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authorMichaël Zasso <targos@protonmail.com>2017-10-18 15:03:02 -0700
committerMichaël Zasso <targos@protonmail.com>2017-10-18 17:01:41 -0700
commit3d1b3df9486c0e7708065257f7311902f6b7b366 (patch)
treecb051bdeaead11e06dcd97725783e0f113afb1bf /deps/v8/src/ic/arm64/ic-arm64.cc
parente2cddbb8ccdb7b3c4a40c8acc630f68703bc77b5 (diff)
downloadnode-new-3d1b3df9486c0e7708065257f7311902f6b7b366.tar.gz
deps: update V8 to 6.2.414.32
PR-URL: https://github.com/nodejs/node/pull/15362 Reviewed-By: Myles Borins <myles.borins@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Diffstat (limited to 'deps/v8/src/ic/arm64/ic-arm64.cc')
-rw-r--r--deps/v8/src/ic/arm64/ic-arm64.cc104
1 files changed, 0 insertions, 104 deletions
diff --git a/deps/v8/src/ic/arm64/ic-arm64.cc b/deps/v8/src/ic/arm64/ic-arm64.cc
deleted file mode 100644
index 8e9a7f5d2b..0000000000
--- a/deps/v8/src/ic/arm64/ic-arm64.cc
+++ /dev/null
@@ -1,104 +0,0 @@
-// 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.
-
-#if V8_TARGET_ARCH_ARM64
-
-#include "src/arm64/assembler-arm64-inl.h"
-#include "src/codegen.h"
-#include "src/ic/ic.h"
-#include "src/ic/stub-cache.h"
-#include "src/objects-inl.h"
-
-namespace v8 {
-namespace internal {
-
-
-Condition CompareIC::ComputeCondition(Token::Value op) {
- switch (op) {
- case Token::EQ_STRICT:
- case Token::EQ:
- return eq;
- case Token::LT:
- return lt;
- case Token::GT:
- return gt;
- case Token::LTE:
- return le;
- case Token::GTE:
- return ge;
- default:
- UNREACHABLE();
- }
-}
-
-
-bool CompareIC::HasInlinedSmiCode(Address address) {
- // The address of the instruction following the call.
- Address info_address = Assembler::return_address_from_call_start(address);
-
- InstructionSequence* patch_info = InstructionSequence::At(info_address);
- return patch_info->IsInlineData();
-}
-
-
-// Activate a SMI fast-path by patching the instructions generated by
-// JumpPatchSite::EmitJumpIf(Not)Smi(), using the information encoded by
-// JumpPatchSite::EmitPatchInfo().
-void PatchInlinedSmiCode(Isolate* isolate, Address address,
- InlinedSmiCheck check) {
- // The patch information is encoded in the instruction stream using
- // instructions which have no side effects, so we can safely execute them.
- // The patch information is encoded directly after the call to the helper
- // function which is requesting this patch operation.
- Address info_address = Assembler::return_address_from_call_start(address);
- InlineSmiCheckInfo info(info_address);
-
- // Check and decode the patch information instruction.
- if (!info.HasSmiCheck()) {
- return;
- }
-
- if (FLAG_trace_ic) {
- LOG(isolate, PatchIC(address, info_address, info.SmiCheckDelta()));
- }
-
- // Patch and activate code generated by JumpPatchSite::EmitJumpIfNotSmi()
- // and JumpPatchSite::EmitJumpIfSmi().
- // Changing
- // tb(n)z xzr, #0, <target>
- // to
- // tb(!n)z test_reg, #0, <target>
- Instruction* to_patch = info.SmiCheck();
- PatchingAssembler patcher(isolate, reinterpret_cast<byte*>(to_patch), 1);
- DCHECK(to_patch->IsTestBranch());
- DCHECK(to_patch->ImmTestBranchBit5() == 0);
- DCHECK(to_patch->ImmTestBranchBit40() == 0);
-
- STATIC_ASSERT(kSmiTag == 0);
- STATIC_ASSERT(kSmiTagMask == 1);
-
- int branch_imm = to_patch->ImmTestBranch();
- Register smi_reg;
- if (check == ENABLE_INLINED_SMI_CHECK) {
- DCHECK(to_patch->Rt() == xzr.code());
- smi_reg = info.SmiRegister();
- } else {
- DCHECK(check == DISABLE_INLINED_SMI_CHECK);
- DCHECK(to_patch->Rt() != xzr.code());
- smi_reg = xzr;
- }
-
- if (to_patch->Mask(TestBranchMask) == TBZ) {
- // This is JumpIfNotSmi(smi_reg, branch_imm).
- patcher.tbnz(smi_reg, 0, branch_imm);
- } else {
- DCHECK(to_patch->Mask(TestBranchMask) == TBNZ);
- // This is JumpIfSmi(smi_reg, branch_imm).
- patcher.tbz(smi_reg, 0, branch_imm);
- }
-}
-} // namespace internal
-} // namespace v8
-
-#endif // V8_TARGET_ARCH_ARM64