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8026251: New type profiling points: parameters to methods

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X86 interpreter and c1 type profiling for parameters on method entries

Reviewed-by: kvn, twisti
This commit is contained in:
Roland Westrelin 2013-10-22 09:51:47 +02:00
parent 4db165a8d7
commit b94884a330
26 changed files with 750 additions and 430 deletions
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11
hotspot/src/share/vm/runtime/globals.hpp
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@ -2671,13 +2671,18 @@ class CommandLineFlags {
"Enable aggressive optimizations - see arguments.cpp") \
\
product_pd(uintx, TypeProfileLevel, \
"=XY, with Y, Type profiling of arguments at call" \
" X, Type profiling of return value at call" \
"X and Y in 0->off ; 1->js292 only; 2->all methods") \
"=XYZ, with Z: Type profiling of arguments at call; " \
"Y: Type profiling of return value at call; " \
"X: Type profiling of parameters to methods; " \
"X, Y and Z in 0=off ; 1=jsr292 only; 2=all methods") \
\
product(intx, TypeProfileArgsLimit, 2, \
"max number of call arguments to consider for type profiling") \
\
product(intx, TypeProfileParmsLimit, 2, \
"max number of incoming parameters to consider for type profiling"\
", -1 for all") \
\
/* statistics */ \
develop(bool, CountCompiledCalls, false, \
"Count method invocations") \