> On Mar 23, 2016, at 2:25 PM, Saleem Abdulrasool via swift-dev
> <swift-dev@swift.org> wrote:
>
> Hi,
>
> I was looking at an ABI related issue on Windows. In trying to construct a
> test case, it seems that I am unable to import a declaration using a long
> double into swift. I was wondering if there is something about long double
> usage in swift that I am unaware of.
>
> Inputs/abi.h:
>
> float fp32_call(void);
> double fp64_call(void);
> long double fp80_call(void);
>
> Inputs/module.map:
>
> module abi {
> header "abi.h"
> }
>
> test.swift:
>
> %swift -I Inputs -parse %s
> import abi
>
> @inline(never)
> func blackhole<T>(t : T) { }
>
> func test_floating_point() {
> }
>
> Thanks!
For better or worse, the failure mode for unsupported C declarations in the
Clang importer is just to discard them. It sounds like we didn't add support
for long double imports.
-Joe
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