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...ngyue at google.com] Sent: Wednesday, December 10, 2014 2:56 PM To: Robison, Arch Cc: llvmdev at cs.uiuc.edu Subject: Re: [LLVMdev] Best way for JIT to query whether llvm.fma.* is fast? Does TargetLowering::isFMAFasterThanFMulAndFAdd (http://llvm.org/docs/doxygen/html/TargetLowering_8h_source.html#l01499) help? Jingyue On Wed, Dec 10, 2014 at 12:48 PM, Robison, Arch <arch.robison at intel.com<mailto:arch.robison at intel.com>> wrote: For the Julia language JIT, we’d like be able to tell whether the llvm.fma.* intrinsic has hardware support. What’s the best way to query LLVM (JIT) fo...

For the Julia language JIT, we'd like be able to tell whether the llvm.fma.* intrinsic has hardware support. What's the best way to query LLVM (JIT) for this information? The information would be used in situations where the user wants to use different algorithms depending on whether FMA hardware is present or not. - Arch D. Robison -------------- next part -------------- An HTML