On 6/18/24 3:38 PM, Segher Boessenkool wrote:
> From my viewpoint, -mrop-protect should not change code generation at
> all, except of course it has to emit some hash* insns :-)

Ideally, I agree with that.  That said, the hash* insns only accept negative
offsets and the allowed range is rather limited, so from a practical standpoint,
we might have to modify the prologue code slightly to satisfy the restrictions
those insns have.

Peter

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