| /* { dg-do compile } */ |
| /* { dg-require-effective-target size32plus } */ |
| /* { dg-options "-fdump-rtl-final -O2" } */ |
| /* { dg-additional-options "-DALIGN_VAR" { target { ! non_strict_align } } } */ |
| |
| /* Assignments to a whole struct of suitable size (32 bytes) must not be |
| picked apart into field accesses. */ |
| |
| typedef struct { |
| unsigned int f0 : 4; |
| unsigned int f1 : 11; |
| unsigned int f2 : 10; |
| unsigned int f3 : 7; |
| } t0; |
| |
| static t0 a0[] |
| #ifdef ALIGN_VAR |
| __attribute__((aligned (4))) |
| #endif |
| = { |
| { .f0 = 7, .f1 = 99, .f3 = 1, }, |
| { .f0 = 7, .f1 = 251, .f3 = 1, }, |
| { .f0 = 8, .f1 = 127, .f3 = 5, }, |
| { .f0 = 5, .f1 = 1, .f3 = 1, }, |
| { .f0 = 5, .f1 = 1, .f3 = 1, }, |
| { .f0 = 5, .f1 = 1, .f3 = 1, }, |
| }; |
| |
| void |
| foo(void) |
| { |
| __SIZE_TYPE__ i; |
| __SIZE_TYPE__ base = 0x000a0000; |
| for (i = 0; i < (sizeof (a0) / sizeof ((a0)[0])); i++) { |
| *(volatile t0 *) (base + 44 + i * 4) = a0[i]; |
| } |
| } |
| |
| /* The only volatile accesses should be the obvious writes. */ |
| /* { dg-final { scan-rtl-dump-times {\(mem/v} 6 "final" } } */ |
| /* { dg-final { scan-rtl-dump-times {\(set \(mem/v} 6 "final" } } */ |
