Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/20141029-1.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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68:561a7518be6b | 111:04ced10e8804 |
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1 /* { dg-do compile } */ | |
2 /* { dg-options "-fstrict-volatile-bitfields -fdump-rtl-final" } */ | |
3 | |
4 #define PERIPH (*(volatile struct system_periph *)0x81234) | |
5 | |
6 struct system_periph { | |
7 union { | |
8 unsigned short WORD; | |
9 struct { | |
10 unsigned short a:1; | |
11 unsigned short b:1; | |
12 unsigned short :5; | |
13 unsigned short c:1; | |
14 unsigned short :8; | |
15 } BIT; | |
16 } ALL; | |
17 } __attribute__((aligned(2))); | |
18 | |
19 void | |
20 foo() | |
21 { | |
22 while (1) | |
23 { | |
24 PERIPH.ALL.BIT.a = 1; | |
25 } | |
26 } | |
27 /* { dg-final { scan-rtl-dump-times "mem/v(/.)*:HI" 4 "final" } } */ |