Parul Chahar writes:
> I found that a new option "-mfence-as-lock-add" is added in binutils 2.27.
> It generate lock instruction when "-mfence-as-lock-add=yes". Otherwise,
> mfence, lfence, sfence is generated.
>
> Please let me know why this option is required. Why lock instruction is
> needed.
Hi,
I found that a new option "-mfence-as-lock-add" is added in binutils 2.27.
It generate lock instruction when "-mfence-as-lock-add=yes". Otherwise,
mfence, lfence, sfence is generated.
Please let me know why this option is required. Why lock instruction is
needed.
Thanks,
Parul
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