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2023-01-22abi: add `AddressSpace` field to `Primitive::Pointer`Erik Desjardins-5/+5
...and remove it from `PointeeInfo`, which isn't meant for this. There are still various places (marked with FIXMEs) that assume all pointers have the same size and alignment. Fixing this requires parsing non-default address spaces in the data layout string, which will be done in a followup.
2023-01-22rustc_abi: remove Primitive::{is_float,is_int}Erik Desjardins-2/+2
there were fixmes for this already i am about to remove is_ptr (since callers need to properly distinguish between pointers in different address spaces), so might as well do this at the same time
2023-01-06Auto merge of #106474 - erikdesjardins:noalias, r=bjorn3bors-6/+1
cleanup: handle -Zmutable-noalias like -Zbox-noalias r? `@bjorn3` cc `@RalfJung` this will conflict with #106180
2023-01-05Fix `uninlined_format_args` for some compiler cratesnils-4/+4
Convert all the crates that have had their diagnostic migration completed (except save_analysis because that will be deleted soon and apfloat because of the licensing problem).
2023-01-04cleanup: handle -Zmutable-noalias like -Zbox-noaliasErik Desjardins-6/+1
2022-12-20rustc: Remove needless lifetimesJeremy Stucki-4/+4
2022-12-01Remove useless borrows and derefsMaybe Waffle-2/+2
2022-11-24move things from rustc_target::abi to rustc_abihkalbasi-8/+8
2022-11-19Rollup merge of #104001 - Ayush1325:custom-entry, r=bjorn3Dylan DPC-0/+28
Improve generating Custom entry function This commit is aimed at making compiler-generated entry functions (Basically just C `main` right now) more generic so other targets can do similar things for custom entry. This was initially implemented as part of https://github.com/rust-lang/rust/pull/100316. Currently, this moves the entry function name and Call convention to the target spec. Signed-off-by: Ayush Singh <ayushsingh1325@gmail.com>
2022-11-11Improve generating Custom entry functionAyush Singh-0/+28
This commit is aimed at making compiler generated entry functions (Basically just C `main` right now) more generic so other targets can do similar things for custom entry. This was initially implemented as part of https://github.com/rust-lang/rust/pull/100316. Currently, this moves the entry function name and Call convention to the target spec. Signed-off-by: Ayush Singh <ayushsingh1325@gmail.com>
2022-11-10Rollup merge of #101939 - zhaixiaojuan:loongarch64-abi, r=oli-obkManish Goregaokar-0/+344
Add loongarch64 abi support
2022-10-14more dupe word typosRageking8-1/+1
2022-10-12Use `tidy-alphabetical` in the compilerNilstrieb-1/+2
2022-09-17Add loongarch64 abi supportzhaixiaojuan-0/+344
2022-09-16Auto merge of #97800 - ↵bors-8/+42
pnkfelix:issue-97463-fix-aarch64-call-abi-does-not-zeroext, r=wesleywiser Aarch64 call abi does not zeroext (and one cannot assume it does so) Fix #97463
2022-08-26Move `ArgAbi::pad_i32` into `PassMode::Cast`.Nicholas Nethercote-22/+15
Because it's only needed for that variant. This shrinks the types and clarifies the logic.
2022-08-26Turn `ArgAbi::pad` into a `bool`.Nicholas Nethercote-8/+8
Because it's only ever set to `None` or `Some(Reg::i32())`.
2022-08-26Change `FnAbi::args` to a boxed slice.Nicholas Nethercote-25/+25
2022-08-26Change `FnAbi::fixed_count` to a `u32`.Nicholas Nethercote-3/+3
2022-08-26Box `CastTarget` within `PassMode`.Nicholas Nethercote-5/+5
Because `PassMode::Cast` is by far the largest variant, but is relatively rare. This requires making `PassMode` not impl `Copy`, and `Clone` is no longer necessary. This causes lots of sigil adjusting, but nothing very notable.
2022-08-26Add size assertions for `FnAbi` and `ArgAbi`.Nicholas Nethercote-0/+10
2022-08-22rustdoc doesn't like bare urlsWesley Wiser-1/+1
2022-08-09Remove logic related to deprecated nvptx-nvidia-cuda (32-bit) targetKjetil Kjeka-35/+0
2022-07-26Fix vectorcallDaniel Paoliello-5/+7
2022-07-06fix issue 97463 using change suggested by nbdd0121.Felix S. Klock II-8/+42
parameterized on target details to decide value-extension policy on calls, in order to address how Apple's aarch64 ABI differs from that on Linux and Windows. Updated to incorporate review feedback: adjust comment on new enum specifying param extension policy. Updated to incorporate review feedback: shorten enum names and those of its variants to make it less unwieldy. placate tidy.
2022-05-30Add support for emitting functions with `coldcc` in LLVMScott McMurray-0/+5
The eventual goal is to try using this for things like the internal panicking stuff, to see whether it helps.
2022-04-26Rollup merge of #94703 - kjetilkjeka:nvptx-kernel-args-abi2, r=nagisaGuillaume Gomez-9/+46
Fix codegen bug in "ptx-kernel" abi related to arg passing I found a codegen bug in the nvptx abi related to that args are passed as ptrs ([see comment](https://github.com/rust-lang/rust/issues/38788#issuecomment-1048999928)), this is not as specified in the [ptx-interoperability doc](https://docs.nvidia.com/cuda/ptx-writers-guide-to-interoperability/) or how C/C++ does it. It will also almost always fail in practice since device/host uses different memory spaces for most hardware. This PR fixes the bug and add tests for passing structs to ptx kernels. I observed that all nvptx assembly tests had been marked as [ignore a long time ago](https://github.com/rust-lang/rust/pull/59752#issuecomment-501713428). I'm not sure if the new one should be marked as ignore, it passed on my computer but it might fail if ptx-linker is missing on the server? I guess this is outside scope for this PR and should be looked at in a different issue/PR. I only fixed the nvptx64-nvidia-cuda target and not the potential code paths for the non-existing 32bit target. Even though 32bit nvptx is not a supported target there are still some code under the hood supporting codegen for 32 bit ptx. I was advised to create an MCP to find out if this code should be removed or updated. Perhaps ``@RDambrosio016`` would have interest in taking a quick look at this.
2022-04-19Fix a bug in the ptx-kernel calling convention where structs was passed ↵Kjetil Kjeka-9/+46
indirectly Structs being passed indirectly is suprpising and have a high chance not to work as the device and host usually do not share memory.
2022-04-13couple of clippy::complexity fixesMatthias Krüger-3/+3
2022-04-05Mark scalar layout unions so that backends that do not support partially ↵Oli Scherer-20/+18
initialized scalars can special case them.
2022-03-30Spellchecking compiler commentsYuri Astrakhan-1/+1
This PR cleans up the rest of the spelling mistakes in the compiler comments. This PR does not change any literal or code spelling issues.
2022-02-21formatting fixesPetr Sumbera-8/+2
2022-02-21more complete sparc64 ABI fix for aggregates with floating point membersPetr Sumbera-101/+183
Previous fix didn't handle nested structures at all.
2022-02-13Auto merge of #93670 - erikdesjardins:noundef, r=nikicbors-1/+6
Apply noundef attribute to &T, &mut T, Box<T>, bool This doesn't handle `char` because it's a bit awkward to distinguish it from `u32` at this point in codegen. Note that this _does not_ change whether or not it is UB for `&`, `&mut`, or `Box` to point to undef. It only applies to the pointer itself, not the pointed-to memory. Fixes (partially) #74378. r? `@nikic` cc `@RalfJung`
2022-02-09Make FnAbiError Copy.Camille GILLOT-3/+7
2022-02-08Auto merge of #93561 - Amanieu:more-unwind-abi, r=nagisabors-9/+11
Add more *-unwind ABI variants The following *-unwind ABIs are now supported: - "C-unwind" - "cdecl-unwind" - "stdcall-unwind" - "fastcall-unwind" - "vectorcall-unwind" - "thiscall-unwind" - "aapcs-unwind" - "win64-unwind" - "sysv64-unwind" - "system-unwind" cc `@rust-lang/wg-ffi-unwind`
2022-02-05Apply noundef attribute to &T, &mut T, Box<T>, boolErik Desjardins-1/+6
This doesn't handle `char` because it's a bit awkward to distinguish it from u32 at this point in codegen. Note that for some types (like `&Struct` and `&mut Struct`), we already apply `dereferenceable`, which implies `noundef`, so the IR does not change.
2022-02-02Add more *-unwind ABI variantsAmanieu d'Antras-9/+11
The following *-unwind ABIs are now supported: - "C-unwind" - "cdecl-unwind" - "stdcall-unwind" - "fastcall-unwind" - "vectorcall-unwind" - "thiscall-unwind" - "aapcs-unwind" - "win64-unwind" - "sysv64-unwind" - "system-unwind"
2021-12-17Eliminate duplicate codes of is_single_fp_elementlzh-40/+4
2021-12-01fix sparc64 ABI for aggregates with floating point membersPetr Sumbera-47/+133
2021-11-05Update LLVM comments around NoAliasMutRefJosh Stone-2/+4
2021-09-20Auto merge of #88321 - glaubitz:m68k-linux, r=wesleywiserbors-0/+32
Add initial support for m68k This patch series adds initial support for m68k making use of the new M68k backend introduced with LLVM-13. Additional changes will be needed to be able to actually use the backend for this target.
2021-09-18Querify `fn_abi_of_{fn_ptr,instance}`.Eduard-Mihai Burtescu-0/+1
2021-09-18ty::layout: intern `FnAbi`s as `&'tcx`.Eduard-Mihai Burtescu-11/+11
2021-09-18ty::layout: propagate errors up to (but not out of) `FnAbi::of_*`.Eduard-Mihai Burtescu-2/+25
2021-09-18rustc_target: `adjust_for_cabi` -> `adjust_for_foreign_abi`.Eduard-Mihai Burtescu-1/+1
2021-09-17compiler/rustc_target: Add support for m68k-linux-gnuJohn Paul Adrian Glaubitz-0/+32
2021-09-09Make `abi::Abi` `Copy` and remove a *lot* of refsAndreas Liljeqvist-12/+12
fix fix Remove more refs and clones fix more fix
2021-08-30rustc_target: remove `LayoutOf` bound from `TyAbiInterface`.Eduard-Mihai Burtescu-56/+49
2021-08-27rustc_target: rename `TyAndLayoutMethods` to `TyAbiInterface`.Eduard-Mihai Burtescu-54/+54
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