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Add a missing pattern for movhps so that we get: 

movq	(%ecx,%edx,2), %xmm2
movhps	(%ecx,%eax,2), %xmm2

rather than:

movq     (%eax, %edx, 2), %xmm2		
movq     (%eax, %ebx, 2), %xmm3		
movlhps  %xmm3, %xmm2			

Testcase forthcoming.

llvm-svn: 95948
This commit is contained in:
Nate Begeman 2010-02-12 01:10:45 +00:00
parent 1572e760bc
commit c780af6471
1 changed files with 3 additions and 0 deletions
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3
llvm/lib/Target/X86/X86InstrSSE.td
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@ -762,6 +762,9 @@ let Constraints = "$src1 = $dst" in {
} // Constraints = "$src1 = $dst"
def : Pat<(movlhps VR128:$src1, (bc_v4i32 (v2i64 (X86vzload addr:$src2)))),
(MOVHPSrm VR128:$src1, addr:$src2)>;
def MOVLPSmr : PSI<0x13, MRMDestMem, (outs), (ins f64mem:$dst, VR128:$src),
"movlps\t{$src, $dst|$dst, $src}",
[(store (f64 (vector_extract (bc_v2f64 (v4f32 VR128:$src)),