#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_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,
beo_Perm,
beo_Copy,
beo_Keep,
- beo_NoReg,
+ beo_CopyKeep,
beo_Call,
beo_Return,
beo_AddSP,
beo_FrameLoad,
beo_FrameStore,
beo_FrameAddr,
+ beo_Barrier,
beo_Last
} be_opcode_t;
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);
+
+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_orig = 0
+};
ir_node *be_new_Copy(const arch_register_class_t *cls, ir_graph *irg, ir_node *block, ir_node *in);
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_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_node *be_new_AddSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *operand);
+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);
*/
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);
+
+
void be_set_IncSP_offset(ir_node *irn, unsigned offset);
-unsigned be_get_IncSP_offset(ir_node *irn);
+unsigned be_get_IncSP_offset(const ir_node *irn);
void be_set_IncSP_direction(ir_node *irn, be_stack_dir_t dir);
-be_stack_dir_t be_get_IncSP_direction(ir_node *irn);
+be_stack_dir_t be_get_IncSP_direction(const ir_node *irn);
+
+entity *be_Call_get_entity(const ir_node *call);
+void be_Call_set_entity(ir_node *call, entity *ent);
+
+enum {
+ be_pos_Call_mem = 0,
+ be_pos_Call_sp = 1,
+ be_pos_Call_ptr = 2,
+ be_pos_Call_first_arg = 3
+};
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, 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);
+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.
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_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.
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.