fold-const.c (fold_unary): Optimize away a VIEW_CONVERT_EXPR to the same type as it's operand.
* fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a VIEW_CONVERT_EXPR to the same type as it's operand. From-SVN: r120945
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2007-01-18 Roger Sayle <roger@eyesopen.com>
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* fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
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VIEW_CONVERT_EXPR to the same type as it's operand.
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2007-01-18 David Edelsohn <edelsohn@gnu.org>
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2007-01-18 David Edelsohn <edelsohn@gnu.org>
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* config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
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* config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
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@ -7573,6 +7573,8 @@ fold_unary (enum tree_code code, tree type, tree op0)
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return tem ? tem : NULL_TREE;
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return tem ? tem : NULL_TREE;
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case VIEW_CONVERT_EXPR:
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case VIEW_CONVERT_EXPR:
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if (TREE_TYPE (op0) == type)
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return op0;
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if (TREE_CODE (op0) == VIEW_CONVERT_EXPR)
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if (TREE_CODE (op0) == VIEW_CONVERT_EXPR)
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return fold_build1 (VIEW_CONVERT_EXPR, type, TREE_OPERAND (op0, 0));
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return fold_build1 (VIEW_CONVERT_EXPR, type, TREE_OPERAND (op0, 0));
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return fold_view_convert_expr (type, op0);
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return fold_view_convert_expr (type, op0);
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