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| author | Richard Guenther <rguenther@suse.de> | 2010-02-07 13:42:52 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2010-02-07 13:42:52 +0000 |
| commit | cb6b911a63724d5efd5b48b9ae0dac09c3060e85 (patch) | |
| tree | 0fbca980303c232d16d4c5e497733ca6ff9c94ae /gcc/testsuite/gcc.c-torture | |
| parent | f41e0f10464c060e928927c5272a360c31a48093 (diff) | |
| download | gcc-cb6b911a63724d5efd5b48b9ae0dac09c3060e85.zip gcc-cb6b911a63724d5efd5b48b9ae0dac09c3060e85.tar.gz gcc-cb6b911a63724d5efd5b48b9ae0dac09c3060e85.tar.bz2 | |
re PR tree-optimization/42956 (internal compiler error: Segmentation fault with -O1)
2010-02-07 Richard Guenther <rguenther@suse.de>
PR middle-end/42956
* gimplify.c (gimple_fold_indirect_ref): Avoid generating
new ARRAY_REFs on variable size element or minimal index arrays.
Complete.
* tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
gimple_fold_indirect_ref.
* gcc.c-torture/compile/pr42956.c: New testcase.
From-SVN: r156571
Diffstat (limited to 'gcc/testsuite/gcc.c-torture')
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/pr42956.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr42956.c b/gcc/testsuite/gcc.c-torture/compile/pr42956.c new file mode 100644 index 0000000..f592d4b --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr42956.c @@ -0,0 +1,33 @@ +typedef const int cint; +typedef struct { +} Bounds; +int ndim_, ncomp_, selectedcomp_, nregions_; +void *voidregion_; +typedef struct { + double diff, err, spread; +} Errors; +typedef const Errors cErrors; +void Split(int iregion, int depth, int xregion) +{ + typedef struct { + double avg, err, spread, chisq; + double xmin[ndim_], xmax[ndim_]; + } Result; + typedef struct region { + Result result[ncomp_]; + } Region; + Errors errors[ncomp_]; + int comp, ireg, xreg; + for( ireg = iregion, xreg = xregion; ireg < nregions_; ireg = xreg++ ) + { + Result *result = ((Region *)voidregion_)[ireg].result; + for( comp = 0; comp < ncomp_; ++comp ) + { + Result *r = &result[comp]; + cErrors *e = &errors[comp]; + double c = e->diff; + if( r->err > 0 ) r->err = r->err*e->err + c; + } + } +} + |