diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/cris/builtin_ctz_v8.c')
-rw-r--r-- | gcc/testsuite/gcc.target/cris/builtin_ctz_v8.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/cris/builtin_ctz_v8.c b/gcc/testsuite/gcc.target/cris/builtin_ctz_v8.c new file mode 100644 index 000000000..853b1740a --- /dev/null +++ b/gcc/testsuite/gcc.target/cris/builtin_ctz_v8.c @@ -0,0 +1,12 @@ +/* Check that we use the swap insn for ctz by checking assembler output. + The swap instruction was implemented in v8. */ +/* { dg-do compile } */ +/* { dg-skip-if "" { "cris*-*-elf" } { "-march*" } { "" } } */ +/* { dg-options "-O2 -march=v8" } */ +/* { dg-final { scan-assembler "\[ \t\]swapwbr\[ \t\]" } } */ + +int +f (int a) +{ + return __builtin_ctz(a); +} |