[Bug testsuite/91797] New: [10 regression] r273240 breaks test case gcc.target/powerpc/pr68805.c

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91797

            Bug ID: 91797
           Summary: [10 regression] r273240 breaks test case
                    gcc.target/powerpc/pr68805.c
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: testsuite
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

make -k check-gcc RUNTESTFLAGS=powerpc.exp=gcc.target/powerpc/pr68805.c

Executing on host: /home/seurer/gcc/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test/gcc/
/home/seurer/gcc/gcc-test/gcc/testsuite/gcc.target/powerpc/pr68805.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never  -O2 -mdejagnu-cpu=power8 -ffat-lto-objects
-fno-ident -S -o pr68805.s    (timeout = 300)
spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test/gcc/
/home/seurer/gcc/gcc-test/gcc/testsuite/gcc.target/powerpc/pr68805.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -O2 -mdejagnu-cpu=power8 -ffat-lto-objects -fno-ident
-S -o pr68805.s
PASS: gcc.target/powerpc/pr68805.c (test for excess errors)
gcc.target/powerpc/pr68805.c: \\mld\\M found 0 times
FAIL: gcc.target/powerpc/pr68805.c scan-assembler-times \\mld\\M 2
gcc.target/powerpc/pr68805.c: \\mstd\\M found 0 times
FAIL: gcc.target/powerpc/pr68805.c scan-assembler-times \\mstd\\M 2
PASS: gcc.target/powerpc/pr68805.c scan-assembler-not xxpermdi

The difference is, r273239:
        ld 10,0(4)
        ld 9,8(4)
        std 10,0(3)
        std 9,8(3)
        blr

r273240:
        lxvd2x 0,0,4
        stxvd2x 0,0,3
        blr