diff options
Diffstat (limited to 'src/arch/x86/isa/insts/arithmetic/add_and_subtract.py')
| -rw-r--r-- | src/arch/x86/isa/insts/arithmetic/add_and_subtract.py | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/arch/x86/isa/insts/arithmetic/add_and_subtract.py b/src/arch/x86/isa/insts/arithmetic/add_and_subtract.py index 283152f30..349c2bb46 100644 --- a/src/arch/x86/isa/insts/arithmetic/add_and_subtract.py +++ b/src/arch/x86/isa/insts/arithmetic/add_and_subtract.py @@ -53,7 +53,19 @@ # # Authors: Gabe Black -microcode = "" +microcode = ''' +def macroop SUB_R_I +{ + subi "env.reg", "env.reg", "IMMEDIATE" +}; + +def macroop SUB_M_I +{ + #Load into t1 + subi "NUM_INTREGS+1", "NUM_INTREGS+1", "IMMEDIATE" + #save from t1 +}; +''' #let {{ # class ADC(Inst): # "Adc ^0 ^0 ^1" |