diff options
| -rw-r--r-- | lib/Target/X86/X86Instr64bit.td | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/Target/X86/X86Instr64bit.td b/lib/Target/X86/X86Instr64bit.td index c4b25fca2f..1dd7e07964 100644 --- a/lib/Target/X86/X86Instr64bit.td +++ b/lib/Target/X86/X86Instr64bit.td @@ -245,6 +245,18 @@ let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI] in def REP_STOSQ : RI<0xAB, RawFrm, (outs), (ins), "{rep;stosq|rep stosq}", [(X86rep_stos i64)]>, REP; +// Fast system-call instructions +def SYSCALL : I<0x05, RawFrm, + (outs), (ins), "syscall", []>, TB; +def SYSENTER : I<0x34, RawFrm, + (outs), (ins), "sysenter", []>, TB; +def SYSEXIT : I<0x35, RawFrm, + (outs), (ins), "sysexit", []>, TB; +def SYSEXIT64 : RI<0x35, RawFrm, + (outs), (ins), "sysexit", []>, TB; +def SYSRET : I<0x07, RawFrm, + (outs), (ins), "sysret", []>, TB; + //===----------------------------------------------------------------------===// // Move Instructions... // |