[llvm] r316337 - [X86] Change XRSTOR to use PS instead of TB to match XSAVE.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Mon Oct 23 09:11:33 2017
New Revision: 316337

URL: http://llvm.org/viewvc/llvm-project?rev=316337&view=rev
Log:
[X86] Change XRSTOR to use PS instead of TB to match XSAVE.

I don't think this changes anything functionally yet, but I plan to fix the disassembler to use this to disable matching certain instructions with 0xf3/0xf2/0x66 prefixes.

Modified:
    llvm/trunk/lib/Target/X86/X86InstrSystem.td

Modified: llvm/trunk/lib/Target/X86/X86InstrSystem.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrSystem.td?rev=316337&r1=316336&r2=316337&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrSystem.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrSystem.td Mon Oct 23 09:11:33 2017
@@ -512,10 +512,10 @@ let Predicates = [HasXSAVE] in {
                    [(int_x86_xsave64 addr:$dst, EDX, EAX)]>, PS, Requires<[In64BitMode]>;
   def XRSTOR : I<0xAE, MRM5m, (outs), (ins opaque512mem:$dst),
                  "xrstor\t$dst",
-                 [(int_x86_xrstor addr:$dst, EDX, EAX)]>, TB;
+                 [(int_x86_xrstor addr:$dst, EDX, EAX)]>, PS;
   def XRSTOR64 : RI<0xAE, MRM5m, (outs), (ins opaque512mem:$dst),
                     "xrstor64\t$dst",
-                    [(int_x86_xrstor64 addr:$dst, EDX, EAX)]>, TB, Requires<[In64BitMode]>;
+                    [(int_x86_xrstor64 addr:$dst, EDX, EAX)]>, PS, Requires<[In64BitMode]>;
 }
 let Predicates = [HasXSAVEOPT] in {
   def XSAVEOPT : I<0xAE, MRM6m, (outs), (ins opaque512mem:$dst),