[llvm-commits] [patch] Allow printing of fp128 values to assembly

[Tim Northover]

Hi all,

This patch adds support for printing fp128 values to assembly, necessary for
AArch64 since the ABI defines "long double" to be IEEE-754 quad precision.

It's part of the change to generic LLVM code that we had to implement while
developing the AArch64 backend. These are the changes that no other target
exercises, so sending them to the list before would have been a little
motive-less, and often untestable.

I think this one is reasonably simple; OK to commit?

Cheers.

Tim.

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