[llvm-commits] [llvm] r69394 - /llvm/trunk/lib/Target/X86/X86InstrInfo.cpp

Bill Wendling isanbard at gmail.com
Fri Apr 17 15:40:38 PDT 2009


Author: void
Date: Fri Apr 17 17:40:38 2009
New Revision: 69394

URL: http://llvm.org/viewvc/llvm-project?rev=69394&view=rev
Log:
Recommit r69335 and r69336. These were not causing problems.

Modified:
    llvm/trunk/lib/Target/X86/X86InstrInfo.cpp

Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.cpp?rev=69394&r1=69393&r2=69394&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.cpp Fri Apr 17 17:40:38 2009
@@ -667,6 +667,7 @@
   default:
     return false;
   case X86::MOV8rr:
+  case X86::MOV8rr_NOREX:
   case X86::MOV16rr:
   case X86::MOV32rr: 
   case X86::MOV64rr:
@@ -1664,9 +1665,10 @@
     } else if (DestRC == &X86::GR16RegClass) {
       Opc = X86::MOV16rr;
     } else if (DestRC == &X86::GR8RegClass) {
-      // Copying two or from a physical H register requires a NOREX move.
-      // Otherwise use a normal move.
-      if (isHReg(DestReg) || isHReg(SrcReg))
+      // Copying two or from a physical H register on x86-64 requires a NOREX
+      // move.  Otherwise use a normal move.
+      if ((isHReg(DestReg) || isHReg(SrcReg)) &&
+          TM.getSubtarget<X86Subtarget>().is64Bit())
         Opc = X86::MOV8rr_NOREX;
       else
         Opc = X86::MOV8rr;





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