[llvm-commits] CVS: llvm/lib/Target/X86/X86CodeEmitter.cpp

[Evan Cheng]

Changes in directory llvm/lib/Target/X86:

X86CodeEmitter.cpp updated: 1.87 -> 1.88
---
Log message:

Bug fix: XS, XD prefixes were being emitted twice.
XMM registers were not being handled.


---
Diffs of the changes:  (+9 -9)

 X86CodeEmitter.cpp |   18 +++++++++---------
 1 files changed, 9 insertions(+), 9 deletions(-)


Index: llvm/lib/Target/X86/X86CodeEmitter.cpp
diff -u llvm/lib/Target/X86/X86CodeEmitter.cpp:1.87 
llvm/lib/Target/X86/X86CodeEmitter.cpp:1.88
--- llvm/lib/Target/X86/X86CodeEmitter.cpp:1.87 Wed Feb  1 00:13:50 2006
+++ llvm/lib/Target/X86/X86CodeEmitter.cpp      Tue Feb 14 15:45:24 2006
@@ -186,6 +186,11 @@
   case X86::ST0: case X86::ST1: case X86::ST2: case X86::ST3:
   case X86::ST4: case X86::ST5: case X86::ST6: case X86::ST7:
     return RegNo-X86::ST0;
+
+  case X86::XMM0: case X86::XMM1: case X86::XMM2: case X86::XMM3:
+  case X86::XMM4: case X86::XMM5: case X86::XMM6: case X86::XMM7:
+    return RegNo-X86::XMM0;
+
   default:
     assert(MRegisterInfo::isVirtualRegister(RegNo) &&
            "Unknown physical register!");
@@ -371,21 +376,16 @@
   case X86II::TB:
     MCE.emitByte(0x0F);   // Two-byte opcode prefix
     break;
-  case X86II::REP: break; // already handled.
-  case X86II::XS:   // F3 0F
-    MCE.emitByte(0xF3);
-    MCE.emitByte(0x0F);
-    break;
-  case X86II::XD:   // F2 0F
-    MCE.emitByte(0xF2);
-    MCE.emitByte(0x0F);
-    break;
   case X86II::D8: case X86II::D9: case X86II::DA: case X86II::DB:
   case X86II::DC: case X86II::DD: case X86II::DE: case X86II::DF:
     MCE.emitByte(0xD8+
                  (((Desc.TSFlags & X86II::Op0Mask)-X86II::D8)
                                    >> X86II::Op0Shift));
     break; // Two-byte opcode prefix
+  case X86II::REP:
+  case X86II::XS:
+  case X86II::XD:
+    break; // already handled.
   default: assert(0 && "Invalid prefix!");
   case 0: break;  // No prefix!
   }



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