CellSPU:

- Ensure that (operation) legalization emits proper FDIV libcall when needed.
- Fix various bugs encountered during llvm-spu-gcc build, along with various
  cleanups.
- Start supporting double precision comparisons for remaining libgcc2 build.
  Discovered interesting DAGCombiner feature, which is currently solved via
  custom lowering (64-bit constants are not legal on CellSPU, but DAGCombiner
  insists on inserting one anyway.)
- Update README.

llvm-svn: 62664

1 files changed, 4 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 258d807f701..608dde21444 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -3294,6 +3294,10 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
         LC = GetFPLibCall(VT, RTLIB::POW_F32, RTLIB::POW_F64, RTLIB::POW_F80,
                           RTLIB::POW_PPCF128);
         break;
+      case ISD::FDIV:
+        LC = GetFPLibCall(VT, RTLIB::DIV_F32, RTLIB::DIV_F64, RTLIB::DIV_F80,
+                          RTLIB::DIV_PPCF128);
+        break;
       default: break;
       }
       if (LC != RTLIB::UNKNOWN_LIBCALL) {