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| author | Erik de Castro Lopo <erikd@mega-nerd.com> | 2017-04-12 14:09:49 -0400 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2017-04-12 14:53:06 -0400 |
| commit | aa206346e6f12c9f88fdf051185741761ea88fbb (patch) | |
| tree | 3963e016c48662f00cf5c53cf3d75af05322092d /compiler | |
| parent | bb3712bf772fecb965f56a356ccf61437d324dcf (diff) | |
| download | haskell-aa206346e6f12c9f88fdf051185741761ea88fbb.tar.gz | |
base: Implement bit casts between word and float types
Test Plan: Test on x86 and x86_64
Reviewers: duncan, trofi, simonmar, tibbe, hvr, austin, rwbarton,
bgamari
Reviewed By: duncan
Subscribers: Phyx, DemiMarie, rwbarton, thomie
Differential Revision: https://phabricator.haskell.org/D3358
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/prelude/primops.txt.pp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/compiler/prelude/primops.txt.pp b/compiler/prelude/primops.txt.pp index 8c936c6ac5..8c9cc92b9a 100644 --- a/compiler/prelude/primops.txt.pp +++ b/compiler/prelude/primops.txt.pp @@ -2830,8 +2830,9 @@ pseudoop "unsafeCoerce#" * Casting {\tt Any} back to the real type - * Casting an unboxed type to another unboxed type of the same size - (but not coercions between floating-point and integral types) + * Casting an unboxed type to another unboxed type of the same size. + (Casting between floating-point and integral types does not work. + See the {\tt GHC.Float} module for functions to do work.) * Casting between two types that have the same runtime representation. One case is when the two types differ only in "phantom" type parameters, for example |