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| author | Gabe Black <gblack@eecs.umich.edu> | 2009-04-19 04:56:22 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2009-04-19 04:56:22 -0700 |
| commit | b8f81c62a29b59d8de18476726cf2b7ac7cea1f5 (patch) | |
| tree | dd6d2eaca9d397d20d77bcb6b454ef1e210655df /src/arch/x86 | |
| parent | 750f5a0a67ccbce9b11c8ad308863be87ce89fbc (diff) | |
| download | gem5-b8f81c62a29b59d8de18476726cf2b7ac7cea1f5.tar.xz | |
X86: Implement a locking version of XCHG.
Diffstat (limited to 'src/arch/x86')
| -rw-r--r-- | src/arch/x86/isa/insts/general_purpose/data_transfer/xchg.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/arch/x86/isa/insts/general_purpose/data_transfer/xchg.py b/src/arch/x86/isa/insts/general_purpose/data_transfer/xchg.py index 3f243f5d8..521be95e5 100644 --- a/src/arch/x86/isa/insts/general_purpose/data_transfer/xchg.py +++ b/src/arch/x86/isa/insts/general_purpose/data_transfer/xchg.py @@ -95,4 +95,19 @@ def macroop XCHG_P_R st reg, seg, riprel, disp mov reg, reg, t1 }; + +def macroop XCHG_LOCKED_M_R +{ + ldstl t1, seg, sib, disp + stul reg, seg, sib, disp + mov reg, reg, t1 +}; + +def macroop XCHG_LOCKED_P_R +{ + rdip t7 + ldstl t1, seg, riprel, disp + stul reg, seg, riprel, disp + mov reg, reg, t1 +}; ''' |