3822 #ifndef PRODUCT
3823 if( Verbose && PrintMiscellaneous )
3824 tty->print("[SafePoint Polling address: " INTPTR_FORMAT "]\n", (intptr_t)polling_page);
3825 #endif
3826
3827 if (!UseMembar) {
3828 address mem_serialize_page = (address)VirtualAlloc(NULL, os::vm_page_size(), MEM_RESERVE, PAGE_READWRITE);
3829 guarantee( mem_serialize_page != NULL, "Reserve Failed for memory serialize page");
3830
3831 return_page = (address)VirtualAlloc(mem_serialize_page, os::vm_page_size(), MEM_COMMIT, PAGE_READWRITE);
3832 guarantee( return_page != NULL, "Commit Failed for memory serialize page");
3833
3834 os::set_memory_serialize_page( mem_serialize_page );
3835
3836 #ifndef PRODUCT
3837 if(Verbose && PrintMiscellaneous)
3838 tty->print("[Memory Serialize Page address: " INTPTR_FORMAT "]\n", (intptr_t)mem_serialize_page);
3839 #endif
3840 }
3841
3842 os::large_page_init();
3843
3844 // Setup Windows Exceptions
3845
3846 // for debugging float code generation bugs
3847 if (ForceFloatExceptions) {
3848 #ifndef _WIN64
3849 static long fp_control_word = 0;
3850 __asm { fstcw fp_control_word }
3851 // see Intel PPro Manual, Vol. 2, p 7-16
3852 const long precision = 0x20;
3853 const long underflow = 0x10;
3854 const long overflow = 0x08;
3855 const long zero_div = 0x04;
3856 const long denorm = 0x02;
3857 const long invalid = 0x01;
3858 fp_control_word |= invalid;
3859 __asm { fldcw fp_control_word }
3860 #endif
3861 }
3862
3863 // If stack_commit_size is 0, windows will reserve the default size,
|
3822 #ifndef PRODUCT
3823 if( Verbose && PrintMiscellaneous )
3824 tty->print("[SafePoint Polling address: " INTPTR_FORMAT "]\n", (intptr_t)polling_page);
3825 #endif
3826
3827 if (!UseMembar) {
3828 address mem_serialize_page = (address)VirtualAlloc(NULL, os::vm_page_size(), MEM_RESERVE, PAGE_READWRITE);
3829 guarantee( mem_serialize_page != NULL, "Reserve Failed for memory serialize page");
3830
3831 return_page = (address)VirtualAlloc(mem_serialize_page, os::vm_page_size(), MEM_COMMIT, PAGE_READWRITE);
3832 guarantee( return_page != NULL, "Commit Failed for memory serialize page");
3833
3834 os::set_memory_serialize_page( mem_serialize_page );
3835
3836 #ifndef PRODUCT
3837 if(Verbose && PrintMiscellaneous)
3838 tty->print("[Memory Serialize Page address: " INTPTR_FORMAT "]\n", (intptr_t)mem_serialize_page);
3839 #endif
3840 }
3841
3842 // Setup Windows Exceptions
3843
3844 // for debugging float code generation bugs
3845 if (ForceFloatExceptions) {
3846 #ifndef _WIN64
3847 static long fp_control_word = 0;
3848 __asm { fstcw fp_control_word }
3849 // see Intel PPro Manual, Vol. 2, p 7-16
3850 const long precision = 0x20;
3851 const long underflow = 0x10;
3852 const long overflow = 0x08;
3853 const long zero_div = 0x04;
3854 const long denorm = 0x02;
3855 const long invalid = 0x01;
3856 fp_control_word |= invalid;
3857 __asm { fldcw fp_control_word }
3858 #endif
3859 }
3860
3861 // If stack_commit_size is 0, windows will reserve the default size,
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