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4 There seems to be a problem with exp(double) and our emulator.  I haven't
10 registers f4-f7 to be preserved over a function call.  The compiler quite
11 often uses an stfe instruction to save f4 on the stack upon entry to a
14 I was looking at some code, that calculated a double result, stored it in f4
15 then made a function call. Upon return from the function call the number in
18 This is a side effect of the stfe instruction.  The double in f4 had to be
21 result from the function call and f4 were used in a multiplication.  If the
22 emulator sees a multiply of a double and extended, it promotes the double to
27 double x, y, z;
28 z = log(x)/log(y);
30 The result of log(x) (a double) will be calculated, returned in f0, then