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gimplify.c (gimplify_expr): Drop TREE_OVERFLOW from INTEGER_CSTs. 

* gimplify.c (gimplify_expr): Drop TREE_OVERFLOW from
	INTEGER_CSTs.

From-SVN: r141251
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Jakub Jelinek 2008-10-21 00:57:27 +02:00 committed by Jakub Jelinek
parent 15d5fe337e
commit 8df67f4fe5
2 changed files with 15 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2008-10-21 Jakub Jelinek <jakub@redhat.com>
* gimplify.c (gimplify_expr): Drop TREE_OVERFLOW from
INTEGER_CSTs.
2008-10-20 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-pre.c (insert_into_preds_of_block): Don't rewrite constant

10
gcc/gimplify.c
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@ -6441,6 +6441,16 @@ gimplify_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p,
/* Constants need not be gimplified. */
case INTEGER_CST:
/* Don't preserve TREE_OVERFLOW flags, it only inhibits
many optimizations and FEs should have taken care of
reporting all the required diagnostics. */
if (TREE_OVERFLOW (*expr_p))
*expr_p = build_int_cst_wide (TREE_TYPE (*expr_p),
TREE_INT_CST_LOW (*expr_p),
TREE_INT_CST_HIGH (*expr_p));
ret = GS_ALL_DONE;
break;
case REAL_CST:
case FIXED_CST:
case STRING_CST: