> The only pre-RISC legacy ISA in use is x86, and it is only losing market share.
The only pre-RISC legacy ISA in wide use is x86, but AFAIK the legacy ISA from IBM mainframes (s390/s390x), which is still supported by mainstream enterprise Linux distributions, is also a pre-RISC one.
The only pre-RISC legacy ISA in wide use is x86, but AFAIK the legacy ISA from IBM mainframes (s390/s390x), which is still supported by mainstream enterprise Linux distributions, is also a pre-RISC one.