&& (set = single_set (insn)) != 0
&& GET_CODE (SET_DEST (set)) == REG
&& reg_allocno[REGNO (SET_DEST (set))] >= 0)
&& (set = single_set (insn)) != 0
&& GET_CODE (SET_DEST (set)) == REG
&& reg_allocno[REGNO (SET_DEST (set))] >= 0)
/* Don't use a reg no good for this pseudo. */
&& ! TEST_HARD_REG_BIT (used2, regno)
&& HARD_REGNO_MODE_OK (regno, mode)
/* Don't use a reg no good for this pseudo. */
&& ! TEST_HARD_REG_BIT (used2, regno)
&& HARD_REGNO_MODE_OK (regno, mode)
/* Amount to add to the hard regno for SRC, or subtract from that for DEST,
to compensate for subregs in SRC or DEST. */
int offset = 0;
/* Amount to add to the hard regno for SRC, or subtract from that for DEST,
to compensate for subregs in SRC or DEST. */
int offset = 0;