[Gc] Uses of SSE registers?

Ondřej Bílka neleai at seznam.cz
Wed Oct 16 23:08:59 PDT 2013


On Thu, Oct 17, 2013 at 06:12:30PM +1300, Bruce Hoult wrote:
>    I could be wrong, but I don't *think* there is anything explicitly about
>    SSE in the GC, except for adjusting the exception mask when pushing
>    callee-save registers.
>    It could well be that your build flags are such that your compiler uses
>    SSE instructions for some things written in C.
>    I'm also not entirely sure why you believe that you'd want or need to
>    prevent the GC from using SSE?
> 
Did you tried to pass -mno-sse to gcc?


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