[PATCH] D16195: [AArch64] Multiply extended 32-bit ints with `[U|S]MADDL'.

[Tim Northover via llvm-commits]

t.p.northover added a comment.

It's probably worth adding patterns for the non-XZR case too while we're at it (the basic ones are in AArch64InstrFormats.td around WideMulAccum, but since that's only a class we can't add them there).


http://reviews.llvm.org/D16195