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Author SHA1 Message Date
Bradley Smith 9f4cd59e80 [ARM] Fix subtarget feature set truncation when using .cpu directive 
This is a bug that was caused due to storing the feature bitset in a 32-bit
variable when it is a 64-bit mask, discarding the top half of the feature set.

llvm-svn: 228151
 2015-02-04 16:23:24 +00:00
Roman Divacky 7e6b5955d4 Introduce CPUStringIsValid() into MCSubtargetInfo and use it for ARM .cpu parsing. 
Previously .cpu directive in ARM assembler didnt switch to the new CPU and
therefore acted as a nop. This implemented real action for .cpu and eg. 
allows to assembler FreeBSD kernel with -integrated-as.

llvm-svn: 223147
 2014-12-02 20:03:22 +00:00