Hi,

Here is the latest version of the patch. It just has some minor formatting changes that were brought up by Richard Sandiford in the AArch64 patches

Thanks,
Delia

On 1/22/20 5:29 PM, Delia Burduv wrote:
Ping.

I will change the tests to use the exact input and output registers as Richard Sandiford suggested for the AArch64 patches.

On 12/20/19 6:46 PM, Delia Burduv wrote:
This patch adds the ARMv8.6 ACLE BFloat16 store intrinsics vst<n>{q}_bf16 as part of the BFloat16 extension. (https://developer.arm.com/architectures/instruction-sets/simd-isas/neon/intrinsics)
The intrinsics are declared in arm_neon.h .
A new test is added to check assembler output.

This patch depends on the Arm back-end patche. (https://gcc.gnu.org/ml/gcc-patches/2019-12/msg01448.html)

Tested for regression on arm-none-eabi and armeb-none-eabi. I don't have commit rights, so if this is ok can someone please commit it for me?

gcc/ChangeLog:

2019-11-14  Delia Burduv  <delia.bur...@arm.com>

     * config/arm/arm_neon.h (bfloat16_t): New typedef.
         (bfloat16x4x2_t): New typedef.
         (bfloat16x8x2_t): New typedef.
         (bfloat16x4x3_t): New typedef.
         (bfloat16x8x3_t): New typedef.
         (bfloat16x4x4_t): New typedef.
         (bfloat16x8x4_t): New typedef.
         (vst2_bf16): New.
     (vst2q_bf16): New.
     (vst3_bf16): New.
     (vst3q_bf16): New.
     (vst4_bf16): New.
     (vst4q_bf16): New.
         * config/arm/arm-builtins.c (E_V2BFmode): New mode.
         (VAR13): New.
         (arm_simd_types[Bfloat16x2_t]):New type.
         * config/arm/arm-modes.def (V2BF): New mode.
         * config/arm/arm-simd-builtin-types.def
         (Bfloat16x2_t): New entry.
         * config/arm/arm_neon_builtins.def
         (vst2): Changed to VAR13 and added v4bf, v8bf
         (vst3): Changed to VAR13 and added v4bf, v8bf
         (vst4): Changed to VAR13 and added v4bf, v8bf
         * config/arm/iterators.md (VDXBF): New iterator.
         (VQ2BF): New iterator.
         (V_elem): Added V4BF, V8BF.
         (V_sz_elem): Added V4BF, V8BF.
         (V_mode_nunits): Added V4BF, V8BF.
         (q): Added V4BF, V8BF.
         *config/arm/neon.md (vst2): Used new iterators.
         (vst3): Used new iterators.
         (vst3qa): Used new iterators.
         (vst3qb): Used new iterators.
         (vst4): Used new iterators.
         (vst4qa): Used new iterators.
         (vst4qb): Used new iterators.


gcc/testsuite/ChangeLog:

2019-11-14  Delia Burduv  <delia.bur...@arm.com>

     * gcc.target/arm/simd/bf16_vstn_1.c: New test.
diff --git a/gcc/config/arm/.arm_neon.h.swp b/gcc/config/arm/.arm_neon.h.swp
new file mode 100644
index 0000000000000000000000000000000000000000..faf4293da996b3345914320d783fef94bc49a773
Binary files /dev/null and b/gcc/config/arm/.arm_neon.h.swp differ
diff --git a/gcc/config/arm/arm-builtins.c b/gcc/config/arm/arm-builtins.c
index 7f279cca6688c6f11948159666ee647ae533c61d..44c6f46fd63d5eaa1c3c84340d9acd017bb663e4 100644
--- a/gcc/config/arm/arm-builtins.c
+++ b/gcc/config/arm/arm-builtins.c
@@ -318,6 +318,7 @@ arm_set_sat_qualifiers[SIMD_MAX_BUILTIN_ARGS]
 #define v4bf_UP  E_V4BFmode
 #define v2si_UP  E_V2SImode
 #define v2sf_UP  E_V2SFmode
+#define v2bf_UP  E_V2BFmode
 #define di_UP    E_DImode
 #define v16qi_UP E_V16QImode
 #define v8hi_UP  E_V8HImode
@@ -381,6 +382,9 @@ typedef struct {
 #define VAR12(T, N, A, B, C, D, E, F, G, H, I, J, K, L) \
   VAR11 (T, N, A, B, C, D, E, F, G, H, I, J, K) \
   VAR1 (T, N, L)
+#define VAR13(T, N, A, B, C, D, E, F, G, H, I, J, K, L, M) \
+  VAR12 (T, N, A, B, C, D, E, F, G, H, I, J, K, L) \
+  VAR1 (T, N, M)
 
 /* The builtin data can be found in arm_neon_builtins.def, arm_vfp_builtins.def
    and arm_acle_builtins.def.  The entries in arm_neon_builtins.def require
@@ -1013,6 +1017,7 @@ arm_init_simd_builtin_types (void)
   arm_simd_types[Float32x4_t].eltype = float_type_node;
 
   /* Init Bfloat vector types with underlying __bf16 scalar type.  */
+  arm_simd_types[Bfloat16x2_t].eltype = arm_bf16_type_node;
   arm_simd_types[Bfloat16x4_t].eltype = arm_bf16_type_node;
   arm_simd_types[Bfloat16x8_t].eltype = arm_bf16_type_node;
 
diff --git a/gcc/config/arm/arm-modes.def b/gcc/config/arm/arm-modes.def
index ea92ef35723f979c8bb1f6bfb4fbeb6cd1e4b6e9..6e48223b63d98fcbe38960700dd0949d74629f7f 100644
--- a/gcc/config/arm/arm-modes.def
+++ b/gcc/config/arm/arm-modes.def
@@ -80,6 +80,7 @@ VECTOR_MODE (FLOAT, HF, 2);   /*                 V2HF */
 
 FLOAT_MODE (BF, 2, 0);
 ADJUST_FLOAT_FORMAT (BF, &arm_bfloat_half_format);
+VECTOR_MODE (FLOAT, BF, 2);   /*                 V2BF.  */
 VECTOR_MODE (FLOAT, BF, 4);   /*		 V4BF.  */
 VECTOR_MODE (FLOAT, BF, 8);   /*		 V8BF.  */
 
diff --git a/gcc/config/arm/arm-simd-builtin-types.def b/gcc/config/arm/arm-simd-builtin-types.def
index ea3c9f97b71f03ac28d83266bcdaddcd0d42678b..e35bb765cdf60b127f844877ca938dfb674ec16a 100644
--- a/gcc/config/arm/arm-simd-builtin-types.def
+++ b/gcc/config/arm/arm-simd-builtin-types.def
@@ -48,5 +48,6 @@
   ENTRY (Float16x8_t, V8HF, none, 128, float16, 19)
   ENTRY (Float32x4_t, V4SF, none, 128, float32, 19)
 
+  ENTRY (Bfloat16x2_t, V2BF, none, 32, bfloat16, 20)
   ENTRY (Bfloat16x4_t, V4BF, none, 64, bfloat16, 20)
   ENTRY (Bfloat16x8_t, V8BF, none, 128, bfloat16, 20)
diff --git a/gcc/config/arm/arm_neon.h b/gcc/config/arm/arm_neon.h
index 3c78f435009ab027f92693d00ab5b40960d5419d..fd81c18948db3a7f6e8e863d32511f75bf950e6a 100644
--- a/gcc/config/arm/arm_neon.h
+++ b/gcc/config/arm/arm_neon.h
@@ -18742,6 +18742,89 @@ vcmlaq_rot270_laneq_f32 (float32x4_t __r, float32x4_t __a, float32x4_t __b,
   return __builtin_neon_vcmla_lane270v4sf (__r, __a, __b, __index);
 }
 
+#pragma GCC push_options
+#pragma GCC target ("arch=armv8.2-a+bf16")
+
+typedef struct bfloat16x4x2_t
+{
+  bfloat16x4_t val[2];
+} bfloat16x4x2_t;
+
+typedef struct bfloat16x8x2_t
+{
+  bfloat16x8_t val[2];
+} bfloat16x8x2_t;
+
+typedef struct bfloat16x4x3_t
+{
+  bfloat16x4_t val[3];
+} bfloat16x4x3_t;
+
+typedef struct bfloat16x8x3_t
+{
+  bfloat16x8_t val[3];
+} bfloat16x8x3_t;
+
+typedef struct bfloat16x4x4_t
+{
+  bfloat16x4_t val[4];
+} bfloat16x4x4_t;
+
+typedef struct bfloat16x8x4_t
+{
+  bfloat16x8_t val[4];
+} bfloat16x8x4_t;
+
+__extension__ extern __inline void
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+vst2_bf16 (bfloat16_t * __ptr, bfloat16x4x2_t __val)
+{
+  union { bfloat16x4x2_t __i; __builtin_neon_ti __o; } __bu = { __val };
+  return __builtin_neon_vst2v4bf (__ptr, __bu.__o);
+}
+
+__extension__ extern __inline void
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+vst2q_bf16 (bfloat16_t * __ptr, bfloat16x8x2_t __val)
+{
+  union { bfloat16x8x2_t __i; __builtin_neon_oi __o; } __bu = { __val };
+  return __builtin_neon_vst2v8bf (__ptr, __bu.__o);
+}
+
+__extension__ extern __inline void
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+vst3_bf16 (bfloat16_t * __ptr, bfloat16x4x3_t __val)
+{
+  union { bfloat16x4x3_t __i; __builtin_neon_ei __o; } __bu = { __val };
+  return __builtin_neon_vst3v4bf (__ptr, __bu.__o);
+}
+
+__extension__ extern __inline void
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+vst3q_bf16 (bfloat16_t * __ptr, bfloat16x8x3_t __val)
+{
+  union { bfloat16x8x3_t __i; __builtin_neon_ci __o; } __bu = { __val };
+  return __builtin_neon_vst3v8bf (__ptr, __bu.__o);
+}
+
+__extension__ extern __inline void
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+vst4_bf16 (bfloat16_t * __ptr, bfloat16x4x4_t __val)
+{
+  union { bfloat16x4x4_t __i; __builtin_neon_oi __o; } __bu = { __val };
+  return __builtin_neon_vst4v4bf (__ptr, __bu.__o);
+}
+
+__extension__ extern __inline void
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+vst4q_bf16 (bfloat16_t * __ptr, bfloat16x8x4_t __val)
+{
+  union { bfloat16x8x4_t __i; __builtin_neon_xi __o; } __bu = { __val };
+  return __builtin_neon_vst4v8bf (__ptr, __bu.__o);
+}
+
+#pragma GCC pop_options
+
 #pragma GCC pop_options
 #endif
 
diff --git a/gcc/config/arm/arm_neon_builtins.def b/gcc/config/arm/arm_neon_builtins.def
index e9ff4e501cbb5d16b9211f5bc96db376ddf21afc..c25afa86c991acbe8134e0f528b956d8bdeb0063 100644
--- a/gcc/config/arm/arm_neon_builtins.def
+++ b/gcc/config/arm/arm_neon_builtins.def
@@ -325,8 +325,8 @@ VAR11 (LOAD1, vld2,
 VAR9 (LOAD1LANE, vld2_lane,
 	v8qi, v4hi, v4hf, v2si, v2sf, v8hi, v8hf, v4si, v4sf)
 VAR6 (LOAD1, vld2_dup, v8qi, v4hi, v4hf, v2si, v2sf, di)
-VAR11 (STORE1, vst2,
-	v8qi, v4hi, v4hf, v2si, v2sf, di, v16qi, v8hi, v8hf, v4si, v4sf)
+VAR13 (STORE1, vst2,
+	v8qi, v4hi, v4hf, v4bf, v2si, v2sf, di, v16qi, v8hi, v8hf, v8bf, v4si, v4sf)
 VAR9 (STORE1LANE, vst2_lane,
 	v8qi, v4hi, v4hf, v2si, v2sf, v8hi, v8hf, v4si, v4sf)
 VAR11 (LOAD1, vld3,
@@ -334,8 +334,8 @@ VAR11 (LOAD1, vld3,
 VAR9 (LOAD1LANE, vld3_lane,
 	v8qi, v4hi, v4hf, v2si, v2sf, v8hi, v8hf, v4si, v4sf)
 VAR6 (LOAD1, vld3_dup, v8qi, v4hi, v4hf, v2si, v2sf, di)
-VAR11 (STORE1, vst3,
-	v8qi, v4hi, v4hf, v2si, v2sf, di, v16qi, v8hi, v8hf, v4si, v4sf)
+VAR13 (STORE1, vst3,
+	v8qi, v4hi, v4hf, v4bf, v2si, v2sf, di, v16qi, v8hi, v8hf, v8bf, v4si, v4sf)
 VAR9 (STORE1LANE, vst3_lane,
 	v8qi, v4hi, v4hf, v2si, v2sf, v8hi, v8hf, v4si, v4sf)
 VAR11 (LOAD1, vld4,
@@ -343,8 +343,8 @@ VAR11 (LOAD1, vld4,
 VAR9 (LOAD1LANE, vld4_lane,
 	v8qi, v4hi, v4hf, v2si, v2sf, v8hi, v8hf, v4si, v4sf)
 VAR6 (LOAD1, vld4_dup, v8qi, v4hi, v4hf, v2si, v2sf, di)
-VAR11 (STORE1, vst4,
-	v8qi, v4hi, v4hf, v2si, v2sf, di, v16qi, v8hi, v8hf, v4si, v4sf)
+VAR13 (STORE1, vst4,
+	v8qi, v4hi, v4hf, v4bf, v2si, v2sf, di, v16qi, v8hi, v8hf, v8bf, v4si, v4sf)
 VAR9 (STORE1LANE, vst4_lane,
 	v8qi, v4hi, v4hf, v2si, v2sf, v8hi, v8hf, v4si, v4sf)
 VAR2 (TERNOP, sdot, v8qi, v16qi)
diff --git a/gcc/config/arm/iterators.md b/gcc/config/arm/iterators.md
index 33e29509f00a89fa23d0546687c0e4643f0b32d2..3100efc0d301de574d1d33272bfbe5c0a24ea38e 100644
--- a/gcc/config/arm/iterators.md
+++ b/gcc/config/arm/iterators.md
@@ -84,6 +84,9 @@
 ;; Double-width vector modes plus 64-bit elements.
 (define_mode_iterator VDX [V8QI V4HI V4HF V2SI V2SF DI])
 
+;; Double-width vector modes plus 64-bit elements, including V4BF.
+(define_mode_iterator VDXBF [V8QI V4HI V4HF (V4BF "TARGET_BF16_SIMD") V2SI V2SF DI])
+
 ;; Double-width vector modes plus 64-bit elements,
 ;; with V4BFmode added, suitable for moves.
 (define_mode_iterator VDXMOV [V8QI V4HI V4HF V4BF V2SI V2SF DI])
@@ -100,6 +103,9 @@
 ;; Quad-width vector modes, including V8HF.
 (define_mode_iterator VQ2 [V16QI V8HI V8HF V4SI V4SF])
 
+;; Quad-width vector modes, including V8BF.
+(define_mode_iterator VQ2BF [V16QI V8HI V8HF (V8BF "TARGET_BF16_SIMD") V4SI V4SF])
+
 ;; Quad-width vector modes with 16- or 32-bit elements
 (define_mode_iterator VQ_HS [V8HI V8HF V4SI V4SF])
 
@@ -518,6 +524,7 @@
 (define_mode_attr V_elem [(V8QI "QI") (V16QI "QI")
 			  (V4HI "HI") (V8HI "HI")
 			  (V4HF "HF") (V8HF "HF")
+			  (V4BF "BF") (V8BF "BF")
                           (V2SI "SI") (V4SI "SI")
                           (V2SF "SF") (V4SF "SF")
                           (DI "DI")   (V2DI "DI")])
@@ -692,6 +699,7 @@
 (define_mode_attr V_sz_elem [(V8QI "8")  (V16QI "8")
 			     (V4HI "16") (V8HI  "16")
 			     (V2SI "32") (V4SI  "32")
+                             (V4BF "16") (V8BF "16")
 			     (DI   "64") (V2DI  "64")
 			     (V4HF "16") (V8HF "16")
 			     (V2SF "32") (V4SF  "32")])
@@ -769,6 +777,7 @@
 (define_mode_attr V_mode_nunits [(V8QI "8") (V16QI "16")
 				 (V4HF "4") (V8HF "8")
                                  (V4HI "4") (V8HI "8")
+                                 (V4BF "4") (V8BF "8")
                                  (V2SI "2") (V4SI "4")
                                  (V2SF "2") (V4SF "4")
                                  (DI "1")   (V2DI "2")
@@ -819,6 +828,7 @@
 		     (V4HI "") (V8HI "_q")
 		     (V2SI "") (V4SI "_q")
 		     (V4HF "") (V8HF "_q")
+                     (V4BF "") (V8BF "_q")
 		     (V2SF "") (V4SF "_q")
 		     (V4HF "") (V8HF "_q")
 		     (V4BF "") (V8BF "_q")
diff --git a/gcc/config/arm/neon.md b/gcc/config/arm/neon.md
index 6087ca6f2badde6a492bb515a2cb5846f3d4ad8e..8a88c4cae5945d1d0b499367b24f995d7719da20 100644
--- a/gcc/config/arm/neon.md
+++ b/gcc/config/arm/neon.md
@@ -5492,7 +5492,7 @@ if (BYTES_BIG_ENDIAN)
 (define_insn "neon_vst2<mode>"
   [(set (match_operand:TI 0 "neon_struct_operand" "=Um")
         (unspec:TI [(match_operand:TI 1 "s_register_operand" "w")
-                    (unspec:VDX [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
+                    (unspec:VDXBF [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
                    UNSPEC_VST2))]
   "TARGET_NEON"
 {
@@ -5517,7 +5517,7 @@ if (BYTES_BIG_ENDIAN)
 (define_insn "neon_vst2<mode>"
   [(set (match_operand:OI 0 "neon_struct_operand" "=Um")
 	(unspec:OI [(match_operand:OI 1 "s_register_operand" "w")
-		    (unspec:VQ2 [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
+		    (unspec:VQ2BF [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
 		   UNSPEC_VST2))]
   "TARGET_NEON"
   "vst2.<V_sz_elem>\t%h1, %A0"
@@ -5761,7 +5761,7 @@ if (BYTES_BIG_ENDIAN)
 (define_insn "neon_vst3<mode>"
   [(set (match_operand:EI 0 "neon_struct_operand" "=Um")
         (unspec:EI [(match_operand:EI 1 "s_register_operand" "w")
-                    (unspec:VDX [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
+                    (unspec:VDXBF [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
                    UNSPEC_VST3))]
   "TARGET_NEON"
 {
@@ -5788,7 +5788,7 @@ if (BYTES_BIG_ENDIAN)
 (define_expand "neon_vst3<mode>"
   [(match_operand:CI 0 "neon_struct_operand")
    (match_operand:CI 1 "s_register_operand")
-   (unspec:VQ2 [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
+   (unspec:VQ2BF [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
   "TARGET_NEON"
 {
   rtx mem;
@@ -5803,7 +5803,7 @@ if (BYTES_BIG_ENDIAN)
 (define_insn "neon_vst3qa<mode>"
   [(set (match_operand:EI 0 "neon_struct_operand" "=Um")
         (unspec:EI [(match_operand:CI 1 "s_register_operand" "w")
-                    (unspec:VQ2 [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
+                    (unspec:VQ2BF [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
                    UNSPEC_VST3A))]
   "TARGET_NEON"
 {
@@ -5822,7 +5822,7 @@ if (BYTES_BIG_ENDIAN)
 (define_insn "neon_vst3qb<mode>"
   [(set (match_operand:EI 0 "neon_struct_operand" "=Um")
         (unspec:EI [(match_operand:CI 1 "s_register_operand" "w")
-                    (unspec:VQ2 [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
+                    (unspec:VQ2BF [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
                    UNSPEC_VST3B))]
   "TARGET_NEON"
 {
@@ -6086,7 +6086,7 @@ if (BYTES_BIG_ENDIAN)
 (define_insn "neon_vst4<mode>"
   [(set (match_operand:OI 0 "neon_struct_operand" "=Um")
         (unspec:OI [(match_operand:OI 1 "s_register_operand" "w")
-                    (unspec:VDX [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
+                    (unspec:VDXBF [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
                    UNSPEC_VST4))]
   "TARGET_NEON"
 {
@@ -6114,7 +6114,7 @@ if (BYTES_BIG_ENDIAN)
 (define_expand "neon_vst4<mode>"
   [(match_operand:XI 0 "neon_struct_operand")
    (match_operand:XI 1 "s_register_operand")
-   (unspec:VQ2 [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
+   (unspec:VQ2BF [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
   "TARGET_NEON"
 {
   rtx mem;
@@ -6129,7 +6129,7 @@ if (BYTES_BIG_ENDIAN)
 (define_insn "neon_vst4qa<mode>"
   [(set (match_operand:OI 0 "neon_struct_operand" "=Um")
         (unspec:OI [(match_operand:XI 1 "s_register_operand" "w")
-                    (unspec:VQ2 [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
+                    (unspec:VQ2BF [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
                    UNSPEC_VST4A))]
   "TARGET_NEON"
 {
@@ -6149,7 +6149,7 @@ if (BYTES_BIG_ENDIAN)
 (define_insn "neon_vst4qb<mode>"
   [(set (match_operand:OI 0 "neon_struct_operand" "=Um")
         (unspec:OI [(match_operand:XI 1 "s_register_operand" "w")
-                    (unspec:VQ2 [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
+                    (unspec:VQ2BF [(const_int 0)] UNSPEC_VSTRUCTDUMMY)]
                    UNSPEC_VST4B))]
   "TARGET_NEON"
 {
diff --git a/gcc/testsuite/gcc.target/arm/simd/.bf16_vstn_1.c.swp b/gcc/testsuite/gcc.target/arm/simd/.bf16_vstn_1.c.swp
new file mode 100644
index 0000000000000000000000000000000000000000..fdcc79dc5c64fe5d25200405c79c4cb4355c9c47
Binary files /dev/null and b/gcc/testsuite/gcc.target/arm/simd/.bf16_vstn_1.c.swp differ
diff --git a/gcc/testsuite/gcc.target/arm/simd/bf16_vstn_1.c b/gcc/testsuite/gcc.target/arm/simd/bf16_vstn_1.c
new file mode 100644
index 0000000000000000000000000000000000000000..b52ecfb959776fd04c7c33908cb7f8898ec3fe0b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/simd/bf16_vstn_1.c
@@ -0,0 +1,84 @@
+/* { dg-do assemble } */
+/* { dg-require-effective-target arm_v8_2a_bf16_neon_ok } */
+/* { dg-add-options arm_v8_2a_bf16_neon } */
+/* { dg-additional-options "-save-temps" } */
+/* { dg-final { check-function-bodies "**" "" {-O[^0]} } } */
+
+#include "arm_neon.h"
+
+/*
+**test_vst2_bf16:
+**	...
+**	vst2.16	{d16-d17}, \[r0\]
+**	...
+*/
+void
+test_vst2_bf16 (bfloat16_t *ptr, bfloat16x4x2_t val)
+{
+  vst2_bf16 (ptr, val);
+}
+
+/*
+**test_vst2q_bf16:
+**      ...
+**      vst2.16	{d16+-d19}, \[r0\]
+**      ...
+*/
+void
+test_vst2q_bf16 (bfloat16_t *ptr, bfloat16x8x2_t val)
+{
+  vst2q_bf16 (ptr, val);
+}
+
+/*
+**test_vst3_bf16:
+**      ...
+**      vst3.16	{d16+-d18}, \[r0\]
+**      ...
+*/
+void
+test_vst3_bf16 (bfloat16_t *ptr, bfloat16x4x3_t val)
+{
+  vst3_bf16 (ptr, val);
+}
+
+/*
+**test_vst3q_bf16:
+**      ...
+**      vst3.16	{d16, d18, d20}, \[r0\]
+**      ...
+*/
+void
+test_vst3q_bf16 (bfloat16_t *ptr, bfloat16x8x3_t val)
+{
+  vst3q_bf16 (ptr, val);
+}
+
+/*
+**test_vst4_bf16:
+**      ...
+**      vst4.16	{d16-d19}, \[r0\]
+**      ...
+*/
+void
+test_vst4_bf16 (bfloat16_t *ptr, bfloat16x4x4_t val)
+{
+  vst4_bf16 (ptr, val);
+}
+
+/*
+**test_vst4q_bf16:
+**      ...
+**      vst4.16	{d16, d18, d20, d22}, \[r0\]
+**      ...
+*/
+void
+test_vst4q_bf16 (bfloat16_t *ptr, bfloat16x8x4_t val)
+{
+  vst4q_bf16 (ptr, val);
+}
+
+int main()
+{
+  return 0;
+}

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