diff options
| -rw-r--r-- | lib/Target/X86/X86InstrSSE.td | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td index d9c119c436..07cc0a7903 100644 --- a/lib/Target/X86/X86InstrSSE.td +++ b/lib/Target/X86/X86InstrSSE.td @@ -5819,6 +5819,13 @@ def : Pat<(v2i64 (X86Movlhps VR128:$src1, VR128:$src2)), def : Pat<(v2f64 (X86Movlhpd VR128:$src1, (scalar_to_vector (loadf64 addr:$src2)))), (MOVHPDrm VR128:$src1, addr:$src2)>; +// FIXME: Instead of X86Unpcklpd, there should be a X86Movlhpd here, the problem +// is during lowering, where it's not possible to recognize the load fold cause +// it has two uses through a bitcast. One use disappears at isel time and the +// fold opportunity reappears. +def : Pat<(v2f64 (X86Unpcklpd VR128:$src1, + (scalar_to_vector (loadf64 addr:$src2)))), + (MOVHPDrm VR128:$src1, addr:$src2)>; // Shuffle with MOVSS def : Pat<(v4f32 (X86Movss VR128:$src1, (scalar_to_vector FR32:$src2))), |