X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fia32_address_mode.h;h=81dab6d2ff63867e5374ae1f485a488dfc826c5e;hb=fef8dc3eff6468d7d65485af8e1ac9884c504e1a;hp=93a4f57eddc7cf838edd5501b609a23fbbbb95e0;hpb=acd5a14eb9f5db22065b247996de0bcb0961522b;p=libfirm diff --git a/ir/be/ia32/ia32_address_mode.h b/ir/be/ia32/ia32_address_mode.h index 93a4f57ed..81dab6d2f 100644 --- a/ir/be/ia32/ia32_address_mode.h +++ b/ir/be/ia32/ia32_address_mode.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. * @@ -22,46 +22,63 @@ * @brief This file contains functions for matching firm graphs for * nodes that can be used as address mode for x86 instructions * @author Matthias Braun - * @version $Id$ */ #ifndef IA32_ADDRESS_MODE_H #define IA32_ADDRESS_MODE_H +#include #include "irtypes.h" -#include "../beirg.h" /** * The address mode data: Used to construct (memory) address modes. */ typedef struct ia32_address_t ia32_address_t; struct ia32_address_t { - ir_node *base; /**< The base register (if any) */ - ir_node *index; /**< The index register (if any). */ - ir_node *mem; /**< The memory value (if any). */ - int offset; /**< An integer offset. */ - int scale; /**< An integer scale. {0,1,2,3} */ - ir_entity *symconst_ent; /**< A SynConst entity if any. */ - int use_frame; /**< Set, if the frame is accessed */ - ir_entity *frame_entity; /**< The accessed frame entity if any. */ - int symconst_sign; /**< The "sign" of the symconst. */ + ir_node *base; /**< The base register (if any) */ + ir_node *index; /**< The index register (if any). */ + ir_node *mem; /**< The memory value (if any). */ + int offset; /**< An integer offset. */ + int scale; /**< An integer scale. {0,1,2,3} */ + ir_entity *symconst_ent; /**< A SynConst entity if any. */ + bool use_frame; /**< Set, if the frame is accessed */ + bool tls_segment; /**< Set if AM is relative to TLS */ + ir_entity *frame_entity; /**< The accessed frame entity if any. */ + bool symconst_sign; /**< The "sign" of the symconst. */ }; +/** + * Additional flags for the address mode creation. + */ +typedef enum ia32_create_am_flags_t { + ia32_create_am_normal = 0, /**< Normal operation. */ + ia32_create_am_force = 1U << 0, /**< Ignore the marking of node as a + non-address-mode node. */ + ia32_create_am_double_use = 1U << 1 /**< Fold AM, even if the root of + address calculation has two users. + This is useful for dest AM. */ +} ia32_create_am_flags_t; + /** * Create an address mode for a given node. */ -void ia32_create_address_mode(ia32_address_t *addr, ir_node *node, int force); +void ia32_create_address_mode(ia32_address_t *addr, ir_node *node, ia32_create_am_flags_t); /** * Mark those nodes of the given graph that cannot be used inside an * address mode because there values must be materialized in registers. */ -void ia32_calculate_non_address_mode_nodes(be_irg_t *birg); +void ia32_calculate_non_address_mode_nodes(ir_graph *irg); /** * Free the non_address_mode information. */ void ia32_free_non_address_mode_nodes(void); +/** + * Tells whether the given node is a non address mode node. + */ +int ia32_is_non_address_mode_node(ir_node const *node); + /** * mark a node so it will not be used as part of address modes */