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rustc_target: RISC-V: feature addition batch 3 #140507

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Merged
merged 3 commits into from
May 2, 2025
Merged

rustc_target: RISC-V: feature addition batch 3 #140507

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adb92ae
rustc_target: Adjust RISC-V feature implication (Za64rs and Za128rs)
a4lg Apr 30, 2025
c6ed786
rustc_target: RISC-V: Add atomics/memory-related extensions
a4lg Apr 30, 2025
501a539
rustc_target: RISC-V: Add BF16 extensions
a4lg Apr 30, 2025
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12 changes: 11 additions & 1 deletion compiler/rustc_target/src/target_features.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -507,7 +507,7 @@ static RISCV_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
("unaligned-vector-mem", Unstable(sym::riscv_target_feature), &[]),
("v", Unstable(sym::riscv_target_feature), &["zvl128b", "zve64d"]),
("za128rs", Unstable(sym::riscv_target_feature), &[]),
("za64rs", Unstable(sym::riscv_target_feature), &[]),
("za64rs", Unstable(sym::riscv_target_feature), &["za128rs"]), // Za64rs ⊃ Za128rs
("zaamo", Unstable(sym::riscv_target_feature), &[]),
("zabha", Unstable(sym::riscv_target_feature), &["zaamo"]),
("zacas", Unstable(sym::riscv_target_feature), &["zaamo"]),
Expand All @@ -526,12 +526,20 @@ static RISCV_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
("zcmop", Unstable(sym::riscv_target_feature), &["zca"]),
("zdinx", Unstable(sym::riscv_target_feature), &["zfinx"]),
("zfa", Unstable(sym::riscv_target_feature), &["f"]),
("zfbfmin", Unstable(sym::riscv_target_feature), &["f"]), // and a subset of Zfhmin
("zfh", Unstable(sym::riscv_target_feature), &["zfhmin"]),
("zfhmin", Unstable(sym::riscv_target_feature), &["f"]),
("zfinx", Unstable(sym::riscv_target_feature), &["zicsr"]),
("zhinx", Unstable(sym::riscv_target_feature), &["zhinxmin"]),
("zhinxmin", Unstable(sym::riscv_target_feature), &["zfinx"]),
("zic64b", Unstable(sym::riscv_target_feature), &[]),
("zicbom", Unstable(sym::riscv_target_feature), &[]),
("zicbop", Unstable(sym::riscv_target_feature), &[]),
("zicboz", Unstable(sym::riscv_target_feature), &[]),
("ziccamoa", Unstable(sym::riscv_target_feature), &[]),
("ziccif", Unstable(sym::riscv_target_feature), &[]),
("zicclsm", Unstable(sym::riscv_target_feature), &[]),
("ziccrse", Unstable(sym::riscv_target_feature), &[]),
("zicntr", Unstable(sym::riscv_target_feature), &["zicsr"]),
("zicond", Unstable(sym::riscv_target_feature), &[]),
("zicsr", Unstable(sym::riscv_target_feature), &[]),
Expand All @@ -558,6 +566,8 @@ static RISCV_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
("zve64d", Unstable(sym::riscv_target_feature), &["zve64f", "d"]),
("zve64f", Unstable(sym::riscv_target_feature), &["zve32f", "zve64x"]),
("zve64x", Unstable(sym::riscv_target_feature), &["zve32x", "zvl64b"]),
("zvfbfmin", Unstable(sym::riscv_target_feature), &["zve32f"]),
("zvfbfwma", Unstable(sym::riscv_target_feature), &["zfbfmin", "zvfbfmin"]),
("zvfh", Unstable(sym::riscv_target_feature), &["zvfhmin", "zve32f", "zfhmin"]), // Zvfh ⊃ Zvfhmin
("zvfhmin", Unstable(sym::riscv_target_feature), &["zve32f"]),
("zvkb", Unstable(sym::riscv_target_feature), &["zve32x"]),
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10 changes: 10 additions & 0 deletions tests/ui/check-cfg/target_feature.stderr
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Expand Up @@ -324,12 +324,20 @@ LL | cfg!(target_feature = "_UNEXPECTED_VALUE");
`zcmop`
`zdinx`
`zfa`
`zfbfmin`
`zfh`
`zfhmin`
`zfinx`
`zhinx`
`zhinxmin`
`zic64b`
`zicbom`
`zicbop`
`zicboz`
`ziccamoa`
`ziccif`
`zicclsm`
`ziccrse`
`zicntr`
`zicond`
`zicsr`
Expand All @@ -356,6 +364,8 @@ LL | cfg!(target_feature = "_UNEXPECTED_VALUE");
`zve64d`
`zve64f`
`zve64x`
`zvfbfmin`
`zvfbfwma`
`zvfh`
`zvfhmin`
`zvkb`
Expand Down
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