diff --git a/gcc/config/i386/i386.cc b/gcc/config/i386/i386.cc
index 9557bffd092..46326d3c82e 100644
--- a/gcc/config/i386/i386.cc
+++ b/gcc/config/i386/i386.cc
@@ -15752,6 +15752,8 @@ ix86_build_const_vector (machine_mode mode, bool vect, rtx value)
     case E_V2DImode:
       gcc_assert (vect);
       /* FALLTHRU */
+    case E_V2HFmode:
+    case E_V4HFmode:
     case E_V8HFmode:
     case E_V16HFmode:
     case E_V32HFmode:
@@ -15793,6 +15795,8 @@ ix86_build_signbit_mask (machine_mode mode, bool vect, bool invert)
 
   switch (mode)
     {
+    case E_V2HFmode:
+    case E_V4HFmode:
     case E_V8HFmode:
     case E_V16HFmode:
     case E_V32HFmode:
diff --git a/gcc/config/i386/mmx.md b/gcc/config/i386/mmx.md
index 77f1db265ab..c68a3d6fe43 100644
--- a/gcc/config/i386/mmx.md
+++ b/gcc/config/i386/mmx.md
@@ -99,7 +99,8 @@ (define_mode_attr mmxdoublemode
 
 ;; Mapping of vector float modes to an integer mode of the same size
 (define_mode_attr mmxintvecmode
-  [(V2SF "V2SI") (V2SI "V2SI") (V4HI "V4HI") (V8QI "V8QI")])
+  [(V2SF "V2SI") (V2SI "V2SI") (V4HI "V4HI") (V8QI "V8QI")
+   (V4HF "V4HF") (V2HF "V2HI")])
 
 (define_mode_attr mmxintvecmodelower
   [(V2SF "v2si") (V2SI "v2si") (V4HI "v4hi") (V8QI "v8qi")])
@@ -2045,6 +2046,117 @@ (define_expand "<code><mode>3"
   DONE;
 })
 
+(define_expand "<code><mode>2"
+  [(set (match_operand:VHF_32_64 0 "register_operand")
+	(absneg:VHF_32_64
+	  (match_operand:VHF_32_64 1 "register_operand")))]
+  "TARGET_SSE"
+  "ix86_expand_fp_absneg_operator (<CODE>, <MODE>mode, operands); DONE;")
+
+(define_insn_and_split "*mmx_<code><mode>"
+  [(set (match_operand:VHF_32_64 0 "register_operand" "=x,x,x")
+	(absneg:VHF_32_64
+	  (match_operand:VHF_32_64 1 "register_operand" "0,x,x")))
+   (use (match_operand:VHF_32_64 2 "register_operand" "x,0,x"))]
+  "TARGET_SSE"
+  "#"
+  "&& reload_completed"
+  [(set (match_dup 0)
+	(<absneg_op>:<MODE> (match_dup 1) (match_dup 2)))]
+{
+  if (!TARGET_AVX && operands_match_p (operands[0], operands[2]))
+    std::swap (operands[1], operands[2]);
+}
+  [(set_attr "isa" "noavx,noavx,avx")])
+
+(define_insn_and_split "*mmx_nabs<mode>2"
+  [(set (match_operand:VHF_32_64 0 "register_operand" "=x,x,x")
+	(neg:VHF_32_64
+	  (abs:VHF_32_64
+	    (match_operand:VHF_32_64 1 "register_operand" "0,x,x"))))
+   (use (match_operand:VHF_32_64 2 "register_operand" "x,0,x"))]
+  "TARGET_SSE"
+  "#"
+  "&& reload_completed"
+  [(set (match_dup 0)
+	(ior:<MODE> (match_dup 1) (match_dup 2)))])
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;
+;; Parallel half-precision floating point logical operations
+;;
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(define_insn "*mmx_andnot<mode>3"
+  [(set (match_operand:VHF_32_64 0 "register_operand"    "=x,x")
+	(and:VHF_32_64
+	  (not:VHF_32_64
+	    (match_operand:VHF_32_64 1 "register_operand" "0,x"))
+	  (match_operand:VHF_32_64 2 "register_operand"   "x,x")))]
+  "TARGET_SSE"
+  "@
+   andnps\t{%2, %0|%0, %2}
+   vandnps\t{%2, %1, %0|%0, %1, %2}"
+  [(set_attr "isa" "noavx,avx")
+   (set_attr "type" "sselog")
+   (set_attr "prefix" "orig,vex")
+   (set_attr "mode" "V4SF")])
+
+(define_insn "<code><mode>3"
+  [(set (match_operand:VHF_32_64 0 "register_operand"   "=x,x")
+	(any_logic:VHF_32_64
+	  (match_operand:VHF_32_64 1 "register_operand" "%0,x")
+	  (match_operand:VHF_32_64 2 "register_operand" " x,x")))]
+  "TARGET_SSE"
+  "@
+   <logic>ps\t{%2, %0|%0, %2}
+   v<logic>ps\t{%2, %1, %0|%0, %1, %2}"
+  [(set_attr "isa" "noavx,avx")
+   (set_attr "type" "sselog,sselog")
+   (set_attr "prefix" "orig,vex")
+   (set_attr "mode" "V4SF")])
+
+(define_expand "copysign<mode>3"
+  [(set (match_dup 4)
+	(and:VHF_32_64
+	  (not:VHF_32_64 (match_dup 3))
+	  (match_operand:VHF_32_64 1 "register_operand")))
+   (set (match_dup 5)
+	(and:VHF_32_64 (match_dup 3)
+		  (match_operand:VHF_32_64 2 "register_operand")))
+   (set (match_operand:VHF_32_64 0 "register_operand")
+	(ior:VHF_32_64 (match_dup 4) (match_dup 5)))]
+  "TARGET_SSE"
+{
+  operands[3] = ix86_build_signbit_mask (<MODE>mode, true, false);
+
+  operands[4] = gen_reg_rtx (<MODE>mode);
+  operands[5] = gen_reg_rtx (<MODE>mode);
+})
+
+(define_expand "xorsign<mode>3"
+  [(set (match_dup 4)
+	(and:VHF_32_64 (match_dup 3)
+		  (match_operand:VHF_32_64 2 "register_operand")))
+   (set (match_operand:VHF_32_64 0 "register_operand")
+	(xor:VHF_32_64 (match_dup 4)
+		  (match_operand:VHF_32_64 1 "register_operand")))]
+  "TARGET_SSE"
+{
+  operands[3] = ix86_build_signbit_mask (<MODE>mode, true, false);
+
+  operands[4] = gen_reg_rtx (<MODE>mode);
+})
+
+(define_expand "signbit<mode>2"
+  [(set (match_operand:<mmxintvecmode> 0 "register_operand")
+	(lshiftrt:<mmxintvecmode>
+	  (subreg:<mmxintvecmode>
+	    (match_operand:VHF_32_64 1 "register_operand") 0)
+	  (match_dup 2)))]
+  "TARGET_SSE2"
+  "operands[2] = GEN_INT (GET_MODE_UNIT_BITSIZE (<MODE>mode)-1);")
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;
 ;; Parallel integral arithmetic
diff --git a/gcc/testsuite/gcc.target/i386/part-vect-absneghf.c b/gcc/testsuite/gcc.target/i386/part-vect-absneghf.c
new file mode 100644
index 00000000000..48aed14d604
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/part-vect-absneghf.c
@@ -0,0 +1,91 @@
+/* { dg-do run { target avx512fp16 } } */
+/* { dg-options "-O1 -mavx512fp16 -mavx512vl -ftree-vectorize -fdump-tree-slp-details -fdump-tree-optimized" } */
+
+extern void abort ();
+
+static void do_test (void);
+
+#define DO_TEST do_test
+#define AVX512FP16
+#include "avx512-check.h"
+
+#define N 16
+_Float16 a[N] = {-0.1f, -3.2f, -6.3f, -9.4f,
+		 -12.5f, -15.6f, -18.7f, -21.8f,
+		 24.9f, 27.1f, 30.2f, 33.3f,
+		 36.4f, 39.5f, 42.6f, 45.7f};
+_Float16 b[N] = {-1.2f, 3.4f, -5.6f, 7.8f,
+		 -9.0f, 1.0f, -2.0f, 3.0f,
+		 -4.0f, -5.0f, 6.0f, 7.0f,
+		 -8.0f, -9.0f, 10.0f, 11.0f};
+_Float16 r[N];
+
+void
+__attribute__((noipa,noinline,optimize("O2")))
+abs_32 (void)
+{
+  r[0] = __builtin_fabsf16 (b[0]);
+  r[1] = __builtin_fabsf16 (b[1]);
+}
+
+void
+__attribute__((noipa,noinline,optimize("O2")))
+abs_64 (void)
+{
+  r[0] =  __builtin_fabsf16 (b[0]);
+  r[1] =  __builtin_fabsf16 (b[1]);
+  r[2] =  __builtin_fabsf16 (b[2]);
+  r[3] =  __builtin_fabsf16 (b[3]);
+}
+
+void
+__attribute__((noipa,noinline,optimize("O2")))
+neg_32 (void)
+{
+  r[0] = -b[0];
+  r[1] = -b[1];
+}
+
+void
+__attribute__((noipa,noinline,optimize("O2")))
+neg_64 (void)
+{
+  r[0] =  -b[0];
+  r[1] =  -b[1];
+  r[2] =  -b[2];
+  r[3] =  -b[3];
+}
+
+static void
+__attribute__ ((noinline, noclone))
+do_test (void)
+{
+  abs_32 ();
+  /* check results:  */
+  for (int i = 0; i != 2; i++)
+    if (r[i] != __builtin_fabsf16 (b[i]))
+      abort ();
+
+  abs_64 ();
+  /* check results:  */
+  for (int i = 0; i != 4; i++)
+    if (r[i] != __builtin_fabsf16 (b[i]))
+      abort ();
+
+  neg_32 ();
+  /* check results:  */
+  for (int i = 0; i != 2; i++)
+    if (r[i] != -b[i])
+      abort ();
+
+  neg_64 ();
+  /* check results:  */
+  for (int i = 0; i != 4; i++)
+    if (r[i] != -b[i])
+      abort ();
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized using 8 byte vectors" 2 "slp2" } } */
+/* { dg-final { scan-tree-dump-times "vectorized using 4 byte vectors" 2 "slp2" } } */
+/* { dg-final { scan-tree-dump-times {(?n)ABS_EXPR <vect} 2 "optimized" { target { ! ia32 } } } } */
+/* { dg-final { scan-tree-dump-times {(?n)= -vect} 2 "optimized" { target { ! ia32 } } } } */
diff --git a/gcc/testsuite/gcc.target/i386/part-vect-copysignhf.c b/gcc/testsuite/gcc.target/i386/part-vect-copysignhf.c
new file mode 100644
index 00000000000..811617bc3dd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/part-vect-copysignhf.c
@@ -0,0 +1,60 @@
+/* { dg-do run { target avx512fp16 } } */
+/* { dg-options "-O1 -mavx512fp16 -mavx512vl -ftree-vectorize -fdump-tree-slp-details -fdump-tree-optimized" } */
+
+extern void abort ();
+
+static void do_test (void);
+
+#define DO_TEST do_test
+#define AVX512FP16
+#include "avx512-check.h"
+
+#define N 16
+_Float16 a[N] = {-0.1f, -3.2f, -6.3f, -9.4f,
+		 -12.5f, -15.6f, -18.7f, -21.8f,
+		 24.9f, 27.1f, 30.2f, 33.3f,
+		 36.4f, 39.5f, 42.6f, 45.7f};
+_Float16 b[N] = {-1.2f, 3.4f, -5.6f, 7.8f,
+		 -9.0f, 1.0f, -2.0f, 3.0f,
+		 -4.0f, -5.0f, 6.0f, 7.0f,
+		 -8.0f, -9.0f, 10.0f, 11.0f};
+_Float16 r[N];
+
+void
+__attribute__((noipa,noinline,optimize("O2")))
+copysign_32 (void)
+{
+  r[0] = __builtin_copysignf16 (1.0f, b[0]);
+  r[1] = __builtin_copysignf16 (1.0f, b[1]);
+}
+
+void
+__attribute__((noipa,noinline,optimize("O2")))
+copysign_64 (void)
+{
+  r[0] =  __builtin_copysignf16 (1.0f, b[0]);
+  r[1] =  __builtin_copysignf16 (1.0f, b[1]);
+  r[2] =  __builtin_copysignf16 (1.0f, b[2]);
+  r[3] =  __builtin_copysignf16 (1.0f, b[3]);
+}
+
+static void
+__attribute__ ((noinline, noclone))
+do_test (void)
+{
+  copysign_32 ();
+  /* check results:  */
+  for (int i = 0; i != 2; i++)
+    if (r[i] != __builtin_copysignf16 (1.0f, b[i]))
+      abort ();
+
+  copysign_64 ();
+  /* check results:  */
+  for (int i = 0; i != 4; i++)
+    if (r[i] != __builtin_copysignf16 (1.0f, b[i]))
+      abort ();
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized using 8 byte vectors" 1 "slp2" } } */
+/* { dg-final { scan-tree-dump-times "vectorized using 4 byte vectors" 1 "slp2" } } */
+/* { dg-final { scan-tree-dump-times ".COPYSIGN" 2 "optimized" { target { ! ia32 } } } } */
diff --git a/gcc/testsuite/gcc.target/i386/part-vect-vminmaxph-1.c b/gcc/testsuite/gcc.target/i386/part-vect-vminmaxph-1.c
index a0c98441de0..ef215e62793 100644
--- a/gcc/testsuite/gcc.target/i386/part-vect-vminmaxph-1.c
+++ b/gcc/testsuite/gcc.target/i386/part-vect-vminmaxph-1.c
@@ -1,7 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-mavx512fp16 -mavx512vl -Ofast" } */
-/* { dg-final { scan-assembler-times {(?n)vmaxph[ \t].*%xmm[0-9]} 2 } } */
-/* { dg-final { scan-assembler-times {(?n)vminph[ \t].*%xmm[0-9]} 2 } } */
+/* { dg-final { scan-assembler-times {(?n)vmaxph[ \t].*%xmm[0-9]} 2 { target { ! ia32 } } } } */
+/* { dg-final { scan-assembler-times {(?n)vminph[ \t].*%xmm[0-9]} 2 { target { ! ia32 } } } } */
 
 void
 foo16_max (_Float16* a, _Float16* b, _Float16* __restrict c)
diff --git a/gcc/testsuite/gcc.target/i386/part-vect-xorsignhf.c b/gcc/testsuite/gcc.target/i386/part-vect-xorsignhf.c
new file mode 100644
index 00000000000..a8ec60a088a
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/part-vect-xorsignhf.c
@@ -0,0 +1,60 @@
+/* { dg-do run { target avx512fp16 } } */
+/* { dg-options "-O1 -mavx512fp16 -mavx512vl -ftree-vectorize -fdump-tree-slp-details -fdump-tree-optimized" } */
+
+extern void abort ();
+
+static void do_test (void);
+
+#define DO_TEST do_test
+#define AVX512FP16
+#include "avx512-check.h"
+
+#define N 16
+_Float16 a[N] = {-0.1f, -3.2f, -6.3f, -9.4f,
+		 -12.5f, -15.6f, -18.7f, -21.8f,
+		 24.9f, 27.1f, 30.2f, 33.3f,
+		 36.4f, 39.5f, 42.6f, 45.7f};
+_Float16 b[N] = {-1.2f, 3.4f, -5.6f, 7.8f,
+		 -9.0f, 1.0f, -2.0f, 3.0f,
+		 -4.0f, -5.0f, 6.0f, 7.0f,
+		 -8.0f, -9.0f, 10.0f, 11.0f};
+_Float16 r[N];
+
+void
+__attribute__((noipa,noinline,optimize("O2")))
+xorsign_32 (void)
+{
+  r[0] = a[0] * __builtin_copysignf16 (1.0f, b[0]);
+  r[1] = a[1] * __builtin_copysignf16 (1.0f, b[1]);
+}
+
+void
+__attribute__((noipa,noinline,optimize("O2")))
+xorsign_64 (void)
+{
+  r[0] = a[0] * __builtin_copysignf16 (1.0f, b[0]);
+  r[1] = a[1] * __builtin_copysignf16 (1.0f, b[1]);
+  r[2] = a[2] * __builtin_copysignf16 (1.0f, b[2]);
+  r[3] = a[3] * __builtin_copysignf16 (1.0f, b[3]);
+}
+
+static void
+__attribute__ ((noinline, noclone))
+do_test (void)
+{
+  xorsign_32 ();
+  /* check results:  */
+  for (int i = 0; i != 2; i++)
+    if (r[i] != a[i] * __builtin_copysignf16 (1.0f, b[i]))
+      abort ();
+
+  xorsign_64 ();
+  /* check results:  */
+  for (int i = 0; i != 4; i++)
+    if (r[i] != a[i] * __builtin_copysignf16 (1.0f, b[i]))
+      abort ();
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized using 8 byte vectors" 1 "slp2" } } */
+/* { dg-final { scan-tree-dump-times "vectorized using 4 byte vectors" 1 "slp2" } } */
+/* { dg-final { scan-tree-dump-times ".XORSIGN" 2 "optimized" { target { ! ia32 } } } } */
