[Bug testsuite/105427] New: [12 regression]

[Bug testsuite/105427] New: [12 regression]

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105427

            Bug ID: 105427
           Summary: [12 regression]
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: testsuite
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

g:ad56a60f58c1ed662deaf60d5736c332ec2caabb, r12-8265-gad56a60f58c1ed
make  -k check-gcc RUNTESTFLAGS="powerpc.exp=gcc.target/powerpc/pr92398.p9-.c"
FAIL: gcc.target/powerpc/pr92398.p9-.c scan-assembler-times \\mnot\\M 2
FAIL: gcc.target/powerpc/pr92398.p9-.c scan-assembler-times \\mstd\\M 2
# of expected passes            1
# of unexpected failures        2

This fails on power 9 and power 10.  It used to be not run.


commit ad56a60f58c1ed662deaf60d5736c332ec2caabb (HEAD, refs/bisect/bad)
Author: Segher Boessenkool <segher@kernel.crashing.org>
Date:   Tue Apr 26 11:26:09 2022 +0000

    rs6000: Make the has_arch target selectors actually work


The assembler output isn't very long:

seurer@rain6p1:~/gcc/git/build/gcc-test$
/home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.target/powerpc/pr92398.p9-.c
-fdiagnostics-plain-output -O2 -mvsx -ffat-lto-objects -fno-ident -S -o
pr92398.p9-.s
seurer@rain6p1:~/gcc/git/build/gcc-test$ cat pr92398.p9-.s 
        .file   "pr92398.p9-.c"
        .machine power10
        .abiversion 2
        .section        ".text"
        .align 2
        .p2align 4,,15
        .globl bar
        .type   bar, @function
bar:
.LFB0:
        .cfi_startproc
        .localentry     bar,1
        mtvsrdd 0,5,4
        xxlnor 0,0,0
        stxv 0,0(3)
        blr
        .long 0
        .byte 0,0,0,0,0,0,0,0
        .cfi_endproc
.LFE0:
        .size   bar,.-bar
        .section        .note.GNU-stack,"",@progbits

[Bug testsuite/105427] [12 regression] gcc.target/powerpc/pr92398.p9-.c fails after r12-8265-gad56a60f58c1ed

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105427

--- Comment #1 from Segher Boessenkool <segher at gcc dot gnu.org> ---
mtvsrdd requires ISA 3.0 though (i.e. power9).

[Bug testsuite/105427] [12 regression] gcc.target/powerpc/pr92398.p9-.c fails after r12-8265-gad56a60f58c1ed

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105427

--- Comment #2 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Maybe it needs a dg-skip-if for the has_arch_XXX, instead of in the dg-do
target clause?

[Bug testsuite/105427] [12/13 regression] gcc.target/powerpc/pr92398.p9-.c fails after r12-8265-gad56a60f58c1ed

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105427

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |12.0
            Summary|[12 regression]             |[12/13 regression]
                   |gcc.target/powerpc/pr92398. |gcc.target/powerpc/pr92398.
                   |p9-.c fails after           |p9-.c fails after
                   |r12-8265-gad56a60f58c1ed    |r12-8265-gad56a60f58c1ed

[Bug testsuite/105427] [12/13 regression] gcc.target/powerpc/pr92398.p9-.c fails after r12-8265-gad56a60f58c1ed

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105427

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|12.0                        |12.2

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 12.1 is being released, retargeting bugs to GCC 12.2.

[Bug testsuite/105427] [12/13 regression] gcc.target/powerpc/pr92398.p9-.c fails after r12-8265-gad56a60f58c1ed

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105427

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P2
           Keywords|                            |testsuite-fail

[Bug testsuite/105427] [12/13 regression] gcc.target/powerpc/pr92398.p9-.c fails after r12-8265-gad56a60f58c1ed

[linkw at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105427

Kewen Lin <linkw at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |DUPLICATE
                 CC|                            |linkw at gcc dot gnu.org

--- Comment #4 from Kewen Lin <linkw at gcc dot gnu.org> ---
See comment 1 of PR106345, it's due to incorrect effective target checking.

*** This bug has been marked as a duplicate of bug 106345 ***