* combine.c (try_combine): If i3_subst_into_i2, properly check for
I3 having more than one SET.
From-SVN: r39077
+Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * combine.c (try_combine): If i3_subst_into_i2, properly check for
+ I3 having more than one SET.
+
2001-01-16 Jim Wilson <wilson@redhat.com>
* invoke.texi: Document IA-64 options.
actually came from I3, so that REG_UNUSED notes from I2 will be
properly handled. */
- if (i3_subst_into_i2 && GET_CODE (PATTERN (i2)) == PARALLEL)
+ if (i3_subst_into_i2 && single_set (i2) == 0)
{
for (i = 0; i < XVECLEN (PATTERN (i2), 0); i++)
if (GET_CODE (XVECEXP (PATTERN (i2), 0, i)) != USE