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: 26940

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

llvm-svn: 26932

llvm-svn: 26742

  and ExternalSymbol.
- Use C++ code (rather than tblgen'd selection code) to match the above
  mentioned leaf nodes. Do not mutate and nodes and do not record the
  selection in CodeGenMap. These nodes should be safe to duplicate. This is
  a performance win.

llvm-svn: 26335

1. Various asm printer bug.
2. Lowering bug. Now TargetGlobalAddress is wrapped in X86ISD::TGAWrapper.

llvm-svn: 26324

llvm-svn: 26308

llvm-svn: 26305

llvm-svn: 26273

and SUBE nodes that actually expose what's going on and allow for
significant simplifications in the targets.

llvm-svn: 26255

and ComputeMaskedBits to match the new improved versions in instcombine.
Tested against all of multisource/benchmarks on ppc.

llvm-svn: 26238

flag so it can be flagged to a FST.

llvm-svn: 25953

- Use XORP* to implement fneg.

llvm-svn: 25857

* Rename hasSSE -> hasSSE1 to avoid my continual confusion with 'has any SSE'.
* Add inline asm constraint specification.

llvm-svn: 25854

llvm-svn: 25831

conversions. SSE does not have instructions to handle these tasks.

llvm-svn: 25817

Move MaskedValueIsZero from the DAGCombiner to the TargetLowering interface,making isMaskedValueZeroForTargetNode simpler, and useable from other partsof the compiler.

llvm-svn: 25803

llvm-svn: 25798

the same functionality.  This addresses another piece of bug 680.  Next,
on to fixing Alpha VAARG, which I broke last time.

llvm-svn: 25696

llvm-svn: 25679

Remove TLI.LowerVA* and replace it with SDNodes that are lowered the same
way as everything else.

llvm-svn: 25606

llvm-svn: 25257

llvm-svn: 25226

llvm-svn: 25190

llvm-svn: 25158

* FP cmp, setcc, etc.

llvm-svn: 25117

llvm-svn: 25103

llvm-svn: 24990

* Teach DAG combiner about X86ISD::SETCC by adding a TargetLowering hook.

llvm-svn: 24921

bytes to pop off stack.
* Added support for X86 SETCC.

llvm-svn: 24917

  for Darwin.
* Added lowering hook for ISD::RET. It inserts CopyToRegs for the return
  value (or store / fld / copy to ST(0) for floating point value). This
  eliminate the need to write C++ code to handle RET with variable number
  of operands.

llvm-svn: 24888

llvm-svn: 24877

llvm-svn: 24870

llvm-svn: 24754

llvm-svn: 24430

contributed by Evan Cheng.

llvm-svn: 24358