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| author | bors <bors@rust-lang.org> | 2020-12-02 15:17:32 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2020-12-02 15:17:32 +0000 |
| commit | a094ff9590b83c8f94d898f92c2964a5803ded06 (patch) | |
| tree | 9012a5007c09a4a7c1412ad69c5e008db08f3758 /compiler/rustc_serialize/src/json.rs | |
| parent | d37afad0cc87bf709ad10c85319296ac53030f03 (diff) | |
| parent | 53943d6debc78efafa037744774d3216d22a10ad (diff) | |
| download | rust-a094ff9590b83c8f94d898f92c2964a5803ded06.tar.gz rust-a094ff9590b83c8f94d898f92c2964a5803ded06.zip | |
Auto merge of #79547 - erikdesjardins:byval, r=nagisa
Pass arguments up to 2*usize by value In https://github.com/rust-lang/rust/pull/77434#discussion_r498719533, `@eddyb` said: > I wonder if it makes sense to limit this to returns [...] Let's do a perf run and find out. It seems the `extern "C"` ABI will pass arguments up to 2*usize in registers: https://godbolt.org/z/n8E6zc. (modified from https://github.com/rust-lang/rust/issues/26494#issuecomment-619506345) r? `@nagisa`
Diffstat (limited to 'compiler/rustc_serialize/src/json.rs')
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