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path: root/llvm/lib/TargetParser/RISCVISAInfo.cpp
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Diffstat (limited to 'llvm/lib/TargetParser/RISCVISAInfo.cpp')
-rw-r--r--llvm/lib/TargetParser/RISCVISAInfo.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/TargetParser/RISCVISAInfo.cpp b/llvm/lib/TargetParser/RISCVISAInfo.cpp
index 31126cc..f08a0c0 100644
--- a/llvm/lib/TargetParser/RISCVISAInfo.cpp
+++ b/llvm/lib/TargetParser/RISCVISAInfo.cpp
@@ -765,6 +765,12 @@ Error RISCVISAInfo::checkDependency() {
if (HasZvl && !HasVector)
return getExtensionRequiresError("zvl*b", "v' or 'zve*");
+ if (Exts.count("xsfvfbfexp16e") &&
+ !(Exts.count("zvfbfmin") || Exts.count("zvfbfa")))
+ return createStringError(errc::invalid_argument,
+ "'xsfvfbfexp16e' requires 'zvfbfmin' or "
+ "'zvfbfa' extension to also be specified");
+
if (HasD && (HasC || Exts.count("zcd")))
for (auto Ext : ZcdOverlaps)
if (Exts.count(Ext.str()))