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

sized allocas.

llvm-svn: 15806
This commit is contained in:
Nate Begeman 2004-08-16 01:50:22 +00:00
parent 8af61ddb96
commit 8b44a07246
1 changed files with 4 additions and 4 deletions
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8
llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp
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@ -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);