Move Float16 software implementation to a Julia runtime library.

JuliaLang · Oct 14, 2020 · 3851ac5 · 3851ac5
1 parent 6615292
commit 3851ac5
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Showing 8 changed files with 387 additions and 204 deletions.
diff --git a/base/Base.jl b/base/Base.jl
@@ -129,6 +129,10 @@ end
 include(strcat((length(Core.ARGS)>=2 ? Core.ARGS[2] : ""), "build_h.jl")) # include($BUILDROOT/base/build_h.jl)
 include(strcat((length(Core.ARGS)>=2 ? Core.ARGS[2] : ""), "version_git.jl")) # include($BUILDROOT/base/version_git.jl)
 
+# run-time library
+include("runtime/runtime.jl")
+using .Runtime
+
 # numeric operations
 include("hashing.jl")
 include("rounding.jl")

diff --git a/base/boot.jl b/base/boot.jl
@@ -779,11 +779,11 @@ Unsigned(x::Int64) = UInt64(x)
 Signed(x::UInt128) = Int128(x)
 Unsigned(x::Int128) = UInt128(x)
 
-Signed(x::Union{Float32, Float64, Bool}) = Int(x)
-Unsigned(x::Union{Float32, Float64, Bool}) = UInt(x)
+Signed(x::Union{Float16, Float32, Float64, Bool}) = Int(x)
+Unsigned(x::Union{Float16, Float32, Float64, Bool}) = UInt(x)
 
 Integer(x::Integer) = x
-Integer(x::Union{Float32, Float64}) = Int(x)
+Integer(x::Union{Float16, Float32, Float64}) = Int(x)
 
 # Binding for the julia parser, called as
 #

diff --git a/base/essentials.jl b/base/essentials.jl
@@ -420,8 +420,6 @@ julia> reinterpret(Float32, UInt32[1 2 3 4 5])
 ```
 """
 reinterpret(::Type{T}, x) where {T} = bitcast(T, x)
-reinterpret(::Type{Unsigned}, x::Float16) = reinterpret(UInt16,x)
-reinterpret(::Type{Signed}, x::Float16) = reinterpret(Int16,x)
 
 """
  sizeof(T::DataType)