PowerPC Data Types
ä Unsigned byte: can be used for logical or integer
arithmetic operations, loaded from memory into a
general register by zero-extending on the left to full
register size
ä Unsigned halfword: as above, for 16-bit quantities
ä Signed halfword: used for arithmetic operations,
loaded by sign-extension to register size
ä Unsigned word: used for logical operations and as
address pointer
ä Signed word: used for arithmetic operations
ä Unsigned doubleword: used as an address pointer
ä Byte string: from 0 to 128 bytes in length
ä IEEE 754 single- and double-precision floating-
point data types