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Implement the SVR4 byval alignment for aggregates. Fixing a FIXME.

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llvm-svn: 153876
This commit is contained in:
Roman Divacky 2012-04-02 15:49:30 +00:00
parent af228a1538
commit 2460282f66
1 changed files with 10 additions and 1 deletions
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11
lib/Target/PowerPC/PPCISelLowering.cpp
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@ -446,7 +446,16 @@ unsigned PPCTargetLowering::getByValTypeAlignment(Type *Ty) const {
// Darwin passes everything on 4 byte boundary.
if (TM.getSubtarget<PPCSubtarget>().isDarwin())
return 4;
// FIXME SVR4 TBD
// 16byte and wider vectors are passed on 16byte boundary.
if (VectorType *VTy = dyn_cast<VectorType>(Ty))
if (VTy->getBitWidth() >= 128)
return 16;
// The rest is 8 on PPC64 and 4 on PPC32 boundary.
if (PPCSubTarget.isPPC64())
return 8;
return 4;
}