Update v8 to bleeding_edge revision 3784
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index 6c3bbbb..b39404e 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -205,6 +205,11 @@
// tag is shifted away.
void MacroAssembler::RecordWrite(Register object, Register offset,
Register scratch) {
+ // The compiled code assumes that record write doesn't change the
+ // context register, so we check that none of the clobbered
+ // registers are cp.
+ ASSERT(!object.is(cp) && !offset.is(cp) && !scratch.is(cp));
+
// This is how much we shift the remembered set bit offset to get the
// offset of the word in the remembered set. We divide by kBitsPerInt (32,
// shift right 5) and then multiply by kIntSize (4, shift left 2).
@@ -272,6 +277,14 @@
str(scratch, MemOperand(object));
bind(&done);
+
+ // Clobber all input registers when running with the debug-code flag
+ // turned on to provoke errors.
+ if (FLAG_debug_code) {
+ mov(object, Operand(bit_cast<int32_t>(kZapValue)));
+ mov(offset, Operand(bit_cast<int32_t>(kZapValue)));
+ mov(scratch, Operand(bit_cast<int32_t>(kZapValue)));
+ }
}
@@ -1035,9 +1048,13 @@
return;
}
- Runtime::FunctionId function_id =
- static_cast<Runtime::FunctionId>(f->stub_id);
- RuntimeStub stub(function_id, num_arguments);
+ // TODO(1236192): Most runtime routines don't need the number of
+ // arguments passed in because it is constant. At some point we
+ // should remove this need and make the runtime routine entry code
+ // smarter.
+ mov(r0, Operand(num_arguments));
+ mov(r1, Operand(ExternalReference(f)));
+ CEntryStub stub(1);
CallStub(&stub);
}