Clang/ARM falsely advertises __ARM_FEATURE_FMA regardless of its actual availability
Submitted by Benoit Jacob
Assigned to Nobody
Link to original bugzilla bug (#1190)
Version: 3.3 (current stable)
Operating system: Android
Description
...and then generates slow emulation code as the instruction isn't available.
The only work-around for that is going to be to disable FMA on Clang/ARM.
Affected Clang versions: at least Clang 3.8. (note though that 3.5 didn't seem to be affected).