[Bug target/80040] SSE4.1 ptest not always merged

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80040

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2021-08-21
     Ever confirmed|0                           |1
           Severity|normal                      |enhancement
             Status|UNCONFIRMED                 |NEW

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed. Still happens on the trunk.
blend2(unsigned int*, unsigned int const*, long long __vector(2), int):
.LFB5675:
        .cfi_startproc
        movslq  %edx, %rdx
        vmovdqa (%rsi,%rdx,4), %xmm1
        vptest  %xmm0, %xmm1
        jnb     .L11
        vmovdqa %xmm1, (%rdi,%rdx,4)
        ret
        .p2align 4,,10
        .p2align 3
.L11:
        vptest  %xmm0, %xmm1
        jne     .L18