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8326385: [aarch64] C2: lightweight locking nodes kill the box register without specifying this effect

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Reviewed-by: aboldtch, dlong
This commit is contained in:
Roberto Castañeda Lozano 2024-03-13 08:14:36 +00:00
parent cc9a8aba67
commit 07acc0bbad
1 changed files with 8 additions and 8 deletions
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16
src/hotspot/cpu/aarch64/aarch64.ad
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@ -16019,33 +16019,33 @@ instruct cmpFastUnlock(rFlagsReg cr, iRegP object, iRegP box, iRegPNoSp tmp, iRe
ins_pipe(pipe_serial);
%}
instruct cmpFastLockLightweight(rFlagsReg cr, iRegP object, iRegP box, iRegPNoSp tmp, iRegPNoSp tmp2)
instruct cmpFastLockLightweight(rFlagsReg cr, iRegP object, iRegP box, iRegPNoSp tmp, iRegPNoSp tmp2, iRegPNoSp tmp3)
%{
predicate(LockingMode == LM_LIGHTWEIGHT);
match(Set cr (FastLock object box));
effect(TEMP tmp, TEMP tmp2);
effect(TEMP tmp, TEMP tmp2, TEMP tmp3);
ins_cost(5 * INSN_COST);
format %{ "fastlock $object,$box\t! kills $tmp,$tmp2" %}
format %{ "fastlock $object,$box\t! kills $tmp,$tmp2,$tmp3" %}
ins_encode %{
__ fast_lock_lightweight($object$$Register, $box$$Register, $tmp$$Register, $tmp2$$Register);
__ fast_lock_lightweight($object$$Register, $tmp$$Register, $tmp2$$Register, $tmp3$$Register);
%}
ins_pipe(pipe_serial);
%}
instruct cmpFastUnlockLightweight(rFlagsReg cr, iRegP object, iRegP box, iRegPNoSp tmp, iRegPNoSp tmp2)
instruct cmpFastUnlockLightweight(rFlagsReg cr, iRegP object, iRegP box, iRegPNoSp tmp, iRegPNoSp tmp2, iRegPNoSp tmp3)
%{
predicate(LockingMode == LM_LIGHTWEIGHT);
match(Set cr (FastUnlock object box));
effect(TEMP tmp, TEMP tmp2);
effect(TEMP tmp, TEMP tmp2, TEMP tmp3);
ins_cost(5 * INSN_COST);
format %{ "fastunlock $object,$box\t! kills $tmp, $tmp2" %}
format %{ "fastunlock $object,$box\t! kills $tmp, $tmp2, $tmp3" %}
ins_encode %{
__ fast_unlock_lightweight($object$$Register, $box$$Register, $tmp$$Register, $tmp2$$Register);
__ fast_unlock_lightweight($object$$Register, $tmp$$Register, $tmp2$$Register, $tmp3$$Register);
%}
ins_pipe(pipe_serial);