1.1 --- a/src/cpu/x86/vm/globals_x86.hpp Tue Mar 25 12:54:21 2014 -0700
1.2 +++ b/src/cpu/x86/vm/globals_x86.hpp Tue Mar 25 17:07:36 2014 -0700
1.3 @@ -129,11 +129,53 @@
1.4 product(bool, UseFastStosb, false, \
1.5 "Use fast-string operation for zeroing: rep stosb") \
1.6 \
1.7 + /* Use Restricted Transactional Memory for lock eliding */ \
1.8 + experimental(bool, UseRTMLocking, false, \
1.9 + "Enable RTM lock eliding for inflated locks in compiled code") \
1.10 + \
1.11 + experimental(bool, UseRTMForStackLocks, false, \
1.12 + "Enable RTM lock eliding for stack locks in compiled code") \
1.13 + \
1.14 + experimental(bool, UseRTMDeopt, false, \
1.15 + "Perform deopt and recompilation based on RTM abort ratio") \
1.16 + \
1.17 + experimental(uintx, RTMRetryCount, 5, \
1.18 + "Number of RTM retries on lock abort or busy") \
1.19 + \
1.20 + experimental(intx, RTMSpinLoopCount, 100, \
1.21 + "Spin count for lock to become free before RTM retry") \
1.22 + \
1.23 + experimental(intx, RTMAbortThreshold, 1000, \
1.24 + "Calculate abort ratio after this number of aborts") \
1.25 + \
1.26 + experimental(intx, RTMLockingThreshold, 10000, \
1.27 + "Lock count at which to do RTM lock eliding without " \
1.28 + "abort ratio calculation") \
1.29 + \
1.30 + experimental(intx, RTMAbortRatio, 50, \
1.31 + "Lock abort ratio at which to stop use RTM lock eliding") \
1.32 + \
1.33 + experimental(intx, RTMTotalCountIncrRate, 64, \
1.34 + "Increment total RTM attempted lock count once every n times") \
1.35 + \
1.36 + experimental(intx, RTMLockingCalculationDelay, 0, \
1.37 + "Number of milliseconds to wait before start calculating aborts " \
1.38 + "for RTM locking") \
1.39 + \
1.40 + experimental(bool, UseRTMXendForLockBusy, false, \
1.41 + "Use RTM Xend instead of Xabort when lock busy") \
1.42 + \
1.43 /* assembler */ \
1.44 product(bool, Use486InstrsOnly, false, \
1.45 "Use 80486 Compliant instruction subset") \
1.46 \
1.47 product(bool, UseCountLeadingZerosInstruction, false, \
1.48 "Use count leading zeros instruction") \
1.49 + \
1.50 + product(bool, UseCountTrailingZerosInstruction, false, \
1.51 + "Use count trailing zeros instruction") \
1.52 + \
1.53 + product(bool, UseBMI1Instructions, false, \
1.54 + "Use BMI instructions")
1.55
1.56 #endif // CPU_X86_VM_GLOBALS_X86_HPP
