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| author | Gabe Black <gblack@eecs.umich.edu> | 2009-04-19 04:56:28 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2009-04-19 04:56:28 -0700 |
| commit | 2394f73f908c86488341625963a792382baeff78 (patch) | |
| tree | f4e9ab1b47362cdd7498e074d691f2e207861b2d /src/arch/x86/isa | |
| parent | 9b9b7a412c5c768dc484608c97a9363cf6689fca (diff) | |
| download | gem5-2394f73f908c86488341625963a792382baeff78.tar.xz | |
X86: Implement a locking version of NEG.
Diffstat (limited to 'src/arch/x86/isa')
| -rw-r--r-- | src/arch/x86/isa/insts/general_purpose/arithmetic/add_and_subtract.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/arch/x86/isa/insts/general_purpose/arithmetic/add_and_subtract.py b/src/arch/x86/isa/insts/general_purpose/arithmetic/add_and_subtract.py index c8a2d1d1c..fbef20dc1 100644 --- a/src/arch/x86/isa/insts/general_purpose/arithmetic/add_and_subtract.py +++ b/src/arch/x86/isa/insts/general_purpose/arithmetic/add_and_subtract.py @@ -425,4 +425,19 @@ def macroop NEG_P sub t1, t0, t1, flags=(CF,OF,SF,ZF,AF,PF) st t1, seg, riprel, disp }; + +def macroop NEG_LOCKED_M +{ + ldstl t1, seg, sib, disp + sub t1, t0, t1, flags=(CF,OF,SF,ZF,AF,PF) + stul t1, seg, sib, disp +}; + +def macroop NEG_LOCKED_P +{ + rdip t7 + ldstl t1, seg, riprel, disp + sub t1, t0, t1, flags=(CF,OF,SF,ZF,AF,PF) + stul t1, seg, riprel, disp +}; ''' |