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Matthias Krüger 95e66ff8b4 Rollup merge of #133663 - scottmcm:carrying_mul_add, r=Amanieu

Add a compiler intrinsic to back `bigint_helper_methods`

cc https://github.com/rust-lang/rust/issues/85532

This adds a new `carrying_mul_add` intrinsic, to implement `wide_mul` and `carrying_mul`.

It has fallback MIR for all types -- including `u128`, which isn't currently supported on nightly -- so that it'll continue to work on all backends, including CTFE.

Then it's overridden in `cg_llvm` to use wider intermediate types, including `i256` for `u128::carrying_mul`.

2024-12-27 19:47:09 +01:00

alloc

Rollup merge of #134644 - kpreid:duplicates, r=Mark-Simulacrum

2024-12-26 21:56:48 -05:00

backtrace @ 230570f2da

Try latest backtrace

2024-08-29 12:13:19 -07:00

core

Rollup merge of #133663 - scottmcm:carrying_mul_add, r=Amanieu

2024-12-27 19:47:09 +01:00

panic_abort

step cfg(bootstrap)