Author: ctopper
Date: Wed Feb 8 01:36:58 2017
New Revision: 294416
URL: http://llvm.org/viewvc/llvm-project?rev=294416&view=rev
Log:
[X86] Add -mclwb/-mno-clwb command line arguments and __CLWB__ define to match
gcc.
In the future, we should also add a clwb intrinsic to the backend, a frontend
builtin, and an instrinsic header file.
Modified:
cfe/trunk/include/clang/Driver/Options.td
cfe/trunk/lib/Basic/Targets.cpp
cfe/trunk/test/Driver/x86-target-features.c
cfe/trunk/test/Preprocessor/predefined-arch-macros.c
Modified: cfe/trunk/include/clang/Driver/Options.td
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.td?rev=294416&r1=294415&r2=294416&view=diff
==============================================================================
--- cfe/trunk/include/clang/Driver/Options.td (original)
+++ cfe/trunk/include/clang/Driver/Options.td Wed Feb 8 01:36:58 2017
@@ -1716,6 +1716,7 @@ def mno_xsaves : Flag<["-"], "mno-xsaves
def mno_mwaitx : Flag<["-"], "mno-mwaitx">, Group<m_x86_Features_Group>;
def mno_pku : Flag<["-"], "mno-pku">, Group<m_x86_Features_Group>;
def mno_clflushopt : Flag<["-"], "mno-clflushopt">,
Group<m_x86_Features_Group>;
+def mno_clwb : Flag<["-"], "mno-clwb">, Group<m_x86_Features_Group>;
def mno_movbe : Flag<["-"], "mno-movbe">, Group<m_x86_Features_Group>;
def munaligned_access : Flag<["-"], "munaligned-access">,
Group<m_arm_Features_Group>,
@@ -1910,6 +1911,7 @@ def mxsavec : Flag<["-"], "mxsavec">, Gr
def mxsaves : Flag<["-"], "mxsaves">, Group<m_x86_Features_Group>;
def mmwaitx : Flag<["-"], "mmwaitx">, Group<m_x86_Features_Group>;
def mclflushopt : Flag<["-"], "mclflushopt">, Group<m_x86_Features_Group>;
+def mclwb : Flag<["-"], "mclwb">, Group<m_x86_Features_Group>;
def mmovbe : Flag<["-"], "mmovbe">, Group<m_x86_Features_Group>;
def mips16 : Flag<["-"], "mips16">, Group<m_Group>;
def mno_mips16 : Flag<["-"], "mno-mips16">, Group<m_Group>;
Modified: cfe/trunk/lib/Basic/Targets.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=294416&r1=294415&r2=294416&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Wed Feb 8 01:36:58 2017
@@ -3879,6 +3879,8 @@ void X86TargetInfo::getTargetDefines(con
Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16");
if (HasCLFLUSHOPT)
Builder.defineMacro("__CLFLUSHOPT__");
+ if (HasCLWB)
+ Builder.defineMacro("__CLWB__");
// Each case falls through to the previous one here.
switch (SSELevel) {
Modified: cfe/trunk/test/Driver/x86-target-features.c
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/x86-target-features.c?rev=294416&r1=294415&r2=294416&view=diff
==============================================================================
--- cfe/trunk/test/Driver/x86-target-features.c (original)
+++ cfe/trunk/test/Driver/x86-target-features.c Wed Feb 8 01:36:58 2017
@@ -55,6 +55,11 @@
// CLFLUSHOPT: "-target-feature" "+clflushopt"
// NO-CLFLUSHOPT: "-target-feature" "-clflushopt"
+// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mclwb %s -### -o
%t.o 2>&1 | FileCheck -check-prefix=CLWB %s
+// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-clwb %s -### -o
%t.o 2>&1 | FileCheck -check-prefix=NO-CLWB %s
+// CLWB: "-target-feature" "+clwb"
+// NO-CLWB: "-target-feature" "-clwb"
+
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mmovbe %s -### -o
%t.o 2>&1 | FileCheck -check-prefix=MOVBE %s
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-movbe %s -###
-o %t.o 2>&1 | FileCheck -check-prefix=NO-MOVBE %s
// MOVBE: "-target-feature" "+movbe"
Modified: cfe/trunk/test/Preprocessor/predefined-arch-macros.c
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Preprocessor/predefined-arch-macros.c?rev=294416&r1=294415&r2=294416&view=diff
==============================================================================
--- cfe/trunk/test/Preprocessor/predefined-arch-macros.c (original)
+++ cfe/trunk/test/Preprocessor/predefined-arch-macros.c Wed Feb 8 01:36:58
2017
@@ -796,6 +796,7 @@
// CHECK_SKX_M32: #define __BMI2__ 1
// CHECK_SKX_M32: #define __BMI__ 1
// CHECK_SKX_M32: #define __CLFLUSHOPT__ 1
+// CHECK_SKX_M32: #define __CLWB__ 1
// CHECK_SKX_M32: #define __F16C__ 1
// CHECK_SKX_M32: #define __FMA__ 1
// CHECK_SKX_M32: #define __LZCNT__ 1
@@ -835,6 +836,7 @@
// CHECK_SKX_M64: #define __BMI2__ 1
// CHECK_SKX_M64: #define __BMI__ 1
// CHECK_SKX_M64: #define __CLFLUSHOPT__ 1
+// CHECK_SKX_M64: #define __CLWB__ 1
// CHECK_SKX_M64: #define __F16C__ 1
// CHECK_SKX_M64: #define __FMA__ 1
// CHECK_SKX_M64: #define __LZCNT__ 1
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