[PATCH] lib: bzip2: remove inlining

Heinrich Schuchardt heinrich.schuchardt at canonical.com
Thu Feb 23 17:39:08 CET 2023

On 2/23/23 17:30, Tom Rini wrote:
> On Thu, Feb 23, 2023 at 08:15:25AM +0100, Heinrich Schuchardt wrote:
>> Compiling sandbox_defconfig with CONFIG_CC_OPTIMIZE_FOR_DEBUG=y and
>> gcc 12.2.0-14ubuntu1 leads to a build error:
>>      lib/bzip2/bzlib.c: In function 'BZ2_decompress':
>>      lib/bzip2/bzlib.c:726:18: error: inlining failed in call to
>>      'always_inline' 'BZ2_indexIntoF': function not considered for inlining
>>        726 | __inline__ Int32 BZ2_indexIntoF ( Int32 indx, Int32 *cftab )
>>            |                  ^
>> Leave it to the compiler if it inlines or not.
>> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
> What did previous compilers do here? If we're telling the compiler to
> always inline, presumably for good reason, we shouldn't just stop.

Inlining may make the code a bit faster. But without inlining it would 
be smaller. Grep for BZ_GET_SMALL to find where the inlined function is 

In test/compression.c we check the result. 'ut compression' does not 
find a problem.

Best regards


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