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s390/fpu: remove anonymous union from struct fpu

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The anonymous union within struct fpu contains a floating point register
array and a vector register array. Given that the vector register is always
present remove the floating point register array. For configurations
without vector registers save the floating point register contents within
their corresponding vector register location.

This allows to remove the union, and also to simplify ptrace and perf code.

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2024-02-03 11:45:15 +01:00
commit bdbd3acb33
5 changed files with 78 additions and 109 deletions
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