Added the rdtscp instruction to the x86 instruction

tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96073 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 4 insertions, 1 deletions

diff --git a/lib/Target/X86/X86InstrFormats.td b/lib/Target/X86/X86InstrFormats.td
index 8b934e0f86..bb81cbf8ac 100644
--- a/lib/Target/X86/X86InstrFormats.td
+++ b/lib/Target/X86/X86InstrFormats.td
@@ -38,7 +38,7 @@ def MRM_C9 : Format<38>;
 def MRM_E8 : Format<39>;
 def MRM_F0 : Format<40>;
 def MRM_F8 : Format<41>;
-
+def MRM_F9 : Format<42>;
 
 // ImmType - This specifies the immediate type used by an instruction. This is
 // part of the ad-hoc solution used to emit machine instruction encodings by our
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 62dfdc299c..25cd297e26 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -904,6 +904,9 @@ let Defs = [RAX, RDX] in
 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
             TB;
 
+let Defs = [RAX, RCX, RDX] in
+def RDTSCP : I<0x01, MRM_F9, (outs), (ins), "rdtscp", []>, TB;
+
 let isBarrier = 1, hasCtrlDep = 1 in {
 def TRAP    : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
 }