Displaying 1 result from an estimated 1 matches for "lzzwsa".
2019 Oct 10
2
[RFC] Use of saturating intrinsics
Hello all again, take 2.
Over in D68651 I would like to make code that attempt to saturate an value (using higher bitwidth integers) use a saturating intrinsic instead. Something like this:
https://godbolt.org/z/9knBnP
As can be seen, the unsigned cases are already being matched to llvm.uadd.sat intrinsics. I am hoping to extend that to the signed cases. This has numerous benefits including