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8087333: Optionally Pre-Generate the HotSpot Template Interpreter

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Optional support for pregenerated template interpreter

Reviewed-by: coleenp, dholmes, kvn
This commit is contained in:
Bertrand Delsart 2015-07-01 10:53:26 +02:00
parent a7f0956201
commit 5aec2dc9fc
39 changed files with 716 additions and 257 deletions
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7
hotspot/src/share/vm/runtime/stubRoutines.cpp
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@ -24,6 +24,7 @@
#include "precompiled.hpp"
#include "asm/codeBuffer.hpp"
#include "code/codeCacheExtensions.hpp"
#include "memory/resourceArea.hpp"
#include "oops/oop.inline.hpp"
#include "runtime/interfaceSupport.hpp"
@ -182,6 +183,12 @@ typedef void (*arraycopy_fn)(address src, address dst, int count);
// simple tests of generated arraycopy functions
static void test_arraycopy_func(address func, int alignment) {
if (CodeCacheExtensions::use_pregenerated_interpreter() || !CodeCacheExtensions::is_executable(func)) {
// Exit safely if stubs were generated but cannot be used.
// Also excluding pregenerated interpreter since the code may depend on
// some registers being properly initialized (for instance Rthread)
return;
}
int v = 0xcc;
int v2 = 0x11;
jlong lbuffer[8];