diff --git a/include/llvm/IntrinsicsX86.td b/include/llvm/IntrinsicsX86.td
index c765d8536c8..ced5d8e00d1 100644
--- a/include/llvm/IntrinsicsX86.td
+++ b/include/llvm/IntrinsicsX86.td
@@ -1324,6 +1324,19 @@ let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
 // Integer arithmetic ops.
 let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
   // Addition
+  def int_x86_mmx_padd_b : GCCBuiltin<"__builtin_ia32_paddb">,
+              Intrinsic<[llvm_v8i8_ty], [llvm_v8i8_ty, llvm_v8i8_ty],
+                        [IntrNoMem]>;
+  def int_x86_mmx_padd_w : GCCBuiltin<"__builtin_ia32_paddw">,
+              Intrinsic<[llvm_v4i16_ty], [llvm_v4i16_ty, llvm_v4i16_ty],
+                        [IntrNoMem]>;
+  def int_x86_mmx_padd_d : GCCBuiltin<"__builtin_ia32_paddd">,
+              Intrinsic<[llvm_v2i32_ty], [llvm_v2i32_ty, llvm_v2i32_ty],
+                        [IntrNoMem]>;
+  def int_x86_mmx_padd_q : GCCBuiltin<"__builtin_ia32_paddq">,
+              Intrinsic<[llvm_v1i64_ty], [llvm_v1i64_ty, llvm_v1i64_ty],
+                        [IntrNoMem]>;
+
   def int_x86_mmx_padds_b : GCCBuiltin<"__builtin_ia32_paddsb">,
               Intrinsic<[llvm_v8i8_ty], [llvm_v8i8_ty,
                          llvm_v8i8_ty], [IntrNoMem, Commutative]>;
@@ -1339,6 +1352,19 @@ let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
                          llvm_v4i16_ty], [IntrNoMem, Commutative]>;
 
   // Subtraction
+  def int_x86_mmx_psub_b : GCCBuiltin<"__builtin_ia32_psubb">,
+              Intrinsic<[llvm_v8i8_ty], [llvm_v8i8_ty, llvm_v8i8_ty],
+                        [IntrNoMem]>;
+  def int_x86_mmx_psub_w : GCCBuiltin<"__builtin_ia32_psubw">,
+              Intrinsic<[llvm_v4i16_ty], [llvm_v4i16_ty, llvm_v4i16_ty],
+                        [IntrNoMem]>;
+  def int_x86_mmx_psub_d : GCCBuiltin<"__builtin_ia32_psubd">,
+              Intrinsic<[llvm_v2i32_ty], [llvm_v2i32_ty, llvm_v2i32_ty],
+                        [IntrNoMem]>;
+  def int_x86_mmx_psub_q : GCCBuiltin<"__builtin_ia32_psubq">,
+              Intrinsic<[llvm_v1i64_ty], [llvm_v1i64_ty, llvm_v1i64_ty],
+                        [IntrNoMem]>;
+
   def int_x86_mmx_psubs_b : GCCBuiltin<"__builtin_ia32_psubsb">,
               Intrinsic<[llvm_v8i8_ty], [llvm_v8i8_ty,
                          llvm_v8i8_ty], [IntrNoMem]>;
@@ -1357,6 +1383,9 @@ let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
   def int_x86_mmx_pmulh_w : GCCBuiltin<"__builtin_ia32_pmulhw">,
               Intrinsic<[llvm_v4i16_ty], [llvm_v4i16_ty,
                          llvm_v4i16_ty], [IntrNoMem, Commutative]>;
+  def int_x86_mmx_pmull_w : GCCBuiltin<"__builtin_ia32_pmullw">,
+              Intrinsic<[llvm_v4i16_ty], [llvm_v4i16_ty,
+                         llvm_v4i16_ty], [IntrNoMem, Commutative]>;
   def int_x86_mmx_pmulhu_w : GCCBuiltin<"__builtin_ia32_pmulhuw">,
               Intrinsic<[llvm_v4i16_ty], [llvm_v4i16_ty,
                          llvm_v4i16_ty], [IntrNoMem, Commutative]>;
@@ -1367,6 +1396,20 @@ let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
               Intrinsic<[llvm_v2i32_ty], [llvm_v4i16_ty,
                          llvm_v4i16_ty], [IntrNoMem, Commutative]>;
 
+  // Bitwise operations
+  def int_x86_mmx_pand : GCCBuiltin<"__builtin_ia32_pand">,
+              Intrinsic<[llvm_v1i64_ty], [llvm_v1i64_ty, llvm_v1i64_ty],
+                        [IntrNoMem]>;
+  def int_x86_mmx_pandn : GCCBuiltin<"__builtin_ia32_pandn">,
+              Intrinsic<[llvm_v1i64_ty], [llvm_v1i64_ty, llvm_v1i64_ty],
+                        [IntrNoMem]>;
+  def int_x86_mmx_por : GCCBuiltin<"__builtin_ia32_por">,
+              Intrinsic<[llvm_v1i64_ty], [llvm_v1i64_ty, llvm_v1i64_ty],
+                        [IntrNoMem]>;
+  def int_x86_mmx_pxor : GCCBuiltin<"__builtin_ia32_pxor">,
+              Intrinsic<[llvm_v1i64_ty], [llvm_v1i64_ty, llvm_v1i64_ty],
+                        [IntrNoMem]>;
+
   // Averages
   def int_x86_mmx_pavg_b : GCCBuiltin<"__builtin_ia32_pavgb">,
               Intrinsic<[llvm_v8i8_ty], [llvm_v8i8_ty,
@@ -1468,6 +1511,28 @@ let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
                          llvm_v4i16_ty], [IntrNoMem]>;
 }
 
+// Unpacking ops.
+let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
+  def int_x86_mmx_punpckhbw : GCCBuiltin<"__builtin_ia32_punpckhbw">,
+              Intrinsic<[llvm_v8i8_ty], [llvm_v8i8_ty, llvm_v8i8_ty],
+                        [IntrNoMem]>;
+  def int_x86_mmx_punpckhwd : GCCBuiltin<"__builtin_ia32_punpckhwd">,
+              Intrinsic<[llvm_v4i16_ty], [llvm_v4i16_ty, llvm_v4i16_ty],
+                        [IntrNoMem]>;
+  def int_x86_mmx_punpckhdq : GCCBuiltin<"__builtin_ia32_punpckhdq">,
+              Intrinsic<[llvm_v2i32_ty], [llvm_v2i32_ty, llvm_v2i32_ty],
+                        [IntrNoMem]>;
+  def int_x86_mmx_punpcklbw : GCCBuiltin<"__builtin_ia32_punpcklbw">,
+              Intrinsic<[llvm_v8i8_ty], [llvm_v8i8_ty, llvm_v8i8_ty],
+                        [IntrNoMem]>;
+  def int_x86_mmx_punpcklwd : GCCBuiltin<"__builtin_ia32_punpcklwd">,
+              Intrinsic<[llvm_v4i16_ty], [llvm_v4i16_ty, llvm_v4i16_ty],
+                        [IntrNoMem]>;
+  def int_x86_mmx_punpckldq : GCCBuiltin<"__builtin_ia32_punpckldq">,
+              Intrinsic<[llvm_v2i32_ty], [llvm_v2i32_ty, llvm_v2i32_ty],
+                        [IntrNoMem]>;
+}
+
 // Integer comparison ops
 let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
   def int_x86_mmx_pcmpeq_b : GCCBuiltin<"__builtin_ia32_pcmpeqb">,
@@ -1501,4 +1566,13 @@ let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
 
   def int_x86_mmx_movnt_dq : GCCBuiltin<"__builtin_ia32_movntq">,
               Intrinsic<[], [llvm_ptr_ty, llvm_v1i64_ty], []>;
+
+  def int_x86_mmx_cvtsi32_MMX : GCCBuiltin<"__builtin_ia32_vec_init_v2si">,
+                        Intrinsic<[llvm_v1i64_ty], [llvm_i32_ty], [IntrNoMem]>;
+  def int_x86_mmx_cvtsi64_MMX : 
+                        Intrinsic<[llvm_v1i64_ty], [llvm_i64_ty], [IntrNoMem]>;
+  def int_x86_mmx_MMX_si32 : GCCBuiltin<"__builtin_ia32_vec_ext_v2si">,
+                        Intrinsic<[llvm_i32_ty], [llvm_v1i64_ty], [IntrNoMem]>;
+  def int_x86_mmx_MMX_si64 : 
+                        Intrinsic<[llvm_i64_ty], [llvm_v1i64_ty], [IntrNoMem]>;
 }