* [PATCH] aarch64: Use type-qualified builtins for UHSUB Neon intrinsics
@ 2021-11-11 10:23 Jonathan Wright
2021-11-11 10:28 ` Richard Sandiford
0 siblings, 1 reply; 2+ messages in thread
From: Jonathan Wright @ 2021-11-11 10:23 UTC (permalink / raw)
To: gcc-patches; +Cc: Richard Sandiford, Kyrylo Tkachov
[-- Attachment #1: Type: text/plain, Size: 925 bytes --]
Hi,
This patch declares unsigned type-qualified builtins and uses them to
implement halving-subtract Neon intrinsics. This removes the need for
many casts in arm_neon.h.
Bootstrapped and regression tested on aarch64-none-linux-gnu - no
issues.
Ok for master?
Thanks,
Jonathan
---
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.
[-- Attachment #2: rb15036.patch --]
[-- Type: application/octet-stream, Size: 4455 bytes --]
diff --git a/gcc/config/aarch64/aarch64-simd-builtins.def b/gcc/config/aarch64/aarch64-simd-builtins.def
index 8f9a8d1707dfdf6111d740da53275e79500e8cde..af04b732227439dcaaa2f3751097050d988eb729 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 73eea7c261f49155d616a2ddf1d96d4be9bca53f..b2781f680d142b848f622d2f4965b42985885502 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
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] aarch64: Use type-qualified builtins for UHSUB Neon intrinsics
2021-11-11 10:23 [PATCH] aarch64: Use type-qualified builtins for UHSUB Neon intrinsics Jonathan Wright
@ 2021-11-11 10:28 ` Richard Sandiford
0 siblings, 0 replies; 2+ messages in thread
From: Richard Sandiford @ 2021-11-11 10:28 UTC (permalink / raw)
To: Jonathan Wright; +Cc: gcc-patches, Kyrylo Tkachov
Jonathan Wright <Jonathan.Wright@arm.com> writes:
> Hi,
>
> This patch declares unsigned type-qualified builtins and uses them to
> implement halving-subtract Neon intrinsics. This removes the need for
> many casts in arm_neon.h.
>
> Bootstrapped and regression tested on aarch64-none-linux-gnu - no
> issues.
>
> Ok for master?
>
> Thanks,
> Jonathan
>
> ---
>
> 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.
OK, thanks.
Richard
> diff --git a/gcc/config/aarch64/aarch64-simd-builtins.def b/gcc/config/aarch64/aarch64-simd-builtins.def
> index 8f9a8d1707dfdf6111d740da53275e79500e8cde..af04b732227439dcaaa2f3751097050d988eb729 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 73eea7c261f49155d616a2ddf1d96d4be9bca53f..b2781f680d142b848f622d2f4965b42985885502 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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2021-11-11 10:28 ` Richard Sandiford
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