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| author | Zdenek Dvorak <dvorakz@suse.cz> | 2005-02-25 13:07:11 +0100 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2005-02-25 12:07:11 +0000 |
| commit | 9e7376e5952775dca8267df699af56fb53e69739 (patch) | |
| tree | f8ee603bfd3418fc02fdb4850b03ae8255571708 /gcc | |
| parent | bd182be84e9c8ae8485ac7c392fa0b6678969e3c (diff) | |
| download | gcc-9e7376e5952775dca8267df699af56fb53e69739.zip gcc-9e7376e5952775dca8267df699af56fb53e69739.tar.gz gcc-9e7376e5952775dca8267df699af56fb53e69739.tar.bz2 | |
re PR tree-optimization/19937 (Wrong loop exit (causes binutils to fail))
PR tree-optimization/19937
* tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
to the type of the induction variable.
From-SVN: r95535
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-loop-ivopts.c | 8 |
2 files changed, 11 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a41808c..ef164be 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2005-02-25 Zdenek Dvorak <dvorakz@suse.cz> + + PR tree-optimization/19937 + * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value + to the type of the induction variable. + 2005-02-25 Kaz Kojima <kkojima@gcc.gnu.org> PR rtl-optimization/20117 diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c index 8b069d0..b1636a7 100644 --- a/gcc/tree-ssa-loop-ivopts.c +++ b/gcc/tree-ssa-loop-ivopts.c @@ -4878,15 +4878,17 @@ rewrite_use_compare (struct ivopts_data *data, if (may_eliminate_iv (data, use, cand, &compare, &bound)) { + tree var = var_at_stmt (data->current_loop, cand, use->stmt); + tree var_type = TREE_TYPE (var); + + bound = fold_convert (var_type, bound); op = force_gimple_operand (unshare_expr (bound), &stmts, true, NULL_TREE); if (stmts) bsi_insert_before (&bsi, stmts, BSI_SAME_STMT); - *use->op_p = build2 (compare, boolean_type_node, - var_at_stmt (data->current_loop, - cand, use->stmt), op); + *use->op_p = build2 (compare, boolean_type_node, var, op); modify_stmt (use->stmt); return; } |