arm: Replace calls to __builtin_vneg* by - in arm_neon.h [PR66791]

gcc/
2020-12-16  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	PR target/66791
	* config/arm/arm_neon.h: Replace calls to __builtin_vneg* by - operator
	in vneg intrinsics.
	* config/arm/arm_neon_builtins.def: Remove entry for vneg.

diff --git a/gcc/config/arm/arm_neon.h b/gcc/config/arm/arm_neon.h
index ed2e914ae68251035839134739312f5e887123fc..1535e658620b8fffac3c9ba6c502a31db7f8fd5b 100644 (file)
--- a/gcc/config/arm/arm_neon.h
+++ b/gcc/config/arm/arm_neon.h
@@ -5714,56 +5714,56 @@ __extension__ extern __inline int8x8_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vneg_s8 (int8x8_t __a)
 {
-  return (int8x8_t)__builtin_neon_vnegv8qi (__a);
+  return -__a;
 }
 
 __extension__ extern __inline int16x4_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vneg_s16 (int16x4_t __a)
 {
-  return (int16x4_t)__builtin_neon_vnegv4hi (__a);
+  return -__a;
 }
 
 __extension__ extern __inline int32x2_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vneg_s32 (int32x2_t __a)
 {
-  return (int32x2_t)__builtin_neon_vnegv2si (__a);
+  return -__a;
 }
 
 __extension__ extern __inline float32x2_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vneg_f32 (float32x2_t __a)
 {
-  return (float32x2_t)__builtin_neon_vnegv2sf (__a);
+  return -__a;
 }
 
 __extension__ extern __inline int8x16_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vnegq_s8 (int8x16_t __a)
 {
-  return (int8x16_t)__builtin_neon_vnegv16qi (__a);
+  return -__a;
 }
 
 __extension__ extern __inline int16x8_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vnegq_s16 (int16x8_t __a)
 {
-  return (int16x8_t)__builtin_neon_vnegv8hi (__a);
+  return -__a;
 }
 
 __extension__ extern __inline int32x4_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vnegq_s32 (int32x4_t __a)
 {
-  return (int32x4_t)__builtin_neon_vnegv4si (__a);
+  return -__a;
 }
 
 __extension__ extern __inline float32x4_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vnegq_f32 (float32x4_t __a)
 {
-  return (float32x4_t)__builtin_neon_vnegv4sf (__a);
+  return -__a;
 }
 
 __extension__ extern __inline int8x8_t

diff --git a/gcc/config/arm/arm_neon_builtins.def b/gcc/config/arm/arm_neon_builtins.def
index cf90427e7f4a8f627c6d10dbda1d6901cb7b0173..1ae0b1d347549fc938ba18a58d856c708e4c9736 100644 (file)
--- a/gcc/config/arm/arm_neon_builtins.def
+++ b/gcc/config/arm/arm_neon_builtins.def
@@ -195,7 +195,6 @@ VAR8 (UNOP, vabs, v8qi, v4hi, v2si, v2sf, v16qi, v8hi, v4si, v4sf)
 VAR2 (UNOP, vabs, v8hf, v4hf)
 VAR2 (UNOP, vneg, v8hf, v4hf)
 VAR6 (UNOP, vqabs, v8qi, v4hi, v2si, v16qi, v8hi, v4si)
-VAR8 (UNOP, vneg, v8qi, v4hi, v2si, v2sf, v16qi, v8hi, v4si, v4sf)
 VAR6 (UNOP, vqneg, v8qi, v4hi, v2si, v16qi, v8hi, v4si)
 VAR6 (UNOP, vcls, v8qi, v4hi, v2si, v16qi, v8hi, v4si)
 VAR6 (UNOP, vclz, v8qi, v4hi, v2si, v16qi, v8hi, v4si)