Fix mismatched adjust down/up of SP in functions that contain variable

sized allocas.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15806 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nate Begeman 2004-08-16 01:50:22 +00:00
parent 2669311320
commit 865075ed35

View File

@ -1439,9 +1439,9 @@ void ISel::doCall(const ValueRecord &Ret, MachineInstr *CallMI,
default: assert(0 && "Unknown class!");
}
// Just to be safe, we'll always reserve the full 32 bytes worth of
// argument passing space in case any called code gets funky on us.
if (NumBytes < 24 + 32) NumBytes = 24 + 32;
// Just to be safe, we'll always reserve the full 24 bytes of linkage area
// plus 32 bytes of argument space in case any called code gets funky on us.
if (NumBytes < 56) NumBytes = 56;
// Adjust the stack pointer for the new arguments...
// These functions are automatically eliminated by the prolog/epilog pass
@ -1586,7 +1586,7 @@ void ISel::doCall(const ValueRecord &Ret, MachineInstr *CallMI,
GPR_idx++;
}
} else {
BuildMI(BB, PPC::ADJCALLSTACKDOWN, 1).addImm(0);
BuildMI(BB, PPC::ADJCALLSTACKDOWN, 1).addImm(NumBytes);
}
BuildMI(BB, PPC::IMPLICIT_DEF, 0, PPC::LR);