[x86] update cost table comments for maxnum; NFC
authorSanjay Patel <spatel@rotateright.com>
Tue, 3 Nov 2020 12:55:55 +0000 (07:55 -0500)
committerSanjay Patel <spatel@rotateright.com>
Tue, 3 Nov 2020 13:09:59 +0000 (08:09 -0500)
commit9af561ec99350043c864442f93c3ac46274d324f
treee118eb5bb967d847135db285292ae0013b67230a
parentabd8cd9199d1e14cae961e1067b78df7044179a3
[x86] update cost table comments for maxnum; NFC

Follow-up suggested in D90613.
llvm/lib/Target/X86/X86TargetTransformInfo.cpp