IBT/BTI instructions and D compilers

[max haughton]

On Monday, 10 July 2023 at 19:54:59 UTC, Walter Bright wrote:
> On 7/10/2023 5:16 AM, Brian Callahan wrote:
>> All good. I'm just asking about the status of IBT/BTI 
>> instructions being emitted by DMD and LDC. That's all.
>
> Are you talking about the ENDBR32 and ENDBR64 instructions?

Yes. Intel's documentation on this is terrible 
https://edc.intel.com/content/www/us/en/design/ipla/software-development-platforms/client/platforms/alder-lake-desktop/12th-generation-intel-core-processors-datasheet-volume-1-of-2/006/indirect-branch-tracking/