--- gcc/config/i386/sse.md.jj	2019-02-20 23:40:17.119140235 +0100
+++ gcc/config/i386/sse.md	2019-03-06 19:15:12.379749161 +0100
@@ -1151,6 +1151,67 @@ (define_insn "<avx512>_load<mode>_mask"
    (set_attr "memory" "none,load")
    (set_attr "mode" "<sseinsnmode>")])
 
+(define_insn "avx512f_mov<ssescalarmodelower>_mask"
+  [(set (match_operand:VF_128 0 "register_operand" "=v")
+	(vec_merge:VF_128
+	  (vec_merge:VF_128
+	    (match_operand:VF_128 2 "register_operand" "v")
+	    (match_operand:VF_128 3 "nonimm_or_0_operand" "0C")
+	    (match_operand:QI 4 "register_operand" "Yk"))
+	  (match_operand:VF_128 1 "register_operand" "v")
+	  (const_int 1)))]
+  "TARGET_AVX512F"
+  "vmov<ssescalarmodesuffix>\t{%2, %1, %0%{%4%}%N3|%0%{%4%}%N3, %1, %2}"
+  [(set_attr "type" "ssemov")
+   (set_attr "prefix" "evex")
+   (set_attr "mode" "<ssescalarmode>")])
+
+(define_expand "avx512f_load<mode>_mask"
+  [(set (match_operand:<ssevecmode> 0 "register_operand")
+	(vec_merge:<ssevecmode>
+	  (vec_merge:<ssevecmode>
+	    (vec_duplicate:<ssevecmode>
+	      (match_operand:MODEF 1 "memory_operand"))
+	    (match_operand:<ssevecmode> 2 "nonimm_or_0_operand")
+	    (match_operand:QI 3 "nonmemory_operand"))
+	  (match_dup 4)
+	  (const_int 1)))]
+  "TARGET_AVX512F"
+  "operands[4] = CONST0_RTX (<ssevecmode>mode);")
+
+(define_insn "*avx512f_load<mode>_mask"
+  [(set (match_operand:<ssevecmode> 0 "register_operand" "=v")
+	(vec_merge:<ssevecmode>
+	  (vec_merge:<ssevecmode>
+	    (vec_duplicate:<ssevecmode>
+	      (match_operand:MODEF 1 "memory_operand" "m"))
+	    (match_operand:<ssevecmode> 2 "nonimm_or_0_operand" "0C")
+	    (match_operand:QI 3 "nonmemory_operand" "Yk"))
+	  (match_operand:<ssevecmode> 4 "const0_operand" "C")
+	  (const_int 1)))]
+  "TARGET_AVX512F"
+  "vmov<ssescalarmodesuffix>\t{%1, %0%{%3%}%N2|%0%{3%}%N2, %1}"
+  [(set_attr "type" "ssemov")
+   (set_attr "prefix" "evex")
+   (set_attr "memory" "load")
+   (set_attr "mode" "<MODE>")])
+
+(define_insn "avx512f_store<mode>_mask"
+  [(set (match_operand:MODEF 0 "memory_operand" "=m")
+	(if_then_else:MODEF
+	  (and:QI (match_operand:QI 2 "nonmemory_operand" "Yk")
+		 (const_int 1))
+	  (vec_select:MODEF
+	    (match_operand:<ssevecmode> 1 "register_operand" "v")
+	    (parallel [(const_int 0)]))
+	  (match_dup 0)))]
+  "TARGET_AVX512F"
+  "vmov<ssescalarmodesuffix>\t{%1, %0%{%2%}|%0%{%2%}, %1}"
+  [(set_attr "type" "ssemov")
+   (set_attr "prefix" "evex")
+   (set_attr "memory" "store")
+   (set_attr "mode" "<MODE>")])
+
 (define_insn "<avx512>_blendm<mode>"
   [(set (match_operand:V48_AVX512VL 0 "register_operand" "=v")
 	(vec_merge:V48_AVX512VL
--- gcc/config/i386/i386-builtin.def.jj	2019-01-22 23:26:46.622213698 +0100
+++ gcc/config/i386/i386-builtin.def	2019-03-06 15:20:59.096670143 +0100
@@ -255,6 +255,10 @@ BDESC (OPTION_MASK_ISA_AVX512F, 0, CODE_
 BDESC (OPTION_MASK_ISA_AVX512F, 0, CODE_FOR_avx512f_storev16si_mask, "__builtin_ia32_movdqa32store512_mask", IX86_BUILTIN_MOVDQA32STORE512, UNKNOWN, (int) VOID_FTYPE_PV16SI_V16SI_UHI)
 BDESC (OPTION_MASK_ISA_AVX512F, 0, CODE_FOR_avx512f_storev8df_mask, "__builtin_ia32_storeapd512_mask", IX86_BUILTIN_STOREAPD512, UNKNOWN, (int) VOID_FTYPE_PV8DF_V8DF_UQI)
 BDESC (OPTION_MASK_ISA_AVX512F, 0, CODE_FOR_avx512f_storev8di_mask, "__builtin_ia32_movdqa64store512_mask", IX86_BUILTIN_MOVDQA64STORE512, UNKNOWN, (int) VOID_FTYPE_PV8DI_V8DI_UQI)
+BDESC (OPTION_MASK_ISA_AVX512F, 0, CODE_FOR_avx512f_loaddf_mask, "__builtin_ia32_loadsd_mask", IX86_BUILTIN_LOADSD_MASK, UNKNOWN, (int) V2DF_FTYPE_PCDOUBLE_V2DF_UQI)
+BDESC (OPTION_MASK_ISA_AVX512F, 0, CODE_FOR_avx512f_loadsf_mask, "__builtin_ia32_loadss_mask", IX86_BUILTIN_LOADSS_MASK, UNKNOWN, (int) V4SF_FTYPE_PCFLOAT_V4SF_UQI)
+BDESC (OPTION_MASK_ISA_AVX512F, 0, CODE_FOR_avx512f_storedf_mask, "__builtin_ia32_storesd_mask", IX86_BUILTIN_STORESD_MASK, UNKNOWN, (int) VOID_FTYPE_PDOUBLE_V2DF_UQI)
+BDESC (OPTION_MASK_ISA_AVX512F, 0, CODE_FOR_avx512f_storesf_mask, "__builtin_ia32_storess_mask", IX86_BUILTIN_STORESS_MASK, UNKNOWN, (int) VOID_FTYPE_PFLOAT_V4SF_UQI)
 
 BDESC (OPTION_MASK_ISA_LWP, 0, CODE_FOR_lwp_llwpcb, "__builtin_ia32_llwpcb", IX86_BUILTIN_LLWPCB, UNKNOWN, (int) VOID_FTYPE_PVOID)
 BDESC (OPTION_MASK_ISA_LWP, 0, CODE_FOR_lwp_slwpcb, "__builtin_ia32_slwpcb", IX86_BUILTIN_SLWPCB, UNKNOWN, (int) PVOID_FTYPE_VOID)
@@ -1470,6 +1474,8 @@ BDESC (OPTION_MASK_ISA_AVX512F, 0, CODE_
 BDESC (OPTION_MASK_ISA_AVX512F, 0, CODE_FOR_avx512f_vternlogv16si_maskz, "__builtin_ia32_pternlogd512_maskz", IX86_BUILTIN_VTERNLOGD512_MASKZ, UNKNOWN, (int) V16SI_FTYPE_V16SI_V16SI_V16SI_INT_UHI)
 BDESC (OPTION_MASK_ISA_AVX512F, 0, CODE_FOR_avx512f_vternlogv8di_mask, "__builtin_ia32_pternlogq512_mask", IX86_BUILTIN_VTERNLOGQ512_MASK, UNKNOWN, (int) V8DI_FTYPE_V8DI_V8DI_V8DI_INT_UQI)
 BDESC (OPTION_MASK_ISA_AVX512F, 0, CODE_FOR_avx512f_vternlogv8di_maskz, "__builtin_ia32_pternlogq512_maskz", IX86_BUILTIN_VTERNLOGQ512_MASKZ, UNKNOWN, (int) V8DI_FTYPE_V8DI_V8DI_V8DI_INT_UQI)
+BDESC (OPTION_MASK_ISA_AVX512F, 0, CODE_FOR_avx512f_movdf_mask, "__builtin_ia32_movesd_mask", IX86_BUILTIN_MOVSD_MASK, UNKNOWN, (int) V2DF_FTYPE_V2DF_V2DF_V2DF_UQI)
+BDESC (OPTION_MASK_ISA_AVX512F, 0, CODE_FOR_avx512f_movsf_mask, "__builtin_ia32_movess_mask", IX86_BUILTIN_MOVSS_MASK, UNKNOWN, (int) V4SF_FTYPE_V4SF_V4SF_V4SF_UQI)
 
 BDESC (OPTION_MASK_ISA_AVX512F, 0, CODE_FOR_copysignv16sf3,  "__builtin_ia32_copysignps512", IX86_BUILTIN_CPYSGNPS512, UNKNOWN, (int) V16SF_FTYPE_V16SF_V16SF)
 BDESC (OPTION_MASK_ISA_AVX512F, 0, CODE_FOR_copysignv8df3,  "__builtin_ia32_copysignpd512", IX86_BUILTIN_CPYSGNPD512, UNKNOWN, (int) V8DF_FTYPE_V8DF_V8DF)
--- gcc/config/i386/avx512fintrin.h.jj	2019-01-17 13:20:00.812472551 +0100
+++ gcc/config/i386/avx512fintrin.h	2019-03-06 15:22:53.662791558 +0100
@@ -6273,6 +6273,83 @@ _mm512_mask_storeu_ps (void *__P, __mmas
 				   (__mmask16) __U);
 }
 
+extern __inline __m128
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_mask_load_ss (__m128 __W, __mmask8 __U, const float *__P)
+{
+  return (__m128) __builtin_ia32_loadss_mask (__P, (__v4sf) __W, __U);
+}
+
+extern __inline __m128
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_maskz_load_ss (__mmask8 __U, const float *__P)
+{
+  return (__m128) __builtin_ia32_loadss_mask (__P, (__v4sf) _mm_setzero_ps (),
+					      __U);
+}
+
+extern __inline __m128d
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_mask_load_sd (__m128d __W, __mmask8 __U, const double *__P)
+{
+  return (__m128d) __builtin_ia32_loadsd_mask (__P, (__v2df) __W, __U);
+}
+
+extern __inline __m128d
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_maskz_load_sd (__mmask8 __U, const double *__P)
+{
+  return (__m128d) __builtin_ia32_loadsd_mask (__P, (__v2df) _mm_setzero_pd (),
+					       __U);
+}
+
+extern __inline __m128
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_mask_move_ss (__m128 __W, __mmask8 __U, __m128 __A, __m128 __B)
+{
+  return (__m128) __builtin_ia32_movess_mask ((__v4sf) __A, (__v4sf) __B,
+					      (__v4sf) __W, __U);
+}
+
+extern __inline __m128
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_maskz_move_ss (__mmask8 __U, __m128 __A, __m128 __B)
+{
+  return (__m128) __builtin_ia32_movess_mask ((__v4sf) __A, (__v4sf) __B,
+					      (__v4sf) _mm_setzero_ps (), __U);
+}
+
+extern __inline __m128d
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_mask_move_sd (__m128d __W, __mmask8 __U, __m128d __A, __m128d __B)
+{
+  return (__m128d) __builtin_ia32_movesd_mask ((__v2df) __A, (__v2df) __B,
+					       (__v2df) __W, __U);
+}
+
+extern __inline __m128d
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_maskz_move_sd (__mmask8 __U, __m128d __A, __m128d __B)
+{
+  return (__m128d) __builtin_ia32_movesd_mask ((__v2df) __A, (__v2df) __B,
+					       (__v2df) _mm_setzero_pd (),
+					       __U);
+}
+
+extern __inline void
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_mask_store_ss (float *__P, __mmask8 __U, __m128 __A)
+{
+  __builtin_ia32_storess_mask (__P, (__v4sf) __A, (__mmask8) __U);
+}
+
+extern __inline void
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_mask_store_sd (double *__P, __mmask8 __U, __m128d __A)
+{
+  __builtin_ia32_storesd_mask (__P, (__v2df) __A, (__mmask8) __U);
+}
+
 extern __inline __m512i
 __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
 _mm512_mask_loadu_epi64 (__m512i __W, __mmask8 __U, void const *__P)
--- gcc/testsuite/gcc.target/i386/avx512f-vmovss-1.c.jj	2019-03-06 15:34:07.972734673 +0100
+++ gcc/testsuite/gcc.target/i386/avx512f-vmovss-1.c	2019-03-06 15:44:46.891258107 +0100
@@ -0,0 +1,23 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512f -O2 -masm=att" } */
+/* { dg-final { scan-assembler-times "vmovss\[ \\t\]+\\(%\[a-z0-9,]*\\), %xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vmovss\[ \\t\]+\\(%\[a-z0-9,]*\\), %xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vmovss\[ \\t\]+%xmm\[0-9\]+, %xmm\[0-9\]+, %xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vmovss\[ \\t\]+%xmm\[0-9\]+, %xmm\[0-9\]+, %xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vmovss\[ \\t\]+%xmm\[0-9\]+, \\(%\[a-z0-9,]*\\)\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+
+#include <immintrin.h>
+
+volatile __m128 x1, x2, x3;
+volatile __mmask8 m;
+float *volatile p;
+
+void extern
+avx512f_test (void)
+{
+  x1 = _mm_mask_load_ss (x1, m, p);
+  x1 = _mm_maskz_load_ss (m, p);
+  x1 = _mm_mask_move_ss (x1, m, x2, x3);
+  x1 = _mm_maskz_move_ss (m, x2, x3);
+  _mm_mask_store_ss (p, m, x1);
+}
--- gcc/testsuite/gcc.target/i386/avx512f-vmovss-2.c.jj	2019-03-06 15:50:52.072264356 +0100
+++ gcc/testsuite/gcc.target/i386/avx512f-vmovss-2.c	2019-03-06 19:08:14.933598873 +0100
@@ -0,0 +1,87 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -mavx512f" } */
+/* { dg-require-effective-target avx512f } */
+
+#include "avx512f-check.h"
+
+#include "avx512f-helper.h"
+
+#define SIZE (128 / 32)
+#include "avx512f-mask-type.h"
+
+void
+avx512f_test (void)
+{
+  int i, sign;
+  union128 res1, res2, res3, res4, src1, src2, src3;
+  volatile __mmask8 mask = 5;
+  float val[2] = { 35.5f, 0.0f };
+  float *volatile p = &val[0];
+  float res_ref[SIZE];
+  float zero[SIZE];
+
+  for (i = 0; i < SIZE; i++)
+    {
+      src1.a[i] = 1.5f + i;
+      src2.a[i] = 7.5f + i;
+      src3.a[i] = 4.5f + i;
+      zero[i] = 0.0f;
+    }
+
+  res1.x = _mm_mask_load_ss (src1.x, mask, p);
+  res2.x = _mm_maskz_load_ss (mask, p);
+
+  __builtin_memcpy (res_ref, zero, sizeof (zero));
+  res_ref[0] = val[0];
+  if (check_union128 (res1, res_ref))
+    abort ();
+
+  if (check_union128 (res2, res_ref))
+    abort ();
+
+  res3.x = _mm_mask_move_ss (src1.x, mask, src2.x, src3.x);
+  res4.x = _mm_maskz_move_ss (mask, src2.x, src3.x);
+
+  __builtin_memcpy (res_ref, src2.a, sizeof (src2.a));
+  res_ref[0] = src3.a[0];
+  if (check_union128 (res3, res_ref))
+    abort ();
+
+  if (check_union128 (res4, res_ref))
+    abort ();
+
+  _mm_mask_store_ss (p + 1, mask, src1.x);
+  if (val[1] != src1.a[0])
+    abort ();
+
+  mask ^= 1;
+
+  res1.x = _mm_mask_load_ss (src1.x, mask, p);
+  res2.x = _mm_maskz_load_ss (mask, p);
+
+  __builtin_memcpy (res_ref, zero, sizeof (zero));
+  res_ref[0] = src1.a[0];
+  if (check_union128 (res1, res_ref))
+    abort ();
+
+  res_ref[0] = zero[0];
+  if (check_union128 (res2, res_ref))
+    abort ();
+
+  res3.x = _mm_mask_move_ss (src1.x, mask, src2.x, src3.x);
+  res4.x = _mm_maskz_move_ss (mask, src2.x, src3.x);
+
+  __builtin_memcpy (res_ref, src2.a, sizeof (src2.a));
+  res_ref[0] = src1.a[0];
+  if (check_union128 (res3, res_ref))
+    abort ();
+
+  res_ref[0] = zero[0];
+  if (check_union128 (res4, res_ref))
+    abort ();
+
+  val[1] = 42.0f;
+  _mm_mask_store_ss (p + 1, mask, src1.x);
+  if (val[1] != 42.0f)
+    abort ();
+}
--- gcc/testsuite/gcc.target/i386/avx512f-vmovss-3.c.jj	2019-03-06 19:11:19.058577646 +0100
+++ gcc/testsuite/gcc.target/i386/avx512f-vmovss-3.c	2019-03-06 19:11:46.815122188 +0100
@@ -0,0 +1,84 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -mavx512f" } */
+/* { dg-require-effective-target avx512f } */
+
+#include "avx512f-check.h"
+
+#include "avx512f-helper.h"
+
+#define SIZE (128 / 32)
+#include "avx512f-mask-type.h"
+
+void
+avx512f_test (void)
+{
+  int i, sign;
+  union128 res1, res2, res3, res4, src1, src2, src3;
+  float val[2] = { 35.5f, 0.0f };
+  float *volatile p = &val[0];
+  float res_ref[SIZE];
+  float zero[SIZE];
+
+  for (i = 0; i < SIZE; i++)
+    {
+      src1.a[i] = 1.5f + i;
+      src2.a[i] = 7.5f + i;
+      src3.a[i] = 4.5f + i;
+      zero[i] = 0.0f;
+    }
+
+  res1.x = _mm_mask_load_ss (src1.x, 1, p);
+  res2.x = _mm_maskz_load_ss (1, p);
+
+  __builtin_memcpy (res_ref, zero, sizeof (zero));
+  res_ref[0] = val[0];
+  if (check_union128 (res1, res_ref))
+    abort ();
+
+  if (check_union128 (res2, res_ref))
+    abort ();
+
+  res3.x = _mm_mask_move_ss (src1.x, 1, src2.x, src3.x);
+  res4.x = _mm_maskz_move_ss (1, src2.x, src3.x);
+
+  __builtin_memcpy (res_ref, src2.a, sizeof (src2.a));
+  res_ref[0] = src3.a[0];
+  if (check_union128 (res3, res_ref))
+    abort ();
+
+  if (check_union128 (res4, res_ref))
+    abort ();
+
+  _mm_mask_store_ss (p + 1, 1, src1.x);
+  if (val[1] != src1.a[0])
+    abort ();
+
+  res1.x = _mm_mask_load_ss (src1.x, 0, p);
+  res2.x = _mm_maskz_load_ss (0, p);
+
+  __builtin_memcpy (res_ref, zero, sizeof (zero));
+  res_ref[0] = src1.a[0];
+  if (check_union128 (res1, res_ref))
+    abort ();
+
+  res_ref[0] = zero[0];
+  if (check_union128 (res2, res_ref))
+    abort ();
+
+  res3.x = _mm_mask_move_ss (src1.x, 0, src2.x, src3.x);
+  res4.x = _mm_maskz_move_ss (0, src2.x, src3.x);
+
+  __builtin_memcpy (res_ref, src2.a, sizeof (src2.a));
+  res_ref[0] = src1.a[0];
+  if (check_union128 (res3, res_ref))
+    abort ();
+
+  res_ref[0] = zero[0];
+  if (check_union128 (res4, res_ref))
+    abort ();
+
+  val[1] = 42.0f;
+  _mm_mask_store_ss (p + 1, 0, src1.x);
+  if (val[1] != 42.0f)
+    abort ();
+}
--- gcc/testsuite/gcc.target/i386/avx512f-vmovsd-1.c.jj	2019-03-06 15:45:04.922962437 +0100
+++ gcc/testsuite/gcc.target/i386/avx512f-vmovsd-1.c	2019-03-06 15:45:30.032550703 +0100
@@ -0,0 +1,23 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512f -O2 -masm=att" } */
+/* { dg-final { scan-assembler-times "vmovsd\[ \\t\]+\\(%\[a-z0-9,]*\\), %xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vmovsd\[ \\t\]+\\(%\[a-z0-9,]*\\), %xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vmovsd\[ \\t\]+%xmm\[0-9\]+, %xmm\[0-9\]+, %xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vmovsd\[ \\t\]+%xmm\[0-9\]+, %xmm\[0-9\]+, %xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vmovsd\[ \\t\]+%xmm\[0-9\]+, \\(%\[a-z0-9,]*\\)\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+
+#include <immintrin.h>
+
+volatile __m128d x1, x2, x3;
+volatile __mmask8 m;
+double *volatile p;
+
+void extern
+avx512f_test (void)
+{
+  x1 = _mm_mask_load_sd (x1, m, p);
+  x1 = _mm_maskz_load_sd (m, p);
+  x1 = _mm_mask_move_sd (x1, m, x2, x3);
+  x1 = _mm_maskz_move_sd (m, x2, x3);
+  _mm_mask_store_sd (p, m, x1);
+}
--- gcc/testsuite/gcc.target/i386/avx512f-vmovsd-2.c.jj	2019-03-06 19:05:18.862487956 +0100
+++ gcc/testsuite/gcc.target/i386/avx512f-vmovsd-2.c	2019-03-06 19:07:58.954861065 +0100
@@ -0,0 +1,87 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -mavx512f" } */
+/* { dg-require-effective-target avx512f } */
+
+#include "avx512f-check.h"
+
+#include "avx512f-helper.h"
+
+#define SIZE (128 / 64)
+#include "avx512f-mask-type.h"
+
+void
+avx512f_test (void)
+{
+  int i, sign;
+  union128d res1, res2, res3, res4, src1, src2, src3;
+  volatile __mmask8 mask = 5;
+  double val[2] = { 35.5, 0.0 };
+  double *volatile p = &val[0];
+  double res_ref[SIZE];
+  double zero[SIZE];
+
+  for (i = 0; i < SIZE; i++)
+    {
+      src1.a[i] = 1.5 + i;
+      src2.a[i] = 7.5 + i;
+      src3.a[i] = 4.5 + i;
+      zero[i] = 0.0;
+    }
+
+  res1.x = _mm_mask_load_sd (src1.x, mask, p);
+  res2.x = _mm_maskz_load_sd (mask, p);
+
+  __builtin_memcpy (res_ref, zero, sizeof (zero));
+  res_ref[0] = val[0];
+  if (check_union128d (res1, res_ref))
+    abort ();
+
+  if (check_union128d (res2, res_ref))
+    abort ();
+
+  res3.x = _mm_mask_move_sd (src1.x, mask, src2.x, src3.x);
+  res4.x = _mm_maskz_move_sd (mask, src2.x, src3.x);
+
+  __builtin_memcpy (res_ref, src2.a, sizeof (src2.a));
+  res_ref[0] = src3.a[0];
+  if (check_union128d (res3, res_ref))
+    abort ();
+
+  if (check_union128d (res4, res_ref))
+    abort ();
+
+  _mm_mask_store_sd (p + 1, mask, src1.x);
+  if (val[1] != src1.a[0])
+    abort ();
+
+  mask ^= 1;
+
+  res1.x = _mm_mask_load_sd (src1.x, mask, p);
+  res2.x = _mm_maskz_load_sd (mask, p);
+
+  __builtin_memcpy (res_ref, zero, sizeof (zero));
+  res_ref[0] = src1.a[0];
+  if (check_union128d (res1, res_ref))
+    abort ();
+
+  res_ref[0] = zero[0];
+  if (check_union128d (res2, res_ref))
+    abort ();
+
+  res3.x = _mm_mask_move_sd (src1.x, mask, src2.x, src3.x);
+  res4.x = _mm_maskz_move_sd (mask, src2.x, src3.x);
+
+  __builtin_memcpy (res_ref, src2.a, sizeof (src2.a));
+  res_ref[0] = src1.a[0];
+  if (check_union128d (res3, res_ref))
+    abort ();
+
+  res_ref[0] = zero[0];
+  if (check_union128d (res4, res_ref))
+    abort ();
+
+  val[1] = 42.0;
+  _mm_mask_store_sd (p + 1, mask, src1.x);
+  if (val[1] != 42.0)
+    abort ();
+}
--- gcc/testsuite/gcc.target/i386/avx512f-vmovsd-3.c.jj	2019-03-06 19:11:57.977939021 +0100
+++ gcc/testsuite/gcc.target/i386/avx512f-vmovsd-3.c	2019-03-06 19:12:47.090133163 +0100
@@ -0,0 +1,84 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -mavx512f" } */
+/* { dg-require-effective-target avx512f } */
+
+#include "avx512f-check.h"
+
+#include "avx512f-helper.h"
+
+#define SIZE (128 / 64)
+#include "avx512f-mask-type.h"
+
+void
+avx512f_test (void)
+{
+  int i, sign;
+  union128d res1, res2, res3, res4, src1, src2, src3;
+  double val[2] = { 35.5, 0.0 };
+  double *volatile p = &val[0];
+  double res_ref[SIZE];
+  double zero[SIZE];
+
+  for (i = 0; i < SIZE; i++)
+    {
+      src1.a[i] = 1.5 + i;
+      src2.a[i] = 7.5 + i;
+      src3.a[i] = 4.5 + i;
+      zero[i] = 0.0;
+    }
+
+  res1.x = _mm_mask_load_sd (src1.x, 1, p);
+  res2.x = _mm_maskz_load_sd (1, p);
+
+  __builtin_memcpy (res_ref, zero, sizeof (zero));
+  res_ref[0] = val[0];
+  if (check_union128d (res1, res_ref))
+    abort ();
+
+  if (check_union128d (res2, res_ref))
+    abort ();
+
+  res3.x = _mm_mask_move_sd (src1.x, 1, src2.x, src3.x);
+  res4.x = _mm_maskz_move_sd (1, src2.x, src3.x);
+
+  __builtin_memcpy (res_ref, src2.a, sizeof (src2.a));
+  res_ref[0] = src3.a[0];
+  if (check_union128d (res3, res_ref))
+    abort ();
+
+  if (check_union128d (res4, res_ref))
+    abort ();
+
+  _mm_mask_store_sd (p + 1, 1, src1.x);
+  if (val[1] != src1.a[0])
+    abort ();
+
+  res1.x = _mm_mask_load_sd (src1.x, 0, p);
+  res2.x = _mm_maskz_load_sd (0, p);
+
+  __builtin_memcpy (res_ref, zero, sizeof (zero));
+  res_ref[0] = src1.a[0];
+  if (check_union128d (res1, res_ref))
+    abort ();
+
+  res_ref[0] = zero[0];
+  if (check_union128d (res2, res_ref))
+    abort ();
+
+  res3.x = _mm_mask_move_sd (src1.x, 0, src2.x, src3.x);
+  res4.x = _mm_maskz_move_sd (0, src2.x, src3.x);
+
+  __builtin_memcpy (res_ref, src2.a, sizeof (src2.a));
+  res_ref[0] = src1.a[0];
+  if (check_union128d (res3, res_ref))
+    abort ();
+
+  res_ref[0] = zero[0];
+  if (check_union128d (res4, res_ref))
+    abort ();
+
+  val[1] = 42.0;
+  _mm_mask_store_sd (p + 1, 0, src1.x);
+  if (val[1] != 42.0)
+    abort ();
+}
