> https://gcc.gnu.org/pipermail/gcc-patches/2026-November/738803.html referenced
> https://www.intel.com.br/content/www/br/pt/content-details/932747/user-doitm-and-sup-doitm-extensions-architecture-specification.html

In section 3.1.3 this spec proposes two changes
to the previously published DOIT list [1], for shift
and rotate, as well as for rep stosb.

Can Intel please provide a formal explanation for
why this is not considered problematic?

The relevant Intel teams are cc'ed.

--
C.

[1] 
https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/resources/data-operand-independent-timing-instructions.html

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