+Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
+
+ * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
+ previous insn to store directly into our reload register, make sure
+ that if the source of the previous insn is a reload register, its
+ spill_reg_store and spill_reg_stored_to values are cleared.
+
Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
* rs6000.md (floatunssidf2_internal splitter): Use base register
{
/* Store into the reload register instead of the pseudo. */
SET_DEST (PATTERN (temp)) = reloadreg;
+
+ /* If the previous insn is an output reload, the source is
+ a reload register, and its spill_reg_store entry will
+ contain the previous destination. This is now
+ invalid. */
+ if (GET_CODE (SET_SRC (PATTERN (temp))) == REG
+ && REGNO (SET_SRC (PATTERN (temp))) < FIRST_PSEUDO_REGISTER)
+ {
+ spill_reg_store[REGNO (SET_SRC (PATTERN (temp)))] = 0;
+ spill_reg_stored_to[REGNO (SET_SRC (PATTERN (temp)))] = 0;
+ }
+
/* If these are the only uses of the pseudo reg,
pretend for GDB it lives in the reload reg we used. */
if (REG_N_DEATHS (REGNO (old)) == 1