[gem5-users] Compile error on x86

[小豆豆]

Hi
I am receiving some errors while trying to compile the latest stable version
on my x86 machine.

scons build/X86_FS/gem5.opt
------------
build/X86_FS/arch/x86/decoder.cc: In function 'StaticInstPtr
X86ISAInst::{anonymous}::generate_Sll_0(StaticInstPtr)':
build/X86_FS/arch/x86/decoder.cc:6542:42: error: uninitialized const
'dummyExtMachInst' [-fpermissive]
build/X86_FS/arch/x86/types.hh:131:12: note: 'const struct
X86ISA::ExtMachInst' has no user-provided default constructor
build/X86_FS/arch/x86/decoder.cc: In function 'StaticInstPtr
X86ISAInst::{anonymous}::generate_Ld_1(StaticInstPtr)':
build/X86_FS/arch/x86/decoder.cc:6568:42: error: uninitialized const
'dummyExtMachInst' [-fpermissive]
build/X86_FS/arch/x86/types.hh:131:12: note: 'const struct
X86ISA::ExtMachInst' has no user-provided default constructor
build/X86_FS/arch/x86/decoder.cc: In function 'StaticInstPtr
X86ISAInst::{anonymous}::generate_Ld_2(StaticInstPtr)':
build/X86_FS/arch/x86/decoder.cc:6596:42: error: uninitialized const
'dummyExtMachInst' [-fpermissive]
build/X86_FS/arch/x86/types.hh:131:12: note: 'const struct
X86ISA::ExtMachInst' has no user-provided default constructor
build/X86_FS/arch/x86/decoder.cc: In function 'StaticInstPtr
X86ISAInst::{anonymous}::generate_Chks_3(StaticInstPtr)':
build/X86_FS/arch/x86/decoder.cc:6624:42: error: uninitialized const
'dummyExtMachInst' [-fpermissive]
build/X86_FS/arch/x86/types.hh:131:12: note: 'const struct
X86ISA::ExtMachInst' has no user-provided default constructor
build/X86_FS/arch/x86/decoder.cc: In function 'StaticInstPtr
X86ISAInst::{anonymous}::generate_Srl_4(StaticInstPtr)':
build/X86_FS/arch/x86/decoder.cc:6644:42: error: uninitialized const
'dummyExtMachInst' [-fpermissive]
build/X86_FS/arch/x86/types.hh:131:12: note: 'const struct
X86ISA::ExtMachInst' has no user-provided default constructor
build/X86_FS/arch/x86/decoder.cc: In function 'StaticInstPtr
X86ISAInst::{anonymous}::generate_And_5(StaticInstPtr)':
build/X86_FS/arch/x86/decoder.cc:6670:42: error: uninitialized const
'dummyExtMachInst' [-fpermissive]
...........
------------
Archlinux x86_64
gcc version 4.6.0
scons v2.0.1
SWIG Version 2.0.4
Python 3.2

here src/arch/x86/isa/microops/base.isa:62
                static const ExtMachInst dummyExtMachInst;
-- 
Sincerely,
Gong Tao
没有选择刻意忘记你，是我认为自己做得最正确的一件事

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