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Fix PR8211

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llvm-svn: 118445
This commit is contained in:
Bruno Cardoso Lopes 2010-11-08 21:24:59 +00:00
parent 13728c298a
commit 9f9f796756
1 changed files with 6 additions and 0 deletions
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6
lib/Target/X86/X86InstrSSE.td
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@ -5775,6 +5775,12 @@ 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)>;
// FIXME: Instead of a X86Movlps there should be a X86Movsd 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<(v4f32 (X86Movlps VR128:$src1, VR128:$src2)),
(MOVSDrr VR128:$src1, (EXTRACT_SUBREG (v4f32 VR128:$src2), sub_sd))>;
// Shuffle with MOVLPD
def : Pat<(v2f64 (X86Movlpd VR128:$src1, (load addr:$src2))),