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From: Raymond Toy <toy@rt...> - 2001-09-13 13:14:05
A short while ago, someone asked what all of the :sparc-* features
meant. I think it's documented on the CMUCL homepage, but in a
nutshell this is what it means:
:sparc-v7 Use features found on a sparc V7. Basically adds the
:sparc-v8 Use features found on a sparc V8, including V7.
Basically adds the integer multiply and divide
:sparc-v9 Use features found on a sparc V9, including V8.
Basically uses the new instructions available on the
sparc V9 including branch with prediction, conditional
moves, extended shifts, and some new floating-point
:sparc-64 Very preliminary support for 64-bit sparc V9. It
added the new integer multiply/divide instructions, 32
double-precision floating registers (instead of 16).
This doesn't work because you really need to compile
CMUCL as a 64-bit program, and that's a huge amount of
work because the lisp_object type must be extended to
64-bits and memory map must be changed.
If none of these are given, then the code is meant to run on any sparc