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We have tried to make a version for llvm with native support for half floating point because we are interested in it. we added from http://half.sourceforge.net/ a half-float library and changed some records in llvm and the way that handles half float. we also used the patch that was on this thread http://llvm.1065342.n5.nabble.com/PATCH-OpenCL-half-support-tt40041.html so the clang front-end

after a long time i managed to make a progress with this problem. i can store and load fp16 as i16 in to some registers and do an add instruction. the problem now is that this messes up the real i16 (short, unsigned short). i have def FADD_H : NemaCorePseudo< (outs HGR16:$fd), (ins HGR16:$fs, HGR16:$ft), "add.h\t$fd, $fs, $ft", [(set (i16 HGR16:$fd),(i16 (f32_to_f16 (f32 (fadd (f32

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;