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This happens both when targeting Android and glibc:
(bionic)hsivonen@localhost:~/Projects/packed_simd$ RUSTFLAGS='-Z macro-backtrace' cargo build --target thumbv7neon-unknown-linux-gnueabihf --verbose Compiling cfg-if v0.1.10 Running `rustc --crate-name cfg_if --edition=2018 /home/hsivonen/.cargo/registry/src/github.com-1285ae84e5963aae/cfg-if-0.1.10/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=eb2569c80076c7ec -C extra-filename=-eb2569c80076c7ec --out-dir /home/hsivonen/Projects/packed_simd/target/thumbv7neon-unknown-linux-gnueabihf/debug/deps --target thumbv7neon-unknown-linux-gnueabihf -L dependency=/home/hsivonen/Projects/packed_simd/target/thumbv7neon-unknown-linux-gnueabihf/debug/deps -L dependency=/home/hsivonen/Projects/packed_simd/target/debug/deps --cap-lints allow -Z macro-backtrace` Compiling libm v0.1.4 Running `rustc --crate-name libm --edition=2018 /home/hsivonen/.cargo/registry/src/github.com-1285ae84e5963aae/libm-0.1.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="stable"' -C metadata=bbe286ea499eab57 -C extra-filename=-bbe286ea499eab57 --out-dir /home/hsivonen/Projects/packed_simd/target/thumbv7neon-unknown-linux-gnueabihf/debug/deps --target thumbv7neon-unknown-linux-gnueabihf -L dependency=/home/hsivonen/Projects/packed_simd/target/thumbv7neon-unknown-linux-gnueabihf/debug/deps -L dependency=/home/hsivonen/Projects/packed_simd/target/debug/deps --cap-lints allow -Z macro-backtrace` Compiling packed_simd_2 v0.3.4 (/home/hsivonen/Projects/packed_simd) Running `rustc --crate-name packed_simd_2 --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=a0a4ef0e719e0d1f -C extra-filename=-a0a4ef0e719e0d1f --out-dir /home/hsivonen/Projects/packed_simd/target/thumbv7neon-unknown-linux-gnueabihf/debug/deps --target thumbv7neon-unknown-linux-gnueabihf -C incremental=/home/hsivonen/Projects/packed_simd/target/thumbv7neon-unknown-linux-gnueabihf/debug/incremental -L dependency=/home/hsivonen/Projects/packed_simd/target/thumbv7neon-unknown-linux-gnueabihf/debug/deps -L dependency=/home/hsivonen/Projects/packed_simd/target/debug/deps --extern cfg_if=/home/hsivonen/Projects/packed_simd/target/thumbv7neon-unknown-linux-gnueabihf/debug/deps/libcfg_if-eb2569c80076c7ec.rmeta --extern libm=/home/hsivonen/Projects/packed_simd/target/thumbv7neon-unknown-linux-gnueabihf/debug/deps/liblibm-bbe286ea499eab57.rmeta -Z macro-backtrace --cfg libcore_neon` error[E0425]: cannot find value `y` in this scope --> src/codegen/shuffle1_dyn.rs:125:51 | 28 | / macro_rules! impl_shuffle1_dyn { 29 | | (u8x8) => { 30 | | cfg_if! { 31 | | if #[cfg(all( ... | 125 | | let (i0, i1) = U { j: y }.s; | | ^ not found in this scope ... | 271 | | ($id:ident) => { impl_fallback!($id); } 272 | | } | |_- in this expansion of `impl_shuffle1_dyn!` ... 277 | impl_shuffle1_dyn!(u8x16); | -------------------------- in this macro invocation error[E0425]: cannot find value `x` in this scope --> src/codegen/shuffle1_dyn.rs:128:48 | 28 | / macro_rules! impl_shuffle1_dyn { 29 | | (u8x8) => { 30 | | cfg_if! { 31 | | if #[cfg(all( ... | 128 | | mem::transmute(x), | | ^ not found in this scope ... | 271 | | ($id:ident) => { impl_fallback!($id); } 272 | | } | |_- in this expansion of `impl_shuffle1_dyn!` ... 277 | impl_shuffle1_dyn!(u8x16); | -------------------------- in this macro invocation error[E0425]: cannot find value `x` in this scope --> src/codegen/shuffle1_dyn.rs:132:48 | 28 | / macro_rules! impl_shuffle1_dyn { 29 | | (u8x8) => { 30 | | cfg_if! { 31 | | if #[cfg(all( ... | 132 | | mem::transmute(x), | | ^ not found in this scope ... | 271 | | ($id:ident) => { impl_fallback!($id); } 272 | | } | |_- in this expansion of `impl_shuffle1_dyn!` ... 277 | impl_shuffle1_dyn!(u8x16); | -------------------------- in this macro invocation error[E0308]: mismatched types --> src/codegen/shuffle1_dyn.rs:136:45 | 28 | / macro_rules! impl_shuffle1_dyn { 29 | | (u8x8) => { 30 | | cfg_if! { 31 | | if #[cfg(all( ... | 136 | | let r = U { s: (r0, r1) }.j; | | ^^ expected struct `Simd`, found struct `uint8x8_t` ... | 271 | | ($id:ident) => { impl_fallback!($id); } 272 | | } | |_- in this expansion of `impl_shuffle1_dyn!` ... 277 | impl_shuffle1_dyn!(u8x16); | -------------------------- in this macro invocation | = note: expected struct `Simd<[u8; 8]>` found struct `uint8x8_t` error[E0308]: mismatched types --> src/codegen/shuffle1_dyn.rs:136:49 | 28 | / macro_rules! impl_shuffle1_dyn { 29 | | (u8x8) => { 30 | | cfg_if! { 31 | | if #[cfg(all( ... | 136 | | let r = U { s: (r0, r1) }.j; | | ^^ expected struct `Simd`, found struct `uint8x8_t` ... | 271 | | ($id:ident) => { impl_fallback!($id); } 272 | | } | |_- in this expansion of `impl_shuffle1_dyn!` ... 277 | impl_shuffle1_dyn!(u8x16); | -------------------------- in this macro invocation | = note: expected struct `Simd<[u8; 8]>` found struct `uint8x8_t` error: aborting due to 5 previous errors Some errors have detailed explanations: E0308, E0425. For more information about an error, try `rustc --explain E0308`. error: could not compile `packed_simd_2` Caused by: process didn't exit successfully: `rustc --crate-name packed_simd_2 --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=a0a4ef0e719e0d1f -C extra-filename=-a0a4ef0e719e0d1f --out-dir /home/hsivonen/Projects/packed_simd/target/thumbv7neon-unknown-linux-gnueabihf/debug/deps --target thumbv7neon-unknown-linux-gnueabihf -C incremental=/home/hsivonen/Projects/packed_simd/target/thumbv7neon-unknown-linux-gnueabihf/debug/incremental -L dependency=/home/hsivonen/Projects/packed_simd/target/thumbv7neon-unknown-linux-gnueabihf/debug/deps -L dependency=/home/hsivonen/Projects/packed_simd/target/debug/deps --extern cfg_if=/home/hsivonen/Projects/packed_simd/target/thumbv7neon-unknown-linux-gnueabihf/debug/deps/libcfg_if-eb2569c80076c7ec.rmeta --extern libm=/home/hsivonen/Projects/packed_simd/target/thumbv7neon-unknown-linux-gnueabihf/debug/deps/liblibm-bbe286ea499eab57.rmeta -Z macro-backtrace --cfg libcore_neon` (exit code: 1)
rustc --version: rustc 1.49.0-nightly (31ee872db 2020-10-28)
rustc --version
rustc 1.49.0-nightly (31ee872db 2020-10-28)
The text was updated successfully, but these errors were encountered:
It appears that the ARMv7 specialization of dynamic shuffles was been bogus, and fixing the typos in 026b10e revealed it.
Sorry, something went wrong.
Disable ARMv7 specialization of dynamic shuffles.
0917fe7
(encoding_rs does not use dynamic shuffles.) See rust-lang#309
Oh, that's "lovely". Thank you for finding that.
f03e5c5
(encoding_rs does not use dynamic shuffles.) See #309
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This happens both when targeting Android and glibc:
rustc --version
:rustc 1.49.0-nightly (31ee872db 2020-10-28)
The text was updated successfully, but these errors were encountered: