David Daney <ddaney@xxxxxxxxxxxxxxxxxx> writes: > Background: > > Current MIPS 32-bit ABIs (both o32 and n32) are restricted to 2GB of > user virtual memory space. This is due the way MIPS32 memory space is > segmented. Only the range from 0..2^31-1 is available. Pointer > values are always sign extended. > > Because there are not already enough MIPS ABIs, I present the ... > > Proposal: A new ABI to support 4GB of address space with 32-bit > pointers. FWIW, I'd be happy to see this go into GCC. Richard