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comparison src/share/vm/utilities/globalDefinitions.hpp @ 17780:606acabe7b5c

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8031320: Use Intel RTM instructions for locks Summary: Use RTM for inflated locks and stack locks. Reviewed-by: iveresov, twisti, roland, dcubed
author kvn
date Thu, 20 Mar 2014 17:49:27 -0700
parents 610be0309a79
children 62c54fcc0a35
comparison
equal deleted inserted replaced
17778:a48e16541e6b 17780:606acabe7b5c
367 367
368 // Klass encoding metaspace max size 368 // Klass encoding metaspace max size
369 const uint64_t KlassEncodingMetaspaceMax = (uint64_t(max_juint) + 1) << LogKlassAlignmentInBytes; 369 const uint64_t KlassEncodingMetaspaceMax = (uint64_t(max_juint) + 1) << LogKlassAlignmentInBytes;
370 370
371 // Machine dependent stuff 371 // Machine dependent stuff
372
373 #if defined(X86) && defined(COMPILER2) && !defined(JAVASE_EMBEDDED)
374 // Include Restricted Transactional Memory lock eliding optimization
375 #define INCLUDE_RTM_OPT 1
376 #define RTM_OPT_ONLY(code) code
377 #else
378 #define INCLUDE_RTM_OPT 0
379 #define RTM_OPT_ONLY(code)
380 #endif
381 // States of Restricted Transactional Memory usage.
382 enum RTMState {
383 NoRTM = 0x2, // Don't use RTM
384 UseRTM = 0x1, // Use RTM
385 ProfileRTM = 0x0 // Use RTM with abort ratio calculation
386 };
372 387
373 #ifdef TARGET_ARCH_x86 388 #ifdef TARGET_ARCH_x86
374 # include "globalDefinitions_x86.hpp" 389 # include "globalDefinitions_x86.hpp"
375 #endif 390 #endif
376 #ifdef TARGET_ARCH_sparc 391 #ifdef TARGET_ARCH_sparc