[PATCH] [AArch64] MachO large code-model: Materialize FP constants in code.

[Juergen Ributzka]

Hi Tim,

I have a patch that changes the way how we materialize FP constants in the large code model for AArch64. I used a custom inserter to attach a vreg to the pseudo instruction that materializes the FP constant, because I couldn’t find a way to do it in the tblgen pattern. Do you know a trick to accomplish that?

I am using the vreg, because I want the register allocator to allocate it for me. By the time we replace the pseudo instruction with real ones all the register have been already allocated, so I couldn’t add one later on.

Cheers,
Juergen

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