Reviewers: Michael Starzinger,
Description:
Merged r16324 into 3.19 branch.
Lower kInitialMaxFastElementArray constant to 95K
BUG=v8:2790
[email protected]
Please review this at https://codereview.chromium.org/23821003/
SVN Base: https://v8.googlecode.com/svn/branches/3.19
Affected files:
M src/objects.h
M src/version.cc
A + test/mjsunit/regress/regress-2790.js
Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index
1d02ed7c2c495ec1f064a8403be584083c0d83ae..616aa6f0d83f880e895dd0f44744c02cad991d13
100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -2402,7 +2402,11 @@ class JSObject: public JSReceiver {
// don't want to be wasteful with long lived objects.
static const int kMaxUncheckedOldFastElementsLength = 500;
- static const int kInitialMaxFastElementArray = 100000;
+ // TODO(2790): HAllocate currently always allocates fast backing stores
+ // in new space, where on x64 we can only fit ~98K elements. Keep this
+ // limit lower than that until HAllocate is made smarter.
+ static const int kInitialMaxFastElementArray = 95000;
+
static const int kFastPropertiesSoftLimit = 12;
static const int kMaxFastProperties = 64;
static const int kMaxInstanceSize = 255 * kPointerSize;
Index: src/version.cc
diff --git a/src/version.cc b/src/version.cc
index
01826427d737fe7a55b054d67ff4d384504cf29a..2e95b13360a4afe83fb1dffe6d5b3ffdbbd02bc7
100644
--- a/src/version.cc
+++ b/src/version.cc
@@ -35,7 +35,7 @@
#define MAJOR_VERSION 3
#define MINOR_VERSION 19
#define BUILD_NUMBER 18
-#define PATCH_LEVEL 21
+#define PATCH_LEVEL 22
// Use 1 for candidates and 0 otherwise.
// (Boolean macro values are not supported by all preprocessors.)
#define IS_CANDIDATE_VERSION 0
Index: test/mjsunit/regress/regress-2790.js
diff --git a/test/mjsunit/regress/regress-crbug-172345.js
b/test/mjsunit/regress/regress-2790.js
similarity index 93%
copy from test/mjsunit/regress/regress-crbug-172345.js
copy to test/mjsunit/regress/regress-2790.js
index
711501caa791f2974635ac4dd894568a2e3fc982..86305b8867a1b96c65a1731c98bc9a331d9197aa
100644
--- a/test/mjsunit/regress/regress-crbug-172345.js
+++ b/test/mjsunit/regress/regress-2790.js
@@ -25,10 +25,7 @@
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-function f(a,i) {
- return a[i];
+// Test that we can create arrays of any size.
+for (var i = 1000; i < 1000000; i += 97) {
+ new Array(i);
}
-
-f([1,2,3], "length");
-f([1,2,3], "length");
-f([1,2,3], 2);
--
--
v8-dev mailing list
[email protected]
http://groups.google.com/group/v8-dev
---
You received this message because you are subscribed to the Google Groups "v8-dev" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
For more options, visit https://groups.google.com/groups/opt_out.
