Update V8 to version 4.1.0.21
This is a cherry-pick of all commits up to and including the
4.1.0.21 cherry-pick in Chromium.
Original commit message:
Version 4.1.0.21 (cherry-pick)
Merged 206e9136bde0f2b5ae8cb77afbb1e7833e5bd412
Unlink pages from the space page list after evacuation.
BUG=430201
LOG=N
R=jkummerow@chromium.org
Review URL: https://codereview.chromium.org/953813002
Cr-Commit-Position: refs/branch-heads/4.1@{#22}
Cr-Branched-From: 2e08d2a7aa9d65d269d8c57aba82eb38a8cb0a18-refs/heads/candidates@{#25353}
---
FPIIM-449
Change-Id: I8c23c7bbb70772b4858fe8a47b64fa97ee0d1f8c
diff --git a/src/mips/macro-assembler-mips.h b/src/mips/macro-assembler-mips.h
index ce52986..0bc1e15 100644
--- a/src/mips/macro-assembler-mips.h
+++ b/src/mips/macro-assembler-mips.h
@@ -250,8 +250,10 @@
Mthc1(src_high, dst);
}
- // Conditional move.
+ void Move(FPURegister dst, float imm);
void Move(FPURegister dst, double imm);
+
+ // Conditional move.
void Movz(Register rd, Register rs, Register rt);
void Movn(Register rd, Register rs, Register rt);
void Movt(Register rd, Register rs, uint16_t cc = 0);
@@ -313,10 +315,6 @@
Condition cc,
Label* condition_met);
- void CheckMapDeprecated(Handle<Map> map,
- Register scratch,
- Label* if_deprecated);
-
// Check if object is in new space. Jumps if the object is not in new space.
// The register scratch can be object itself, but it will be clobbered.
void JumpIfNotInNewSpace(Register object,
@@ -587,9 +585,13 @@
DEFINE_INSTRUCTION(Addu);
DEFINE_INSTRUCTION(Subu);
DEFINE_INSTRUCTION(Mul);
+ DEFINE_INSTRUCTION(Div);
+ DEFINE_INSTRUCTION(Divu);
DEFINE_INSTRUCTION(Mod);
+ DEFINE_INSTRUCTION(Modu);
DEFINE_INSTRUCTION(Mulh);
DEFINE_INSTRUCTION2(Mult);
+ DEFINE_INSTRUCTION(Mulhu);
DEFINE_INSTRUCTION2(Multu);
DEFINE_INSTRUCTION2(Div);
DEFINE_INSTRUCTION2(Divu);
@@ -1078,15 +1080,19 @@
Label* fail,
SmiCheckType smi_check_type);
- // Check if the map of an object is equal to a specified map and branch to a
- // specified target if equal. Skip the smi check if not required (object is
- // known to be a heap object)
- void DispatchMap(Register obj,
- Register scratch,
- Handle<Map> map,
- Handle<Code> success,
- SmiCheckType smi_check_type);
+ // Check if the map of an object is equal to a specified weak map and branch
+ // to a specified target if equal. Skip the smi check if not required
+ // (object is known to be a heap object)
+ void DispatchWeakMap(Register obj, Register scratch1, Register scratch2,
+ Handle<WeakCell> cell, Handle<Code> success,
+ SmiCheckType smi_check_type);
+ // Get value of the weak cell.
+ void GetWeakValue(Register value, Handle<WeakCell> cell);
+
+ // Load the value of the weak cell in the value register. Branch to the
+ // given miss label is the weak cell was cleared.
+ void LoadWeakValue(Register value, Handle<WeakCell> cell, Label* miss);
// Load and check the instance type of an object for being a string.
// Loads the type into the second argument register.
@@ -1142,12 +1148,20 @@
Register overflow_dst,
Register scratch = at);
+ void AdduAndCheckForOverflow(Register dst, Register left,
+ const Operand& right, Register overflow_dst,
+ Register scratch = at);
+
void SubuAndCheckForOverflow(Register dst,
Register left,
Register right,
Register overflow_dst,
Register scratch = at);
+ void SubuAndCheckForOverflow(Register dst, Register left,
+ const Operand& right, Register overflow_dst,
+ Register scratch = at);
+
void BranchOnOverflow(Label* label,
Register overflow_check,
BranchDelaySlot bd = PROTECT) {
@@ -1172,13 +1186,10 @@
// Runtime calls.
// See comments at the beginning of CEntryStub::Generate.
- inline void PrepareCEntryArgs(int num_args) {
- li(s0, num_args);
- li(s1, (num_args - 1) * kPointerSize);
- }
+ inline void PrepareCEntryArgs(int num_args) { li(a0, num_args); }
inline void PrepareCEntryFunction(const ExternalReference& ref) {
- li(s2, Operand(ref));
+ li(a1, Operand(ref));
}
#define COND_ARGS Condition cond = al, Register rs = zero_reg, \
@@ -1555,6 +1566,7 @@
// Activation support.
void EnterFrame(StackFrame::Type type);
+ void EnterFrame(StackFrame::Type type, bool load_constant_pool_pointer_reg);
void LeaveFrame(StackFrame::Type type);
// Patch the relocated value (lui/ori pair).
@@ -1657,6 +1669,7 @@
bool generating_stub_;
bool has_frame_;
+ bool has_double_zero_reg_set_;
// This handle will be patched with the code object on installation.
Handle<Object> code_object_;