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re PR tree-optimization/18977 (LAPACK test xeigtsts segfaults with optimization)

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PR tree-optimization/18977
* gcc.c-torture/execute/loop-ivopts-1.c: New testcase.

From-SVN: r95238
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James E Wilson 2005-02-18 23:01:33 +00:00 committed by Jim Wilson
parent 0a9c6fdf03
commit 61b42179a4
2 changed files with 35 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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2005-02-18 James E Wilson <wilson@specifixinc.com>
PR tree-optimization/18977
* gcc.c-torture/execute/loop-ivopts-1.c: New testcase.
2005-02-18 Ulrich Weigand <uweigand@de.ibm.com>
PR target/20054

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gcc/testsuite/gcc.c-torture/execute/loop-ivopts-1.c Normal file
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/* From PR 18977. */
void foo(float * x);
int main()
{
float x[4];
foo (x);
return 0;
}
void foo (float *x)
{
int i,j,k;
float temp;
static float t16[16]={1.,2.,3.,4.,5.,6.,7.,8.,9.,
10.,11.,12.,13.,14.,15.,16.};
static float tmp[4]={0.,0.,0.,0.};
for (i=0; i<4; i++) {
k = 3 - i;
temp = t16[5*k];
for(j=k+1; j<4; j++) {
tmp[k] = t16[k+ j*4] * temp;
}
}
x[0] = tmp[0];
x[1] = tmp[1];
x[2] = tmp[2];
x[3] = tmp[3];
}