mirror of https://github.com/golang/go.git
c9130cae9a
This CL adds a new internal math package for use by the runtime. The new package exports a MulUintptr function with uintptr arguments a and b and returns uintptr(a*b) and whether the full-width product x*y does overflow the uintptr value range (uintptr(x*y) != x*y). Uses of MulUinptr in the runtime and intrinsics for performance will be added in followup CLs. Updates #21588 Change-Id: Ia5a02eeabc955249118e4edf68c67d9fc0858058 Reviewed-on: https://go-review.googlesource.com/c/91755 Run-TryBot: Martin Möhrmann <moehrmann@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org> |
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