diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/vax/ffshi.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/vax/ffshi.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/vax/ffshi.c b/gcc/testsuite/gcc.target/vax/ffshi.c new file mode 100644 index 0000000..db592fb --- /dev/null +++ b/gcc/testsuite/gcc.target/vax/ffshi.c @@ -0,0 +1,24 @@ +/* { dg-do compile } */ +/* { dg-options "-fdump-rtl-peephole2" } */ +/* { dg-skip-if "code quality test" { *-*-* } { "-O0" "-O1" } { "" } } */ + +typedef int __attribute__ ((mode (HI))) int_t; + +int +ffshi (int_t *x) +{ + return __builtin_ffs (*x); +} + +/* Expect assembly like: + + ffs $0,$16,*4(%ap),%r0 + jneq .L2 + mnegl $1,%r0 +.L2: + incl %r0 + + */ + +/* { dg-final { scan-rtl-dump-times "Splitting with gen_peephole2" 1 "peephole2" } } */ +/* { dg-final { scan-assembler "\tffs \\\$0,\\\$16," } } */ |