| /* PR middle-end/87533 - bogus assume_aligned attribute silently accepted |
| { dg-do compile } |
| { dg-options "-Wall" } */ |
| |
| #define A(...) __attribute__ ((assume_aligned (__VA_ARGS__))) |
| |
| A (1) void fv_1 (void); /* { dg-warning ".assume_aligned. attribute ignored on a function returning .void." } */ |
| |
| A (1) int fi_1 (void); /* { dg-warning ".assume_aligned. attribute ignored on a function returning .int." } */ |
| |
| A (-1) void* fpv_m1 (void); /* { dg-warning ".assume_aligned. attribute argument -1 is not positive" } */ |
| |
| A (0) void* fpv_0 (void); /* { dg-warning ".assume_aligned. attribute argument 0 is not a power of 2" } */ |
| |
| /* Alignment of 1 is fine, it just doesn't offer any benefits. */ |
| A (1) void* fpv_1 (void); |
| |
| A (3) void* fpv_3 (void); /* { dg-warning ".assume_aligned. attribute argument 3 is not a power of 2" } */ |
| |
| A (16383) void* fpv_16km1 (void); /* { dg-warning ".assume_aligned. attribute argument 16383 is not a power of 2" } */ |
| A (16384) void* fpv_16k (void); |
| A (16385) void* fpv_16kp1 (void); /* { dg-warning ".assume_aligned. attribute argument 16385 is not a power of 2" } */ |
| |
| A (32767) void* fpv_32km1 (void); /* { dg-warning ".assume_aligned. attribute argument 32767 is not a power of 2" } */ |
| |
| A (4, -1) void* fpv_4_m1 (void); /* { dg-warning ".assume_aligned. attribute argument -1 is not positive" } */ |
| |
| A (4, 0) void* fpv_4_0 (void); |
| A (4, 1) void* fpv_4_1 (void); |
| A (4, 2) void* fpv_4_2 (void); |
| A (4, 3) void* fpv_4_3 (void); |
| |
| A (4, 4) void* fpv_4_3 (void); /* { dg-warning ".assume_aligned. attribute argument 4 is not in the range \\\[0, 3]" } */ |
| |
| A (4) void* gpv_4_3 (void); |
| A (2) void* gpv_4_3 (void); |