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8204180: Implementation: JEP 318: Epsilon, A No-Op Garbage Collector

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Introduce Epsilon GC

Reviewed-by: rkennke, ihse, pliden, eosterlund, lmesnik, jgeorge, stefank
This commit is contained in:
Aleksey Shipilev 2018-06-12 15:03:00 +02:00
parent 2c389ccbac
commit a1518ac9b2
50 changed files with 2558 additions and 9 deletions
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20
src/hotspot/share/utilities/macros.hpp
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@ -149,6 +149,24 @@
#define NOT_CMSGC_RETURN_(code) { return code; }
#endif // INCLUDE_CMSGC
#ifndef INCLUDE_EPSILONGC
#define INCLUDE_EPSILONGC 1
#endif // INCLUDE_EPSILONGC
#if INCLUDE_EPSILONGC
#define EPSILONGC_ONLY(x) x
#define EPSILONGC_ONLY_ARG(arg) arg,
#define NOT_EPSILONGC(x)
#define NOT_EPSILONGC_RETURN /* next token must be ; */
#define NOT_EPSILONGC_RETURN_(code) /* next token must be ; */
#else
#define EPSILONGC_ONLY(x)
#define EPSILONGC_ONLY_ARG(arg)
#define NOT_EPSILONGC(x) x
#define NOT_EPSILONGC_RETURN {}
#define NOT_EPSILONGC_RETURN_(code) { return code; }
#endif // INCLUDE_EPSILONGC
#ifndef INCLUDE_G1GC
#define INCLUDE_G1GC 1
#endif // INCLUDE_G1GC
@ -203,7 +221,7 @@
#define NOT_SERIALGC_RETURN_(code) { return code; }
#endif // INCLUDE_SERIALGC
#if INCLUDE_CMSGC || INCLUDE_G1GC || INCLUDE_PARALLELGC
#if INCLUDE_CMSGC || INCLUDE_EPSILONGC || INCLUDE_G1GC || INCLUDE_PARALLELGC
#define INCLUDE_NOT_ONLY_SERIALGC 1
#else
#define INCLUDE_NOT_ONLY_SERIALGC 0