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Fixed i8 mul issue with no mResult

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This commit is contained in:
Brian Fiete 2020-05-25 05:37:40 -07:00
parent 92ccadce1e
commit aea367b95e
1 changed files with 5 additions and 7 deletions
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12
IDEHelper/Backend/BeMCContext.cpp
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@ -9335,13 +9335,11 @@ bool BeMCContext::DoLegalization()
break;
case BeMCInstKind_Mul:
case BeMCInstKind_IMul:
{
{
if (arg0Type->mSize == 1)
{
if ((!arg0.IsNativeReg()) || (arg0.mReg != X64Reg_AL) || (inst->mResult))
{
BF_ASSERT(inst->mResult);
{
auto srcVRegInfo = GetVRegInfo(inst->mArg0);
// Int8 multiplies can only be done on AL
AllocInst(BeMCInstKind_PreserveVolatiles, BeMCOperand::FromReg(X64Reg_RAX), instIdx++);
@ -9354,8 +9352,8 @@ bool BeMCContext::DoLegalization()
vregInfo1->mDisableRAX = true;
AllocInst(BeMCInstKind_Mov, BeMCOperand::FromReg(X64Reg_AH), inst->mArg1, instIdx++);
AllocInst(BeMCInstKind_Mov, BeMCOperand::FromReg(X64Reg_AL), inst->mArg0, instIdx++);
AllocInst(BeMCInstKind_Mov, inst->mResult, BeMCOperand::FromReg(X64Reg_AL), instIdx++ + 1);
AllocInst(BeMCInstKind_Mov, BeMCOperand::FromReg(X64Reg_AL), inst->mArg0, instIdx++);
AllocInst(BeMCInstKind_Mov, inst->mResult ? inst->mResult : inst->mArg0, BeMCOperand::FromReg(X64Reg_AL), instIdx++ + 1);
inst->mArg0 = BeMCOperand::FromReg(X64Reg_AL);
inst->mArg1 = BeMCOperand::FromReg(X64Reg_AH);
inst->mResult = BeMCOperand();
@ -14769,7 +14767,7 @@ void BeMCContext::Generate(BeFunction* function)
mDbgPreferredRegs[32] = X64Reg_R8;*/
//mDbgPreferredRegs[8] = X64Reg_RAX;
//mDebugging = function->mName == "?DrawBox@Graphics@gfx@Beefy@bf@@QEAAXPEAVImage@234@MMMM@Z";
//mDebugging = function->mName == "?BytesToPixels@Sprite@Strawberry@bf@@AEAAXPEAV?$Array1@E@System@3@PEAV?$Array1@UColor@Strawberry@bf@@@53@W4Modes@123@1@Z";
//"?ColorizeCodeString@IDEUtils@IDE@bf@@SAXPEAVString@System@3@W4CodeKind@123@@Z";
//"?Main@Program@bf@@CAHPEAV?$Array1@PEAVString@System@bf@@@System@2@@Z";