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8146478: Node limit exceeded with -XX:AllocateInstancePrefetchLines=1073741823

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Constrain the set of accepted values for the Allocate{PrefetchLines, InstancePrefetchLines, PrefetchStepSize, PrefetchDistance} flags. Increase macro node expansion budget.

Reviewed-by: kvn
This commit is contained in:
Zoltan Majo 2016-01-28 08:33:45 +01:00
parent 272ee0ade8
commit 477c40e4eb
5 changed files with 39 additions and 32 deletions
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6
hotspot/src/share/vm/runtime/globals.hpp
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@ -2964,16 +2964,16 @@ public:
\
product(intx, AllocatePrefetchLines, 3, \
"Number of lines to prefetch ahead of array allocation pointer") \
range(1, max_jint / 2) \
range(1, 64) \
\
product(intx, AllocateInstancePrefetchLines, 1, \
"Number of lines to prefetch ahead of instance allocation " \
"pointer") \
range(1, max_jint / 2) \
range(1, 64) \
\
product(intx, AllocatePrefetchStepSize, 16, \
"Step size in bytes of sequential prefetch instructions") \
range(1, max_jint) \
range(1, 512) \
constraint(AllocatePrefetchStepSizeConstraintFunc,AfterMemoryInit)\
\
product(intx, AllocatePrefetchInstr, 0, \