1 files changed, 68 insertions, 0 deletions
diff --git a/lib/Headers/ia32intrin.h b/lib/Headers/ia32intrin.h
index 8e38df73187d1..79b7f0655cf01 100644
--- a/lib/Headers/ia32intrin.h
+++ b/lib/Headers/ia32intrin.h
@@ -195,6 +195,74 @@ __writeeflags(unsigned int __f)
 }
 #endif /* !__x86_64__ */
 
+/** Cast a 32-bit float value to a 32-bit unsigned integer value
+ *
+ *  \headerfile <x86intrin.h>
+ *  This intrinsic corresponds to the <c> VMOVD / MOVD </c> instruction in x86_64,
+ *  and corresponds to the <c> VMOVL / MOVL </c> instruction in ia32.
+ *
+ *  \param __A
+ *     A 32-bit float value.
+ *  \returns a 32-bit unsigned integer containing the converted value.
+ */
+static __inline__ unsigned int __attribute__((__always_inline__))
+_castf32_u32(float __A) {
+  unsigned int D;
+  __builtin_memcpy(&D, &__A, sizeof(__A));
+  return D;
+}
+
+/** Cast a 64-bit float value to a 64-bit unsigned integer value
+ *
+ *  \headerfile <x86intrin.h>
+ *  This intrinsic corresponds to the <c> VMOVQ / MOVQ </c> instruction in x86_64,
+ *  and corresponds to the <c> VMOVL / MOVL </c> instruction in ia32.
+ *
+ *  \param __A
+ *     A 64-bit float value.
+ *  \returns a 64-bit unsigned integer containing the converted value.
+ */
+static __inline__ unsigned long long __attribute__((__always_inline__))
+_castf64_u64(double __A) {
+  unsigned long long D;
+  __builtin_memcpy(&D, &__A, sizeof(__A));
+  return D;
+}
+
+/** Cast a 32-bit unsigned integer value to a 32-bit float value
+ *
+ *  \headerfile <x86intrin.h>
+ *  This intrinsic corresponds to the <c> VMOVQ / MOVQ </c> instruction in x86_64,
+ *  and corresponds to the <c> FLDS </c> instruction in ia32.
+ *
+ *  \param __A
+ *     A 32-bit unsigned integer value.
+ *  \returns a 32-bit float value containing the converted value.
+ */
+static __inline__ float __attribute__((__always_inline__))
+_castu32_f32(unsigned int __A) {
+  float D;
+  __builtin_memcpy(&D, &__A, sizeof(__A));
+  return D;
+}
+
+/** Cast a 64-bit unsigned integer value to a 64-bit float value
+ *
+ *  \headerfile <x86intrin.h>
+ *  This intrinsic corresponds to the <c> VMOVQ / MOVQ </c> instruction in x86_64,
+ *  and corresponds to the <c> FLDL </c> instruction in ia32.
+ *
+ *  \param __A
+ *     A 64-bit unsigned integer value.
+ *  \returns a 64-bit float value containing the converted value.
+ */
+static __inline__ double __attribute__((__always_inline__))
+_castu64_f64(unsigned long long __A) {
+  double D;
+  __builtin_memcpy(&D, &__A, sizeof(__A));
+  return D;
+}
+
 /** Adds the unsigned integer operand to the CRC-32C checksum of the
  *     unsigned char operand.
  *