1 files changed, 15 insertions, 2 deletions
diff --git a/deps/v8/src/compiler/machine-operator.h b/deps/v8/src/compiler/machine-operator.h
index 17db145f58..1bd806eefb 100644
--- a/deps/v8/src/compiler/machine-operator.h
+++ b/deps/v8/src/compiler/machine-operator.h
@@ -239,6 +239,7 @@ class V8_EXPORT_PRIVATE MachineOperatorBuilder final
   const OptionalOperator Word64ReverseBits();
   const Operator* Word32ReverseBytes();
   const Operator* Word64ReverseBytes();
+  const Operator* Simd128ReverseBytes();
   const OptionalOperator Int32AbsWithOverflow();
   const OptionalOperator Int64AbsWithOverflow();
 
@@ -301,8 +302,13 @@ class V8_EXPORT_PRIVATE MachineOperatorBuilder final
   // This operator reinterprets the bits of a tagged pointer as a word.
   const Operator* BitcastTaggedToWord();
 
-  // This operator reinterprets the bits of a Smi as a word.
-  const Operator* BitcastTaggedSignedToWord();
+  // This operator reinterprets the bits of a tagged value as a word preserving
+  // non-pointer bits (all the bits that are not modified by GC):
+  // 1) smi tag
+  // 2) weak tag
+  // 3) smi payload if the tagged value is a smi.
+  // Note, that it's illegal to "look" at the pointer bits of non-smi values.
+  const Operator* BitcastTaggedToWordForTagAndSmiBits();
 
   // This operator reinterprets the bits of a tagged MaybeObject pointer as
   // word.
@@ -477,6 +483,7 @@ class V8_EXPORT_PRIVATE MachineOperatorBuilder final
   const Operator* F64x2Splat();
   const Operator* F64x2Abs();
   const Operator* F64x2Neg();
+  const Operator* F64x2Sqrt();
   const Operator* F64x2Add();
   const Operator* F64x2Sub();
   const Operator* F64x2Mul();
@@ -489,6 +496,8 @@ class V8_EXPORT_PRIVATE MachineOperatorBuilder final
   const Operator* F64x2Ne();
   const Operator* F64x2Lt();
   const Operator* F64x2Le();
+  const Operator* F64x2Qfma();
+  const Operator* F64x2Qfms();
 
   const Operator* F32x4Splat();
   const Operator* F32x4ExtractLane(int32_t);
@@ -497,6 +506,7 @@ class V8_EXPORT_PRIVATE MachineOperatorBuilder final
   const Operator* F32x4UConvertI32x4();
   const Operator* F32x4Abs();
   const Operator* F32x4Neg();
+  const Operator* F32x4Sqrt();
   const Operator* F32x4RecipApprox();
   const Operator* F32x4RecipSqrtApprox();
   const Operator* F32x4Add();
@@ -510,6 +520,8 @@ class V8_EXPORT_PRIVATE MachineOperatorBuilder final
   const Operator* F32x4Ne();
   const Operator* F32x4Lt();
   const Operator* F32x4Le();
+  const Operator* F32x4Qfma();
+  const Operator* F32x4Qfms();
 
   const Operator* I64x2Splat();
   const Operator* I64x2ExtractLane(int32_t);
@@ -632,6 +644,7 @@ class V8_EXPORT_PRIVATE MachineOperatorBuilder final
   const Operator* S128Not();
   const Operator* S128Select();
 
+  const Operator* S8x16Swizzle();
   const Operator* S8x16Shuffle(const uint8_t shuffle[16]);
 
   const Operator* S1x2AnyTrue();