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-rw-r--r--clang/lib/Basic/Targets/X86.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/clang/lib/Basic/Targets/X86.cpp b/clang/lib/Basic/Targets/X86.cpp
index 268b3590117..73b52a596a1 100644
--- a/clang/lib/Basic/Targets/X86.cpp
+++ b/clang/lib/Basic/Targets/X86.cpp
@@ -430,7 +430,7 @@ void X86TargetInfo::setSSELevel(llvm::StringMap<bool> &Features,
if (Enabled) {
switch (Level) {
case AVX512F:
- Features["avx512f"] = true;
+ Features["avx512f"] = Features["fma"] = Features["f16c"] = true;
LLVM_FALLTHROUGH;
case AVX2:
Features["avx2"] = true;
@@ -644,6 +644,8 @@ void X86TargetInfo::setFeatureEnabledImpl(llvm::StringMap<bool> &Features,
} else if (Name == "fma") {
if (Enabled)
setSSELevel(Features, AVX, Enabled);
+ else
+ setSSELevel(Features, AVX512F, Enabled);
} else if (Name == "fma4") {
setXOPLevel(Features, FMA4, Enabled);
} else if (Name == "xop") {
@@ -653,6 +655,8 @@ void X86TargetInfo::setFeatureEnabledImpl(llvm::StringMap<bool> &Features,
} else if (Name == "f16c") {
if (Enabled)
setSSELevel(Features, AVX, Enabled);
+ else
+ setSSELevel(Features, AVX512F, Enabled);
} else if (Name == "sha") {
if (Enabled)
setSSELevel(Features, SSE2, Enabled);
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