diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/pr11001-strlen-3.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr11001-strlen-3.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/pr11001-strlen-3.c b/gcc/testsuite/gcc.target/i386/pr11001-strlen-3.c new file mode 100644 index 000000000..c7a379ae0 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr11001-strlen-3.c @@ -0,0 +1,16 @@ +/* Ensure that we don't use 'repnz scasb' in the presence of register globals. */ +/* { dg-do compile } */ +/* { dg-options "-O1 -w" } */ + +extern __SIZE_TYPE__ strlen (const char *); +extern void *malloc (__SIZE_TYPE__); + +register int regvar asm("%ecx"); + +char * +do_copy (char *str) +{ + return malloc (strlen (str) + 1); +} + +/* { dg-final { scan-assembler-not "repnz scasb" } } */ |