James Molloy 137ce60ecf Allow only disassembling of M-class MSR masks that the assembler knows how to assemble back. ...

Note: The current code in DecodeMSRMask() rejects the unpredictable A/R MSR mask '0000' with Fail. The code in the patch follows this style and rejects unpredictable M-class MSR masks also with Fail (instead of SoftFail). If SoftFail is preferred in this case then additional changes to ARMInstPrinter (to print non-symbolic masks) and ARMAsmParser (to parse non-symbolic masks) will be needed.

Patch by Petr Pavlu!

llvm-svn: 214505

2014-08-01 12:42:11 +00:00

168 KiB

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