * @version $Id$ + */ +#ifndef FIRM_BE_BEARCH_H +#define FIRM_BE_BEARCH_H #include "firm_types.h" #include "bitset.h" #include "be.h" +#include "obst.h" typedef struct arch_register_class_t arch_register_class_t; typedef struct arch_register_req_t arch_register_req_t; @@ -30,14 +37,16 @@ typedef struct arch_register_t arch_register_t; typedef struct arch_flag_t arch_flag_t; typedef struct arch_inverse_t arch_inverse_t; typedef struct arch_isa_if_t arch_isa_if_t; -typedef struct arch_isa_t arch_isa_t; typedef struct arch_env_t arch_env_t; -typedef struct arch_irn_ops_if_t arch_irn_ops_if_t; -typedef struct arch_irn_ops_t arch_irn_ops_t; -typedef struct arch_irn_handler_t arch_irn_handler_t; typedef struct arch_code_generator_t arch_code_generator_t; typedef struct arch_code_generator_if_t arch_code_generator_if_t; +typedef enum arch_register_class_flags_t { + arch_register_class_flag_none = 0, + arch_register_class_flag_manual_ra = 1, /**< don't do automatic register allocation for this class */ + arch_register_class_flag_state = 2 +} arch_register_class_flags_t; + 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 @@ -48,8 +57,11 @@ typedef enum arch_register_type_t { 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_virtual = 16, /**< This is just a virtual register.Virtual registers have + nearly no constraints, it is a allowed to have multiple + definition for the same register at a point) */ + arch_register_type_state = 32, /**< The register represents a state that should be handled by + bestate code */ } arch_register_type_t; /** @@ -73,12 +85,11 @@ typedef enum 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 to another one at the node. */ + arch_register_req_type_must_be_different = 8, /**< The register must be unequal from some other at the node. */ } arch_register_req_type_t; extern const arch_register_req_t *arch_no_register_req; @@ -103,10 +114,9 @@ typedef enum arch_irn_class_t { 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_load = 1 << 7, + arch_irn_class_store = 1 << 8, + arch_irn_class_stackparam = 1 << 9, } arch_irn_class_t; /** @@ -118,7 +128,8 @@ typedef enum arch_irn_flags_t { arch_irn_flags_rematerializable = 2, /**< This can be replicated instead of spilled/reloaded. */ arch_irn_flags_ignore = 4, /**< Ignore node during register allocation. */ arch_irn_flags_modify_sp = 8, /**< I modify the stack pointer. */ - arch_irn_flags_last = arch_irn_flags_modify_sp + arch_irn_flags_modify_flags = 16, /**< I modify flags. */ + arch_irn_flags_last = arch_irn_flags_modify_flags } arch_irn_flags_t; /** @@ -134,7 +145,7 @@ extern const arch_irn_ops_t *arch_get_irn_ops(const arch_env_t *env, extern void arch_set_frame_offset(const arch_env_t *env, ir_node *irn, int bias); -extern ir_entity *arch_get_frame_entity(const arch_env_t *env, ir_node *irn); +extern ir_entity *arch_get_frame_entity(const arch_env_t *env, const 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); @@ -146,12 +157,9 @@ extern void arch_perform_memory_operand(const arch_env_t *env, ir_node *irn, ir_ /** * Get the register requirements for a node. * @param env The architecture environment. - * @param req A pointer to a requirements structure, where the data can - * be put into. * @param irn The node. * @param pos The position of the operand you're interested in. - * @return A pointer to the register requirements which may not - * neccessarily be equal to @p req. If NULL is returned, the + * @return A pointer to the register requirements. If NULL is returned, the * operand was no register operand. */ extern const arch_register_req_t * @@ -226,7 +234,6 @@ arch_get_irn_register(const arch_env_t *env, const ir_node *irn); * Set the register for a certain output operand. * @param env The architecture environment. * @param irn The node. - * @param idx The index of the output operand. * @param reg The register. */ extern void arch_set_irn_register(const arch_env_t *env, ir_node *irn, @@ -258,33 +265,26 @@ extern arch_irn_flags_t arch_irn_get_flags(const arch_env_t *env, const ir_node #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)) +/** + * Get the operations of an irn. + * @param self The handler from which the method is invoked. + * @param irn Some node. + * @return Operations for that irn. + */ +typedef const void *(arch_get_irn_ops_t)(const ir_node *irn); + /** * Initialize the architecture environment struct. * @param isa The isa which shall be put into the environment. * @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, +extern arch_env_t *arch_env_init(const arch_isa_if_t *isa, FILE *file_handle, be_main_env_t *main_env); -/** - * Add a node handler to the environment. - * @param env The environment. - * @param handler A node handler. - * @return The environment itself. - */ -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); - /** * Register an instruction set architecture */ void be_register_isa_if(const char *name, const arch_isa_if_t *isa); -#endif /* _FIRM_BEARCH_H_ */ +#endif /* FIRM_BE_BEARCH_H */