AuroraMiddleware/v8
1
0
Fork 0
Code Issues 2 Pull Requests Releases Wiki Activity

MIPS: Only create arguments-maps in the bootstrapper, remove now obsolete ValueType flag.

Browse Source 
Port r22245 (1471c64)

BUG=
R=palfia@homejinni.com

Review URL: https://codereview.chromium.org/375603002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22253 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
kilvadyb@homejinni.com 2014-07-07 16:23:28 +00:00
parent 34e09e5644
commit b9a0cf1925
1 changed files with 18 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
src/mips/code-stubs-mips.cc
View File

@ -2144,12 +2144,12 @@ void ArgumentsAccessStub::GenerateNewSloppyFast(MacroAssembler* masm) {
__ Allocate(t5, v0, a3, t0, &runtime, TAG_OBJECT);
// v0 = address of new object(s) (tagged)
// a2 = argument count (tagged)
// a2 = argument count (smi-tagged)
// Get the arguments boilerplate from the current native context into t0.
const int kNormalOffset =
Context::SlotOffset(Context::SLOPPY_ARGUMENTS_BOILERPLATE_INDEX);
Context::SlotOffset(Context::SLOPPY_ARGUMENTS_MAP_INDEX);
const int kAliasedOffset =
Context::SlotOffset(Context::ALIASED_ARGUMENTS_BOILERPLATE_INDEX);
Context::SlotOffset(Context::ALIASED_ARGUMENTS_MAP_INDEX);
__ lw(t0, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
__ lw(t0, FieldMemOperand(t0, GlobalObject::kNativeContextOffset));
@ -2164,22 +2164,23 @@ void ArgumentsAccessStub::GenerateNewSloppyFast(MacroAssembler* masm) {
// v0 = address of new object (tagged)
// a1 = mapped parameter count (tagged)
// a2 = argument count (tagged)
// t0 = address of boilerplate object (tagged)
// Copy the JS object part.
for (int i = 0; i < JSObject::kHeaderSize; i += kPointerSize) {
__ lw(a3, FieldMemOperand(t0, i));
__ sw(a3, FieldMemOperand(v0, i));
}
// a2 = argument count (smi-tagged)
// t0 = address of arguments map (tagged)
__ sw(t0, FieldMemOperand(v0, JSObject::kMapOffset));
__ LoadRoot(a3, Heap::kEmptyFixedArrayRootIndex);
__ sw(a3, FieldMemOperand(v0, JSObject::kPropertiesOffset));
__ sw(a3, FieldMemOperand(v0, JSObject::kElementsOffset));
// Set up the callee in-object property.
STATIC_ASSERT(Heap::kArgumentsCalleeIndex == 1);
__ lw(a3, MemOperand(sp, 2 * kPointerSize));
__ AssertNotSmi(a3);
const int kCalleeOffset = JSObject::kHeaderSize +
Heap::kArgumentsCalleeIndex * kPointerSize;
__ sw(a3, FieldMemOperand(v0, kCalleeOffset));
// Use the length (smi tagged) and set that as an in-object property too.
__ AssertSmi(a2);
STATIC_ASSERT(Heap::kArgumentsLengthIndex == 0);
const int kLengthOffset = JSObject::kHeaderSize +
Heap::kArgumentsLengthIndex * kPointerSize;
@ -2338,15 +2339,18 @@ void ArgumentsAccessStub::GenerateNewStrict(MacroAssembler* masm) {
// Get the arguments boilerplate from the current native context.
__ lw(t0, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
__ lw(t0, FieldMemOperand(t0, GlobalObject::kNativeContextOffset));
__ lw(t0, MemOperand(t0, Context::SlotOffset(
Context::STRICT_ARGUMENTS_BOILERPLATE_INDEX)));
__ lw(t0, MemOperand(
t0, Context::SlotOffset(Context::STRICT_ARGUMENTS_MAP_INDEX)));
// Copy the JS object part.
__ CopyFields(v0, t0, a3.bit(), JSObject::kHeaderSize / kPointerSize);
__ sw(t0, FieldMemOperand(v0, JSObject::kMapOffset));
__ LoadRoot(a3, Heap::kEmptyFixedArrayRootIndex);
__ sw(a3, FieldMemOperand(v0, JSObject::kPropertiesOffset));
__ sw(a3, FieldMemOperand(v0, JSObject::kElementsOffset));
// Get the length (smi tagged) and set that as an in-object property too.
STATIC_ASSERT(Heap::kArgumentsLengthIndex == 0);
__ lw(a1, MemOperand(sp, 0 * kPointerSize));
__ AssertSmi(a1);
__ sw(a1, FieldMemOperand(v0, JSObject::kHeaderSize +
Heap::kArgumentsLengthIndex * kPointerSize));