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Clarify the representation of icmp output (#6202)

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* Clarify the representation of `icmp` output

* Reformat

* "ie" => "i.e."

* Update `fcmp` documentation as well
This commit is contained in:
Karl Meakin
2023-04-12 21:05:44 +01:00
committed by GitHub
parent 42528d82b8
commit 91e36f3449
1 changed files with 16 additions and 0 deletions
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16
cranelift/codegen/meta/src/shared/instructions.rs
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@@ -1615,6 +1615,14 @@ pub(crate) fn define(
When this instruction compares integer vectors, it returns a vector of When this instruction compares integer vectors, it returns a vector of
lane-wise comparisons. lane-wise comparisons.
When comparing scalars, the result is:
- `1` if the condition holds.
- `0` if the condition does not hold.
When comparing vectors, the result is:
- `-1` (i.e. all ones) in each lane where the condition holds.
- `0` in each lane where the condition does not hold.
"#, "#,
&formats.int_compare, &formats.int_compare,
) )
@@ -2741,6 +2749,14 @@ pub(crate) fn define(
When this instruction compares floating point vectors, it returns a When this instruction compares floating point vectors, it returns a
vector with the results of lane-wise comparisons. vector with the results of lane-wise comparisons.
When comparing scalars, the result is:
- `1` if the condition holds.
- `0` if the condition does not hold.
When comparing vectors, the result is:
- `-1` (i.e. all ones) in each lane where the condition holds.
- `0` in each lane where the condition does not hold.
"#, "#,
&formats.float_compare, &formats.float_compare,
) )