diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/string-opt-1.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/string-opt-1.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/string-opt-1.c b/gcc/testsuite/gcc.dg/string-opt-1.c new file mode 100644 index 000000000..bc0f30098 --- /dev/null +++ b/gcc/testsuite/gcc.dg/string-opt-1.c @@ -0,0 +1,11 @@ +/* Ensure mempcpy is not "optimized" into memcpy followed by addition. */ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +void * +fn (char *x, char *y, int z) +{ + return __builtin_mempcpy (x, y, z); +} + +/* { dg-final { scan-assembler-not "memcpy" } } */ |