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Fix x86 XCHG macro-op to use locked micro-ops for all memory accesses

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Tushar Krishna 2010-07-21 09:55:57 -07:00
parent 262b2e2b94
commit 11bb678a80
1 changed files with 8 additions and 8 deletions
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16
src/arch/x86/isa/insts/general_purpose/data_transfer/xchg.py
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@ -50,31 +50,31 @@ def macroop XCHG_R_R
def macroop XCHG_R_M
{
ldst t1, seg, sib, disp
st reg, seg, sib, disp
ldstl t1, seg, sib, disp
stul reg, seg, sib, disp
mov reg, reg, t1
};
def macroop XCHG_R_P
{
rdip t7
ldst t1, seg, riprel, disp
st reg, seg, riprel, disp
ldstl t1, seg, riprel, disp
stul reg, seg, riprel, disp
mov reg, reg, t1
};
def macroop XCHG_M_R
{
ldst t1, seg, sib, disp
st reg, seg, sib, disp
ldstl t1, seg, sib, disp
stul reg, seg, sib, disp
mov reg, reg, t1
};
def macroop XCHG_P_R
{
rdip t7
ldst t1, seg, riprel, disp
st reg, seg, riprel, disp
ldstl t1, seg, riprel, disp
stul reg, seg, riprel, disp
mov reg, reg, t1
};