64-bit vector shuffle.

llvm-svn: 26964

llvm-svn: 26959

llvm-svn: 26957

- Don't forget pshufd is only available with sse2.

llvm-svn: 26956

  splat and PSHUFD cases.
- Clean up shuffle / splat matching code.

llvm-svn: 26954

  PSHUFD. We can make permutes entries which point to the undef pointing
  anything we want.
- Change some names to appease Chris.

llvm-svn: 26951

llvm-svn: 26949

llvm-svn: 26941

llvm-svn: 26940

llvm-svn: 26939

llvm-svn: 26933

- Each scalar to vector v8i16 and v16i8 is a any_extend followed by a movd.

llvm-svn: 26932

llvm-svn: 26930

llvm-svn: 26921

llvm-svn: 26920

- Handle FR32 to VR128:v4f32 and FR64 to VR128:v2f64 with aliases of MOVAPS
and MOVAPD. Mark them as move instructions and *hope* they will be deleted.

llvm-svn: 26919

llvm-svn: 26911

llvm-svn: 26910

llvm-svn: 26895

llvm-svn: 26893

llvm-svn: 26877

llvm-svn: 26870

llvm-svn: 26861

llvm-svn: 26860

llvm-svn: 26848

V8I16, etc.

llvm-svn: 26838

llvm-svn: 26833

llvm-svn: 26831

llvm-svn: 26824

llvm-svn: 26818

llvm-svn: 26817

ADD32ri8.

llvm-svn: 26816

- Nuke a bogus comment.

llvm-svn: 26815

Make the PPC backend not dependent on BRTWOWAY_CC and make the branch
selector smarter about the code it generates, fixing a case in the
readme.

llvm-svn: 26814

llvm-svn: 26810

llvm-svn: 26804

scale component of the target addressing mode.

llvm-svn: 26802

llvm-svn: 26742

llvm-svn: 26740

llvm-svn: 26665