Peter Maydell writes:
> On Wed, 7 Apr 2021 at 19:54, Alex Bennée wrote:
>>
>>
>> Richard Henderson writes:
>>
>> > We were incorrectly assuming that only the first byte of an MTE access
>> > is checked against the tags. But per the ARM, unaligned accesses are
>> > pre-decomposed into single-
Richard Henderson writes:
> On 4/7/21 11:39 AM, Alex Bennée wrote:
>> Richard Henderson writes:
>>
>>> We were incorrectly assuming that only the first byte of an MTE access
>>> is checked against the tags. But per the ARM, unaligned accesses are
>>> pre-decomposed into single-byte accesses.
On Wed, 7 Apr 2021 at 19:54, Alex Bennée wrote:
>
>
> Richard Henderson writes:
>
> > We were incorrectly assuming that only the first byte of an MTE access
> > is checked against the tags. But per the ARM, unaligned accesses are
> > pre-decomposed into single-byte accesses. So by the time we r
On 4/7/21 11:39 AM, Alex Bennée wrote:
Richard Henderson writes:
We were incorrectly assuming that only the first byte of an MTE access
is checked against the tags. But per the ARM, unaligned accesses are
pre-decomposed into single-byte accesses. So by the time we reach the
actual MTE check
Richard Henderson writes:
> We were incorrectly assuming that only the first byte of an MTE access
> is checked against the tags. But per the ARM, unaligned accesses are
> pre-decomposed into single-byte accesses. So by the time we reach the
> actual MTE check in the ARM pseudocode, all acces
We were incorrectly assuming that only the first byte of an MTE access
is checked against the tags. But per the ARM, unaligned accesses are
pre-decomposed into single-byte accesses. So by the time we reach the
actual MTE check in the ARM pseudocode, all accesses are aligned.
Therefore, the first
