Enable const casting for f16 and f128
#127032
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rustbot has assigned @compiler-errors. Use |
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Some changes occurred to the CTFE / Miri engine cc @rust-lang/miri |
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Jun 27, 2024
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That was fast 😆 thanks! |
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Technically you should be able to test this from const eval now, right? |
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@bors rollup |
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Yeah I think this unblocks the only exposed codepath, the remaining changes in miri are just intrinsics that we don't have library functions for. Miri just has a good structure for casting tests so it seems easiest to make use of what is there |
GuillaumeGomez
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… r=oli-obk Enable const casting for `f16` and `f128` I have an open PR to the Miri repo adding tests for this behavior rust-lang/miri#3688, but that unfortunately hits the ICE path here. The changes seem reasonably low risk that it might be okay to merge separately from the tests, and I tested the result locally against an older version of rust-lang/miri#3688. Cc `@RalfJung`
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…llaumeGomez Rollup of 10 pull requests Successful merges: - rust-lang#123237 (Various rustc_codegen_ssa cleanups) - rust-lang#123714 (Add test for fn pointer duplication.) - rust-lang#124091 (Update AST validation module docs) - rust-lang#126835 (Simplifications in match lowering) - rust-lang#126963 (Add basic Serde serialization capabilities to Stable MIR) - rust-lang#127010 (Update browser-ui-test version to `0.18.0`) - rust-lang#127015 (Switch back `non_local_definitions` lint to allow-by-default) - rust-lang#127016 (docs: check if the disambiguator matches its suffix) - rust-lang#127029 (Fix Markdown tables in platform-support.md) - rust-lang#127032 (Enable const casting for `f16` and `f128`) r? `@ghost` `@rustbot` modify labels: rollup
matthiaskrgr
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… r=oli-obk Enable const casting for `f16` and `f128` I have an open PR to the Miri repo adding tests for this behavior rust-lang/miri#3688, but that unfortunately hits the ICE path here. The changes seem reasonably low risk that it might be okay to merge separately from the tests, and I tested the result locally against an older version of rust-lang/miri#3688. Cc ``@RalfJung``
bors
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…iaskrgr Rollup of 9 pull requests Successful merges: - rust-lang#123237 (Various rustc_codegen_ssa cleanups) - rust-lang#123714 (Add test for fn pointer duplication.) - rust-lang#124091 (Update AST validation module docs) - rust-lang#126835 (Simplifications in match lowering) - rust-lang#126963 (Add basic Serde serialization capabilities to Stable MIR) - rust-lang#127010 (Update browser-ui-test version to `0.18.0`) - rust-lang#127015 (Switch back `non_local_definitions` lint to allow-by-default) - rust-lang#127029 (Fix Markdown tables in platform-support.md) - rust-lang#127032 (Enable const casting for `f16` and `f128`) r? `@ghost` `@rustbot` modify labels: rollup
jhpratt
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… r=oli-obk Enable const casting for `f16` and `f128` I have an open PR to the Miri repo adding tests for this behavior rust-lang/miri#3688, but that unfortunately hits the ICE path here. The changes seem reasonably low risk that it might be okay to merge separately from the tests, and I tested the result locally against an older version of rust-lang/miri#3688. Cc ```@RalfJung```
matthiaskrgr
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… r=oli-obk Enable const casting for `f16` and `f128` I have an open PR to the Miri repo adding tests for this behavior rust-lang/miri#3688, but that unfortunately hits the ICE path here. The changes seem reasonably low risk that it might be okay to merge separately from the tests, and I tested the result locally against an older version of rust-lang/miri#3688. Cc ````@RalfJung````
bors
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#123237 (Various rustc_codegen_ssa cleanups) - rust-lang#123714 (Add test for fn pointer duplication.) - rust-lang#124091 (Update AST validation module docs) - rust-lang#126835 (Simplifications in match lowering) - rust-lang#126963 (Add basic Serde serialization capabilities to Stable MIR) - rust-lang#127015 (Switch back `non_local_definitions` lint to allow-by-default) - rust-lang#127029 (Fix Markdown tables in platform-support.md) - rust-lang#127032 (Enable const casting for `f16` and `f128`) r? `@ghost` `@rustbot` modify labels: rollup
bors
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#123237 (Various rustc_codegen_ssa cleanups) - rust-lang#123714 (Add test for fn pointer duplication.) - rust-lang#124091 (Update AST validation module docs) - rust-lang#126835 (Simplifications in match lowering) - rust-lang#126963 (Add basic Serde serialization capabilities to Stable MIR) - rust-lang#127015 (Switch back `non_local_definitions` lint to allow-by-default) - rust-lang#127029 (Fix Markdown tables in platform-support.md) - rust-lang#127032 (Enable const casting for `f16` and `f128`) r? `@ghost` `@rustbot` modify labels: rollup
GuillaumeGomez
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… r=oli-obk Enable const casting for `f16` and `f128` I have an open PR to the Miri repo adding tests for this behavior rust-lang/miri#3688, but that unfortunately hits the ICE path here. The changes seem reasonably low risk that it might be okay to merge separately from the tests, and I tested the result locally against an older version of rust-lang/miri#3688. Cc `````@RalfJung`````
bors
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#123237 (Various rustc_codegen_ssa cleanups) - rust-lang#123714 (Add test for fn pointer duplication.) - rust-lang#124091 (Update AST validation module docs) - rust-lang#126835 (Simplifications in match lowering) - rust-lang#126963 (Add basic Serde serialization capabilities to Stable MIR) - rust-lang#127015 (Switch back `non_local_definitions` lint to allow-by-default) - rust-lang#127029 (Fix Markdown tables in platform-support.md) - rust-lang#127032 (Enable const casting for `f16` and `f128`) r? `@ghost` `@rustbot` modify labels: rollup
bors
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…llaumeGomez Rollup of 10 pull requests Successful merges: - rust-lang#123714 (Add test for fn pointer duplication.) - rust-lang#124091 (Update AST validation module docs) - rust-lang#126963 (Add basic Serde serialization capabilities to Stable MIR) - rust-lang#127015 (Switch back `non_local_definitions` lint to allow-by-default) - rust-lang#127016 (docs: check if the disambiguator matches its suffix) - rust-lang#127029 (Fix Markdown tables in platform-support.md) - rust-lang#127032 (Enable const casting for `f16` and `f128`) - rust-lang#127041 (Migrate `run-make/override-aliased-flags` to `rmake.rs`) - rust-lang#127045 (Rename `super_predicates_of` and similar queries to `explicit_*` to note that they're not elaborated) - rust-lang#127075 (rustc_data_structures: Explicitly check for 64-bit atomics support) r? `@ghost` `@rustbot` modify labels: rollup
bors
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#123237 (Various rustc_codegen_ssa cleanups) - rust-lang#123714 (Add test for fn pointer duplication.) - rust-lang#124091 (Update AST validation module docs) - rust-lang#126835 (Simplifications in match lowering) - rust-lang#126963 (Add basic Serde serialization capabilities to Stable MIR) - rust-lang#127015 (Switch back `non_local_definitions` lint to allow-by-default) - rust-lang#127029 (Fix Markdown tables in platform-support.md) - rust-lang#127032 (Enable const casting for `f16` and `f128`) r? `@ghost` `@rustbot` modify labels: rollup
bors
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…iaskrgr Rollup of 11 pull requests Successful merges: - rust-lang#123714 (Add test for fn pointer duplication.) - rust-lang#124091 (Update AST validation module docs) - rust-lang#127015 (Switch back `non_local_definitions` lint to allow-by-default) - rust-lang#127016 (docs: check if the disambiguator matches its suffix) - rust-lang#127029 (Fix Markdown tables in platform-support.md) - rust-lang#127032 (Enable const casting for `f16` and `f128`) - rust-lang#127055 (Mark Hasher::finish as #[must_use]) - rust-lang#127068 (Stall computing instance for drop shim until it has no unsubstituted const params) - rust-lang#127070 (add () to the marker_impls macro for ConstParamTy) - rust-lang#127071 (Remove (deprecated & unstable) {to,from}_bits pointer methods) - rust-lang#127078 (Enable full tools and profiler for LoongArch Linux targets) r? `@ghost` `@rustbot` modify labels: rollup
bors
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…iaskrgr Rollup of 11 pull requests Successful merges: - rust-lang#123714 (Add test for fn pointer duplication.) - rust-lang#124091 (Update AST validation module docs) - rust-lang#127015 (Switch back `non_local_definitions` lint to allow-by-default) - rust-lang#127016 (docs: check if the disambiguator matches its suffix) - rust-lang#127029 (Fix Markdown tables in platform-support.md) - rust-lang#127032 (Enable const casting for `f16` and `f128`) - rust-lang#127055 (Mark Hasher::finish as #[must_use]) - rust-lang#127068 (Stall computing instance for drop shim until it has no unsubstituted const params) - rust-lang#127070 (add () to the marker_impls macro for ConstParamTy) - rust-lang#127071 (Remove (deprecated & unstable) {to,from}_bits pointer methods) - rust-lang#127078 (Enable full tools and profiler for LoongArch Linux targets) r? `@ghost` `@rustbot` modify labels: rollup
bors
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…iaskrgr Rollup of 11 pull requests Successful merges: - rust-lang#123714 (Add test for fn pointer duplication.) - rust-lang#124091 (Update AST validation module docs) - rust-lang#127015 (Switch back `non_local_definitions` lint to allow-by-default) - rust-lang#127016 (docs: check if the disambiguator matches its suffix) - rust-lang#127029 (Fix Markdown tables in platform-support.md) - rust-lang#127032 (Enable const casting for `f16` and `f128`) - rust-lang#127055 (Mark Hasher::finish as #[must_use]) - rust-lang#127068 (Stall computing instance for drop shim until it has no unsubstituted const params) - rust-lang#127070 (add () to the marker_impls macro for ConstParamTy) - rust-lang#127071 (Remove (deprecated & unstable) {to,from}_bits pointer methods) - rust-lang#127078 (Enable full tools and profiler for LoongArch Linux targets) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#127032 - tgross35:f16-f128-const-eval-cast, r=oli-obk Enable const casting for `f16` and `f128` I have an open PR to the Miri repo adding tests for this behavior rust-lang/miri#3688, but that unfortunately hits the ICE path here. The changes seem reasonably low risk that it might be okay to merge separately from the tests, and I tested the result locally against an older version of rust-lang/miri#3688. Cc ``````@RalfJung``````
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I have an open PR to the Miri repo adding tests for this behavior rust-lang/miri#3688, but that unfortunately hits the ICE path here. The changes seem reasonably low risk that it might be okay to merge separately from the tests, and I tested the result locally against an older version of rust-lang/miri#3688.
Cc @RalfJung