[X86] ptwrite intrinsic

Reviewers: craig.topper, RKSimon

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D46540




git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@331962 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 51 insertions, 0 deletions

diff --git a/lib/Headers/ptwriteintrin.h b/lib/Headers/ptwriteintrin.h
new file mode 100644
index 0000000000..4dacf1743f
--- /dev/null
+++ b/lib/Headers/ptwriteintrin.h
@@ -0,0 +1,51 @@
+/*===------------ ptwriteintrin.h - PTWRITE intrinsic --------------------===
+ *
+ * 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 <ptwriteintrin.h> directly; include <x86intrin.h> instead."
+#endif
+
+#ifndef __PTWRITEINTRIN_H
+#define __PTWRITEINTRIN_H
+
+/* Define the default attributes for the functions in this file. */
+#define __DEFAULT_FN_ATTRS \
+  __attribute__((__always_inline__, __nodebug__,  __target__("ptwrite")))
+
+static __inline__ void __DEFAULT_FN_ATTRS
+_ptwrite32(unsigned int __value) {
+  __builtin_ia32_ptwrite32(__value);
+}
+
+#ifdef __x86_64__
+
+static __inline__ void __DEFAULT_FN_ATTRS
+_ptwrite64(unsigned long long __value) {
+  __builtin_ia32_ptwrite64(__value);
+}
+
+#endif /* __x86_64__ */
+
+#undef __DEFAULT_FN_ATTRS
+
+#endif /* __PTWRITEINTRIN_H */