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Maintain a stack alignment of 16-bytes.
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Authored by brooks on Sep 4 2020, 5:55 PM.

Details

Summary

This violated the RISC-V 64-bit ABI. On CheriBSD this manifested as
a trap when attempting to store 16-byte aligned types while zeroing
the stack.

Test Plan

works in CheriBSD

Diff Detail

Repository
rS FreeBSD src repository
Lint
Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.