Re: Intel Assembler on OSX?
Re: Intel Assembler on OSX?
- Subject: Re: Intel Assembler on OSX?
- From: Jonas Maebe <email@hidden>
- Date: Sat, 4 Nov 2006 14:49:18 +0100
On 04 Nov 2006, at 11:51, Uli Kusterer wrote:
What is meant by the STx registers being empty on entry/exit to
function calls. Does that mean they contain zero? Or is there some
status flag to indicate one as unused?
The x86' fpu, the x87, uses a stack-based register file (with 8
slots) rather than a flat register file like pretty much every other
cpu/fpu out there. The statement means that the register stack of the
x87 must be empty on entry/exit.
Jonas
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