[Bug target/70010] powerpc: -flto forgets 'no-vsx' function attributes

[cyrilbur at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70010

--- Comment #5 from Cyril Bur <cyrilbur at gmail dot com> ---
Hi Martin,

(After forgetting -O2 and wondering why everything changed: conclusion -O2 is
important for this)

I added -fno-inline (so: -O2 -Wall -Wextra -flto -fno-inline) to my cases and
while optimisations may have caused altivec_touch_fn() to be a bit strange:


0000000010000650 <.altivec_touch_fn>:
    10000650:   60 00 00 00     nop
    10000654:   10 00 04 c4     vxor    v0,v0,v0
    10000658:   39 22 80 90     addi    r9,r2,-32624
    1000065c:   7c 00 49 ce     stvx    v0,0,r9
    10000660:   4e 80 00 20     blr

It does use Altivec and not VSX.

I believe this confirms your statement.