[fpc-devel] The 15k bounty: Optimizing executable speed for Linux x86 / LLVM
pascaldragon at googlemail.com
Thu Oct 25 21:33:49 CEST 2018
Am 25.10.2018 um 20:34 schrieb Jonas Maebe:
> On 25/10/18 20:13, Florian Klämpfl wrote:
>> Am 25.10.2018 um 18:59 schrieb Jonas Maebe:
>>> On 20/10/18 16:07, Simon Kissel wrote:
>>>> - Complete the LLVM branch of FPC. It looks like Jonas has stopped
>>>> working on it two years ago, which is a pity.
>>> I didn't stop working on it, but I didn't make real progress anymore
>>> either. The current state of the LLVM code
>>> generator is that everything works on Darwin/x86-64, except for
>>> a) exception handling in general: indeed needs DWARF-EH support in
>>> the RTL,
>> This is something I would like to work for years on already. So maybe
>> its now a good opportunity to start with it.
>> I started a branch for
>> As a first step, I'll depend on libgcc unwinding, let's see how far
>> we get.
> Using libgcc's foreign exception support works somewhat, but is not
> very usable in practice due to the limitation of having only one
> exception in flight. I simply started translating all of libgcc's
> exception support to Pascal, since it's also licensed under LGPL +
> linking exception (I took the one from gcc 4.2.1 for the people who
> don't like (L)GPL3).
As you already started working on translating that part of libgcc, would
you please provide what you have so far? :)
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