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src/cpu/x86/vm/macroAssembler_x86.cpp
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*** 37,46 ****
--- 37,47 ----
#include "runtime/interfaceSupport.hpp"
#include "runtime/objectMonitor.hpp"
#include "runtime/os.hpp"
#include "runtime/sharedRuntime.hpp"
#include "runtime/stubRoutines.hpp"
+ #include "runtime/thread.hpp"
#include "utilities/macros.hpp"
#if INCLUDE_ALL_GCS
#include "gc/g1/g1CollectedHeap.inline.hpp"
#include "gc/g1/g1SATBCardTableModRefBS.hpp"
#include "gc/g1/heapRegion.hpp"
*** 9753,9757 ****
--- 9754,9798 ----
}
SkipIfEqual::~SkipIfEqual() {
_masm->bind(_label);
}
+
+ // 32-bit Windows has its own fast-path implementation
+ // of get_thread
+ #if !defined(WIN32) || defined(_LP64)
+
+ // This is simply a call to Thread::current()
+ void MacroAssembler::get_thread(Register thread) {
+ if (thread != rax) {
+ push(rax);
+ }
+ LP64_ONLY(push(rdi);)
+ LP64_ONLY(push(rsi);)
+ push(rdx);
+ push(rcx);
+ #ifdef _LP64
+ push(r8);
+ push(r9);
+ push(r10);
+ push(r11);
+ #endif
+
+ call_VM_leaf_base(CAST_FROM_FN_PTR(address, Thread::current), 0);
+
+ #ifdef _LP64
+ pop(r11);
+ pop(r10);
+ pop(r9);
+ pop(r8);
+ #endif
+ pop(rcx);
+ pop(rdx);
+ LP64_ONLY(pop(rsi);)
+ LP64_ONLY(pop(rdi);)
+ if (thread != rax) {
+ mov(thread, rax);
+ pop(rax);
+ }
+ }
+
+ #endif
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