On Fri, Nov 18, 2016 at 05:19:31PM +, Iain Sandoe wrote:
> I’d like to do that; is there a way to force a jump table for a limited set
> of cases?
> (the example was about the smallest I could get where GCC elected to produce
> a jump table instead of branches)
--param case-values-threshol
Hi Mike,
> On 18 Nov 2016, at 17:16, Mike Stump wrote:
>
> On Nov 18, 2016, at 4:33 AM, Iain Sandoe wrote:
>>
>> As discussed on IRC, I was under the impression that it is desired to move
>> away from #ifdef towards if() and I have been adding those where locally
>> things have been touched
On Nov 18, 2016, at 4:33 AM, Iain Sandoe wrote:
>
> As discussed on IRC, I was under the impression that it is desired to move
> away from #ifdef towards if() and I have been adding those where locally
> things have been touched - in this case it was only partially possible.
>
> However, FAOD
Hi Segher,
Thanks for the review,
> On 6 Nov 2016, at 22:09, Segher Boessenkool
> wrote:
>
> On Sun, Nov 06, 2016 at 12:13:16PM -0800, Iain Sandoe wrote:
>> 2016-11-06 Iain Sandoe
>>
>> PR target/57438
>> * config/i386/i386.c (ix86_code_end): Note that we emitted code where
>>
On Nov 6, 2016, at 12:13 PM, Iain Sandoe wrote:
>
> OK for trunk?
> OK for open branches?
For the darwin parts, Ok.
> 2016-11-06 Iain Sandoe
>
> PR target/57438
> * config/i386/i386.c (ix86_code_end): Note that we emitted code where
> the
> function might otherwise appear
Hi Iain,
On Sun, Nov 06, 2016 at 12:13:16PM -0800, Iain Sandoe wrote:
> 2016-11-06 Iain Sandoe
>
> PR target/57438
> * config/i386/i386.c (ix86_code_end): Note that we emitted code where
> the
> function might otherwise appear empty for picbase thunks.
> (ix86_output_f
Hi Folks,
PR57438 has two manifestations - which arise from the same root cause.
A.
Empty function bodies causes two problems for Darwin's linker (i) zero-length
FDEs and (ii) coincident label addresses that might point to items of differing
weakness.
B.
Trailing local labels can be problemat
