| description | title | ms.date | helpviewer_keywords | ms.assetid | ||
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Learn more about: Floating Point Coprocessor and Calling Conventions |
Floating Point Coprocessor and Calling Conventions |
11/04/2016 |
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3cc6615a-b308-4cf7-9570-83e192a832b3 |
If you are writing assembly routines for the floating point coprocessor, you must preserve the floating point control word and clean the coprocessor stack unless you are returning a float or double value (which your function should return in ST(0)).