diff options
Diffstat (limited to 'lib/Target/X86/X86InstrSSE.td')
| -rw-r--r-- | lib/Target/X86/X86InstrSSE.td | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td index 9dfcbc4836..5540d0ff90 100644 --- a/lib/Target/X86/X86InstrSSE.td +++ b/lib/Target/X86/X86InstrSSE.td @@ -5829,6 +5829,13 @@ def : Pat<(v4i32 (X86Movss VR128:$src1, VR128:$src2)), def : Pat<(v4f32 (X86Movss VR128:$src1, VR128:$src2)), (MOVSSrr (v4f32 VR128:$src1), (EXTRACT_SUBREG (v4f32 VR128:$src2), sub_ss))>; +// FIXME: Instead of a X86Movss there should be a X86Movlps 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<(X86Movss VR128:$src1, + (bc_v4i32 (v2i64 (load addr:$src2)))), + (MOVLPSrm VR128:$src1, addr:$src2)>; // Shuffle with MOVSD def : Pat<(v2f64 (X86Movsd VR128:$src1, (scalar_to_vector FR64:$src2))), @@ -5909,9 +5916,6 @@ def : Pat<(v4i32 (X86Movlps VR128:$src1, (load addr:$src2))), def : Pat<(X86Movlps VR128:$src1, (bc_v4f32 (v2f64 (scalar_to_vector (loadf64 addr:$src2))))), (MOVLPSrm VR128:$src1, addr:$src2)>; -def : Pat<(X86Movlps VR128:$src1, - (bc_v4i32 (v2i64 (load addr:$src2)))), - (MOVLPSrm VR128:$src1, addr:$src2)>; // Shuffle with MOVLPD def : Pat<(v2f64 (X86Movlpd VR128:$src1, (load addr:$src2))), |