+2001-11-13 Richard Henderson <rth@redhat.com>
+
+ * loop.c (combine_movables): Turn off combination until
+ move_movables validation bugs are fixed.
+
2001-11-13 DJ Delorie <dj@redhat.com>
* config.gcc (powerpc|rs6000): Set default cpp options based
/* We want later insns to match the first one. Don't make the first
one match any later ones. So start this loop at m->next. */
for (m1 = m->next; m1; m1 = m1->next)
- if (m != m1 && m1->match == 0
+ /* ??? HACK! move_movables does not verify that the replacement
+ is valid, which can have disasterous effects with hard regs
+ and match_dup. Turn combination off for now. */
+ if (0 && m != m1 && m1->match == 0
&& regs->array[m1->regno].n_times_set == 1
/* A reg used outside the loop mustn't be eliminated. */
&& !m1->global