[Mesa-dev] [Bug 102466] gallium/auxiliary/util/u_cpu_detect.c: 2 * bad condition ?

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Aug 29 11:38:46 UTC 2017


--- Comment #2 from dcb314 at hotmail.com ---
(In reply to Gert Wollny from comment #1)
> It would be helpful to add on which OS and with which compiler and for what
> architecture you were compiling mesa, because depending on the build
> environment xgetbv() may simply return 0 as a fallback (see lines 259-277 in
> the same file).

I think you missed the point. Any expression ANDed with 6 will be != 6.

OS, compiler and arch independent. For the record, Linux, gcc and x86_64,
although I used a static analyser called cppcheck to find this bug.

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