X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbearch.h;h=edbf7cfb2d26c5aa9808e30e496c2fcb2bdbc278;hb=d300330b1e6df8c8914b8fb70cf38ee1c8ca2634;hp=a041ebce507a89f98c168a8909fcd816301abe1f;hpb=205396c4f4f5abe7abd6dc2350c8c398a7623afc;p=libfirm diff --git a/ir/be/bearch.h b/ir/be/bearch.h index a041ebce5..edbf7cfb2 100644 --- a/ir/be/bearch.h +++ b/ir/be/bearch.h @@ -1,9 +1,35 @@ -#ifndef FIRM_BEARCH_H -#define FIRM_BEARCH_H +/* + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. + * + * This file is part of libFirm. + * + * This file may be distributed and/or modified under the terms of the + * GNU General Public License version 2 as published by the Free Software + * Foundation and appearing in the file LICENSE.GPL included in the + * packaging of this file. + * + * Licensees holding valid libFirm Professional Edition licenses may use + * this file in accordance with the libFirm Commercial License. + * Agreement provided with the Software. + * + * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE + * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE. + */ + +/** + * @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; @@ -19,6 +45,12 @@ 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 @@ -29,8 +61,11 @@ 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; /** @@ -54,12 +89,11 @@ 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_should_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; @@ -84,10 +118,9 @@ 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; /** @@ -99,7 +132,8 @@ 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; /** @@ -115,7 +149,7 @@ 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); @@ -268,4 +302,4 @@ extern const arch_irn_handler_t *arch_env_pop_irn_handler(arch_env_t *env); */ void be_register_isa_if(const char *name, const arch_isa_if_t *isa); -#endif +#endif /* FIRM_BE_BEARCH_H */