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Auto merge of #77259 - dgbo:master, r=kennytm
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update stdarch submodule

This commit update the src/stdarch submodule, we primarily want to include [https://github.com/rust-lang/stdarch/pull/918](url) which provides prefetch hints for aarch64. This PR could deliver ~20% performance gain on our aarch64 server in Filecoin. Wish this could be used as soon as possible.

Thanks.
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@bors
bors committed Sep 27, 2020
2 parents d902752 + 2e64ff9 commit 1d216fe
Showing 1 changed file with 1 addition and 1 deletion.
2 changes: 1 addition & 1 deletion library/stdarch
Submodule stdarch updated 15 files
+124 −124 crates/core_arch/avx512f.md
+3 −0 crates/core_arch/src/aarch64/mod.rs
+89 −0 crates/core_arch/src/aarch64/prefetch.rs
+1 −0 crates/core_arch/src/lib.rs
+1 −3 crates/core_arch/src/simd_llvm.rs
+1 −1 crates/core_arch/src/wasm32/simd128.rs
+6,208 −2,106 crates/core_arch/src/x86/avx512f.rs
+10 −6 crates/core_arch/src/x86/mod.rs
+0 −14 crates/core_arch/src/x86/sse42.rs
+532 −0 crates/core_arch/src/x86_64/avx512f.rs
+46 −33 crates/std_detect/src/detect/cache.rs
+1 −1 crates/std_detect/src/detect/mod.rs
+1 −0 crates/stdarch-verify/src/lib.rs
+2 −1 crates/stdarch-verify/tests/arm.rs
+3 −0 crates/stdarch-verify/tests/x86-intel.rs

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