#include "firm_config.h"
+#include <limits.h>
+
#include "irmode.h"
#include "irnode.h"
#include "entity_t.h"
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_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;
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,
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,
* 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.
/**
* 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 *to_spill);
/**
* Position numbers for the be_Reload inputs.
/**
* 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);
+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 *mem, ir_mode *mode);
/**
* Position numbers for the be_Copy inputs.
* 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,
- ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, entity *ent);
+ ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, ir_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);
+ ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, ir_node *data, ir_entity *ent);
+ir_node *be_new_FrameAddr(const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, ir_entity *ent);
/**
* Position numbers for the be_AddSP inputs
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
*/
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);
/**
* @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 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);
+ir_entity *be_Call_get_entity(const ir_node *call);
/** Sets the call entity. */
-void be_Call_set_entity(ir_node *call, entity *ent);
+void be_Call_set_entity(ir_node *call, ir_entity *ent);
/** Gets the call type. */
ir_type *be_Call_get_type(ir_node *call);
/** Sets the call type. */
/**
* Construct a new Stack Parameter node.
*/
-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_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, ir_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[]);
* @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.
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);
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_SubSP(const ir_node *irn);
int be_is_RegParams(const ir_node *irn);
int be_is_StackParam(const ir_node *irn);
int be_is_FrameAddr(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);
+ir_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);
+/**
+ * Returns the frame offset of this node.
+ */
+int be_get_frame_offset(const ir_node *irn);
-ir_node *be_get_Spill_context(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_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, ir_entity* ent);
+ir_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, ir_entity* ent);
+ir_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.
*/
void be_node_set_reg_class(ir_node *irn, int pos, const arch_register_class_t *cls);
+/**
+ * Set the register requirement type of a node.
+ * @param irn The node itself.
+ * @param pos The position (0..n) for arguments, (-1..-m) for results.
+ * @param flags The register requirement type to set for that node and position.
+ */
+void be_node_set_req_type(ir_node *irn, int pos, arch_register_req_type_t type);
+
/**
* Make a new phi handler.
* @param env The architecture environment.
projects / libfirm / blobdiff