Remove dg-options, so that the test is executed as expected using the
options defined by advsimd-intrinsics.exp.
(Previously we pretend we do, but in fact all torture options are
silently overriden with -O2)
We skip it at -O0, because the tested optimizations does not take
place at this level.
gcc/testsuite/
* gcc.target/aarch64/advsimd-intrinsics/bf16_dup.c: Remove
dg-options.
/* { dg-do assemble { target { aarch64*-*-* } } } */
+/* { dg-skip-if "no optimizations" { *-*-* } { "-O0" } { "" } } */
/* { dg-require-effective-target arm_v8_2a_bf16_neon_ok } */
-/* { dg-options "-O2" } */
/* { dg-add-options arm_v8_2a_bf16_neon } */
/* { dg-additional-options "-save-temps" } */