Re: [cfe-users] Use of undeclared identifier '_tzcnt_u64'

2016-06-26 Thread Jeffrey Walton via cfe-users
We needed this goodness for Clang. Its another case of Clang pretending to be another compiler, but failing to consume a program. The frustrating thing is, we have dedicated code paths for Clang, including inline assembly that works around its integrated assembler bugs. If Clang would stop pretendi

[cfe-users] Use of undeclared identifier '_tzcnt_u64'

2016-06-25 Thread Jeffrey Walton via cfe-users
Hi Everyone, We got a user report of a compile failure using Apple's Clang. I don't know the exact Apple Clang version at the moment. Its on OS X 10.11, and its probably the one bundled with the latest Xcode. Here's the error report (https://groups.google.com/forum/#!topic/cryptopp-users/BI8yGpr2