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Fix riscv64 fuchsia LLVM target name #109155
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taiki-e:riscv64-fuchsia-fix-llvm-target
Mar 17, 2023
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Fix riscv64 fuchsia LLVM target name #109155
bors
merged 1 commit into
rust-lang:master
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taiki-e:riscv64-fuchsia-fix-llvm-target
Mar 17, 2023
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These commits modify compiler targets. |
Thanks! @bors r+ rollup |
matthiaskrgr
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…arget, r=tmandry Fix riscv64 fuchsia LLVM target name Currently, riscv64gc-unknown-fuchsia (added in rust-lang#108722) sets riscv64*gc*-unknown-fuchsia as the LLVM target. https://github.com/rust-lang/rust/blob/1716932743a7b3705cbf0c34db0c4e070ed1930d/compiler/rustc_target/src/spec/riscv64gc_unknown_fuchsia.rs#L5 However, riscv64*gc*-\* is not a valid LLVM target and causes the following error. ```console $ rustc --print cfg --target riscv64gc-unknown-fuchsia error: could not create LLVM TargetMachine for triple: riscv64gc-unknown-fuchsia: No available targets are compatible with triple "riscv64gc-unknown-fuchsia" ``` As with other RISC-V targets, the LLVM target should use riscv64-\*, not riscv64*gc*-\*. https://github.com/rust-lang/rust/blob/1716932743a7b3705cbf0c34db0c4e070ed1930d/compiler/rustc_target/src/spec/riscv64gc_unknown_freebsd.rs#L5 https://github.com/rust-lang/rust/blob/1716932743a7b3705cbf0c34db0c4e070ed1930d/compiler/rustc_target/src/spec/riscv64gc_unknown_linux_gnu.rs#L5 I confirmed that riscv64-unknown-fuchsia is recognized as a valid LLVM target by using custom targets. ```console # create a custom target with `"llvm-target": "riscv64-unknown-fuchsia" from no-std riscv64gc target. $ rustc --print target-spec-json -Z unstable-options --target riscv64gc-unknown-none-elf | grep -v is-builtin | sed 's/"llvm-target".*/"llvm-target": "riscv64-unknown-fuchsia",/' > riscv64gc-unknown-fuchsia.json $ rustc --print cfg --target riscv64gc-unknown-fuchsia.json debug_assertions panic="abort" target_abi="" target_arch="riscv64" target_endian="little" target_env="" target_feature="a" target_feature="c" target_feature="d" target_feature="f" target_feature="m" ... $ cat riscv64gc-unknown-fuchsia.json { "arch": "riscv64", "code-model": "medium", "cpu": "generic-rv64", "data-layout": "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128", "eh-frame-header": false, "emit-debug-gdb-scripts": false, "features": "+m,+a,+f,+d,+c", "linker": "rust-lld", "linker-flavor": "ld.lld", "llvm-abiname": "lp64d", "llvm-target": "riscv64-unknown-fuchsia", "max-atomic-width": 64, "panic-strategy": "abort", "relocation-model": "static", "supported-sanitizers": [ "kernel-address" ], "target-pointer-width": "64" } # Check the current master's LLVM target name causes an error $ sed -i 's/riscv64-unknown-fuchsia/riscv64gc-unknown-fuchsia/' riscv64gc-unknown-fuchsia.json $ rustc --print cfg --target riscv64gc-unknown-fuchsia.json error: could not create LLVM TargetMachine for triple: riscv64gc-unknown-fuchsia: No available targets are compatible with triple "riscv64gc-unknown-fuchsia" ``` r? `@tmandry`
matthiaskrgr
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Mar 17, 2023
…arget, r=tmandry Fix riscv64 fuchsia LLVM target name Currently, riscv64gc-unknown-fuchsia (added in rust-lang#108722) sets riscv64*gc*-unknown-fuchsia as the LLVM target. https://github.com/rust-lang/rust/blob/1716932743a7b3705cbf0c34db0c4e070ed1930d/compiler/rustc_target/src/spec/riscv64gc_unknown_fuchsia.rs#L5 However, riscv64*gc*-\* is not a valid LLVM target and causes the following error. ```console $ rustc --print cfg --target riscv64gc-unknown-fuchsia error: could not create LLVM TargetMachine for triple: riscv64gc-unknown-fuchsia: No available targets are compatible with triple "riscv64gc-unknown-fuchsia" ``` As with other RISC-V targets, the LLVM target should use riscv64-\*, not riscv64*gc*-\*. https://github.com/rust-lang/rust/blob/1716932743a7b3705cbf0c34db0c4e070ed1930d/compiler/rustc_target/src/spec/riscv64gc_unknown_freebsd.rs#L5 https://github.com/rust-lang/rust/blob/1716932743a7b3705cbf0c34db0c4e070ed1930d/compiler/rustc_target/src/spec/riscv64gc_unknown_linux_gnu.rs#L5 I confirmed that riscv64-unknown-fuchsia is recognized as a valid LLVM target by using custom targets. ```console # create a custom target with `"llvm-target": "riscv64-unknown-fuchsia" from no-std riscv64gc target. $ rustc --print target-spec-json -Z unstable-options --target riscv64gc-unknown-none-elf | grep -v is-builtin | sed 's/"llvm-target".*/"llvm-target": "riscv64-unknown-fuchsia",/' > riscv64gc-unknown-fuchsia.json $ rustc --print cfg --target riscv64gc-unknown-fuchsia.json debug_assertions panic="abort" target_abi="" target_arch="riscv64" target_endian="little" target_env="" target_feature="a" target_feature="c" target_feature="d" target_feature="f" target_feature="m" ... $ cat riscv64gc-unknown-fuchsia.json { "arch": "riscv64", "code-model": "medium", "cpu": "generic-rv64", "data-layout": "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128", "eh-frame-header": false, "emit-debug-gdb-scripts": false, "features": "+m,+a,+f,+d,+c", "linker": "rust-lld", "linker-flavor": "ld.lld", "llvm-abiname": "lp64d", "llvm-target": "riscv64-unknown-fuchsia", "max-atomic-width": 64, "panic-strategy": "abort", "relocation-model": "static", "supported-sanitizers": [ "kernel-address" ], "target-pointer-width": "64" } # Check the current master's LLVM target name causes an error $ sed -i 's/riscv64-unknown-fuchsia/riscv64gc-unknown-fuchsia/' riscv64gc-unknown-fuchsia.json $ rustc --print cfg --target riscv64gc-unknown-fuchsia.json error: could not create LLVM TargetMachine for triple: riscv64gc-unknown-fuchsia: No available targets are compatible with triple "riscv64gc-unknown-fuchsia" ``` r? ``@tmandry``
matthiaskrgr
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Mar 17, 2023
…arget, r=tmandry Fix riscv64 fuchsia LLVM target name Currently, riscv64gc-unknown-fuchsia (added in rust-lang#108722) sets riscv64*gc*-unknown-fuchsia as the LLVM target. https://github.com/rust-lang/rust/blob/1716932743a7b3705cbf0c34db0c4e070ed1930d/compiler/rustc_target/src/spec/riscv64gc_unknown_fuchsia.rs#L5 However, riscv64*gc*-\* is not a valid LLVM target and causes the following error. ```console $ rustc --print cfg --target riscv64gc-unknown-fuchsia error: could not create LLVM TargetMachine for triple: riscv64gc-unknown-fuchsia: No available targets are compatible with triple "riscv64gc-unknown-fuchsia" ``` As with other RISC-V targets, the LLVM target should use riscv64-\*, not riscv64*gc*-\*. https://github.com/rust-lang/rust/blob/1716932743a7b3705cbf0c34db0c4e070ed1930d/compiler/rustc_target/src/spec/riscv64gc_unknown_freebsd.rs#L5 https://github.com/rust-lang/rust/blob/1716932743a7b3705cbf0c34db0c4e070ed1930d/compiler/rustc_target/src/spec/riscv64gc_unknown_linux_gnu.rs#L5 I confirmed that riscv64-unknown-fuchsia is recognized as a valid LLVM target by using custom targets. ```console # create a custom target with `"llvm-target": "riscv64-unknown-fuchsia" from no-std riscv64gc target. $ rustc --print target-spec-json -Z unstable-options --target riscv64gc-unknown-none-elf | grep -v is-builtin | sed 's/"llvm-target".*/"llvm-target": "riscv64-unknown-fuchsia",/' > riscv64gc-unknown-fuchsia.json $ rustc --print cfg --target riscv64gc-unknown-fuchsia.json debug_assertions panic="abort" target_abi="" target_arch="riscv64" target_endian="little" target_env="" target_feature="a" target_feature="c" target_feature="d" target_feature="f" target_feature="m" ... $ cat riscv64gc-unknown-fuchsia.json { "arch": "riscv64", "code-model": "medium", "cpu": "generic-rv64", "data-layout": "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128", "eh-frame-header": false, "emit-debug-gdb-scripts": false, "features": "+m,+a,+f,+d,+c", "linker": "rust-lld", "linker-flavor": "ld.lld", "llvm-abiname": "lp64d", "llvm-target": "riscv64-unknown-fuchsia", "max-atomic-width": 64, "panic-strategy": "abort", "relocation-model": "static", "supported-sanitizers": [ "kernel-address" ], "target-pointer-width": "64" } # Check the current master's LLVM target name causes an error $ sed -i 's/riscv64-unknown-fuchsia/riscv64gc-unknown-fuchsia/' riscv64gc-unknown-fuchsia.json $ rustc --print cfg --target riscv64gc-unknown-fuchsia.json error: could not create LLVM TargetMachine for triple: riscv64gc-unknown-fuchsia: No available targets are compatible with triple "riscv64gc-unknown-fuchsia" ``` r? ```@tmandry```
This was referenced Mar 17, 2023
bors
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Mar 17, 2023
…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#108958 (Remove box expressions from HIR) - rust-lang#109044 (Prevent stable `libtest` from supporting `-Zunstable-options`) - rust-lang#109155 (Fix riscv64 fuchsia LLVM target name) - rust-lang#109156 (Fix linker detection for clang with prefix) - rust-lang#109181 (inherit_overflow: adapt pattern to also work with v0 mangling) - rust-lang#109198 (Install projection from RPITIT to default trait method opaque correctly) - rust-lang#109215 (Use sort_by_key instead of sort_by) - rust-lang#109229 (Fix invalid markdown link references) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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Currently, riscv64gc-unknown-fuchsia (added in #108722) sets riscv64gc-unknown-fuchsia as the LLVM target.
rust/compiler/rustc_target/src/spec/riscv64gc_unknown_fuchsia.rs
Line 5 in 1716932
However, riscv64gc-* is not a valid LLVM target and causes the following error.
As with other RISC-V targets, the LLVM target should use riscv64-*, not riscv64gc-*.
rust/compiler/rustc_target/src/spec/riscv64gc_unknown_freebsd.rs
Line 5 in 1716932
rust/compiler/rustc_target/src/spec/riscv64gc_unknown_linux_gnu.rs
Line 5 in 1716932
I confirmed that riscv64-unknown-fuchsia is recognized as a valid LLVM target by using custom targets.
r? @tmandry