[PATCH] D33400: [mips] Add madd4 subtarget feature

[Simon Dardis via Phabricator via llvm-commits]

sdardis requested changes to this revision.
sdardis added a comment.
This revision now requires changes to proceed.

Rather than enabling the usage of 4 operand multiply accumulate instructions, we want to presume they're available by default if the ISA supports them. So rather than "HasMadd4", the logic we want is "DisableMadd4" which by default is false.


https://reviews.llvm.org/D33400