r294424 - [X86] Add -mprefetchwt1/-mno-prefetchwt1 command line options and __PREFETCHWT1__ define to match gcc.

[Craig Topper via cfe-commits]

Author: ctopper
Date: Wed Feb  8 02:23:40 2017
New Revision: 294424

URL: http://llvm.org/viewvc/llvm-project?rev=294424&view=rev
Log:
[X86] Add -mprefetchwt1/-mno-prefetchwt1 command line options and __PREFETCHWT1__ define to match gcc.

Modified:
    cfe/trunk/docs/ClangCommandLineReference.rst
    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/docs/ClangCommandLineReference.rst
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/ClangCommandLineReference.rst?rev=294424&r1=294423&r2=294424&view=diff
==============================================================================
--- cfe/trunk/docs/ClangCommandLineReference.rst (original)
+++ cfe/trunk/docs/ClangCommandLineReference.rst Wed Feb  8 02:23:40 2017
@@ -2195,6 +2195,8 @@ X86
 
 .. option:: -mpopcnt, -mno-popcnt
 
+.. option:: -mprefetchwt1, -mno-prefetchwt1
+
 .. option:: -mprfchw, -mno-prfchw
 
 .. option:: -mrdrnd, -mno-rdrnd

Modified: cfe/trunk/include/clang/Driver/Options.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.td?rev=294424&r1=294423&r2=294424&view=diff
==============================================================================
--- cfe/trunk/include/clang/Driver/Options.td (original)
+++ cfe/trunk/include/clang/Driver/Options.td Wed Feb  8 02:23:40 2017
@@ -1720,6 +1720,7 @@ def mno_clwb : Flag<["-"], "mno-clwb">,
 def mno_movbe : Flag<["-"], "mno-movbe">, Group<m_x86_Features_Group>;
 def mno_mpx : Flag<["-"], "mno-mpx">, Group<m_x86_Features_Group>;
 def mno_sgx : Flag<["-"], "mno-sgx">, Group<m_x86_Features_Group>;
+def mno_prefetchwt1 : Flag<["-"], "mno-prefetchwt1">, Group<m_x86_Features_Group>;
 
 def munaligned_access : Flag<["-"], "munaligned-access">, Group<m_arm_Features_Group>,
   HelpText<"Allow memory accesses to be unaligned (AArch32/AArch64 only)">;
@@ -1917,6 +1918,7 @@ def mclwb : Flag<["-"], "mclwb">, Group<
 def mmovbe : Flag<["-"], "mmovbe">, Group<m_x86_Features_Group>;
 def mmpx : Flag<["-"], "mmpx">, Group<m_x86_Features_Group>;
 def msgx : Flag<["-"], "msgx">, Group<m_x86_Features_Group>;
+def mprefetchwt1 : Flag<["-"], "mprefetchwt1">, Group<m_x86_Features_Group>;
 def mips16 : Flag<["-"], "mips16">, Group<m_Group>;
 def mno_mips16 : Flag<["-"], "mno-mips16">, Group<m_Group>;
 def mmicromips : Flag<["-"], "mmicromips">, Group<m_Group>;

Modified: cfe/trunk/lib/Basic/Targets.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=294424&r1=294423&r2=294424&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Wed Feb  8 02:23:40 2017
@@ -3885,6 +3885,8 @@ void X86TargetInfo::getTargetDefines(con
     Builder.defineMacro("__MPX__");
   if (HasSGX)
     Builder.defineMacro("__SGX__");
+  if (HasPREFETCHWT1)
+    Builder.defineMacro("__PREFETCHWT1__");
 
   // 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=294424&r1=294423&r2=294424&view=diff
==============================================================================
--- cfe/trunk/test/Driver/x86-target-features.c (original)
+++ cfe/trunk/test/Driver/x86-target-features.c Wed Feb  8 02:23:40 2017
@@ -74,3 +74,8 @@
 // RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-sgx %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-SGX %s
 // SGX: "-target-feature" "+sgx"
 // NO-SGX: "-target-feature" "-sgx"
+
+// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mprefetchwt1 %s -### -o %t.o 2>&1 | FileCheck -check-prefix=PREFETCHWT1 %s
+// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-prefetchwt1 %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-PREFETCHWT1 %s
+// PREFETCHWT1: "-target-feature" "+prefetchwt1"
+// NO-PREFETCHWT1: "-target-feature" "-prefetchwt1"

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=294424&r1=294423&r2=294424&view=diff
==============================================================================
--- cfe/trunk/test/Preprocessor/predefined-arch-macros.c (original)
+++ cfe/trunk/test/Preprocessor/predefined-arch-macros.c Wed Feb  8 02:23:40 2017
@@ -731,6 +731,7 @@
 // CHECK_KNL_M32: #define __MMX__ 1
 // CHECK_KNL_M32: #define __PCLMUL__ 1
 // CHECK_KNL_M32: #define __POPCNT__ 1
+// CHECK_KNL_M32: #define __PREFETCHWT1__ 1
 // CHECK_KNL_M32: #define __RDRND__ 1
 // CHECK_KNL_M32: #define __RTM__ 1
 // CHECK_KNL_M32: #define __SSE2__ 1
@@ -766,6 +767,7 @@
 // CHECK_KNL_M64: #define __MMX__ 1
 // CHECK_KNL_M64: #define __PCLMUL__ 1
 // CHECK_KNL_M64: #define __POPCNT__ 1
+// CHECK_KNL_M64: #define __PREFETCHWT1__ 1
 // CHECK_KNL_M64: #define __RDRND__ 1
 // CHECK_KNL_M64: #define __RTM__ 1
 // CHECK_KNL_M64: #define __SSE2_MATH__ 1