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OPC_SYNC_WMB, OPC_SYNC_MB, OPC_SYNC_ACQUIRE, OPC_SYNC_RELEASE and
OPC_SYNC_RMB have wrong encode. According to the mips manual,
their encode should be 'OPC_SYNC | 0x?? << 6' rather than
'OPC_SYNC | 0x?? << 5'. Wrong encode can lead illegal instruction
errors. These instructions often appear with multi-threaded
simulation.
Fixes: 6f0b99104a3 ("tcg/mips: Add support for fence")
Backports commit a4e57084c16d5b0eff3651693fba04f26b30b551 from qemu
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| .. | ||
| tcg-target.h | ||
| tcg-target.inc.c | ||