Update V8 to r4851 as required by WebKit r61121
Change-Id: Ib01b7c8e38d5b82b254192fc06365aa5b85780c5
diff --git a/src/x64/macro-assembler-x64.h b/src/x64/macro-assembler-x64.h
index b4f3240..0acce05 100644
--- a/src/x64/macro-assembler-x64.h
+++ b/src/x64/macro-assembler-x64.h
@@ -78,8 +78,8 @@
// ---------------------------------------------------------------------------
// GC Support
- // Set the remebered set bit for an address which points into an
- // object. RecordWriteHelper only works if the object is not in new
+ // For page containing |object| mark region covering |addr| dirty.
+ // RecordWriteHelper only works if the object is not in new
// space.
void RecordWriteHelper(Register object,
Register addr,
@@ -93,7 +93,7 @@
Condition cc,
Label* branch);
- // Set the remembered set bit for [object+offset].
+ // For page containing |object| mark region covering [object+offset] dirty.
// object is the object being stored into, value is the object being stored.
// If offset is zero, then the scratch register contains the array index into
// the elements array represented as a Smi.
@@ -103,7 +103,7 @@
Register value,
Register scratch);
- // Set the remembered set bit for [object+offset].
+ // For page containing |object| mark region covering [object+offset] dirty.
// The value is known to not be a smi.
// object is the object being stored into, value is the object being stored.
// If offset is zero, then the scratch register contains the array index into
@@ -210,6 +210,7 @@
// Convert smi to 32-bit integer. I.e., not sign extended into
// high 32 bits of destination.
void SmiToInteger32(Register dst, Register src);
+ void SmiToInteger32(Register dst, const Operand& src);
// Convert smi to 64-bit integer (sign extended if necessary).
void SmiToInteger64(Register dst, Register src);
@@ -220,6 +221,13 @@
Register src,
int power);
+ // Divide a positive smi's integer value by a power of two.
+ // Provides result as 32-bit integer value.
+ void PositiveSmiDivPowerOfTwoToInteger32(Register dst,
+ Register src,
+ int power);
+
+
// Simple comparison of smis.
void SmiCompare(Register dst, Register src);
void SmiCompare(Register dst, Smi* src);