diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/visibility-11.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/visibility-11.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/visibility-11.c b/gcc/testsuite/gcc.dg/visibility-11.c new file mode 100644 index 000000000..d616fe9ae --- /dev/null +++ b/gcc/testsuite/gcc.dg/visibility-11.c @@ -0,0 +1,26 @@ +/* PR middle-end/20297 */ +/* The memcpy FUNCTION_DECL built in the middle-end for block moves got + hidden visibility from the first push, so the call didn't use the PLT. */ + +/* { dg-do compile { target i?86-*-* x86_64-*-* } } */ +/* { dg-skip-if "" { *-*-darwin* } { "*" } { "" } } */ +/* { dg-require-visibility "" } */ +/* { dg-require-effective-target fpic } */ +/* { dg-options "-Os -fpic -mstringop-strategy=libcall" } */ +/* { dg-final { scan-assembler "memcpy@PLT" } } */ + +#pragma GCC visibility push(hidden) +#pragma GCC visibility push(default) +extern void* memcpy (void *, const void *, __SIZE_TYPE__); +#pragma GCC visibility pop + +struct a { int a[4096]; }; + +extern void *bar (struct a *, struct a *, int); + +void * +foo (struct a *a, struct a *b, int c) +{ + struct a cc = *b; + return bar (a, &cc, 4 * c); +} |