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6741004: UseLargePages + UseCompressedOops breaks implicit null checking guard page

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Turn off c2 implicit null checking on windows and large pages specified.

Reviewed-by: jrose, xlu
This commit is contained in:
Coleen Phillimore 2008-09-02 15:18:26 -04:00
parent 1d328ffab8
commit 83e7d32161
4 changed files with 16 additions and 9 deletions
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3
hotspot/src/share/vm/runtime/globals.hpp
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@ -294,6 +294,9 @@ class CommandLineFlags {
lp64_product(bool, CheckCompressedOops, trueInDebug, \
"generate checks in encoding/decoding code") \
\
product(bool, UseImplicitNullCheckForNarrowOop, true, \
"generate implicit null check in indexed addressing mode.") \
\
/* UseMembar is theoretically a temp flag used for memory barrier \
* removal testing. It was supposed to be removed before FCS but has \
* been re-added (see 6401008) */ \