Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/attr-assume_aligned-4.c @ 145:1830386684a0
gcc-9.2.0
| author | anatofuz |
|---|---|
| date | Thu, 13 Feb 2020 11:34:05 +0900 |
| parents | |
| children |
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| 131:84e7813d76e9 | 145:1830386684a0 |
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| 1 /* PR middle-end/87533 - bogus assume_aligned attribute silently accepted | |
| 2 { dg-do compile } | |
| 3 { dg-options "-Wall" } */ | |
| 4 | |
| 5 #define A(...) __attribute__ ((assume_aligned (__VA_ARGS__))) | |
| 6 | |
| 7 A (1) void fv_1 (void); /* { dg-warning ".assume_aligned. attribute ignored on a function returning .void." } */ | |
| 8 | |
| 9 A (1) int fi_1 (void); /* { dg-warning ".assume_aligned. attribute ignored on a function returning .int." } */ | |
| 10 | |
| 11 A (-1) void* fpv_m1 (void); /* { dg-warning ".assume_aligned. attribute argument -1 is not a power of 2" } */ | |
| 12 | |
| 13 A (0) void* fpv_0 (void); /* { dg-warning ".assume_aligned. attribute argument 0 is not a power of 2" } */ | |
| 14 | |
| 15 /* Alignment of 1 is fine, it just doesn't offer any benefits. */ | |
| 16 A (1) void* fpv_1 (void); | |
| 17 | |
| 18 A (3) void* fpv_3 (void); /* { dg-warning ".assume_aligned. attribute argument 3 is not a power of 2" } */ | |
| 19 | |
| 20 A (16383) void* fpv_16km1 (void); /* { dg-warning ".assume_aligned. attribute argument 16383 is not a power of 2" } */ | |
| 21 A (16384) void* fpv_16k (void); | |
| 22 A (16385) void* fpv_16kp1 (void); /* { dg-warning ".assume_aligned. attribute argument 16385 is not a power of 2" } */ | |
| 23 | |
| 24 A (32767) void* fpv_32km1 (void); /* { dg-warning ".assume_aligned. attribute argument 32767 is not a power of 2" } */ | |
| 25 | |
| 26 A (4, -1) void* fpv_4_m1 (void); /* { dg-warning ".assume_aligned. attribute argument -1 is not in the range \\\[0, 3]" } */ | |
| 27 | |
| 28 A (4, 0) void* fpv_4_0 (void); | |
| 29 A (4, 1) void* fpv_4_1 (void); | |
| 30 A (4, 2) void* fpv_4_2 (void); | |
| 31 A (4, 3) void* fpv_4_3 (void); | |
| 32 | |
| 33 A (4, 4) void* fpv_4_3 (void); /* { dg-warning ".assume_aligned. attribute argument 4 is not in the range \\\[0, 3]" } */ | |
| 34 | |
| 35 A (4) void* gpv_4_3 (void); | |
| 36 A (2) void* gpv_4_3 (void); |