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8339627: Cleanup Unsafe.setMemory intrinsic code

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Reviewed-by: tschatzl, fbredberg
This commit is contained in:
Johan Sjölen 2024-09-16 09:13:37 +00:00
parent a4eb9a063f
commit 545951889c
2 changed files with 1 additions and 4 deletions
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3
src/hotspot/cpu/x86/stubGenerator_x86_64_arraycopy.cpp
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@ -2627,7 +2627,6 @@ address StubGenerator::generate_unsafe_setmemory(const char *name,
// Fill words
{
Label L_wordsTail, L_wordsLoop, L_wordsTailLoop;
UnsafeMemoryAccessMark umam(this, true, true);
// At this point, we know the lower bit of size is zero and a
@ -2641,7 +2640,6 @@ address StubGenerator::generate_unsafe_setmemory(const char *name,
// Fill QUADWORDs
{
Label L_qwordLoop, L_qwordsTail, L_qwordsTailLoop;
UnsafeMemoryAccessMark umam(this, true, true);
// At this point, we know the lower 3 bits of size are zero and a
@ -2658,7 +2656,6 @@ address StubGenerator::generate_unsafe_setmemory(const char *name,
// Fill DWORDs
{
Label L_dwordLoop, L_dwordsTail, L_dwordsTailLoop;
UnsafeMemoryAccessMark umam(this, true, true);
// At this point, we know the lower 2 bits of size are zero and a

2
src/hotspot/share/runtime/stubRoutines.hpp
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@ -404,7 +404,7 @@ class StubRoutines: AllStatic {
static address unsafe_setmemory() { return _unsafe_setmemory; }
typedef void (*UnsafeSetMemoryStub)(const void* src, size_t count, char byte);
typedef void (*UnsafeSetMemoryStub)(void* dst, size_t count, char byte);
static UnsafeSetMemoryStub UnsafeSetMemory_stub() { return CAST_TO_FN_PTR(UnsafeSetMemoryStub, _unsafe_setmemory); }
static address generic_arraycopy() { return _generic_arraycopy; }