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| author | James E Wilson <wilson@specifixinc.com> | 2005-02-18 23:01:33 +0000 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 2005-02-18 15:01:33 -0800 |
| commit | 61b42179a44ed24837ddaf63c096048fdec22f6b (patch) | |
| tree | 04cf9bb670e2a66ba8720f7c837705d37444e6b5 | |
| parent | 0a9c6fdf03f3a52f6516e36e89fbc4d3d2e6ef29 (diff) | |
| download | gcc-61b42179a44ed24837ddaf63c096048fdec22f6b.zip gcc-61b42179a44ed24837ddaf63c096048fdec22f6b.tar.gz gcc-61b42179a44ed24837ddaf63c096048fdec22f6b.tar.bz2 | |
re PR tree-optimization/18977 (LAPACK test xeigtsts segfaults with optimization)
PR tree-optimization/18977
* gcc.c-torture/execute/loop-ivopts-1.c: New testcase.
From-SVN: r95238
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/loop-ivopts-1.c | 30 |
2 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index ecdc105..4562225 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +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 diff --git a/gcc/testsuite/gcc.c-torture/execute/loop-ivopts-1.c b/gcc/testsuite/gcc.c-torture/execute/loop-ivopts-1.c new file mode 100644 index 0000000..13396fb --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/loop-ivopts-1.c @@ -0,0 +1,30 @@ +/* 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]; +} |