r278814 - Revert "[X86] Add xgetbv/x[X86] Add xgetbv xsetbv intrinsics to non-windows platforms"
Reid Kleckner via cfe-commits
cfe-commits at lists.llvm.org
Tue Aug 16 09:04:15 PDT 2016
Author: rnk
Date: Tue Aug 16 11:04:14 2016
New Revision: 278814
URL: http://llvm.org/viewvc/llvm-project?rev=278814&view=rev
Log:
Revert "[X86] Add xgetbv/x[X86] Add xgetbv xsetbv intrinsics to non-windows platforms"
This reverts commit r278783. It breaks usage of _xgetbv on Windows.
Modified:
cfe/trunk/include/clang/Basic/BuiltinsX86.def
cfe/trunk/lib/CodeGen/CGBuiltin.cpp
cfe/trunk/lib/Headers/intrin.h
cfe/trunk/lib/Headers/xsaveintrin.h
cfe/trunk/test/CodeGen/builtins-x86.c
cfe/trunk/test/CodeGen/x86_32-xsave.c
cfe/trunk/test/CodeGen/x86_64-xsave.c
cfe/trunk/test/Headers/ms-intrin.cpp
Modified: cfe/trunk/include/clang/Basic/BuiltinsX86.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/BuiltinsX86.def?rev=278814&r1=278813&r2=278814&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/BuiltinsX86.def (original)
+++ cfe/trunk/include/clang/Basic/BuiltinsX86.def Tue Aug 16 11:04:14 2016
@@ -644,8 +644,6 @@ TARGET_BUILTIN(__builtin_ia32_fxsave64,
// XSAVE
TARGET_BUILTIN(__builtin_ia32_xsave, "vv*ULLi", "", "xsave")
TARGET_BUILTIN(__builtin_ia32_xsave64, "vv*ULLi", "", "xsave")
-TARGET_BUILTIN(__builtin_ia32_xgetbv, "ULLiUi", "", "xsave")
-TARGET_BUILTIN(__builtin_ia32_xsetbv, "vUiULLi", "", "xsave")
TARGET_BUILTIN(__builtin_ia32_xrstor, "vv*ULLi", "", "xsave")
TARGET_BUILTIN(__builtin_ia32_xrstor64, "vv*ULLi", "", "xsave")
TARGET_BUILTIN(__builtin_ia32_xsaveopt, "vv*ULLi", "", "xsaveopt")
Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=278814&r1=278813&r2=278814&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Tue Aug 16 11:04:14 2016
@@ -6915,8 +6915,7 @@ Value *CodeGenFunction::EmitX86BuiltinEx
case X86::BI__builtin_ia32_xsavec:
case X86::BI__builtin_ia32_xsavec64:
case X86::BI__builtin_ia32_xsaves:
- case X86::BI__builtin_ia32_xsaves64:
- case X86::BI__builtin_ia32_xsetbv: {
+ case X86::BI__builtin_ia32_xsaves64: {
Intrinsic::ID ID;
#define INTRINSIC_X86_XSAVE_ID(NAME) \
case X86::BI__builtin_ia32_##NAME: \
@@ -6936,7 +6935,6 @@ Value *CodeGenFunction::EmitX86BuiltinEx
INTRINSIC_X86_XSAVE_ID(xsavec64);
INTRINSIC_X86_XSAVE_ID(xsaves);
INTRINSIC_X86_XSAVE_ID(xsaves64);
- INTRINSIC_X86_XSAVE_ID(xsetbv);
}
#undef INTRINSIC_X86_XSAVE_ID
Value *Mhi = Builder.CreateTrunc(
@@ -6946,8 +6944,6 @@ Value *CodeGenFunction::EmitX86BuiltinEx
Ops.push_back(Mlo);
return Builder.CreateCall(CGM.getIntrinsic(ID), Ops);
}
- case X86::BI__builtin_ia32_xgetbv:
- return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::x86_xgetbv), Ops);
case X86::BI__builtin_ia32_storedqudi128_mask:
case X86::BI__builtin_ia32_storedqusi128_mask:
case X86::BI__builtin_ia32_storedquhi128_mask:
Modified: cfe/trunk/lib/Headers/intrin.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/intrin.h?rev=278814&r1=278813&r2=278814&view=diff
==============================================================================
--- cfe/trunk/lib/Headers/intrin.h (original)
+++ cfe/trunk/lib/Headers/intrin.h Tue Aug 16 11:04:14 2016
@@ -289,6 +289,10 @@ static __inline__
void _WriteBarrier(void);
unsigned __int32 xbegin(void);
void _xend(void);
+static __inline__
+#define _XCR_XFEATURE_ENABLED_MASK 0
+unsigned __int64 __cdecl _xgetbv(unsigned int);
+void __cdecl _xsetbv(unsigned int, unsigned __int64);
/* These additional intrinsics are turned on in x64/amd64/x86_64 mode. */
#ifdef __x86_64__
@@ -904,6 +908,12 @@ __cpuidex(int __info[4], int __level, in
__asm__ ("cpuid" : "=a"(__info[0]), "=b" (__info[1]), "=c"(__info[2]), "=d"(__info[3])
: "a"(__level), "c"(__ecx));
}
+static __inline__ unsigned __int64 __cdecl __DEFAULT_FN_ATTRS
+_xgetbv(unsigned int __xcr_no) {
+ unsigned int __eax, __edx;
+ __asm__ ("xgetbv" : "=a" (__eax), "=d" (__edx) : "c" (__xcr_no));
+ return ((unsigned __int64)__edx << 32) | __eax;
+}
static __inline__ void __DEFAULT_FN_ATTRS
__halt(void) {
__asm__ volatile ("hlt");
Modified: cfe/trunk/lib/Headers/xsaveintrin.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/xsaveintrin.h?rev=278814&r1=278813&r2=278814&view=diff
==============================================================================
--- cfe/trunk/lib/Headers/xsaveintrin.h (original)
+++ cfe/trunk/lib/Headers/xsaveintrin.h Tue Aug 16 11:04:14 2016
@@ -28,8 +28,6 @@
#ifndef __XSAVEINTRIN_H
#define __XSAVEINTRIN_H
-#define _XCR_XFEATURE_ENABLED_MASK 0
-
/* Define the default attributes for the functions in this file. */
#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("xsave")))
@@ -43,16 +41,6 @@ _xrstor(void *__p, unsigned long long __
return __builtin_ia32_xrstor(__p, __m);
}
-static __inline__ unsigned long long __DEFAULT_FN_ATTRS
-_xgetbv(unsigned int __a) {
- return __builtin_ia32_xgetbv(__a);
-}
-
-static __inline__ void __DEFAULT_FN_ATTRS
-_xsetbv(unsigned int __a, unsigned long long __b) {
- __builtin_ia32_xsetbv(__a, __b);
-}
-
#ifdef __x86_64__
static __inline__ void __DEFAULT_FN_ATTRS
_xsave64(void *__p, unsigned long long __m) {
@@ -63,7 +51,6 @@ static __inline__ void __DEFAULT_FN_ATTR
_xrstor64(void *__p, unsigned long long __m) {
return __builtin_ia32_xrstor64(__p, __m);
}
-
#endif
#undef __DEFAULT_FN_ATTRS
Modified: cfe/trunk/test/CodeGen/builtins-x86.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtins-x86.c?rev=278814&r1=278813&r2=278814&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/builtins-x86.c (original)
+++ cfe/trunk/test/CodeGen/builtins-x86.c Tue Aug 16 11:04:14 2016
@@ -270,8 +270,6 @@ void f0() {
(void)__builtin_ia32_xsave(tmp_vp, tmp_ULLi);
(void)__builtin_ia32_xsave64(tmp_vp, tmp_ULLi);
- tmp_ULLi = __builtin_ia32_xgetbv(tmp_Ui);
- (void)__builtin_ia32_xsetbv(tmp_Ui, tmp_ULLi);
(void)__builtin_ia32_xrstor(tmp_vp, tmp_ULLi);
(void)__builtin_ia32_xrstor64(tmp_vp, tmp_ULLi);
(void)__builtin_ia32_xsaveopt(tmp_vp, tmp_ULLi);
Modified: cfe/trunk/test/CodeGen/x86_32-xsave.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/x86_32-xsave.c?rev=278814&r1=278813&r2=278814&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/x86_32-xsave.c (original)
+++ cfe/trunk/test/CodeGen/x86_32-xsave.c Tue Aug 16 11:04:14 2016
@@ -1,9 +1,6 @@
// RUN: %clang_cc1 %s -DTEST_XSAVE -O0 -triple=i686-unknown-unknown -target-feature +xsave -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefix=XSAVE
// RUN: %clang_cc1 %s -DTEST_XSAVE -O0 -triple=i686-unknown-unknown -target-feature +xsave -fno-signed-char -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefix=XSAVE
-// RUN: %clang_cc1 %s -DTEST_XGETBV -O0 -triple=i686-unknown-unknown -target-feature +xsave -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefix=XGETBV
-// RUN: %clang_cc1 %s -DTEST_XSETBV -O0 -triple=i686-unknown-unknown -target-feature +xsave -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefix=XSETBV
-
// RUN: %clang_cc1 %s -DTEST_XSAVEOPT -O0 -triple=i686-unknown-unknown -target-feature +xsave -target-feature +xsaveopt -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefix=XSAVEOPT
// RUN: %clang_cc1 %s -DTEST_XSAVEOPT -O0 -triple=i686-unknown-unknown -target-feature +xsave -target-feature +xsaveopt -fno-signed-char -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefix=XSAVEOPT
@@ -13,15 +10,9 @@
// RUN: %clang_cc1 %s -DTEST_XSAVES -O0 -triple=i686-unknown-unknown -target-feature +xsave -target-feature +xsaves -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefix=XSAVES
// RUN: %clang_cc1 %s -DTEST_XSAVES -O0 -triple=i686-unknown-unknown -target-feature +xsave -target-feature +xsaves -fno-signed-char -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefix=XSAVES
-// Don't include mm_malloc.h, it's system specific.
-#define __MM_MALLOC_H
-#include <x86intrin.h>
-
void test() {
- unsigned long long tmp_ULLi;
- unsigned int tmp_Ui;
- void* tmp_vp;
- tmp_ULLi = 0; tmp_Ui = 0; tmp_vp = 0;
+ unsigned long long tmp_ULLi = 0;
+ void* tmp_vp = 0;
#ifdef TEST_XSAVE
// XSAVE: [[tmp_vp_1:%[0-9a-zA-z]+]] = load i8*, i8** %tmp_vp, align 4
@@ -39,12 +30,6 @@ void test() {
// XSAVE: [[low32_3:%[0-9a-zA-z]+]] = trunc i64 [[tmp_ULLi_3]] to i32
// XSAVE: call void @llvm.x86.xrstor(i8* [[tmp_vp_3]], i32 [[high32_3]], i32 [[low32_3]])
(void)__builtin_ia32_xrstor(tmp_vp, tmp_ULLi);
-
-// XSAVE: call void @llvm.x86.xsave
- (void)_xsave(tmp_vp, tmp_ULLi);
-
-// XSAVE: call void @llvm.x86.xrstor
- (void)_xrstor(tmp_vp, tmp_ULLi);
#endif
#ifdef TEST_XSAVEOPT
@@ -55,9 +40,6 @@ void test() {
// XSAVEOPT: [[low32_1:%[0-9a-zA-z]+]] = trunc i64 [[tmp_ULLi_1]] to i32
// XSAVEOPT: call void @llvm.x86.xsaveopt(i8* [[tmp_vp_1]], i32 [[high32_1]], i32 [[low32_1]])
(void)__builtin_ia32_xsaveopt(tmp_vp, tmp_ULLi);
-
-// XSAVEOPT: call void @llvm.x86.xsaveopt
- (void)_xsaveopt(tmp_vp, tmp_ULLi);
#endif
#ifdef TEST_XSAVEC
@@ -68,9 +50,6 @@ void test() {
// XSAVEC: [[low32_1:%[0-9a-zA-z]+]] = trunc i64 [[tmp_ULLi_1]] to i32
// XSAVEC: call void @llvm.x86.xsavec(i8* [[tmp_vp_1]], i32 [[high32_1]], i32 [[low32_1]])
(void)__builtin_ia32_xsavec(tmp_vp, tmp_ULLi);
-
-// XSAVEC: call void @llvm.x86.xsavec
- (void)_xsavec(tmp_vp, tmp_ULLi);
#endif
#ifdef TEST_XSAVES
@@ -89,34 +68,5 @@ void test() {
// XSAVES: [[low32_3:%[0-9a-zA-z]+]] = trunc i64 [[tmp_ULLi_3]] to i32
// XSAVES: call void @llvm.x86.xrstors(i8* [[tmp_vp_3]], i32 [[high32_3]], i32 [[low32_3]])
(void)__builtin_ia32_xrstors(tmp_vp, tmp_ULLi);
-
-// XSAVES: call void @llvm.x86.xsaves
- (void)_xsaves(tmp_vp, tmp_ULLi);
-
-// XSAVES: call void @llvm.x86.xrstors
- (void)_xrstors(tmp_vp, tmp_ULLi);
-#endif
-
-#ifdef TEST_XGETBV
-// XGETBV: [[tmp_Ui:%[0-9a-zA-z]+]] = load i32, i32* %tmp_Ui, align 4
-// XGETBV: call i64 @llvm.x86.xgetbv(i32 [[tmp_Ui]])
- tmp_ULLi = __builtin_ia32_xgetbv(tmp_Ui);
-
-// XGETBV: call i64 @llvm.x86.xgetbv
- tmp_ULLi = _xgetbv(tmp_Ui);
-#endif
-
-#ifdef TEST_XSETBV
-// XSETBV: [[tmp_Ui:%[0-9a-zA-z]+]] = load i32, i32* %tmp_Ui, align 4
-// XSETBV: [[tmp_ULLi_3:%[0-9a-zA-z]+]] = load i64, i64* %tmp_ULLi, align 8
-// XSETBV: [[high64_3:%[0-9a-zA-z]+]] = lshr i64 [[tmp_ULLi_3]], 32
-// XSETBV: [[high32_3:%[0-9a-zA-z]+]] = trunc i64 [[high64_3]] to i32
-// XSETBV: [[low32_3:%[0-9a-zA-z]+]] = trunc i64 [[tmp_ULLi_3]] to i32
-// XSETBV: call void @llvm.x86.xsetbv(i32 [[tmp_Ui]], i32 [[high32_3]], i32 [[low32_3]])
- (void)__builtin_ia32_xsetbv(tmp_Ui, tmp_ULLi);
-
- // XSETBV: call void @llvm.x86.xsetbv
- (void)_xsetbv(tmp_Ui, tmp_ULLi);
#endif
-
-}
\ No newline at end of file
+}
Modified: cfe/trunk/test/CodeGen/x86_64-xsave.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/x86_64-xsave.c?rev=278814&r1=278813&r2=278814&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/x86_64-xsave.c (original)
+++ cfe/trunk/test/CodeGen/x86_64-xsave.c Tue Aug 16 11:04:14 2016
@@ -1,9 +1,6 @@
// RUN: %clang_cc1 %s -DTEST_XSAVE -O0 -triple=x86_64-unknown-unknown -target-feature +xsave -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefix=XSAVE
// RUN: %clang_cc1 %s -DTEST_XSAVE -O0 -triple=x86_64-unknown-unknown -target-feature +xsave -fno-signed-char -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefix=XSAVE
-// RUN: %clang_cc1 %s -DTEST_XGETBV -O0 -triple=x86_64-unknown-unknown -target-feature +xsave -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefix=XGETBV
-// RUN: %clang_cc1 %s -DTEST_XSETBV -O0 -triple=x86_64-unknown-unknown -target-feature +xsave -fno-signed-char -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefix=XSETBV
-
// RUN: %clang_cc1 %s -DTEST_XSAVEOPT -O0 -triple=x86_64-unknown-unknown -target-feature +xsave -target-feature +xsaveopt -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefix=XSAVEOPT
// RUN: %clang_cc1 %s -DTEST_XSAVEOPT -O0 -triple=x86_64-unknown-unknown -target-feature +xsave -target-feature +xsaveopt -fno-signed-char -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefix=XSAVEOPT
@@ -13,16 +10,9 @@
// RUN: %clang_cc1 %s -DTEST_XSAVES -O0 -triple=x86_64-unknown-unknown -target-feature +xsave -target-feature +xsaves -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefix=XSAVES
// RUN: %clang_cc1 %s -DTEST_XSAVES -O0 -triple=x86_64-unknown-unknown -target-feature +xsave -target-feature +xsaves -fno-signed-char -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefix=XSAVES
-// Don't include mm_malloc.h, it's system specific.
-#define __MM_MALLOC_H
-#include <x86intrin.h>
-
-
void test() {
- unsigned long long tmp_ULLi;
- unsigned int tmp_Ui;
- void* tmp_vp;
- tmp_ULLi = 0; tmp_Ui = 0; tmp_vp = 0;
+ unsigned long long tmp_ULLi = 0;
+ void* tmp_vp = 0;
#ifdef TEST_XSAVE
// XSAVE: [[tmp_vp_1:%[0-9a-zA-z]+]] = load i8*, i8** %tmp_vp, align 8
@@ -56,18 +46,6 @@ void test() {
// XSAVE: [[low32_4:%[0-9a-zA-z]+]] = trunc i64 [[tmp_ULLi_4]] to i32
// XSAVE: call void @llvm.x86.xrstor64(i8* [[tmp_vp_4]], i32 [[high32_4]], i32 [[low32_4]])
(void)__builtin_ia32_xrstor64(tmp_vp, tmp_ULLi);
-
-// XSAVE: call void @llvm.x86.xsave
- (void)_xsave(tmp_vp, tmp_ULLi);
-
-// XSAVE: call void @llvm.x86.xsave64
- (void)_xsave64(tmp_vp, tmp_ULLi);
-
-// XSAVE: call void @llvm.x86.xrstor
- (void)_xrstor(tmp_vp, tmp_ULLi);
-
-// XSAVE: call void @llvm.x86.xrstor64
- (void)_xrstor64(tmp_vp, tmp_ULLi);
#endif
#ifdef TEST_XSAVEOPT
@@ -86,12 +64,6 @@ void test() {
// XSAVEOPT: [[low32_2:%[0-9a-zA-z]+]] = trunc i64 [[tmp_ULLi_2]] to i32
// XSAVEOPT: call void @llvm.x86.xsaveopt64(i8* [[tmp_vp_2]], i32 [[high32_2]], i32 [[low32_2]])
(void)__builtin_ia32_xsaveopt64(tmp_vp, tmp_ULLi);
-
-// XSAVEOPT: call void @llvm.x86.xsaveopt
- (void)_xsaveopt(tmp_vp, tmp_ULLi);
-
-// XSAVEOPT: call void @llvm.x86.xsaveopt64
- (void)_xsaveopt64(tmp_vp, tmp_ULLi);
#endif
#ifdef TEST_XSAVEC
@@ -110,12 +82,6 @@ void test() {
// XSAVEC: [[low32_2:%[0-9a-zA-z]+]] = trunc i64 [[tmp_ULLi_2]] to i32
// XSAVEC: call void @llvm.x86.xsavec64(i8* [[tmp_vp_2]], i32 [[high32_2]], i32 [[low32_2]])
(void)__builtin_ia32_xsavec64(tmp_vp, tmp_ULLi);
-
-// XSAVEC: call void @llvm.x86.xsavec
- (void)_xsavec(tmp_vp, tmp_ULLi);
-
-// XSAVEC: call void @llvm.x86.xsavec64
- (void)_xsavec64(tmp_vp, tmp_ULLi);
#endif
#ifdef TEST_XSAVES
@@ -150,39 +116,5 @@ void test() {
// XSAVES: [[low32_4:%[0-9a-zA-z]+]] = trunc i64 [[tmp_ULLi_4]] to i32
// XSAVES: call void @llvm.x86.xrstors64(i8* [[tmp_vp_4]], i32 [[high32_4]], i32 [[low32_4]])
(void)__builtin_ia32_xrstors64(tmp_vp, tmp_ULLi);
-
-// XSAVES: call void @llvm.x86.xsaves
- (void)_xsaves(tmp_vp, tmp_ULLi);
-
-// XSAVES: call void @llvm.x86.xsaves64
- (void)_xsaves64(tmp_vp, tmp_ULLi);
-
-// XSAVES: call void @llvm.x86.xrstors
- (void)_xrstors(tmp_vp, tmp_ULLi);
-
-// XSAVES: call void @llvm.x86.xrstors64
- (void)_xrstors64(tmp_vp, tmp_ULLi);
-#endif
-
-#ifdef TEST_XGETBV
-// XGETBV: [[tmp_Ui:%[0-9a-zA-z]+]] = load i32, i32* %tmp_Ui, align 4
-// XGETBV: call i64 @llvm.x86.xgetbv(i32 [[tmp_Ui]])
- tmp_ULLi = __builtin_ia32_xgetbv(tmp_Ui);
-
-// XGETBV: call i64 @llvm.x86.xgetbv
- tmp_ULLi = _xgetbv(tmp_Ui);
-#endif
-
-#ifdef TEST_XSETBV
-// XSETBV: [[tmp_Ui:%[0-9a-zA-z]+]] = load i32, i32* %tmp_Ui, align 4
-// XSETBV: [[tmp_ULLi_3:%[0-9a-zA-z]+]] = load i64, i64* %tmp_ULLi, align 8
-// XSETBV: [[high64_3:%[0-9a-zA-z]+]] = lshr i64 [[tmp_ULLi_3]], 32
-// XSETBV: [[high32_3:%[0-9a-zA-z]+]] = trunc i64 [[high64_3]] to i32
-// XSETBV: [[low32_3:%[0-9a-zA-z]+]] = trunc i64 [[tmp_ULLi_3]] to i32
-// XSETBV: call void @llvm.x86.xsetbv(i32 [[tmp_Ui]], i32 [[high32_3]], i32 [[low32_3]])
- (void)__builtin_ia32_xsetbv(tmp_Ui, tmp_ULLi);
-
- // XSETBV: call void @llvm.x86.xsetbv
- (void)_xsetbv(tmp_Ui, tmp_ULLi);
#endif
}
Modified: cfe/trunk/test/Headers/ms-intrin.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Headers/ms-intrin.cpp?rev=278814&r1=278813&r2=278814&view=diff
==============================================================================
--- cfe/trunk/test/Headers/ms-intrin.cpp (original)
+++ cfe/trunk/test/Headers/ms-intrin.cpp Tue Aug 16 11:04:14 2016
@@ -50,6 +50,7 @@ void f() {
int info[4];
__cpuid(info, 0);
__cpuidex(info, 0, 0);
+ _xgetbv(0);
__halt();
__readmsr(0);
More information about the cfe-commits
mailing list