[AArch64][8/10] ARMv8.2-A FP16 two operands scalar intrinsics

gcc/
	* config/aarch64/aarch64-simd-builtins.def: Register new builtins.
	* config/aarch64/aarch64.md (<FCVT_F2FIXED:fcvt_fixed_insn>hf<mode>3):
	New.
	(<FCVT_FIXED2F:fcvt_fixed_insn><mode>hf3): Likewise.
	(add<mode>3): Likewise.
	(sub<mode>3): Likewise.
	(mul<mode>3): Likewise.
	(div<mode>3): Likewise.
	(*div<mode>3): Likewise.
	(<fmaxmin><mode>3): Extend to HF.
	* config/aarch64/aarch64-simd.md (aarch64_rsqrts<mode>): Likewise.
	(fabd<mode>3): Likewise.
	(<FCVT_F2FIXED:fcvt_fixed_insn><VHSDF_HSDF:mode>3): Likewise.
	(<FCVT_FIXED2F:fcvt_fixed_insn><VHSDI_HSDI:mode>3): Likewise.
	(aarch64_fmulx<mode>): Likewise.
	(aarch64_fac<optab><mode>): Likewise.
	(aarch64_frecps<mode>): Likewise.
	(<FCVT_F2FIXED:fcvt_fixed_insn>hfhi3): New.
	(<FCVT_FIXED2F:fcvt_fixed_insn>hihf3): Likewise.
	* config/aarch64/iterators.md (VHSDF_SDF): Delete.
	(VSDQ_HSDI): Support HI.
	(fcvt_target, FCVT_TARGET): Likewise.
	* config/aarch64/arm_fp16.h (vaddh_f16, vsubh_f16, vabdh_f16,
	vcageh_f16, vcagth_f16, vcaleh_f16, vcalth_f16, vceqh_f16, vcgeh_f16,
	vcgth_f16, vcleh_f16, vclth_f16, vcvth_n_f16_s16, vcvth_n_f16_s32,
	vcvth_n_f16_s64, vcvth_n_f16_u16, vcvth_n_f16_u32, vcvth_n_f16_u64,
	vcvth_n_s16_f16, vcvth_n_s32_f16, vcvth_n_s64_f16, vcvth_n_u16_f16,
	vcvth_n_u32_f16, vcvth_n_u64_f16, vdivh_f16, vmaxh_f16, vmaxnmh_f16,
	vminh_f16, vminnmh_f16, vmulh_f16, vmulxh_f16, vrecpsh_f16,
	vrsqrtsh_f16): New.

From-SVN: r238723

5 files changed, 311 insertions, 63 deletions

diff --git a/gcc/config/aarch64/aarch64-simd-builtins.def b/gcc/config/aarch64/aarch64-simd-builtins.def
index 6f50d84..31abc07 100644
--- a/gcc/config/aarch64/aarch64-simd-builtins.def
+++ b/gcc/config/aarch64/aarch64-simd-builtins.def
@@ -41,7 +41,7 @@
 
   BUILTIN_VDC (COMBINE, combine, 0)
   BUILTIN_VB (BINOP, pmul, 0)
-  BUILTIN_VHSDF_SDF (BINOP, fmulx, 0)
+  BUILTIN_VHSDF_HSDF (BINOP, fmulx, 0)
   BUILTIN_VHSDF_DF (UNOP, sqrt, 2)
   BUILTIN_VD_BHSI (BINOP, addp, 0)
   VAR1 (UNOP, addp, 0, di)
@@ -393,13 +393,12 @@
   /* Implemented by
      aarch64_frecp<FRECP:frecp_suffix><mode>.  */
   BUILTIN_GPF_F16 (UNOP, frecpe, 0)
-  BUILTIN_GPF (BINOP, frecps, 0)
   BUILTIN_GPF_F16 (UNOP, frecpx, 0)
 
   BUILTIN_VDQ_SI (UNOP, urecpe, 0)
 
   BUILTIN_VHSDF (UNOP, frecpe, 0)
-  BUILTIN_VHSDF (BINOP, frecps, 0)
+  BUILTIN_VHSDF_HSDF (BINOP, frecps, 0)
 
   /* Implemented by a mixture of abs2 patterns.  Note the DImode builtin is
      only ever used for the int64x1_t intrinsic, there is no scalar version.  */
@@ -496,17 +495,23 @@
   /* Implemented by <FCVT_F2FIXED/FIXED2F:fcvt_fixed_insn><*><*>3.  */
   BUILTIN_VSDQ_HSDI (SHIFTIMM, scvtf, 3)
   BUILTIN_VSDQ_HSDI (FCVTIMM_SUS, ucvtf, 3)
-  BUILTIN_VHSDF_SDF (SHIFTIMM, fcvtzs, 3)
-  BUILTIN_VHSDF_SDF (SHIFTIMM_USS, fcvtzu, 3)
+  BUILTIN_VHSDF_HSDF (SHIFTIMM, fcvtzs, 3)
+  BUILTIN_VHSDF_HSDF (SHIFTIMM_USS, fcvtzu, 3)
+  VAR1 (SHIFTIMM, scvtfsi, 3, hf)
+  VAR1 (SHIFTIMM, scvtfdi, 3, hf)
+  VAR1 (FCVTIMM_SUS, ucvtfsi, 3, hf)
+  VAR1 (FCVTIMM_SUS, ucvtfdi, 3, hf)
+  BUILTIN_GPI (SHIFTIMM, fcvtzshf, 3)
+  BUILTIN_GPI (SHIFTIMM_USS, fcvtzuhf, 3)
 
   /* Implemented by aarch64_rsqrte<mode>.  */
   BUILTIN_VHSDF_HSDF (UNOP, rsqrte, 0)
 
   /* Implemented by aarch64_rsqrts<mode>.  */
-  BUILTIN_VHSDF_SDF (BINOP, rsqrts, 0)
+  BUILTIN_VHSDF_HSDF (BINOP, rsqrts, 0)
 
   /* Implemented by fabd<mode>3.  */
-  BUILTIN_VHSDF_SDF (BINOP, fabd, 3)
+  BUILTIN_VHSDF_HSDF (BINOP, fabd, 3)
 
   /* Implemented by aarch64_faddp<mode>.  */
   BUILTIN_VHSDF (BINOP, faddp, 0)
@@ -522,10 +527,10 @@
   BUILTIN_VHSDF_HSDF (UNOP, neg, 2)
 
   /* Implemented by aarch64_fac<optab><mode>.  */
-  BUILTIN_VHSDF_SDF (BINOP_USS, faclt, 0)
-  BUILTIN_VHSDF_SDF (BINOP_USS, facle, 0)
-  BUILTIN_VHSDF_SDF (BINOP_USS, facgt, 0)
-  BUILTIN_VHSDF_SDF (BINOP_USS, facge, 0)
+  BUILTIN_VHSDF_HSDF (BINOP_USS, faclt, 0)
+  BUILTIN_VHSDF_HSDF (BINOP_USS, facle, 0)
+  BUILTIN_VHSDF_HSDF (BINOP_USS, facgt, 0)
+  BUILTIN_VHSDF_HSDF (BINOP_USS, facge, 0)
 
   /* Implemented by sqrt<mode>2.  */
   VAR1 (UNOP, sqrt, 2, hf)
@@ -543,3 +548,7 @@
   BUILTIN_GPI_I16 (UNOPUS, fixuns_trunchf, 2)
   BUILTIN_GPI (UNOPUS, fixuns_truncsf, 2)
   BUILTIN_GPI (UNOPUS, fixuns_truncdf, 2)
+
+  /* Implemented by <fmaxmin><mode>3.  */
+  VAR1 (BINOP, fmax, 3, hf)
+  VAR1 (BINOP, fmin, 3, hf)
diff --git a/gcc/config/aarch64/aarch64-simd.md b/gcc/config/aarch64/aarch64-simd.md
index 2ed9d9f..0bf3ac8 100644
--- a/gcc/config/aarch64/aarch64-simd.md
+++ b/gcc/config/aarch64/aarch64-simd.md
@@ -391,9 +391,9 @@
   [(set_attr "type" "neon_fp_rsqrte_<stype><q>")])
 
 (define_insn "aarch64_rsqrts<mode>"
-  [(set (match_operand:VHSDF_SDF 0 "register_operand" "=w")
-	(unspec:VHSDF_SDF [(match_operand:VHSDF_SDF 1 "register_operand" "w")
-			   (match_operand:VHSDF_SDF 2 "register_operand" "w")]
+  [(set (match_operand:VHSDF_HSDF 0 "register_operand" "=w")
+	(unspec:VHSDF_HSDF [(match_operand:VHSDF_HSDF 1 "register_operand" "w")
+			    (match_operand:VHSDF_HSDF 2 "register_operand" "w")]
 	 UNSPEC_RSQRTS))]
   "TARGET_SIMD"
   "frsqrts\\t%<v>0<Vmtype>, %<v>1<Vmtype>, %<v>2<Vmtype>"
@@ -475,11 +475,11 @@
 )
 
 (define_insn "fabd<mode>3"
-  [(set (match_operand:VHSDF_SDF 0 "register_operand" "=w")
-	(abs:VHSDF_SDF
-	  (minus:VHSDF_SDF
-	    (match_operand:VHSDF_SDF 1 "register_operand" "w")
-	    (match_operand:VHSDF_SDF 2 "register_operand" "w"))))]
+  [(set (match_operand:VHSDF_HSDF 0 "register_operand" "=w")
+	(abs:VHSDF_HSDF
+	  (minus:VHSDF_HSDF
+	    (match_operand:VHSDF_HSDF 1 "register_operand" "w")
+	    (match_operand:VHSDF_HSDF 2 "register_operand" "w"))))]
   "TARGET_SIMD"
   "fabd\t%<v>0<Vmtype>, %<v>1<Vmtype>, %<v>2<Vmtype>"
   [(set_attr "type" "neon_fp_abd_<stype><q>")]
@@ -3078,10 +3078,10 @@
 ;; fmulx.
 
 (define_insn "aarch64_fmulx<mode>"
-  [(set (match_operand:VHSDF_SDF 0 "register_operand" "=w")
-	(unspec:VHSDF_SDF
-	  [(match_operand:VHSDF_SDF 1 "register_operand" "w")
-	   (match_operand:VHSDF_SDF 2 "register_operand" "w")]
+  [(set (match_operand:VHSDF_HSDF 0 "register_operand" "=w")
+	(unspec:VHSDF_HSDF
+	  [(match_operand:VHSDF_HSDF 1 "register_operand" "w")
+	   (match_operand:VHSDF_HSDF 2 "register_operand" "w")]
 	   UNSPEC_FMULX))]
  "TARGET_SIMD"
  "fmulx\t%<v>0<Vmtype>, %<v>1<Vmtype>, %<v>2<Vmtype>"
@@ -4341,10 +4341,10 @@
   [(set (match_operand:<V_cmp_result> 0 "register_operand" "=w")
 	(neg:<V_cmp_result>
 	  (FAC_COMPARISONS:<V_cmp_result>
-	    (abs:VHSDF_SDF
-	      (match_operand:VHSDF_SDF 1 "register_operand" "w"))
-	    (abs:VHSDF_SDF
-	      (match_operand:VHSDF_SDF 2 "register_operand" "w"))
+	    (abs:VHSDF_HSDF
+	      (match_operand:VHSDF_HSDF 1 "register_operand" "w"))
+	    (abs:VHSDF_HSDF
+	      (match_operand:VHSDF_HSDF 2 "register_operand" "w"))
   )))]
   "TARGET_SIMD"
   "fac<n_optab>\t%<v>0<Vmtype>, %<v><cmp_1><Vmtype>, %<v><cmp_2><Vmtype>"
@@ -5460,10 +5460,10 @@
 )
 
 (define_insn "aarch64_frecps<mode>"
-  [(set (match_operand:VHSDF_SDF 0 "register_operand" "=w")
-	(unspec:VHSDF_SDF
-	  [(match_operand:VHSDF_SDF 1 "register_operand" "w")
-	  (match_operand:VHSDF_SDF 2 "register_operand" "w")]
+  [(set (match_operand:VHSDF_HSDF 0 "register_operand" "=w")
+	(unspec:VHSDF_HSDF
+	  [(match_operand:VHSDF_HSDF 1 "register_operand" "w")
+	  (match_operand:VHSDF_HSDF 2 "register_operand" "w")]
 	  UNSPEC_FRECPS))]
   "TARGET_SIMD"
   "frecps\\t%<v>0<Vmtype>, %<v>1<Vmtype>, %<v>2<Vmtype>"
diff --git a/gcc/config/aarch64/aarch64.md b/gcc/config/aarch64/aarch64.md
index 56ad581..6d0a9dc 100644
--- a/gcc/config/aarch64/aarch64.md
+++ b/gcc/config/aarch64/aarch64.md
@@ -4660,38 +4660,78 @@
    (set_attr "simd" "*, yes")]
 )
 
+(define_insn "<FCVT_F2FIXED:fcvt_fixed_insn>hf<mode>3"
+  [(set (match_operand:GPI 0 "register_operand" "=r")
+	(unspec:GPI [(match_operand:HF 1 "register_operand" "w")
+		     (match_operand:SI 2 "immediate_operand" "i")]
+	 FCVT_F2FIXED))]
+  "TARGET_FP_F16INST"
+   "<FCVT_F2FIXED:fcvt_fixed_insn>\t%<GPI:w>0, %h1, #%2"
+  [(set_attr "type" "f_cvtf2i")]
+)
+
+(define_insn "<FCVT_FIXED2F:fcvt_fixed_insn><mode>hf3"
+  [(set (match_operand:HF 0 "register_operand" "=w")
+	(unspec:HF [(match_operand:GPI 1 "register_operand" "r")
+		    (match_operand:SI 2 "immediate_operand" "i")]
+	 FCVT_FIXED2F))]
+  "TARGET_FP_F16INST"
+  "<FCVT_FIXED2F:fcvt_fixed_insn>\t%h0, %<GPI:w>1, #%2"
+  [(set_attr "type" "f_cvti2f")]
+)
+
+(define_insn "<FCVT_F2FIXED:fcvt_fixed_insn>hf3"
+  [(set (match_operand:HI 0 "register_operand" "=w")
+	(unspec:HI [(match_operand:HF 1 "register_operand" "w")
+		    (match_operand:SI 2 "immediate_operand" "i")]
+	 FCVT_F2FIXED))]
+  "TARGET_SIMD"
+  "<FCVT_F2FIXED:fcvt_fixed_insn>\t%h0, %h1, #%2"
+  [(set_attr "type" "neon_fp_to_int_s")]
+)
+
+(define_insn "<FCVT_FIXED2F:fcvt_fixed_insn>hi3"
+  [(set (match_operand:HF 0 "register_operand" "=w")
+	(unspec:HF [(match_operand:HI 1 "register_operand" "w")
+		    (match_operand:SI 2 "immediate_operand" "i")]
+	 FCVT_FIXED2F))]
+  "TARGET_SIMD"
+  "<FCVT_FIXED2F:fcvt_fixed_insn>\t%h0, %h1, #%2"
+  [(set_attr "type" "neon_int_to_fp_s")]
+)
+
 ;; -------------------------------------------------------------------
 ;; Floating-point arithmetic
 ;; -------------------------------------------------------------------
 
 (define_insn "add<mode>3"
-  [(set (match_operand:GPF 0 "register_operand" "=w")
-        (plus:GPF
-         (match_operand:GPF 1 "register_operand" "w")
-         (match_operand:GPF 2 "register_operand" "w")))]
+  [(set (match_operand:GPF_F16 0 "register_operand" "=w")
+	(plus:GPF_F16
+	 (match_operand:GPF_F16 1 "register_operand" "w")
+	 (match_operand:GPF_F16 2 "register_operand" "w")))]
   "TARGET_FLOAT"
   "fadd\\t%<s>0, %<s>1, %<s>2"
-  [(set_attr "type" "fadd<s>")]
+  [(set_attr "type" "fadd<stype>")]
 )
 
 (define_insn "sub<mode>3"
-  [(set (match_operand:GPF 0 "register_operand" "=w")
-        (minus:GPF
-         (match_operand:GPF 1 "register_operand" "w")
-         (match_operand:GPF 2 "register_operand" "w")))]
+  [(set (match_operand:GPF_F16 0 "register_operand" "=w")
+	(minus:GPF_F16
+	 (match_operand:GPF_F16 1 "register_operand" "w")
+	 (match_operand:GPF_F16 2 "register_operand" "w")))]
   "TARGET_FLOAT"
   "fsub\\t%<s>0, %<s>1, %<s>2"
-  [(set_attr "type" "fadd<s>")]
+  [(set_attr "type" "fadd<stype>")]
 )
 
 (define_insn "mul<mode>3"
-  [(set (match_operand:GPF 0 "register_operand" "=w")
-        (mult:GPF
-         (match_operand:GPF 1 "register_operand" "w")
-         (match_operand:GPF 2 "register_operand" "w")))]
+  [(set (match_operand:GPF_F16 0 "register_operand" "=w")
+	(mult:GPF_F16
+	 (match_operand:GPF_F16 1 "register_operand" "w")
+	 (match_operand:GPF_F16 2 "register_operand" "w")))]
   "TARGET_FLOAT"
   "fmul\\t%<s>0, %<s>1, %<s>2"
-  [(set_attr "type" "fmul<s>")]
+  [(set_attr "type" "fmul<stype>")]
 )
 
 (define_insn "*fnmul<mode>3"
@@ -4715,9 +4755,9 @@
 )
 
 (define_expand "div<mode>3"
- [(set (match_operand:GPF 0 "register_operand")
-       (div:GPF (match_operand:GPF 1 "general_operand")
-		(match_operand:GPF 2 "register_operand")))]
+ [(set (match_operand:GPF_F16 0 "register_operand")
+       (div:GPF_F16 (match_operand:GPF_F16 1 "general_operand")
+		    (match_operand:GPF_F16 2 "register_operand")))]
  "TARGET_SIMD"
 {
   if (aarch64_emit_approx_div (operands[0], operands[1], operands[2]))
@@ -4727,12 +4767,12 @@
 })
 
 (define_insn "*div<mode>3"
-  [(set (match_operand:GPF 0 "register_operand" "=w")
-        (div:GPF (match_operand:GPF 1 "register_operand" "w")
-	         (match_operand:GPF 2 "register_operand" "w")))]
+  [(set (match_operand:GPF_F16 0 "register_operand" "=w")
+	(div:GPF_F16 (match_operand:GPF_F16 1 "register_operand" "w")
+		     (match_operand:GPF_F16 2 "register_operand" "w")))]
   "TARGET_FLOAT"
   "fdiv\\t%<s>0, %<s>1, %<s>2"
-  [(set_attr "type" "fdiv<s>")]
+  [(set_attr "type" "fdiv<stype>")]
 )
 
 (define_insn "neg<mode>2"
@@ -4792,13 +4832,13 @@
 
 ;; Scalar forms for the IEEE-754 fmax()/fmin() functions
 (define_insn "<fmaxmin><mode>3"
-  [(set (match_operand:GPF 0 "register_operand" "=w")
-	(unspec:GPF [(match_operand:GPF 1 "register_operand" "w")
-		     (match_operand:GPF 2 "register_operand" "w")]
+  [(set (match_operand:GPF_F16 0 "register_operand" "=w")
+	(unspec:GPF_F16 [(match_operand:GPF_F16 1 "register_operand" "w")
+		     (match_operand:GPF_F16 2 "register_operand" "w")]
 		     FMAXMIN))]
   "TARGET_FLOAT"
   "<fmaxmin_op>\\t%<s>0, %<s>1, %<s>2"
-  [(set_attr "type" "f_minmax<s>")]
+  [(set_attr "type" "f_minmax<stype>")]
 )
 
 ;; For copysign (x, y), we want to generate:
diff --git a/gcc/config/aarch64/arm_fp16.h b/gcc/config/aarch64/arm_fp16.h
index 818aa61..21edc65 100644
--- a/gcc/config/aarch64/arm_fp16.h
+++ b/gcc/config/aarch64/arm_fp16.h
@@ -360,6 +360,206 @@ vsqrth_f16 (float16_t __a)
   return __builtin_aarch64_sqrthf (__a);
 }
 
+/* ARMv8.2-A FP16 two operands scalar intrinsics.  */
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vaddh_f16 (float16_t __a, float16_t __b)
+{
+  return __a + __b;
+}
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vabdh_f16 (float16_t __a, float16_t __b)
+{
+  return __builtin_aarch64_fabdhf (__a, __b);
+}
+
+__extension__ static __inline uint16_t __attribute__ ((__always_inline__))
+vcageh_f16 (float16_t __a, float16_t __b)
+{
+  return __builtin_aarch64_facgehf_uss (__a, __b);
+}
+
+__extension__ static __inline uint16_t __attribute__ ((__always_inline__))
+vcagth_f16 (float16_t __a, float16_t __b)
+{
+  return __builtin_aarch64_facgthf_uss (__a, __b);
+}
+
+__extension__ static __inline uint16_t __attribute__ ((__always_inline__))
+vcaleh_f16 (float16_t __a, float16_t __b)
+{
+  return __builtin_aarch64_faclehf_uss (__a, __b);
+}
+
+__extension__ static __inline uint16_t __attribute__ ((__always_inline__))
+vcalth_f16 (float16_t __a, float16_t __b)
+{
+  return __builtin_aarch64_faclthf_uss (__a, __b);
+}
+
+__extension__ static __inline uint16_t __attribute__ ((__always_inline__))
+vceqh_f16 (float16_t __a, float16_t __b)
+{
+  return __builtin_aarch64_cmeqhf_uss (__a, __b);
+}
+
+__extension__ static __inline uint16_t __attribute__ ((__always_inline__))
+vcgeh_f16 (float16_t __a, float16_t __b)
+{
+  return __builtin_aarch64_cmgehf_uss (__a, __b);
+}
+
+__extension__ static __inline uint16_t __attribute__ ((__always_inline__))
+vcgth_f16 (float16_t __a, float16_t __b)
+{
+  return __builtin_aarch64_cmgthf_uss (__a, __b);
+}
+
+__extension__ static __inline uint16_t __attribute__ ((__always_inline__))
+vcleh_f16 (float16_t __a, float16_t __b)
+{
+  return __builtin_aarch64_cmlehf_uss (__a, __b);
+}
+
+__extension__ static __inline uint16_t __attribute__ ((__always_inline__))
+vclth_f16 (float16_t __a, float16_t __b)
+{
+  return __builtin_aarch64_cmlthf_uss (__a, __b);
+}
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vcvth_n_f16_s16 (int16_t __a, const int __b)
+{
+  return __builtin_aarch64_scvtfhi (__a, __b);
+}
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vcvth_n_f16_s32 (int32_t __a, const int __b)
+{
+  return __builtin_aarch64_scvtfsihf (__a, __b);
+}
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vcvth_n_f16_s64 (int64_t __a, const int __b)
+{
+  return __builtin_aarch64_scvtfdihf (__a, __b);
+}
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vcvth_n_f16_u16 (uint16_t __a, const int __b)
+{
+  return __builtin_aarch64_ucvtfhi_sus (__a, __b);
+}
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vcvth_n_f16_u32 (uint32_t __a, const int __b)
+{
+  return __builtin_aarch64_ucvtfsihf_sus (__a, __b);
+}
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vcvth_n_f16_u64 (uint64_t __a, const int __b)
+{
+  return __builtin_aarch64_ucvtfdihf_sus (__a, __b);
+}
+
+__extension__ static __inline int16_t __attribute__ ((__always_inline__))
+vcvth_n_s16_f16 (float16_t __a, const int __b)
+{
+  return __builtin_aarch64_fcvtzshf (__a, __b);
+}
+
+__extension__ static __inline int32_t __attribute__ ((__always_inline__))
+vcvth_n_s32_f16 (float16_t __a, const int __b)
+{
+  return __builtin_aarch64_fcvtzshfsi (__a, __b);
+}
+
+__extension__ static __inline int64_t __attribute__ ((__always_inline__))
+vcvth_n_s64_f16 (float16_t __a, const int __b)
+{
+  return __builtin_aarch64_fcvtzshfdi (__a, __b);
+}
+
+__extension__ static __inline uint16_t __attribute__ ((__always_inline__))
+vcvth_n_u16_f16 (float16_t __a, const int __b)
+{
+  return __builtin_aarch64_fcvtzuhf_uss (__a, __b);
+}
+
+__extension__ static __inline uint32_t __attribute__ ((__always_inline__))
+vcvth_n_u32_f16 (float16_t __a, const int __b)
+{
+  return __builtin_aarch64_fcvtzuhfsi_uss (__a, __b);
+}
+
+__extension__ static __inline uint64_t __attribute__ ((__always_inline__))
+vcvth_n_u64_f16 (float16_t __a, const int __b)
+{
+  return __builtin_aarch64_fcvtzuhfdi_uss (__a, __b);
+}
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vdivh_f16 (float16_t __a, float16_t __b)
+{
+  return __a / __b;
+}
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vmaxh_f16 (float16_t __a, float16_t __b)
+{
+  return __builtin_aarch64_fmaxhf (__a, __b);
+}
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vmaxnmh_f16 (float16_t __a, float16_t __b)
+{
+  return __builtin_aarch64_fmaxhf (__a, __b);
+}
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vminh_f16 (float16_t __a, float16_t __b)
+{
+  return __builtin_aarch64_fminhf (__a, __b);
+}
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vminnmh_f16 (float16_t __a, float16_t __b)
+{
+  return __builtin_aarch64_fminhf (__a, __b);
+}
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vmulh_f16 (float16_t __a, float16_t __b)
+{
+  return __a * __b;
+}
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vmulxh_f16 (float16_t __a, float16_t __b)
+{
+  return __builtin_aarch64_fmulxhf (__a, __b);
+}
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vrecpsh_f16 (float16_t __a, float16_t __b)
+{
+  return __builtin_aarch64_frecpshf (__a, __b);
+}
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vrsqrtsh_f16 (float16_t __a, float16_t __b)
+{
+  return __builtin_aarch64_rsqrtshf (__a, __b);
+}
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vsubh_f16 (float16_t __a, float16_t __b)
+{
+  return __a - __b;
+}
+
 #pragma GCC pop_options
 
 #endif
diff --git a/gcc/config/aarch64/iterators.md b/gcc/config/aarch64/iterators.md
index 20d0f1b..91e2e64 100644
--- a/gcc/config/aarch64/iterators.md
+++ b/gcc/config/aarch64/iterators.md
@@ -105,9 +105,6 @@
 (define_mode_iterator VHSDF_DF [(V4HF "TARGET_SIMD_F16INST")
 				(V8HF "TARGET_SIMD_F16INST")
 				V2SF V4SF V2DF DF])
-(define_mode_iterator VHSDF_SDF [(V4HF "TARGET_SIMD_F16INST")
-				 (V8HF "TARGET_SIMD_F16INST")
-				 V2SF V4SF V2DF SF DF])
 (define_mode_iterator VHSDF_HSDF [(V4HF "TARGET_SIMD_F16INST")
 				  (V8HF "TARGET_SIMD_F16INST")
 				  V2SF V4SF V2DF
@@ -190,7 +187,9 @@
 ;; Scalar and Vector modes for S and D, Vector modes for H.
 (define_mode_iterator VSDQ_HSDI [(V4HI "TARGET_SIMD_F16INST")
 				 (V8HI "TARGET_SIMD_F16INST")
-				 V2SI V4SI V2DI SI DI])
+				 V2SI V4SI V2DI
+				 (HI "TARGET_SIMD_F16INST")
+				 SI DI])
 
 ;; Vector modes for Q and H types.
 (define_mode_iterator VDQQH [V8QI V16QI V4HI V8HI])
@@ -705,12 +704,12 @@
 			       (V2DI "v2df") (V4SI "v4sf") (V2SI "v2sf")
 			       (SF "si") (DF "di") (SI "sf") (DI "df")
 			       (V4HF "v4hi") (V8HF "v8hi") (V4HI "v4hf")
-			       (V8HI "v8hf")])
+			       (V8HI "v8hf") (HF "hi") (HI "hf")])
 (define_mode_attr FCVT_TARGET [(V2DF "V2DI") (V4SF "V4SI") (V2SF "V2SI")
 			       (V2DI "V2DF") (V4SI "V4SF") (V2SI "V2SF")
 			       (SF "SI") (DF "DI") (SI "SF") (DI "DF")
 			       (V4HF "V4HI") (V8HF "V8HI") (V4HI "V4HF")
-			       (V8HI "V8HF")])
+			       (V8HI "V8HF") (HF "HI") (HI "HF")])
 
 
 ;; for the inequal width integer to fp conversions