[AArch64][9/10] ARMv8.2-A FP16 three operands scalar intrinsics

gcc/
	* config/aarch64/aarch64-simd-builtins.def: Register new builtins.
	* config/aarch64/aarch64.md (fma, fnma): Support HF.
	* config/aarch64/arm_fp16.h (vfmah_f16, vfmsh_f16): New.

From-SVN: r238724

gcc/ChangeLog

 2016-07-25  Jiong Wang  <jiong.wang@arm.com>
 
 	* config/aarch64/aarch64-simd-builtins.def: Register new builtins.
+	* config/aarch64/aarch64.md (fma, fnma): Support HF.
+	* config/aarch64/arm_fp16.h (vfmah_f16, vfmsh_f16): New.
+
+2016-07-25  Jiong Wang  <jiong.wang@arm.com>
+
+	* 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.

gcc/config/aarch64/aarch64-simd-builtins.def

@@ -422,8 +422,10 @@
 
   /* Implemented by fma<mode>4.  */
   BUILTIN_VHSDF (TERNOP, fma, 4)
+  VAR1 (TERNOP, fma, 4, hf)
   /* Implemented by fnma<mode>4.  */
   BUILTIN_VHSDF (TERNOP, fnma, 4)
+  VAR1 (TERNOP, fnma, 4, hf)
 
   /* Implemented by aarch64_simd_bsl<mode>.  */
   BUILTIN_VDQQH (BSL_P, simd_bsl, 0)

gcc/config/aarch64/aarch64.md

@@ -4492,23 +4492,24 @@
 ;; fma - no throw
 
 (define_insn "fma<mode>4"
-  [(set (match_operand:GPF 0 "register_operand" "=w")
-        (fma:GPF (match_operand:GPF 1 "register_operand" "w")
-		 (match_operand:GPF 2 "register_operand" "w")
-		 (match_operand:GPF 3 "register_operand" "w")))]
+  [(set (match_operand:GPF_F16 0 "register_operand" "=w")
+        (fma:GPF_F16 (match_operand:GPF_F16 1 "register_operand" "w")
+		     (match_operand:GPF_F16 2 "register_operand" "w")
+		     (match_operand:GPF_F16 3 "register_operand" "w")))]
   "TARGET_FLOAT"
   "fmadd\\t%<s>0, %<s>1, %<s>2, %<s>3"
-  [(set_attr "type" "fmac<s>")]
+  [(set_attr "type" "fmac<stype>")]
 )
 
 (define_insn "fnma<mode>4"
-  [(set (match_operand:GPF 0 "register_operand" "=w")
-	(fma:GPF (neg:GPF (match_operand:GPF 1 "register_operand" "w"))
-		 (match_operand:GPF 2 "register_operand" "w")
-		 (match_operand:GPF 3 "register_operand" "w")))]
+  [(set (match_operand:GPF_F16 0 "register_operand" "=w")
+	(fma:GPF_F16
+	  (neg:GPF_F16 (match_operand:GPF_F16 1 "register_operand" "w"))
+	  (match_operand:GPF_F16 2 "register_operand" "w")
+	  (match_operand:GPF_F16 3 "register_operand" "w")))]
   "TARGET_FLOAT"
   "fmsub\\t%<s>0, %<s>1, %<s>2, %<s>3"
-  [(set_attr "type" "fmac<s>")]
+  [(set_attr "type" "fmac<stype>")]
 )
 
 (define_insn "fms<mode>4"

gcc/config/aarch64/arm_fp16.h

@@ -560,6 +560,20 @@ vsubh_f16 (float16_t __a, float16_t __b)
   return __a - __b;
 }
 
+/* ARMv8.2-A FP16 three operands scalar intrinsics.  */
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vfmah_f16 (float16_t __a, float16_t __b, float16_t __c)
+{
+  return __builtin_aarch64_fmahf (__b, __c, __a);
+}
+
+__extension__ static __inline float16_t __attribute__ ((__always_inline__))
+vfmsh_f16 (float16_t __a, float16_t __b, float16_t __c)
+{
+  return __builtin_aarch64_fnmahf (__b, __c, __a);
+}
+
 #pragma GCC pop_options
 
 #endif