archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-16 17:14:41 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

6953144: Tiered compilation

Browse source 
Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation.

Reviewed-by: kvn, never, phh, twisti
This commit is contained in:
Igor Veresov 2010-09-03 17:51:07 -07:00
parent 6e78f6cb4b
commit 2c66a6c3fd
104 changed files with 7720 additions and 1701 deletions
Download patch file Download diff file Expand all files Collapse all files

26
hotspot/src/share/vm/c1/c1_Compilation.hpp
View file

@ -69,6 +69,7 @@ class Compilation: public StackObj {
bool _has_exception_handlers;
bool _has_fpu_code;
bool _has_unsafe_access;
bool _would_profile;
bool _has_method_handle_invokes; // True if this method has MethodHandle invokes.
const char* _bailout_msg;
ExceptionInfoList* _exception_info_list;
@ -143,6 +144,7 @@ class Compilation: public StackObj {
void set_has_exception_handlers(bool f) { _has_exception_handlers = f; }
void set_has_fpu_code(bool f) { _has_fpu_code = f; }
void set_has_unsafe_access(bool f) { _has_unsafe_access = f; }
void set_would_profile(bool f) { _would_profile = f; }
// Add a set of exception handlers covering the given PC offset
void add_exception_handlers_for_pco(int pco, XHandlers* exception_handlers);
// Statistics gathering
@ -202,6 +204,30 @@ class Compilation: public StackObj {
void compile_only_this_scope(outputStream* st, IRScope* scope);
void exclude_this_method();
#endif // PRODUCT
bool is_profiling() {
return env()->comp_level() == CompLevel_full_profile ||
env()->comp_level() == CompLevel_limited_profile;
}
bool count_invocations() { return is_profiling(); }
bool count_backedges() { return is_profiling(); }
// Helpers for generation of profile information
bool profile_branches() {
return env()->comp_level() == CompLevel_full_profile &&
C1UpdateMethodData && C1ProfileBranches;
}
bool profile_calls() {
return env()->comp_level() == CompLevel_full_profile &&
C1UpdateMethodData && C1ProfileCalls;
}
bool profile_inlined_calls() {
return profile_calls() && C1ProfileInlinedCalls;
}
bool profile_checkcasts() {
return env()->comp_level() == CompLevel_full_profile &&
C1UpdateMethodData && C1ProfileCheckcasts;
}
};