[Bug regression/32582] Bootstrap with vectorization enabled fails with ICE on PPC

[rakdver at kam dot mff dot cuni dot cz]

------- Comment #16 from rakdver at kam dot mff dot cuni dot cz  2007-07-29 06:33 -------
Subject: Re:  Bootstrap with vectorization enabled fails with ICE on PPC

> >>>>> rakdver at kam dot mff dot cuni dot cz writes:
> 
> rakdver> Probably the problem is that -maltivec does not
> rakdver> imply -mabi=altivec, or some similar omission.
> 
>         -maltivec does not imply -mabi=altivec, which is intended.
> 
>         The Bugzilla PR says the target is powerpc64-linux, which
> implicitly should enable -mabi=altivec.  If this is some other target,
> then the BOOT_CFLAGS should include -mabi=altivec.

it's on ppc-linux.  Nevertheless, it is suspicious that we allow a
fairly natural combination of flags (-O2 -maltivec -ftree-vectorize)
to cause misscompilation.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32582