Comment on A time-travelling door bug in Half Life 2parentComments−ksherlock9moThere was at least one reason... long double x87me(long double a, long double b) { return a+b; } pushq %rbp movq %rsp, %rbp fldt 32(%rbp) fldt 16(%rbp) faddp %st(1) popq %rbp retq−adastra229mowhat is this?−Tankenstein9moLooks like a demonstration that using `long double` math requires dipping into x87 instructions, specifically the `fldt` instruction: "floating point load ten bytes".
Comments
There was at least one reason...
what is this?
Looks like a demonstration that using `long double` math requires dipping into x87 instructions, specifically the `fldt` instruction: "floating point load ten bytes".