[PATCH][Binutils]AArch64 Enable FP16 by default for Armv9-A.

[Tamar Christina]

> 
> On 16/05/2022 17:10, Tamar Christina via Binutils wrote:
> > Hi All,
> >
> > In Armv9-A SVE is mandatory, and for SVE FP16 is mandatory.  This
> > fixes a disconnect between GCC and binutils where GCC has FP16 on by
> default and gas doesn't.
> >
> > build on native hardware and regtested on aarch64-none-linux-gnu and no
> issues.
> >
> > Ok for master? and for backport to binutils-2.38?
> >
> 
> OK for master.  I think you'll need Nick to approve a backport, though.
>   I would recommend that.
> 

Ah ok, Nick, permission to backport to 2.38?

Cheers,
Tamar

> R.
> 
> > Thanks,
> > Tamar
> >
> > include/ChangeLog:
> >
> > 2022-05-16  Tamar Christina  <tamar.christina@arm.com>
> >
> > 	* opcode/aarch64.h (AARCH64_ARCH_V9_FEATURES): Add
> AARCH64_FEATURE_F16.
> >
> > --- inline copy of patch --
> > diff --git a/include/opcode/aarch64.h b/include/opcode/aarch64.h index
> >
> a4912930c8f1e564bec6ec46a649ac1205093bd1..8fe27900cba3e897880a3966cc
> 2a
> > 17e89dbdf018 100644
> > --- a/include/opcode/aarch64.h
> > +++ b/include/opcode/aarch64.h
> > @@ -140,6 +140,7 @@ typedef uint32_t aarch64_insn;
> >   					 | AARCH64_FEATURE_HBC)
> >
> >   #define AARCH64_ARCH_V9_FEATURES	(AARCH64_FEATURE_V9
> 		\
> > +					 | AARCH64_FEATURE_F16          \
> >   					 | AARCH64_FEATURE_SVE
> 	\
> >   					 | AARCH64_FEATURE_SVE2)
> >   #define AARCH64_ARCH_V9_1_FEATURES
> 	(AARCH64_ARCH_V8_6_FEATURES)
> >
> >
> >
> >