[PATCH] Add VSX loads/stores to fastisel for PPC target

[Bill Seurer]

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Comment at: /home/seurer/llvm/llvm-oneoff/lib/Target/PowerPC/PPCFastISel.cpp:143
@@ +142,3 @@
+    bool isVSXRegister(unsigned Register) const {
+		   return ((Register != 0) && 
+             (MRI.getRegClass(Register)->getID() == PPC::VSFRCRegClassID));
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echristo wrote:
> I'd prefer to pull the Register != 0 out of this so that we can keep the general pattern of checking it. Thoughts?
If the register is 0 then the call to getRegClass will fail in an assertion.  Or rather, another function it calls will fail.

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Comment at: /home/seurer/llvm/llvm-oneoff/lib/Target/PowerPC/PPCFastISel.cpp:145
@@ -142,1 +144,3 @@
+             (MRI.getRegClass(Register)->getID() == PPC::VSFRCRegClassID));
+    }
     bool PPCEmitCmp(const Value *Src1Value, const Value *Src2Value,
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wschmidt wrote:
> I'd like to see this named isVSFRCRegister or the like.  The VSFRC class comprises only the most-significant-half of each of the VSX registers (the VSRs), so I feel the name is misleading.
OK, done.

http://reviews.llvm.org/D6274