r294559 - [X86] Clzero flag addition and inclusion under znver1
Craig Topper via cfe-commits
cfe-commits at lists.llvm.org
Wed Feb 8 22:10:15 PST 2017
Author: ctopper
Date: Thu Feb 9 00:10:14 2017
New Revision: 294559
URL: http://llvm.org/viewvc/llvm-project?rev=294559&view=rev
Log:
[X86] Clzero flag addition and inclusion under znver1
1. Adds the command line flag for clzero.
2. Includes the clzero flag under znver1.
3. Defines the macro for clzero.
4. Adds a new file which has the intrinsic definition for clzero instruction.
Patch by Ganesh Gopalasubramanian with some additional tests from me.
Differential revision: https://reviews.llvm.org/D29386
Added:
cfe/trunk/lib/Headers/clzerointrin.h
cfe/trunk/test/CodeGen/builtin-clzero.c
Modified:
cfe/trunk/include/clang/Basic/BuiltinsX86.def
cfe/trunk/include/clang/Driver/Options.td
cfe/trunk/lib/Basic/Targets.cpp
cfe/trunk/lib/Headers/CMakeLists.txt
cfe/trunk/lib/Headers/module.modulemap
cfe/trunk/lib/Headers/x86intrin.h
cfe/trunk/test/CodeGen/builtin-clflushopt.c
cfe/trunk/test/CodeGen/builtins-x86.c
cfe/trunk/test/Driver/x86-target-features.c
cfe/trunk/test/Preprocessor/predefined-arch-macros.c
Modified: cfe/trunk/include/clang/Basic/BuiltinsX86.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/BuiltinsX86.def?rev=294559&r1=294558&r2=294559&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/BuiltinsX86.def (original)
+++ cfe/trunk/include/clang/Basic/BuiltinsX86.def Thu Feb 9 00:10:14 2017
@@ -1814,6 +1814,9 @@ TARGET_BUILTIN(__builtin_ia32_selectpd_5
TARGET_BUILTIN(__builtin_ia32_monitorx, "vv*UiUi", "", "mwaitx")
TARGET_BUILTIN(__builtin_ia32_mwaitx, "vUiUiUi", "", "mwaitx")
+// CLZERO
+TARGET_BUILTIN(__builtin_ia32_clzero, "vv*", "", "clzero")
+
// MSVC
TARGET_HEADER_BUILTIN(_BitScanForward, "UcULi*ULi", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
TARGET_HEADER_BUILTIN(_BitScanReverse, "UcULi*ULi", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
Modified: cfe/trunk/include/clang/Driver/Options.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.td?rev=294559&r1=294558&r2=294559&view=diff
==============================================================================
--- cfe/trunk/include/clang/Driver/Options.td (original)
+++ cfe/trunk/include/clang/Driver/Options.td Thu Feb 9 00:10:14 2017
@@ -1714,6 +1714,7 @@ def mno_xsaveopt : Flag<["-"], "mno-xsav
def mno_xsavec : Flag<["-"], "mno-xsavec">, Group<m_x86_Features_Group>;
def mno_xsaves : Flag<["-"], "mno-xsaves">, Group<m_x86_Features_Group>;
def mno_mwaitx : Flag<["-"], "mno-mwaitx">, Group<m_x86_Features_Group>;
+def mno_clzero : Flag<["-"], "mno-clzero">, 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>;
@@ -1913,6 +1914,7 @@ def mxsaveopt : Flag<["-"], "mxsaveopt">
def mxsavec : Flag<["-"], "mxsavec">, Group<m_x86_Features_Group>;
def mxsaves : Flag<["-"], "mxsaves">, Group<m_x86_Features_Group>;
def mmwaitx : Flag<["-"], "mmwaitx">, Group<m_x86_Features_Group>;
+def mclzero : Flag<["-"], "mclzero">, 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>;
Modified: cfe/trunk/lib/Basic/Targets.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=294559&r1=294558&r2=294559&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Thu Feb 9 00:10:14 2017
@@ -2489,6 +2489,7 @@ class X86TargetInfo : public TargetInfo
bool HasXSAVEC = false;
bool HasXSAVES = false;
bool HasMWAITX = false;
+ bool HasCLZERO = false;
bool HasPKU = false;
bool HasCLFLUSHOPT = false;
bool HasCLWB = false;
@@ -3201,6 +3202,7 @@ bool X86TargetInfo::initFeatureMap(
setFeatureEnabledImpl(Features, "bmi", true);
setFeatureEnabledImpl(Features, "bmi2", true);
setFeatureEnabledImpl(Features, "clflushopt", true);
+ setFeatureEnabledImpl(Features, "clzero", true);
setFeatureEnabledImpl(Features, "cx16", true);
setFeatureEnabledImpl(Features, "f16c", true);
setFeatureEnabledImpl(Features, "fma", true);
@@ -3560,6 +3562,8 @@ bool X86TargetInfo::handleTargetFeatures
HasCLWB = true;
} else if (Feature == "+prefetchwt1") {
HasPREFETCHWT1 = true;
+ } else if (Feature == "+clzero") {
+ HasCLZERO = true;
}
X86SSEEnum Level = llvm::StringSwitch<X86SSEEnum>(Feature)
@@ -3887,6 +3891,8 @@ void X86TargetInfo::getTargetDefines(con
Builder.defineMacro("__SGX__");
if (HasPREFETCHWT1)
Builder.defineMacro("__PREFETCHWT1__");
+ if (HasCLZERO)
+ Builder.defineMacro("__CLZERO__");
// Each case falls through to the previous one here.
switch (SSELevel) {
@@ -3973,6 +3979,7 @@ bool X86TargetInfo::hasFeature(StringRef
.Case("bmi2", HasBMI2)
.Case("clflushopt", HasCLFLUSHOPT)
.Case("clwb", HasCLWB)
+ .Case("clzero", HasCLZERO)
.Case("cx16", HasCX16)
.Case("f16c", HasF16C)
.Case("fma", HasFMA)
Modified: cfe/trunk/lib/Headers/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/CMakeLists.txt?rev=294559&r1=294558&r2=294559&view=diff
==============================================================================
--- cfe/trunk/lib/Headers/CMakeLists.txt (original)
+++ cfe/trunk/lib/Headers/CMakeLists.txt Thu Feb 9 00:10:14 2017
@@ -28,6 +28,7 @@ set(files
__clang_cuda_intrinsics.h
__clang_cuda_math_forward_declares.h
__clang_cuda_runtime_wrapper.h
+ clzerointrin.h
cpuid.h
clflushoptintrin.h
emmintrin.h
Added: cfe/trunk/lib/Headers/clzerointrin.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/clzerointrin.h?rev=294559&view=auto
==============================================================================
--- cfe/trunk/lib/Headers/clzerointrin.h (added)
+++ cfe/trunk/lib/Headers/clzerointrin.h Thu Feb 9 00:10:14 2017
@@ -0,0 +1,50 @@
+/*===----------------------- clzerointrin.h - CLZERO ----------------------===
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ *===-----------------------------------------------------------------------===
+ */
+#ifndef __X86INTRIN_H
+#error "Never use <clzerointrin.h> directly; include <x86intrin.h> instead."
+#endif
+
+#ifndef _CLZEROINTRIN_H
+#define _CLZEROINTRIN_H
+
+/* Define the default attributes for the functions in this file. */
+#define __DEFAULT_FN_ATTRS \
+ __attribute__((__always_inline__, __nodebug__, __target__("clzero")))
+
+/// \brief Loads the cache line address and zero's out the cacheline
+///
+/// \headerfile <clzerointrin.h>
+///
+/// This intrinsic corresponds to the <c> CLZERO </c> instruction.
+///
+/// \param __line
+/// A pointer to a cacheline which needs to be zeroed out.
+static __inline__ void __DEFAULT_FN_ATTRS
+_mm_clzero (void * __line)
+{
+ __builtin_ia32_clzero ((void *)__line);
+}
+
+#undef __DEFAULT_FN_ATTRS
+
+#endif /* _CLZEROINTRIN_H */
Modified: cfe/trunk/lib/Headers/module.modulemap
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/module.modulemap?rev=294559&r1=294558&r2=294559&view=diff
==============================================================================
--- cfe/trunk/lib/Headers/module.modulemap (original)
+++ cfe/trunk/lib/Headers/module.modulemap Thu Feb 9 00:10:14 2017
@@ -61,6 +61,7 @@ module _Builtin_intrinsics [system] [ext
textual header "xopintrin.h"
textual header "fma4intrin.h"
textual header "mwaitxintrin.h"
+ textual header "clzerointrin.h"
explicit module mm_malloc {
requires !freestanding
Modified: cfe/trunk/lib/Headers/x86intrin.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/x86intrin.h?rev=294559&r1=294558&r2=294559&view=diff
==============================================================================
--- cfe/trunk/lib/Headers/x86intrin.h (original)
+++ cfe/trunk/lib/Headers/x86intrin.h Thu Feb 9 00:10:14 2017
@@ -80,6 +80,10 @@
#include <mwaitxintrin.h>
#endif
+#if !defined(_MSC_VER) || __has_feature(modules) || defined(__CLZERO__)
+#include <clzerointrin.h>
+#endif
+
/* FIXME: LWP */
#endif /* __X86INTRIN_H */
Modified: cfe/trunk/test/CodeGen/builtin-clflushopt.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtin-clflushopt.c?rev=294559&r1=294558&r2=294559&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/builtin-clflushopt.c (original)
+++ cfe/trunk/test/CodeGen/builtin-clflushopt.c Thu Feb 9 00:10:14 2017
@@ -3,7 +3,7 @@
#include <immintrin.h>
void test_mm_clflushopt(char * __m) {
- //CHECK-LABLE: @test_mm_clflushopt
+ //CHECK-LABEL: @test_mm_clflushopt
//CHECK: @llvm.x86.clflushopt
_mm_clflushopt(__m);
}
Added: cfe/trunk/test/CodeGen/builtin-clzero.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtin-clzero.c?rev=294559&view=auto
==============================================================================
--- cfe/trunk/test/CodeGen/builtin-clzero.c (added)
+++ cfe/trunk/test/CodeGen/builtin-clzero.c Thu Feb 9 00:10:14 2017
@@ -0,0 +1,9 @@
+// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin -target-feature +clzero -emit-llvm -o - -Wall -Werror | FileCheck %s
+#define __MM_MALLOC_H
+
+#include <x86intrin.h>
+void test_mm_clzero(void * __m) {
+ //CHECK-LABEL: @test_mm_clzero
+ //CHECK: @llvm.x86.clflushopt
+ _mm_clzero(__m);
+}
Modified: cfe/trunk/test/CodeGen/builtins-x86.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtins-x86.c?rev=294559&r1=294558&r2=294559&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/builtins-x86.c (original)
+++ cfe/trunk/test/CodeGen/builtins-x86.c Thu Feb 9 00:10:14 2017
@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 -DUSE_64 -triple x86_64-unknown-unknown -target-feature +fxsr -target-feature +avx -target-feature +xsaveopt -target-feature +xsaves -target-feature +xsavec -target-feature +mwaitx -emit-llvm -o %t %s
-// RUN: %clang_cc1 -DUSE_ALL -triple x86_64-unknown-unknown -target-feature +fxsr -target-feature +avx -target-feature +xsaveopt -target-feature +xsaves -target-feature +xsavec -target-feature +mwaitx -fsyntax-only -o %t %s
+// RUN: %clang_cc1 -DUSE_64 -triple x86_64-unknown-unknown -target-feature +fxsr -target-feature +avx -target-feature +xsaveopt -target-feature +xsaves -target-feature +xsavec -target-feature +mwaitx -target-feature +clzero -emit-llvm -o %t %s
+// RUN: %clang_cc1 -DUSE_ALL -triple x86_64-unknown-unknown -target-feature +fxsr -target-feature +avx -target-feature +xsaveopt -target-feature +xsaves -target-feature +xsavec -target-feature +mwaitx -target-feature +clzero -fsyntax-only -o %t %s
#ifdef USE_ALL
#define USE_3DNOW
@@ -285,6 +285,7 @@ void f0() {
(void) __builtin_ia32_monitorx(tmp_vp, tmp_Ui, tmp_Ui);
(void) __builtin_ia32_mwaitx(tmp_Ui, tmp_Ui, tmp_Ui);
+ (void) __builtin_ia32_clzero(tmp_vp);
tmp_V4f = __builtin_ia32_cvtpi2ps(tmp_V4f, tmp_V2i);
tmp_V2i = __builtin_ia32_cvtps2pi(tmp_V4f);
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=294559&r1=294558&r2=294559&view=diff
==============================================================================
--- cfe/trunk/test/Driver/x86-target-features.c (original)
+++ cfe/trunk/test/Driver/x86-target-features.c Thu Feb 9 00:10:14 2017
@@ -79,3 +79,8 @@
// 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"
+
+// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mclzero %s -### -o %t.o 2>&1 | FileCheck -check-prefix=CLZERO %s
+// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-clzero %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-CLZERO %s
+// CLZERO: "-target-feature" "+clzero"
+// NO-CLZERO: "-target-feature" "-clzero"
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=294559&r1=294558&r2=294559&view=diff
==============================================================================
--- cfe/trunk/test/Preprocessor/predefined-arch-macros.c (original)
+++ cfe/trunk/test/Preprocessor/predefined-arch-macros.c Thu Feb 9 00:10:14 2017
@@ -1883,6 +1883,7 @@
// CHECK_ZNVER1_M32: #define __BMI2__ 1
// CHECK_ZNVER1_M32: #define __BMI__ 1
// CHECK_ZNVER1_M32: #define __CLFLUSHOPT__ 1
+// CHECK_ZNVER1_M32: #define __CLZERO__ 1
// CHECK_ZNVER1_M32: #define __F16C__ 1
// CHECK_ZNVER1_M32: #define __FMA__ 1
// CHECK_ZNVER1_M32: #define __FSGSBASE__ 1
@@ -1924,6 +1925,7 @@
// CHECK_ZNVER1_M64: #define __BMI2__ 1
// CHECK_ZNVER1_M64: #define __BMI__ 1
// CHECK_ZNVER1_M64: #define __CLFLUSHOPT__ 1
+// CHECK_ZNVER1_M64: #define __CLZERO__ 1
// CHECK_ZNVER1_M64: #define __F16C__ 1
// CHECK_ZNVER1_M64: #define __FMA__ 1
// CHECK_ZNVER1_M64: #define __FSGSBASE__ 1
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