On Fri, Nov 06, 2020 at 04:18:00PM -0600, Peter Bergner via Gcc-patches wrote:
> As part of the MMA base support, we incremented BIGGEST_ALIGNMENT in
> order to align the __vector_pair and __vector_quad types to 256 and 512
> bits respectively. This had the unintended effect of changing the
> defa
On 11/6/20 4:51 PM, Segher Boessenkool wrote:
> The ABI break is all GCC's faultt, but it is exposed by that glibc code,
> sure :-)
Right, and I'm thankful it was caught (fairly) early enough!
>> This passes bootstrap and regtesting on powerpc64le-linux with no
>> regressions.
>> Ok for mainlin
Hi!
On Fri, Nov 06, 2020 at 04:18:00PM -0600, Peter Bergner wrote:
> As part of the MMA base support, we incremented BIGGEST_ALIGNMENT in
> order to align the __vector_pair and __vector_quad types to 256 and 512
> bits respectively. This had the unintended effect of changing the
> default alignme
As part of the MMA base support, we incremented BIGGEST_ALIGNMENT in
order to align the __vector_pair and __vector_quad types to 256 and 512
bits respectively. This had the unintended effect of changing the
default alignment used by __attribute__ ((__aligned__)) which causes
an ABI break because o