s390: implement memset16, memset32 & memset64

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Provide fast versions of the new memset variants. E.g. the generic
memset64 is ten times slower than the optimized version if used on a
whole page.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Heiko Carstens 2017-10-04 19:27:05 +02:00 • committed by Martin Schwidefsky

parent 3bdf5679c9

commit 0b77d6701c

2 changed files with 66 additions and 0 deletions

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22

arch/s390/include/asm/string.h

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44

arch/s390/lib/mem.S

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