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6462850: generate biased locking code in C2 ideal graph

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Inline biased locking code in C2 ideal graph during macro nodes expansion

Reviewed-by: never
This commit is contained in:
Vladimir Kozlov 2008-11-07 09:29:38 -08:00
parent 2c3b8ec969
commit 7aae40a95f
25 changed files with 472 additions and 148 deletions
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10
hotspot/src/cpu/sparc/vm/assembler_sparc.hpp
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@ -2220,9 +2220,13 @@ class MacroAssembler: public Assembler {
// These set the icc condition code to equal if the lock succeeded
// and notEqual if it failed and requires a slow case
void compiler_lock_object(Register Roop, Register Rmark, Register Rbox, Register Rscratch,
BiasedLockingCounters* counters = NULL);
void compiler_unlock_object(Register Roop, Register Rmark, Register Rbox, Register Rscratch);
void compiler_lock_object(Register Roop, Register Rmark, Register Rbox,
Register Rscratch,
BiasedLockingCounters* counters = NULL,
bool try_bias = UseBiasedLocking);
void compiler_unlock_object(Register Roop, Register Rmark, Register Rbox,
Register Rscratch,
bool try_bias = UseBiasedLocking);
// Biased locking support
// Upon entry, lock_reg must point to the lock record on the stack,