Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/pr83363.c @ 132:d34655255c78
update gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 10:21:07 +0900 |
parents | 84e7813d76e9 |
children |
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130:e108057fa461 | 132:d34655255c78 |
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1 /* PR rtl-optimization/83363 */ | |
2 /* { dg-do run } */ | |
3 /* { dg-options "-O2 -fno-forward-propagate" } */ | |
4 | |
5 unsigned char a; | |
6 unsigned int b; | |
7 | |
8 static unsigned short __attribute__ ((noinline, noclone)) | |
9 foo (unsigned short x) | |
10 { | |
11 x -= b; | |
12 x <<= x == 0; | |
13 a = ~0; | |
14 a >>= (unsigned char) x == 0; | |
15 x *= a -= ~a; | |
16 return x; | |
17 } | |
18 | |
19 int | |
20 main () | |
21 { | |
22 asm volatile ("" : : : "memory"); | |
23 if (foo (3) != (unsigned short) (3 * (unsigned char) ~0)) | |
24 __builtin_abort (); | |
25 return 0; | |
26 } |