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Add vector compare to 0 optims (#3887)

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Signed-off-by: Freddie Liardet <frederick.liardet@arm.com>
This commit is contained in:
FreddieLiardet
2022-03-10 00:20:06 +00:00
committed by GitHub
parent 8b48ce7fb7
commit 13b9396931
10 changed files with 1748 additions and 162 deletions
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44
cranelift/codegen/src/isa/aarch64/inst/emit.rs
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@@ -1765,6 +1765,50 @@ impl MachInstEmit for Inst {
(0b0, 0b00101, enc_size)
}
VecMisc2::Cmeq0 => (0b0, 0b01001, enc_size),
VecMisc2::Cmge0 => (0b1, 0b01000, enc_size),
VecMisc2::Cmgt0 => (0b0, 0b01000, enc_size),
VecMisc2::Cmle0 => (0b1, 0b01001, enc_size),
VecMisc2::Cmlt0 => (0b0, 0b01010, enc_size),
VecMisc2::Fcmeq0 => {
debug_assert!(
size == VectorSize::Size32x2
|| size == VectorSize::Size32x4
|| size == VectorSize::Size64x2
);
(0b0, 0b01101, enc_size)
}
VecMisc2::Fcmge0 => {
debug_assert!(
size == VectorSize::Size32x2
|| size == VectorSize::Size32x4
|| size == VectorSize::Size64x2
);
(0b1, 0b01100, enc_size)
}
VecMisc2::Fcmgt0 => {
debug_assert!(
size == VectorSize::Size32x2
|| size == VectorSize::Size32x4
|| size == VectorSize::Size64x2
);
(0b0, 0b01100, enc_size)
}
VecMisc2::Fcmle0 => {
debug_assert!(
size == VectorSize::Size32x2
|| size == VectorSize::Size32x4
|| size == VectorSize::Size64x2
);
(0b1, 0b01101, enc_size)
}
VecMisc2::Fcmlt0 => {
debug_assert!(
size == VectorSize::Size32x2
|| size == VectorSize::Size32x4
|| size == VectorSize::Size64x2
);
(0b0, 0b01110, enc_size)
}
};
sink.put4(enc_vec_rr_misc((q << 1) | u, size, bits_12_16, rd, rn));
}