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Re: [PATCH 3/3] aarch64: Save and restore SVE registers in ld.so
On 08/02/2018 03:29 AM, Florian Weimer wrote:
> On 08/02/2018 12:23 AM, firstname.lastname@example.org wrote:
>> + * For functions conforming to the procedure call standard as
>> + * amended for SVE support (ARM_100986_0000_00_en (SVEpcs 00bet1)),
>> + * we must save the entire contents of Z0-Z7 as well as P0-P3.
>> + */
> What's the worst-case additional stack usage due to this change?
The current architectural maximum vector size is 256 bytes,
so 2176 bytes total.