From c0ed52d3e0044630b57a2145be78de199539d995 Mon Sep 17 00:00:00 2001
From: Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
Date: Tue, 8 Dec 2020 23:22:11 +0530
Subject: [PATCH] arm: Replace calls to __builtin_vmvn* by ~ in vmvn intrinsics
 in arm_neon.h [PR66791]

gcc/
2020-12-08  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	PR target/66791
	* config/arm/arm_neon.h: Replace calls to __builtin_vmvn* by ~
	in vmvn intrinsics.
	* config/arm/arm_neon_builtins.def: Remove entry for vmvn.
---
 gcc/config/arm/arm_neon.h            | 28 ++++++++++++++--------------
 gcc/config/arm/arm_neon_builtins.def |  1 -
 2 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/gcc/config/arm/arm_neon.h b/gcc/config/arm/arm_neon.h
index 9569e1a..6c600b3 100644
--- a/gcc/config/arm/arm_neon.h
+++ b/gcc/config/arm/arm_neon.h
@@ -5812,98 +5812,98 @@ __extension__ extern __inline int8x8_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vmvn_s8 (int8x8_t __a)
 {
-  return (int8x8_t)__builtin_neon_vmvnv8qi (__a);
+  return ~__a;
 }
 
 __extension__ extern __inline int16x4_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vmvn_s16 (int16x4_t __a)
 {
-  return (int16x4_t)__builtin_neon_vmvnv4hi (__a);
+  return ~__a;
 }
 
 __extension__ extern __inline int32x2_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vmvn_s32 (int32x2_t __a)
 {
-  return (int32x2_t)__builtin_neon_vmvnv2si (__a);
+  return ~__a;
 }
 
 __extension__ extern __inline uint8x8_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vmvn_u8 (uint8x8_t __a)
 {
-  return (uint8x8_t)__builtin_neon_vmvnv8qi ((int8x8_t) __a);
+  return ~__a;
 }
 
 __extension__ extern __inline uint16x4_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vmvn_u16 (uint16x4_t __a)
 {
-  return (uint16x4_t)__builtin_neon_vmvnv4hi ((int16x4_t) __a);
+  return ~__a;
 }
 
 __extension__ extern __inline uint32x2_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vmvn_u32 (uint32x2_t __a)
 {
-  return (uint32x2_t)__builtin_neon_vmvnv2si ((int32x2_t) __a);
+  return ~__a;
 }
 
 __extension__ extern __inline poly8x8_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vmvn_p8 (poly8x8_t __a)
 {
-  return (poly8x8_t)__builtin_neon_vmvnv8qi ((int8x8_t) __a);
+  return (poly8x8_t) ~((int8x8_t) __a);
 }
 
 __extension__ extern __inline int8x16_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vmvnq_s8 (int8x16_t __a)
 {
-  return (int8x16_t)__builtin_neon_vmvnv16qi (__a);
+  return ~__a;
 }
 
 __extension__ extern __inline int16x8_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vmvnq_s16 (int16x8_t __a)
 {
-  return (int16x8_t)__builtin_neon_vmvnv8hi (__a);
+  return ~__a;
 }
 
 __extension__ extern __inline int32x4_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vmvnq_s32 (int32x4_t __a)
 {
-  return (int32x4_t)__builtin_neon_vmvnv4si (__a);
+  return ~__a;
 }
 
 __extension__ extern __inline uint8x16_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vmvnq_u8 (uint8x16_t __a)
 {
-  return (uint8x16_t)__builtin_neon_vmvnv16qi ((int8x16_t) __a);
+  return ~__a;
 }
 
 __extension__ extern __inline uint16x8_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vmvnq_u16 (uint16x8_t __a)
 {
-  return (uint16x8_t)__builtin_neon_vmvnv8hi ((int16x8_t) __a);
+  return ~__a;
 }
 
 __extension__ extern __inline uint32x4_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vmvnq_u32 (uint32x4_t __a)
 {
-  return (uint32x4_t)__builtin_neon_vmvnv4si ((int32x4_t) __a);
+  return ~__a;
 }
 
 __extension__ extern __inline poly8x16_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vmvnq_p8 (poly8x16_t __a)
 {
-  return (poly8x16_t)__builtin_neon_vmvnv16qi ((int8x16_t) __a);
+  return (poly8x16_t) ~((int8x16_t) __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 0ff0494..1a1a851 100644
--- a/gcc/config/arm/arm_neon_builtins.def
+++ b/gcc/config/arm/arm_neon_builtins.def
@@ -205,7 +205,6 @@ VAR4 (UNOP, vrecpe, v2si, v2sf, v4si, v4sf)
 VAR2 (UNOP, vrecpe, v8hf, v4hf)
 VAR4 (UNOP, vrsqrte, v2si, v2sf, v4si, v4sf)
 VAR2 (UNOP, vrsqrte, v4hf, v8hf)
-VAR6 (UNOP, vmvn, v8qi, v4hi, v2si, v16qi, v8hi, v4si)
 VAR2 (UNOP, vrnd, v8hf, v4hf)
 VAR2 (UNOP, vrnda, v8hf, v4hf)
 VAR2 (UNOP, vrndm, v8hf, v4hf)
-- 
2.7.4