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| author | Gabe Black <gblack@eecs.umich.edu> | 2009-04-19 04:56:16 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2009-04-19 04:56:16 -0700 |
| commit | cfb289ebebe18f75e464bc32fe54c535a3c9370a (patch) | |
| tree | 3cf82f953980be0c97911556ccd1da38ff361825 /src/arch | |
| parent | 789b3191b93dc78713c0ae80e592b4d2c43676d8 (diff) | |
| download | gem5-cfb289ebebe18f75e464bc32fe54c535a3c9370a.tar.xz | |
X86: Implement a locking version of SUB.
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/x86/isa/insts/general_purpose/arithmetic/add_and_subtract.py | 32 |
1 files changed, 32 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 10c06efb6..c8a2d1d1c 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 @@ -183,6 +183,23 @@ def macroop SUB_P_I st t1, seg, riprel, disp }; +def macroop SUB_LOCKED_M_I +{ + limm t2, imm + ldstl t1, seg, sib, disp + sub t1, t1, t2, flags=(OF,SF,ZF,AF,PF,CF) + stul t1, seg, sib, disp +}; + +def macroop SUB_LOCKED_P_I +{ + rdip t7 + limm t2, imm + ldstl t1, seg, riprel, disp + sub t1, t1, t2, flags=(OF,SF,ZF,AF,PF,CF) + stul t1, seg, riprel, disp +}; + def macroop SUB_M_R { ldst t1, seg, sib, disp @@ -198,6 +215,21 @@ def macroop SUB_P_R st t1, seg, riprel, disp }; +def macroop SUB_LOCKED_M_R +{ + ldstl t1, seg, sib, disp + sub t1, t1, reg, flags=(OF,SF,ZF,AF,PF,CF) + stul t1, seg, sib, disp +}; + +def macroop SUB_LOCKED_P_R +{ + rdip t7 + ldstl t1, seg, riprel, disp + sub t1, t1, reg, flags=(OF,SF,ZF,AF,PF,CF) + stul t1, seg, riprel, disp +}; + def macroop ADC_R_R { adc reg, reg, regm, flags=(OF,SF,ZF,AF,PF,CF) |