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view gcc/testsuite/gcc.dg/pr50078.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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/* PR tree-optimization/50078 */ /* { dg-do compile } */ /* { dg-options "-O2" } */ unsigned nonvolvar[2]; void test (int arg) { unsigned v = *(volatile unsigned *) (&nonvolvar[arg]); *(volatile unsigned *) (&nonvolvar[arg]) = v; } /* { dg-final { scan-assembler-times "movl\[^\n\r\]*nonvolvar" 2 { target { { i?86-*-* x86_64-*-* } && nonpic } } } } */