diff options
Diffstat (limited to 'lib/Target/ARM/ARMSelectionDAGInfo.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMSelectionDAGInfo.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMSelectionDAGInfo.cpp b/lib/Target/ARM/ARMSelectionDAGInfo.cpp index cb5812f6d2..7ce988773c 100644 --- a/lib/Target/ARM/ARMSelectionDAGInfo.cpp +++ b/lib/Target/ARM/ARMSelectionDAGInfo.cpp @@ -53,9 +53,10 @@ ARMSelectionDAGInfo::EmitTargetCodeForMemcpy(SelectionDAG &DAG, SDLoc dl, EVT VT = MVT::i32; unsigned VTSize = 4; unsigned i = 0; - const unsigned MAX_LOADS_IN_LDM = 6; - SDValue TFOps[MAX_LOADS_IN_LDM]; - SDValue Loads[MAX_LOADS_IN_LDM]; + // Emit a maximum of 4 loads in Thumb1 since we have fewer registers + const unsigned MAX_LOADS_IN_LDM = Subtarget->isThumb1Only() ? 4 : 6; + SDValue TFOps[6]; + SDValue Loads[6]; uint64_t SrcOff = 0, DstOff = 0; // Emit up to MAX_LOADS_IN_LDM loads, then a TokenFactor barrier, then the |