Ying Huang
9669f0a311
The rdhwr instruction reads synci_step, which is not allowed by OpenBSD
and is not available for ISA older than mips{32/64}r2.
Restrict the rdhwr+synci to Linux on MIPS R6 and fall back to
_flush_cache on all other MIPS targets including OpenBSD and pre-R6
Linux.
Fix #219896.
(cherry picked from commit cff0e6b5dc60cce76e85f0d9e9af537e76759315)
Compiler-RT ================================ This directory and its subdirectories contain source code for the compiler support routines. Compiler-RT is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. ================================