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The stcctm5 inline assembly uses a variable length array to specify
the memory that is written to. According to the gcc manual this trick
only works if the length is known at compile time. This is not the the
case for the stccm5 inline assembly.
Therefore simply use a full memory clobber. As requested by Martin
also move the output Q constraint operand to the input operands list,
since all we want is that the compiler generates an instruction that
may use the displacement field: in other words we only need the
address of *val. That the inline assembly actually writes to an array
starting at val is taken care of with the memory clobber.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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