compiler: Apply target features to the entry function #146144

heiher · 2025-09-03T04:04:56Z

rustbot · 2025-09-03T04:05:01Z

rustbot has assigned @petrochenkov.
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rustbot · 2025-09-03T04:05:04Z

Some changes occurred in compiler/rustc_codegen_gcc

cc @antoyo, @GuillaumeGomez

Some changes occurred in compiler/rustc_codegen_ssa

cc @WaffleLapkin

compiler/rustc_codegen_ssa/src/traits/misc.rs

compiler/rustc_codegen_llvm/src/context.rs

compiler/rustc_codegen_ssa/src/base.rs

Link: rust-lang/rust#146144 Signed-off-by: Ilikara <3435193369@qq.com>

rustbot · 2025-09-04T07:06:34Z

This PR was rebased onto a different master commit. Here's a range-diff highlighting what actually changed.

Rebasing is a normal part of keeping PRs up to date, so no action is needed—this note is just to help reviewers.

compiler/rustc_codegen_llvm/src/context.rs

petrochenkov · 2025-09-04T13:29:40Z

r=me with the nit #146144 (comment) addressed.
@rustbot author

rustbot · 2025-09-04T13:29:44Z

Reminder, once the PR becomes ready for a review, use @rustbot ready.

AirFortressIlikara · 2025-09-04T14:52:51Z

We compile oma with flags below to avoid lsx:

[DEBUG]: LDFLAGS=-Wl,-O1,--sort-common,--as-needed -Wl,-build-id=sha1 -Wl,-z,relro -Wl,-z,now -fPIC -fPIE -flto -fuse-linker-plugin
[DEBUG]: CFLAGS=-pipe -Wno-error -fstack-protector-strong --param=ssp-buffer-size=4 -fexceptions -fPIC -fPIC -ggdb -O2 -fno-omit-frame-pointer -flto -mabi=lp64d -mstrict-align -march=loongarch64 -mtune=loongarch64 -msimd=none
[DEBUG]: CPPFLAGS=-D_GLIBCXX_ASSERTIONS -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3
[DEBUG]: CXXFLAGS=-ggdb -fpermissive -pipe -Wno-error -fstack-protector-strong --param=ssp-buffer-size=4 -fexceptions -fPIC -fPIC -ggdb -O2 -fno-omit-frame-pointer -flto -mabi=lp64d -mstrict-align -march=loongarch64 -mtune=loongarch64 -msimd=none
[DEBUG]: OBJCFLAGS=-pipe -Wno-error -fstack-protector-strong --param=ssp-buffer-size=4 -fexceptions -fPIC -fPIC -ggdb -O2 -fno-omit-frame-pointer -flto -mabi=lp64d -mstrict-align -march=loongarch64 -mtune=loongarch64 -msimd=none
[DEBUG]: OBJCXXFLAGS=-fpermissive -ggdb -fpermissive -pipe -Wno-error -fstack-protector-strong --param=ssp-buffer-size=4 -fexceptions -fPIC -fPIC -ggdb -O2 -fno-omit-frame-pointer -flto -mabi=lp64d -mstrict-align -march=loongarch64 -mtune=loongarch64 -msimd=none
[DEBUG]: RUSTFLAGS=-Ccodegen-units=1 -Copt-level=3 -Cdebuginfo=line-tables-only -Cforce-frame-pointers=yes -Cembed-bitcode=yes -Clinker-plugin-lto -Clinker=clang -Clink-arg=-flto -Clink-arg=-fuse-ld=lld -Clink-arg=-Wl,-build-id=sha1 -Clink-arg=-Wl,--lto-O3 -Ctarget-cpu=generic-la64 -Ctarget-feature=-lsx,+d -Clink-arg=-mabi=lp64

When using rustc 1.89.0, lsx exists

Recompile rustc 1.89.0 with this patch (f028b9b) , lsx no longer exists

This patch works as we expected

Link: rust-lang/rust#146144 Signed-off-by: Ilikara <3435193369@qq.com>

petrochenkov · 2025-09-05T12:14:49Z

@bors r+

bors · 2025-09-05T12:14:52Z

📌 Commit 923b892 has been approved by petrochenkov

It is now in the queue for this repository.

Rollup of 11 pull requests Successful merges: - #138944 (Add `__isPlatformVersionAtLeast` and `__isOSVersionAtLeast` symbols) - #139113 (unstable book: in a sanitizer example, check the code) - #145735 (style-guide: Document absence of trailing whitespace) - #146041 (tidy: --bless now makes escheck run with --fix) - #146144 (compiler: Apply target features to the entry function) - #146225 (Simplify `{f16, f32, f64, f128}::midpoint()`) - #146234 (change file-is-generated doc comment to inner) - #146241 (rustc_infer: change top-level doc comment to inner) - #146242 (Ensure that `--html-after-content` option is used to check `scrape_examples_ice` rustdoc GUI test) - #146243 (remove couple of redundant clones) - #146250 (Bump stage0 rustfmt) Failed merges: - #146200 (Simplify rustdoc-gui tester by calling directly browser-ui-test) r? `@ghost` `@rustbot` modify labels: rollup

bors · 2025-09-05T23:59:31Z

⌛ Testing commit 923b892 with merge 6c699a3...

Rollup merge of #146144 - heiher:entry-func-features, r=petrochenkov compiler: Apply target features to the entry function Fixes #146143

Link: rust-lang/rust#146144 Signed-off-by: Ilikara <3435193369@qq.com>

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heiher force-pushed the entry-func-features branch from 04f812b to f964331 Compare September 3, 2025 04:06

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heiher force-pushed the entry-func-features branch from f964331 to beb0304 Compare September 3, 2025 11:44

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AirFortressIlikara added a commit to AOSC-Dev/aosc-os-abbs that referenced this pull request Sep 3, 2025

rustc: Apply target features to the entry function

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Link: rust-lang/rust#146144 Signed-off-by: Ilikara <3435193369@qq.com>

heiher force-pushed the entry-func-features branch from beb0304 to 7f26036 Compare September 3, 2025 14:12

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AirFortressIlikara mentioned this pull request Sep 3, 2025

rustc: fix loongarch64-nosimd lto AOSC-Dev/aosc-os-abbs#12376

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MingcongBai mentioned this pull request Sep 4, 2025

arch: loongarch64_nosimd: Pass -mattr=-lsx to the linker plugin for Rust AOSC-Dev/autobuild4#66

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heiher force-pushed the entry-func-features branch from 7f26036 to f028b9b Compare September 4, 2025 07:06

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compiler: Apply target features to the entry function

923b892

heiher force-pushed the entry-func-features branch from f028b9b to 923b892 Compare September 4, 2025 13:57

rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Sep 4, 2025

AirFortressIlikara added a commit to AOSC-Dev/aosc-os-abbs that referenced this pull request Sep 5, 2025

rustc: Apply target features to the entry function

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Link: rust-lang/rust#146144 Signed-off-by: Ilikara <3435193369@qq.com>

bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Sep 5, 2025

fmease mentioned this pull request Sep 5, 2025

Rollup of 11 pull requests #146255

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bors merged commit 1c2d264 into rust-lang:master Sep 5, 2025
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rustbot added this to the 1.91.0 milestone Sep 5, 2025

rust-timer added a commit that referenced this pull request Sep 6, 2025

Unrolled build for #146144

2732afb

Rollup merge of #146144 - heiher:entry-func-features, r=petrochenkov compiler: Apply target features to the entry function Fixes #146143

heiher deleted the entry-func-features branch September 6, 2025 01:25

stydxm pushed a commit to AOSC-Dev/aosc-os-abbs that referenced this pull request Sep 7, 2025

rustc: Apply target features to the entry function

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Link: rust-lang/rust#146144 Signed-off-by: Ilikara <3435193369@qq.com>

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