Emit SPARC machine code a word at a time instead of a byte at a time.

Use emitWordAt() to emit forward-branch fixups.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13119 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 1 deletions

diff --git a/lib/Target/SparcV9/SparcV9CodeEmitter.cpp b/lib/Target/SparcV9/SparcV9CodeEmitter.cpp
index 8f8946e0c2..a0d9a6a28c 100644
--- a/lib/Target/SparcV9/SparcV9CodeEmitter.cpp
+++ b/lib/Target/SparcV9/SparcV9CodeEmitter.cpp
@@ -468,12 +468,16 @@ SparcV9CodeEmitter::~SparcV9CodeEmitter() {
 }
 
 void SparcV9CodeEmitter::emitWord(unsigned Val) {
+#if 0 // I think this was used when the Sparc JIT was being tested on X86:
   // Output the constant in big endian byte order...
   unsigned byteVal;
   for (int i = 3; i >= 0; --i) {
     byteVal = Val >> 8*i;
     MCE.emitByte(byteVal & 255);
   }
+#else
+  MCE.emitWord(Val);
+#endif
 }
 
 unsigned 
@@ -763,7 +767,7 @@ bool SparcV9CodeEmitter::runOnMachineFunction(MachineFunction &MF) {
         else if (hiBits64) { MI->setOperandHi64(ii); }
         DEBUG(std::cerr << "Rewrote BB ref: ");
         unsigned fixedInstr = SparcV9CodeEmitter::getBinaryCodeForInstr(*MI);
-        *Ref = fixedInstr;
+        MCE.emitWordAt (fixedInstr, Ref);
         break;
       }
     }