From 190d0a54c18e0f8198b5b802818f7194b91262b4 Mon Sep 17 00:00:00 2001 From: Bruno Cardoso Lopes Date: Fri, 3 Sep 2010 20:44:26 +0000 Subject: [PATCH] Reapply last harmless part of r112934, the pattern fragment to match X86Unpcklpd git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113009 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/X86/X86InstrSSE.td | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td index d9c119c4365..07cc0a7903f 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))), -- 2.34.1