Security: disable nontemporals.

src/arm64/constants-arm64.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_ARM64_CONSTANTS_ARM64_H_
 #define V8_ARM64_CONSTANTS_ARM64_H_
 
 
 // Assert that this is an LP64 system.
 STATIC_ASSERT(sizeof(int) == sizeof(int32_t));     // NOLINT(runtime/sizeof)
@@ skipping 744 matching lines @@
 enum LoadStorePairOffsetOp {
   LoadStorePairOffsetFixed = 0x29000000,
   LoadStorePairOffsetFMask = 0x3B800000,
   LoadStorePairOffsetMask  = 0xFFC00000,
   #define LOAD_STORE_PAIR_OFFSET(A, B, C)  \
   A##_##B##_off = LoadStorePairOffsetFixed | A##_##B
   LOAD_STORE_PAIR_OP_LIST(LOAD_STORE_PAIR_OFFSET)
   #undef LOAD_STORE_PAIR_OFFSET
 };
 
-enum LoadStorePairNonTemporalOp {
-  LoadStorePairNonTemporalFixed = 0x28000000,
-  LoadStorePairNonTemporalFMask = 0x3B800000,
-  LoadStorePairNonTemporalMask  = 0xFFC00000,
-  STNP_w = LoadStorePairNonTemporalFixed | STP_w,
-  LDNP_w = LoadStorePairNonTemporalFixed | LDP_w,
-  STNP_x = LoadStorePairNonTemporalFixed | STP_x,
-  LDNP_x = LoadStorePairNonTemporalFixed | LDP_x,
-  STNP_s = LoadStorePairNonTemporalFixed | STP_s,
-  LDNP_s = LoadStorePairNonTemporalFixed | LDP_s,
-  STNP_d = LoadStorePairNonTemporalFixed | STP_d,
-  LDNP_d = LoadStorePairNonTemporalFixed | LDP_d
-};
-
 // Load literal.
 enum LoadLiteralOp {
   LoadLiteralFixed = 0x18000000,
   LoadLiteralFMask = 0x3B000000,
   LoadLiteralMask  = 0xFF000000,
   LDR_w_lit        = LoadLiteralFixed | 0x00000000,
   LDR_x_lit        = LoadLiteralFixed | 0x40000000,
   LDRSW_x_lit      = LoadLiteralFixed | 0x80000000,
   PRFM_lit         = LoadLiteralFixed | 0xC0000000,
   LDR_s_lit        = LoadLiteralFixed | 0x04000000,
@@ skipping 456 matching lines @@
 };
 
 enum UnallocatedOp {
   UnallocatedFixed = 0x00000000,
   UnallocatedFMask = 0x00000000
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM64_CONSTANTS_ARM64_H_