// index in the upper bits.
static const int kPolicyWidth = 3;
static const int kLifetimeWidth = 1;
- static const int kVirtualRegisterWidth = 18;
+ static const int kVirtualRegisterWidth = 15;
static const int kPolicyShift = kKindFieldWidth;
static const int kLifetimeShift = kPolicyShift + kPolicyWidth;
static const int kVirtualRegisterShift = kLifetimeShift + kLifetimeWidth;
static const int kFixedIndexShift =
kVirtualRegisterShift + kVirtualRegisterWidth;
+ static const int kFixedIndexWidth = 32 - kFixedIndexShift;
+ STATIC_ASSERT(kFixedIndexWidth > 5);
class PolicyField : public BitField<Policy, kPolicyShift, kPolicyWidth> { };
};
static const int kMaxVirtualRegisters = 1 << kVirtualRegisterWidth;
- static const int kMaxFixedIndex = 63;
- static const int kMinFixedIndex = -64;
+ static const int kMaxFixedIndex = (1 << kFixedIndexWidth) - 1;
+ static const int kMinFixedIndex = -(1 << kFixedIndexWidth);
bool HasAnyPolicy() const {
return policy() == ANY;