+2004-02-04 Geoffrey Keating <geoffk@apple.com>
+
+ * reload.c (find_equiv_reg): When checking for register overlap,
+ don't index hard_regno_nregs with a pseudo-reg.
+
2004-02-04 Ulrich Weigand <uweigand@de.ibm.com>
* config/s390/s390.c (s390_trampoline_template): Remove gen_rtx().
/* Reject registers that overlap GOAL. */
- if (!goal_mem && !goal_const
- && regno + (int) hard_regno_nregs[regno][mode] > valueno
- && regno < valueno + (int) hard_regno_nregs[valueno][mode])
- return 0;
-
if (regno >= 0 && regno < FIRST_PSEUDO_REGISTER)
nregs = hard_regno_nregs[regno][mode];
else
nregs = 1;
valuenregs = hard_regno_nregs[valueno][mode];
+ if (!goal_mem && !goal_const
+ && regno + nregs > valueno && regno < valueno + valuenregs)
+ return 0;
+
/* Reject VALUE if it is one of the regs reserved for reloads.
Reload1 knows how to reuse them anyway, and it would get
confused if we allocated one without its knowledge.