https://chromiumcodereview.appspot.com/10079004/diff/1/src/x64/stub-cache-x64.cc File src/x64/stub-cache-x64.cc (right):
https://chromiumcodereview.appspot.com/10079004/diff/1/src/x64/stub-cache-x64.cc#newcode1190 src/x64/stub-cache-x64.cc:1190: __ push(kScratchRegister); In the case where the isolate address is <4Gbytes the old code was correct and faster. Worth checking for? A Push(ExternalReference) instruction in the macro assembler that checked for the serializer being active and the address being under 4Gbytes could do this. https://chromiumcodereview.appspot.com/10079004/ -- v8-dev mailing list [email protected] http://groups.google.com/group/v8-dev
