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X86: Implement a locking version of INC.

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This commit is contained in:
Gabe Black 2009-04-19 04:56:31 -07:00
parent 2394f73f90
commit 4f2d4f466a
1 changed files with 15 additions and 0 deletions
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15
src/arch/x86/isa/insts/general_purpose/arithmetic/increment_and_decrement.py
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@ -74,6 +74,21 @@ def macroop INC_P
st t1, seg, riprel, disp
};
def macroop INC_LOCKED_M
{
ldstl t1, seg, sib, disp
addi t1, t1, 1, flags=(OF, SF, ZF, AF, PF)
stul t1, seg, sib, disp
};
def macroop INC_LOCKED_P
{
rdip t7
ldstl t1, seg, riprel, disp
addi t1, t1, 1, flags=(OF, SF, ZF, AF, PF)
stul t1, seg, riprel, disp
};
def macroop DEC_R
{
subi reg, reg, 1, flags=(OF, SF, ZF, AF, PF)