+/* Time spent in dataflow problems. */
+DEFTIMEVAR (TV_DF_SCAN , "df scan insns")
+DEFTIMEVAR (TV_DF_RU , "df reaching uses")
+DEFTIMEVAR (TV_DF_RD , "df reaching defs")
+DEFTIMEVAR (TV_DF_LR , "df live regs")
+DEFTIMEVAR (TV_DF_LIVE , "df live&initialized regs")
+DEFTIMEVAR (TV_DF_UREC , "df uninitialized regs 2")
+DEFTIMEVAR (TV_DF_CHAIN , "df use-def / def-use chains")
+DEFTIMEVAR (TV_DF_BYTE_LR , "df live byte regs")
+DEFTIMEVAR (TV_DF_NOTE , "df reg dead/unused notes")
+DEFTIMEVAR (TV_REG_STATS , "register information")
+