Reviewers: danno, Toon Verwaest, paul.l..., gergely.kis.imgtec,
akos.palfi.imgtec, dusmil.imgtec,
Description:
MIPS: Also skip when the target is the global object.
Port cc918d30b9d586ce974b71232473f2ae3c5e7847
BUG=
Please review this at https://codereview.chromium.org/957413002/
Base URL: https://chromium.googlesource.com/v8/v8.git@master
Affected files (+4, -2 lines):
M src/ic/mips/handler-compiler-mips.cc
M src/ic/mips64/handler-compiler-mips64.cc
Index: src/ic/mips/handler-compiler-mips.cc
diff --git a/src/ic/mips/handler-compiler-mips.cc
b/src/ic/mips/handler-compiler-mips.cc
index
93106ea0e15c8f0d6ac3f069c89938bed190d752..1e63ac4e986afe205f6aba26889d44c8f28be93c
100644
--- a/src/ic/mips/handler-compiler-mips.cc
+++ b/src/ic/mips/handler-compiler-mips.cc
@@ -484,7 +484,8 @@ Register PropertyHandlerCompiler::CheckPrototypes(
// Log the check depth.
LOG(isolate(), IntEvent("check-maps-depth", depth + 1));
- if (depth != 0 || check == CHECK_ALL_MAPS) {
+ if (!current_map->IsJSGlobalObjectMap() &&
+ (depth != 0 || check == CHECK_ALL_MAPS)) {
// Check the holder map.
__ lw(scratch1, FieldMemOperand(reg, HeapObject::kMapOffset));
Handle<WeakCell> cell = Map::WeakCellForMap(current_map);
Index: src/ic/mips64/handler-compiler-mips64.cc
diff --git a/src/ic/mips64/handler-compiler-mips64.cc
b/src/ic/mips64/handler-compiler-mips64.cc
index
a68a418fa2795ddee817c301d1c15e3bcfbd7c88..2fcf9563a017f760391c097d0e5ef1d44c38fd3c
100644
--- a/src/ic/mips64/handler-compiler-mips64.cc
+++ b/src/ic/mips64/handler-compiler-mips64.cc
@@ -485,7 +485,8 @@ Register PropertyHandlerCompiler::CheckPrototypes(
// Log the check depth.
LOG(isolate(), IntEvent("check-maps-depth", depth + 1));
- if (depth != 0 || check == CHECK_ALL_MAPS) {
+ if (!current_map->IsJSGlobalObjectMap() &&
+ (depth != 0 || check == CHECK_ALL_MAPS)) {
// Check the holder map.
__ ld(scratch1, FieldMemOperand(reg, HeapObject::kMapOffset));
Handle<WeakCell> cell = Map::WeakCellForMap(current_map);
--
--
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