slight improvement in locore.s?

[Julian Elischer]

locore.s includes:
#define ALLOCPAGES(foo) \ 
        movl    R(physfree), %esi ; \
        movl    $((foo)*PAGE_SIZE), %eax ; \
        addl    %esi, %eax ; \
        movl    %eax, R(physfree) ; \
        movl    %esi, %edi ; \
        movl    $((foo)*PAGE_SIZE),%ecx ; \
        xorl    %eax,%eax ; \
        cld ; \
        rep ; \
        stosb
        

might it be a very slight optimisation to change this to:
#define ALLOCPAGES(foo) \ 
        movl    R(physfree), %esi ; \
        movl    $((foo)*PAGE_SIZE), %eax ; \
        movl    %eax, %ecx ; \
        addl    %esi, %eax ; \
        movl    %eax, R(physfree) ; \
        movl    %esi, %edi ; \
        xorl    %eax,%eax ; \
        cld ; \
        rep ; \
        stosb
        
??

-- 
      __--_|\  Julian Elischer
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