[igt-dev] [PATCH i-g-t] tools/aubdump: Fix ISO C90 forbids mixed declarations and code warning

[Tvrtko Ursulin]

On 09/04/2018 18:03, Scott D Phillips wrote:
> Tvrtko Ursulin <tursulin at ursulin.net> writes:
> 
>> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
>>
>> Back to a clean build with no warnings, at least for me.
> 
> Why c90? If that's the language we mean to target then we should
> probably add it to the build system so people with gcc 5.1 and later
> will see the warnings too. fwiw, my build with clang 6 gives a couple
> dozen warnings.

I am building under Ubuntu 17.10 with GCC 7.2.0. Normal configure && 
make, and get this warning. And since I can't spot that IGT is setting 
the C standard explicitly, I guess that's the default.

This one is the only warning on my build btw.

Regards,

Tvrtko

>> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
>> Cc: Jordan Justen <jordan.l.justen at intel.com>
>> Cc: Scott D Phillips <scott.d.phillips at intel.com>
>> ---
>>   tools/aubdump.c | 7 ++++---
>>   1 file changed, 4 insertions(+), 3 deletions(-)
>>
>> diff --git a/tools/aubdump.c b/tools/aubdump.c
>> index 267061b0fc2b..2d2b6c607a43 100644
>> --- a/tools/aubdump.c
>> +++ b/tools/aubdump.c
>> @@ -394,10 +394,11 @@ gen8_emit_ggtt_pte_for_range(uint64_t start, uint64_t end)
>>   
>>   	entry_addr = start & ~(4096 - 1);
>>   	do {
>> +		uint64_t last_page_entry, num_entries;
>> +
>>   		page_num = entry_addr >> 21;
>> -		uint64_t last_page_entry =
>> -			min((page_num + 1) << 21, end_aligned);
>> -		uint64_t num_entries = (last_page_entry - entry_addr) >> 12;
>> +		last_page_entry = min((page_num + 1) << 21, end_aligned);
>> +		num_entries = (last_page_entry - entry_addr) >> 12;
>>   		mem_trace_memory_write_header_out(
>>   			entry_addr >> 9, num_entries * GEN8_PTE_SIZE,
>>   			AUB_MEM_TRACE_MEMORY_ADDRESS_SPACE_GGTT_ENTRY);
>> -- 
>> 2.14.1
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