diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr27528.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr27528.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr27528.c b/gcc/testsuite/gcc.dg/pr27528.c new file mode 100644 index 000000000..4f33a31cb --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr27528.c @@ -0,0 +1,18 @@ +/* Check the warnings and errors generated for asm operands that aren't + obviously constant but that are constrained to be constants. */ +/* { dg-options "" } */ +/* { dg-error "impossible constraint" "" { target *-*-* } 13 } */ +/* { dg-error "impossible constraint" "" { target *-*-* } 14 } */ +/* { dg-error "impossible constraint" "" { target *-*-* } 15 } */ +/* { dg-error "impossible constraint" "" { target *-*-* } 16 } */ +int bar (int); +void +foo (int *x, int y) +{ + int constant = 0; + asm ("# %0" :: "i" (x)); /* { dg-warning "probably doesn't match" } */ + asm ("# %0" :: "i" (bar (*x))); /* { dg-warning "probably doesn't match" } */ + asm ("# %0" :: "i" (*x + 0x11)); /* { dg-warning "probably doesn't match" } */ + asm ("# %0" :: "i" (constant)); /* { dg-warning "probably doesn't match" } */ + asm ("# %0" :: "i" (y * 0)); /* folded */ +} |