X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeirg.h;h=8970cf481e445525a1226001b2068d8691160bb3;hb=ea8311d17021e1998d8ac2f88312ffd771cd5668;hp=aa653271c350d726fb61c301ed539249fc79e263;hpb=69849fc8fe452350bfbd2ad67f1898147fc906b4;p=libfirm

diff --git a/ir/be/beirg.h b/ir/be/beirg.h
index aa653271c..8970cf481 100644
--- a/ir/be/beirg.h
+++ b/ir/be/beirg.h
@@ -22,7 +22,6 @@
  * @brief       Backend irg - a ir_graph with additional analysis information.
  * @author      Matthias Braun
  * @date        05.05.2006
- * @version     $Id$
  */
 #ifndef FIRM_BE_BEIRG_H
 #define FIRM_BE_BEIRG_H
@@ -32,40 +31,86 @@
 #include "be_t.h"
 #include "irtypes.h"
 
-be_lv_t *be_assure_liveness(ir_graph *irg);
-
 void be_assure_dom_front(ir_graph *irg);
 void be_invalidate_dom_front(ir_graph *irg);
 
+void be_assure_live_sets(ir_graph *irg);
+void be_assure_live_chk(ir_graph *irg);
+/**
+ * Liveness is invalid (call when nodes have been added but the control
+ * flow has not been changed)
+ */
+void be_invalidate_live_sets(ir_graph *irg);
+/**
+ * Call when control flow has changed.
+ * be_invalidate_live_sets() is called.
+ */
+void be_invalidate_live_chk(ir_graph *irg);
+
 /**
  * frees all memory allocated by birg structures (liveness, dom_front, ...).
  * The memory of the birg structure itself is not freed.
  */
 void be_free_birg(ir_graph *irg);
 
+/** The number of parts of the stack layout. */
+#define N_FRAME_TYPES 3
+
+/**
+ * This type describes the stack layout.
+ * The stack is divided into 3 parts:
+ * - arg_type:     A struct type describing the stack arguments and its order.
+ * - between_type: A struct type describing the stack layout between arguments
+ *                 and frame type. In architectures that put the return address
+ *                 automatically on the stack, the return address is put here.
+ * - frame_type:   A class type describing the frame layout.
+ */
+struct be_stack_layout_t {
+	ir_type *arg_type;             /**< A type describing the stack argument layout. */
+	ir_type *between_type;         /**< A type describing the "between" layout. */
+	ir_type *frame_type;           /**< The frame type. */
+
+	ir_type *order[N_FRAME_TYPES]; /**< arg, between and frame types ordered. */
+
+	int initial_offset;            /**< the initial difference between stack pointer and frame pointer */
+	int initial_bias;              /**< the initial stack bias */
+	bool sp_relative : 1;          /**< entities are addressed relative to
+	                                    stack pointer (omit-fp mode) */
+};
+
 /**
  * An ir_graph with additional analysis data about this irg. Also includes some
  * backend structures
  */
-struct be_irg_t {
-	ir_graph               *irg;
-	be_main_env_t          *main_env;
-	be_abi_irg_t           *abi;
-	arch_code_generator_t  *cg;
-	ir_exec_freq           *exec_freq;
-	be_dom_front_info_t    *dom_front;
-	be_lv_t                *lv;
-	struct obstack          obst; /**< birg obstack (mainly used to keep
-	                                   register constraints which we can't keep
-	                                   in the irg obst, because it gets replace
-	                                   during code selection) */
-};
+typedef struct be_irg_t {
+	ir_graph              *irg;
+	be_main_env_t         *main_env;
+	be_abi_irg_t          *abi;
+	ir_exec_freq          *exec_freq;
+	be_dom_front_info_t   *dom_front;
+	be_lv_t               *lv;
+	be_stack_layout_t      stack_layout;
+	unsigned              *allocatable_regs; /**< registers available for the
+											      allocator */
+	arch_register_req_t   *sp_req; /**< requirements for stackpointer producing
+	                                    nodes. */
+	struct obstack         obst; /**< birg obstack (mainly used to keep
+	                                  register constraints which we can't keep
+	                                  in the irg obst, because it gets replaced
+	                                  during code selection) */
+	void                  *isa_link; /**< architecture specific per-graph data*/
+} be_irg_t;
 
 static inline be_irg_t *be_birg_from_irg(const ir_graph *irg)
 {
 	return (be_irg_t*) irg->be_data;
 }
 
+static inline be_main_env_t *be_get_irg_main_env(const ir_graph *irg)
+{
+	return be_birg_from_irg(irg)->main_env;
+}
+
 static inline be_lv_t *be_get_irg_liveness(const ir_graph *irg)
 {
 	return be_birg_from_irg(irg)->lv;
@@ -81,6 +126,16 @@ static inline be_dom_front_info_t *be_get_irg_dom_front(const ir_graph *irg)
 	return be_birg_from_irg(irg)->dom_front;
 }
 
+static inline be_abi_irg_t *be_get_irg_abi(const ir_graph *irg)
+{
+	return be_birg_from_irg(irg)->abi;
+}
+
+static inline void be_set_irg_abi(ir_graph *irg, be_abi_irg_t *abi)
+{
+	be_birg_from_irg(irg)->abi = abi;
+}
+
 /** deprecated */
 static inline ir_graph *be_get_birg_irg(const be_irg_t *birg)
 {
@@ -92,10 +147,15 @@ static inline const arch_env_t *be_get_irg_arch_env(const ir_graph *irg)
 	return be_birg_from_irg(irg)->main_env->arch_env;
 }
 
-static inline struct obstack *be_get_birg_obst(const ir_graph *irg)
+static inline struct obstack *be_get_be_obst(const ir_graph *irg)
 {
 	be_irg_t *birg = be_birg_from_irg(irg);
 	return &birg->obst;
 }
 
-#endif /* FIRM_BE_BEIRG_H */
+static inline be_stack_layout_t *be_get_irg_stack_layout(const ir_graph *irg)
+{
+	return &be_birg_from_irg(irg)->stack_layout;
+}
+
+#endif