Re: Be careful when using MMX or Float point instructions in Delphi2007

Qi wrote:

Rudy Velthuis [TeamB] wrote:

So it should not matter what they use, as long as they clean up
after themselves. <g>

I was talking about manually write MMX code for optimization
purpose.
The hand written MMX code may break the common rules.
And if someone doesn't know FillChar use FP instructions (like me), he
will get in trouble.

It should not matter. As Florent quoted from the help, ALL Delphi
functions assume that the FP stack is free for use. So you don't have
to know what FillChar uses. You should simply make sure the FP stack is
empty when you call a Delphi function.

--
Rudy Velthuis [TeamB]

"One word sums up probably the responsibility of any Governor,
and that one word is 'to be prepared'." -- George W. Bush


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