diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/riscv/zalrsc.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/riscv/zalrsc.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/riscv/zalrsc.c b/gcc/testsuite/gcc.target/riscv/zalrsc.c new file mode 100644 index 0000000..19a26bf --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/zalrsc.c @@ -0,0 +1,14 @@ +/* { dg-do compile } */ +/* { dg-options "-march=rv64imfd_zalrsc -mabi=lp64" } */ +/* { dg-skip-if "" { *-*-* } {"-O0"} } */ + +/* lr.w/sc.w */ +int *i; +int lr_sc(int v) +{ + return __atomic_exchange_4(i, v, __ATOMIC_RELAXED); +} + +/* { dg-final { scan-assembler-times {\mlr.w} 1 } } */ +/* { dg-final { scan-assembler-times {\msc.w} 1 } } */ +/* { dg-final { scan-assembler-not {"mv\t"} } } */ |