On Wed, Apr 1, 2015 at 9:59 AM, Francisco Jerez <curroje...@riseup.net> wrote:
> Connor Abbott <cwabbo...@gmail.com> writes:
>
>> Unfortunately, we can't support unstructured COME FROM yet, since we
>> can't structurize arbitrary control flow graphs. Also TODO is adding
>> support for threading by having multiple come_from's point to the same
>> unconditional branch, as well as various other INTERCAL features.
>>
>
> I believe what we are really badly missing is a
> call-with-current-continuation opcode, COME FROM or any other obscure
> control flow construct of your choice will become a straightforward
> special case. Please fix!
Ok, I feel a little silly saying this, but I have absolutely no idea
what either of you are talking about. What's wrong with calling it
"preds" and what is a call-with-current-continuation opcode and what
does that have to do with a nir_print patch? I'm very confused.
--Jason
>> Signed-off-by: Connor Abbott <cwabbo...@gmail.com>
>> ---
>> src/glsl/nir/nir_print.c | 6 ++----
>> 1 file changed, 2 insertions(+), 4 deletions(-)
>>
>> diff --git a/src/glsl/nir/nir_print.c b/src/glsl/nir/nir_print.c
>> index fa11a31..2086e21 100644
>> --- a/src/glsl/nir/nir_print.c
>> +++ b/src/glsl/nir/nir_print.c
>> @@ -655,12 +655,10 @@ print_block(nir_block *block, print_var_state *state,
>> unsigned tabs, FILE *fp)
>> qsort(preds, block->predecessors->entries, sizeof(nir_block *),
>> compare_block_index);
>>
>> - print_tabs(tabs, fp);
>> - fprintf(fp, "/* preds: ");
>> for (unsigned i = 0; i < block->predecessors->entries; i++) {
>> - fprintf(fp, "block_%u ", preds[i]->index);
>> + print_tabs(tabs, fp);
>> + fprintf(fp, "come_from %u\n", preds[i]->index);
>> }
>> - fprintf(fp, "*/\n");
>>
>> free(preds);
>>
>> --
>> 2.1.0
>>
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