[llvm-commits] [llvm] r120017 - in /llvm/trunk/lib/Target/X86: AsmParser/X86AsmParser.cpp X86InstrInfo.td

[Rafael Espindola]

Author: rafael
Date: Tue Nov 23 05:23:24 2010
New Revision: 120017

URL: http://llvm.org/viewvc/llvm-project?rev=120017&view=rev
Log:
Implement the rex64 prefix.

Modified:
    llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp
    llvm/trunk/lib/Target/X86/X86InstrInfo.td

Modified: llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp?rev=120017&r1=120016&r2=120017&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp (original)
+++ llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp Tue Nov 23 05:23:24 2010
@@ -707,7 +707,8 @@
   bool isPrefix =
     Name == "lock" || Name == "rep" ||
     Name == "repe" || Name == "repz" ||
-    Name == "repne" || Name == "repnz";
+    Name == "repne" || Name == "repnz" ||
+    Name == "rex64";
 
 
   // This does the actual operand parsing.  Don't parse any more if we have a

Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.td?rev=120017&r1=120016&r2=120017&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.td Tue Nov 23 05:23:24 2010
@@ -1144,6 +1144,9 @@
 // Lock instruction prefix
 def LOCK_PREFIX : I<0xF0, RawFrm, (outs),  (ins), "lock", []>;
 
+// Rex64 instruction prefix
+def REX64_PREFIX : I<0x48, RawFrm, (outs),  (ins), "rex64", []>;
+
 // Repeat string operation instruction prefixes
 // These uses the DF flag in the EFLAGS register to inc or dec ECX
 let Defs = [ECX], Uses = [ECX,EFLAGS] in {