[LLVMdev] Missuse of xmm register on X86-64

[Aran Clauson]

All,
        I've been working on a new scheduler and have 
somehow affected register selection.  My problem is that an 
xmm register is being used as an index expression.  
Specifically,

addss   (%xmm1,%rax,4), %xmm0

I like the idea of a floating-point index, but, like the 
assembler, I don't know what that means.  Any suggestions 
on where I should look for a solution to my problem?

Aran
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