craig.topper added inline comments.
================
Comment at: clang/lib/Driver/ToolChains/Arch/X86.cpp:133
+ for (auto &F : HostFeatures) {
+ if (F.first().startswith("amx") && F.second && !Is64bitTarget)
+ D.Diag(diag::err_feature_unsupported_on_target)
----------------
This looks like it would trigger an error with `-march=native -m32` on a cpu
with amx? Why is that a desirable behavior? The compiler user has done nothing
wrong. What are they supposed to do to avoid the error?
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D131134/new/
https://reviews.llvm.org/D131134
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