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 | 26 |
1 files changed, 25 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..de66f70f3 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 +53,31 @@ # # Authors: Gabe Black -microcode = "" +microcode = ''' +def macroop SUB_R_I +{ + subi "env.reg", "env.reg", "IMMEDIATE" +}; + +def macroop SUB_M_I +{ + ld "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \ + "DISPLACEMENT" + subi "NUM_INTREGS+1", "NUM_INTREGS+1", "IMMEDIATE" + st "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \ + "DISPLACEMENT" +}; + +def macroop SUB_P_I +{ + rdip "NUM_INTREGS+7" + ld "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \ + "DISPLACEMENT" + subi "NUM_INTREGS+1", "NUM_INTREGS+1", "IMMEDIATE" + st "NUM_INTREGS+1", 3, ["env.scale", "env.index", "env.base"], \ + "DISPLACEMENT" +}; +''' #let {{ # class ADC(Inst): # "Adc ^0 ^0 ^1" |