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4 Commits

Author SHA1 Message Date
Bruno Cardoso Lopes e8501a468c Add one more pattern to fallback movddup 
llvm-svn: 113522
 2010-09-09 18:48:34 +00:00
Bruno Cardoso Lopes fea81b4831 Using target specific nodes for shuffle nodes makes the mask 
check more strict, breaking some cases not checked in the
testsuite, but also exposes some foldings not done before,
as this example:

  movaps  (%rdi), %xmm0
  movaps  (%rax), %xmm1
  movaps  %xmm0, %xmm2
  movss %xmm1, %xmm2
  shufps  $36, %xmm2, %xmm0

now is generated as:

  movaps  (%rdi), %xmm0
  movaps  %xmm0, %xmm1
  movlps  (%rax), %xmm1
  shufps  $36, %xmm1, %xmm0

llvm-svn: 112753
 2010-09-01 22:33:20 +00:00
Chris Lattner d3954e2790 merge a bunch more sse3 tests into sse3.ll 
llvm-svn: 79115
 2009-08-15 17:21:44 +00:00
Mon P Wang 25c6a46a81 For yonah, fix a vector shuffle case for v16i8 where we didn't properly clear some bits. 
llvm-svn: 66684
 2009-03-11 18:47:57 +00:00