diff options
| author | Ulf Hermann <ulf.hermann@qt.io> | 2021-06-16 13:49:17 +0200 |
|---|---|---|
| committer | Ulf Hermann <ulf.hermann@qt.io> | 2021-06-17 09:02:08 +0200 |
| commit | 636481a31110f1819efaf6500b25fbc395854311 (patch) | |
| tree | 439fbb3790833c90629d78db80e9157f2d9ad4c8 /src/qml/jit | |
| parent | 733bb4366e6a59dcfd7be0b33e1ac885eb76e13c (diff) | |
Avoid undefined behavior in the JIT
We need to add an entry to all the RegisterID enums, so that we can mark
a RegisterID as invalid.
Pick-to: 6.2
Task-number: QTBUG-94068
Change-Id: I5c13b271eade50fd63327612514ba7ebe33a5c39
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
Diffstat (limited to 'src/qml/jit')
| -rw-r--r-- | src/qml/jit/qv4assemblercommon_p.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/qml/jit/qv4assemblercommon_p.h b/src/qml/jit/qv4assemblercommon_p.h index 63a88f287f..c91a61a0a7 100644 --- a/src/qml/jit/qv4assemblercommon_p.h +++ b/src/qml/jit/qv4assemblercommon_p.h @@ -73,7 +73,7 @@ class PlatformAssembler_X86_64_SysV : public JSC::MacroAssembler<JSC::MacroAssem public: static constexpr int NativeStackAlignment = 16; - static const RegisterID NoRegister = RegisterID(-1); + static const RegisterID NoRegister = RegisterID::none; static const RegisterID ReturnValueRegister = RegisterID::eax; static const RegisterID ReturnValueRegisterValue = ReturnValueRegister; @@ -160,7 +160,7 @@ typedef PlatformAssembler_X86_64_SysV PlatformAssemblerBase; class PlatformAssembler_Win64 : public JSC::MacroAssembler<JSC::MacroAssemblerX86_64> { public: - static const RegisterID NoRegister = RegisterID(-1); + static const RegisterID NoRegister = RegisterID::none; static const RegisterID ReturnValueRegister = RegisterID::eax; static const RegisterID ReturnValueRegisterValue = ReturnValueRegister; @@ -250,7 +250,7 @@ typedef PlatformAssembler_Win64 PlatformAssemblerBase; class PlatformAssembler_X86_All : public JSC::MacroAssembler<JSC::MacroAssemblerX86> { public: - static const RegisterID NoRegister = RegisterID(-1); + static const RegisterID NoRegister = RegisterID::none; static const RegisterID ReturnValueRegisterValue = RegisterID::eax; static const RegisterID ReturnValueRegisterTag = RegisterID::edx; @@ -340,7 +340,7 @@ typedef PlatformAssembler_X86_All PlatformAssemblerBase; class PlatformAssembler_ARM64 : public JSC::MacroAssembler<JSC::MacroAssemblerARM64> { public: - static const RegisterID NoRegister = RegisterID(-1); + static const RegisterID NoRegister = RegisterID::none; static const RegisterID ReturnValueRegister = JSC::ARM64Registers::x0; static const RegisterID ReturnValueRegisterValue = ReturnValueRegister; @@ -439,7 +439,7 @@ typedef PlatformAssembler_ARM64 PlatformAssemblerBase; class PlatformAssembler_ARM32 : public JSC::MacroAssembler<JSC::MacroAssemblerARMv7> { public: - static const RegisterID NoRegister = RegisterID(-1); + static const RegisterID NoRegister = RegisterID::none; static const RegisterID ReturnValueRegisterValue = JSC::ARMRegisters::r0; static const RegisterID ReturnValueRegisterTag = JSC::ARMRegisters::r1; |