+2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/43413
+ * ira-color.c (setup_allocno_available_regs_num): Count prohibited
+ hard regs too.
+
2010-03-22 James E. Wilson <wilson@codesourcery.com>
PR target/43348
static void
setup_allocno_available_regs_num (ira_allocno_t allocno)
{
- int i, n, hard_regs_num;
+ int i, n, hard_regs_num, hard_regno;
+ enum machine_mode mode;
enum reg_class cover_class;
ira_allocno_t a;
HARD_REG_SET temp_set;
if (a == allocno)
break;
}
+ mode = ALLOCNO_MODE (allocno);
for (n = 0, i = hard_regs_num - 1; i >= 0; i--)
- if (TEST_HARD_REG_BIT (temp_set, ira_class_hard_regs[cover_class][i]))
- n++;
+ {
+ hard_regno = ira_class_hard_regs[cover_class][i];
+ if (TEST_HARD_REG_BIT (temp_set, hard_regno)
+ || TEST_HARD_REG_BIT (prohibited_class_mode_regs[cover_class][mode],
+ hard_regno))
+ n++;
+ }
if (internal_flag_ira_verbose > 2 && n > 0 && ira_dump_file != NULL)
fprintf (ira_dump_file, " Reg %d of %s has %d regs less\n",
ALLOCNO_REGNO (allocno), reg_class_names[cover_class], n);