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sundeep-kokkonda opened this issue Aug 16, 2022 · 4 comments
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"LLVM ERROR: Not supported instr" on 'mips64-poky-linux-gnun32-gnu' target #489

sundeep-kokkonda opened this issue Aug 16, 2022 · 4 comments

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@sundeep-kokkonda
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I am getting this error when compiling the rust application for mips n32 arch abi on Yocto project.

Log data follows:
| DEBUG: Executing shell function do_compile
| NOTE: Using rust targets from /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/rust-targets/
| NOTE: cargo = /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/recipe-sysroot-native/usr/bin/cargo
| NOTE: rustc =
| NOTE: cargo build -v --target mips64-poky-linux-gnun32-gnu --release --manifest-path=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/rustc-1.62.1-src/library/std//Cargo.toml --features 'panic-unwind backtrace'
| warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
| package:   /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/rustc-1.62.1-src/src/tools/rls/racer/Cargo.toml
| workspace: /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/rustc-1.62.1-src/Cargo.toml
|    Compiling core v0.0.0 (/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/rustc-1.62.1-src/library/core)
|        Fresh cc v1.0.69
| warning: target json file contains unused fields: has-elf-tls
....
....
....
|      Running `rustc --crate-name rustc_demangle /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/rustc-1.62.1-src/vendor/rustc-demangle/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --cfg 'feature="compiler_builtins"' --cfg 'feature="core"' --cfg 'feature="rustc-dep-of-std"' -C metadata=b0744d1bbf6f1c66 -C extra-filename=-b0744d1bbf6f1c66 --out-dir /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/mips64-poky-linux-gnun32-gnu/release/deps --target mips64-poky-linux-gnun32-gnu -C linker=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/wrapper/target-rust-ccld -L dependency=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/mips64-poky-linux-gnun32-gnu/release/deps -L dependency=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/release/deps --extern compiler_builtins=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/mips64-poky-linux-gnun32-gnu/release/deps/libcompiler_builtins-3cb14fed722f45eb.rmeta --extern core=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/mips64-poky-linux-gnun32-gnu/release/deps/librustc_std_workspace_core-1588482532069bec.rmeta --cap-lints allow -L /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/recipe-sysroot/usr/lib32/rustlib/mips64-poky-linux-gnun32-gnu/lib --remap-path-prefix=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0=/usr/src/debug/libstd-rs/1.62.1-r0 -Cembed-bitcode=yes -L /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/recipe-sysroot/usr/lib32 -C link-arg=-Wl,-soname,libstd.so`
| warning: `cfg-if` (lib) generated 2 warnings (2 duplicates)
|     Building [==========>                ] 13/31: libc, compiler_builtins, ...
| LLVM ERROR: Not supported instr: <MCInst 0 <MCOperand Reg:30> <MCOperand Reg:1>>
| warning: `adler` (lib) generated 2 warnings (2 duplicates)
| error: could not compile `adler`; 2 warnings emitted
|
| Caused by:
|   process didn't exit successfully: `rustc --crate-name adler /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/rustc-1.62.1-src/vendor/adler-0.2.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C debuginfo=0 --cfg 'feature="compiler_builtins"' --cfg 'feature="core"' --cfg 'feature="rustc-dep-of-std"' -C metadata=49e9881f5b101600 -C extra-filename=-49e9881f5b101600 --out-dir /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/mips64-poky-linux-gnun32-gnu/release/deps --target mips64-poky-linux-gnun32-gnu -C linker=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/wrapper/target-rust-ccld -L dependency=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/mips64-poky-linux-gnun32-gnu/release/deps -L dependency=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/release/deps --extern compiler_builtins=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/mips64-poky-linux-gnun32-gnu/release/deps/libcompiler_builtins-3cb14fed722f45eb.rmeta --extern core=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/mips64-poky-linux-gnun32-gnu/release/deps/librustc_std_workspace_core-1588482532069bec.rmeta --cap-lints allow -L /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/recipe-sysroot/usr/lib32/rustlib/mips64-poky-linux-gnun32-gnu/lib --remap-path-prefix=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0=/usr/src/debug/libstd-rs/1.62.1-r0 -Cembed-bitcode=yes -L /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/recipe-sysroot/usr/lib32 -C link-arg=-Wl,-soname,libstd.so` (exit status: 101)
| warning: build failed, waiting for other jobs to finish...
|     Building [===========>               ] 14/31: libc, compiler_builtins, ...
| LLVM ERROR: Not supported instr: <MCInst 0 <MCOperand Reg:433> <MCOperand Reg:338>>
| warning: `core` (lib) generated 2 warnings (2 duplicates)
| error: could not compile `core`; 2 warnings emitted
|
| Caused by:
|   process didn't exit successfully: `rustc --crate-name core --edition=2021 library/core/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C metadata=e2fb70f62d4d21c6 -C extra-filename=-e2fb70f62d4d21c6 --out-dir /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/mips64-poky-linux-gnun32-gnu/release/deps --target mips64-poky-linux-gnun32-gnu -C linker=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/wrapper/target-rust-ccld -L dependency=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/mips64-poky-linux-gnun32-gnu/release/deps -L dependency=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/release/deps -L /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/recipe-sysroot/usr/lib32/rustlib/mips64-poky-linux-gnun32-gnu/lib --remap-path-prefix=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0=/usr/src/debug/libstd-rs/1.62.1-r0 -Cembed-bitcode=yes -L /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/recipe-sysroot/usr/lib32 -C link-arg=-Wl,-soname,libstd.so` (exit status: 101)
|     Building [============>              ] 15/31: libc, compiler_builtins, ...
| LLVM ERROR: Not supported instr: <MCInst 0 <MCOperand Reg:380> <MCOperand Reg:22>>
| LLVM ERROR: Not supported instr: <MCInst 0 <MCOperand Reg:30> <MCOperand Reg:1>>
| /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/recipe-sysroot-native/usr/lib/librustc_driver-f73c9c7b2d50741f.so(+0xa85d12)[0x7f19a2a85d12]
| /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/sysroots-uninative/x86_64-linux/lib/libc.so.6(+0x36e20)[0x7f19a9f17e20]
| /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/sysroots-uninative/x86_64-linux/lib/libc.so.6(__cxa_finalize+0x40)[0x7f19a9f19960]
| /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/recipe-sysroot-native/usr/lib/librustc_driver-f73c9c7b2d50741f.so(+0xa17bc3)[0x7f19a2a17bc3]
| warning: `compiler_builtins` (lib) generated 2 warnings (2 duplicates)
| error: could not compile `compiler_builtins`; 2 warnings emitted
|
| Caused by:
|   process didn't exit successfully: `rustc --crate-name compiler_builtins /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/rustc-1.62.1-src/vendor/compiler_builtins/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C codegen-units=10000 --cfg 'feature="compiler-builtins"' --cfg 'feature="core"' --cfg 'feature="default"' --cfg 'feature="rustc-dep-of-std"' -C metadata=3cb14fed722f45eb -C extra-filename=-3cb14fed722f45eb --out-dir /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/mips64-poky-linux-gnun32-gnu/release/deps --target mips64-poky-linux-gnun32-gnu -C linker=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/wrapper/target-rust-ccld -L dependency=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/mips64-poky-linux-gnun32-gnu/release/deps -L dependency=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/release/deps --extern core=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/mips64-poky-linux-gnun32-gnu/release/deps/librustc_std_workspace_core-1588482532069bec.rmeta --cap-lints allow -L /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/recipe-sysroot/usr/lib32/rustlib/mips64-poky-linux-gnun32-gnu/lib --remap-path-prefix=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0=/usr/src/debug/libstd-rs/1.62.1-r0 -Cembed-bitcode=yes -L /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/recipe-sysroot/usr/lib32 -C link-arg=-Wl,-soname,libstd.so --cfg 'feature="unstable"'` (signal: 11, SIGSEGV: invalid memory reference)
|     Building [============>              ] 16/31: libc, alloc, memchr, rust...
| LLVM ERROR: Not supported instr: <MCInst 0 <MCOperand Reg:440> <MCOperand Reg:1>>
| warning: `libc` (lib) generated 2 warnings (2 duplicates)
| error: could not compile `libc`; 2 warnings emitted
|
| Caused by:
|   process didn't exit successfully: `rustc --crate-name libc /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/rustc-1.62.1-src/vendor/libc/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --cfg 'feature="align"' --cfg 'feature="rustc-dep-of-std"' --cfg 'feature="rustc-std-workspace-core"' -C metadata=0bb8cd4dab13899e -C extra-filename=-0bb8cd4dab13899e --out-dir /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/mips64-poky-linux-gnun32-gnu/release/deps --target mips64-poky-linux-gnun32-gnu -C linker=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/wrapper/target-rust-ccld -L dependency=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/mips64-poky-linux-gnun32-gnu/release/deps -L dependency=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/release/deps --extern rustc_std_workspace_core=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/build/mips64-poky-linux-gnun32-gnu/release/deps/librustc_std_workspace_core-1588482532069bec.rmeta --cap-lints allow -L /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/recipe-sysroot/usr/lib32/rustlib/mips64-poky-linux-gnun32-gnu/lib --remap-path-prefix=/ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0=/usr/src/debug/libstd-rs/1.62.1-r0 -Cembed-bitcode=yes -L /ala-lpggp31/skokkonda/14877/poky/buildA/tmp/work/mips64-n32-poky-linux-gnun32/libstd-rs/1.62.1-r0/recipe-sysroot/usr/lib32 -C link-arg=-Wl,-soname,libstd.so --cfg freebsd11 --cfg libc_priv_mod_use --cfg libc_union --cfg libc_const_size_of --cfg libc_align --cfg libc_int128 --cfg libc_core_cvoid --cfg libc_packedN --cfg libc_cfg_target_vendor --cfg libc_non_exhaustive --cfg libc_ptr_addr_of --cfg libc_underscore_const_names --cfg libc_thread_local` (exit status: 101)
|     Building [=============>             ] 17/31: alloc, memchr, rustc-dema...
| LLVM ERROR: LLVM ERROR: Not supported instr: <MCInst 0 <MCOperand Reg:440> <MCOperand Reg:1>>Not supported instr: <MCInst 0 <MCOperand Reg:30> <MCOperand Reg:1>>
...
...
...

What could be the reason for this error and how to fix it? I suspect the data layout causing this issue. Below is the data layout used.

## mips64-n32-unknown-linux-{gnu, musl}
DATA_LAYOUT[mips64-n32] = "E-m:e-p:32:32-i8:8:32-i16:16:32-i64:64-n32:64-S128"
TARGET_ENDIAN[mips64-n32] = "big"
TARGET_POINTER_WIDTH[mips64-n32] = "32"
TARGET_C_INT_WIDTH[mips64-n32] = "32"
MAX_ATOMIC_WIDTH[mips64-n32] = "64"

How do I derive a correct data layout for a specific arch? (Like the one given in #400 (comment))
@sundeep-kokkonda
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I tried changing the DATA_LAYOUT by referring https://llvm.org/docs/LangRef.html#data-layout & https://irix7.com/techpubs/007-2816-004.pdf docs but the error is still there.

@sundeep-kokkonda
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My build is for mips64-n32 abi. I could not see that this abi on the rust supported target list in https://doc.rust-lang.org/nightly/rustc/platform-support.html. Does this error because of n32 is a not supported target arch of rust?

@Amanieu
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Amanieu commented Aug 17, 2022

This probably isn't the right repo for this bug, you should submit this to rust-lang/rust.

I have no experience with MIPS, but you could check against the settings used by Clang on that target.

@tgross35
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I am going to close this issue since there probably isn't anything to be done. As Amanieu noted the problems don't really look specific to compiler-builtins, so please open a rust-lang/rust bug if there are continued problems.

@tgross35 tgross35 closed this as not planned Won't fix, can't repro, duplicate, stale Aug 17, 2024
tgross35 added a commit to tgross35/compiler-builtins that referenced this issue Feb 24, 2025
@tgross35
Merge pull request rust-lang#489 from tgross35/sort-everything
0492f2e 
Add checks via annotation that lists are sorted or exhaustive
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@Amanieu @tgross35 @sundeep-kokkonda