[LLVMdev] Question about FMA formation

Shuxin Yang shuxin.llvm at gmail.com
Wed Dec 12 15:40:33 PST 2012

Hi, Dear All:

    I'm going implement FMA formation. On some architectures, "FMA a, b, 
c" is more precise than
"a * b + c".  I'm wondering if FMA could be less precise. In the former 
case, can we enable FMA
  formation despite restrictive FP mode?


More information about the llvm-dev mailing list