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| author | Ben Gamari <ben@smart-cactus.org> | 2017-09-26 09:33:53 -0400 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2017-09-26 11:59:53 -0400 |
| commit | 62464071455ea0472903ef1d94833e5eefb8f74e (patch) | |
| tree | 0e341d37dc98138b2862547199b2cdb21a0aa163 | |
| parent | 6e7c09d083358b07401cbecc36043be5dfe15f84 (diff) | |
| download | haskell-62464071455ea0472903ef1d94833e5eefb8f74e.tar.gz | |
primops: Add some notes regarding the meaning of the "type" field
The overloading of "monadic" definitely deserved some explanation.
[skip ci]
| -rw-r--r-- | compiler/prelude/primops.txt.pp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/compiler/prelude/primops.txt.pp b/compiler/prelude/primops.txt.pp index f2c02ec2f1..afe58498db 100644 --- a/compiler/prelude/primops.txt.pp +++ b/compiler/prelude/primops.txt.pp @@ -38,6 +38,14 @@ -- processors of this file to easily get hold of simple info -- (eg, out_of_line), whilst avoiding parsing complex expressions -- needed for strictness info. +-- +-- type refers to the general category of the primop. Valid settings include, +-- +-- * Compare: A comparison operation of the shape a -> a -> Int# +-- * Monadic: A unary operation of shape a -> a +-- * Dyadic: A binary operation of shape a -> a -> a +-- * GenPrimOp: Any other sort of primop +-- -- The vector attribute is rather special. It takes a list of 3-tuples, each of -- which is of the form <ELEM_TYPE,SCALAR_TYPE,LENGTH>. ELEM_TYPE is the type of |