Name == "avx512vbmi" || Name == "avx512ifma") {
if (Enabled)
setSSELevel(Features, AVX512F, Enabled);
+ // Enable BWI instruction if VBMI is being enabled.
+ if (Name == "avx512vbmi" && Enabled)
+ Features["avx512bw"] = true;
+ // Also disable VBMI if BWI is being disabled.
+ if (Name == "avx512bw" && !Enabled)
+ Features["avx512vbmi"] = false;
} else if (Name == "fma") {
if (Enabled)
setSSELevel(Features, AVX, Enabled);
// RUN: %clang -target i386-unknown-unknown -march=atom -mavx512vbmi -x c -E -dM -o - %s | FileCheck -match-full-lines --check-prefix=AVX512VBMI %s
// AVX512VBMI: #define __AVX2__ 1
+// AVX512VBMI: #define __AVX512BW__ 1
// AVX512VBMI: #define __AVX512F__ 1
// AVX512VBMI: #define __AVX512VBMI__ 1
// AVX512VBMI: #define __AVX__ 1
// AVX512VBMI: #define __SSE__ 1
// AVX512VBMI: #define __SSSE3__ 1
+// RUN: %clang -target i386-unknown-unknown -march=atom -mavx512vbmi -mno-avx512bw -x c -E -dM -o - %s | FileCheck -match-full-lines --check-prefix=AVX512VBMINOAVX512BW %s
+
+// AVX512VBMINOAVX512BW-NOT: #define __AVX512BW__ 1
+// AVX512VBMINOAVX512BW-NOT: #define __AVX512VBMI__ 1
+
// RUN: %clang -target i386-unknown-unknown -march=atom -msse4.2 -x c -E -dM -o - %s | FileCheck -match-full-lines --check-prefix=SSE42POPCNT %s
// SSE42POPCNT: #define __POPCNT__ 1