Machine Code Generation for C++
RegOnly is 8-byte version of
BaseReg that allows to store either register or nothing.
This class was designed to decrease the space consumed by each extra "operand" in
RegOnly instance to hold register
RegOnly members to zeros (none).
Tests whether this ExtraReg is none (same as calling
Tests whether the register is valid (either virtual or physical).
Tests whether this is a physical register.
Tests whether this is a virtual register (used by
Returns the register signature or 0 if no register is assigned.
Returns the register id.
RegOnlyinstance would return zero id, which is still a valid register id.
Sets the register id.
Returns the type of the register.
Returns the register group.
Converts this ExtraReg to a real
Type of the operand, either
Physical or virtual register id.