Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/overflow-1.c @ 111:04ced10e8804
gcc 7
author | kono |
---|---|
date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children |
line wrap: on
line source
/* PR optimization/13318 */ /* Origin: <bremner@unb.ca> */ /* Reduced testcase: Wolfgang Bangerth <bangerth@dealii.org> */ /* Verify that the big multiplier doesn't cause an integer overflow in the loop optimizer. */ /* { dg-do compile } */ /* { dg-options "-O2" } */ struct S { int key; int rnext,rprev; }; void foo(struct S* H) { int i, k; for (i=0; i<2; i++){ struct S* cell=H+k; cell->key=i*(0xffffffffUL/2); cell->rnext=k+(1-i); cell->rprev=k+(1-i); } }