Displaying 1 result from an estimated 1 matches for "9d4b2c68".
2018 Aug 21
3
[FPEnv] FNEG instruction
Hey llvm-dev,
Continuing a discussion from D50913...
A group working on the FP rounding mode and trap-safety project have run
into a situation where it would make sense to add a new FNEG instruction
and decouple the existing FNEG<->FSUB transformations.
The IEEE-754 Standard (Section 5.5.1) makes it clear that neg(x) and
sub(-0.0,x) are two different operations. The former is a bitwise