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comparison src/share/vm/opto/runtime.hpp @ 1027:39b01ab7035a

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6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning 6889757: G1: enable card mark elision for initializing writes from compiled code (ReduceInitialCardMarks) Summary: Defer the (compiler-elided) card-mark upon a slow-path allocation until after the store and before the next subsequent safepoint; G1 now answers yes to can_elide_tlab_write_barriers(). Reviewed-by: jcoomes, kvn, never
author ysr
date Fri, 16 Oct 2009 02:05:46 -0700
parents 37f87013dfd8
children 7b0e9cba0307
comparison
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1025:1ee412f7fec9 1027:39b01ab7035a
131 static void new_instance_C(klassOopDesc* instance_klass, JavaThread *thread); 131 static void new_instance_C(klassOopDesc* instance_klass, JavaThread *thread);
132 132
133 // Allocate storage for a objArray or typeArray 133 // Allocate storage for a objArray or typeArray
134 static void new_array_C(klassOopDesc* array_klass, int len, JavaThread *thread); 134 static void new_array_C(klassOopDesc* array_klass, int len, JavaThread *thread);
135 135
136 // Post-allocation step for implementing ReduceInitialCardMarks: 136 // Post-slow-path-allocation step for implementing ReduceInitialCardMarks:
137 static void do_eager_card_mark(JavaThread* thread); 137 static void maybe_defer_card_mark(JavaThread* thread);
138 138
139 // Allocate storage for a multi-dimensional arrays 139 // Allocate storage for a multi-dimensional arrays
140 // Note: needs to be fixed for arbitrary number of dimensions 140 // Note: needs to be fixed for arbitrary number of dimensions
141 static void multianewarray2_C(klassOopDesc* klass, int len1, int len2, JavaThread *thread); 141 static void multianewarray2_C(klassOopDesc* klass, int len1, int len2, JavaThread *thread);
142 static void multianewarray3_C(klassOopDesc* klass, int len1, int len2, int len3, JavaThread *thread); 142 static void multianewarray3_C(klassOopDesc* klass, int len1, int len2, int len3, JavaThread *thread);