14f944063a
Implement CAS using cmpxchg. Implement CAS2 using helper and either cmpxchg when the 32bit addresses are consecutive, or with parallel_cpus+cpu_loop_exit_atomic() otherwise. Suggested-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <rth@twiddle.net> |
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| alpha | ||
| arm | ||
| cris | ||
| i386 | ||
| lm32 | ||
| m68k | ||
| microblaze | ||
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| moxie | ||
| openrisc | ||
| ppc | ||
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| tilegx | ||
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| unicore32 | ||
| xtensa | ||