vppinfra: fix saturate add/sub NEON wrappers 62/33062/3
authorLijian.Zhang <Lijian.Zhang@arm.com>
Fri, 25 Jun 2021 15:42:21 +0000 (23:42 +0800)
committerDamjan Marion <dmarion@me.com>
Tue, 13 Jul 2021 21:24:04 +0000 (21:24 +0000)
Fix the saturate add/sub wrappers in vector_neon.h by using the correct
intrinsics.

Type: fix

Signed-off-by: Lijian Zhang <Lijian.Zhang@arm.com>
Reviewed-by: Tianyu Li <Tianyu.Li@arm.com>
Change-Id: I38a85633948472d4bdb1c199a806633d3070013f

src/vppinfra/vector_neon.h

index ffcbe70..70b05c6 100644 (file)
@@ -17,9 +17,6 @@
 #define included_vector_neon_h
 #include <arm_neon.h>
 
-/* Arithmetic */
-#define u16x8_sub_saturate(a,b) vsubq_u16(a,b)
-#define i16x8_sub_saturate(a,b) vsubq_s16(a,b)
 /* Dummy. Aid making uniform macros */
 #define vreinterpretq_u8_u8(a)  a
 /* Implement the missing intrinsics to make uniform macros */
@@ -54,43 +51,66 @@ u8x16_compare_byte_mask (u8x16 v)
 #define foreach_neon_vec128f \
   _(f,32,4,f32) _(f,64,2,f64)
 
-#define _(t, s, c, i) \
-static_always_inline t##s##x##c                                                \
-t##s##x##c##_splat (t##s x)                                            \
-{ return (t##s##x##c) vdupq_n_##i (x); }                               \
-\
-static_always_inline t##s##x##c                                                \
-t##s##x##c##_load_unaligned (void *p)                                  \
-{ return (t##s##x##c) vld1q_##i (p); }                                 \
-\
-static_always_inline void                                              \
-t##s##x##c##_store_unaligned (t##s##x##c v, void *p)                   \
-{ vst1q_##i (p, v); }                                                  \
-\
-static_always_inline int                                               \
-t##s##x##c##_is_all_zero (t##s##x##c x)                                        \
-{ return !!(vminvq_u##s (vceqq_##i (vdupq_n_##i(0), x))); }                                            \
-\
-static_always_inline int                                               \
-t##s##x##c##_is_equal (t##s##x##c a, t##s##x##c b)                     \
-{ return !!(vminvq_u##s (vceqq_##i (a, b))); }                         \
-\
-static_always_inline int                                               \
-t##s##x##c##_is_all_equal (t##s##x##c v, t##s x)                       \
-{ return t##s##x##c##_is_equal (v, t##s##x##c##_splat (x)); };         \
-\
-static_always_inline u32                                               \
-t##s##x##c##_zero_byte_mask (t##s##x##c x)                     \
-{ uint8x16_t v = vreinterpretq_u8_u##s (vceqq_##i (vdupq_n_##i(0), x));  \
-  return u8x16_compare_byte_mask (v); } \
-\
-static_always_inline u##s##x##c                                                \
-t##s##x##c##_is_greater (t##s##x##c a, t##s##x##c b)                   \
-{ return (u##s##x##c) vcgtq_##i (a, b); }                              \
-\
-static_always_inline t##s##x##c                                                \
-t##s##x##c##_blend (t##s##x##c dst, t##s##x##c src, u##s##x##c mask)   \
-{ return (t##s##x##c) vbslq_##i (mask, src, dst); }
+#define _(t, s, c, i)                                                         \
+  static_always_inline t##s##x##c t##s##x##c##_splat (t##s x)                 \
+  {                                                                           \
+    return (t##s##x##c) vdupq_n_##i (x);                                      \
+  }                                                                           \
+                                                                              \
+  static_always_inline t##s##x##c t##s##x##c##_load_unaligned (void *p)       \
+  {                                                                           \
+    return (t##s##x##c) vld1q_##i (p);                                        \
+  }                                                                           \
+                                                                              \
+  static_always_inline void t##s##x##c##_store_unaligned (t##s##x##c v,       \
+                                                         void *p)            \
+  {                                                                           \
+    vst1q_##i (p, v);                                                         \
+  }                                                                           \
+                                                                              \
+  static_always_inline int t##s##x##c##_is_all_zero (t##s##x##c x)            \
+  {                                                                           \
+    return !!(vminvq_u##s (vceqq_##i (vdupq_n_##i (0), x)));                  \
+  }                                                                           \
+                                                                              \
+  static_always_inline int t##s##x##c##_is_equal (t##s##x##c a, t##s##x##c b) \
+  {                                                                           \
+    return !!(vminvq_u##s (vceqq_##i (a, b)));                                \
+  }                                                                           \
+  static_always_inline int t##s##x##c##_is_all_equal (t##s##x##c v, t##s x)   \
+  {                                                                           \
+    return t##s##x##c##_is_equal (v, t##s##x##c##_splat (x));                 \
+  };                                                                          \
+                                                                              \
+  static_always_inline u32 t##s##x##c##_zero_byte_mask (t##s##x##c x)         \
+  {                                                                           \
+    uint8x16_t v = vreinterpretq_u8_u##s (vceqq_##i (vdupq_n_##i (0), x));    \
+    return u8x16_compare_byte_mask (v);                                       \
+  }                                                                           \
+                                                                              \
+  static_always_inline u##s##x##c t##s##x##c##_is_greater (t##s##x##c a,      \
+                                                          t##s##x##c b)      \
+  {                                                                           \
+    return (u##s##x##c) vcgtq_##i (a, b);                                     \
+  }                                                                           \
+                                                                              \
+  static_always_inline t##s##x##c t##s##x##c##_add_saturate (t##s##x##c a,    \
+                                                            t##s##x##c b)    \
+  {                                                                           \
+    return (t##s##x##c) vqaddq_##i (a, b);                                    \
+  }                                                                           \
+                                                                              \
+  static_always_inline t##s##x##c t##s##x##c##_sub_saturate (t##s##x##c a,    \
+                                                            t##s##x##c b)    \
+  {                                                                           \
+    return (t##s##x##c) vqsubq_##i (a, b);                                    \
+  }                                                                           \
+                                                                              \
+  static_always_inline t##s##x##c t##s##x##c##_blend (                        \
+    t##s##x##c dst, t##s##x##c src, u##s##x##c mask)                          \
+  {                                                                           \
+    return (t##s##x##c) vbslq_##i (mask, src, dst);                           \
+  }
 
 foreach_neon_vec128i foreach_neon_vec128u