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[pf3gnuchains/gcc-fork.git] / gcc / regs.h

diff --git a/gcc/regs.h b/gcc/regs.h
index 3caa89b..d29e0e1 100644 (file)
--- a/gcc/regs.h
+++ b/gcc/regs.h
@@ -61,6 +61,7 @@ typedef struct reg_info_def
   int deaths;                  /* # of times (REG n) dies */
   int live_length;             /* # of instructions (REG n) is live */
   int calls_crossed;           /* # of calls (REG n) is live across */
+  int throw_calls_crossed;     /* # of calls that may throw (REG n) is live across */
   int basic_block;             /* # of basic blocks (REG n) is used in */
 } reg_info;
 
@@ -125,6 +126,12 @@ extern varray_type reg_n_info;
 
 #define REG_N_CALLS_CROSSED(N) (VARRAY_REG (reg_n_info, N)->calls_crossed)
 
+/* Indexed by N, gives number of CALL_INSNS that may throw, across which
+   (REG n) is live.  */
+
+#define REG_N_THROWING_CALLS_CROSSED(N) \
+  (VARRAY_REG (reg_n_info, N)->throw_calls_crossed)
+
 /* Total number of instructions at which (REG n) is live.
    The larger this is, the less priority (REG n) gets for
    allocation in a hard register (in global-alloc).