[AArch64, Docs, Patch] Add reference to ACLE in docs.

[Tejas Belagod]

On 03/11/14 17:58, Joseph Myers wrote:
> On Mon, 3 Nov 2014, Tejas Belagod wrote:
>
>> If I mention in a couple of sentences the level of ACLE support there is in
>> GCC currently, this section will need to be updated every time there is an
>> improvement in ACLE support - I guess we'll just have to remember to remove
>> parts of this section as we do that.
>
> Yes, it's generally the case when adding new user-visible features that
> documentation needs updating.  The release notes (gcc-N/changes.html in
> htdocs) should be updated for any significant new features as well.
>

Thanks. The AArch64 ACLE CRC32 intrinsics were introduced in 4.9, so its 
not new in 5.0 - https://gcc.gnu.org/gcc-4.9/changes.html. But we've 
improved AArch64 NEON Intrinsics in 5.0 significantly which deserves a 
mention. I'll do that in a separate patch.

Revised patch to fix extend.texi for ACLE attached. OK for trunk?

Thanks,
Tejas.

2014-11-04  Tejas Belagod  <tejas.belagod@arm.com>

gcc/
     * Makefile.in (TEXI_GCC_FILES): Remove arm-acle-intrinsics.texi,
     arm-neon-intrinsics.texi, aarch64-acle-intrinsics.texi.
     * doc/aarch64-acle-intrinsics.texi: Remove.
     * doc/arm-acle-intrinsics.texi: Remove.
     * doc/arm-neon-intrinsics.texi: Remove.
     * doc/extend.texi: Consolidate sections AArch64 intrinsics,
     ARM NEON Intrinsics, ARM ACLE Intrinsics into one ARM C Language
     Extension section. Add references to public ACLE specification.
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