Commit Graph

8 Commits

Author SHA1 Message Date
Elena Demikhovsky cd3c1c4a16 Simplified BLEND pattern matching for shuffles.
Generate VPBLENDD for AVX2 and VPBLENDW for v16i16 type on AVX2.

llvm-svn: 169366
2012-12-05 09:24:57 +00:00
Benjamin Kramer 8554206652 Fix broken check lines.
llvm-svn: 164317
2012-09-20 19:54:13 +00:00
Elena Demikhovsky 264fb0217e The VPSHUFB 256-bit instruction may be generated when one of input vector is undefined or zeroinitializer.
I've added the "zeroinitializer" case in this patch.

llvm-svn: 163506
2012-09-10 12:13:11 +00:00
Elena Demikhovsky 42777877c2 AVX2 optimization.
Added generation of VPSHUB instruction for <32 x i8> vector shuffle when possible.

llvm-svn: 163312
2012-09-06 12:42:01 +00:00
Craig Topper 315a5cc789 Fix 256-bit vpshuflw and vpshufhw immediate encoding to handle undefs in the lower half correctly. Missed in r155982.
llvm-svn: 156059
2012-05-03 07:12:59 +00:00
Craig Topper c73bc39c22 Add support for selecting AVX2 vpshuflw and vpshufhw. Add decoding support for AsmPrinter.
llvm-svn: 155982
2012-05-02 08:03:44 +00:00
Nadav Rotem d50c3b2c57 Fix the testcase. We do expect two vblendw on XMMs.
llvm-svn: 155477
2012-04-24 19:57:38 +00:00
Nadav Rotem edef71790b Add a testcase for 155440
llvm-svn: 155475
2012-04-24 19:45:28 +00:00