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arm64: v8.3: Support for Javascript conversion instruction

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ARMv8.3 adds support for a new instruction to perform conversion
from double precision floating point to integer  to match the
architected behaviour of the equivalent Javascript conversion.
Expose the availability via HWCAP and MRS emulation.

Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Suzuki K Poulose
2017-03-14 18:13:25 +00:00
committed by Catalin Marinas
parent 87da236ebc
commit c8c3798d23
5 changed files with 20 additions and 1 deletions
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arch/arm64/include/uapi/asm/hwcap.h
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@@ -32,5 +32,6 @@
#define HWCAP_ASIMDHP (1 << 10)
#define HWCAP_CPUID (1 << 11)
#define HWCAP_ASIMDRDM (1 << 12)
#define HWCAP_JSCVT (1 << 13)
#endif /* _UAPI__ASM_HWCAP_H */