[X86] Add avx512vpopcntdq to Knights Mill

As indicated by Table 1-1 in Intel Architecture Instruction Set Extensions and Future Features Programming Reference from October 2017.

llvm-svn: 316593

diff --git a/clang/lib/Basic/Targets/X86.cpp b/clang/lib/Basic/Targets/X86.cpp
index 644cf46..d2716ac 100644 (file)
--- a/clang/lib/Basic/Targets/X86.cpp
+++ b/clang/lib/Basic/Targets/X86.cpp
@@ -231,6 +231,8 @@ bool X86TargetInfo::initFeatureMap(
 
   case CK_KNM:
     // TODO: Add avx5124fmaps/avx5124vnniw.
+    setFeatureEnabledImpl(Features, "avx512vpopcntdq", true);
+    LLVM_FALLTHROUGH;
   case CK_KNL:
     setFeatureEnabledImpl(Features, "avx512f", true);
     setFeatureEnabledImpl(Features, "avx512cd", true);

diff --git a/clang/test/Preprocessor/predefined-arch-macros.c b/clang/test/Preprocessor/predefined-arch-macros.c
index 06faf0e..43dc469 100644 (file)
--- a/clang/test/Preprocessor/predefined-arch-macros.c
+++ b/clang/test/Preprocessor/predefined-arch-macros.c
@@ -793,6 +793,7 @@
 // CHECK_KNM_M32: #define __AVX512ER__ 1
 // CHECK_KNM_M32: #define __AVX512F__ 1
 // CHECK_KNM_M32: #define __AVX512PF__ 1
+// CHECK_KNM_M32: #define __AVX512VPOPCNTDQ__ 1
 // CHECK_KNM_M32: #define __AVX__ 1
 // CHECK_KNM_M32: #define __BMI2__ 1
 // CHECK_KNM_M32: #define __BMI__ 1
@@ -826,6 +827,7 @@
 // CHECK_KNM_M64: #define __AVX512ER__ 1
 // CHECK_KNM_M64: #define __AVX512F__ 1
 // CHECK_KNM_M64: #define __AVX512PF__ 1
+// CHECK_KNM_M64: #define __AVX512VPOPCNTDQ__ 1
 // CHECK_KNM_M64: #define __AVX__ 1
 // CHECK_KNM_M64: #define __BMI2__ 1
 // CHECK_KNM_M64: #define __BMI__ 1