Add comments to explain uint64->f64 algorithm,
authorDale Johannesen <dalej@apple.com>
Tue, 21 Oct 2008 23:07:49 +0000 (23:07 +0000)
committerDale Johannesen <dalej@apple.com>
Tue, 21 Oct 2008 23:07:49 +0000 (23:07 +0000)
commit040225fcb7e16ad7485dec9ccd23f178297a8a61
treef14f5078ff23cd24a83c62db7053399eae7d7370
parent1c15bf58a3700d40a6a88ac0ce14a2c99f111483
Add comments to explain uint64->f64 algorithm,
well, sort of.  (Algorithm by Ian Ollmann.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57932 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp