+2005-05-30 Pat Haugen <pthaugen@us.ibm.com>
+
+ * loop.c (loop_invariant_p, valid_initial_value_p): Use
+ regs_invalidated_by_call instead of call_used_regs.
+
2005-05-30 Paolo Carlini <pcarlini@suse.de>
PR middle-end/21743
return 1;
if (LOOP_INFO (loop)->has_call
- && REGNO (x) < FIRST_PSEUDO_REGISTER && call_used_regs[REGNO (x)])
+ && REGNO (x) < FIRST_PSEUDO_REGISTER
+ && TEST_HARD_REG_BIT (regs_invalidated_by_call, REGNO (x)))
return 0;
/* Out-of-range regs can occur when we are called from unrolling.
some machines, don't use any hard registers at all. */
if (REGNO (x) < FIRST_PSEUDO_REGISTER
&& (SMALL_REGISTER_CLASSES
- || (call_used_regs[REGNO (x)] && call_seen)))
+ || (call_seen
+ && TEST_HARD_REG_BIT (regs_invalidated_by_call, REGNO (x)))))
return 0;
/* Don't use registers that have been clobbered before the start of the