[Bug target/120233] [16 Regression] FAIL: gcc.target/i386/pr108938-3.c scan-assembler-times bswap[\t ]+ 3 by r16-531-g37e61c793c1b22

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120233

--- Comment #11 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by H.J. Lu <hjl@gcc.gnu.org>:

https://gcc.gnu.org/g:c475080b3a11d530f0c5415d3776d42101ff282d

commit r16-7576-gc475080b3a11d530f0c5415d3776d42101ff282d
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Feb 19 08:03:35 2026 +0800

    x86: Update gcc.target/i386/pr108938-3.c

    commit 4b71cafc8447e09ee41aff02acb5b26e8b112466
    Author: Jakub Jelinek <jakub@redhat.com>
    Date:   Tue Feb 17 11:43:43 2026 +0100

        bswap: Handle VEC_PACK_TRUNC_EXPR [PR120233]

    compiles

    void
    foo2 (char* a, short* __restrict b)
    {
      a[0] = b[0] >> 8;
      a[1] = b[0];
      a[2] = b[1] >> 8;
      a[3] = b[1];
    }

    into

            movl    (%rsi), %eax
            bswap   %eax
            roll    $16, %eax
            movl    %eax, (%rdi)
            ret

    instead of

            movzwl  (%rsi), %eax
            movzwl  2(%rsi), %edx
            movl    %eax, %ecx
            sall    $16, %eax
            sarw    $8, %cx
            movzwl  %cx, %ecx
            orl     %ecx, %eax
            movd    %eax, %xmm0
            movl    %edx, %eax
            sall    $16, %edx
            sarw    $8, %ax
            movdqa  %xmm0, %xmm2
            movzwl  %ax, %eax
            orl     %eax, %edx
            movd    %edx, %xmm1
            punpcklbw       %xmm1, %xmm2
            punpcklbw       %xmm1, %xmm0
            pshufd  $65, %xmm2, %xmm2
            punpcklbw       %xmm2, %xmm0
            movd    %xmm0, (%rdi)
            ret

    Update gcc.target/i386/pr108938-3.c to also scan 3 bswaps for x86-64.

            PR target/120233
            * gcc.target/i386/pr108938-3.c: Also scan 3 bswaps for x86-64.

    Signed-off-by: H.J. Lu <hjl.tools@gmail.com>