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Michael S. Tsirkin 9e3f84ce41 sh: move xchg_cmpxchg to a header by itself

Looks like future sh variants will support a 4-byte cas which will be
used to implement 1 and 2 byte xchg.

This is exactly what we do for llsc now, move the portable part of the
code into a separate header so it's easy to reuse.

Suggested-by:  Rich Felker <dalias@libc.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>

2016-01-12 20:47:02 +02:00

asm

sh: move xchg_cmpxchg to a header by itself

2016-01-12 20:47:02 +02:00

cpu-common/cpu

…

cpu-sh2/cpu

sh: prefix sh-specific "CCR" and "CCR2" by "SH_"

2014-03-04 07:55:49 -08:00

cpu-sh2a/cpu

sh: prefix sh-specific "CCR" and "CCR2" by "SH_"

2014-03-04 07:55:49 -08:00