emit_insn_before (seq, insert_before);
- record_base_value (REGNO (reg), b, 0);
+ /* It is entirely possible that the expansion created lots of new
+ registers. Iterate over the sequence we just created and
+ record them all. */
+
+ if (GET_CODE (seq) == SEQUENCE)
+ {
+ int i;
+ for (i = 0; i < XVECLEN (seq, 0); ++i)
+ {
+ rtx set = single_set (XVECEXP (seq, 0, i));
+ if (set && GET_CODE (SET_DEST (set)) == REG)
+ record_base_value (REGNO (SET_DEST (set)), SET_SRC (set), 0);
+ }
+ }
+ else if (GET_CODE (seq) == SET
+ && GET_CODE (SET_DEST (seq)) == REG)
+ record_base_value (REGNO (SET_DEST (seq)), SET_SRC (seq), 0);
}
\f
/* Test whether A * B can be computed without