RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2025-01-01 17:28:21 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Implement the rex64 prefix.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120017 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2010-11-23 11:23:24 +00:00
parent 4cd2ad15b4
commit beb6898df8
2 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
lib/Target/X86/AsmParser/X86AsmParser.cpp
View File

@ -707,7 +707,8 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
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

3
lib/Target/X86/X86InstrInfo.td
View File

@ -1144,6 +1144,9 @@ def CMPXCHG16B : RI<0xC7, MRM1m, (outs), (ins i128mem:$dst),
// 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 {