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/* { dg-do compile } */
/* { dg-options "-O1 -g" } */
enum reg_class
{
BASE_REGS,
GENERAL_REGS,
LIM_REG_CLASSES
};
static __inline__ unsigned char
hard_reg_set_subset_p (const unsigned long x[4], const unsigned long y[4])
{
return ((x[0] & ~y[0]) == 0
&& (x[1] & ~y[1]) == 0
&& (x[2] & ~y[2]) == 0
&& (x[3] & ~y[3]) == 0);
}
static __inline__ unsigned char
hard_reg_set_equal_p (const unsigned long x[4], const unsigned long y[4])
{
return x[0] == y[0]
&& x[1] == y[1]
&& x[2] == y[2]
&& x[3] == y[3];
}
extern unsigned long reg_class_contents[(int) LIM_REG_CLASSES][4];
extern int ira_important_classes_num;
extern enum reg_class ira_important_classes[(int) LIM_REG_CLASSES];
extern enum reg_class ira_reg_class_intersect[(int) LIM_REG_CLASSES][(int)
LIM_REG_CLASSES];
extern unsigned char ira_reg_classes_intersect_p[(int) LIM_REG_CLASSES][(int)
LIM_REG_CLASSES];
extern enum reg_class ira_reg_class_super_classes[(int) LIM_REG_CLASSES][(int)
LIM_REG_CLASSES];
static unsigned long temp_hard_regset[4];
static void
setup_reg_class_relations (void)
{
int i, cl1, cl2, cl3;
unsigned long temp_set2[4];
for (cl1 = 0; cl1 < (int) LIM_REG_CLASSES; cl1++)
{
ira_reg_class_super_classes[cl1][0] = LIM_REG_CLASSES;
for (cl2 = 0; cl2 < (int) LIM_REG_CLASSES; cl2++)
{
ira_reg_classes_intersect_p[cl1][cl2] = 0;
{
unsigned long *scan_tp_ = (temp_set2), *scan_fp_ =
(reg_class_contents[cl2]);
scan_tp_[1] = scan_fp_[1];
scan_tp_[2] = scan_fp_[2];
scan_tp_[3] = scan_fp_[3];
}
for (i = 0; i < ira_important_classes_num; i++)
{
cl3 = ira_important_classes[i];
{
unsigned long *scan_tp_ = (temp_hard_regset), *scan_fp_ =
(reg_class_contents[cl3]);
scan_tp_[0] = scan_fp_[0];
scan_tp_[1] = scan_fp_[1];
scan_tp_[3] = scan_fp_[3];
}
if (!hard_reg_set_subset_p (temp_hard_regset, temp_set2)
|| (hard_reg_set_equal_p (temp_hard_regset, temp_set2)
&& hard_reg_set_subset_p (reg_class_contents[cl3],
reg_class_contents[(int)
ira_reg_class_intersect
[cl1]
[cl2]])))
ira_reg_class_intersect[cl1][cl2] = (enum reg_class) cl3;
}
}
}
}
static void
find_reg_class_closure (void)
{
setup_reg_class_relations ();
}
void
ira_init (void)
{
find_reg_class_closure ();
}
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