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| author | 2020-09-22 13:27:18 +0000 | |
|---|---|---|
| committer | 2020-09-23 08:05:32 +0000 | |
| commit | 9dfb1a9d642b9eb627895ef3364736fc839b4fe4 (patch) | |
| tree | 776f1e58c13f620829bde196163ebab089506d1b /compiler/utils/x86/assembler_x86.h | |
| parent | c372314fe478afe6aec5573c26bca378d686072d (diff) | |
X86: Implement VarHandle.getAndSet, getAndSetAcquire, getAndSetRelease
This commit implements VarHandle getAndSet variants. This implied adding
xchgb and xchgw instructions and tests for them.
Also, all the varType checks were moved to GenerateVarHandleCommonChecks.
Test: ART_HEAP_POISONING=true art/test.py --host -r -t 712-varhandle-invocation --32
Test: ART_HEAP_POISONING=false art/test.py --host -r -t 712-varhandle-invocation --32
Test: ART_USE_READ_BARRIER=true art/test.py --host -r -t 712-varhandle-invocation --32
Test: ART_USE_READ_BARRIER=false art/test.py --host -r -t 712-varhandle-invocation --32
Test: m test-art-host-gtest
Bug: 65872996
Change-Id: I675f47e1dbb51a5ece42f20ad8ce552cfef63ffe
Diffstat (limited to 'compiler/utils/x86/assembler_x86.h')
| -rw-r--r-- | compiler/utils/x86/assembler_x86.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/utils/x86/assembler_x86.h b/compiler/utils/x86/assembler_x86.h index 3dfeecb5b7..a9050e6df1 100644 --- a/compiler/utils/x86/assembler_x86.h +++ b/compiler/utils/x86/assembler_x86.h @@ -695,6 +695,10 @@ class X86Assembler final : public Assembler { void fptan(); void fprem(); + void xchgb(ByteRegister reg, const Address& address); + void xchgb(Register reg, const Address& address); + void xchgw(Register reg, const Address& address); + void xchgl(Register dst, Register src); void xchgl(Register reg, const Address& address); |