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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2009-07-16 14:24:16 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2009-07-16 14:24:16 +0000 |
| commit | 1ada84daaf34ea8e30e5dcb8a7970416606fdd83 (patch) | |
| tree | 77cc58180a5366b8a9dcab79295efb857e9d2423 /lib/Target/SystemZ/SystemZISelLowering.cpp | |
| parent | 5753f47f5bc965ec6a891a768dc7f1a26d655ac8 (diff) | |
Make FP zero to be legal FP immediate via LOAD ZERO
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76034 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/SystemZ/SystemZISelLowering.cpp')
| -rw-r--r-- | lib/Target/SystemZ/SystemZISelLowering.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/SystemZ/SystemZISelLowering.cpp b/lib/Target/SystemZ/SystemZISelLowering.cpp index 01ecf4fae9..4144f970d9 100644 --- a/lib/Target/SystemZ/SystemZISelLowering.cpp +++ b/lib/Target/SystemZ/SystemZISelLowering.cpp @@ -51,6 +51,11 @@ SystemZTargetLowering::SystemZTargetLowering(SystemZTargetMachine &tm) : if (!UseSoftFloat) { addRegisterClass(MVT::f32, SystemZ::FP32RegisterClass); addRegisterClass(MVT::f64, SystemZ::FP64RegisterClass); + + addLegalFPImmediate(APFloat(+0.0)); // lzer + addLegalFPImmediate(APFloat(+0.0f)); // lzdr + addLegalFPImmediate(APFloat(-0.0)); // lzer + lner + addLegalFPImmediate(APFloat(-0.0f)); // lzdr + lndr } // Compute derived properties from the register classes |