+2012-03-26 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/52629
+ * reload1.c (count_pseudo): Short-circuit common case.
+ (count_spilled_pseudo): Return early for pseudos without hard regs.
+ Assert that the pseudo has got a hard reg before manipulating it.
+
2012-03-24 Jan Hubicka <jh@suse.cz>
PR lto/51663
int r = reg_renumber[reg];
int nregs;
+ /* Ignore spilled pseudo-registers which can be here only if IRA is used. */
+ if (ira_conflicts_p && r < 0)
+ return;
+
if (REGNO_REG_SET_P (&pseudos_counted, reg)
- || REGNO_REG_SET_P (&spilled_pseudos, reg)
- /* Ignore spilled pseudo-registers which can be here only if IRA
- is used. */
- || (ira_conflicts_p && r < 0))
+ || REGNO_REG_SET_P (&spilled_pseudos, reg))
return;
SET_REGNO_REG_SET (&pseudos_counted, reg);
{
int freq = REG_FREQ (reg);
int r = reg_renumber[reg];
- int nregs = hard_regno_nregs[r][PSEUDO_REGNO_MODE (reg)];
+ int nregs;
+
+ /* Ignore spilled pseudo-registers which can be here only if IRA is used. */
+ if (ira_conflicts_p && r < 0)
+ return;
+
+ gcc_assert (r >= 0);
+
+ nregs = hard_regno_nregs[r][PSEUDO_REGNO_MODE (reg)];
- /* Ignore spilled pseudo-registers which can be here only if IRA is
- used. */
- if ((ira_conflicts_p && r < 0)
- || REGNO_REG_SET_P (&spilled_pseudos, reg)
+ if (REGNO_REG_SET_P (&spilled_pseudos, reg)
|| spilled + spilled_nregs <= r || r + nregs <= spilled)
return;