[Bug c/95668] New: patching the commit of SVE on GCC7.3, But fail in test

[Bug c/95668] New: patching the commit of SVE on GCC7.3, But fail in test

[chengcongxiu at huawei dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95668

            Bug ID: 95668
           Summary: patching the commit of SVE on GCC7.3, But fail in test
           Product: gcc
           Version: 7.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: chengcongxiu at huawei dot com
  Target Milestone: ---

Created attachment 48727
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48727&action=edit
The gcc as follow:

The test as follow:

void foo (int *  restrict in, int * restrict out, int s)
{
    for (int i = 0; i < 16; i++) {
      for (int j = 0; j < 6; ++j)
        out[j] = in[j];
      in += 6;
      out += s*6;
     }
}

using gcc compile above test:

        .cfi_startproc
        movi    v5.2s, 0
        add     w2, w2, w2, lsl 1
        ldr     q16, [x0]
        lsl     w2, w2, 1
        ldr     q7, [x0, 16]
        sbfiz   x2, x2, 2, 32
        orr     v4.8b, v5.8b, v5.8b     
        orr     v3.8b, v5.8b, v5.8b
        orr     v2.8b, v5.8b, v5.8b
        orr     v1.8b, v5.8b, v5.8b
        ldr     q6, [x0, 32]
        orr     v0.8b, v5.8b, v5.8b
        orr     v25.8b, v5.8b, v5.8b
        orr     v24.8b, v5.8b, v5.8b
        ins     v4.s[60], v16.s[61]      //this instruction error:
        ins     v5.s[60], v16.s[63]
        ins     v3.s[60], v7.s[63]
        ins     v2.s[60], v7.s[61]
        ins     v1.s[60], v6.s[63]
        add     x5, x1, x2

[Bug c/95668] patching the commit of SVE on GCC7.3, But fail in test

[chengcongxiu at huawei dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95668

--- Comment #1 from chengcongxiu at huawei dot com <chengcongxiu at huawei dot com> ---
./gcc -O3 test.c -S -o -

[Bug target/95668] patching the commit of SVE on GCC7.3, But fail in test

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95668

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2020-06-14
             Status|UNCONFIRMED                 |WAITING
     Ever confirmed|0                           |1

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
GCC 7.x is no longer supported.  Does this work in GCC 8.x or above?  Also are
you backporting the SVE support if so then this is your responsibility to fix
up the issue.

[Bug target/95668] patching the commit of SVE on GCC7.3, But fail in test

[chengcongxiu at huawei dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95668

chengcongxiu at huawei dot com <chengcongxiu at huawei dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
         Resolution|---                         |FIXED

[Bug target/95668] patching the commit of SVE on GCC7.3, But fail in test

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95668

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|FIXED                       |INVALID

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
.