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Add switch to turn on/off NaN canonicalization.

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This commit is contained in:
losfair
2020-03-16 23:40:02 +08:00
parent 8ea7bfd563
commit 5d26d92d9b
3 changed files with 340 additions and 184 deletions
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4
lib/runtime-core/src/backend.rs
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@ -132,6 +132,10 @@ pub struct CompilerConfig {
/// When enabled there can be a small amount of runtime performance overhead. /// When enabled there can be a small amount of runtime performance overhead.
pub full_preemption: bool, pub full_preemption: bool,
/// Whether to enable spec-compliant NaN canonicalization at all places.
/// Enabling this increases runtime overhead.
pub nan_canonicalization: bool,
pub features: Features, pub features: Features,
// Target info. Presently only supported by LLVM. // Target info. Presently only supported by LLVM.

437
lib/singlepass-backend/src/codegen_x64.rs
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File diff suppressed because it is too large Load Diff

5
lib/spectests/tests/spectest.rs
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@ -336,6 +336,7 @@ mod tests {
simd: true, simd: true,
threads: true, threads: true,
}, },
nan_canonicalization: true,
..Default::default() ..Default::default()
}; };
let module = compile_with_config(&module.into_vec(), config) let module = compile_with_config(&module.into_vec(), config)
@ -774,6 +775,7 @@ mod tests {
simd: true, simd: true,
threads: true, threads: true,
}, },
nan_canonicalization: true,
..Default::default() ..Default::default()
}; };
compile_with_config(&module.into_vec(), config) compile_with_config(&module.into_vec(), config)
@ -826,6 +828,7 @@ mod tests {
simd: true, simd: true,
threads: true, threads: true,
}, },
nan_canonicalization: true,
..Default::default() ..Default::default()
}; };
compile_with_config(&module.into_vec(), config) compile_with_config(&module.into_vec(), config)
@ -877,6 +880,7 @@ mod tests {
simd: true, simd: true,
threads: true, threads: true,
}, },
nan_canonicalization: true,
..Default::default() ..Default::default()
}; };
let module = compile_with_config(&module.into_vec(), config) let module = compile_with_config(&module.into_vec(), config)
@ -972,6 +976,7 @@ mod tests {
simd: true, simd: true,
threads: true, threads: true,
}, },
nan_canonicalization: true,
..Default::default() ..Default::default()
}; };
let module = compile_with_config(&module.into_vec(), config) let module = compile_with_config(&module.into_vec(), config)