[Bug other/90827] [Aarch64]rev instruction can't oprate NEON registers.
leimaohui at cn dot fujitsu.com
gcc-bugzilla@gcc.gnu.org
Wed Jun 12 02:55:00 GMT 2019
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90827
--- Comment #2 from leimaohui <leimaohui at cn dot fujitsu.com> ---
(In reply to Andrew Pinski from comment #1)
> >"rev" is an alias of "rev64".
>
> It is the other way around. rev64 is an optional alias to rev (for
> intereger registers). rev only takes integer registers. rev64 takes both
> vector and integer registers (though it is optional in ARMv8.0-a and
> ARMv8.1-a modes that it does the integer registers).
>
> By the way the assembler is not part of GCC but rather part of GNU binutils
> project.
I got it, thank you!
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