diff options
Diffstat (limited to 'llvm/lib/Target/AArch64/AArch64MachineLegalizer.cpp')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64MachineLegalizer.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64MachineLegalizer.cpp b/llvm/lib/Target/AArch64/AArch64MachineLegalizer.cpp index 4f921e8d8ef..46261bca67c 100644 --- a/llvm/lib/Target/AArch64/AArch64MachineLegalizer.cpp +++ b/llvm/lib/Target/AArch64/AArch64MachineLegalizer.cpp @@ -181,14 +181,21 @@ AArch64MachineLegalizer::AArch64MachineLegalizer() { setAction({G_BITCAST, 1, Ty}, Legal); } + // For the sake of copying bits around, the type does not really + // matter as long as it fits a register. for (int EltSize = 8; EltSize <= 64; EltSize *= 2) { setAction({G_BITCAST, 0, LLT::vector(128/EltSize, EltSize)}, Legal); setAction({G_BITCAST, 1, LLT::vector(128/EltSize, EltSize)}, Legal); - if (EltSize == 64) + if (EltSize >= 64) continue; setAction({G_BITCAST, 0, LLT::vector(64/EltSize, EltSize)}, Legal); setAction({G_BITCAST, 1, LLT::vector(64/EltSize, EltSize)}, Legal); + if (EltSize >= 32) + continue; + + setAction({G_BITCAST, 0, LLT::vector(32/EltSize, EltSize)}, Legal); + setAction({G_BITCAST, 1, LLT::vector(32/EltSize, EltSize)}, Legal); } computeTables(); |
