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8188764: Obsolete AssumeMP and then remove all support for non-MP builds

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Reviewed-by: mikael, mdoerr, bulasevich, eosterlund
This commit is contained in:
David Holmes 2018-10-03 03:41:57 -04:00
parent 5cfc3bbdd4
commit a3cd6a1a70
52 changed files with 465 additions and 774 deletions
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4
src/hotspot/cpu/x86/interp_masm_x86.cpp
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@ -1191,7 +1191,7 @@ void InterpreterMacroAssembler::lock_object(Register lock_reg) {
assert(lock_offset == 0,
"displaced header must be first word in BasicObjectLock");
if (os::is_MP()) lock();
lock();
cmpxchgptr(lock_reg, Address(obj_reg, oopDesc::mark_offset_in_bytes()));
if (PrintBiasedLockingStatistics) {
cond_inc32(Assembler::zero,
@ -1288,7 +1288,7 @@ void InterpreterMacroAssembler::unlock_object(Register lock_reg) {
jcc(Assembler::zero, done);
// Atomic swap back the old header
if (os::is_MP()) lock();
lock();
cmpxchgptr(header_reg, Address(obj_reg, oopDesc::mark_offset_in_bytes()));
// zero for simple unlock of a stack-lock case