[Bug tree-optimization/78319] [7 Regression] PASS->FAIL: gcc.dg/uninit-pred-8_a.c bogus warning (test for bogus messages, line 20)

[rearnsha at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78319

--- Comment #17 from Richard Earnshaw <rearnsha at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #15)

> Unless people commonly use
> RUNTESTFLAGS='--target_board=unix\{-mtune=cortex-a15,-mtune=cortex-m7\}' or
> something similar, that might work well.  The amount of tests that use
> -mtune= in dg-options or dg-additional-options across all arches is big, so
> most likely such RUNTESTFLAGS wouldn't be a very good idea.


I think you're confusing ARM's use of -mtune with x86's.  The x86 equivalent of
-mtune on ARM is -mcpu: it is rare to see -mtune in testsuite runs.

(On ARM there are two main options here -- -march and -mtune: -march selects
the permitted instructions; -mtune controls how to pick from within the
permitted set.  -mcpu is a convenience option that controls both options at the
same time).