X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbenode_t.h;h=850ea141706d87a493132097492930f3fddc321e;hb=f7bb0868bf4510296dc85c5dc3dab4227638720e;hp=a0c19974476e76c5c58d3e6574fe3d7e0a4df8d7;hpb=83c61a001c704144026cbec2858800bf168b911f;p=libfirm diff --git a/ir/be/benode_t.h b/ir/be/benode_t.h index a0c199744..850ea1417 100644 --- a/ir/be/benode_t.h +++ b/ir/be/benode_t.h @@ -14,6 +14,8 @@ #include "firm_config.h" +#include + #include "irmode.h" #include "irnode.h" #include "entity_t.h" @@ -29,6 +31,7 @@ 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; @@ -49,6 +52,7 @@ typedef enum { beo_Spill, beo_Reload, beo_Perm, + beo_MemPerm, beo_Copy, beo_Keep, beo_CopyKeep, @@ -66,12 +70,6 @@ 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, @@ -83,7 +81,8 @@ 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. @@ -106,7 +105,7 @@ enum { /** * 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, ir_node *ctx); +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. @@ -141,6 +140,10 @@ 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, @@ -158,6 +161,12 @@ enum { 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 @@ -180,13 +189,13 @@ 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); @@ -194,20 +203,16 @@ ir_node *be_get_IncSP_pred(ir_node *incsp); /** Sets the previous node that computes the stack pointer. */ void be_set_IncSP_pred(ir_node *incsp, ir_node *pred); -/** 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); +/** + * 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 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); - -/** Gets the direction from a IncSP node. */ -be_stack_dir_t be_get_IncSP_direction(const ir_node *irn); +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); @@ -273,14 +278,14 @@ 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[]); /** - * Make a spill node and insert it into the schedule. + * 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, ir_node *spill_ctx); +ir_node *be_spill(const arch_env_t *arch_env, ir_node *irn); /** * Make a reload and insert it into the schedule. @@ -313,6 +318,7 @@ 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); @@ -328,28 +334,25 @@ 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); +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); -ir_node* be_get_Reload_mem(const ir_node *irn); -ir_node* be_get_Reload_frame(const ir_node* irn); +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); -/** - * 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); +int be_get_MemPerm_entity_arity(const ir_node *irn); /** * Impose a register constraint on a backend node.