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* [gcc r12-5168] aarch64: Use type-qualified builtins for UHSUB Neon intrinsics
@ 2021-11-11 15:35 Jonathan Wright
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From: Jonathan Wright @ 2021-11-11 15:35 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:aa11d95bea22beb2d9f4ece2b4bf31fa55dc194a
commit r12-5168-gaa11d95bea22beb2d9f4ece2b4bf31fa55dc194a
Author: Jonathan Wright <jonathan.wright@arm.com>
Date: Tue Nov 9 11:39:57 2021 +0000
aarch64: Use type-qualified builtins for UHSUB Neon intrinsics
Declare unsigned type-qualified builtins and use them to implement
halving-subtract Neon intrinsics. This removes the need for many
casts in arm_neon.h.
gcc/ChangeLog:
2021-11-09 Jonathan Wright <jonathan.wright@arm.com>
* config/aarch64/aarch64-simd-builtins.def: Use BINOPU type
qualifiers in generator macros for uhsub builtins.
* config/aarch64/arm_neon.h (vhsub_s8): Remove unnecessary
cast.
(vhsub_s16): Likewise.
(vhsub_s32): Likewise.
(vhsub_u8): Use type-qualified builtin and remove casts.
(vhsub_u16): Likewise.
(vhsub_u32): Likewise.
(vhsubq_s8): Remove unnecessary cast.
(vhsubq_s16): Likewise.
(vhsubq_s32): Likewise.
(vhsubq_u8): Use type-qualified builtin and remove casts.
(vhsubq_u16): Likewise.
(vhsubq_u32): Likewise.
Diff:
---
gcc/config/aarch64/aarch64-simd-builtins.def | 2 +-
gcc/config/aarch64/arm_neon.h | 30 +++++++++++-----------------
2 files changed, 13 insertions(+), 19 deletions(-)
diff --git a/gcc/config/aarch64/aarch64-simd-builtins.def b/gcc/config/aarch64/aarch64-simd-builtins.def
index e21ca76893c..0d5d22e11e2 100644
--- a/gcc/config/aarch64/aarch64-simd-builtins.def
+++ b/gcc/config/aarch64/aarch64-simd-builtins.def
@@ -179,7 +179,7 @@
BUILTIN_VDQ_BHSI (BINOP, shadd, 0, NONE)
BUILTIN_VDQ_BHSI (BINOP, shsub, 0, NONE)
BUILTIN_VDQ_BHSI (BINOPU, uhadd, 0, NONE)
- BUILTIN_VDQ_BHSI (BINOP, uhsub, 0, NONE)
+ BUILTIN_VDQ_BHSI (BINOPU, uhsub, 0, NONE)
BUILTIN_VDQ_BHSI (BINOP, srhadd, 0, NONE)
BUILTIN_VDQ_BHSI (BINOPU, urhadd, 0, NONE)
diff --git a/gcc/config/aarch64/arm_neon.h b/gcc/config/aarch64/arm_neon.h
index 0848b019de5..05af357f9d5 100644
--- a/gcc/config/aarch64/arm_neon.h
+++ b/gcc/config/aarch64/arm_neon.h
@@ -1956,90 +1956,84 @@ __extension__ extern __inline int8x8_t
__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
vhsub_s8 (int8x8_t __a, int8x8_t __b)
{
- return (int8x8_t)__builtin_aarch64_shsubv8qi (__a, __b);
+ return __builtin_aarch64_shsubv8qi (__a, __b);
}
__extension__ extern __inline int16x4_t
__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
vhsub_s16 (int16x4_t __a, int16x4_t __b)
{
- return (int16x4_t) __builtin_aarch64_shsubv4hi (__a, __b);
+ return __builtin_aarch64_shsubv4hi (__a, __b);
}
__extension__ extern __inline int32x2_t
__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
vhsub_s32 (int32x2_t __a, int32x2_t __b)
{
- return (int32x2_t) __builtin_aarch64_shsubv2si (__a, __b);
+ return __builtin_aarch64_shsubv2si (__a, __b);
}
__extension__ extern __inline uint8x8_t
__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
vhsub_u8 (uint8x8_t __a, uint8x8_t __b)
{
- return (uint8x8_t) __builtin_aarch64_uhsubv8qi ((int8x8_t) __a,
- (int8x8_t) __b);
+ return __builtin_aarch64_uhsubv8qi_uuu (__a, __b);
}
__extension__ extern __inline uint16x4_t
__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
vhsub_u16 (uint16x4_t __a, uint16x4_t __b)
{
- return (uint16x4_t) __builtin_aarch64_uhsubv4hi ((int16x4_t) __a,
- (int16x4_t) __b);
+ return __builtin_aarch64_uhsubv4hi_uuu (__a, __b);
}
__extension__ extern __inline uint32x2_t
__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
vhsub_u32 (uint32x2_t __a, uint32x2_t __b)
{
- return (uint32x2_t) __builtin_aarch64_uhsubv2si ((int32x2_t) __a,
- (int32x2_t) __b);
+ return __builtin_aarch64_uhsubv2si_uuu (__a, __b);
}
__extension__ extern __inline int8x16_t
__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
vhsubq_s8 (int8x16_t __a, int8x16_t __b)
{
- return (int8x16_t) __builtin_aarch64_shsubv16qi (__a, __b);
+ return __builtin_aarch64_shsubv16qi (__a, __b);
}
__extension__ extern __inline int16x8_t
__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
vhsubq_s16 (int16x8_t __a, int16x8_t __b)
{
- return (int16x8_t) __builtin_aarch64_shsubv8hi (__a, __b);
+ return __builtin_aarch64_shsubv8hi (__a, __b);
}
__extension__ extern __inline int32x4_t
__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
vhsubq_s32 (int32x4_t __a, int32x4_t __b)
{
- return (int32x4_t) __builtin_aarch64_shsubv4si (__a, __b);
+ return __builtin_aarch64_shsubv4si (__a, __b);
}
__extension__ extern __inline uint8x16_t
__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
vhsubq_u8 (uint8x16_t __a, uint8x16_t __b)
{
- return (uint8x16_t) __builtin_aarch64_uhsubv16qi ((int8x16_t) __a,
- (int8x16_t) __b);
+ return __builtin_aarch64_uhsubv16qi_uuu (__a, __b);
}
__extension__ extern __inline uint16x8_t
__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
vhsubq_u16 (uint16x8_t __a, uint16x8_t __b)
{
- return (uint16x8_t) __builtin_aarch64_uhsubv8hi ((int16x8_t) __a,
- (int16x8_t) __b);
+ return __builtin_aarch64_uhsubv8hi_uuu (__a, __b);
}
__extension__ extern __inline uint32x4_t
__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
vhsubq_u32 (uint32x4_t __a, uint32x4_t __b)
{
- return (uint32x4_t) __builtin_aarch64_uhsubv4si ((int32x4_t) __a,
- (int32x4_t) __b);
+ return __builtin_aarch64_uhsubv4si_uuu (__a, __b);
}
__extension__ extern __inline int8x8_t
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