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| author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2017-01-12 16:37:28 +0000 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2017-01-12 17:19:06 +0000 |
| commit | f92f5ce01ee6a6a86cbfc4e3b0d18529c302b1ea (patch) | |
| tree | 281cb42189892418ad05bf500c0cc1b29cc5af55 /arch/arm64/include | |
| parent | 7f332fc1f0f053799aeda587cefbc67b5ecd72c5 (diff) | |
| download | linux-f92f5ce01ee6a6a86cbfc4e3b0d18529c302b1ea.tar.gz linux-f92f5ce01ee6a6a86cbfc4e3b0d18529c302b1ea.tar.xz | |
arm64: Advertise support for Rounding double multiply instructions
ARM v8.1 extensions include support for rounding double multiply
add/subtract instructions to the A64 SIMD instructions set. Let
the userspace know about it via a HWCAP bit.
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/include')
| -rw-r--r-- | arch/arm64/include/uapi/asm/hwcap.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/uapi/asm/hwcap.h b/arch/arm64/include/uapi/asm/hwcap.h index 773c90b05458..61c263cba272 100644 --- a/arch/arm64/include/uapi/asm/hwcap.h +++ b/arch/arm64/include/uapi/asm/hwcap.h @@ -31,5 +31,6 @@ #define HWCAP_FPHP (1 << 9) #define HWCAP_ASIMDHP (1 << 10) #define HWCAP_CPUID (1 << 11) +#define HWCAP_ASIMDRDM (1 << 12) #endif /* _UAPI__ASM_HWCAP_H */ |