[gcc r14-6454] aarch64: Add dg-options to prfm_imm_offset_2.c

[Richard Sandiford]

https://gcc.gnu.org/g:0640bc76cd0937069bdeea71aa9e1076d633ed97

commit r14-6454-g0640bc76cd0937069bdeea71aa9e1076d633ed97
Author: Richard Sandiford <richard.sandiford@arm.com>
Date:   Tue Dec 12 10:09:53 2023 +0000

    aarch64: Add dg-options to prfm_imm_offset_2.c
    
    gcc/testsuite/
            * gcc.target/aarch64/prfm_imm_offset_2.c: Add dg-options.

Diff:
---
 gcc/testsuite/gcc.target/aarch64/prfm_imm_offset_2.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/testsuite/gcc.target/aarch64/prfm_imm_offset_2.c b/gcc/testsuite/gcc.target/aarch64/prfm_imm_offset_2.c
index 2dd695157f2..04e3fb72c45 100644
--- a/gcc/testsuite/gcc.target/aarch64/prfm_imm_offset_2.c
+++ b/gcc/testsuite/gcc.target/aarch64/prfm_imm_offset_2.c
@@ -1 +1,2 @@
+/* { dg-options "-O2" } */
 void f(char *p) { asm("prfm pldl1keep, %a0\n" :: "p" (p + 6)); }