X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbenode_t.h;h=51f278886d5271729c5226bb3a2227fb2d0e8fd8;hb=f65e985f9544870ff270c240dcbf37b4435a813a;hp=1dee3b866e36b18d541630955bccdfc52b3999fa;hpb=d1eec4e22e865d0f0f01236a2e5a91a36b90e792;p=libfirm diff --git a/ir/be/benode_t.h b/ir/be/benode_t.h index 1dee3b866..51f278886 100644 --- a/ir/be/benode_t.h +++ b/ir/be/benode_t.h @@ -22,6 +22,29 @@ #include "be_t.h" #include "bearch.h" +#define BE_OUT_POS(p) (-((p) + 1)) + +/** + * The benode op's. Must be available to register emitter function. + */ +extern ir_op *op_be_Spill; +extern ir_op *op_be_Reload; +extern ir_op *op_be_Perm; +extern ir_op *op_be_Copy; +extern ir_op *op_be_Keep; +extern ir_op *op_be_CopyKeep; +extern ir_op *op_be_Call; +extern ir_op *op_be_Return; +extern ir_op *op_be_IncSP; +extern ir_op *op_be_AddSP; +extern ir_op *op_be_SetSP; +extern ir_op *op_be_RegParams; +extern ir_op *op_be_StackParam; +extern ir_op *op_be_FrameAddr; +extern ir_op *op_be_FrameLoad; +extern ir_op *op_be_FrameStore; +extern ir_op *op_be_Barrier; + typedef enum { beo_NoBeOp = 0, beo_Spill, @@ -29,38 +52,97 @@ typedef enum { beo_Perm, beo_Copy, beo_Keep, - beo_NoReg, + beo_CopyKeep, beo_Call, beo_Return, beo_AddSP, beo_IncSP, + beo_SetSP, beo_RegParams, beo_StackParam, + beo_FrameLoad, + beo_FrameStore, + beo_FrameAddr, + beo_Barrier, beo_Last } be_opcode_t; +/** Expresses the direction of the stack pointer increment of IncSP nodes. */ typedef enum { - be_stack_dir_along = 0, - be_stack_dir_against = 1 + be_stack_dir_expand = 0, + be_stack_dir_shrink = 1 } be_stack_dir_t; +/** Not used yet. */ +typedef enum { + be_frame_flag_spill = 1, + be_frame_flag_local = 2, + be_frame_flag_arg = 4 +} be_frame_flag_t; + +/** + * A "symbolic constant" for the size of the stack frame to use with IncSP nodes. + * It gets back-patched to the real size as soon it is known. + */ #define BE_STACK_FRAME_SIZE ((unsigned) -1) +/** + * Create all BE specific opcodes. + */ void be_node_init(void); -const arch_irn_handler_t be_node_irn_handler; +enum { + be_pos_Spill_frame = 0, + be_pos_Spill_val = 1 +}; +ir_node *be_new_Spill(const arch_register_class_t *cls, const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, ir_node *node_to_spill, ir_node *ctx); -ir_node *be_new_Spill(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_node *node_to_spill, ir_node *ctx); -ir_node *be_new_Reload(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_mode *mode, ir_node *spill_node); +enum { + be_pos_Reload_frame = 0, + be_pos_Reload_mem = 1 +}; +ir_node *be_new_Reload(const arch_register_class_t *cls, const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, ir_node *spill_node, ir_mode *mode); + +enum { + be_pos_Copy_op = 0 +}; ir_node *be_new_Copy(const arch_register_class_t *cls, ir_graph *irg, ir_node *block, ir_node *in); +ir_node *be_get_Copy_op(const ir_node *cpy); + ir_node *be_new_Perm(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int arity, ir_node *in[]); ir_node *be_new_Keep(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int arity, ir_node *in[]); -ir_node *be_new_AddSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *operand); +ir_node *be_new_FrameLoad(const arch_register_class_t *cls_frame, const arch_register_class_t *cls_data, + ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, entity *ent); +ir_node *be_new_FrameStore(const arch_register_class_t *cls_frame, const arch_register_class_t *cls_data, + ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, ir_node *data, entity *ent); +ir_node *be_new_FrameAddr(const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, entity *ent); + +enum { + be_pos_AddSP_old_sp = 0, + be_pos_AddSP_size = 1, + be_pos_AddSP_last = 2 +}; + +/** + * Make a new AddSP node. + * An AddSP node expresses an increase of the stack pointer in the direction the stack + * grows. In contrast to IncSP, the amount of bytes the stack pointer is grown, is not + * given by a constant but an ordinary Firm node. + * @param sp The stack pointer register. + * @param irg The graph. + * @param bl The block. + * @param old_sp The node representing the old stack pointer value. + * @param sz The node expressing the size by which the stack pointer shall be grown. + * @return A new AddSP node. + */ +ir_node *be_new_AddSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *sz); + +ir_node *be_new_SetSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *operand, ir_node *mem); /** * Make a stack pointer increase/decrease node. - * @param sp The stack poitner register. + * @param sp The stack pointer register. * @param irg The graph to insert the node to. * @param bl The block to insert the node into. * @param old_sp The node defining the former stack pointer. @@ -72,21 +154,75 @@ ir_node *be_new_AddSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_ */ ir_node *be_new_IncSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *mem, unsigned amount, be_stack_dir_t dir); +/** Returns the previous node that computes the stack pointer. */ +ir_node *be_get_IncSP_pred(ir_node *incsp); + +/** Returns the memory input of the IncSP. */ +ir_node *be_get_IncSP_mem(ir_node *irn); + +/** Sets a new offset to a IncSP node. */ void be_set_IncSP_offset(ir_node *irn, unsigned offset); -unsigned be_get_IncSP_offset(ir_node *irn); +/** Gets the offset from a IncSP node. */ +unsigned be_get_IncSP_offset(const ir_node *irn); + +/** Sets a new direction to a IncSP node. */ void be_set_IncSP_direction(ir_node *irn, be_stack_dir_t dir); -be_stack_dir_t be_get_IncSP_direction(ir_node *irn); -ir_node *be_new_Call(ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *sp, ir_node *ptr, int n_outs, int n, ir_node *in[]); -ir_node *be_new_Return(ir_graph *irg, ir_node *bl, int n, ir_node *in[]); -ir_node *be_new_StackParam(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_mode *mode, ir_node *frame_pointer, unsigned offset); +/** Gets the direction from a IncSP node. */ +be_stack_dir_t be_get_IncSP_direction(const ir_node *irn); + +/** Gets the call entity or NULL if this is no static call. */ +entity *be_Call_get_entity(const ir_node *call); +/** Sets the call entity. */ +void be_Call_set_entity(ir_node *call, entity *ent); +/** Gets the call type. */ +ir_type *be_Call_get_type(ir_node *call); +/** Sets the call type. */ +void be_Call_set_type(ir_node *call, ir_type *call_tp); + +enum { + be_pos_Call_mem = 0, /**< memory input of a be_Call node */ + be_pos_Call_sp = 1, /**< stack pointer input of a be_Call node */ + be_pos_Call_ptr = 2, /**< call pointer input of a be_Call node */ + be_pos_Call_first_arg = 3 /**< first argument input of a be_Call node */ +}; + +/** + * Projection numbers for result of be_Call node: use for Proj nodes! + */ +typedef enum { + pn_be_Call_M_regular = pn_Call_M_regular, /**< The memory result of a be_Call. */ + pn_be_Call_first_res = pn_Call_max /**< The first result proj number of a be_Call. */ +} pn_be_Call; + +/** + * Construct a new be_Call + */ +ir_node *be_new_Call(dbg_info *dbg, ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *sp, ir_node *ptr, + int n_outs, int n, ir_node *in[], ir_type *call_tp); + +/** + * Construct a new be_Return + */ +ir_node *be_new_Return(dbg_info *dbg, ir_graph *irg, ir_node *bl, int n, ir_node *in[]); +ir_node *be_new_StackParam(const arch_register_class_t *cls, const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_mode *mode, ir_node *frame_pointer, entity *ent); ir_node *be_new_RegParams(ir_graph *irg, ir_node *bl, int n_out); -ir_node *be_new_NoReg(const arch_register_t *reg, ir_graph *irg, ir_node *bl); -ir_node *be_spill(const arch_env_t *arch_env, ir_node *irn,ir_node *spill_ctx); -ir_node *be_reload(const arch_env_t *arch_env, const arch_register_class_t *cls, ir_node *irn, int pos, ir_mode *mode, ir_node *spill); +ir_node *be_new_Barrier(ir_graph *irg, ir_node *bl, int n, ir_node *in[]); + +ir_node *be_spill(const arch_env_t *arch_env, ir_node *irn, ir_node *spill_ctx); +ir_node *be_reload(const arch_env_t *arch_env, const arch_register_class_t *cls, ir_node *reloader, ir_mode *mode, ir_node *spill); +ir_node *be_new_CopyKeep(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_node *src, int n, ir_node *in_keep[], ir_mode *mode); +ir_node *be_new_CopyKeep_single(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_node *src, ir_node *keep, ir_mode *mode); + + +/** + * Get the backend opcode of a backend node. + * @param irn The node. + * @return The backend opcode. + */ be_opcode_t be_get_irn_opcode(const ir_node *irn); int be_is_Spill(const ir_node *irn); @@ -94,19 +230,39 @@ int be_is_Reload(const ir_node *irn); int be_is_Copy(const ir_node *irn); int be_is_Perm(const ir_node *irn); int be_is_Keep(const ir_node *irn); +int be_is_CopyKeep(const ir_node *irn); int be_is_Call(const ir_node *irn); +int be_is_Return(const ir_node *irn); int be_is_IncSP(const ir_node *irn); +int be_is_SetSP(const ir_node *irn); int be_is_AddSP(const ir_node *irn); int be_is_RegParams(const ir_node *irn); int be_is_StackParam(const ir_node *irn); -int be_is_NoReg(const ir_node *irn); +int be_is_FrameAddr(const ir_node *irn); +int be_is_FrameLoad(const ir_node *irn); +int be_is_FrameStore(const ir_node *irn); +int be_is_Barrier(const ir_node *irn); +/** + * Get the entity on the stack frame the given node uses. + * @param irn The node. + * @return The entity on the stack frame used by the node or NULL, + * if the node does not access the stack frame or is no back-end node. + * + */ +entity *be_get_frame_entity(const ir_node *irn); void be_set_Spill_entity(ir_node *irn, entity *ent); -entity *be_get_spill_entity(ir_node *irn); +entity *be_get_spill_entity(const ir_node *irn); ir_node *be_get_Spill_context(const ir_node *irn); +/** + * Set the entities of a Reload to the ones of the Spill it is pointing to. + * @param irg The graph. + */ +void be_copy_entities_to_reloads(ir_graph *irg); + /** * Impose a register constraint on a backend node. * @param irn The node. @@ -125,20 +281,44 @@ void be_set_constr_single_reg(ir_node *irn, int pos, const arch_register_t *reg) */ void be_set_constr_limited(ir_node *irn, int pos, const arch_register_req_t *req); +/** + * Set the flags of a node. + * @param irn The node itself. + * @param pos The position (0..n) for arguments, (-1..-m) for results. + * @param flags The flags to set for that node and position. + */ void be_node_set_flags(ir_node *irn, int pos, arch_irn_flags_t flags); +/** + * Set the register class of a node. + * @param irn The node itself. + * @param pos The position (0..n) for arguments, (-1..-m) for results. + * @param flags The register class to set for that node and position. + */ void be_node_set_reg_class(ir_node *irn, int pos, const arch_register_class_t *cls); /** - * Insert a Perm node after a specific node in the schedule. - * The Perm permutes over all values live at the given node. - * This means that all liveness intervals are cut apart at this - * location in the program. + * Make a new phi handler. + * @param env The architecture environment. + * @return A new phi handler. + */ +arch_irn_handler_t *be_phi_handler_new(const arch_env_t *arch_env); + +/** + * Free a phi handler. + * @param handler The handler to free. */ -ir_node *insert_Perm_after(const arch_env_t *env, - const arch_register_class_t *cls, - dom_front_info_t *dom_front, - ir_node *pos); +void be_phi_handler_free(arch_irn_handler_t *handler); +/** + * Reset the register data in the phi handler. + * This should be called on each new graph and deletes the register information of the current graph. + */ +void be_phi_handler_reset(arch_irn_handler_t *handler); + +/** + * irn handler for common be nodes. + */ +extern const arch_irn_handler_t be_node_irn_handler; #endif /* _BENODE_T_H */