diff options
| -rw-r--r-- | lib/Target/PowerPC/PPCISelLowering.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp index 96b7074..746fc23 100644 --- a/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/lib/Target/PowerPC/PPCISelLowering.cpp @@ -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; } |