[9] RFR[XS] 8166096: variable tracking size limit exceeded in jvmciCompilerToVM.cpp

[Vladimir Kozlov]

Thank you, David, for review.

I don't think we can do anything more here. It is number of intrinsics which overflow some internal buffer related to 
var-tracking-assignments in gcc during compilation:

   VM_INTRINSICS_DO(VM_INTRINSIC_INFO, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE)

Thanks,
Vladimir

On 9/18/16 10:01 PM, David Holmes wrote:
> On 17/09/2016 11:17 AM, Vladimir Kozlov wrote:
>> https://bugs.openjdk.java.net/browse/JDK-8166096
>>
>> +++ b/make/lib/JvmOverrideFiles.gmk    Fri Sep 16 18:14:06 2016 -0700
>> @@ -31,6 +31,7 @@
>>
>>  ifeq ($(TOOLCHAIN_TYPE), gcc)
>>    BUILD_LIBJVM_vmStructs.cpp_CXXFLAGS := -fno-var-tracking-assignments -O0
>> +  BUILD_LIBJVM_jvmciCompilerToVM.cpp_CXXFLAGS :=
>> -fno-var-tracking-assignments
>>  endif
>>
>>  ifeq ($(OPENJDK_TARGET_OS), linux)
>>
>>
>> Remove annoying Hotspot compilation warning:
>
> Seems reasonable as a short term silencer, but ... does it imply the code needs to be changed somehow?
>
> Thanks,
> David
>
>> hotspot/src/share/vm/jvmci/jvmciCompilerToVM.cpp: In static member
>> function 'static objArrayHandle
>> CompilerToVM::initialize_intrinsics(Thread*)':
>> hotspot/src/share/vm/jvmci/jvmciCompilerToVM.cpp:206:16: note: variable
>> tracking size limit exceeded with -fvar-tracking-assignments, retrying
>> without
>>  objArrayHandle CompilerToVM::initialize_intrinsics(TRAPS) {
>>
>> Thanks,
>> Vladimir