X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbearch.h;h=6a688660e257772a6755459e283650e6698ced2a;hb=fc9bc377a4efe064fe1998121e52ba97ce4da415;hp=8218df06191db566ba5c1265f8ee861688b8f87b;hpb=e88385016800d3c56c3fa09770e9f7995c42e106;p=libfirm

diff --git a/ir/be/bearch.h b/ir/be/bearch.h
index 8218df061..6a688660e 100644
--- a/ir/be/bearch.h
+++ b/ir/be/bearch.h
@@ -40,6 +40,13 @@
 #include "beirg.h"
 #include "error.h"
 
+/**
+ * this constant is returned by the get_sp_bias functions if the stack
+ * is reset (usually because the frame pointer is copied to the stack
+ * pointer
+ */
+#define SP_BIAS_RESET      INT_MIN
+
 typedef enum arch_register_class_flags_t {
 	arch_register_class_flag_none      = 0,
 	/** don't do automatic register allocation for this class */
@@ -611,8 +618,6 @@ struct arch_env_t {
 	const arch_register_t *bp;               /**< The base pointer register. */
 	const arch_register_class_t *link_class; /**< The static link pointer
 	                                              register class. */
-	int                    stack_dir;        /**< -1 for decreasing, 1 for
-	                                              increasing. */
 	int                    stack_alignment;  /**< power of 2 stack alignment */
 	const be_main_env_t   *main_env;         /**< the be main environment */
 	int                    spill_cost;       /**< cost for a be_Spill node */