[PATCH] D12937: [ARM] Handle +t2dsp feature as an ArchExtKind in ARMTargetParser.def

[Peter Smith via llvm-commits]

psmith added a comment.



In http://reviews.llvm.org/D12937#248554, @rengolin wrote:

> Is DSP support mandatory for v5+?


DSP extensions have been mandatory on A class from ARMv5TE onwards, there are some ARMv5T processors that don't have them. For example the ARM9TDMI. For ARM v5 processors the E will be in the name if it is ARMv5TE, for example the ARM926EJ-S


http://reviews.llvm.org/D12937