[Bug tree-optimization/91322] [10 regression] alias-4 test failure

hubicka at ucw dot cz gcc-bugzilla@gcc.gnu.org
Sat Apr 4 19:51:18 GMT 2020


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91322

--- Comment #13 from Jan Hubicka <hubicka at ucw dot cz> ---
> Which ARM target has 16-bit int?
> I don't see INT_TYPE_SIZE nor SHORT_TYPE_SIZE defined in config/arm/*, neither
> BITS_PER_WORD, so all depends on UNITS_PER_WORD, which is 4 and thus short is
> 16-bit and int is 32-bit.

Hmm, you are right - I messed up target triplets. With arm-linux-gnueabi
I see 4 byte int and the testcase calls abort.
However it is still missed optimization.  I will check why we end up
with different code than x86 LTO.

Honza


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