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Hi Nikos > and when i try to call llc produces this error > > LLVM ERROR: Cannot select: 0x234bab0: f16 = fadd 0x234b8b0, 0x234c2b0 > [ORD=9] [ID=29] This error suggests things are working on the generic LLVM side (as I'd expect). It's what I'd expect to see for your code snippet if there wasn't a target-specific pattern that could handle the addition properly and

...(f32 (f16_to_f32 (i16 HGR16:$ft))))))))]>; so i can have a half floating point add two half point variables and seems to work fine. -- View this message in context: http://llvm.1065342.n5.nabble.com/Half-Float-fp16-Native-Support-tp50665p54026.html Sent from the LLVM - Dev mailing list archive at Nabble.com.

hi all, i am trying to implement native support for fp16 in llvm-3.1 i have already used the opencl patch for clang so the IR that is generated is correct. i tried to add some code so the the fp16 type is handled correctly but no luck. We have a target that has native fp16 units and tried to run a simple program int main () { __fp16 a,b,c,d; a= 1.1; b=2.2; c=3.3;