================
@@ -1046,6 +1082,29 @@ bool
AArch64TargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
HasSVEB16B16 = true;
HasSMEB16B16 = true;
}
+
+ if (Feature == "+fp8")
+ HasFP8 = true;
+ if (Feature == "+fp8fma")
----------------
paulwalker-arm wrote:
I don't fully understand the effect of setting these bools and how the
dependencies in `AArch64Features.td` correspond to setting the feature macros.
What I'm mainly after is consistency and so for the SME2 extensions you're
setting `HasSME2` as well. So I guess the question is why that is necessary?
If it's not, then perhaps the way to go is to remove those rather than adding
the ones I suggest.
The most important part to verify is that all the feature macros a user would
expect to be defined by a specific +feat are in fact defined. If that is
managed by `AArch64Features.td` then great, if not then that would explain why
the key feature dependencies are duplicated here.
https://github.com/llvm/llvm-project/pull/140591
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