diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/compile/pr27528.c')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/pr27528.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr27528.c b/gcc/testsuite/gcc.c-torture/compile/pr27528.c new file mode 100644 index 000000000..040049127 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr27528.c @@ -0,0 +1,40 @@ +/* Check that constant constraints like "i", "n" and "s" can be used in + cases where the operand is an initializer constant. */ +/* { dg-require-effective-target nonpic } */ + +int x[2] = { 1, 2 }; + +#ifdef __OPTIMIZE__ +static inline void __attribute__((__always_inline__)) +insn1 (int x) +{ + asm volatile ("" :: "n" (x), "i" (x)); +} + +static inline void __attribute__((__always_inline__)) +insn2 (const void *x) +{ + asm volatile ("" :: "s" (x), "i" (x)); +} +#endif + +void +foo (void) +{ +#ifdef __OPTIMIZE__ + insn1 (2); + insn1 (2); + insn1 (400); + insn1 (__LINE__); + insn2 (x); + insn2 (x); + insn2 (&x[1]); + insn2 ("string"); +#endif + asm volatile ("" :: "s" (x), "i" (x)); + /* At the time of writing, &x[1] is decomposed before reaching expand + when compiling with -O0. */ + asm volatile ("" :: "s" ("string"), "i" ("string")); + asm volatile ("" :: "s" (__FILE__), "i" (__FILE__)); + asm volatile ("" :: "s" (__FUNCTION__), "i" (__FUNCTION__)); +} |