diff --git a/clang/include/clang/Basic/BuiltinsX86.def b/clang/include/clang/Basic/BuiltinsX86.def
--- a/clang/include/clang/Basic/BuiltinsX86.def
+++ b/clang/include/clang/Basic/BuiltinsX86.def
@@ -261,6 +261,7 @@
 TARGET_BUILTIN(__builtin_ia32_packssdw128, "V8sV4iV4i", "ncV:128:", "sse2")
 TARGET_BUILTIN(__builtin_ia32_packuswb128, "V16cV8sV8s", "ncV:128:", "sse2")
 TARGET_BUILTIN(__builtin_ia32_pmulhuw128, "V8sV8sV8s", "ncV:128:", "sse2")
+TARGET_BUILTIN(__builtin_ia32_vec_ext_v2di, "OiV2OiIi", "ncV:128:", "sse2")
 TARGET_BUILTIN(__builtin_ia32_vec_ext_v4si, "iV4iIi", "ncV:128:", "sse2")
 TARGET_BUILTIN(__builtin_ia32_vec_ext_v4sf, "fV4fIi", "ncV:128:", "sse2")
 TARGET_BUILTIN(__builtin_ia32_vec_ext_v8hi, "sV8sIi", "ncV:128:", "sse2")
diff --git a/clang/include/clang/Basic/BuiltinsX86_64.def b/clang/include/clang/Basic/BuiltinsX86_64.def
--- a/clang/include/clang/Basic/BuiltinsX86_64.def
+++ b/clang/include/clang/Basic/BuiltinsX86_64.def
@@ -42,7 +42,6 @@
 TARGET_BUILTIN(__builtin_ia32_cvtsd2si64, "OiV2d", "ncV:128:", "sse2")
 TARGET_BUILTIN(__builtin_ia32_cvttsd2si64, "OiV2d", "ncV:128:", "sse2")
 TARGET_BUILTIN(__builtin_ia32_movnti64, "vOi*Oi", "n", "sse2")
-TARGET_BUILTIN(__builtin_ia32_vec_ext_v2di, "OiV2OiIi", "ncV:128:", "sse2")
 TARGET_BUILTIN(__builtin_ia32_vec_set_v2di, "V2OiV2OiOiIi", "ncV:128:", "sse4.1")
 TARGET_BUILTIN(__builtin_ia32_crc32di, "UOiUOiUOi", "nc", "crc32")
 TARGET_BUILTIN(__builtin_ia32_vec_ext_v4di, "OiV4OiIi", "ncV:256:", "avx")
diff --git a/clang/lib/Headers/emmintrin.h b/clang/lib/Headers/emmintrin.h
--- a/clang/lib/Headers/emmintrin.h
+++ b/clang/lib/Headers/emmintrin.h
@@ -3284,13 +3284,13 @@
   return __extension__(__m128i)(__v4si){__a, 0, 0, 0};
 }
 
-#ifdef __x86_64__
 /// Returns a vector of [2 x i64] where the lower element is the input
 ///    operand and the upper element is zero.
 ///
 /// \headerfile <x86intrin.h>
 ///
-/// This intrinsic corresponds to the <c> VMOVQ / MOVQ </c> instruction.
+/// This intrinsic corresponds to the <c> VMOVQ / MOVQ </c> instruction
+/// in 64-bit mode.
 ///
 /// \param __a
 ///    A 64-bit signed integer operand containing the value to be converted.
@@ -3298,7 +3298,6 @@
 static __inline__ __m128i __DEFAULT_FN_ATTRS _mm_cvtsi64_si128(long long __a) {
   return __extension__(__m128i)(__v2di){__a, 0};
 }
-#endif
 
 /// Moves the least significant 32 bits of a vector of [4 x i32] to a
 ///    32-bit signed integer value.
@@ -3316,7 +3315,6 @@
   return __b[0];
 }
 
-#ifdef __x86_64__
 /// Moves the least significant 64 bits of a vector of [2 x i64] to a
 ///    64-bit signed integer value.
 ///
@@ -3331,7 +3329,6 @@
 static __inline__ long long __DEFAULT_FN_ATTRS _mm_cvtsi128_si64(__m128i __a) {
   return __a[0];
 }
-#endif
 
 /// Moves packed integer values from an aligned 128-bit memory location
 ///    to elements in a 128-bit integer vector.
diff --git a/clang/lib/Headers/smmintrin.h b/clang/lib/Headers/smmintrin.h
--- a/clang/lib/Headers/smmintrin.h
+++ b/clang/lib/Headers/smmintrin.h
@@ -1054,7 +1054,6 @@
 #define _mm_extract_epi32(X, N)                                                \
   ((int)__builtin_ia32_vec_ext_v4si((__v4si)(__m128i)(X), (int)(N)))
 
-#ifdef __x86_64__
 /// Extracts a 64-bit element from the 128-bit integer vector of
 ///    [2 x i64], using the immediate value parameter \a N as a selector.
 ///
@@ -1064,7 +1063,8 @@
 /// long long _mm_extract_epi64(__m128i X, const int N);
 /// \endcode
 ///
-/// This intrinsic corresponds to the <c> VPEXTRQ / PEXTRQ </c> instruction.
+/// This intrinsic corresponds to the <c> VPEXTRQ / PEXTRQ </c> instruction
+/// in 64-bit mode.
 ///
 /// \param X
 ///    A 128-bit integer vector.
@@ -1076,7 +1076,6 @@
 /// \returns  A 64-bit integer.
 #define _mm_extract_epi64(X, N)                                                \
   ((long long)__builtin_ia32_vec_ext_v2di((__v2di)(__m128i)(X), (int)(N)))
-#endif /* __x86_64 */
 
 /* SSE4 128-bit Packed Integer Comparisons.  */
 /// Tests whether the specified bits in a 128-bit integer vector are all
diff --git a/clang/test/CodeGen/X86/sse2-builtins.c b/clang/test/CodeGen/X86/sse2-builtins.c
--- a/clang/test/CodeGen/X86/sse2-builtins.c
+++ b/clang/test/CodeGen/X86/sse2-builtins.c
@@ -510,13 +510,11 @@
   return _mm_cvtsi128_si32(A);
 }
 
-#ifdef __x86_64__
 long long test_mm_cvtsi128_si64(__m128i A) {
-  // X64-LABEL: test_mm_cvtsi128_si64
-  // X64: extractelement <2 x i64> %{{.*}}, i32 0
+  // CHECK-LABEL: test_mm_cvtsi128_si64
+  // CHECK: extractelement <2 x i64> %{{.*}}, i32 0
   return _mm_cvtsi128_si64(A);
 }
-#endif
 
 __m128d test_mm_cvtsi32_sd(__m128d A, int B) {
   // CHECK-LABEL: test_mm_cvtsi32_sd
@@ -541,14 +539,14 @@
   // X64: insertelement <2 x double> %{{.*}}, double %{{.*}}, i32 0
   return _mm_cvtsi64_sd(A, B);
 }
+#endif
 
 __m128i test_mm_cvtsi64_si128(long long A) {
-  // X64-LABEL: test_mm_cvtsi64_si128
-  // X64: insertelement <2 x i64> undef, i64 %{{.*}}, i32 0
-  // X64: insertelement <2 x i64> %{{.*}}, i64 0, i32 1
+  // CHECK-LABEL: test_mm_cvtsi64_si128
+  // CHECK: insertelement <2 x i64> undef, i64 %{{.*}}, i32 0
+  // CHECK: insertelement <2 x i64> %{{.*}}, i64 0, i32 1
   return _mm_cvtsi64_si128(A);
 }
-#endif
 
 __m128d test_mm_cvtss_sd(__m128d A, __m128 B) {
   // CHECK-LABEL: test_mm_cvtss_sd
diff --git a/clang/test/CodeGen/X86/sse41-builtins.c b/clang/test/CodeGen/X86/sse41-builtins.c
--- a/clang/test/CodeGen/X86/sse41-builtins.c
+++ b/clang/test/CodeGen/X86/sse41-builtins.c
@@ -184,13 +184,11 @@
   return _mm_extract_epi32(x, 1);
 }
 
-#ifdef __x86_64__
 long long test_mm_extract_epi64(__m128i x) {
-  // X64-LABEL: test_mm_extract_epi64
-  // X64: extractelement <2 x i64> %{{.*}}, {{i32|i64}} 1
+  // CHECK-LABEL: test_mm_extract_epi64
+  // CHECK: extractelement <2 x i64> %{{.*}}, {{i32|i64}} 1
   return _mm_extract_epi64(x, 1);
 }
-#endif
 
 int test_mm_extract_ps(__m128 x) {
   // CHECK-LABEL: test_mm_extract_ps