[AArch64] [BE] [2/2] Make large opaque integer modes endianness-safe.

[David Sherwood]

Hi,

This is the second patch of the work to fix:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59810

and removes the CANNOT_CHANGE_MODE_CLASS macro, which now permits subregs of
vector registers to work correctly on aarch64_be.

NOTE: This patch depends upon the following:
[AArch64] [BE] [1/2] Make large opaque integer modes endianness-safe.
[AArch64] [BE] Fix vector load/stores to not use ld1/st1

Thanks,
David.

ChangeLog:

    gcc/:
    2014-13-10  David Sherwood  <david.sherw...@arm.com>

        * config/aarch64/aarch64.h (CLEAR_INSN_CACHE): Removed.
        * config/aarch64/aarch64.c (aarch64_cannot_change_mode_class): Removed.
        * config/aarch64/aarch64-protos.h (aarch64_cannot_change_mode_class):
        Removed.

ccmc_v2.patch
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