Re: -fprofile-update=atomic vs. 32-bit architectures

[Sebastian Huber <sebastian.huber@embedded-brains.de>]

On 07.12.22 10:09, Richard Biener wrote:
> On Wed, Dec 7, 2022 at 9:51 AM Sebastian Huber
> <sebastian.huber@embedded-brains.de>  wrote:
>> On 06.12.22 17:08, Richard Biener wrote:
>>> Likely.  I'd use the gimple_build () API from gimple-fold.h which
>>> builds the expression(s) to a gimple_seq creating necessary temporaries
>>> on-the-fly and then insert that sequence on the edge.
>> Thanks, I will have a look at this.
>>
>> I am struggling to convert a uint32_type_node node to a gcov_type_node
>> (64-bit). I tried to use this:
>>
>>         if (result != NULL_TREE)
>>          {
>>             tree tmp1 = make_temp_ssa_name (gcov_type_node, NULL, name);
>>            gassign *stmt7 = gimple_build_assign (result, VIEW_CONVERT_EXPR,
>> build1 (VIEW_CONVERT_EXPR, gcov_type_node,
>>                                             high));
> You want
> 
>    gimple_build_assign (result, NOP_EXPR, high);
> 
> here (a conversion, from unsigned it will zero-extend)

Thanks, with this NOP_EXPR it did work. I have now a proof of concept 
ready. Should I wait for the GCC 14 development cycle or can I post a 
patch set now?

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