X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbenode_t.h;h=f550185a2952755f1a52a9ad8aec5add9f925303;hb=48f0393daa5d5a14ed7e3e32ee2b090759c9371e;hp=642e60dd0e9e6510cdae3ea44068f30a391147e0;hpb=fd1a2c6ca51ee2b6ff838581b79cf7a3c4553e36;p=libfirm

diff --git a/ir/be/benode_t.h b/ir/be/benode_t.h
index 642e60dd0..f550185a2 100644
--- a/ir/be/benode_t.h
+++ b/ir/be/benode_t.h
@@ -39,6 +39,7 @@ 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;
@@ -59,6 +60,7 @@ typedef enum {
 	beo_Call,
 	beo_Return,
 	beo_AddSP,
+	beo_SubSP,
 	beo_IncSP,
 	beo_SetSP,
 	beo_RegParams,
@@ -181,6 +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);
 
 /**
@@ -195,7 +226,7 @@ ir_node *be_new_SetSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_
  * @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, int offset);
+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);
@@ -203,9 +234,6 @@ 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.
  * A positive offset means expanding the stack, a negative offset shrinking
@@ -346,6 +374,9 @@ entity* be_get_frame_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_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);