https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113622
--- Comment #3 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #2)
> x86_64 Testcase (which invokes undefined behavior) which has been failing
> since at least 4.9.1 even:
> ```
> typedef double __attribute__ ((vector_size (16))) vec;
> register vec a asm("ymm2"), b asm("ymm0"), c asm("ymm1");
>
> void
> test (void)
> {
> for (int i = 0; i < 4; i++)
> c[i] = a[i] < b[i] ? 0.1 : 0.2;
> }
> ```
Phew. Then maybe I should refactor the LoongArch test cases to avoid using
named registers...
