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[Xen-devel] Definition of eax and rax

  • To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>
  • From: "Li, Xin B" <xin.b.li@xxxxxxxxx>
  • Date: Wed, 13 Dec 2006 20:12:36 +0800
  • Cc: Xen Development Mailing List <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Wed, 13 Dec 2006 04:12:39 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: Accer/ms2OKzy1XYQWG36/j6Txq+Wg==
  • Thread-topic: Definition of eax and rax

Keir, just noticed the macro:
#define __DECL_REG(name) union { uint64_t r ## name, e ## name; }
So, rax and eax are both 64bit, but I think we'd better define eax to
32bit, how do you think?

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