[llvm] [Hexagon] Provide a custom decoder for Y4_crswap10 (PR #153849)

[Sergei Barannikov via llvm-commits]

s-barannikov wrote:

I mean, HexagonAsmParser parses "sgp1:0" as a register, but the generated AsmMatcher expects three AsmOperands for this Operand (Register SGP1, Token ":", and Immediate 0) because this is how TableGen backend parses the asm string.


https://github.com/llvm/llvm-project/pull/153849