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Do not emit receiver map in CheckPrototypes.

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BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/170613002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19471 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
ulan@chromium.org 2014-02-19 09:24:44 +00:00
parent 21cb5ca20b
commit cf568ea0ed
5 changed files with 0 additions and 15 deletions
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3
src/a64/stub-cache-a64.cc
View File

@ -840,9 +840,6 @@ Register StubCompiler::CheckPrototypes(Handle<HeapType> type,
Label* miss,
PrototypeCheckType check) {
Handle<Map> receiver_map(IC::TypeToMap(*type, isolate()));
// Make sure that the type feedback oracle harvests the receiver map.
// TODO(svenpanne) Remove this hack when all ICs are reworked.
__ Mov(scratch1, Operand(receiver_map));
// object_reg and holder_reg registers can alias.
ASSERT(!AreAliased(object_reg, scratch1, scratch2));

3
src/arm/stub-cache-arm.cc
View File

@ -879,9 +879,6 @@ Register StubCompiler::CheckPrototypes(Handle<HeapType> type,
Label* miss,
PrototypeCheckType check) {
Handle<Map> receiver_map(IC::TypeToMap(*type, isolate()));
// Make sure that the type feedback oracle harvests the receiver map.
// TODO(svenpanne) Remove this hack when all ICs are reworked.
__ mov(scratch1, Operand(receiver_map));
// Make sure there's no overlap between holder and object registers.
ASSERT(!scratch1.is(object_reg) && !scratch1.is(holder_reg));

3
src/ia32/stub-cache-ia32.cc
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@ -861,9 +861,6 @@ Register StubCompiler::CheckPrototypes(Handle<HeapType> type,
Label* miss,
PrototypeCheckType check) {
Handle<Map> receiver_map(IC::TypeToMap(*type, isolate()));
// Make sure that the type feedback oracle harvests the receiver map.
// TODO(svenpanne) Remove this hack when all ICs are reworked.
__ mov(scratch1, receiver_map);
// Make sure there's no overlap between holder and object registers.
ASSERT(!scratch1.is(object_reg) && !scratch1.is(holder_reg));

3
src/mips/stub-cache-mips.cc
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@ -868,9 +868,6 @@ Register StubCompiler::CheckPrototypes(Handle<HeapType> type,
Label* miss,
PrototypeCheckType check) {
Handle<Map> receiver_map(IC::TypeToMap(*type, isolate()));
// Make sure that the type feedback oracle harvests the receiver map.
// TODO(svenpanne) Remove this hack when all ICs are reworked.
__ li(scratch1, Operand(receiver_map));
// Make sure there's no overlap between holder and object registers.
ASSERT(!scratch1.is(object_reg) && !scratch1.is(holder_reg));

3
src/x64/stub-cache-x64.cc
View File

@ -774,9 +774,6 @@ Register StubCompiler::CheckPrototypes(Handle<HeapType> type,
Label* miss,
PrototypeCheckType check) {
Handle<Map> receiver_map(IC::TypeToMap(*type, isolate()));
// Make sure that the type feedback oracle harvests the receiver map.
// TODO(svenpanne) Remove this hack when all ICs are reworked.
__ Move(scratch1, receiver_map);
// Make sure there's no overlap between holder and object registers.
ASSERT(!scratch1.is(object_reg) && !scratch1.is(holder_reg));