s390/lib: Use exrl instead of ex in xor functions

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exrl is present in all machines currently supported, therefore prefer
it over ex. This saves one instruction and doesn't need an additional
register to hold the address of the target instruction.

Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>

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Sven Schnelle 2025-01-08 15:27:01 +01:00 • committed by Alexander Gordeev

parent 9988df07db

commit 745600ed69

1 changed files with 29 additions and 32 deletions

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arch/s390/lib/xor.c

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