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svn:author
V 8
jhibbits
K 8
svn:date
V 27
2019-01-20T03:30:04.215360Z
K 7
svn:log
V 300
MFC r342988:

powerpcspe: Correct SPE high-component loading

Don't clobber the low part of the register restoring the high component of.
This could lead to very bad behavior if it's an ABI-affected register.

While here, also mark the asm volatile in the SPE high save case, to match
the load case.

END