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Subtree update GCC backend#140015

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Apr 19, 2025

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Commits on Jan 7, 2025

• Update tests.

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• Use a C-safe return type for `__rust_[ui]128_*` overflowing intrinsics

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• Rollup merge of #132397 - m-ou-se:warn-missing-abi, r=Nadrieril

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• Rollup merge of #134338 - tgross35:overflowing-c-safe-ret, r=bjorn3,antoyo

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• When LLVM's location discriminator value limit is exceeded, emit locations with dummy spans instead of dropping them entirely

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• Treat undef bytes as equal to any other byte

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• remove support for the #[start] attribute

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• Auto merge of #134299 - RalfJung:remove-start, r=compiler-errors

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• Make CodegenCx and Builder generic

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• Merge commit '9f33f846ddc06afd7ffd839ee4f18babac3f3204'

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• Rollup merge of #135581 - EnzymeAD:refactor-codgencx, r=oli-obk

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• Stabilize `const_black_box`

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• Auto merge of #136024 - GuillaumeGomez:cg_gcc-subtree, r=GuillaumeGomez

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• Add CI success job

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• ABI-required target features: warn when they are missing in base CPU (rather than silently enabling them)

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• Do not treat vtable supertraits as distinct when bound with different bound vars

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• Use ExistentialTraitRef throughout codegen

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• Rollup merge of #135414 - tgross35:stabilize-const_black_box, r=dtolnay

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• Auto merge of #136331 - jhpratt:rollup-curo1f4, r=jhpratt

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• Merge pull request #614 from Kobzol/ci-success

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• Add success job for all CI workflows

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• Merge pull request #616 from rust-lang/success-job

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• Remove duplicated CI triggers

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• Move back to a success job so because the required checks only work without a matrix

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• Merge pull request #619 from Kobzol/ci-pr

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• Merge pull request #618 from rust-lang/success-job

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• Make globals always have 2+ chars as suffix

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• Add M68000 entry to arch_to_gcc

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• Merge pull request #613 from fluxchief/68000

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• tree-wide: parallel: Fully removed all `Lrc`, replaced with `Arc`

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• Merge pull request #612 from fluxchief/master

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• Update repositories URL for repositories moved to `rust-lang` organization

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• Merge pull request #610 from GuillaumeGomez/update-urls

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• intrinsics: unify rint, roundeven, nearbyint in a single round_ties_even intrinsic

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• cg_gcc: Directly use rustc_abi instead of reexports

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• Run the CI on push on the master branch

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• Merge pull request #620 from rust-lang/ci-master-branch

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• Auto merge of #136471 - safinaskar:parallel, r=SparrowLii

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• fix backslashes in path used for `asm_tests`

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• Remove Linkage::Private

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• Remove Linkage::Appending

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• Merge pull request #624 from folkertdev/run-asm-tests

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• compiler: remove reexports from rustc_target::callconv

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• Rustfmt

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• Rollup merge of #136706 - workingjubilee:finish-up-rustc-abi-updates, r=compiler-errors

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• Auto merge of #136751 - bjorn3:update_rustfmt, r=Mark-Simulacrum

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• remove some intrinsics (#625)

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• cg_gcc: stop caring about compiling for unknown targets

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• compiler/rustc_codegen_gcc/src/back/lto.rs: delete "unsafe impl Sync/Send"

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• handle NaN in unordered comparisons

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• Merge pull request #627 from folkertdev/fix-unordered-compare

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• Support sysv64 and ms ABIs

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• Merge pull request #629 from rust-lang/feature/non-default-abis

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• Implement and use BikeshedGuaranteedNoDrop for union/unsafe field validity

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• Rollup merge of #136858 - safinaskar:parallel-cleanup-2025-02-11-07-54, r=SparrowLii

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• fix clobbered or lateout registers overlapping with input registers

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• Merge pull request #628 from folkertdev/clobber-input-registers

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• Make `-O` mean `-C opt-level=3`

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• Set both `nuw` and `nsw` in slice size calculation

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• Auto merge of #136575 - scottmcm:nsuw-math, r=nikic

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• refactor and support reg_byte registers

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• Merge pull request #630 from folkertdev/x86-register-classes

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• Emit `trunc nuw` for unchecked shifts and `to_immediate_scalar`

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• Rework `OperandRef::extract_field` to stop calling `to_immediate_scalar` on things which are already immediates

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• Remove `BackendRepr::Uninhabited`, replaced with an `uninhabited: bool` field in `LayoutData`.

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• Add `new_regular` and `new_allocator` to `ModuleCodegen`

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• Save pre-link bitcode to `ModuleCodegen`

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• Rollup merge of #136543 - RalfJung:round-ties-even, r=tgross35

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• remove support for rustc_intrinsic_must_be_overridden from the compiler

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• Remove an unnecessary lifetime

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• Generalize BaseTypeCodegenMethods

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• Remove an unused lifetime param

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• remove `simd_fpow` and `simd_fpowi`

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• Rollup merge of #137595 - folkertdev:remove-simd-pow-powi, r=RalfJung

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• Stop using `hash_raw_entry` in `CodegenCx::const_str`

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• rename BackendRepr::Vector → SimdVector

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• Auto merge of #133250 - DianQK:embed-bitcode-pgo, r=nikic

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• Rollup merge of #137804 - RalfJung:backend-repr-simd-vector, r=workingjubilee

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• Revert "Auto merge of #135335 - oli-obk:push-zxwssomxxtnq, r=saethlin"

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• Rollup merge of #137741 - cuviper:const_str-raw_entry, r=Mark-Simulacrum

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• Rollup merge of #137894 - compiler-errors:no-scalar-pair-opt, r=oli-obk

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• Auto merge of #137959 - matthiaskrgr:rollup-62vjvwr, r=matthiaskrgr

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• Simplify `implied_target_features`.

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• Change signature of `target_features_cfg`.

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• Rollup merge of #137549 - oli-obk:llvm-ffi, r=davidtwco

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• compiler: Use size_of from the prelude instead of imported

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• cleaned up tests by bringing objects under `mini_core` into scope

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• Merge pull request #639 from madhav-madhusoodanan/test_update_mini_core

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• Rollup merge of #138040 - thaliaarchi:use-prelude-size-of.compiler, r=compiler-errors

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• Auto merge of #137586 - nnethercote:SetImpliedBits, r=bjorn3

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• intrinsics: remove unnecessary leading underscore from argument names

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• Remove implicit #[no_mangle] for #[rustc_std_internal_symbol]

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• Rename `is_like_osx` to `is_like_darwin`

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• Avoid wrapping constant allocations in packed structs when not necessary

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• Auto merge of #138503 - bjorn3:string_merging, r=tmiasko

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• Rollup merge of #138949 - madsmtm:rename-to-darwin, r=WaffleLapkin

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• Simplify temp path creation a bit

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• Prepend temp files with a string per invocation of rustc

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• Merge branch 'master' into sync_from_rust_2025_04_17

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• Update to nightly-2025-04-17

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• Fix patches

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• Fix compilation

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• Remove most of builtins hack since it's not necessary anymore

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• Implement copysignf128

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• Update other patches

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• Fix libcore tests

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• Fix clippy warnings

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• Update GCC version

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• Fix tests

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• Fix int_to_float_cast for f128

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• Format

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• Fix tests

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• Add support for simd_insert_dyn and simd_extract_dyn

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• Fix overflow operations

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• Add new failing test

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• Support new target builtins

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• Fix for libgccjit 12

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• Simplify handling of some SIMD intrinsics

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• Merge pull request #650 from rust-lang/sync_from_rust_2025_04_17

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• Merge commit 'db1a31c243a649e1fe20f5466ba181da5be35c14' into subtree-update_cg_gcc_2025-04-18

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• Fix `rustc_codegen_gcc/tests/run/return-tuple.rs` test

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• Fix compilation error in GCC backend

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• Fix import

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