# Copyright (c) 2007 The Hewlett-Packard Development Company
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#
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# Authors: Gabe Black

microcode = '''
def macroop CMPXCHG_R_R {
    sub t0, rax, reg, flags=(OF, SF, ZF, AF, PF, CF)
    mov reg, reg, regm, flags=(CZF,)
    mov rax, rax, reg, flags=(nCZF,)
};

def macroop CMPXCHG_M_R {
    ldst t1, seg, sib, disp
    sub t0, rax, t1, flags=(OF, SF, ZF, AF, PF, CF)

    mov t1, t1, reg, flags=(CZF,)
    st t1, seg, sib, disp
    mov rax, rax, t1, flags=(nCZF,)
};

def macroop CMPXCHG_P_R {
    rdip t7
    ldst t1, seg, riprel, disp
    sub t0, rax, t1, flags=(OF, SF, ZF, AF, PF, CF)

    mov t1, t1, reg, flags=(CZF,)
    st t1, seg, riprel, disp
    mov rax, rax, t1, flags=(nCZF,)
};
'''
#let {{
#    class XADD(Inst):
# 	"GenFault ${new UnimpInstFault}"
#    class XCHG(Inst):
# 	"GenFault ${new UnimpInstFault}"
#}};