It is plausible. Codegen should use the the `ppc/register-ppc.h` instead of the `x64/register-x64.h` so there might be changes needed to be done to get codegen look up the right architecture.
On Tuesday, September 12, 2023 at 3:45:45 PM UTC+10 jgr...@chromium.org wrote: > Codegen is attempting to use a register that is not available (it is not > part of the allocatable register list > <https://source.chromium.org/chromium/chromium/src/+/main:v8/src/codegen/x64/register-x64.h;l=31;drc=5ca8523b8c9ff9a7b3e7eb349d8fc7566f660675>). > Perhaps > it's trying to satisfy an invalid register assignment request from > interface-descriptors? > > On Tue, Sep 12, 2023 at 7:42 AM Trung Le <8...@tle.id.au> wrote: > >> I can tell it could be related or similar to that of reported in >> https://groups.google.com/g/v8-users/c/cRb9nQUFerY >> >> On Tuesday, September 12, 2023 at 2:13:31 PM UTC+10 Trung Le wrote: >> >>> Hi all developers and core team members >>> >>> I am writing to you in hope someone would be able to provide guidance so >>> I could understand and hopefully fix the following issue when compiling >>> >>> v8_enable_debugging_features=true >>> is_debug=true >>> target_cpu = "ppc64" >>> v8_target_cpu = "ppc64" >>> use_goma = false >>> is_clang = true >>> v8_static_library=false >>> is_component_build = true >>> use_custom_libcxx = false >>> v8_optimized_debug = false >>> symbol_level = 2 >>> v8_expose_symbols = true >>> >>> I know ppc64le target is not supported but worth a shot in a dark as >>> someone might have seen similar issue on x86_64 or arm64 >>> >>> FYI the patches for support ppc64le can be found at >>> https://src.fedoraproject.org/rpms/chromium/pull-request/37 >>> >>> FAILED: gen/v8/embedded.S gen/v8/snapshot.cc >>> /usr/bin/python3 ../../v8/tools/run.py ./mksnapshot >>> --turbo_instruction_scheduling --target_os=linux --target_arch=ppc64 >>> --embedded_src gen/v8/embedded.S --embedded_variant Default --random-seed >>> 314159265 --startup_src gen/v8/snapshot.cc --native-code-counters >>> --verify-heap >>> >>> # Fatal error in ../../v8/src/compiler/backend/register-allocator.cc, >>> line 1596 >>> # Debug check failed: data()->config()->IsAllocatableGeneralCode( >>> operand->fixed_register_index()). >>> # >>> #FailureMessage Object: 0x7fffeae028d8 >>> ==== C stack trace =============================== >>> >>> ./mksnapshot(v8::base::debug::StackTrace::StackTrace()+0x2c) >>> [0x104c5fa9c] >>> ./mksnapshot(+0x4acdb20) [0x104c5db20] >>> ./mksnapshot(V8_Fatal(char const*, int, char const*, ...)+0x124) >>> [0x104c3a054] >>> ./mksnapshot(+0x4aa989c) [0x104c3989c] >>> ./mksnapshot(V8_Dcheck(char const*, int, char const*)+0x30) >>> [0x104c3a0b0] >>> >>> ./mksnapshot(v8::internal::compiler::ConstraintBuilder::AllocateFixed(v8::internal::compiler::UnallocatedOperand*, >>> >>> int, bool, bool)+0x204) [0x10342fcc4] >>> >>> ./mksnapshot(v8::internal::compiler::ConstraintBuilder::MeetConstraintsBefore(int)+0x610) >>> >>> [0x1034308d0] >>> >>> ./mksnapshot(v8::internal::compiler::ConstraintBuilder::MeetRegisterConstraints(v8::internal::compiler::InstructionBlock >>> >>> const*)+0xe0) [0x103430230] >>> >>> ./mksnapshot(v8::internal::compiler::ConstraintBuilder::MeetRegisterConstraints()+0x70) >>> >>> [0x103430110] >>> >>> ./mksnapshot(v8::internal::compiler::MeetRegisterConstraintsPhase::Run(v8::internal::compiler::PipelineData*, >>> >>> v8::internal::Zone*)+0x60) [0x103831b20] >>> ./mksnapshot(auto >>> v8::internal::compiler::PipelineImpl::Run<v8::internal::compiler::MeetRegisterConstraintsPhase>()+0xd4) >>> >>> [0x103822f04] >>> >>> ./mksnapshot(v8::internal::compiler::PipelineImpl::AllocateRegistersForTopTier(v8::internal::RegisterConfiguration >>> >>> const*, v8::internal::compiler::CallDescriptor*, bool)+0x184) [0x103821214] >>> >>> ./mksnapshot(v8::internal::compiler::PipelineImpl::SelectInstructions(v8::internal::compiler::Linkage*)+0xc78) >>> >>> [0x103818258] >>> >>> ./mksnapshot(v8::internal::compiler::Pipeline::GenerateCodeForCodeStub(v8::internal::Isolate*, >>> >>> v8::internal::compiler::CallDescriptor*, v8::internal::compiler::Graph*, >>> v8::internal::compiler::JSGraph*, >>> v8::internal::compiler::SourcePositionTable*, v8::internal::CodeKind, char >>> const*, v8::internal::Builtin, v8::internal::AssemblerOptions const&, >>> v8::internal::ProfileDataFromFile const*)+0x1924) [0x103819ee4] >>> >>> ./mksnapshot(v8::internal::compiler::CodeAssembler::GenerateCode(v8::internal::compiler::CodeAssemblerState*, >>> >>> v8::internal::AssemblerOptions const&, v8::internal::ProfileDataFromFile >>> const*)+0x88) [0x1034f9a88] >>> >>> ./mksnapshot(v8::internal::SetupIsolateDelegate::SetupBuiltinsInternal(v8::internal::Isolate*)+0x35d8c) >>> >>> [0x103b364bc] >>> >>> ./mksnapshot(v8::internal::SetupIsolateDelegate::SetupBuiltins(v8::internal::Isolate*, >>> >>> bool)+0x34) [0x1027e9d24] >>> >>> ./mksnapshot(v8::internal::Isolate::Init(v8::internal::SnapshotData*, >>> v8::internal::SnapshotData*, v8::internal::SnapshotData*, bool)+0x1f30) >>> [0x1018cd230] >>> ./mksnapshot(v8::internal::Isolate::InitWithoutSnapshot()+0x30) >>> [0x1018cb2d0] >>> ./mksnapshot(v8::SnapshotCreator::SnapshotCreator(v8::Isolate*, long >>> const*, v8::StartupData const*, bool)+0x140) [0x10146ed20] >>> >>> ./mksnapshot(v8::internal::CreateSnapshotDataBlobInternal(v8::SnapshotCreator::FunctionCodeHandling, >>> >>> char const*, v8::Isolate*)+0x88) [0x102424938] >>> ./mksnapshot(main+0xd08) [0x10145aba8] >>> /lib64/libc.so.6(+0x30f2c) [0x7fff94630f2c] >>> /lib64/libc.so.6(__libc_start_main+0x1ac) [0x7fff9463116c] >>> Return code is -5 >>> ninja: build stopped: subcommand failed. >>> error: Bad exit status from /var/tmp/rpm-tmp.kTN83s (%build) >>> >>> Many thanks >> >> -- >> -- >> v8-dev mailing list >> v8-...@googlegroups.com >> http://groups.google.com/group/v8-dev >> --- >> You received this message because you are subscribed to the Google Groups >> "v8-dev" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to v8-dev+un...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/v8-dev/d231188a-bc91-4df9-bfa0-ac30b897884en%40googlegroups.com >> >> <https://groups.google.com/d/msgid/v8-dev/d231188a-bc91-4df9-bfa0-ac30b897884en%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- -- v8-dev mailing list v8-dev@googlegroups.com http://groups.google.com/group/v8-dev --- You received this message because you are subscribed to the Google Groups "v8-dev" group. 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