jhb 307cdc0f64 - Use "+a" instead of "=&a" for several constraints. This should fix
compiling errors where gcc would run out of registers.
- Add "cc" to the list of clobbers for micro-ops where we perform
  instructions that alter %eflags.
- Use xchgl instead of cmpxchgl to release a spin lock.  This could allow
  for more efficient register allocation as we no longer mandate that %eax
  be used.
- Reenable the optimized mutex micro-ops in the non-i386 case.
2001-01-16 03:45:54 +00:00
..
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