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sret calling convention fix

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This commit is contained in:
Brian Fiete 2020-11-19 13:09:58 -08:00
parent ee4aa8a592
commit 84a0cf329f
1 changed files with 15 additions and 2 deletions
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17
IDEHelper/Backend/BeMCContext.cpp
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@ -15742,7 +15742,7 @@ void BeMCContext::Generate(BeFunction* function)
mDbgPreferredRegs[32] = X64Reg_R8;*/ mDbgPreferredRegs[32] = X64Reg_R8;*/
//mDbgPreferredRegs[8] = X64Reg_RAX; //mDbgPreferredRegs[8] = X64Reg_RAX;
//mDebugging = (function->mName == "?__BfCtor@SpriteBatchRenderer@Repo@bf@@QEAAXTint@@@Z"); //mDebugging = (function->mName == "DoCallback");
// || (function->mName == "?MethodA@TestProgram@BeefTest@bf@@CAXXZ"); // || (function->mName == "?MethodA@TestProgram@BeefTest@bf@@CAXXZ");
// || (function->mName == "?Hey@Blurg@bf@@SAXXZ") // || (function->mName == "?Hey@Blurg@bf@@SAXXZ")
// ; // ;
@ -16903,7 +16903,7 @@ void BeMCContext::Generate(BeFunction* function)
BF_ASSERT(retVal.IsVReg()); BF_ASSERT(retVal.IsVReg());
auto vregInfo = GetVRegInfo(retVal); auto vregInfo = GetVRegInfo(retVal);
vregInfo->SetRetVal(); vregInfo->SetRetVal();
} }
else if (retType->IsVector()) else if (retType->IsVector())
{ {
@ -16930,6 +16930,19 @@ void BeMCContext::Generate(BeFunction* function)
} }
} }
if (mBeFunction->HasStructRet())
{
for (int vregIdx = 0; vregIdx < (int)mVRegInfo.size(); vregIdx++)
{
auto vregInfo = mVRegInfo[vregIdx];
if (vregInfo->mIsRetVal)
{
AllocInst(BeMCInstKind_Mov, BeMCOperand::FromReg(X64Reg_RAX), BeMCOperand::FromVReg(vregIdx));
break;
}
}
}
auto mcInst = AllocInst(); auto mcInst = AllocInst();
mcInst->mKind = BeMCInstKind_Ret; mcInst->mKind = BeMCInstKind_Ret;
retCount++; retCount++;