Skip to content

Add spin_loop hint for RISC-V architecture #91548

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Dec 11, 2021
Merged

Add spin_loop hint for RISC-V architecture #91548

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
70855b2
Add spin_loop hint for RISC-V architecture
luojia65 Dec 5, 2021
0ccf58b
Update stdarch dependency
luojia65 Dec 9, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 5 additions & 0 deletions library/core/src/hint.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -137,6 +137,11 @@ pub fn spin_loop() {
unsafe { crate::arch::arm::__yield() };
}
}

#[cfg(any(target_arch = "riscv32", target_arch = "riscv64"))]
{
crate::arch::riscv::pause();
}
}

/// An identity function that *__hints__* to the compiler to be maximally pessimistic about what
Expand Down
2 changes: 1 addition & 1 deletion library/stdarch
Open in desktop
Submodule stdarch updated 39 files
+1 −1 .github/workflows/main.yml
+2 −2 ci/docker/aarch64-unknown-linux-gnu/Dockerfile
+6 −2 ci/docker/armv7-unknown-linux-gnueabihf/Dockerfile
+1 −1 ci/run-docker.sh
+11 −1 ci/run.sh
+73 −73 crates/core_arch/avx512f.md
+120 −120 crates/core_arch/src/aarch64/neon/generated.rs
+2 −2 crates/core_arch/src/aarch64/neon/mod.rs
+532 −490 crates/core_arch/src/arm_shared/neon/generated.rs
+1 −2 crates/core_arch/src/arm_shared/neon/mod.rs
+2 −0 crates/core_arch/src/core_arch_docs.md
+14 −0 crates/core_arch/src/mod.rs
+10 −0 crates/core_arch/src/riscv/mod.rs
+3 −3 crates/core_arch/src/simd.rs
+604 −0 crates/core_arch/src/x86/avx512bw.rs
+2,292 −0 crates/core_arch/src/x86/avx512f.rs
+1 −1 crates/core_arch/src/x86/avx512gfni.rs
+3 −5 crates/core_arch/src/x86/sse41.rs
+0 −115 crates/intrinsic-test/missing.txt
+133 −0 crates/intrinsic-test/missing_aarch64.txt
+334 −0 crates/intrinsic-test/missing_arm.txt
+6 −0 crates/intrinsic-test/src/acle_csv_parser.rs
+3 −0 crates/intrinsic-test/src/intrinsic.rs
+53 −31 crates/intrinsic-test/src/main.rs
+16 −1 crates/intrinsic-test/src/types.rs
+1 −0 crates/simd-test-macro/src/lib.rs
+205 −0 crates/std_detect/src/detect/arch/riscv.rs
+21 −0 crates/std_detect/src/detect/error_macros.rs
+7 −0 crates/std_detect/src/detect/mod.rs
+2 −1 crates/std_detect/src/detect/os/freebsd/auxvec.rs
+21 −3 crates/std_detect/src/detect/os/linux/auxvec.rs
+32 −0 crates/std_detect/src/detect/os/linux/cpuinfo.rs
+4 −1 crates/std_detect/src/detect/os/linux/mod.rs
+73 −0 crates/std_detect/src/detect/os/linux/riscv.rs
+1 −0 crates/std_detect/src/lib.rs
+16 −16 crates/stdarch-gen/neon.spec
+9 −9 crates/stdarch-gen/src/main.rs
+2 −0 crates/stdarch-verify/tests/arm.rs
+0 −0 rustfmt.toml