diff options
Diffstat (limited to 'cpu_dsl.py')
| -rwxr-xr-x | cpu_dsl.py | 10 |
1 files changed, 5 insertions, 5 deletions
@@ -241,7 +241,7 @@ class Op: dst = prog.carryFlowDst = name prog.lastA = a prog.lastB = b - prog.lastBFlow = '(-' + b + ')' if op == '-' else b + prog.lastBFlow = b if op == '-' else '(~{b})'.format(b=b) else: dst = params[2] return decl + '\n\t{dst} = {a} {op} {b};'.format( @@ -316,7 +316,7 @@ def _updateFlagsCImpl(prog, params, rawParams): myRes = '({a} ^ {b} ^ {res})'.format(a = prog.lastA, b = prog.lastB, res = lastDst) elif calc == 'overflow': resultBit = prog.paramSize(prog.lastDst) - 1 - myRes = '((~({a} ^ {b})) & ({a} ^ {res}))'.format(a = prog.lastA, b = prog.lastBFlow, res = lastDst) + myRes = '((({a} ^ {b})) & ({a} ^ {res}))'.format(a = prog.lastA, b = prog.lastBFlow, res = lastDst) else: resultBit = int(resultBit) if type(storage) is tuple: @@ -440,8 +440,8 @@ def _adcCImpl(prog, params, rawParams, flagUpdates): decl,name = prog.getTemp(size) dst = prog.carryFlowDst = name prog.lastA = params[0] - prog.lastB = '({b} ^ ({check} ? 1 : 0))'.format(b = params[1], check = carryCheck) - prog.lastBFlow = prog.lastB + prog.lastB = '({b} + ({check} ? 1 : 0))'.format(b = params[1], check = carryCheck) + prog.lastBFlow = '(~{b})'.format(b=params[1]) else: dst = params[2] return decl + '\n\t{dst} = {a} + {b} + ({check} ? 1 : 0);'.format(dst = dst, @@ -469,7 +469,7 @@ def _sbcCImpl(prog, params, rawParams, flagUpdates): dst = prog.carryFlowDst = name prog.lastA = params[1] prog.lastB = '({b} ^ ({check} ? 1 : 0))'.format(b = params[0], check = carryCheck) - prog.lastBFlow = '((-{b}) ^ ({check} ? -1 : 0))'.format(b = params[0], check = carryCheck) + prog.lastBFlow = params[0] else: dst = params[2] return decl + '\n\t{dst} = {b} - {a} - ({check} ? 1 : 0);'.format(dst = dst, |