diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 28b49d98336e..5426656f256a 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -1358,9 +1358,11 @@ void X86TargetLowering::resetOperationActions() {
     setOperationAction(ISD::FP_TO_SINT,         MVT::v16i32, Legal);
     setOperationAction(ISD::FP_TO_UINT,         MVT::v16i32, Legal);
     setOperationAction(ISD::FP_TO_UINT,         MVT::v8i32, Legal);
+    setOperationAction(ISD::FP_TO_UINT,         MVT::v4i32, Legal);
     setOperationAction(ISD::SINT_TO_FP,         MVT::v16i32, Legal);
     setOperationAction(ISD::UINT_TO_FP,         MVT::v16i32, Legal);
     setOperationAction(ISD::UINT_TO_FP,         MVT::v8i32, Legal);
+    setOperationAction(ISD::UINT_TO_FP,         MVT::v4i32, Legal);
     setOperationAction(ISD::FP_ROUND,           MVT::v8f32, Legal);
     setOperationAction(ISD::FP_EXTEND,          MVT::v8f32, Legal);
 
diff --git a/llvm/lib/Target/X86/X86InstrAVX512.td b/llvm/lib/Target/X86/X86InstrAVX512.td
index 2c5edf689b9f..1bc58fe66302 100644
--- a/llvm/lib/Target/X86/X86InstrAVX512.td
+++ b/llvm/lib/Target/X86/X86InstrAVX512.td
@@ -3112,6 +3112,17 @@ def : Pat<(v8i32 (fp_to_uint (v8f32 VR256X:$src1))),
           (EXTRACT_SUBREG (v16i32 (VCVTTPS2UDQZrr 
            (v16f32 (SUBREG_TO_REG (i32 0), VR256X:$src1, sub_ymm)))), sub_ymm)>;
                                  
+def : Pat<(v4i32 (fp_to_uint (v4f32 VR128X:$src1))),
+          (EXTRACT_SUBREG (v16i32 (VCVTTPS2UDQZrr
+           (v16f32 (SUBREG_TO_REG (i32 0), VR128X:$src1, sub_xmm)))), sub_xmm)>;
+
+def : Pat<(v8f32 (uint_to_fp (v8i32 VR256X:$src1))),
+          (EXTRACT_SUBREG (v16f32 (VCVTUDQ2PSZrr
+           (v16i32 (SUBREG_TO_REG (i32 0), VR256X:$src1, sub_ymm)))), sub_ymm)>;
+           
+def : Pat<(v4f32 (uint_to_fp (v4i32 VR128X:$src1))),
+          (EXTRACT_SUBREG (v16f32 (VCVTUDQ2PSZrr
+           (v16i32 (SUBREG_TO_REG (i32 0), VR128X:$src1, sub_xmm)))), sub_xmm)>;
 
 def : Pat<(v16f32 (int_x86_avx512_mask_cvtdq2ps_512 (v16i32 VR512:$src),
                    (bc_v16f32 (v16i32 immAllZerosV)), (i16 -1), imm:$rc)),
diff --git a/llvm/test/CodeGen/X86/avx512-cvt.ll b/llvm/test/CodeGen/X86/avx512-cvt.ll
index 1d83485adeca..2476ea1253e6 100644
--- a/llvm/test/CodeGen/X86/avx512-cvt.ll
+++ b/llvm/test/CodeGen/X86/avx512-cvt.ll
@@ -24,6 +24,22 @@ define <16 x i32> @fptoui00(<16 x float> %a) nounwind {
   ret <16 x i32> %b
 }
 
+; CHECK-LABEL: fptoui_256
+; CHECK: vcvttps2udq
+; CHECK: ret
+define <8 x i32> @fptoui_256(<8 x float> %a) nounwind {
+  %b = fptoui <8 x float> %a to <8 x i32>
+  ret <8 x i32> %b
+}
+
+; CHECK-LABEL: fptoui_128
+; CHECK: vcvttps2udq
+; CHECK: ret
+define <4 x i32> @fptoui_128(<4 x float> %a) nounwind {
+  %b = fptoui <4 x float> %a to <4 x i32>
+  ret <4 x i32> %b
+}
+
 ; CHECK-LABEL: fptoui01
 ; CHECK: vcvttpd2udq
 ; CHECK: ret
@@ -184,6 +200,22 @@ define <16 x float> @uitof32(<16 x i32> %a) nounwind {
   ret <16 x float> %b
 }
 
+; CHECK-LABEL: uitof32_256
+; CHECK: vcvtudq2ps
+; CHECK: ret
+define <8 x float> @uitof32_256(<8 x i32> %a) nounwind {
+  %b = uitofp <8 x i32> %a to <8 x float>
+  ret <8 x float> %b
+}
+
+; CHECK-LABEL: uitof32_128
+; CHECK: vcvtudq2ps
+; CHECK: ret
+define <4 x float> @uitof32_128(<4 x i32> %a) nounwind {
+  %b = uitofp <4 x i32> %a to <4 x float>
+  ret <4 x float> %b
+}
+
 ; CHECK-LABEL: @fptosi02
 ; CHECK: vcvttss2si {{.*}} encoding: [0x62
 ; CHECK: ret