X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbearch.h;h=0ab8097d1ee4b6307f07e5944decb173ef44f6f2;hb=c7c9e568001eed38d54ef24036784ef0fb90df03;hp=9c0e92446fcb063d95ac7c6deeadf8eafa0bcb09;hpb=cdf28710bfb9bc07406af412d6780c7cdb9283d2;p=libfirm

diff --git a/ir/be/bearch.h b/ir/be/bearch.h
index 9c0e92446..0ab8097d1 100644
--- a/ir/be/bearch.h
+++ b/ir/be/bearch.h
@@ -155,7 +155,7 @@ typedef struct _arch_register_req_t {
 	arch_register_req_type_t type;          /**< The type of the constraint. */
 	const arch_register_class_t *cls;       /**< The register class this constraint belongs to. */
 
-	void (*limited)(const ir_node *irn, int pos, bitset_t *bs);
+	void (*limited)(void *limited_env, bitset_t *bs);
                                           /**< In case of the 'limited'
                                             constraint, this function
                                             must put all allowable
@@ -163,6 +163,8 @@ typedef struct _arch_register_req_t {
                                             return the number of registers
                                             in the bitset. */
 
+	void *limited_env;                    /**< This is passed to limited. */
+
 	ir_node *other;						  /**< In case of "should be equal"
 										    or should be different, this gives
 											the node to whose register this
@@ -281,15 +283,13 @@ extern int arch_is_register_operand(const arch_env_t *env,
  * @param env The environment.
  * @param irn The node.
  * @param pos The postition of the node's operand.
- * @param cls The register class.
  * @param bs  The bitset all allocatable registers shall be put into.
  *            Note, that you can also pass NULL here. If you don't,
  *            make sure, the bitset is as large as the register class
  *            has registers.
  * @return    The amount of registers allocatable for that operand.
  */
-extern int arch_get_allocatable_regs(const arch_env_t *env, const ir_node *irn,
-    int pos, const arch_register_class_t *cls, bitset_t *bs);
+extern int arch_get_allocatable_regs(const arch_env_t *env, const ir_node *irn, int pos, bitset_t *bs);
 
 /**
  * Check, if a register is assignable to an operand of a node.
@@ -348,8 +348,8 @@ extern arch_irn_class_t arch_irn_classify(const arch_env_t *env, const ir_node *
  */
 extern arch_irn_flags_t arch_irn_get_flags(const arch_env_t *env, const ir_node *irn);
 
-#define arch_irn_is_ignore(env, irn) \
-	(arch_irn_get_flags(env, irn) == arch_irn_flags_ignore)
+#define arch_irn_is_ignore(env, irn) 0
+	// ((arch_irn_get_flags(env, irn) & arch_irn_flags_ignore) != 0)
 
 #define arch_irn_has_reg_class(env, irn, pos, cls) \
   ((cls) == arch_get_irn_reg_class(env, irn, pos))
@@ -405,14 +405,28 @@ struct _arch_code_generator_if_t {
 
 	/**
 	 * Called after register allocation to lower Spills to Stores
+	 * @param self  The code generator
+	 * @param spill The spill node to lower
+	 * @return      The new backend node which substitutes the spill
 	 */
 	ir_node *(*lower_spill)(void *self, ir_node *spill);
 
 	/**
 	 * Called after register allocation to lower Reloads to Loads
+	 * @param self   The code generator
+	 * @param reload The reload node to lower
+	 * @return       The new backend node which substitutes the reload
 	 */
 	ir_node *(*lower_reload)(void *self, ir_node *reload);
 
+	/**
+	 * Called in lowering (e.g. alloca lowering) to set the
+	 * correct stack register.
+	 * @param self The code generator
+	 * @return     The stack register for the current irg
+	 */
+	const arch_register_t *(*get_stack_register)(void *self);
+
 	/**
 	 * Called after everything happened.
 	 * The code generator must also be de-allocated here.
@@ -501,12 +515,13 @@ struct _arch_isa_if_t {
   const list_sched_selector_t *(*get_list_sched_selector)(const void *self);
 
   /**
-   * Get the proj number assigned to the register.
-   * @param self  The isa object.
-   * @param reg   The register
-   * @return      The proj number assigned to this register
+   * Take a proj from a call, set the correct register and projnum for this proj
+   * @param self    The isa object.
+   * @param proj    The proj
+   * @param is_keep Non-zero if proj is a Keep argument
+   * @return        The backend proj number assigned to this proj
    */
-  long (*get_projnum_for_register)(const void *self, const arch_register_t *reg);
+  long (*handle_call_proj)(const void *self, ir_node *proj, int is_keep);
 };
 
 #define arch_isa_get_n_reg_class(isa)           ((isa)->impl->get_n_reg_class(isa))