diff --git a/include/llvm/IntrinsicsX86.td b/include/llvm/IntrinsicsX86.td
index bb2b523bb25..ed66989781a 100644
--- a/include/llvm/IntrinsicsX86.td
+++ b/include/llvm/IntrinsicsX86.td
@@ -145,10 +145,10 @@ let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
 
 // Comparison ops
 let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
-  def int_x86_sse_cmp_ss :
+  def int_x86_sse_cmp_ss : GCCBuiltin<"__builtin_ia32_cmpss">,
               Intrinsic<[llvm_v4f32_ty], [llvm_v4f32_ty,
                          llvm_v4f32_ty, llvm_i8_ty], [IntrNoMem]>;
-  def int_x86_sse_cmp_ps :
+  def int_x86_sse_cmp_ps : GCCBuiltin<"__builtin_ia32_cmpps">,
               Intrinsic<[llvm_v4f32_ty], [llvm_v4f32_ty,
                          llvm_v4f32_ty, llvm_i8_ty], [IntrNoMem]>;
   def int_x86_sse_comieq_ss : GCCBuiltin<"__builtin_ia32_comieq">,
@@ -281,10 +281,10 @@ let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
 
 // FP comparison ops
 let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
-  def int_x86_sse2_cmp_sd :
+  def int_x86_sse2_cmp_sd : GCCBuiltin<"__builtin_ia32_cmpsd">,
               Intrinsic<[llvm_v2f64_ty], [llvm_v2f64_ty,
                          llvm_v2f64_ty, llvm_i8_ty], [IntrNoMem]>;
-  def int_x86_sse2_cmp_pd :
+  def int_x86_sse2_cmp_pd : GCCBuiltin<"__builtin_ia32_cmppd">,
               Intrinsic<[llvm_v2f64_ty], [llvm_v2f64_ty,
                          llvm_v2f64_ty, llvm_i8_ty], [IntrNoMem]>;
   def int_x86_sse2_comieq_sd : GCCBuiltin<"__builtin_ia32_comisdeq">,