Do not emit receiver map in CheckPrototypes.

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

diff --git a/src/a64/stub-cache-a64.cc b/src/a64/stub-cache-a64.cc
index 57c03e8..3113286 100644 (file)
--- a/src/a64/stub-cache-a64.cc
+++ b/src/a64/stub-cache-a64.cc
@@ -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));

diff --git a/src/arm/stub-cache-arm.cc b/src/arm/stub-cache-arm.cc
index 3bc9554..1bb772e 100644 (file)
--- a/src/arm/stub-cache-arm.cc
+++ b/src/arm/stub-cache-arm.cc
@@ -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));

diff --git a/src/ia32/stub-cache-ia32.cc b/src/ia32/stub-cache-ia32.cc
index 4bc4288..c790a14 100644 (file)
--- a/src/ia32/stub-cache-ia32.cc
+++ b/src/ia32/stub-cache-ia32.cc
@@ -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));

diff --git a/src/mips/stub-cache-mips.cc b/src/mips/stub-cache-mips.cc
index 7e3c801..a6f050d 100644 (file)
--- a/src/mips/stub-cache-mips.cc
+++ b/src/mips/stub-cache-mips.cc
@@ -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));

diff --git a/src/x64/stub-cache-x64.cc b/src/x64/stub-cache-x64.cc
index 346d5e8..1e6dc9a 100644 (file)
--- a/src/x64/stub-cache-x64.cc
+++ b/src/x64/stub-cache-x64.cc
@@ -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));