Henrik Gramner e13da244f4 checkasm: x86: properly save rdx/edx in checked_call()
If the return value doesn't fit in a single register rdx/edx can in some
cases be used in addition to rax/eax.

Doesn't affect any of the existing checkasm tests but might be useful later.

Also comment the relevant code a bit better.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
2015-08-20 19:22:06 +02:00
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