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| author | Kazu Hirata <kazu@codesourcery.com> | 2009-01-28 18:16:57 +0000 |
|---|---|---|
| committer | Kazu Hirata <kazu@gcc.gnu.org> | 2009-01-28 18:16:57 +0000 |
| commit | 59dc48988aab8274b90dfd4e0e9ebbb7dd2e7007 (patch) | |
| tree | 020e113c14ad11d3ee75393bd400d5e267b929a2 /gcc/tree-loop-distribution.c | |
| parent | 07da44aba4702478a25e8483fd8455360aba760c (diff) | |
| download | gcc-59dc48988aab8274b90dfd4e0e9ebbb7dd2e7007.zip gcc-59dc48988aab8274b90dfd4e0e9ebbb7dd2e7007.tar.gz gcc-59dc48988aab8274b90dfd4e0e9ebbb7dd2e7007.tar.bz2 | |
re PR tree-optimization/38997 (-ftree-loop-distribution ICEs)
gcc/
PR tree-optimization/38997
* tree-loop-distribution.c (generate_memset_zero): Use
POINTER_PLUS_EXPR for a pointer addition.
gcc/testsuite/
PR tree-optimization/38997
* gcc.dg/tree-ssa/pr38997.c: New.
From-SVN: r143739
Diffstat (limited to 'gcc/tree-loop-distribution.c')
| -rw-r--r-- | gcc/tree-loop-distribution.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/gcc/tree-loop-distribution.c b/gcc/tree-loop-distribution.c index 745957fc..1463bee 100644 --- a/gcc/tree-loop-distribution.c +++ b/gcc/tree-loop-distribution.c @@ -256,10 +256,15 @@ generate_memset_zero (gimple stmt, tree op0, tree nb_iter, /* Test for a positive stride, iterating over every element. */ if (integer_zerop (fold_build2 (MINUS_EXPR, integer_type_node, DR_STEP (dr), TYPE_SIZE_UNIT (TREE_TYPE (op0))))) - addr_base = fold_build2 (PLUS_EXPR, TREE_TYPE (DR_BASE_ADDRESS (dr)), - DR_BASE_ADDRESS (dr), - size_binop (PLUS_EXPR, - DR_OFFSET (dr), DR_INIT (dr))); + { + tree offset = fold_convert (sizetype, + size_binop (PLUS_EXPR, + DR_OFFSET (dr), + DR_INIT (dr))); + addr_base = fold_build2 (POINTER_PLUS_EXPR, + TREE_TYPE (DR_BASE_ADDRESS (dr)), + DR_BASE_ADDRESS (dr), offset); + } /* Test for a negative stride, iterating over every element. */ else if (integer_zerop (fold_build2 (PLUS_EXPR, integer_type_node, |