X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbenode_t.h;h=f550185a2952755f1a52a9ad8aec5add9f925303;hb=48f0393daa5d5a14ed7e3e32ee2b090759c9371e;hp=2e0ce0e00c7f229f3e044286f6f793a0dc3cb7bf;hpb=bd800f12b8d0575359411ac4317701a922290691;p=libfirm diff --git a/ir/be/benode_t.h b/ir/be/benode_t.h index 2e0ce0e00..f550185a2 100644 --- a/ir/be/benode_t.h +++ b/ir/be/benode_t.h @@ -13,7 +13,8 @@ #define _BENODE_T_H #include "firm_config.h" -#include "pmap.h" + +#include #include "irmode.h" #include "irnode.h" @@ -30,12 +31,15 @@ extern ir_op *op_be_Spill; extern ir_op *op_be_Reload; extern ir_op *op_be_Perm; +extern ir_op *op_be_MemPerm; 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_SubSP; extern ir_op *op_be_SetSP; extern ir_op *op_be_RegParams; extern ir_op *op_be_StackParam; @@ -49,12 +53,14 @@ typedef enum { beo_Spill, beo_Reload, beo_Perm, + beo_MemPerm, beo_Copy, beo_Keep, beo_CopyKeep, beo_Call, beo_Return, beo_AddSP, + beo_SubSP, beo_IncSP, beo_SetSP, beo_RegParams, @@ -66,12 +72,6 @@ typedef enum { beo_Last } be_opcode_t; -/** Expresses the direction of the stack pointer increment of IncSP nodes. */ -typedef enum { - be_stack_dir_expand = 0, - be_stack_dir_shrink = 1 -} be_stack_dir_t; - /** Not used yet. */ typedef enum { be_frame_flag_spill = 1, @@ -83,30 +83,69 @@ typedef enum { * 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) +#define BE_STACK_FRAME_SIZE_EXPAND INT_MAX +#define BE_STACK_FRAME_SIZE_SHRINK INT_MIN + +/** + * Determines if irn is a be_node. + */ +int is_be_node(const ir_node *irn); /** * Create all BE specific opcodes. */ void be_node_init(void); +/** + * Position numbers for the be_Spill inputs. + */ 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); +/** + * Make a new Spill node. + */ +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); + +/** + * Position numbers for the be_Reload inputs. + */ enum { be_pos_Reload_frame = 0, be_pos_Reload_mem = 1 }; + +/** + * Make a new Reload node. + */ 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); +/** + * Position numbers for the be_Copy inputs. + */ enum { - be_pos_Copy_orig = 0 + be_pos_Copy_op = 0 }; + +/** + * Make a new Copy node. + */ ir_node *be_new_Copy(const arch_register_class_t *cls, ir_graph *irg, ir_node *block, ir_node *in); +/** Returns the Copy Argument. */ +ir_node *be_get_Copy_op(const ir_node *cpy); +/** Sets the Copy Argument. */ +void be_set_Copy_op(ir_node *cpy, ir_node *op); + +/** + * Make a new Perm node. + */ ir_node *be_new_Perm(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int arity, ir_node *in[]); +/** + * Create a new MemPerm node. + */ +ir_node *be_new_MemPerm(const arch_env_t *arch_env, ir_graph *irg, ir_node *bl, int n, 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_FrameLoad(const arch_register_class_t *cls_frame, const arch_register_class_t *cls_data, @@ -115,12 +154,21 @@ ir_node *be_new_FrameStore(const arch_register_class_t *cls_frame, const arch_re 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); +/** + * Position numbers for the be_AddSP inputs + */ enum { be_pos_AddSP_old_sp = 0, be_pos_AddSP_size = 1, be_pos_AddSP_last = 2 }; +enum { + pn_be_AddSP_res = 0, + pn_be_AddSP_M = 1, + pn_be_AddSP_last = 2 +}; + /** * Make a new AddSP node. * An AddSP node expresses an increase of the stack pointer in the direction the stack @@ -135,6 +183,35 @@ enum { */ ir_node *be_new_AddSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *sz); +/** + * Position numbers for the be_SubSP inputs + */ +enum { + be_pos_SubSP_old_sp = 0, + be_pos_SubSP_size = 1, + be_pos_SubSP_last = 2 +}; + +enum { + pn_be_SubSP_res = 0, + pn_be_SubSP_M = 1, + pn_be_SubSP_last = 2 +}; + +/** + * Make a new SubSP node. + * A SubSP node expresses a decrease 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 DecSP node. + */ +ir_node *be_new_SubSP(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); /** @@ -143,28 +220,30 @@ ir_node *be_new_SetSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_ * @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. - * @param amount The mount of bytes the stack pointer shall be increased/decreased. + * @param amount The mount of bytes the stack shall be expanded/shrinked (see set_IncSP_offset) * @param dir The direction in which the stack pointer shall be modified: * Along the stack's growing direction or against. * @return A new stack pointer increment/decrement node. * @note This node sets a register constraint to the @p sp register on its output. */ -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); +ir_node *be_new_IncSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, int offset); /** Returns the previous node that computes the stack pointer. */ ir_node *be_get_IncSP_pred(ir_node *incsp); -/** Sets a new offset to a IncSP node. */ -void be_set_IncSP_offset(ir_node *irn, unsigned offset); - -/** Gets the offset from a IncSP node. */ -unsigned be_get_IncSP_offset(const ir_node *irn); +/** Sets the previous node that computes the stack pointer. */ +void be_set_IncSP_pred(ir_node *incsp, ir_node *pred); -/** Sets a new direction to a IncSP node. */ -void be_set_IncSP_direction(ir_node *irn, be_stack_dir_t dir); +/** + * Sets a new offset to a IncSP node. + * A positive offset means expanding the stack, a negative offset shrinking + * an offset is == BE_STACK_FRAME_SIZE will be replaced by the real size of the + * stackframe in the fix_stack_offsets phase. + */ +void be_set_IncSP_offset(ir_node *irn, int offset); -/** Gets the direction from a IncSP node. */ -be_stack_dir_t be_get_IncSP_direction(const ir_node *irn); +/** Gets the offset from a IncSP node. */ +int be_get_IncSP_offset(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); @@ -175,6 +254,9 @@ 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); +/** + * Position numbers for the be_Call inputs. + */ 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 */ @@ -197,20 +279,64 @@ ir_node *be_new_Call(dbg_info *dbg, ir_graph *irg, ir_node *bl, ir_node *mem, ir int n_outs, int n, ir_node *in[], ir_type *call_tp); /** - * Construct a new be_Return + * Position numbers for the be_Return inputs. + */ +enum { + be_pos_Return_mem = 0, /**< memory input of a be_Return node */ + be_pos_Return_sp = 1, /**< stack pointer input of a be_Return node */ + be_pos_Return_val = 2, /**< first "real" return value if any */ +}; + +/** + * Construct a new be_Return. + * @param irg the graph where the new node will be placed + * @param bl the block where the new node will be placed + * @param n_res number of "real" results + * @param n number of inputs + * @param in input array + */ +ir_node *be_new_Return(dbg_info *dbg, ir_graph *irg, ir_node *bl, int n_res, int n, ir_node *in[]); + +/** Returns the number of real returns values */ +int be_Return_get_n_rets(ir_node *ret); + +/** + * Construct a new Stack Parameter node. */ -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_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); +/** + * Make a spill node. + * + * @param arch_env The architecture environment. + * @param irn The node to be spilled. + * @param spill_ctx The context in which the spill is introduced (This is mostly == irn up to the case of Phis). + * @return The new spill node. + */ +ir_node *be_spill(const arch_env_t *arch_env, ir_node *irn); + +/** + * Make a reload and insert it into the schedule. + * + * @param arch_env The architecture environment. + * @param cls The register class of the reloaded value. + * @param insert The node in the schedule in front of which the reload is inserted. + * @param mode The mode of the original (spilled) value. + * @param spill The spill node corresponding to this reload. + * @return A freshly made reload. + */ +ir_node *be_reload(const arch_env_t *arch_env, const arch_register_class_t *cls, ir_node *insert, ir_mode *mode, ir_node *spill); +enum { + be_pos_CopyKeep_op = 0 +}; 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); - +ir_node *be_get_CopyKeep_op(const ir_node *cpy); +void be_set_CopyKeep_op(ir_node *cpy, ir_node *op); /** * Get the backend opcode of a backend node. @@ -223,6 +349,7 @@ int be_is_Spill(const ir_node *irn); 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_MemPerm(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); @@ -238,24 +365,25 @@ 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. + * Try to avoid this function and better call arch_get_frame_entity! * + * Returns the frame entity used by the be node */ -entity *be_get_frame_entity(const ir_node *irn); +entity* be_get_frame_entity(const ir_node *irn); -void be_set_Spill_entity(ir_node *irn, entity *ent); -entity *be_get_spill_entity(const ir_node *irn); +ir_node* be_get_Reload_mem(const ir_node *irn); +ir_node* be_get_Reload_frame(const ir_node* irn); -ir_node *be_get_Spill_context(const ir_node *irn); +ir_node* be_get_Spill_val(const ir_node *irn); +ir_node* be_get_Spill_frame(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); +void be_set_MemPerm_in_entity(const ir_node *irn, int n, entity* ent); +entity *be_get_MemPerm_in_entity(const ir_node *irn, int n); + +void be_set_MemPerm_out_entity(const ir_node *irn, int n, entity* ent); +entity *be_get_MemPerm_out_entity(const ir_node *irn, int n); + +int be_get_MemPerm_entity_arity(const ir_node *irn); /** * Impose a register constraint on a backend node.