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comparison src/cpu/x86/vm/x86_32.ad @ 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 8a8ff6b577ed
children 62c54fcc0a35
comparison
equal deleted inserted replaced
17778:a48e16541e6b 17780:606acabe7b5c
12913 ins_pipe( pipe_jmp ); 12913 ins_pipe( pipe_jmp );
12914 %} 12914 %}
12915 12915
12916 // inlined locking and unlocking 12916 // inlined locking and unlocking
12917 12917
12918 instruct cmpFastLockRTM(eFlagsReg cr, eRegP object, eBXRegP box, eAXRegI tmp, eDXRegI scr, rRegI cx1, rRegI cx2) %{
12919 predicate(Compile::current()->use_rtm());
12920 match(Set cr (FastLock object box));
12921 effect(TEMP tmp, TEMP scr, TEMP cx1, TEMP cx2, USE_KILL box);
12922 ins_cost(300);
12923 format %{ "FASTLOCK $object,$box\t! kills $box,$tmp,$scr,$cx1,$cx2" %}
12924 ins_encode %{
12925 __ fast_lock($object$$Register, $box$$Register, $tmp$$Register,
12926 $scr$$Register, $cx1$$Register, $cx2$$Register,
12927 _counters, _rtm_counters, _stack_rtm_counters,
12928 ((Method*)(ra_->C->method()->constant_encoding()))->method_data(),
12929 true, ra_->C->profile_rtm());
12930 %}
12931 ins_pipe(pipe_slow);
12932 %}
12933
12918 instruct cmpFastLock(eFlagsReg cr, eRegP object, eBXRegP box, eAXRegI tmp, eRegP scr) %{ 12934 instruct cmpFastLock(eFlagsReg cr, eRegP object, eBXRegP box, eAXRegI tmp, eRegP scr) %{
12935 predicate(!Compile::current()->use_rtm());
12919 match(Set cr (FastLock object box)); 12936 match(Set cr (FastLock object box));
12920 effect(TEMP tmp, TEMP scr, USE_KILL box); 12937 effect(TEMP tmp, TEMP scr, USE_KILL box);
12921 ins_cost(300); 12938 ins_cost(300);
12922 format %{ "FASTLOCK $object,$box\t! kills $box,$tmp,$scr" %} 12939 format %{ "FASTLOCK $object,$box\t! kills $box,$tmp,$scr" %}
12923 ins_encode %{ 12940 ins_encode %{
12924 __ fast_lock($object$$Register, $box$$Register, $tmp$$Register, $scr$$Register, _counters); 12941 __ fast_lock($object$$Register, $box$$Register, $tmp$$Register,
12942 $scr$$Register, noreg, noreg, _counters, NULL, NULL, NULL, false, false);
12925 %} 12943 %}
12926 ins_pipe(pipe_slow); 12944 ins_pipe(pipe_slow);
12927 %} 12945 %}
12928 12946
12929 instruct cmpFastUnlock(eFlagsReg cr, eRegP object, eAXRegP box, eRegP tmp ) %{ 12947 instruct cmpFastUnlock(eFlagsReg cr, eRegP object, eAXRegP box, eRegP tmp ) %{
12930 match(Set cr (FastUnlock object box)); 12948 match(Set cr (FastUnlock object box));
12931 effect(TEMP tmp, USE_KILL box); 12949 effect(TEMP tmp, USE_KILL box);
12932 ins_cost(300); 12950 ins_cost(300);
12933 format %{ "FASTUNLOCK $object,$box\t! kills $box,$tmp" %} 12951 format %{ "FASTUNLOCK $object,$box\t! kills $box,$tmp" %}
12934 ins_encode %{ 12952 ins_encode %{
12935 __ fast_unlock($object$$Register, $box$$Register, $tmp$$Register); 12953 __ fast_unlock($object$$Register, $box$$Register, $tmp$$Register, ra_->C->use_rtm());
12936 %} 12954 %}
12937 ins_pipe(pipe_slow); 12955 ins_pipe(pipe_slow);
12938 %} 12956 %}
12939 12957
12940 12958