Hi Everyone,
I'm having trouble finding vreinterpretq_u64_p128 (and friends) to
help convert a polynomial. I can't find it in arm_neon.h or
arm_acle.h:
$ grep p128 /usr/lib/gcc/aarch64-linux-gnu/4.9/include/arm_acle.h
$ grep p128 /usr/lib/gcc/aarch64-linux-gnu/4.9/include/arm_neon.h
$ grep p64 /usr/lib/gcc/aarch64-linux-gnu/4.9/include/arm_acle.h
$ grep p64 /usr/lib/gcc/aarch64-linux-gnu/4.9/include/arm_neon.h
vmull_p64 (poly64_t a, poly64_t b)
vmull_high_p64 (poly64x2_t a, poly64x2_t b)
$
An RPI-3 with ARMv8/Aarch32 and GCC 4.9.2 has it in arm_neon.h:
$ cat /usr/lib/gcc/arm-linux-gnueabihf/4.9.2/include/arm_neon.h | grep
-A 4 vreinterpretq_u64_p128
vreinterpretq_u64_p128 (poly128_t __a)
{
return (uint64x2_t)__builtin_neon_vreinterpretv2diti
((__builtin_neon_ti) __a);
}
Is there another file that should be included for it? Or is there
something else I should be doing when I want to convert from a
polynomial to a type like uint64x2_t?
Thanks in advance.
Jeff
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