tianqing created this revision.
tianqing added reviewers: craig.topper, RKSimon, LuoYuanke, spatel.
Herald added subscribers: cfe-commits, mgorny.
Herald added a project: clang.
For more details about these instructions, please refer to the latest ISE
document:
https://software.intel.com/en-us/download/intel-architecture-instruction-set-extensions-programming-reference.
Repository:
rC Clang
https://reviews.llvm.org/D62282
Files:
docs/ClangCommandLineReference.rst
include/clang/Basic/BuiltinsX86.def
include/clang/Driver/Options.td
lib/Basic/Targets/X86.cpp
lib/Basic/Targets/X86.h
lib/Headers/CMakeLists.txt
lib/Headers/cpuid.h
lib/Headers/enqcmdintrin.h
lib/Headers/immintrin.h
test/CodeGen/x86-enqcmd-builtins.c
test/Driver/x86-target-features.c
test/Preprocessor/x86_target_features.c
Index: test/Preprocessor/x86_target_features.c
===================================================================
--- test/Preprocessor/x86_target_features.c
+++ test/Preprocessor/x86_target_features.c
@@ -458,3 +458,10 @@
// AVX512BF16_NOAVX512VL: #define __AVX512BF16__ 1
+// RUN: %clang -target i386-unknown-unknown -march=atom -menqcmd -x c -E -dM -o - %s | FileCheck -match-full-lines --check-prefix=ENQCMD %s
+
+// ENQCMD: #define __ENQCMD__ 1
+
+// RUN: %clang -target i386-unknown-unknown -march=atom -mno-enqcmd -x c -E -dM -o - %s | FileCheck -match-full-lines --check-prefix=NOENQCMD %s
+
+// NOENQCMD-NOT: #define __ENQCMD__ 1
Index: test/Driver/x86-target-features.c
===================================================================
--- test/Driver/x86-target-features.c
+++ test/Driver/x86-target-features.c
@@ -183,3 +183,8 @@
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-avx512bf16 %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-AVX512BF16 %s
// AVX512BF16: "-target-feature" "+avx512bf16"
// NO-AVX512BF16: "-target-feature" "-avx512bf16"
+
+// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -menqcmd %s -### -o %t.o 2>&1 | FileCheck --check-prefix=ENQCMD %s
+// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-enqcmd %s -### -o %t.o 2>&1 | FileCheck --check-prefix=NO-ENQCMD %s
+// ENQCMD: "-target-feature" "+enqcmd"
+// NO-ENQCMD: "-target-feature" "-enqcmd"
Index: test/CodeGen/x86-enqcmd-builtins.c
===================================================================
--- /dev/null
+++ test/CodeGen/x86-enqcmd-builtins.c
@@ -0,0 +1,20 @@
+// RUN: %clang_cc1 %s -ffreestanding -triple i386-unknown-unknown -target-feature +enqcmd -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 %s -ffreestanding -triple x86_64-unknown-unknown -target-feature +enqcmd -emit-llvm -o - | FileCheck %s
+
+#include <immintrin.h>
+
+int test_enqcmd(void *dst, const void *src) {
+// CHECK-LABEL: @test_enqcmd
+// CHECK: %[[TMP0:.+]] = call i8 @llvm.x86.enqcmd(i8* %{{.+}}, i8* %{{.+}})
+// CHECK: %[[RET:.+]] = zext i8 %[[TMP0]] to i32
+// CHECK: ret i32 %[[RET]]
+ return _enqcmd(dst, src);
+}
+
+int test_enqcmds(void *dst, const void *src) {
+// CHECK-LABEL: @test_enqcmds
+// CHECK: %[[TMP0:.+]] = call i8 @llvm.x86.enqcmds(i8* %{{.+}}, i8* %{{.+}})
+// CHECK: %[[RET:.+]] = zext i8 %[[TMP0]] to i32
+// CHECK: ret i32 %[[RET]]
+ return _enqcmds(dst, src);
+}
Index: lib/Headers/immintrin.h
===================================================================
--- lib/Headers/immintrin.h
+++ lib/Headers/immintrin.h
@@ -421,6 +421,10 @@
#include <invpcidintrin.h>
#endif
+#if !defined(_MSC_VER) || __has_feature(modules) || defined(__ENQCMD__)
+#include <enqcmdintrin.h>
+#endif
+
#if defined(_MSC_VER) && __has_extension(gnu_asm)
/* Define the default attributes for these intrinsics */
#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__))
Index: lib/Headers/enqcmdintrin.h
===================================================================
--- /dev/null
+++ lib/Headers/enqcmdintrin.h
@@ -0,0 +1,35 @@
+/*===------------------ enqcmdintrin.h - enqcmd intrinsics -----------------===
+ *
+ * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+ * See https://llvm.org/LICENSE.txt for license information.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ *
+ *===-----------------------------------------------------------------------===
+ */
+
+#ifndef __IMMINTRIN_H
+#error "Never use <enqcmdintrin.h> directly; include <immintrin.h> instead."
+#endif
+
+#ifndef __ENQCMDINTRIN_H
+#define __ENQCMDINTRIN_H
+
+/* Define the default attributes for the functions in this file */
+#define _DEFAULT_FN_ATTRS \
+ __attribute__((__always_inline__, __nodebug__, __target__("enqcmd")))
+
+static __inline__ int _DEFAULT_FN_ATTRS
+_enqcmd (void *__dst, const void *__src)
+{
+ return __builtin_ia32_enqcmd(__dst, __src);
+}
+
+static __inline__ int _DEFAULT_FN_ATTRS
+_enqcmds (void *__dst, const void *__src)
+{
+ return __builtin_ia32_enqcmds(__dst, __src);
+}
+
+#undef _DEFAULT_FN_ATTRS
+
+#endif /* __ENQCMDINTRIN_H */
Index: lib/Headers/cpuid.h
===================================================================
--- lib/Headers/cpuid.h
+++ lib/Headers/cpuid.h
@@ -177,6 +177,7 @@
#define bit_CLDEMOTE 0x02000000
#define bit_MOVDIRI 0x08000000
#define bit_MOVDIR64B 0x10000000
+#define bit_ENQCMD 0x20000000
/* Features in %edx for leaf 7 sub-leaf 0 */
#define bit_AVX5124VNNIW 0x00000004
Index: lib/Headers/CMakeLists.txt
===================================================================
--- lib/Headers/CMakeLists.txt
+++ lib/Headers/CMakeLists.txt
@@ -48,6 +48,7 @@
clflushoptintrin.h
clwbintrin.h
emmintrin.h
+ enqcmdintrin.h
f16cintrin.h
float.h
fma4intrin.h
Index: lib/Basic/Targets/X86.h
===================================================================
--- lib/Basic/Targets/X86.h
+++ lib/Basic/Targets/X86.h
@@ -107,6 +107,7 @@
bool HasMOVDIR64B = false;
bool HasPTWRITE = false;
bool HasINVPCID = false;
+ bool HasENQCMD = false;
protected:
/// Enumeration of all of the X86 CPUs supported by Clang.
Index: lib/Basic/Targets/X86.cpp
===================================================================
--- lib/Basic/Targets/X86.cpp
+++ lib/Basic/Targets/X86.cpp
@@ -834,6 +834,8 @@
HasPTWRITE = true;
} else if (Feature == "+invpcid") {
HasINVPCID = true;
+ } else if (Feature == "+enqcmd") {
+ HasENQCMD = true;
}
X86SSEEnum Level = llvm::StringSwitch<X86SSEEnum>(Feature)
@@ -1216,6 +1218,8 @@
Builder.defineMacro("__PTWRITE__");
if (HasINVPCID)
Builder.defineMacro("__INVPCID__");
+ if (HasENQCMD)
+ Builder.defineMacro("__ENQCMD__");
// Each case falls through to the previous one here.
switch (SSELevel) {
@@ -1331,6 +1335,7 @@
.Case("clwb", true)
.Case("clzero", true)
.Case("cx16", true)
+ .Case("enqcmd", true)
.Case("f16c", true)
.Case("fma", true)
.Case("fma4", true)
@@ -1411,6 +1416,7 @@
.Case("clzero", HasCLZERO)
.Case("cx8", HasCX8)
.Case("cx16", HasCX16)
+ .Case("enqcmd", HasENQCMD)
.Case("f16c", HasF16C)
.Case("fma", HasFMA)
.Case("fma4", XOPLevel >= FMA4)
Index: include/clang/Driver/Options.td
===================================================================
--- include/clang/Driver/Options.td
+++ include/clang/Driver/Options.td
@@ -2910,6 +2910,8 @@
def mno_clzero : Flag<["-"], "mno-clzero">, Group<m_x86_Features_Group>;
def mcx16 : Flag<["-"], "mcx16">, Group<m_x86_Features_Group>;
def mno_cx16 : Flag<["-"], "mno-cx16">, Group<m_x86_Features_Group>;
+def menqcmd : Flag<["-"], "menqcmd">, Group<m_x86_Features_Group>;
+def mno_enqcmd : Flag<["-"], "mno-enqcmd">, Group<m_x86_Features_Group>;
def mf16c : Flag<["-"], "mf16c">, Group<m_x86_Features_Group>;
def mno_f16c : Flag<["-"], "mno-f16c">, Group<m_x86_Features_Group>;
def mfma : Flag<["-"], "mfma">, Group<m_x86_Features_Group>;
Index: include/clang/Basic/BuiltinsX86.def
===================================================================
--- include/clang/Basic/BuiltinsX86.def
+++ include/clang/Basic/BuiltinsX86.def
@@ -1888,6 +1888,10 @@
// INVPCID
TARGET_BUILTIN(__builtin_ia32_invpcid, "vUiv*", "nc", "invpcid")
+// ENQCMD
+TARGET_BUILTIN(__builtin_ia32_enqcmd, "Ucv*vC*", "n", "enqcmd")
+TARGET_BUILTIN(__builtin_ia32_enqcmds, "Ucv*vC*", "n", "enqcmd")
+
// MSVC
TARGET_HEADER_BUILTIN(_BitScanForward, "UcUNi*UNi", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
TARGET_HEADER_BUILTIN(_BitScanReverse, "UcUNi*UNi", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
Index: docs/ClangCommandLineReference.rst
===================================================================
--- docs/ClangCommandLineReference.rst
+++ docs/ClangCommandLineReference.rst
@@ -2655,6 +2655,8 @@
.. option:: -mcx16, -mno-cx16
+.. option:: -menqcmd, -mno-enqcmd
+
.. option:: -mf16c, -mno-f16c
.. option:: -mfma, -mno-fma
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