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8015774: Add support for multiple code heaps

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Support for segmentation of the code cache. Separate code heaps are created and used to store code of different types.

Reviewed-by: kvn, iveresov, roland, anoll, egahlin, sla
This commit is contained in:
Tobias Hartmann 2014-09-17 08:00:07 +02:00
parent b2620f89c3
commit cd01de591a
51 changed files with 1756 additions and 680 deletions
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7
hotspot/src/share/vm/opto/c2compiler.cpp
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@ -24,7 +24,9 @@
#include "precompiled.hpp"
#include "opto/c2compiler.hpp"
#include "opto/compile.hpp"
#include "opto/optoreg.hpp"
#include "opto/output.hpp"
#include "opto/runtime.hpp"
// register information defined by ADLC
@ -147,3 +149,8 @@ void C2Compiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci) {
void C2Compiler::print_timers() {
// do nothing
}
int C2Compiler::initial_code_buffer_size() {
assert(SegmentedCodeCache, "Should be only used with a segmented code cache");
return Compile::MAX_inst_size + Compile::MAX_locs_size + initial_const_capacity;
}