See description of the change in the ia32 changelist at http://codereview.chromium.org/246075.

Minor changes to the ia32 version using variables for the registers to pass parameters in (edx and eax) to make the parameter set up code easier to read.
Review URL: http://codereview.chromium.org/335005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3136 ce2b1a6d-e550-0410-aec6-3dcde31c8c00