diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtdq2ph-1a.c b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtdq2ph-1a.c
new file mode 100644
index 00000000000..45697d94b1c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtdq2ph-1a.c
@@ -0,0 +1,24 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512fp16 -O2" } */
+/* { dg-final { scan-assembler-times "vcvtdq2ph\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+(?:\n|\[ \\t\]+#)" 2 } } */
+/* { dg-final { scan-assembler-times "vcvtdq2ph\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+\{%k\[0-9\]\}\[^\{\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtdq2ph\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtdq2ph\[ \\t\]+\{rn-sae\}\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+\{%k\[0-9\]\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtdq2ph\[ \\t\]+\{rz-sae\}\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+
+#include <immintrin.h>
+
+volatile __m256h res, res1, res2;
+volatile __m512i x1, x2, x3;
+volatile __mmask16 m16;
+
+void extern
+avx512f_test (void)
+{
+  res = _mm512_cvtepi32_ph (x1);
+  res1 = _mm512_mask_cvtepi32_ph (res, m16, x2);
+  res2 = _mm512_maskz_cvtepi32_ph (m16, x3);
+  res = _mm512_cvt_roundepi32_ph (x1, 4);
+  res1 = _mm512_mask_cvt_roundepi32_ph (res, m16, x2, 8);
+  res2 = _mm512_maskz_cvt_roundepi32_ph (m16, x3, 11);
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtdq2ph-1b.c b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtdq2ph-1b.c
new file mode 100644
index 00000000000..a2bb56c25d7
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtdq2ph-1b.c
@@ -0,0 +1,79 @@
+/* { dg-do run { target avx512fp16 } } */
+/* { dg-options "-O2 -mavx512fp16 -mavx512dq" } */
+
+
+#define AVX512FP16
+#include "avx512fp16-helper.h"
+
+#define N_ELEMS (AVX512F_LEN / 32)
+
+void NOINLINE
+EMULATE(cvtd2_ph) (V512 * dest, V512 op1,
+		 __mmask32 k, int zero_mask)
+{
+  V512 v1, v2, v3, v4, v5, v6, v7, v8;
+  int i;
+  __mmask16 m1, m2;
+
+  m1 = k & 0xffff;
+
+  unpack_ph_2twops(*dest, &v7, &v8);
+
+  for (i = 0; i < 16; i++) {
+    if (((1 << i) & m1) == 0) {
+      if (zero_mask) {
+	v5.f32[i] = 0;
+      }
+      else {
+	v5.u32[i] = v7.u32[i];
+      }
+    }
+    else {
+      v5.f32[i] = op1.u32[i];
+    }
+  }
+  *dest = pack_twops_2ph(v5, v5);
+}
+
+void
+TEST (void)
+{
+  V512 res;
+  V512 exp;
+
+  init_src();
+
+  EMULATE(cvtd2_ph)(&exp, src3, NET_MASK, 0);
+  H_HF(res) = INTRINSIC (_cvtepi32_ph) (SI(src3));
+  CHECK_RESULT (&res, &exp, N_ELEMS, _cvtepi32_ph);
+
+  init_dest(&res, &exp);
+  EMULATE(cvtd2_ph)(&exp, src3, HALF_MASK, 0);
+  H_HF(res) = INTRINSIC (_mask_cvtepi32_ph) (H_HF(res), HALF_MASK, SI(src3));
+  CHECK_RESULT (&res, &exp, N_ELEMS, _mask_cvtepi32_ph);
+
+  EMULATE(cvtd2_ph)(&exp, src3, HALF_MASK, 1);
+  H_HF(res) = INTRINSIC (_maskz_cvtepi32_ph) (HALF_MASK, SI(src3));
+  CHECK_RESULT (&res, &exp, N_ELEMS, _maskz_cvtepi32_ph);
+
+#if AVX512F_LEN == 512
+  EMULATE(cvtd2_ph)(&exp, src3, NET_MASK, 0);
+  H_HF(res) = INTRINSIC (_cvt_roundepi32_ph) (SI(src3), _ROUND_NINT);
+  CHECK_RESULT (&res, &exp, N_ELEMS, _cvt_roundepi32_ph);
+
+  init_dest(&res, &exp);
+  EMULATE(cvtd2_ph)(&exp, src3, HALF_MASK, 0);
+  H_HF(res) = INTRINSIC (_mask_cvt_roundepi32_ph) (H_HF(res), HALF_MASK, SI(src3), _ROUND_NINT);
+  CHECK_RESULT (&res, &exp, N_ELEMS, _mask_cvt_roundepi32_ph);
+
+  EMULATE(cvtd2_ph)(&exp, src3, HALF_MASK, 1);
+  H_HF(res) = INTRINSIC (_maskz_cvt_roundepi32_ph) (HALF_MASK, SI(src3), _ROUND_NINT);
+  CHECK_RESULT (&res, &exp, N_ELEMS, _maskz_cvt_roundepi32_ph);
+#endif
+
+  if (n_errs != 0) {
+      abort ();
+  }
+}
+
+
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtqq2ph-1a.c b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtqq2ph-1a.c
new file mode 100644
index 00000000000..4e8515e9a3d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtqq2ph-1a.c
@@ -0,0 +1,24 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512fp16 -O2" } */
+/* { dg-final { scan-assembler-times "vcvtqq2phz\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 2 } } */
+/* { dg-final { scan-assembler-times "vcvtqq2phz\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\[^\{\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtqq2phz\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtqq2ph\[ \\t\]+\{rn-sae\}\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtqq2ph\[ \\t\]+\{rz-sae\}\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+
+#include <immintrin.h>
+
+volatile __m128h res, res1, res2;
+volatile __m512i x1, x2, x3;
+volatile __mmask8 m8;
+
+void extern
+avx512f_test (void)
+{
+  res = _mm512_cvtepi64_ph (x1);
+  res1 = _mm512_mask_cvtepi64_ph (res, m8, x2);
+  res2 = _mm512_maskz_cvtepi64_ph (m8, x3);
+  res = _mm512_cvt_roundepi64_ph (x1, 4);
+  res1 = _mm512_mask_cvt_roundepi64_ph (res, m8, x2, 8);
+  res2 = _mm512_maskz_cvt_roundepi64_ph (m8, x3, 11);
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtqq2ph-1b.c b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtqq2ph-1b.c
new file mode 100644
index 00000000000..cb213b9d9f6
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtqq2ph-1b.c
@@ -0,0 +1,84 @@
+/* { dg-do run { target avx512fp16 } } */
+/* { dg-options "-O2 -mavx512fp16 -mavx512dq" } */
+
+
+#define AVX512FP16
+#include "avx512fp16-helper.h"
+
+#define N_ELEMS (AVX512F_LEN / 64)
+
+void NOINLINE
+EMULATE(cvtq2_ph) (V512 * dest, V512 op1, int n_el,
+		 __mmask32 k, int zero_mask)
+{
+  V512 v1, v2, v3, v4, v5, v6, v7, v8;
+  int i;
+  __mmask16 m1, m2;
+
+  m1 = k & 0xffff;
+
+  unpack_ph_2twops(*dest, &v7, &v8);
+
+  for (i = 0; i < n_el; i++) {
+      if (((1 << i) & m1) == 0) {
+	  if (zero_mask) {
+	      v5.f32[i] = 0;
+	  }
+	  else {
+	      v5.u32[i] = v7.u32[i];
+	  }
+      }
+      else {
+	  v5.f32[i] = op1.u64[i];
+      }
+  }
+
+  // The left part should be zero
+  for (i = n_el; i < 16; i++)
+    v5.f32[i] = 0;
+
+  *dest = pack_twops_2ph(v5, v5);
+}
+
+void
+TEST (void)
+{
+
+  V512 res;
+  V512 exp;
+
+  init_src();
+
+  EMULATE(cvtq2_ph)(&exp, src3, N_ELEMS, NET_MASK, 0);
+  res.xmmh[0] = INTRINSIC (_cvtepi64_ph) (SI(src3));
+  CHECK_RESULT (&res, &exp, 8, _cvtepi64_ph);
+
+  init_dest(&res, &exp);
+  EMULATE(cvtq2_ph)(&exp, src3, N_ELEMS, 0xcc, 0);
+  res.xmmh[0] = INTRINSIC (_mask_cvtepi64_ph) (res.xmmh[0], 0xcc, SI(src3));
+  CHECK_RESULT (&res, &exp, 8, _mask_cvtepi64_ph);
+
+  EMULATE(cvtq2_ph)(&exp, src3, N_ELEMS, 0xf1, 1);
+  res.xmmh[0] = INTRINSIC (_maskz_cvtepi64_ph) (0xf1, SI(src3));
+  CHECK_RESULT (&res, &exp, 8, _maskz_cvtepi64_ph);
+
+#if AVX512F_LEN == 512
+  EMULATE(cvtq2_ph)(&exp, src3, N_ELEMS, NET_MASK, 0);
+  res.xmmh[0] = INTRINSIC (_cvt_roundepi64_ph) (SI(src3), _ROUND_NINT);
+  CHECK_RESULT (&res, &exp, 8, _cvt_roundepi64_ph);
+
+  init_dest(&res, &exp);
+  EMULATE(cvtq2_ph)(&exp, src3, N_ELEMS, 0xcc, 0);
+  res.xmmh[0] = INTRINSIC (_mask_cvt_roundepi64_ph) (res.xmmh[0], 0xcc, SI(src3), _ROUND_NINT);
+  CHECK_RESULT (&res, &exp, 8, _mask_cvt_roundepi64_ph);
+
+  EMULATE(cvtq2_ph)(&exp, src3, N_ELEMS, 0xf1, 1);
+  res.xmmh[0] = INTRINSIC (_maskz_cvt_roundepi64_ph) (0xf1, SI(src3), _ROUND_NINT);
+  CHECK_RESULT (&res, &exp, 8, _maskz_cvt_roundepi64_ph);
+#endif
+
+  if (n_errs != 0) {
+      abort ();
+  }
+}
+
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtudq2ph-1a.c b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtudq2ph-1a.c
new file mode 100644
index 00000000000..8d90ef6f168
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtudq2ph-1a.c
@@ -0,0 +1,24 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512fp16 -O2" } */
+/* { dg-final { scan-assembler-times "vcvtudq2ph\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+(?:\n|\[ \\t\]+#)" 2 } } */
+/* { dg-final { scan-assembler-times "vcvtudq2ph\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+\{%k\[0-9\]\}\[^\{\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtudq2ph\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtudq2ph\[ \\t\]+\{rn-sae\}\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+\{%k\[0-9\]\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtudq2ph\[ \\t\]+\{rz-sae\}\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+
+#include <immintrin.h>
+
+volatile __m256h res, res1, res2;
+volatile __m512i x1, x2, x3;
+volatile __mmask16 m16;
+
+void extern
+avx512f_test (void)
+{
+  res = _mm512_cvtepu32_ph (x1);
+  res1 = _mm512_mask_cvtepu32_ph (res, m16, x2);
+  res2 = _mm512_maskz_cvtepu32_ph (m16, x3);
+  res = _mm512_cvt_roundepu32_ph (x1, 4);
+  res1 = _mm512_mask_cvt_roundepu32_ph (res, m16, x2, 8);
+  res2 = _mm512_maskz_cvt_roundepu32_ph (m16, x3, 11);
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtudq2ph-1b.c b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtudq2ph-1b.c
new file mode 100644
index 00000000000..e9c1cd1bcb0
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtudq2ph-1b.c
@@ -0,0 +1,79 @@
+/* { dg-do run { target avx512fp16 } } */
+/* { dg-options "-O2 -mavx512fp16 -mavx512dq" } */
+
+
+#define AVX512FP16
+#include "avx512fp16-helper.h"
+
+#define N_ELEMS (AVX512F_LEN / 32)
+
+void NOINLINE
+EMULATE(cvtd2_ph) (V512 * dest, V512 op1,
+		 __mmask32 k, int zero_mask)
+{
+  V512 v1, v2, v3, v4, v5, v6, v7, v8;
+  int i;
+  __mmask16 m1, m2;
+
+  m1 = k & 0xffff;
+
+  unpack_ph_2twops(*dest, &v7, &v8);
+
+  for (i = 0; i < 16; i++) {
+    if (((1 << i) & m1) == 0) {
+      if (zero_mask) {
+	v5.f32[i] = 0;
+      }
+      else {
+	v5.u32[i] = v7.u32[i];
+      }
+    }
+    else {
+      v5.f32[i] = op1.u32[i];
+    }
+  }
+  *dest = pack_twops_2ph(v5, v5);
+}
+
+void
+TEST (void)
+{
+  V512 res;
+  V512 exp;
+
+  init_src();
+
+  EMULATE(cvtd2_ph)(&exp, src3, NET_MASK, 0);
+  H_HF(res)= INTRINSIC (_cvtepu32_ph) (SI(src3));
+  CHECK_RESULT (&res, &exp, N_ELEMS, _cvtepu32_ph);
+
+  init_dest(&res, &exp);
+  EMULATE(cvtd2_ph)(&exp, src3, HALF_MASK, 0);
+  H_HF(res) = INTRINSIC (_mask_cvtepu32_ph) (H_HF(res), HALF_MASK, SI(src3));
+  CHECK_RESULT (&res, &exp, N_ELEMS, _mask_cvtepu32_ph);
+
+  EMULATE(cvtd2_ph)(&exp, src3, HALF_MASK, 1);
+  H_HF(res) = INTRINSIC (_maskz_cvtepu32_ph) (HALF_MASK, SI(src3));
+  CHECK_RESULT (&res, &exp, N_ELEMS, _maskz_cvtepu32_ph);
+
+#if AVX512F_LEN == 512
+  EMULATE(cvtd2_ph)(&exp, src3, NET_MASK, 0);
+  H_HF(res)= INTRINSIC (_cvt_roundepu32_ph) (SI(src3), _ROUND_NINT);
+  CHECK_RESULT (&res, &exp, N_ELEMS, _cvt_roundepu32_ph);
+
+  init_dest(&res, &exp);
+  EMULATE(cvtd2_ph)(&exp, src3, HALF_MASK, 0);
+  H_HF(res) = INTRINSIC (_mask_cvt_roundepu32_ph) (H_HF(res), HALF_MASK, SI(src3), _ROUND_NINT);
+  CHECK_RESULT (&res, &exp, N_ELEMS, _mask_cvt_roundepu32_ph);
+
+  EMULATE(cvtd2_ph)(&exp, src3, HALF_MASK, 1);
+  H_HF(res) = INTRINSIC (_maskz_cvt_roundepu32_ph) (HALF_MASK, SI(src3), _ROUND_NINT);
+  CHECK_RESULT (&res, &exp, N_ELEMS, _maskz_cvt_roundepu32_ph);
+#endif
+
+  if (n_errs != 0) {
+      abort ();
+  }
+}
+
+
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtuqq2ph-1a.c b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtuqq2ph-1a.c
new file mode 100644
index 00000000000..a234bb50482
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtuqq2ph-1a.c
@@ -0,0 +1,24 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512fp16 -O2" } */
+/* { dg-final { scan-assembler-times "vcvtuqq2phz\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 2 } } */
+/* { dg-final { scan-assembler-times "vcvtuqq2phz\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\[^\{\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtuqq2phz\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtuqq2ph\[ \\t\]+\{rn-sae\}\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtuqq2ph\[ \\t\]+\{rz-sae\}\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+
+#include <immintrin.h>
+
+volatile __m128h res, res1, res2;
+volatile __m512i x1, x2, x3;
+volatile __mmask8 m8;
+
+void extern
+avx512f_test (void)
+{
+  res = _mm512_cvtepu64_ph (x1);
+  res1 = _mm512_mask_cvtepu64_ph (res, m8, x2);
+  res2 = _mm512_maskz_cvtepu64_ph (m8, x3);
+  res = _mm512_cvt_roundepu64_ph (x1, 4);
+  res1 = _mm512_mask_cvt_roundepu64_ph (res, m8, x2, 8);
+  res2 = _mm512_maskz_cvt_roundepu64_ph (m8, x3, 11);
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtuqq2ph-1b.c b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtuqq2ph-1b.c
new file mode 100644
index 00000000000..873d9109e47
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtuqq2ph-1b.c
@@ -0,0 +1,83 @@
+/* { dg-do run { target avx512fp16 } } */
+/* { dg-options "-O2 -mavx512fp16 -mavx512dq" } */
+
+
+#define AVX512FP16
+#include "avx512fp16-helper.h"
+
+#define N_ELEMS (AVX512F_LEN / 64)
+
+void NOINLINE
+EMULATE(cvtq2_ph) (V512 * dest, V512 op1, int n_el,
+		 __mmask32 k, int zero_mask)
+{
+  V512 v1, v2, v3, v4, v5, v6, v7, v8;
+  int i;
+  __mmask16 m1, m2;
+
+  m1 = k & 0xffff;
+
+  unpack_ph_2twops(*dest, &v7, &v8);
+
+  for (i = 0; i < n_el; i++) {
+      if (((1 << i) & m1) == 0) {
+	  if (zero_mask) {
+	      v5.f32[i] = 0;
+	  }
+	  else {
+	      v5.u32[i] = v7.u32[i];
+	  }
+      }
+      else {
+	  v5.f32[i] = op1.u64[i];
+      }
+  }
+
+  // The left part should be zero
+  for (i = n_el; i < 16; i++)
+    v5.f32[i] = 0;
+
+  *dest = pack_twops_2ph(v5, v5);
+}
+
+void
+TEST (void)
+{
+  V512 res;
+  V512 exp;
+
+  init_src();
+
+  EMULATE(cvtq2_ph)(&exp, src3, N_ELEMS, NET_MASK, 0);
+  res.xmmh[0] = INTRINSIC (_cvtepu64_ph) (SI(src3));
+  CHECK_RESULT (&res, &exp, 8, _cvtepu64_ph);
+
+  init_dest(&res, &exp);
+  EMULATE(cvtq2_ph)(&exp, src3, N_ELEMS, 0xcc, 0);
+  res.xmmh[0] = INTRINSIC (_mask_cvtepu64_ph) (res.xmmh[0], 0xcc, SI(src3));
+  CHECK_RESULT (&res, &exp, 8, _mask_cvtepu64_ph);
+
+  EMULATE(cvtq2_ph)(&exp, src3, N_ELEMS, 0xc1, 1);
+  res.xmmh[0] = INTRINSIC (_maskz_cvtepu64_ph) (0xc1, SI(src3));
+  CHECK_RESULT (&res, &exp, 8, _maskz_cvtepu64_ph);
+
+#if AVX512F_LEN == 512
+  EMULATE(cvtq2_ph)(&exp, src3, N_ELEMS, NET_MASK, 0);
+  res.xmmh[0] = INTRINSIC (_cvt_roundepu64_ph) (SI(src3), _ROUND_NINT);
+  CHECK_RESULT (&res, &exp, 8, _cvt_roundepu64_ph);
+
+  init_dest(&res, &exp);
+  EMULATE(cvtq2_ph)(&exp, src3, N_ELEMS, 0xcc, 0);
+  res.xmmh[0] = INTRINSIC (_mask_cvt_roundepu64_ph) (res.xmmh[0], 0xcc, SI(src3), _ROUND_NINT);
+  CHECK_RESULT (&res, &exp, 8, _mask_cvt_roundepu64_ph);
+
+  EMULATE(cvtq2_ph)(&exp, src3, N_ELEMS, 0xc1, 1);
+  res.xmmh[0] = INTRINSIC (_maskz_cvt_roundepu64_ph) (0xc1, SI(src3), _ROUND_NINT);
+  CHECK_RESULT (&res, &exp, 8, _maskz_cvt_roundepu64_ph);
+#endif
+
+  if (n_errs != 0) {
+      abort ();
+  }
+}
+
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtuw2ph-1a.c b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtuw2ph-1a.c
new file mode 100644
index 00000000000..43c96a0d2fc
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtuw2ph-1a.c
@@ -0,0 +1,24 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512fp16 -O2" } */
+/* { dg-final { scan-assembler-times "vcvtuw2ph\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+\{%k\[0-9\]\}\[^\{\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtuw2ph\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtuw2ph\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+(?:\n|\[ \\t\]+#)" 2 } } */
+/* { dg-final { scan-assembler-times "vcvtuw2ph\[ \\t\]+\{rn-sae\}\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+\{%k\[0-9\]\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtuw2ph\[ \\t\]+\{rz-sae\}\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+
+#include <immintrin.h>
+
+volatile __m512h res;
+volatile __m512i x1;
+volatile __mmask32 m32;
+
+void extern
+avx512f_test (void)
+{
+  res = _mm512_cvtepu16_ph (x1);
+  res = _mm512_mask_cvtepu16_ph (res, m32, x1);
+  res = _mm512_maskz_cvtepu16_ph (m32, x1);
+  res = _mm512_cvt_roundepu16_ph (x1, 4);
+  res = _mm512_mask_cvt_roundepu16_ph (res, m32, x1, 8);
+  res = _mm512_maskz_cvt_roundepu16_ph (m32, x1, 11);
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtuw2ph-1b.c b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtuw2ph-1b.c
new file mode 100644
index 00000000000..6d6b6da342f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtuw2ph-1b.c
@@ -0,0 +1,93 @@
+/* { dg-do run { target avx512fp16 } } */
+/* { dg-options "-O2 -mavx512fp16 -mavx512dq" } */
+
+
+#define AVX512FP16
+#include "avx512fp16-helper.h"
+
+#define N_ELEMS (AVX512F_LEN / 16)
+
+void NOINLINE
+EMULATE(cvtw2_ph) (V512 * dest, V512 op1,
+		 __mmask32 k, int zero_mask)
+{
+  V512 v1, v2, v3, v4, v5, v6, v7, v8;
+  int i;
+  __mmask16 m1, m2;
+
+  m1 = k & 0xffff;
+  m2 = (k >> 16) & 0xffff;
+
+  unpack_ph_2twops(*dest, &v7, &v8);
+
+  for (i = 0; i < 16; i++) {
+      if (((1 << i) & m1) == 0) {
+	  if (zero_mask) {
+	      v5.f32[i] = 0;
+	  }
+	  else {
+	      v5.f32[i] = v7.f32[i];
+	  }
+      }
+      else {
+	  v5.f32[i] = op1.u16[i];
+
+      }
+
+      if (((1 << i) & m2) == 0) {
+	  if (zero_mask) {
+	      v6.f32[i] = 0;
+	  }
+	  else {
+	      v6.f32[i] = v8.f32[i];
+	  }
+      }
+      else {
+	  v6.f32[i] = op1.u16[i+16];
+      }
+  }
+
+  *dest = pack_twops_2ph(v5, v6);
+}
+
+void
+TEST (void)
+{
+  V512 res;
+  V512 exp;
+
+  init_src();
+
+  EMULATE(cvtw2_ph)(&exp, src3, NET_MASK, 0);
+  HF(res) = INTRINSIC (_cvtepu16_ph) (SI(src3));
+  CHECK_RESULT (&res, &exp, N_ELEMS, _cvtepu16_ph);
+
+  init_dest(&res, &exp);
+  EMULATE(cvtw2_ph)(&exp, src3, MASK_VALUE, 0);
+  HF(res) = INTRINSIC (_mask_cvtepu16_ph) (HF(res), MASK_VALUE, SI(src3));
+  CHECK_RESULT (&res, &exp, N_ELEMS, _mask_cvtepu16_ph);
+
+  EMULATE(cvtw2_ph)(&exp, src3, ZMASK_VALUE, 1);
+  HF(res) = INTRINSIC (_maskz_cvtepu16_ph) (ZMASK_VALUE, SI(src3));
+  CHECK_RESULT (&res, &exp, N_ELEMS, _maskz_cvtepu16_ph);
+
+#if AVX512F_LEN == 512
+  EMULATE(cvtw2_ph)(&exp, src3, NET_MASK, 0);
+  HF(res) = INTRINSIC (_cvt_roundepu16_ph) (SI(src3), _ROUND_NINT);
+  CHECK_RESULT (&res, &exp, N_ELEMS, _cvt_roundepu16_ph);
+
+  init_dest(&res, &exp);
+  EMULATE(cvtw2_ph)(&exp, src3, MASK_VALUE, 0);
+  HF(res) = INTRINSIC (_mask_cvt_roundepu16_ph) (HF(res), MASK_VALUE, SI(src3), _ROUND_NINT);
+  CHECK_RESULT (&res, &exp, N_ELEMS, _mask_cvt_roundepu16_ph);
+
+  EMULATE(cvtw2_ph)(&exp, src3, ZMASK_VALUE, 1);
+  HF(res) = INTRINSIC (_maskz_cvt_roundepu16_ph) (ZMASK_VALUE, SI(src3), _ROUND_NINT);
+  CHECK_RESULT (&res, &exp, N_ELEMS, _maskz_cvt_roundepu16_ph);
+#endif
+
+  if (n_errs != 0) {
+      abort ();
+  }
+}
+
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtw2ph-1a.c b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtw2ph-1a.c
new file mode 100644
index 00000000000..c6eaee1772b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtw2ph-1a.c
@@ -0,0 +1,24 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512fp16 -O2" } */
+/* { dg-final { scan-assembler-times "vcvtw2ph\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+\{%k\[0-9\]\}\[^\{\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtw2ph\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtw2ph\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+(?:\n|\[ \\t\]+#)" 2 } } */
+/* { dg-final { scan-assembler-times "vcvtw2ph\[ \\t\]+\{rn-sae\}\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+\{%k\[0-9\]\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtw2ph\[ \\t\]+\{rz-sae\}\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+
+#include <immintrin.h>
+
+volatile __m512h res;
+volatile __m512i x1;
+volatile __mmask32 m32;
+
+void extern
+avx512f_test (void)
+{
+  res = _mm512_cvtepi16_ph (x1);
+  res = _mm512_mask_cvtepi16_ph (res, m32, x1);
+  res = _mm512_maskz_cvtepi16_ph (m32, x1);
+  res = _mm512_cvt_roundepi16_ph (x1, 4);
+  res = _mm512_mask_cvt_roundepi16_ph (res, m32, x1, 8);
+  res = _mm512_maskz_cvt_roundepi16_ph (m32, x1, 11);
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtw2ph-1b.c b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtw2ph-1b.c
new file mode 100644
index 00000000000..e02b6fcdbf7
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16-vcvtw2ph-1b.c
@@ -0,0 +1,92 @@
+/* { dg-do run { target avx512fp16 } } */
+/* { dg-options "-O2 -mavx512fp16 -mavx512dq" } */
+
+#define AVX512FP16
+#include "avx512fp16-helper.h"
+
+#define N_ELEMS (AVX512F_LEN / 16)
+
+void NOINLINE
+EMULATE(cvtw2_ph) (V512 * dest, V512 op1,
+		 __mmask32 k, int zero_mask)
+{
+  V512 v1, v2, v3, v4, v5, v6, v7, v8;
+  int i;
+  __mmask16 m1, m2;
+
+  m1 = k & 0xffff;
+  m2 = (k >> 16) & 0xffff;
+
+  unpack_ph_2twops(*dest, &v7, &v8);
+
+  for (i = 0; i < 16; i++) {
+      if (((1 << i) & m1) == 0) {
+	  if (zero_mask) {
+	      v5.f32[i] = 0;
+	  }
+	  else {
+	      v5.f32[i] = v7.f32[i];
+	  }
+      }
+      else {
+	  v5.f32[i] = op1.u16[i];
+
+      }
+
+      if (((1 << i) & m2) == 0) {
+	  if (zero_mask) {
+	      v6.f32[i] = 0;
+	  }
+	  else {
+	      v6.f32[i] = v8.f32[i];
+	  }
+      }
+      else {
+	  v6.f32[i] = op1.u16[i+16];
+      }
+  }
+
+  *dest = pack_twops_2ph(v5, v6);
+}
+
+void
+TEST (void)
+{
+  V512 res;
+  V512 exp;
+
+  init_src();
+
+  EMULATE(cvtw2_ph)(&exp, src3, NET_MASK, 0);
+  HF(res) = INTRINSIC (_cvtepi16_ph) (SI(src3));
+  CHECK_RESULT (&res, &exp, N_ELEMS, _cvtepi16_ph);
+
+  init_dest(&res, &exp);
+  EMULATE(cvtw2_ph)(&exp, src3, MASK_VALUE, 0);
+  HF(res) = INTRINSIC (_mask_cvtepi16_ph) (HF(res), MASK_VALUE, SI(src3));
+  CHECK_RESULT (&res, &exp, N_ELEMS, _mask_cvtepi16_ph);
+
+  EMULATE(cvtw2_ph)(&exp, src3, ZMASK_VALUE, 1);
+  HF(res) = INTRINSIC (_maskz_cvtepi16_ph) (ZMASK_VALUE, SI(src3));
+  CHECK_RESULT (&res, &exp, N_ELEMS, _maskz_cvtepi16_ph);    
+
+#if AVX512F_LEN == 512
+  EMULATE(cvtw2_ph)(&exp, src3, NET_MASK, 0);
+  HF(res) = INTRINSIC (_cvt_roundepi16_ph) (SI(src3), _ROUND_NINT);
+  CHECK_RESULT (&res, &exp, N_ELEMS, _cvt_roundepi16_ph);
+
+  init_dest(&res, &exp);
+  EMULATE(cvtw2_ph)(&exp, src3, MASK_VALUE, 0);
+  HF(res) = INTRINSIC (_mask_cvt_roundepi16_ph) (HF(res), MASK_VALUE, SI(src3), _ROUND_NINT);
+  CHECK_RESULT (&res, &exp, N_ELEMS, _mask_cvt_roundepi16_ph);
+
+  EMULATE(cvtw2_ph)(&exp, src3, ZMASK_VALUE, 1);
+  HF(res) = INTRINSIC (_maskz_cvt_roundepi16_ph) (ZMASK_VALUE, SI(src3), _ROUND_NINT);
+  CHECK_RESULT (&res, &exp, N_ELEMS, _maskz_cvt_roundepi16_ph);    
+#endif
+
+  if (n_errs != 0) {
+      abort ();
+  }
+}
+
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtdq2ph-1a.c b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtdq2ph-1a.c
new file mode 100644
index 00000000000..ab0541dce1a
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtdq2ph-1a.c
@@ -0,0 +1,27 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512fp16 -mavx512vl -O2" } */
+/* { dg-final { scan-assembler-times "vcvtdq2phy\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtdq2phy\[ \\t\]+%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtdq2phy\[ \\t\]+%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtdq2phx\[ \\t\]+%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtdq2phx\[ \\t\]+%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtdq2phx\[ \\t\]+%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+
+#include <immintrin.h>
+
+volatile __m128h res3;
+volatile __m256i x2;
+volatile __m128i x3;
+volatile __mmask8 m8;
+
+void extern
+avx512f_test (void)
+{
+  res3 = _mm256_cvtepi32_ph (x2);
+  res3 = _mm256_mask_cvtepi32_ph (res3, m8, x2);
+  res3 = _mm256_maskz_cvtepi32_ph (m8, x2);
+
+  res3 = _mm_cvtepi32_ph (x3);
+  res3 = _mm_mask_cvtepi32_ph (res3, m8, x3);
+  res3 = _mm_maskz_cvtepi32_ph (m8, x3);
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtdq2ph-1b.c b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtdq2ph-1b.c
new file mode 100644
index 00000000000..033587a6704
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtdq2ph-1b.c
@@ -0,0 +1,15 @@
+/* { dg-do run { target avx512fp16 } } */
+/* { dg-options "-O2 -mavx512fp16 -mavx512vl -mavx512dq" } */
+
+#define AVX512VL
+#define AVX512F_LEN 256      
+#define AVX512F_LEN_HALF 128 
+#include "avx512fp16-vcvtdq2ph-1b.c"
+                             
+#undef AVX512F_LEN           
+#undef AVX512F_LEN_HALF      
+                             
+#define AVX512F_LEN 128      
+#define AVX512F_LEN_HALF 128 
+#include "avx512fp16-vcvtdq2ph-1b.c"
+
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtqq2ph-1a.c b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtqq2ph-1a.c
new file mode 100644
index 00000000000..8e42a4b29f7
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtqq2ph-1a.c
@@ -0,0 +1,28 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512fp16 -mavx512vl -O2" } */
+/* { dg-final { scan-assembler-times "vcvtqq2phy\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtqq2phy\[ \\t\]+%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtqq2phy\[ \\t\]+%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtqq2phx\[ \\t\]+%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtqq2phx\[ \\t\]+%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtqq2phx\[ \\t\]+%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+
+#include <immintrin.h>
+
+volatile __m128h res3;
+volatile __m256i x2;
+volatile __m128i x3;
+volatile __mmask16 m16;
+volatile __mmask8 m8;
+
+void extern
+avx512f_test (void)
+{
+  res3 = _mm256_cvtepi64_ph (x2);
+  res3 = _mm256_mask_cvtepi64_ph (res3, m16, x2);
+  res3 = _mm256_maskz_cvtepi64_ph (m16, x2);
+
+  res3 = _mm_cvtepi64_ph (x3);
+  res3 = _mm_mask_cvtepi64_ph (res3, m8, x3);
+  res3 = _mm_maskz_cvtepi64_ph (m8, x3);
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtqq2ph-1b.c b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtqq2ph-1b.c
new file mode 100644
index 00000000000..6a4a329f368
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtqq2ph-1b.c
@@ -0,0 +1,15 @@
+/* { dg-do run { target avx512fp16 } } */
+/* { dg-options "-O2 -mavx512fp16 -mavx512vl -mavx512dq" } */
+
+#define AVX512VL
+#define AVX512F_LEN 256      
+#define AVX512F_LEN_HALF 128 
+#include "avx512fp16-vcvtqq2ph-1b.c"
+                             
+#undef AVX512F_LEN           
+#undef AVX512F_LEN_HALF      
+                             
+#define AVX512F_LEN 128      
+#define AVX512F_LEN_HALF 128 
+#include "avx512fp16-vcvtqq2ph-1b.c"
+
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtudq2ph-1a.c b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtudq2ph-1a.c
new file mode 100644
index 00000000000..4fa2ab92245
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtudq2ph-1a.c
@@ -0,0 +1,27 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512fp16 -mavx512vl -O2" } */
+/* { dg-final { scan-assembler-times "vcvtudq2phy\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtudq2phy\[ \\t\]+%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtudq2phy\[ \\t\]+%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtudq2phx\[ \\t\]+%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtudq2phx\[ \\t\]+%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtudq2phx\[ \\t\]+%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+
+#include <immintrin.h>
+
+volatile __m128h res3;
+volatile __m256i x2;
+volatile __m128i x3;
+volatile __mmask8 m8;
+
+void extern
+avx512f_test (void)
+{
+  res3 = _mm256_cvtepu32_ph (x2);
+  res3 = _mm256_mask_cvtepu32_ph (res3, m8, x2);
+  res3 = _mm256_maskz_cvtepu32_ph (m8, x2);
+
+  res3 = _mm_cvtepu32_ph (x3);
+  res3 = _mm_mask_cvtepu32_ph (res3, m8, x3);
+  res3 = _mm_maskz_cvtepu32_ph (m8, x3);
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtudq2ph-1b.c b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtudq2ph-1b.c
new file mode 100644
index 00000000000..4ea2c268760
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtudq2ph-1b.c
@@ -0,0 +1,15 @@
+/* { dg-do run { target avx512fp16 } } */
+/* { dg-options "-O2 -mavx512fp16 -mavx512vl -mavx512dq" } */
+
+#define AVX512VL
+#define AVX512F_LEN 256      
+#define AVX512F_LEN_HALF 128 
+#include "avx512fp16-vcvtudq2ph-1b.c"
+                             
+#undef AVX512F_LEN           
+#undef AVX512F_LEN_HALF      
+                             
+#define AVX512F_LEN 128      
+#define AVX512F_LEN_HALF 128 
+#include "avx512fp16-vcvtudq2ph-1b.c"
+
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtuqq2ph-1a.c b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtuqq2ph-1a.c
new file mode 100644
index 00000000000..a3ee951d4c5
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtuqq2ph-1a.c
@@ -0,0 +1,28 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512fp16 -mavx512vl -O2" } */
+/* { dg-final { scan-assembler-times "vcvtuqq2phy\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtuqq2phy\[ \\t\]+%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtuqq2phy\[ \\t\]+%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtuqq2phx\[ \\t\]+%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtuqq2phx\[ \\t\]+%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtuqq2phx\[ \\t\]+%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+
+#include <immintrin.h>
+
+volatile __m128h res3;
+volatile __m256i x2;
+volatile __m128i x3;
+volatile __mmask16 m16;
+volatile __mmask8 m8;
+
+void extern
+avx512f_test (void)
+{
+  res3 = _mm256_cvtepu64_ph (x2);
+  res3 = _mm256_mask_cvtepu64_ph (res3, m16, x2);
+  res3 = _mm256_maskz_cvtepu64_ph (m16, x2);
+
+  res3 = _mm_cvtepu64_ph (x3);
+  res3 = _mm_mask_cvtepu64_ph (res3, m8, x3);
+  res3 = _mm_maskz_cvtepu64_ph (m8, x3);
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtuqq2ph-1b.c b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtuqq2ph-1b.c
new file mode 100644
index 00000000000..c747e8de0dd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtuqq2ph-1b.c
@@ -0,0 +1,15 @@
+/* { dg-do run { target avx512fp16 } } */
+/* { dg-options "-O2 -mavx512fp16 -mavx512vl -mavx512dq" } */
+
+#define AVX512VL
+#define AVX512F_LEN 256      
+#define AVX512F_LEN_HALF 128 
+#include "avx512fp16-vcvtuqq2ph-1b.c"
+                             
+#undef AVX512F_LEN           
+#undef AVX512F_LEN_HALF      
+                             
+#define AVX512F_LEN 128      
+#define AVX512F_LEN_HALF 128 
+#include "avx512fp16-vcvtuqq2ph-1b.c"
+
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtuw2ph-1a.c b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtuw2ph-1a.c
new file mode 100644
index 00000000000..59393dc01a7
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtuw2ph-1a.c
@@ -0,0 +1,29 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512fp16 -mavx512vl -O2" } */
+/* { dg-final { scan-assembler-times "vcvtuw2ph\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtuw2ph\[ \\t\]+%ymm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+\{%k\[0-9\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtuw2ph\[ \\t\]+%ymm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtuw2ph\[ \\t\]+%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtuw2ph\[ \\t\]+%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtuw2ph\[ \\t\]+%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+
+#include <immintrin.h>
+
+volatile __m256h res2;
+volatile __m128h res3;
+volatile __m256i x2;
+volatile __m128i x3;
+volatile __mmask16 m16;
+volatile __mmask8 m8;
+
+void extern
+avx512f_test (void)
+{
+  res2 = _mm256_cvtepu16_ph (x2);
+  res2 = _mm256_mask_cvtepu16_ph (res2, m16, x2);
+  res2 = _mm256_maskz_cvtepu16_ph (m16, x2);
+
+  res3 = _mm_cvtepu16_ph (x3);
+  res3 = _mm_mask_cvtepu16_ph (res3, m8, x3);
+  res3 = _mm_maskz_cvtepu16_ph (m8, x3);
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtuw2ph-1b.c b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtuw2ph-1b.c
new file mode 100644
index 00000000000..89d94df57b3
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtuw2ph-1b.c
@@ -0,0 +1,15 @@
+/* { dg-do run { target avx512fp16 } } */
+/* { dg-options "-O2 -mavx512fp16 -mavx512vl -mavx512dq" } */
+
+#define AVX512VL
+#define AVX512F_LEN 256      
+#define AVX512F_LEN_HALF 128 
+#include "avx512fp16-vcvtuw2ph-1b.c"
+                             
+#undef AVX512F_LEN           
+#undef AVX512F_LEN_HALF      
+                             
+#define AVX512F_LEN 128      
+#define AVX512F_LEN_HALF 128 
+#include "avx512fp16-vcvtuw2ph-1b.c"
+
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtw2ph-1a.c b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtw2ph-1a.c
new file mode 100644
index 00000000000..ff5530f60a2
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtw2ph-1a.c
@@ -0,0 +1,29 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512fp16 -mavx512vl -O2" } */
+/* { dg-final { scan-assembler-times "vcvtw2ph\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtw2ph\[ \\t\]+%ymm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+\{%k\[0-9\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtw2ph\[ \\t\]+%ymm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtw2ph\[ \\t\]+%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtw2ph\[ \\t\]+%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtw2ph\[ \\t\]+%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[ \\t\]+#)" 1 } } */
+
+#include <immintrin.h>
+
+volatile __m256h res2;
+volatile __m128h res3;
+volatile __m256i x2;
+volatile __m128i x3;
+volatile __mmask16 m16;
+volatile __mmask8 m8;
+
+void extern
+avx512f_test (void)
+{
+  res2 = _mm256_cvtepi16_ph (x2);
+  res2 = _mm256_mask_cvtepi16_ph (res2, m16, x2);
+  res2 = _mm256_maskz_cvtepi16_ph (m16, x2);
+
+  res3 = _mm_cvtepi16_ph (x3);
+  res3 = _mm_mask_cvtepi16_ph (res3, m8, x3);
+  res3 = _mm_maskz_cvtepi16_ph (m8, x3);
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtw2ph-1b.c b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtw2ph-1b.c
new file mode 100644
index 00000000000..243e45bda62
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16vl-vcvtw2ph-1b.c
@@ -0,0 +1,15 @@
+/* { dg-do run { target avx512fp16 } } */
+/* { dg-options "-O2 -mavx512fp16 -mavx512vl -mavx512dq" } */
+
+#define AVX512VL
+#define AVX512F_LEN 256      
+#define AVX512F_LEN_HALF 128 
+#include "avx512fp16-vcvtw2ph-1b.c"
+                             
+#undef AVX512F_LEN           
+#undef AVX512F_LEN_HALF      
+                             
+#define AVX512F_LEN 128      
+#define AVX512F_LEN_HALF 128 
+#include "avx512fp16-vcvtw2ph-1b.c"
+
