diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/aarch64/cmpelim_mult_uses_1.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/aarch64/cmpelim_mult_uses_1.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/aarch64/cmpelim_mult_uses_1.c b/gcc/testsuite/gcc.target/aarch64/cmpelim_mult_uses_1.c new file mode 100644 index 00000000000..953c388037f --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/cmpelim_mult_uses_1.c @@ -0,0 +1,17 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +/* X is both compared against zero and used. Make sure we can still + generate an ADDS and avoid an explicit comparison against zero. */ + +int +foo (int x, int y) +{ + x += y; + if (x != 0) + x = x + 2; + return x; +} + +/* { dg-final { scan-assembler-times "adds\\tw\[0-9\]+, w\[0-9\]+, w\[0-9\]+" 1 } } */ +/* { dg-final { scan-assembler-not "cmp\\tw\[0-9\]+, 0" } } */ |