search for: usereg

...tions I found where llvm is generating this instruction : https://github.com/rust-lang/llvm/blob/168f91ce5cbf8933e47f339911f0f46a48714852/lib/Target/ARM/ARMFastISel.cpp#L2395 <https://github.com/rust-lang/llvm/blob/168f91ce5cbf8933e47f339911f0f46a48714852/lib/Target/ARM/ARMFastISel.cpp#L2395> UseReg variable is true causing ARMSelectCallOp function to set a BLX instruction that is not supported on armv4 :-( Could you help me to solve this ? Many thanks Frédéric. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/att...

Hi Jonas, Thanks for your patience. After spending some time looking at the additional output you gave me, I agree that your fix is the right one. I was worried that this problem may arise because we were spilling not real user, but in fact what I thought was the problem is an optimization we could do :). See my comments inlined for a few nitpicks before you commit. Thanks again, -Quentin On

...und where llvm is generating this instruction : > https://github.com/rust-lang/llvm/blob/168f91ce5cbf8933e47f339911f0f46a48714852/lib/Target/ARM/ARMFastISel.cpp#L2395 <https://github.com/rust-lang/llvm/blob/168f91ce5cbf8933e47f339911f0f46a48714852/lib/Target/ARM/ARMFastISel.cpp#L2395> > UseReg variable is true causing ARMSelectCallOp function to set a BLX instruction that is not supported on armv4 :-( > > Could you help me to solve this ? > > Many thanks > > Frédéric. > > > _______________________________________________ > LLVM Developers mailing list...