[X86] Finish the subtarget and predicate implementation of CLWB.

We don't have an intrinsic implemented for this instruction yet, but it looked odd that we were missing the accessor method from the subtarget.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@312064 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index f20841bd02e177581ea3c042433ac3a2f848b8d8..1c7e84de522880237e579baf15ba27e7cc630451 100644 (file)
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -872,6 +872,7 @@ def FPStackf32   : Predicate<"!Subtarget->hasSSE1()">;
 def FPStackf64   : Predicate<"!Subtarget->hasSSE2()">;
 def HasMPX       : Predicate<"Subtarget->hasMPX()">;
 def HasCLFLUSHOPT : Predicate<"Subtarget->hasCLFLUSHOPT()">;
+def HasCLWB      : Predicate<"Subtarget->hasCLWB()">;
 def HasCmpxchg16b: Predicate<"Subtarget->hasCmpxchg16b()">;
 def Not64BitMode : Predicate<"!Subtarget->is64Bit()">,
                              AssemblerPredicate<"!Mode64Bit", "Not 64-bit mode">;
@@ -2718,6 +2719,9 @@ let Predicates = [HasTBM] in {
 let Predicates = [HasCLFLUSHOPT] in
 def CLFLUSHOPT : I<0xAE, MRM7m, (outs), (ins i8mem:$src),
                    "clflushopt\t$src", [(int_x86_clflushopt addr:$src)]>, PD;
+
+// TODO: Add an instrincis for this.
+let Predicates = [HasCLWB] in
 def CLWB       : I<0xAE, MRM6m, (outs), (ins i8mem:$src), "clwb\t$src", []>, PD;
 
 

diff --git a/lib/Target/X86/X86Subtarget.h b/lib/Target/X86/X86Subtarget.h
index e1e1cdfb8da8839a22704639f2c64ca6cf270d13..8b869022d761e181ec71486fb94bceccf90cff73 100644 (file)
--- a/lib/Target/X86/X86Subtarget.h
+++ b/lib/Target/X86/X86Subtarget.h
@@ -507,6 +507,7 @@ public:
   bool hasPKU() const { return HasPKU; }
   bool hasMPX() const { return HasMPX; }
   bool hasCLFLUSHOPT() const { return HasCLFLUSHOPT; }
+  bool hasCLWB() const { return HasCLWB; }
 
   bool isXRaySupported() const override { return is64Bit(); }