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[Qemu-devel] ARM CPSR bits, are they maintained?

From: Torbjörn Andersson
Subject: [Qemu-devel] ARM CPSR bits, are they maintained?
Date: Mon, 20 Nov 2006 21:13:37 -0000

Hi all

I´m looking in the translate.c file in the arm part of QEMU and I´m want to understand the strategy for maintaining the cpsr bits, such as Z, N, V and C.

If I remember correctly almost every instruction can change the condition codes and I guess it is quite expensive to maintain them in the JIT. However, for proper functionality there might nog be any shortcuts.


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