Mercurial > hg > truffle
diff src/share/vm/runtime/sharedRuntime.hpp @ 6792:137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
Summary: Save whole XMM/YMM registers in safepoint interrupt handler.
Reviewed-by: roland, twisti
| author | kvn |
|---|---|
| date | Mon, 17 Sep 2012 19:39:07 -0700 |
| parents | 2cb2f30450c7 |
| children | e522a00b91aa db9981fd3124 |
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--- a/src/share/vm/runtime/sharedRuntime.hpp Mon Sep 17 17:02:10 2012 -0700 +++ b/src/share/vm/runtime/sharedRuntime.hpp Mon Sep 17 19:39:07 2012 -0700 @@ -62,6 +62,7 @@ static DeoptimizationBlob* _deopt_blob; + static SafepointBlob* _polling_page_vectors_safepoint_handler_blob; static SafepointBlob* _polling_page_safepoint_handler_blob; static SafepointBlob* _polling_page_return_handler_blob; @@ -75,7 +76,8 @@ #endif // !PRODUCT private: - static SafepointBlob* generate_handler_blob(address call_ptr, bool cause_return); + enum { POLL_AT_RETURN, POLL_AT_LOOP, POLL_AT_VECTOR_LOOP }; + static SafepointBlob* generate_handler_blob(address call_ptr, int poll_type); static RuntimeStub* generate_resolve_blob(address destination, const char* name); public: @@ -223,6 +225,7 @@ static SafepointBlob* polling_page_return_handler_blob() { return _polling_page_return_handler_blob; } static SafepointBlob* polling_page_safepoint_handler_blob() { return _polling_page_safepoint_handler_blob; } + static SafepointBlob* polling_page_vectors_safepoint_handler_blob() { return _polling_page_vectors_safepoint_handler_blob; } // Counters #ifndef PRODUCT @@ -416,6 +419,10 @@ // when an interrupt occurs. static uint out_preserve_stack_slots(); + // Is vector's size (in bytes) bigger than a size saved by default? + // For example, on x86 16 bytes XMM registers are saved by default. + static bool is_wide_vector(int size); + // Save and restore a native result static void save_native_result(MacroAssembler *_masm, BasicType ret_type, int frame_slots ); static void restore_native_result(MacroAssembler *_masm, BasicType ret_type, int frame_slots );