[PATCH] D42989: [X86] When doing callee save/restore for k-registers make sure we don't use KMOVQ on non-BWI targets
Craig Topper via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Feb 7 12:34:52 PST 2018
craig.topper added a comment.
In https://reviews.llvm.org/D42989#999914, @efriedma wrote:
> Does the intel_ocl_bicc calling convention vary depending on whether the CPU has BWI? If it does, we need more tests, to show code generation works correctly when BWI is enabled.
I think this calling convention is used to compile code that accesses some opencl library methods. The library itself is not compiled with llvm, but rather icc. So this issue may not manifest in any real world code.
But you're right we should check both CPUs
https://reviews.llvm.org/D42989
More information about the llvm-commits
mailing list