1 files changed, 86 insertions, 0 deletions
diff --git a/clang/lib/Headers/ia32intrin.h b/clang/lib/Headers/ia32intrin.h
index 0d8247993d4..dcbb1e0ab51 100644
--- a/clang/lib/Headers/ia32intrin.h
+++ b/clang/lib/Headers/ia32intrin.h
@@ -55,6 +55,92 @@ __writeeflags(unsigned int __f)
 }
 #endif /* !__x86_64__ */
 
+/** Adds the unsigned integer operand to the CRC-32C checksum of the
+ *     unsigned char operand.
+ *
+ *  \headerfile <x86intrin.h>
+ *
+ *  This intrinsic corresponds to the <c> CRC32B </c> instruction.
+ *
+ *  \param __C
+ *     An unsigned integer operand to add to the CRC-32C checksum of operand
+ *     \a  __D.
+ *  \param __D
+ *     An unsigned 8-bit integer operand used to compute the CRC-32C checksum.
+ *  \returns The result of adding operand \a __C to the CRC-32C checksum of
+ *     operand \a __D.
+ */
+static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__, __target__("sse4.2")))
+__crc32b(unsigned int __C, unsigned char __D)
+{
+  return __builtin_ia32_crc32qi(__C, __D);
+}
+
+/** Adds the unsigned integer operand to the CRC-32C checksum of the
+ *     unsigned short operand.
+ *
+ *  \headerfile <x86intrin.h>
+ *
+ *  This intrinsic corresponds to the <c> CRC32W </c> instruction.
+ *
+ *  \param __C
+ *     An unsigned integer operand to add to the CRC-32C checksum of operand
+ *     \a  __D.
+ *  \param __D
+ *     An unsigned 16-bit integer operand used to compute the CRC-32C checksum.
+ *  \returns The result of adding operand \a __C to the CRC-32C checksum of
+ *     operand \a __D.
+ */
+static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__, __target__("sse4.2")))
+__crc32w(unsigned int __C, unsigned short __D)
+{
+  return __builtin_ia32_crc32hi(__C, __D);
+}
+
+/** Adds the unsigned integer operand to the CRC-32C checksum of the
+ *     second unsigned integer operand.
+ *
+ *  \headerfile <x86intrin.h>
+ *
+ *  This intrinsic corresponds to the <c> CRC32D </c> instruction.
+ *
+ *  \param __C
+ *     An unsigned integer operand to add to the CRC-32C checksum of operand
+ *     \a  __D.
+ *  \param __D
+ *     An unsigned 32-bit integer operand used to compute the CRC-32C checksum.
+ *  \returns The result of adding operand \a __C to the CRC-32C checksum of
+ *     operand \a __D.
+ */
+static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__, __target__("sse4.2")))
+__crc32d(unsigned int __C, unsigned int __D)
+{
+  return __builtin_ia32_crc32si(__C, __D);
+}
+
+#ifdef __x86_64__
+/** Adds the unsigned integer operand to the CRC-32C checksum of the
+ *     unsigned 64-bit integer operand.
+ *
+ *  \headerfile <x86intrin.h>
+ *
+ *  This intrinsic corresponds to the <c> CRC32Q </c> instruction.
+ *
+ *  \param __C
+ *     An unsigned integer operand to add to the CRC-32C checksum of operand
+ *     \a  __D.
+ *  \param __D
+ *     An unsigned 64-bit integer operand used to compute the CRC-32C checksum.
+ *  \returns The result of adding operand \a __C to the CRC-32C checksum of
+ *     operand \a __D.
+ */
+static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__, __target__("sse4.2")))
+__crc32q(unsigned long long __C, unsigned long long __D)
+{
+  return __builtin_ia32_crc32di(__C, __D);
+}
+#endif /* __x86_64__ */
+
 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
 __rdpmc(int __A) {
   return __builtin_ia32_rdpmc(__A);