[llvm] r320159 - [X86] Tag VIA PadLock crypto instructions scheduler classes

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Fri Dec  8 08:06:40 2017
New Revision: 320159

URL: http://llvm.org/viewvc/llvm-project?rev=320159&view=rev
Log:
[X86] Tag VIA PadLock crypto instructions scheduler classes

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=320159&r1=320158&r2=320159&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrSystem.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrSystem.td Fri Dec  8 08:06:40 2017
@@ -602,11 +602,12 @@ let Predicates = [HasXSAVES] in {
 
 //===----------------------------------------------------------------------===//
 // VIA PadLock crypto instructions
-let Defs = [RAX, RDI], Uses = [RDX, RDI] in
+let Defs = [RAX, RDI], Uses = [RDX, RDI], SchedRW = [WriteSystem] in
   def XSTORE : I<0xa7, MRM_C0, (outs), (ins), "xstore", []>, TB;
 
 def : InstAlias<"xstorerng", (XSTORE)>;
 
+let SchedRW = [WriteSystem] in {
 let Defs = [RSI, RDI], Uses = [RBX, RDX, RSI, RDI] in {
   def XCRYPTECB : I<0xa7, MRM_C8, (outs), (ins), "xcryptecb", []>, TB;
   def XCRYPTCBC : I<0xa7, MRM_D0, (outs), (ins), "xcryptcbc", []>, TB;
@@ -621,6 +622,7 @@ let Defs = [RAX, RSI, RDI], Uses = [RAX,
 }
 let Defs = [RAX, RDX, RSI], Uses = [RAX, RSI] in
   def MONTMUL : I<0xa6, MRM_C0, (outs), (ins), "montmul", []>, TB;
+} // SchedRW
 
 //==-----------------------------------------------------------------------===//
 // PKU  - enable protection key