diff options
Diffstat (limited to 'src/arch/x86/isa/insts/arithmetic/increment_and_decrement.py')
| -rw-r--r-- | src/arch/x86/isa/insts/arithmetic/increment_and_decrement.py | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/src/arch/x86/isa/insts/arithmetic/increment_and_decrement.py b/src/arch/x86/isa/insts/arithmetic/increment_and_decrement.py index c504d47ce..eed39c10c 100644 --- a/src/arch/x86/isa/insts/arithmetic/increment_and_decrement.py +++ b/src/arch/x86/isa/insts/arithmetic/increment_and_decrement.py @@ -53,7 +53,47 @@ # # Authors: Gabe Black -microcode = "" +microcode = ''' +def macroop INC_R +{ + addi reg, reg, 1, flags=(OF, SF, ZF, AF, PF) +}; + +def macroop INC_M +{ + ld t1, ds, [scale, index, base], disp + addi t1, t1, 1, flags=(OF, SF, ZF, AF, PF) + st t1, ds, [scale, index, base], disp +}; + +def macroop INC_P +{ + rdip t7 + ld t1, ds, [0, t0, t7], disp + addi reg, reg, 1, flags=(OF, SF, ZF, AF, PF) + st t1, ds, [0, t0, t7], disp +}; + +def macroop DEC_R +{ + subi reg, reg, 1, flags=(OF, SF, ZF, AF, PF) +}; + +def macroop DEC_M +{ + ld t1, ds, [scale, index, base], disp + subi t1, t1, 1, flags=(OF, SF, ZF, AF, PF) + st t1, ds, [scale, index, base], disp +}; + +def macroop DEC_P +{ + rdip t7 + ld t1, ds, [0, t0, t7], disp + subi reg, reg, 1, flags=(OF, SF, ZF, AF, PF) + st t1, ds, [0, t0, t7], disp +}; +''' #let {{ # class DEC(Inst): # "GenFault ${new UnimpInstFault}" |