Re: [PATCH 2/7] New regs_info for aarch32

[Yao Qi <qiyaoltc@gmail.com>]

On 03/08/15 14:58, Pedro Alves wrote:
> Why weren't these moved as well?  At first,
>
>> >-  init_registers_arm_with_vfpv2 ();
>> >-  init_registers_arm_with_vfpv3 ();
>> >-  init_registers_arm_with_neon ();
>> >+
>> >+  initialize_low_arch_aarch32 ();
> I thought that this was because aarch64 doesn't
> do the old iwmmxt, but then in the following patch you
> have this anyway:

Yes, aarch64 doesn't support iwmmxt.

>
>> >  void
>> >  initialize_low_arch_aarch32 (void)
>> >  {
>> >+#ifndef __aarch64__
>> >    init_registers_arm_with_vfpv2 ();
>> >    init_registers_arm_with_vfpv3 ();
>> >+#endif
>> >    init_registers_arm_with_neon ();
>> >
> So I don't understand when/where to initialize arm32
> descriptions going forward.

Sorry, I am not sure I understand your question.

initialize_low_arch_aarch32 is called from
linux-arm-low.c and linux-aarch64-low.c for arm and aarch64
target respectively.  For aarch64, we initialize arm_with_neon
while for arm, we initialize arm_with_vfpv2 and arm_with_vfpv3
additionally.

-- 
Yao (齐尧)