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[VE] Support VE in libunwind

Authored by kaz7 on Dec 26 2020, 5:50 AM.

Description

[VE] Support VE in libunwind

Modify libunwind to support SjLj exception handling routines for VE.
In order to do that, we need to implement not only SjLj exception
handling routines but also a Registers_ve class. This implementation
of Registers_ve is incomplete. We will work on it later when we need
backtrace in libunwind.

Reviewed By: #libunwind, compnerd

Differential Revision: https://reviews.llvm.org/D94591

Details

Committed
kaz7Jan 16 2021, 10:35 PM
Reviewer
Restricted Project
Differential Revision
D94591: [VE] Support VE in libunwind
Parents
rG061f681c0dfa: [RISCV] Remove an extra map lookup from RISCVCompressInstEmitter. NFC
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