math/bits - Go Issues

Go Issues Packages

math/bits

`bits.Mul64` generates `UMULH` and `MUL` instruction on `arm64` even if output is unusedFrozenDueToAge

#54607 opened 2 years ago by gbotrel

3

different results when using a pure Go copy of Add64FrozenDueToAge

#54255 opened 2 years ago by mertcandav

4

add average of two integersFrozenDueToAgeProposal

#49303 opened 2 years ago by jfcg

10

add Deposit and Extract functionsFrozenDueToAgeProposal

#45455 opened 3 years ago by mdempsky

21

need an arbitrary bit shifter for byte slicesFrozenDueToAgeProposal

#43552 opened 3 years ago by pschou

23

TestDiv32PanicOverflow, fatal error: unexpected signal during runtime executionFrozenDueToAge

#37065 opened 4 years ago by mewmew

2

guarantee Add, Sub, Mul, RotateLeft, ReverseBytes to be constant-time operationsDocumentationFrozenDueToAgeNeedsFixProposalProposal-Accepted

#31267 opened 5 years ago by TuomLarsen

38

Add, Mul and Sub are not constant timeFrozenDueToAgeNeedsFix

#31229 opened 5 years ago by FiloSottile

11

divideError is not a function; //go:linkname divideError runtime.divideErrorFrozenDueToAgeNeedsInvestigation

#30771 opened 5 years ago by apaprocki

11

add Rem32/Rem64FrozenDueToAgeNeedsFix

#28970 opened 5 years ago by TuomLarsen

10

define Div to panic when hi>=yFrozenDueToAgeProposalrelease-blocker

#28316 opened 5 years ago by randall77

11

OnesCount* if non-instrinsified should return 1 ASAP for powers of 2 if the price of branching is acceptableFrozenDueToAgePerformance

#27892 opened 5 years ago by odeke-em

6

add extended precision Add, Sub, Mul, DivFrozenDueToAgeNeedsFixProposal-Acceptedhelp wanted

#24813 opened 6 years ago by bmakam-qdt

74

consider generating lookup len8tab with type int array instead of uint8 arrayFrozenDueToAge

#23919 opened 6 years ago by odeke-em

10

rename `OnesCount` to `Weight` (Go 1.9)FrozenDueToAgeProposal

#20844 opened 6 years ago by ctruta

7

Reverse8, Reverse16 can use table lookupFrozenDueToAge

#19279 opened 7 years ago by rsc

4

an integer bit twiddling libraryFrozenDueToAgeProposal-Accepted

#18616 opened 7 years ago by brtzsnr

168