Miceal Eagar writes:
I'm working with a target that has 32-bit word addressing,
so there is a define of BITS_PER_UNIT = 32.
According to the documentation, this changes the size of a byte to 32
bits, instead of the more usual 8 bits.
This causes a problem: an error saying that there is
no emulation for 'DI'. DImode has a precision of 128 bits,
which is clearly incorrect. (All the other integer modes
were incorrect as well.)
DImode is defined to be 8 bytes long so with a 32-bit byte I'd expect
it to be 256 bits. Trying use QImode and HImode for 32-bit and 64-bit
operations respectively.